253 research outputs found
Study of Bc+â decays to the K+KâÏ+ final state and evidence for the decay Bc+ââÏc0âÏ+
- Author
- Aaij R
- Adeva B
- Adinolfi M
- Ajaltouni Z
- Akar S
- Albrecht J
- Alessio F
- Alexander M
- Ali S
- Alkhazov G
- Altarelli M Pepe
- Amato S
- Amerio S
- Amhis Y
- An L
- Anderlini L
- Andreassi G
- Andreotti M
- Andrews JE
- Appleby RB
- Archilli F
- Artamonov A
- Artuso M
- Aslanides E
- Auriemma G
- Baalouch M
- Babuschkin I
- Bachmann S
- Back JJ
- Badalov A
- Baesso C
- Baldini W
- Barlow RJ
- Barschel C
- Barsuk S
- Barter W
- Baszczyk M
- Batozskaya V
- Batsukh B
- Battista V
- Bay A
- Beaucourt L
- Beddow J
- Bedeschi F
- Bediaga I
- Bel LJ
- Bellee V
- Belloli N
- Belous K
- Belyaev I
- Ben-Haim E
- Bencivenni G
- Benson S
- Benton J
- Berezhnoy A
- Bernet R
- Bertolin A
- Betti F
- Bettler M-O
- Bezshyiko Ia
- Bifani S
- Billoir P
- Bird T
- Birnkraut A
- Bitadze A
- Bizzeti A
- Blake T
- Blanc F
- Blouw J
- Blusk S
- Bocci V
- Boettcher T
- Bondar A
- Bondar N
- Bonivento W
- Borgheresi A
- Borghi S
- Borisyak M
- Borsato M
- Bossu F
- Boubdir M
- Bowcock TJV
- Bowen E
- Bozzi C
- Braun S
- Britsch M
- Britton T
- Brodzicka J
- Buchanan E
- Burr C
- Bursche A
- Buytaert J
- Cadeddu S
- Calabrese R
- Calvi M
- Calvo Gomez M
- Camboni A
- Campana P
- Capriotti L
- Carbone A
- Carboni G
- Cardinale R
- Cardini A
- Cardoso LA Granado
- Carniti P
- Carson L
- Cartelle P Alvarez
- Carvalho Akiba K
- Casse G
- Cassina L
- Cattaneo M
- Cauet Ch
- Cavallero G
- Cazon BR Gruberg
- Cenci R
- Charles M
- Charpentier Ph
- Chatzikonstantinidis G
- Chefdeville M
- Chen S
- Cheung S-F
- Chobanova V
- Chrzaszcz M
- Cid Vidal X
- Ciezarek G
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
- Coco V
- Cogan J
- Cogneras E
- Cogoni V
- Cojocariu L
- Collaboration Lhcb
- Collaboration LHCb
- Collazuol G
- Collins P
- Comerma-Montells A
- Contu A
- Cook A
- Coquereau S
- Corti G
- Corvo M
- Coutinho R Silva
- Couturier B
- Cowan GA
- Craik DC
- Crocombe A
- Cunliffe S
- Currie R
- D'Ambrosio C
- d'Argent P
- Dall'Occo E
- Dalseno J
- David PNY
- Davis A
- De Aguiar Francisco O
- De Bruyn K
- De Capua S
- De Cian M
- De Miranda JM
- De Paula L
- De Serio M
- De Simone P
- de Vries JA
- Dean C-T
- Decamp D
- Deckenhoff M
- Del Buono L
- Deleage N
- Demmer M
- Derkach D
- Deschamps O
- Dettori F
- Dey B
- Di Canto A
- Dijkstra H
- Dordei F
- Dorigo M
- dos Reis AC
- Dosil Suarez A
- Dovbnya A
- Dreimanis K
- Dufour L
- Dujany G
- Dungs K
- Durante P
- Dzhelyadin R
- Dziurda A
- Dzyuba A
- Easo S
- Ebert M
- Egede U
- Egorychev V
- Eidelman S
- Eisenhardt S
- Eitschberger U
- Ekelhof R
- Eklund L
- Elsasser Ch
- Ely S
- Esen S
- Evans HM
- Evans T
- Falabella A
- Farber C
- Farley N
- Farry S
- Fay R
- Fazzini D
- Ferguson D
- Fernandez Albor V
- Fernandez Prieto A
- Ferrari F
- Ferreira Rodrigues F
- Ferro-Luzzi M
- Filippov S
- Fini RA
- Fiore M
- Fiorini M
- Firlej M
- Fitzpatrick C
- Fiutowski T
- Fleuret F
- Fohl K
- Fontana M
- Fontanelli F
- Forshaw DC
- Forty R
- Frank M
- Frei C
- Fu J
- Furfaro E
- Gallas Torreira A
- Galli D
- Gallorini S
- Gambetta S
- Gandara M Grabalosa
- Gandelman M
- Gandini P
- Gao Y
- Garcia Martin LM
- Garcia Pardinas J
- Garcia L Castillo
- Garra Tico J
- Garrido L
- Garsed PJ
- Gascon D
- Gaspar C
- Gavardi L
- Gazzoni G
- Gerick D
- Gersabeck E
- Gersabeck M
- Gershon T
- Ghez Ph
- Giani S
- Gibson V
- Girard OG
- Giubega L
- Gizdov K
- Gligorov VV
- Gobel C
- Golubkov D
