188 research outputs found
Search for CP Violation in the Decay Z -> b (b bar) g
- Author
- Abbaneo D
- Abt I
- Ajaltouni Ziad J
- Alemany R
- Aleppo M
- Antonelli A
- Apollonio M
- Armstrong S R
- Assmann R W
- Aubert Jean-Jacques
- Azzurri P
- Bagliesi G
- Barrès A
- Batignani G
- Bauer C
- Bazarko A O
- Becker U
- Bencheikh A M
- Benchouk C
- Bencivenni G
- Bettarini S
- Betteridge A P
- Beuselinck R
- Binnie David M
- Black S N
- Blair G A
- Bloch-Devaux B
- Blondel A
- Blum Walter
- Bologna G
- Bonissent A
- Bonneaud G R
- Bonvicini G
- Booth C N
- Bosisio L
- Bossi F
- Boswell R
- Botterill David R
- Boucrot J
- Bourdon P
- Bowdery C K
- Boyer C
- Bozzi C
- Brandt S
- Brew C A J
- Brient J C
- Bryant L M
- Bujosa G
- Böhrer A
- Büscher V
- Calderini G
- Callot O
- Calvet D
- Cameron W
- Campana P
- Candlin D J
- Capon G
- Carpinelli M
- Carr J
- Cartwright S L
- Casado M P
- Casper David William
- Cattaneo M
- Cerutti F
- Chambers J T
- Chiarella V
- Chmeissani M
- Choi Y
- Ciocci M A
- Ciulli V
- Clifft R W
- Colaleo A
- Colas P
- Colrain P
- Comas P
- Combley F
- Corden M
- Cordier A
- Cowan G D
- Coyle P
- Crawford G
- Creanza D
- Crespo J M
- Curtis L
- Dann J H
- Davier M
- De Bonis I
- De Palma M
- Delfino M C
- Dell'Orso R
- Della Marina R
- Dhamotharan S
- Diaconu C A
- Dietl H
- Dissertori G
- Dornan Peter J
- Dorris S J
- Drevermann H
- Duflot L
- Dydak Friedrich
- Décamp D
- Edgecock T R
- Efthymiopoulos I
- Elmer P
- Emery S
- Etienne F
- Falvard A
- Fantechi R
- Fearnley Tom
- Felici G
- Feng Z
- Ferguson D P S
- Fernández E
- Fernández-Bosman M
- Ferrante I
- Finch A J
- Focardi E
- Forti F
- Forty Roger W
- Foster F
- Foà L
- Frank M
- Galla A
- Ganis G
- Gao Y
- Gao Y S
- Garrido L
- Gay P
- Gelao G
- Georgiopoulos C H
- Geweniger C
- Ghez P
- Giannini G
- Giassi A
- Giehl I
- Giorgi M A
- Girone M
- Girtler P
- Gobbo B
- González S
- Gotzhein C
- Goy C
- Graefe G
- Grahl J
- Green M G
- Greene A M
- Greening T C
- Gregorio A
- Grivaz J F
- Grupen Claus
- Guicheney C
- Hagelberg R
- Halley A W
- Hanke P
- Hansen J B
- Hansen J D
- Hansen J R
- Hansen P H
- Hansper G
- Harvey J
- Hayes O J
- Haywood S
- Henrard P
- Hepp V
- Heusse P
- Hu H
- Huang X
- Hughes G
- Höcker A
- Iaselli Giuseppe
- Jacquet M
- Jaffe D E
- Jakobs K
- Janot P
- Johnson R P
- Jost B
- Jousset J
- Juste A
- Kim D W
- Kim H Y
- Kleinknecht K
- Kluge E E
- Kneringer E
- Knobloch J
- Knowles I G
- Konstantinidis N P
- Kozanecki Witold
- Kroha H
- Kuhn D
- Kyriakis A
- Köksal A
- Lançon E
- Laurelli P
- Le Diberder F R
- Lees J P
- Lefrançois J
- Lehraus Ivan
- Lehto M H
- Lemaire M C
- Ligabue F
- Lin J
- Litke A M
- Locci E
- Lucotte A
- Lusiani A
- Lutters G
- Lutz A M
- Lutz Gerhard
- Lynch J G
- Lütjens G
- Maggi G
- Maggi M
- Maley P
- Mannocchi G
- Marinelli N
- Markou C
- Marrocchesi P S
- Martin E B
- Martínez M
- Marx B
- Mato P
- McNamara P A
- McNeil M A
- Medcalf T
- Messineo A
- Michel B
- Minard M N
- Minguet-Rodríguez J A
- Minten Adolf G
- Miquel R
- Mir L M
- Moneta L
- Monteil S
- Montret J C
- Moser H G
- Moutoussi A
- Murtas F
- Murtas G P
- Musolino G
- Männer W
- Nachtman J M
- Nash J
- Newton W M
- Nief J Y
- Nikolic I A
- Nilsson B S
- Norton P R
- Nuzzo S
- O'Shea V
- Odier P
- Oest T
- Orejudos W
- Orteu S
- Ouyang Q
- Pacheco A
- Padilla C
- Palla Fabrizio
- Pallin D
- Pan Y B
- Park H J
- Park I C
- Parrini G
- Parsons M I
- Pascual A
- Passalacqua L
- Payre P
- Pepé-Altarelli M
- Perlas J A
- Perret P
- Perrodo P
- Pietrzyk B
- Podlyski F
- Proriol J
- Pusztaszeri J F
- Putzer A
- Pérez P
- Quast G
- Ragusa F
- Raine C
- Rander J
- Ranieri A
- Ranjard F
- Raso G
- Reeve J
- Reeves P
- Renardy J F
- Renk B
- Rensch B
- Rensing P E
- Richter R H
- Riu I
- Rivera F
- Rizzo G
- Rohne E
- Rolandi Luigi
- Rosado-Schlosser A
- Rosnet P
- Rossignol J M
- Rothberg J E
- Rougé A
- Roussarie A
- Rousseau D
- Rudolph G
- Ruggieri F
- Rumpf M
- Saadi Y
- Sadouki A
- Saint-Denis R
- Sander H G
- Sanguinetti G
- Saraiva P
- Scarr J M
- Schael S
- Schlatter W D
- Schmelling M
- Schmidt M
- Schmitt M
- Schneider O
- Schuller J P
- Schune M H
- Schwindling J
- Sciabà A
- Scott I J
- Sedgbeer J K
- Selvaggi G
- Settles Ronald
- Seywerd H C J
- Silvestris L
- Simion S
- Simopoulou Errietta
- Siotis I
- Sloan Terence
- Smith K
- Smolik L
- Sommer J
- Spagnolo P
- Stacey A M
- Steinberger Jack
- Stenzel H
- Stephan F
- Strong J A
- Sánchez F
- Talby M
- Taylor G
- Teixeira-Dias P
- Tejessy W
- Tempesta P
- Tenchini Roberto
- Teubert F
- Thompson A S
- Thompson J C
- Thompson L F
- Thomson F
- Thorn S
- Thulasidas M
- Tittel K
- Tomalin I R
- Tonelli G
- Trabelsi A
- Trabelsi K
- Turnbull R M
- Valassi Andrea
- Vallage B
- Van Gemmeren P
- Vannini C
- Vayaki Anna
- Veillet J J
- Venturi A
- Verderi M
- Verdini P G
- Videau H L
- Videau I
- Von Wimmersperg-Töller J H
- Wachsmuth H W
- Wagner A
- Walsh A M
- Walsh J