- Golutvin A
- Gomes A
- Gomez R Vazquez
- Gorelov IV
- Gotti C
- Graciani Diaz R
- Grauges E
- Graverini E
- Graziani G
- Grecu A
- Griffith P
- Grillo L
- Grunberg O
- Gushchin E
- Guz Yu
- Gys T
- Hadavizadeh T
- Hadjivasiliou C
- Haefeli G
- Haen C
- Haines SC
- Hall S
- Hamilton B
- Han X
- Hansmann-Menzemer S
- Harnew N
- Harnew ST
- Harrison J
- Hatch M
- He J
- Head T
- Heister A
- Hennessy K
- Henrard P
- Henry L
- Hernando Morata JA
- Hess M
- Hicheur A
- Hill D
- Hombach C
- Hopchev H
- Hulsbergen W
- Humair T
- Hushchyn M
- Hussain N
- Hutchcroft D
- Idzik M
- Ilten P
- Jacobsson R
- Jaeger A
- Jalocha J
- Jans E
- Jawahery A
- John M
- Johnson D
- Jones CR
- Joram C
- Jost B
- Jr Alves AA
- Jurik N
- Kandybei S
- Kanso W
- Karacson M
- Kariuki JM
- Karodia S
- Kecke M
- Kelsey M
- Kenyon IR
- Kenzie M
- Ketel T
- Khairullin E
- Khanji B
- Khurewathanakul C
- Kirn T
- Klaver S
- Klimaszewski K
- Koliiev S
- Kolpin M
- Komarov I
- Koopman RF
- Koppenburg P
- Kozachuk A
- Kozeiha M
- Kravchuk L
- Kreplin K
- Kreps M
- Krokovny P
- Kruse F
- Krzemien W
- Kucewicz W
- Kucharczyk M
- Kudryavtsev V
- Kuonen AK
- Kurek K
- Kvaratskheliya T
- Lacarrere D
- Lafferty G
- Lai A
- Lambert D
- Lanfranchi G
- Langenbruch C
- Langhans B
- Latham T
- Lazzeroni C
- Le Gac R
- Lees J-P
- Lefevre R
- Leflat A
- Lefrancois J
- Lemaitre F
- Lemos Cid E
- Leroy O
- Lesiak T
- Leverington B
- Li Y
- Likhomanenko T
- Lima V Franco
- Lindner R
- Linn C
- Lionetto F
- Liu B
- Liu X
- Loh D
- Longstaff I
- Lopes JH
- Lucchesi D
- Lucio Martinez M
- Luo H
- Lupato A
- Luppi E
- Lupton O
- Lusiani A
- Lyu X
- Machefert F
- Maciuc F
- Maev O
- Maguire K
- Malde S
- Malinin A
- Maltsev T
- Manca G
- Mancinelli G
- Manning P
- Maratas J
- Marchand JF
- Marconi U
- Marin Benito C
- Marino P
- Marks J
- Martellotti G
- Martin M
- Martinelli M
- Martinez Santos D
- Martinez Vidal F
- Martins Tostes D
- Massacrier LM
- Massafferri A
- Matev R
- Mathad A
- Mathe Z
- Matteuzzi C
- Mauri A
- Maurin B
- Mazurov A
- McCann M
- McCarthy J
- McNab A
- McNulty R
- Meadows B
- Meier F
- Meissner M
- Melnychuk D
- Merk M
- Merli A
- Michielin E
- Milanes DA
- Minard M-N
- Mitzel DS
- Mogini A
- Molina Rodriguez J
- Monroy IA
- Monteil S
- Morandin M
- Morawski P
- Morda A
- Morello MJ
- Moron J
- Morris AB
- Mountain R
- Muheim F
- Mulder M
- Muller D
- Muller J
- Muller K
- Muller V
- Mussini M
- Naik P
- Nakada T
- Nandakumar R
- Nandi A
- Nasteva I
- Navarro A Puig
- Needham M
- Neri N
- Neubert S
- Neufeld N
- Neuner M
- Nguyen AD
- Nguyen-Mau C
- Nieswand S
- Niet R
- Nikitin N
- Nikodem T
- Novoselov A
- O'Hanlon DP
- Oblakowska-Mucha A
- Obraztsov V
- Ogilvy S
- Oldeman R
- Onderwater CJG
- Otalora Goicochea JM
- Otto A
- Owen P
- Oyanguren A
- Pais PR
- Palano A
- Palombo F
- Palutan M
- Panman J
- Papanestis A
- Pappagallo M
- Pappalardo LL
- Parker W
- Parkes C
- Passaleva G
- Pastore A
- Patel GD
- Patel M
- Patrignani C
- Pearce A
- Pellegrino A
- Penso G
- Perazzini S
- Perez D Campora
- Perez DH Campora
- Perez P Rodriguez
- Perret P
- Pescatore L
- Petridis K
- Petrolini A
- Petrov A
- Petruzzo M
- Picatoste Olloqui E
- Pietrzyk B
- Pikies M
- Pinci D
- Pistone A
- Piucci A
- Playfer S
- Plo Casasus M
- Poikela T
- Polci F
- Poluektov A
- Polyakov I
- Polycarpo E
- Pomery GJ
- Popov A
- Popov D
- Popovici B
- Potterat C
- Price E
- Price JD
- Prisciandaro J
- Pritchard A
- Prouve C
- Pugatch V
- Punzi G
- Qian W
- Quagliani R
- Rachwal B
- Rademacker JH