- Wang T
- Wasserbaech S R
- Werner S
- Wiedenmann W
- Williams M D
- Williams M I
- Wolf G
- Wright A E
- Wu Sau Lan
- Wu X
- Wunsch M
- Wunsch Martin
- Wäänänen A
- Xie Y
- Xu R
- Xue S
- Yamartino J M
- Zachariadou K
- Zeitnitz C
- Zerwas D
- Zhang J
- Zhang L
- Zhao W
- Zheng M
- Zito G
- Zobernig G
- Publication venue
- 'Elsevier BV'
- Publication date
- 23/05/1996
- Field of study
About three million hadronic decays of the Z collected by ALEPH in the years
1991-1994 are used to search for anomalous CP violation beyond the Standard
Model in the decay Z -> b \bar{b} g. The study is performed by analyzing
angular correlations between the two quarks and the gluon in three-jet events
and by measuring the differential two-jet rate. No signal of CP violation is
found. For the combinations of anomalous CP violating couplings, h^b=h^AbgVb−h^VbgAb and hb∗=h^Vb2+h^Ab2, limits of \hat{h}_b < 0.59andh^{\ast}_{b} < 3.02$ are given at 95\% CL.Comment: 8 pages, 1 postscript figure, uses here.sty, epsfig.st
Performance of the CMS Cathode Strip Chambers with Cosmic Rays
- Author
- Abadjiev K
- Abbaneo D
- Abbiendi G
- Abbrescia M
- Abdullin S
- Abelev B
- Acosta D
- Acosta JG
- Acosta MV
- Actis O
- Adam N
- Adam W
- Adams MR
- Adams T
- Adiguzel A
- Adler V
- Adolphi R
- Adzic P
- Afaq MA
- Agostino L
- Agram JL
- Aguilar-Benitez M
- Ahmad M
- Ahmad WH
- Ahmed I
- Ahmed W
- Ahuja S
- Aisa D
- Aisa S
- Akchurin N
- Akgun B
- Akgun U
- Akimenko S
- Akin IV
- Alagoz E
- Alampi G
- Albajar C
- Albayrak EA
- Alberdi J
- Albergo S
- Albert E
- Albrow M
- Alexander J
- Alidra M
- Aliev T
- Allfrey P
- Almeida N
- Altenhofer G
- Altsybeev I
- Alver B
- Alverson G
- Alves GA
- Amaglobeli N
- Amapane N
- Ambroglini F
- Amsler C
- Anagnostou G
- Ananthan B
- Anastassov A
- Andelin D
- Anderson M
- Andrea J
- Andreev V
- Andreev Y
- Anghel IM
- Anguelov T
- Anh T. Vu
- Anisimov A
- Antillon E
- Antipov P
- Antonelli L
- Anttila E
- Antunes JR
- Antunovic Z
- Apanasevich L
- Apollinari G
- Apresyan A
- Arce P
- Arcidiacono R
- Arenton MW
- Arfaei H
- Argiro S
- Arisaka K
- Arneodo M
- Arnold B
- Arora S
- Artamonov A
- Asaadi J
- Asghar MI
- Ashby S
- Askew A
- Atac M
- Atramentov O
- Auffray E
- Aurisano A
- Autermann C
- Avery P
- Avetisyan A
- Avila C
- Awan MIM
- Ayan AS
- Ayhan A
- Azhgirey I
- Aziz T
- Azzi P
- Azzurri P
- Baarmand MM
- Babb J
- Babucci E
- Baccaro S
- Bacchetta N
- Bacchi W
- Bachtis M
- Baden D
- Badgett W
- Baechler J
- Baer H
- Baesso P
- Baffioni S
- Bagby L
- Bagliesi G
- Bahk SY
- Bailleux D
- Baillon P
- Bainbridge R
- Bakhshiansohi H
- Bakirci MN
- Bakken JA
- Balazs M
- Baldin B
- Ball G
- Ball H
- Ballin J
- Bally SL
- Ban Y
- Bandurin D
- Banerjee S
- Banerjee S
- Banicz K
- Bansal S
- Banzuzi K
- Barashko V
- Barbagli G
- Barberis E
- Barbone L
- Barcala JM
- Barcellan L
- Bard R
- Bargassa P
- Baringer P
- Barnes VE
- Barnett BA
- Barney D
- Barone L
- Bartalini P
- Bartoloni A
- Bartz E
- Basegmez S
- Battilana C
- Baty C
- Baud A
- Bauer G
- Bauer J
- Bauerdick LAT
- Baur U
- Bawa HS
- Bazterra VE
- Bean A
- Beauceron S
- Beaudette F
- Beaumont W
- Bechtel F
- Bedjidian M
- Bedoya CF
- Beetz CP
- Behrens U
- Bejar JC
- Belforte S
- Beliy N
- Bell KW
- Bellan P
- Bellan R
- Bellato M
- Bellinger JN
- Belotelov I
- Benaglia A
- Bencze G
- Bendavid J
- Bender W
- Benedetti D
- Benelli G
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- Benvenuti AC
- Berengueres JOL
- Beretvas A
- Bergauer H
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- Bernet C
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- Berry E
- Berryhill J
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- Berzano U
- Besancon M
- Besson A
- Betchart B
- Betev B
- Betts RR
- Beuselinck R
- Bhat PC
- Bhatnagar V
- Bhattacharya S
- Bhattacharya S
- Bhatti A
- Biallass P
- Bianchini L
- Bianco S
- Biasini M
- Biasotto M
- Biery K
- Biino C
- Bilei GM
- Bilki B
- Bilmis S
- Binkley M
- Bisello D
- Bitioukov S
- Blaha J
- Blekman F
- Bloch D
- Bloch I
- Bloch P
- Bloom K
- Bluj M
- Blum P
- Blumenfeld B
- Blyweert S
- Boccali T
- Bocci A
- Bockelman B
- Bodek A
- Bodin D
- Boeriu O
- Boldini M
- Boldizsar L
- Bolla G
- Bolognesi S
- Bolton T
- Bona M
- Bonacorsi D
- Bonato A
- Bondar N
- Bontenackels M
- Boos E
- Borcherding F
- Borgia MA
- Bornheim A
- Borras K
- Borrello L
- Borsato E
- Bortoletto D
- Bos J
- Bose M
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- Bosi F
- Bostock F
- Botta C
- Boudoul G
- Bouhali O
- Bourgeois N
- Bourilkov D
- Bourrel T
- Boutemeur M
- Boutle S
- Braibant-Giacomelli S
- Branca A
- Branson JG
- Brauer R
- Braunschweig W
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- Breuker H
- Brew C
- Bricola S
- Briggs R
- Brigljevic V
- Broccolo G
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- Buchmuller O
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- Buehler M
- Bunin P