- Rama M
- Ramos Pernas M
- Rangel MS
- Raniuk I
- Raven G
- Redi F
- Reichert S
- Remon Alepuz C
- Renaudin V
- Ricciardi S
- Richards S
- Rihl M
- Rinnert K
- Rives Molina V
- Robbe P
- Rodrigues AB
- Rodrigues E
- Rodriguez Lopez JA
- Rogozhnikov A
- Roiser S
- Romanovskiy V
- Romero Vidal A
- Romeu J Arnau
- Ronayne JW
- Rotondo M
- Rudolph MS
- Ruf T
- Ruiz Valls P
- Saborido Silva JJ
- Sadykhov E
- Sagidova N
- Saitta B
- Salustino Guimaraes V
- Sanchez Mayordomo C
- Sanmartin Sedes B
- Santacesaria R
- Santamarina Rios C
- Santimaria M
- Santovetti E
- Sarti A
- Satriano C
- Satta A
- Saunders DM
- Savrina D
- Schael S
- Schellenberg M
- Schiller M
- Schindler H
- Schlupp M
- Schmelling M
- Schmelzer T
- Schmidt B
- Schneider O
- Schopper A
- Schubert K
- Schubiger M
- Schune M-H
- Schwemmer R
- Sciascia B
- Sciubba A
- Semennikov A
- Sergi A
- Serra N
- Serrano J
- Sestini L
- Seyfert P
- Shapkin M
- Shapoval I
- Shcheglov Y
- Shears T
- Shekhtman L
- Shevchenko V
- Shires A
- Siddi BG
- Silva de Oliveira L
- Simi G
- Simone S
- Sirendi M
- Skidmore N
- Skwarnicki T
- Smith E
- Smith IT
- Smith J
- Smith M
- Snoek H
- Sobral CM Costa
- Sokoloff MD
- Soler FJP
- Souza De Paula B
- Souza D
- Spaan B
- Spradlin P
- Sridharan S
- Stagni F
- Stahl M
- Stahl S
- Stefko P
- Stefkova S
- Steinkamp O
- Stenyakin O
- Stenzel Martins J
- Stevenson S
- Stoica S
- Stone S
- Storaci B
- Stracka S
- Straticiuc M
- Straumann U
- Sun L
- Sutcliffe W
- Swientek K
- Syropoulos V
- Szczekowski M
- Szumlak T
- T'Jampens S
- Tayduganov A
- Tekampe T
- Teklishyn M
- Tellarini G
- Teubert F
- Thomas C
- Thomas E
- Tisserand V
- Tobin M
- Tolk S
- Tomassetti L
- Tonelli D
- Topp-Joergensen S
- Toriello F
- Torres M Cruz
- Tournefier E
- Tourneur S
- Trabelsi K
- Traill M
- Tran MT
- Tresch M
- Trisovic A
- Tsaregorodtsev A
- Tsopelas P
- Tully A
- Tuning N
- Ukleja A
- Ustyuzhanin A
- Uwer U
- Vacca C
- Vagnoni V
- Valassi A
- Valat S
- Valenti G
- Vallier A
- van Beuzekom M
- van Herwijnen E
- van Leerdam J
- van Tilburg J
- van Veghel M
- Vazquez Regueiro P
- Vazquez Sierra C
- Vecchi S
- Velthuis JJ
- Veltri M
- Veneziano G
- Venkateswaran A
- Vernet M
- Vesterinen M
- Viaud B
- Vieira D
- Vieites Diaz M
- Vilasis-Cardona X
- Volkov V
- Vollhardt A
- Voneki B
- Vorobyev A
- Vorobyev V
- Voss C
- Waldi R
- Wallace C
- Wallace R
- Walsh J
- Wang J
- Ward DR
- Wark HM
- Watson NK
- Websdale D
- Weiden A
- Whitehead M
- Wicht J
- Wilkinson G
- Wilkinson M
- Williams M
- Williams M
- Williams MP
- Williams T
- Wilson FF
- Wimberley J
- Wishahi J
- Wislicki W
- Witek M
- Wormser G
- Wotton SA
- Wraight K
- Wright S
- Wyllie K
- Xie Y
- Xing Z
- Xu Z
- Yang Z
- Yin H
- Yu J
- Yuan X
- Yushchenko O
- Zangoli M
- Zarebski KA
- Zavertyaev M
- Zhang L
- Zhang Y
- Zhang Y
- Zhelezov A
- Zheng Y
- Zhokhov A
- Zhu X
- Zhukov V
- Zucchelli S
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/2016
- Field of study
A study of Bc+ââK+KâÏ+ decays is performed for the first time
using data corresponding to an integrated luminosity of 3.0 fbâ1
collected by the LHCb experiment in pp collisions at centre-of-mass energies
of 7 and 8 TeV. Evidence for the decay Bc+ââÏc0â(âK+Kâ)Ï+
is reported with a significance of 4.0 standard deviations, resulting in the
measurement of
Ï(B+)Ï(Bc+â)âĂB(Bc+ââÏc0âÏ+) to
be (9.8â3.0+3.4â(stat)±0.8(syst))Ă10â6.
Here B denotes a branching fraction while Ï(Bc+â) and
Ï(B+) are the production cross-sections for Bc+â and B+ mesons.
An indication of bËc weak annihilation is found for the region
m(KâÏ+)<1.834GeV/c2, with a significance of
2.4 standard deviations.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2016-022.html,
link to supplemental material inserted in the reference
Optimization Tools for Solving Equilibrium Problems with Nonsmooth Data
- Author
- D Lorenzo Di
- E Blum
- FH Clarke
- G Bigi
- G Bigi
- G Bigi
- G Bigi
- G Bigi
- G Mastroeni
- G Mastroeni
- Giancarlo Bigi
- H Xu
- IV Konnov
- IV Konnov
- IV Konnov
- IV Konnov
- IV Konnov
- IV Konnov
- J-B Hiriart-Urruty
- JJ Strodiot
- K Fan
- KF Ng
- KF Ng
- L Zhang
- L Zhang
- LD Muu
- LL Tan
- M Castellani
- M Pappalardo
- Massimo Pappalardo
- Mauro Passacantando
- O Chadli
- RT Rockafellar
- W Hogan
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study
Test of lepton universality in bâsâ+ââ decays
- Author
- Aaij R
- Abdelmotteleb ASW
- Abellan Beteta C
- Abudinén F
- Ackernley T
- Adeva B
- Adinolfi M
- Adlarson P
- Afsharnia H
- Agapopoulou C
- Aidala CA
- Ajaltouni Z
- Akar S
- Akiba K
- Albicocco P
- Albrecht J
- Alessio F
- Alexander M
- Alfonso Albero A
- Aliouche Z
- Alvarez Cartelle P
- Amalric R
- Amato S
- Amey JL
- Amhis Y
- An L
- Anderlini L
- Andersson M
- Andreianov A
- Andreotti M
- Andreou D
- Ao D
- Archilli F
- Artamonov A
- Artuso M
- Aslanides E
- Atzeni M
- Audurier B
- Bachiller Perea I
- Bachmann S
- Bachmayer M
- Back JJ
- Bailly-Reyre A
- Baladron Rodriguez P
- Balagura V
- Baldini W
- Baptista de Souza Leite J
- Barbetti M
- Barlow RJ
- Barsuk S
- Barter W
- Bartolini M
- Baryshnikov F
- Basels JM
- Bassi G
- Batsukh B
- Battig A
- Bay A
- Beck A
- Becker M
- Bedeschi F
- Bediaga IB
- Beiter A
- Belin S
- Bellee V
- Belous K
- Belov I
- Belyaev I
- Ben-Haim E
- Benane G
- Bencivenni G
- Berezhnoy A
- Bernet Andres S
- Bernet R
- Berninghoff D
- Bernstein HC
- Bertella C
- Bertolin A
- Betancourt C
- Betti F
- Bezshyiko Ia
- Bhom J
- Bian L
- Bieker MS
- Biesuz NV
- Bifani S
- Billoir P
- Biolchini A
- Birch M
- Bishop FCR
- Bitadze A
- Bizzeti A
- Blago MP
- Blake T
- Blanc F
- Blank JE
- Blusk S
- Bobulska D
- Boelhauve JA
- Boente Garcia O
- Boettcher T
- Boldyrev A
- Bolognani CS
- Bolzonella R
- Bondar N
- Borgato F
- Borghi S
- Borsato M
- Borsuk JT
- Bouchiba SA
- Bowcock TJV
- Boyer A
- Bozzi C
- Bradley MJ
- Braun S
- Brea Rodriguez A
- Brodzicka J
- Brossa Gonzalo A
- Brown J
- Brundu D
- Buonaura A
- Buonincontri L
- Burke AT
- Burr C
- Bursche A
- Butkevich A
- Butter JS
- Buytaert J
- Byczynski W
- Cadeddu S
- Cai H
- Calabrese R
- Calefice L
- Cali S
- Calladine R
- Calvi M
- Calvo Gomez M
- Campana P
- Campora Perez DH
- Campoverde Quezada AF
- Capelli S
- Capriotti L
- Carbone A
- Cardinale R
- Cardini A
- Carniti P
- Carus L
- Casais Vidal A
- Caspary R
- Casse G
- Cattaneo M
- Cavallero G
- Cavallini V
- Celani S
- Cerasoli J
- Cervenkov D
- Chadwick AJ
- Chahrour I
- Chapman MG
- Charles M
- Charpentier Ph
- Chavez Barajas CA
- Chefdeville M
- Chen C
- Chen S
- Chernov A
- Chernyshenko S
- Chobanova V
- Cholak S
- Chrzaszcz M
- Chubykin A
- Chulikov V
- Ciambrone P
- Cicala MF
- Cid Vidal X
- Ciezarek G
- Cifra P
- Ciullo G
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
- Cobbledick JL
- Coco V
- Cogan J
- Cogneras E
- Cojocariu L
- Collins P
- Colombo T
- Congedo L
- Contu A
- Cooke N
- Corredoira I
- Corti G
- Couturier B
- Craik DC
- Cruz Torres M
- Currie R
- D'Ambrosio C
- d'Argent P
- Da Silva CL
- Dadabaev S
- Dai L
- Dai X
- Dall'Occo E
- Dalseno J
- Daniel J
- Danilina A
- Davies JE
- Davis A
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- De Bruyn K
- De Capua S
- De Cian M
- De Freitas Carneiro Da Graca U
- De Lucia E
- De Miranda JM
- De Paula L
- De Serio M
- De Simone D
- De Simone P
- De Vellis F
- de Vries JA
- Dean CT
- Debernardis F
- Decamp D
- Dedu V
- Del Buono L
- Delaney B
- Dembinski H-P
- Denysenko V
- Deschamps O
- Desse F
- Dettori F
- Dey B
- Di Nezza P
- Diachkov I
- Didenko S
- Dieste Maronas L
- Ding S
- Dobishuk V
- Dolmatov A
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- Donohoe AM
- Dordei F
- Dos Reis AC
- Douglas L
- Downes AG
- Duda P
- Dudek MW
- Dufour L
- Duk V
- Durante P
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- Durham JM
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- Dziurda A
- Dzyuba A
- Easo S
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- Escher S
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- Evans T
- Fabiano F
- Falcao LN
- Fan Y
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- Fantini L
- Faria M
- Farry S