- Bunkowski K
- Bunn J
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- Busson P
- Busza W
- Butler JN
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- Caballero IG
- Cabrillo IJ
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- Cai J
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- Cakir I. Turk
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- Calvo E
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- Cano E
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- Caponeri B
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- Chen WT
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- Cheng TL
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- Cheung HWK
- Chien CY
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- Chiochia V
- Chiorboli M
- Chipaux R
- Chiumarulo F
- Chlebana F
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- Choudhary BC
- Choudhury RK
- Christian G
- Christiansen T
- Chtchipounov L
- Chuang SH
- Chung J
- Chung K
- Chung YS
- Churin I
- Chwalek T
- Cihangir S
- Cimmino A
- Cirino G
- Cittolin S
- Ciulli V
- Civinini C
- Claes DR
- Clare R
- Clarida W
- Clemente A
- Clemente F
- Clerbaux B
- Cline D
- Cockerill DJA
- Codispoti G
- Colafranceschi S
- Colaleo A
- Cole JE
- Colino N
- Colling D
- Colonna D
- Conetti S
- Contardo D
- Conte E
- Conti E
- Conway J
- Cooper SI
- Cordonnier AM
- Cortabitarte RV
- Cossutti F
- Costa M
- Costa S
- Coughlan JA
- Cousins R
- Covarelli R
- Cox B
- Cox PT
- Crawford M
- Creanza D
- Cremaldi LM
- Cripps N
- Crotty I
- Cuevas J
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- Cumalat JP
- Cuplov V
- Cure B
- Cuscela G
- Cushman P
- Cussans D
- Cutts D
- Cwiok M
- Czellar S
- D'Alessandro R
- D'Alfonso M
- D'Angelo P
- D'Antone I
- D'Enterria D
- D'Hondt J
- Dabrowski R
- Dafinei I
- Dagenhart W
- Dahmes B
- Dal Corso F
- Dallavalle GM
- Dambach S
- Damgov J
- Damiao DD
- Dammann D
- Daniel M
- Danielson T
- Darmenov N
- Das S
- Daskalakis G
- Dasu S
- Dattola D
- Daubie E
- David A
- Davids M
- Davies G
- de Abril IM
- de Abril MM
- de Barbaro P
- De Benedetti A
- De Boer W
- de Cassagnac RG
- de Fatis TT
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- De Gruttola M
- De Guio F
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- de Monchenault GH
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- De Weirdt S
- De Wolf EA
- Debbins P
- Debreczeni G
- Deiters K
- Dejardin M
- Del Alamo MB
- del Arbol PMR
- Del Re D
- Delachenal V
- Delaere C
- Deliomeroglu M
- Dell'Orso R
- Della Negra M
- Della Ricca G
- Dellacasa G
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- Demarteau M
- Demin P
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- Denegri D
- Denisov A
- Deniz M
- Depasse P
- Dermenev A
- Dero V
- Derylo G
- Descamps J
- Devroede O
- Deyrail D
- Dharmaratna WGD
- Di Calafiori DRDS
- Di Giovanni GP
- Di Marco E
- Di Vincenzo S
- Dias MAF
- Diemoz M
- Dierlamm A
- Dimitrov A
- Dimitrov L
- Dinardo ME
- Dinu N
- Dirkes G
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- Dittmar M
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- Djordjevic M
- Do Amaral SMS
- Dobrzynski L
- Dobur D
- Dolen J
- Dolgopolov A
- Dominguez A
- Dominik W
- Donckt MV
- Donvito G
- Dorigo T
- Doroba K
- Dos Santos S
- Dosselli U
- Draeger J
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- Dubinin M
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- Dumanoglu I
- Dumitrache F
- Dupasquier T
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- Dutta D
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- Dvornikov O
- Dykstra D
- Dyulendarova M
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- Eartly DP
- Eckerlin G
- Ecklund KM
- Eckstein D
- Edelhoff M
- Edera LM
- Efron J
- Egeland R
- Eggel C
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- El Mamouni H
- Elgammal S
- Elias JE
- Elliott-Peisert A
- Ellison JA
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- Elvira VD
- Emeliantchik I
- Engh D
- Eno SC
- Eppard M
- Epshteyn V
- Erbacher R
- Erdmann M
- Erdmann W
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- Ershov Y
- Esen S
- Eskut E
- Esser H
- Eugster J
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- Eusebi R
- Evangelou I
- Evans D
- Evans D
- Everaerts P
- Everett A
- Fabbri F
- Fabbri F
- Fabbricatore P
- Fabbro B
- Faber G
- Fabozzi F
- Faccioli P
- Fahim A
- Fanfani A
- Fano L
- Fanzago F
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- Fasanella D
- Fassi F
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- Filozova I
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- Frueboes T
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- Garmash A
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- Gecse Z
- Geddes NI
- Geenen H
- Geiser A
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- Wulz CE
- Wurthwein F
- Wynne B. M.