- Fazzini D
- Felkowski LF
- Feo M
- Fernandez Gomez M
- Fernez AD
- Ferrari F
- Ferreira Lopes L
- Ferreira Rodrigues F
- Ferreres Sole S
- Ferrillo M
- Ferro-Luzzi M
- Filippov S
- Fini RA
- Fiorini M
- Firlej M
- Fischer KM
- Fitzgerald DS
- Fitzpatrick C
- Fiutowski T
- Fleuret F
- Fontana M
- Fontanelli F
- Forty R
- Foulds-Holt D
- Franco Lima V
- Franco Sevilla M
- Frank M
- Franzoso E
- Frau G
- Frei C
- Friday DA
- Frontini L
- Fu J
- Fuehring Q
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- Galati G
- Galati MD
- Gallas Torreira A
- Galli D
- Gambetta S
- Gandelman M
- Gandini P
- Gao HG
- Gao Y
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- Garau M
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- Publication venue
- Publication date
- 18/12/2022
- Field of study
The first simultaneous test of muon-electron universality using
B+âK+â+ââ and B0âKâ0â+ââ decays is performed, in two ranges of the dilepton
invariant-mass squared, q2. The analysis uses beauty mesons produced in
proton-proton collisions collected with the LHCb detector between 2011 and
2018, corresponding to an integrated luminosity of 9 fbâ1. Each
of the four lepton universality measurements reported is either the first in
the given q2 interval or supersedes previous LHCb measurements. The
results are compatible with the predictions of the Standard Model.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-046.html (LHCb
public pages
Observation of Two New Excited Îb0 States Decaying to Îb0 K-Ï+
- Author
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- Abdelmotteleb ASW
- Abrantes FG
- Ackernley T
- Adeva B
- Adinolfi M
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- Agapopoulou C
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- Jashal BK
- Jawahery A
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- Kadavath SHK
- Kandybei S
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- Karacson M
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- Kenzie M
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- Khanji B
- Kharisova A
- Kholodenko S
- Kirn T
- Kirsebom VS
- Kitouni O
- Klaver S
- Kleijne N
- Klimaszewski K
- Kmiec MR
- Koliiev S
- Kondybayeva A
- Konoplyannikov A
- Kopciewicz P
- Kopecna R
- Koppenburg P
- Korolev M
- Kostiuk I
- Kot O
- Kotriakhova S
- Kravchenko P
- Kravchuk L
- Krawczyk RD
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- Zavertyaev M
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- Zucchelli S
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- Zunica G
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/2022
- Field of study
Two narrow resonant states are observed in the Îb0K-Ï+ mass spectrum using a data sample of proton-proton collisions at a center-of-mass energy of 13 TeV, collected by the LHCb experiment and corresponding to an integrated luminosity of 6 fb-1. The minimal quark content of the Îb0K-Ï+ system indicates that these are excited Îb0 baryons. The masses of the Îb(6327)0 and Îb(6333)0 states are m[Îb(6327)0]=6327.28-0.21+0.23±0.12±0.24 and m[Îb(6333)0]=6332.69-0.18+0.17±0.03±0.22 MeV, respectively, with a mass splitting of Îm=5.41-0.27+0.26±0.12 MeV, where the uncertainties are statistical, systematic, and due to the Îb0 mass measurement. The measured natural widths of these states are consistent with zero, with upper limits of Î[Îb(6327)0]<2.20(2.56) and Î[Îb(6333)0]<1.60(1.92) MeV at a 90% (95%) credibility level. The significance of the two-peak hypothesis is larger than nine (five) Gaussian standard deviations compared to the no-peak (one-peak) hypothesis. The masses, widths, and resonant structure of the new states are in good agreement with the expectations for a doublet of 1D Îb0 resonances
Precision measurement of CP violation in the penguin-mediated decay Bs0ââÏÏ
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- Publication venue
- Publication date
- 01/01/2023
- Field of study
A flavor-tagged time-dependent angular analysis of the decay
Bs0ââÏÏ is performed using pp collision data collected
by the LHCb experiment at % at sâ=13 TeV, the center-of-mass energy of
13 TeV, corresponding to an integrated luminosity of 6 fb^{-1}. The
CP-violating phase and direct CP-violation parameter are measured
to be ÏssËsâ=â0.042±0.075±0.009 rad and
âŁÎ»âŁ=1.004±0.030±0.009, respectively, assuming the same values
for all polarization states of the ÏÏ system. In these results, the
first uncertainties are statistical and the second systematic. These parameters
are also determined separately for each polarization state, showing no evidence