- Wyslouch B
- Xaplanteris L.
- Xella S.
- Xie S
- Xie S.
- Xie Z
- Xu D.
- Xu N.
- Xue Z
- Yagil A
- Yamada M.
- Yamamoto A
- Yan M
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- Yang ZC
- Yarba J
- Yaselli I
- Yazgan E
- Yelton J
- Yetkin T
- Yi K
- Yilmaz Y
- Yohay R
- Yoo HD
- Yoon AS
- York A
- Yumiceva F
- Yun JC
- Yuste C
- Zabi A
- Zabolotny W
- Zachariadou A
- Zalewski P
- Zampieri A
- Zanetti M
- Zang SL
- Zarubin A
- Zatzerklyany A
- Zeidler C
- Zeinali M
- Zeise M
- Zelepoukine S
- Zeuner WD
- Zeyrek M
- Zhang J
- Zhang L
- Zhang Y
- Zhang Z
- Zheng Y
- Zhiltsov V
- Zhokin A
- Zhu B
- Zhu K
- Zhu RY
- Zhukov V
- Zhukova V
- Ziebarth EB
- Zielinski M
- Zilizi G
- Zinonos Z
- Zito G
- Zoeller MH
- Zotto P
- Zub S
- Zumerle G
- Zuranski A
- Zuyeuski R
- Zych P
- Publication venue
- 'IOP Publishing'
- Publication date
- 01/01/2009
- Field of study
The Cathode Strip Chambers (CSCs) constitute the primary muon tracking device
in the CMS endcaps. Their performance has been evaluated using data taken
during a cosmic ray run in fall 2008. Measured noise levels are low, with the
number of noisy channels well below 1%. Coordinate resolution was measured for
all types of chambers, and fall in the range 47 microns to 243 microns. The
efficiencies for local charged track triggers, for hit and for segments
reconstruction were measured, and are above 99%. The timing resolution per
layer is approximately 5 ns
Measurement of the W-pair cross section in e+e− collisions at 172 GeV
- Author
- Abbaneo D.
- Affholderbach K.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Antonelli M.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
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- Barate R.
- Barres A.
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- Berlich R.
- Bettarini S.
- Betteridge A P.
- Beuselinck R.
- Binnie D M.
- Black S N.
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- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Booth C N.
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- Bossi F.
- Boswell R.
- Botterill D R.
- Boucrot J.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
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- Buskulic D.
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- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cavanaugh R.
- Cerutti F.
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- Charles E.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- DePalma M.
- Dhamotharan S.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorris S J.
- Drevermann H.
- Duflot L.
- Ealet A.
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- Elmer P.
- Fabbro B.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Ferdi C.
- Ferguson D PS.
- Fernandez E.
- Fernandez-Bosman M.
- Ferrante I.
- Finch A J.
- Focardi E.
- Forty R W.
- Foss J.
- Foster F.
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- Frank M.
- Ganis G.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghete V M.
- Ghez P.
- Giannini G.
- Giassi A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzalez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Green M G.
- Greening T C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley A W.
- Hanke P.
- Hansen J B.
- Hansen J D.
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- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse P.
- Hoffmann C.
- Hu H.
- Huang X.
- Huehn T.
- Hughes G.
- Hvcker A.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Jin S.
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- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
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- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles IG.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
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- Kyriakis A.
- Langon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
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- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke A M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz A M.
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- Lynch J G.
- Machefert F.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- Marrocchesi P S.
- Martin E B.
- Martinez M.
- Mato P.
- McNamara P A.
- McNeil M A.
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- Medcalf T.
- Merino G.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Morawitz P.
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- Motsch F.
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- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nielsen J.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Orejudos W.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan Y B.
- Park I C.
- Parrini G.
- Pascual A.
- Passalacqua L.
- Payre P.
- Pepi-Altarelli M.
- Perlas JA.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Pirez P.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putz J.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Richter R H.
- Riu I.
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- Rolandi L.
- Rosado-Schlosser A.
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- Rosowsky A.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
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- Rumpf M.
- Saadi Y.
- Sadouki A.
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- Sander H G.
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- Saraiva P.
- Scarr J M.
- Schael S.
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- Silvestris L.
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- Sloan T.
- Smith K.
- Smolik L.
- Spagnolo P.
- Stacey A M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson A S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tilquin A.
- Tittel K.
- Tomalin I R.
- Tournefier E.
- Trabelsi Karim
- Tricomi A.
- TurnbullR M.
- Valassi A.
- Vallage B.
- Van Gemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini P G.
- Videau H.
- Videau I.
- VonWimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Ward J.
- Wasserbaech S.
- Wddndnen A.
- Werner S.
- Whelan E P.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Williams R W.
- Wolf G.
- Wright A E.
- Wu S L.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zito G.
- Zobernig G.
- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/1997
- Field of study
The e+e- --> W+W- cross section is measured in a data sample collected by ALEPH at a mean centre--of--mass energy of 172.09 GEV, corresponding to an integrated luminosity of 10.65 pb-1. Cross sections are given for the three topologies, fully leptonic, semi-leptonic and hadronic of a W-pair decay. Under the assumption that no other decay modes are present, the W-pair cross section is measured to be 11.7 +- 1.2 (stat.) +- 0.3 (syst.) pb. The existence of the triple gauge boson vertex of the Standard Model is clearly preferred by the data. The decay branching ratio of the W boson into hadrons is measured to be B(W --> hadrons) = 67.7 +- 3.1 (stat.) +- 0.7 (syst.)%, allowing a determination of the CKM matrix element |Vcs|= 0.98 +- 0.14 (stat.) +- 0.03 (syst.)
Measurement of the W mass in e+e− collisions at production threshold
- Author
- Abbaneo D.
- Affholderbach K.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Batignani G.
- Bazarko a O.
- Becker U.
- Benchouk C.
- Bencivenni G.
- Berlich R.
- Bettarini S.
- Betteridge a P.
- Beuselinck R.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Boehrer A.
- Bologna G.
- Bonissent A.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Boucrot J.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C a J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bujosa G.
- Buskulic D.
- Calderini G.
- Callot O.
- Calvet D.
- Cameron W.
- Campana P.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Charles E.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Ciocci M A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- de Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorris S J.
- Drevermann H.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Ferdi C.
- Ferguson D P S.
- Fernandez-Bosman M.
- Ferrante I.
- Finch a J.
- Focardi E.
- Forty R W.
- Foss J.
- Foster F.
- Frank M.
- Ganis G.
- Gao y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Ghete V M.
- Ghez P.
- Giannini G.
- Giassi A.
- Girone M.
- Girtler P.
- Gobbo B.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Green M G.
- Greeningt C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley a W.
- Hanke P.
- Hansen J B.
- Hansen J R.
- Hansen Jd.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse P.
- Hoecker A.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Jin S.
- Jones R W L.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim H Y.
- Kimd W.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Lancon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefrancois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke a M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz a M.
- Lutz G.
- Lynch J G.
- Machefert F.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- Marrocchesip S.
- Martine B.
- Martinez M.
- Mato P.
- Mcnamara P A.
- Mcneil M A.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Morawitz P.
- Moser H G.
- Motsch F.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nielsen J.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan y B.
- Park I C.
- Parrini G.
- Pascual A.
- Passalacqua L.
- Payre P.
- Perez P.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putz J.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Rensch B.
- Rensing P.
- Richter R H.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Roussarie A.
- Rudolph G.
- Ruggieri F.
- Rumpf M.
- Saadi Y.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- Seywerd H C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey a M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson a S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tilquin A.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Tournefier E.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- Vallage B.
- van Gemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini Pg.
- Videau H.
- Videau I.
- von Wimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Werner S.
- Whelan E P.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Williams R W.
- Wolf G.
- Wright a E.
- Wu Sl.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zito G.
- Zobernig G.
- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/1997
- Field of study
In June 1996, the LEP centre-of-mass energy was raised to 161 GeV. Pair production of W bosons in e+e- collisions was observed for the first time by the LEP experiments. An integrated luminosity of 11 pb-1 was recorded in the ALEPH detector, in which WW candidate events were observed. In 6 events both Ws decay leptonically. In 16 events, one W decays leptonically, the other into hadrons. In the channel where both Ws decay into hadrons, a signal was separated from the large background by means of several multi-variate analyses. The W pair cross-section is measured to be sigma_WW = 4.23 +-0.73 (stat.) +- 0.19 (syst.) pb From this cross-section, the W mass is derived within the framework of the Standard Model: MW = 80.14 +- 0.34 (stat.) +- 0.09 (syst.) +- 0.03 (LEP~energy) GeV/c2
Measurement of the tau lepton lifetime with the three-dimensional impact parameter method.
- Author
- Abbaneo D.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Barres A.
- Batignani G.
- Bazarko a O.
- Becker U.
- Benchouk C.
- Berlich R.
- Bettarini S.
- Betteridge a P.
- Beuselinck R.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Bonneaud G.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Bourdon P.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C a J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bujosa G.
- Buskulic D.
- Bvhrer A.
- Calderini G.
- Callot O.
- Calvet D.
- Cameron W.
- Campana P.
- Candlin D J.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Choi Y.
- Ciocci M A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- de Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorriss J.
- Drevermann H.
- Duflot L.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Emery S.
- Etienne F.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Feng Z.
- Ferdi C.
- Ferguson D Ps.
- Fernandez E.
- Fernandez-Bosman M.
- Ferrante I.
- Finch a J.
- Focardi E.
- Forti F.
- Forty Rw.
- Foster F.
- Frank M.
- Galla A.
- Ganis G.
- Gao y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghez P.
- Giannini G.
- Giehl I.
- Giorgi M A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzalez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Grahl J.
- Green M G.
- Greene a M.
- Greening T C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley a W.
- Hanke P.
- Hansen J B.
- Hansen J D.
- Hansen J R.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse A.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Hvcker A.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Johnson R P.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
- Kim H Y.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Langon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefrangois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke a M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz a M.
- Lutz G.
- Lynch J G.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- Marrocchesip S.
- Martin E B.
- Mato P.
- Mcnamara P A.
- Mcneil M A.
- Mdnner W.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Moser H G.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Odier P.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan y B.
- Park H J.
- Park I C.
- Parrini G.
- Parsons M I.
- Passalacqua L.
- Payre P.
- Pepi-Altarelli M.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Pirez P.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Rensing P.
- Richter R.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
- Ruggieri F.
- Rumpf M.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmelling M.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- Seywerdh C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Siotis I.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey a M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson a S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- Vangemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini P G.
- Videau H.
- Videau I.
- Vonwimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Wddndnen A.
- Werner S.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Wolf G.
- Wright a E.
- Wu S L.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zheng M.
- Zito G.
- Zobernig G.
- Publication venue
- Springer Verlag
- Publication date
- 01/01/1997
- Field of study
A new method is presented for the measurement of the mean τ lepton lifetime using events in which τ's are pair-produced and both τ's decay to hadrons and ντ. Based on the correlation between the two τ's produced at a symmetric e+e− collider, the 3DIP method relies on the three-dimensional information from a double-sided vertex detector and on kinematic constraints for the precise measurement of the τ decay angles. Using the data collected from 1992 to 1994 with the ALEPH detector at LEP, a τ lifetime of 288.0±3.1±1.3\fs is obtained from the sample in which both τ's decay to one charged track, and 292.8±5.6±3.0\fs from the sample in which one τ decays to one prong and the other to three prongs. The results show small statistical correlations with those derived from other methods. When combined with the previously published ALEPH measurements, the resulting τ lifetime is 291.2±2.0±1.2\fs
Search for the bc meson in hadronic Z decays
- Author
- Abbaneo D.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Barres A.
- Batignani G.
- Bazarko A O.
- Becker U.
- Benchouk C.
- Bencivenni G.