for polarization dependence. The results are combined with previous LHCb
measurements using pp collisions at center-of-mass energies of 7 and 8 TeV,
yielding ÏssËsâ=â0.074±0.069 rad and âŁlambdaâŁ=1.009±0.030. This is the most precise study of time-dependent CP violation
in a penguin-dominated B meson decay. The results are consistent with
CP symmetry and with the Standard Model predictions.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2023-001.html (LHCb
public pages
First observation of a doubly charged tetraquark and its neutral partner
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- Wyllie K
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- Yeroshenko V
- Yeung H
- Yin H
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- Zaffaroni E
- Zavertyaev M
- Zdybal M
- Zenaiev O
- Zeng M
- Zhang C
- Zhang D
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- Zhang S
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- Zhang Y
- Zharkova A
- Zhelezov A
- Zheng Y
- Zhou T
- Zhou X
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- Zhu Z
- Zhukov V
- Zou Q
- Zucchelli S
- Zuliani D
- Zunica G
- Publication venue
- Publication date
- 01/01/2023
- Field of study
A combined amplitude analysis is performed for the decays B0âD0Ds+âÏâ and B+âDâDs+âÏ+, which are
related by isospin symmetry. The analysis is based on data collected by the
LHCb detector in proton-proton collisions at center-of-mass energies of 7, 8
and 13TeV. The full data sample corresponds to an integrated
luminosity of 9fbâ1. Two new resonant states with masses of
2.908±0.011±0.020GeV and widths of
0.136±0.023±0.011GeV are observed, which decay to Ds+âÏ+ and
Ds+âÏâ respectively. The former state indicates the first observation of
a doubly charged open-charm tetraquark state with minimal quark content
[csËudË], and the latter state is a neutral tetraquark composed of
[csËuËd] quarks. Both states are found to have spin-parity 0+,
and their resonant parameters are consistent with each other, which suggests
that they belong to an isospin triplet.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-026.html (LHCb
public pages
Observation of a resonant structure near the Ds+âDsââ threshold in the B+âDs+âDsââK+ decay
- Author
- Aaij R
- Abdelmotteleb ASW
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- Abudinén F
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- Popov D
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- Promberger L
- Prouve C
- Pugatch V
- Puill V
- Punzi G
- Qi HR
- Qian W
- Qin N
- Qu S
- Quagliani R
- Raab NV
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- Rachwal B
- Rademacker JH
- Rajagopalan R
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- Ramos Pernas M
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- Ruf T
- Ruiz Fernandez RA
- Ruiz Vidal J
- Ryzhikov A
- Ryzka J
- Saborido Silva JJ
- Sagidova N
- Sahoo N
- Saitta B
- Salomoni M
- Sanchez Gras C
- Sanderswood I
- Santacesaria R
- Santamarina Rios C
- Santimaria M
- Santovetti E
- Saranin D
- Sarpis G
- Sarpis M
- Sarti A
- Satriano C
- Satta A
- Saur M
- Savrina D
- Sazak H
- Scantlebury Smead LG
- Scarabotto A
- Schael S
- Scherl S
- Schiller M
- Schindler H
- Schmelling M
- Schmidt B
- Schmitt S
- Schneider O
- Schopper A
- Schubiger M
- Schulte S
- Schune MH
- Schwemmer R
- Sciascia B
- Sciuccati A
- Sellam S
- Semennikov A
- Senghi Soares M
- Sergi A
- Serra N
- Sestini L
- Seuthe A
- Shang Y
- Shangase DM
- Shapkin M
- Shchemerov I
- Shchutska L
- Shears T
- Shekhtman L
- Shen Z
- Sheng S
- Shevchenko V
- Shi B
- Shields EB
- Shimizu Y
- Shmanin E
- Shupperd JD
- Siddi BG
- Silva Coutinho R
- Simi G
- Simone S
- Singla M
- Skidmore N
- Skuza R
- Skwarnicki T
- Slater MW
- Smallwood JC
- Smeaton JG
- Smith E
- Smith K
- Smith M
- Snoch A
- Soares Lavra L
- Sokoloff MD
- Soler FJP
- Solomin A
- Solovev A
- Solovyev I
- Song R
- Souza De Almeida FL
- Souza De Paula B
- Spaan B
- Spadaro Norella E
- Spiridenkov E
- Spradlin P
- Sriskaran V
- Stagni F
- Stahl M
- Stahl S
- Stanislaus S
- Stein EN
- Steinkamp O
- Stenyakin O
- Stevens H
- Stone S
- Strekalina D
- Suljik F
- Sun J
- Sun L
- Sun Y
- Svihra P
- Swallow PN
- Swientek K
- Szabelski A
- Szumlak T
- Szymanski M
- T'Jampens S
- Tan Y
- Taneja S
- Tanner AR
- Tat MD
- Terentev A
- Teubert F
- Thomas E
- Thompson DJD
- Thomson KA
- Tilquin H
- Tisserand V
- Tobin M
- Tomassetti L
- Tonani G
- Tong X
- Torres Machado D
- Tou DY
- Trifonova E
- Trilov SM
- Trippl C
- Tuci G
- Tully A
- Tuning N
- Ukleja A
- Unverzagt DJ
- Ursov E
- Usachov A
- Ustyuzhanin A
- Uwer U