- Bettarini S.
- Betteridge A P.
- Beuselinck R.
- Bhrer A.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Bonneaud G.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Boucrot J.
- Bourdon P.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C A J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bscher V.
- Bujosa G.
- Buskulic D.
- Calderini G.
- Callot O.
- Calvet D.
- Candlin D J.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Charles E.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Choi Y.
- CiocciM A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann JH.
- Daskalakis G.
- Davier M.
- De Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorris S J.
- Duflot L.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Emery S.
- Etienne F.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Ferdi C.
- Ferguson D P S.
- Fernandez-Bosman M.
- Fernndez E.
- Ferrante I.
- Finch A J.
- Fo L.
- Focardi E.
- Forti F.
- Forty R W.
- Foster F.
- Frank M.
- Galla A.
- Ganis G.
- Gao Y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghez P.
- Giannini G.
- Giassi A.
- Giehl I.
- Giorgi M A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzlez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Green M G.
- Greene A M.
- GreeningT C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley A W.
- Hanke P.
- Hansen J B.
- Hansen J R.
- Hansen JD.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Hcker A.
- Henrard Pierre
- Hepp V.
- Heusse P.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Jin S.
- Johnson R P.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
- Kim H Y.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Lanon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefranois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke A M.
- Locci E.
- Ltjens G.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz A M.
- Lutz G.
- Lynch J G.
- Maggi G.
- Maggi M.
- Maley P.
- Marinelli N.
- Markou C.
- Marrocchesi P S.
- Martin E B.
- Martinez M.
- Mato P.
- McNamara P A.
- McNeil M A.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Mnner W.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Moser H G.
- Motsch F.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nielsen J.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan Y B.
- Park I C.
- Parrini G.
- Parsons M I.
- Pascual A.
- Passalacqua L.
- Payre P.
- Pep-Altarelli M.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Podlyski F.
- Prez P.
- Proriol Joseph
- Pusztaszeri J F.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Rensing P.
- Richter R H.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
- Ruggieri F.
- Saadi Y.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Sciab A.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- Seywerd H C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Siotis I.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey A M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson A S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Tournefier E.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- Vallage B.
- VanGemmeren P.
- Vannini C.
- Veillet J J.
- Verderi M.
- Verdini P G.
- Videau H.
- Videau I.
- VonWimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Werner S.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Wnnen A.
- Wolf G.
- Wright A E.
- Wu SL.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zito G.
- Zobernig G.
- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/1997
- Field of study
A search for the Bc meson decaying into the channels J/psi pi+ and J/psi l nu (l = e or mu) is performed in a sample of 3.9 million hadronic Z decays collected by the ALEPH detector. This search results in the observation of 0 and 2 candidates in each of these channels, respectively, while 0.44 and 0.81 background events are expected. The following 90\% confidence level upper limits are derived: Br(Z->Bc X)/Br(Z->q q )*Br(Bc->J/psi pi+) 3.6 10^-5 Br(Z->Bc X)/Br(Z->q q )*Br(Bc->J/psi l nu) 5.2 10^-5 An additional Bc->J/psi(e+e-) mu nu candidate with very low background probability, found in an independent analysis, is also described in detail
Measurement of the tau lepton lifetime with the three-dimensional impact parameter method.
- Author
- Abbaneo D.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Barres A.
- Batignani G.
- Bazarko A O.
- Becker U.
- Benchouk C.
- Berlich R.
- Bettarini S.
- Betteridge A P.
- Beuselinck R.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Bonneaud G.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Bourdon P.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C A J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bujosa G.
- Buskulic D.
- Bvhrer A.
- Calderini G.
- Callot O.
- Calvet D.
- Cameron W.
- Campana P.
- Candlin D J.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Choi Y.
- Ciocci M A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- De Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- DorrisS J.
- Drevermann H.
- Duflot L.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Emery S.
- Etienne F.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Feng Z.
- Ferdi C.
- Ferguson D PS.
- Fernandez E.
- Fernandez-Bosman M.
- Ferrante I.
- Finch A J.
- Focardi E.
- Forti F.
- Forty RW.
- Foster F.
- Frank M.
- Galla A.
- Ganis G.
- Gao Y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghez P.
- Giannini G.
- Giehl I.
- Giorgi M A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzalez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Grahl J.
- Green M G.
- Greene A M.
- Greening T C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley A W.
- Hanke P.
- Hansen J B.
- Hansen J D.
- Hansen J R.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse A.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Hvcker A.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Johnson R P.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
- Kim H Y.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Langon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefrangois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke A M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz A M.
- Lutz G.
- Lynch J G.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- MarrocchesiP S.
- Martin E B.
- Mato P.
- McNamara P A.
- McNeil M A.
- Mdnner W.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Moser H G.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Odier P.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan Y B.
- Park H J.
- Park I C.
- Parrini G.
- Parsons M I.
- Passalacqua L.
- Payre P.
- Pepi-Altarelli M.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Pirez P.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Rensing P.
- Richter R.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
- Ruggieri F.
- Rumpf M.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmelling M.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- SeywerdH C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Siotis I.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey A M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson A S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- VanGemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini P G.
- Videau H.
- Videau I.
- VonWimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Wddndnen A.
- Werner S.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Wolf G.
- Wright A E.
- Wu S L.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zheng M.
- Zito G.
- Zobernig G.
- Publication venue
- Springer Verlag
- Publication date
- 01/01/1997
- Field of study
A new method is presented for the measurement of the mean τ lepton lifetime using events in which τ's are pair-produced and both τ's decay to hadrons and ντ. Based on the correlation between the two τ's produced at a symmetric e+e− collider, the 3DIP method relies on the three-dimensional information from a double-sided vertex detector and on kinematic constraints for the precise measurement of the τ decay angles. Using the data collected from 1992 to 1994 with the ALEPH detector at LEP, a τ lifetime of 288.0±3.1±1.3\fs is obtained from the sample in which both τ's decay to one charged track, and 292.8±5.6±3.0\fs from the sample in which one τ decays to one prong and the other to three prongs. The results show small statistical correlations with those derived from other methods. When combined with the previously published ALEPH measurements, the resulting τ lifetime is 291.2±2.0±1.2\fs
Measurement of the tau lepton lifetime with the three-dimensional impact parameter method.
- Author
- Abbaneo D.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Barres A.
- Batignani G.
- Bazarko a O.
- Becker U.
- Benchouk C.
- Berlich R.
- Bettarini S.
- Betteridge a P.
- Beuselinck R.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Bonneaud G.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Bourdon P.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C a J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bujosa G.
- Buskulic D.
- Bvhrer A.
- Calderini G.
- Callot O.
- Calvet D.
- Cameron W.
- Campana P.
- Candlin D J.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Choi Y.
- Ciocci M A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- de Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorriss J.
- Drevermann H.
- Duflot L.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Emery S.
- Etienne F.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Feng Z.
- Ferdi C.
- Ferguson D Ps.
- Fernandez E.
- Fernandez-Bosman M.
- Ferrante I.
- Finch a J.
- Focardi E.
- Forti F.
- Forty Rw.
- Foster F.
- Frank M.
- Galla A.
- Ganis G.
- Gao y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghez P.
- Giannini G.
- Giehl I.
- Giorgi M A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzalez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Grahl J.
- Green M G.
- Greene a M.
- Greening T C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley a W.
- Hanke P.
- Hansen J B.
- Hansen J D.
- Hansen J R.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse A.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Hvcker A.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Johnson R P.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
- Kim H Y.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Langon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefrangois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke a M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz a M.
- Lutz G.
- Lynch J G.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- Marrocchesip S.
- Martin E B.
- Mato P.
- Mcnamara P A.
- Mcneil M A.
- Mdnner W.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Moser H G.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Odier P.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan y B.
- Park H J.
- Park I C.
- Parrini G.
- Parsons M I.
- Passalacqua L.
- Payre P.
- Pepi-Altarelli M.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Pirez P.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Rensing P.
- Richter R.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
- Ruggieri F.
- Rumpf M.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmelling M.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- Seywerdh C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Siotis I.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey a M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson a S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- Vangemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini P G.
- Videau H.
- Videau I.
- Vonwimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Wddndnen A.
- Werner S.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Wolf G.
- Wright a E.
- Wu S L.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zheng M.
- Zito G.
- Zobernig G.
- Publication venue
- Springer Verlag
- Publication date
- 01/01/1997
- Field of study
A new method is presented for the measurement of the mean τ lepton lifetime using events in which τ's are pair-produced and both τ's decay to hadrons and ντ. Based on the correlation between the two τ's produced at a symmetric e+e− collider, the 3DIP method relies on the three-dimensional information from a double-sided vertex detector and on kinematic constraints for the precise measurement of the τ decay angles. Using the data collected from 1992 to 1994 with the ALEPH detector at LEP, a τ lifetime of 288.0±3.1±1.3\fs is obtained from the sample in which both τ's decay to one charged track, and 292.8±5.6±3.0\fs from the sample in which one τ decays to one prong and the other to three prongs. The results show small statistical correlations with those derived from other methods. When combined with the previously published ALEPH measurements, the resulting τ lifetime is 291.2±2.0±1.2\fs
Measurement of the tau lepton lifetime with the three-dimensional impact parameter method.
- Author
- Abbaneo D.
- Ajaltouni Ziad,
- Alemany R.
- Aleppo M.
- Antonelli A.
- Apollonio M.
- Armstrong S R.
- Aubert J.J.
- Azzurri P.
- Bagliesi G.
- Barate R.
- Barres A.
- Batignani G.
- Bazarko a O.
- Becker U.
- Benchouk C.
- Berlich R.
- Bettarini S.
- Betteridge a P.
- Beuselinck R.
- Binnie D M.
- Black S N.
- Blair G A.
- Bloch-Devaux B.
- Blondel A.
- Blum W.
- Bologna G.
- Bonissent A.
- Bonneaud G.
- Booth C N.
- Bosisio L.
- Bossi F.
- Boswell R.
- Botterill D R.
- Bourdon P.
- Bowdery C K.
- Boyer Claudine
- Bozzi C.
- Brandt S.
- Brew C a J.
- Brient J C.
- Bright-Thomas P.
- Bryant L M.
- Bujosa G.
- Buskulic D.
- Bvhrer A.
- Calderini G.
- Callot O.
- Calvet D.
- Cameron W.
- Campana P.
- Candlin D J.
- Capon G.
- Carpinelli M.
- Carr J.
- Cartwright S L.
- Casado M P.
- Casper D.
- Cattaneo M.
- Cerutti F.
- Chambers J T.
- Chen S.
- Chiarella V.
- Chmeissani M.
- Choi Y.
- Ciocci M A.
- Ciulli V.
- Clifft R W.
- Colaleo A.
- Colas P.
- Colrain P.
- Comas P.
- Combley F.
- Corden M.
- Cordier A.
- Cowan G.
- Coyle P.
- Crawford G.
- Creanza D.
- Crespo J M.
- Curtis L.
- Dann J H.
- Daskalakis G.
- Davier M.
- de Palma M.
- Decamp D.
- Delfino M.
- Dell'Orso R.
- Della Marina R.
- Diaconu C.
- Dietl H.
- Dissertori G.
- Dornan P J.
- Dorriss J.
- Drevermann H.
- Duflot L.
- Dydak F.
- Edgecock T R.
- Elmer P.
- Emery S.
- Etienne F.
- Falvard Alain
- Fantechi R.
- Fearnley T.
- Felici G.
- Feng Z.
- Ferdi C.
- Ferguson D Ps.
- Fernandez E.
- Fernandez-Bosman M.
- Ferrante I.
- Finch a J.
- Focardi E.
- Forti F.
- Forty Rw.
- Foster F.
- Frank M.
- Galla A.
- Ganis G.
- Gao y S.
- Gao Y.
- Garrido L.
- Gay Pascal
- Gelao G.
- Georgiopoulos C.
- Geweniger C.
- Ghez P.
- Giannini G.
- Giehl I.
- Giorgi M A.
- Girone M.
- Girtler P.
- Gobbo B.
- Gonzalez S.
- Goodsir S.
- Gotzhein C.
- Goy C.
- Graefe G.
- Grahl J.
- Green M G.
- Greene a M.
- Greening T C.
- Gregorio A.