- Vagner A
- Vagnoni V
- Valassi A
- Valenti G
- Valls Canudas N
- van Beuzekom M
- Van Dijk M
- Van Hecke H
- van Herwijnen E
- Van Hulse CB
- van Veghel M
- Vazquez Gomez R
- Vazquez Regueiro P
- Vecchi S
- Velthuis JJ
- Veltri M
- Venkateswaran A
- Veronesi M
- Vesterinen M
- Vieira D
- Vieites Diaz M
- Vilasis-Cardona X
- Vilella Figueras E
- Villa A
- Vincent P
- Volle FC
- Vom Bruch D
- Vorobyev A
- Vorobyev V
- Voropaev N
- Vos K
- Vrahas C
- VĂĄzquez Sierra C
- Waldi R
- Walsh J
- Wan G
- Wang C
- Wang J
- Wang J
- Wang J
- Wang J
- Wang M
- Wang R
- Wang X
- Wang Y
- Wang Z
- Wang Z
- Wang Z
- Ward JA
- Watson NK
- Websdale D
- Wei Y
- Weisser C
- Westhenry BDC
- White DJ
- Whitehead M
- Wiederhold AR
- Wiedner D
- Wilkinson G
- Wilkinson MK
- Williams I
- Williams M
- Williams MRJ
- Williams R
- Wilson FF
- Wislicki W
- Witek M
- Witola L
- Wong CP
- Wormser G
- Wotton SA
- Wu H
- Wyllie K
- Xiang Z
- Xiao D
- Xie Y
- Xu A
- Xu J
- Xu L
- Xu L
- Xu M
- Xu Q
- Xu Z
- Xu Z
- Yang D
- Yang S
- Yang Y
- Yang Z
- Yang Z
- Yeomans LE
- Yeroshenko V
- Yeung H
- Yin H
- Yu J
- Yuan X
- Zaffaroni E
- Zavertyaev M
- Zdybal M
- Zenaiev O
- Zeng M
- Zhang C
- Zhang D
- Zhang L
- Zhang S
- Zhang S
- Zhang Y
- Zhang Y
- Zharkova A
- Zhelezov A
- Zheng Y
- Zhou T
- Zhou X
- Zhou Y
- Zhovkovska V
- Zhu X
- Zhu X
- Zhu Z
- Zhukov V
- Zou Q
- Zucchelli S
- Zuliani D
- Zunica G
- Publication venue
- Publication date
- 26/10/2022
- Field of study
An amplitude analysis of the B+âDs+âDsââK+ decay is carried out to
study for the first time its intermediate resonant contributions, using
proton-proton collision data collected with the LHCb detector at centre-of-mass
energies of 7, 8 and 13 TeV. A near-threshold peaking structure, referred to as
X(3960), is observed in the Ds+âDsââ invariant-mass spectrum with
significance greater than 12 standard deviations. The mass, width and the
quantum numbers of the structure are measured to be 3956±5±10 MeV,
43±13±8 MeV and JPC=0++, respectively, where the first
uncertainties are statistical and the second systematic. The properties of the
new structure are consistent with recent theoretical predictions for a state
composed of ccËssË quarks. Evidence for an additional structure is
found around 4140 MeV in the Ds+âDsââ invariant mass, which might be
caused either by a new resonance with the 0++ assignment or by a J/ÏÏâDs+âDsââ coupled-channel effect.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-018.html (LHCb
public pages
Measurement of the B0s âJ/Ïη lifetime
- Author
- Aaij R
- Adeva B
- Adinolfi M
- Ajaltouni Z
- Akar S
- Albrecht J
- Alessio F
- Alexander M
- Ali S
- Alkhazov G
- Altarelli M Pepe
- Amato S
- Amerio S
- Amhis Y
- An L
- Anderlini L
- Andreassi G
- Andreotti M
- Andrews JE
- Appleby RB
- Archilli F
- Artamonov A
- Artuso M
- Aslanides E
- Auriemma G
- Baalouch M
- Babuschkin I
- Bachmann S
- Back JJ
- Badalov A
- Baesso C
- Baldini W
- Barlow RJ
- Barschel C
- Barsuk S
- Barter W
- Batozskaya V
- Batsukh B
- Battista V
- Bay A
- Beaucourt L
- Beddow J
- Bedeschi F
- Bediaga I
- Bel LJ
- Bellee V
- Belloli N
- Belous K
- Belyaev I
- Ben-Haim E
- Bencivenni G
- Benson S
- Benton J
- Berezhnoy A
- Bernet R
- Bertolin A
- Betti F
- Bettler M-O
- Bifani S
- Billoir P
- Bird T
- Birnkraut A
- Bitadze A
- Bizzeti A
- Blake T
- Blanc F
- Blouw J
- Blusk S
- Bocci V
- Boettcher T
- Bondar A
- Bondar N
- Bonivento W
- Borgheresi A
- Borghi S
- Borisyak M
- Borsato M
- Bossu F
- Boubdir M
- Bowcock TJV
- Bowen E
- Bozzi C
- Braun S
- Britsch M
- Britton T
- Brodzicka J
- Buchanan E
- Burr C
- Bursche A
- Buytaert J
- Cadeddu S
- Calabrese R
- Calvi M
- Calvo Gomez M
- Campana P
- Capriotti L
- Carbone A
- Carboni G
- Cardinale R
- Cardini A
- Cardoso LA Granado
- Carniti P
- Carson L
- Cartelle P Alvarez
- Carvalho Akiba K
- Casse G
- Cassina L
- Cattaneo M
- Cauet Ch
- Cavallero G
- Cazon BR Gruberg
- Cenci R
- Charles M
- Charpentier Ph
- Chatzikonstantinidis G
- Chefdeville M
- Chen S
- Cheung S-F
- Chobanova V
- Chrzaszcz M
- Cid Vidal X
- Ciezarek G
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
- Coco V
- Cogan J
- Cogneras E
- Cogoni V
- Cojocariu L
- Collaboration LHcb
- Collazuol G
- Collins P
- Comerma-Montells A
- Contu A
- Cook A
- Coquereau S
- Corti G
- Corvo M
- Coutinho R Silva
- Couturier B
- Cowan GA
- Craik DC
- Crocombe A
- Cruz Torres M
- Cunliffe S
- Currie R
- D'Ambrosio C
- d'Argent P
- Dall'Occo E
- Dalseno J
- David PNY
- Davis A
- De Aguiar Francisco O
- De Bruyn K
- De Capua S
- De Cian M
- De Miranda JM
- De Paula L
- De Serio M
- De Simone P