- Grivaz J F.
- Grupen C.
- Guicheney C.
- Hagelberg R.
- Halley a W.
- Hanke P.
- Hansen J B.
- Hansen J D.
- Hansen J R.
- Hansen P H.
- Hansper G.
- Harvey J.
- Hayes O J.
- Haywood S.
- Henrard Pierre
- Hepp V.
- Heusse A.
- Hoffmann C.
- Hu H.
- Huang X.
- Hughes G.
- Hvcker A.
- Iaselli G.
- Jacholkowska A.
- Jacquet M.
- Jaffe D E.
- Jakobs K.
- Janot P.
- Johnson R P.
- Jost B.
- Jousset J.
- Juste A.
- Kelly M S.
- Kim D W.
- Kim H Y.
- Kleinknecht K.
- Kluge E E.
- Kneringer E.
- Knobloch J.
- Knowles I G.
- Konstantinidis N.
- Kozanecki W.
- Kroha H.
- Kuhn D.
- Kyriakis A.
- Langon E.
- Laurelli P.
- Le Diberder F.
- Lees J P.
- Lefrangois J.
- Lehraus I.
- Lehto M H.
- Lemaire M C.
- Leroy O.
- Ligabue F.
- Lin Jiali
- Litke a M.
- Locci E.
- Lucotte A.
- Lusiani A.
- Lutters G.
- Lutz a M.
- Lutz G.
- Lynch J G.
- Maggi G.
- Maggi M.
- Maley P.
- Mannocchi G.
- Marinelli N.
- Markou C.
- Marrocchesip S.
- Martin E B.
- Mato P.
- Mcnamara P A.
- Mcneil M A.
- Mdnner W.
- Medcalf T.
- Messineo A.
- Michel B.
- Minard M N.
- Minten A.
- Miquel R.
- Mir L M.
- Moneta L.
- Monteil S.
- Montret Jean-Claude
- Moser H G.
- Moutoussi A.
- Murtas F.
- Murtas G P.
- Musolino G.
- Nachtman J M.
- Nash J.
- Newton W M.
- Nief J Y.
- Nikolic I.
- Nilsson B S.
- Norton P R.
- Nuzzo S.
- O'Shea V.
- Odier P.
- Orejudos W.
- Orteu S.
- Ouyang Q.
- Pacheco A.
- Padilla C.
- Palla F.
- Pallin D.
- Pan y B.
- Park H J.
- Park I C.
- Parrini G.
- Parsons M I.
- Passalacqua L.
- Payre P.
- Pepi-Altarelli M.
- Perlas J A.
- Perret Pascal
- Perrodo P.
- Pietrzyk B.
- Pirez P.
- Podlyski F.
- Proriol Joseph
- Pusztaszeri J F.
- Putzer A.
- Quast G.
- Ragusa F.
- Raine C.
- Rander J.
- Ranieri A.
- Ranjard F.
- Raso G.
- Reeve J.
- Renardy J F.
- Renk B.
- Rensch B.
- Rensing P.
- Richter R.
- Riu I.
- Rizzo G.
- Rohne E.
- Rolandi L.
- Rosado-Schlosser A.
- Rosnet P.
- Rossignol J.M.
- Rothberg J E.
- Rouge A.
- Roussarie A.
- Rousseau D.
- Rudolph G.
- Ruggieri F.
- Rumpf M.
- Sadouki A.
- Sanchez F.
- Sander H G.
- Sanguinetti G.
- Saraiva P.
- Scarr J M.
- Schael S.
- Schlatter D.
- Schmelling M.
- Schmidt M.
- Schmitt M.
- Schneider O.
- Schuller J P.
- Schune M H.
- Schwindling J.
- Scott I J.
- Sedgbeer J K.
- Selvaggi G.
- Settles R.
- Seywerdh C J.
- Silvestris L.
- Simion S.
- Simopoulou E.
- Siotis I.
- Sloan T.
- Smith K.
- Smolik L.
- Sommer J.
- Spagnolo P.
- Stacey a M.
- Steinberger J.
- Stenzel H.
- Stephan F.
- Strong J A.
- Talby M.
- Taylor G.
- Teixeira-Dias P.
- Tejessy W.
- Tempesta P.
- Tenchini R.
- Teubert F.
- Thompson a S.
- Thompson J C.
- Thompson L F.
- Thomson E.
- Thomson F.
- Thulasidas M.
- Tittel K.
- Tomalin I R.
- Tonelli G.
- Trabelsi A.
- Trabelsi Karim
- Tricomi A.
- Turnbull R M.
- Valassi A.
- Vangemmeren P.
- Vannini C.
- Vayaki A.
- Veillet J J.
- Venturi A.
- Verdini P G.
- Videau H.
- Videau I.
- Vonwimmersperg-Toeller J H.
- Wachsmuth H.
- Wagner A.
- Walsh J.
- Wang T.
- Wasserbaech S.
- Wddndnen A.
- Werner S.
- Wiedenmann W.
- Williams M D.
- Williams M I.
- Wolf G.
- Wright a E.
- Wu S L.
- Wu X.
- Wunsch M.
- Xie Y.
- Xu R.
- Xue S.
- Yamartino J M.
- Zachariadou K.
- Zeitnitz C.
- Zerwas D.
- Zhang J.
- Zhang L.
- Zhao W.
- Zheng M.
- Zito G.
- Zobernig G.
- Publication venue
- Springer Verlag
- Publication date
- 01/01/1997
- Field of study
A new method is presented for the measurement of the mean τ lepton lifetime using events in which τ's are pair-produced and both τ's decay to hadrons and ντ. Based on the correlation between the two τ's produced at a symmetric e+e− collider, the 3DIP method relies on the three-dimensional information from a double-sided vertex detector and on kinematic constraints for the precise measurement of the τ decay angles. Using the data collected from 1992 to 1994 with the ALEPH detector at LEP, a τ lifetime of 288.0±3.1±1.3\fs is obtained from the sample in which both τ's decay to one charged track, and 292.8±5.6±3.0\fs from the sample in which one τ decays to one prong and the other to three prongs. The results show small statistical correlations with those derived from other methods. When combined with the previously published ALEPH measurements, the resulting τ lifetime is 291.2±2.0±1.2\fs
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