- de Vries JA
- Dean C-T
- Decamp D
- Deckenhoff M
- Del Buono L
- Deleage N
- Demmer M
- Derkach D
- Deschamps O
- Dettori F
- Dey B
- Di Canto A
- Dijkstra H
- Dordei F
- Dorigo M
- dos Reis AC
- Dosil Suarez A
- Dovbnya A
- Dreimanis K
- Dufour L
- Dujany G
- Dungs K
- Durante P
- Dzhelyadin R
- Dziurda A
- Dzyuba A
- Easo S
- Egede U
- Egorychev V
- Eidelman S
- Eisenhardt S
- Eitschberger U
- Ekelhof R
- Eklund L
- Elsasser Ch
- Ely S
- Esen S
- Evans HM
- Evans T
- Falabella A
- Farber C
- Farley N
- Farry S
- Fay R
- Fazzini D
- Ferguson D
- Fernandez Albor V
- Ferrari F
- Ferreira Rodrigues F
- Ferro-Luzzi M
- Filippov S
- Fini RA
- Fiore M
- Fiorini M
- Firlej M
- Fitzpatrick C
- Fiutowski T
- Fleuret F
- Fohl K
- Fontana M
- Fontanelli F
- Forshaw DC
- Forty R
- Frank M
- Frei C
- Fu J
- Furfaro E
- Gallas Torreira A
- Galli D
- Gallorini S
- Gambetta S
- Gandara M Grabalosa
- Gandelman M
- Gandini P
- Gao Y
- Garcia Pardinas J
- Garcia L Castillo
- Garrido L
- Garsed PJ
- Gascon D
- Gaspar C
- Gavardi L
- Gazzoni G
- Gerick D
- Gersabeck E
- Gersabeck M
- Gershon T
- Ghez Ph
- Giani S
- Gibson V
- Gillies E
- Girard OG
- Giubega L
- Gizdov K
- Gligorov VV
- Gobel C
- Golubkov D
- Golutvin A
- Gomes A
- Gomez R Vazquez
- Gorelov IV
- Gotti C
- Graciani Diaz R
- Grauges E
- Graverini E
- Graziani G
- Grecu A
- Griffith P
- Grillo L
- Gruenberg O
- Gushchin E
- Gutierrez O Aquines
- Guz Yu
- Gys T
- Hadavizadeh T
- Hadjivasiliou C
- Haefeli G
- Haen C
- Haines SC
- Hall S
- Hamilton B
- Han X
- Hansmann-Menzemer S
- Harnew N
- Harnew ST
- Harrison J
- Hatch M
- He J
- Head T
- Heister A
- Hennessy K
- Henrard P
- Henry L
- Hernando Morata JA
- Hess M
- Hicheur A
- Hill D
- Hombach C
- Hulsbergen W
- Humair T
- Hushchyn M
- Hussain N
- Hutchcroft D
- Idzik M
- Ilten P
- Jacobsson R
- Jaeger A
- Jalocha J
- Jans E
- Jawahery A
- John M
- Johnson D
- Jones CR
- Joram C
- Jost B
- Jr Alves AA
- Jurik N
- Kandybei S
- Kanso W
- Karacson M
- Kariuki JM
- Karodia S
- Kecke M
- Kelsey M
- Kenyon IR
- Kenzie M
- Ketel T
- Khairullin E
- Khanji B
- Khurewathanakul C
- Kirn T
- Klaver S
- Klimaszewski K
- Koliiev S
- Kolpin M
- Komarov I
- Koopman RF
- Koppenburg P
- Kozachuk A
- Kozeiha M
- Kravchuk L
- Kreplin K
- Kreps M
- Krokovny P
- Kruse F
- Krzemien W
- Kucewicz W
- Kucharczyk M
- Kudryavtsev V
- Kuonen AK
- Kurek K
- Kvaratskheliya T
- Lacarrere D
- Lafferty G
- Lai A
- Lambert D
- Lanfranchi G
- Langenbruch C
- Langhans B
- Latham T
- Lazzeroni C
- Le Gac R
- Lees J-P
- Lefevre R
- Leflat A
- Lefrancois J
- Lemaitre F
- Lemos Cid E
- Leroy O
- Lesiak T
- Leverington B
- Li Y
- Likhomanenko T
- Lima V Franco
- Lindner R
- Linn C
- Lionetto F
- Liu B
- Liu X
- Loh D
- Longstaff I
- Lopes JH
- Lucchesi D
- Lucio Martinez M
- Luo H
- Lupato A
- Luppi E
- Lupton O
- Lusiani A
- Lyu X
- Machefert F
- Maciuc F
- Maev O
- Maguire K
- Malde S
- Malinin A
- Maltsev T
- Manca G
- Mancinelli G
- Manning P
- Maratas J
- Marchand JF
- Marconi U
- Marin Benito C
- Marino P
- Marks J
- Martellotti G
- Martin M
- Martinelli M
- Martinez Santos D
- Martinez Vidal F
- Martins Tostes D
- Massacrier LM
- Massafferri A
- Matev R
- Mathad A
- Mathe Z
- Matteuzzi C
- Mauri A
- Maurin B
- Mazurov A
- McCann M
- McCarthy J
- McNab A
- McNulty R
- Meadows B
- Meier F
- Meissner M
- Melnychuk D
- Merk M
- Merli A
- Michielin E
- Milanes DA
- Minard M-N
- Mitzel DS
- Molina Rodriguez J
- Monroy IA
- Monteil S
- Morandin M
- Morawski P
- Morda A
- Morello MJ
- Moron J
- Morris AB
- Mountain R
- Mueller J
- Mueller V
- Muheim F
- Mulder M
- Muller D
- Muller K
- Mussini M
- Naik P
- Nakada T
- Nandakumar R
- Nandi A
- Nasteva I
- Navarro A Puig
- Needham M
- Neri N
- Neubert S
- Neufeld N
- Neuner M
- Nguyen AD
- Nguyen-Mau C
- Nieswand S
- Niet R
- Nikitin N
- Nikodem T
- Novoselov A
- O'Hanlon DP
- Oblakowska-Mucha A
- Obraztsov V
- Ogilvy S
- Oldeman R
- Onderwater CJG
- Otalora Goicochea JM
- Otto A
- Owen P
- Oyanguren A
- Pais PR
- Palano A
- Palombo F
- Palutan M
- Panman J
- Papanestis A
- Pappagallo M
- Pappalardo LL
- Pappenheimer C
- Parker W
- Parkes C
- Passaleva G
- Pastore A
- Patel GD
- Patel M
- Patrignani C
- Pearce A
- Pellegrino A
- Penso G
- Perazzini S
- Perez D Campora
- Perez P Rodriguez
- Perret P
- Pescatore L
- Petridis K
- Petrolini A
- Petrov A
- Petruzzo M
- Picatoste Olloqui E
- Pietrzyk B
- Pikies M
- Pinci D
- Pistone A
- Piucci A
- Playfer S
- PloCasasus M
- Poikela T
- Polci F
- Poluektov A
- Polyakov I
- Polycarpo E
- Pomery GJ
- Popov A
- Popov D
- Popovici B
- Potterat C
- Price E
- Price JD
- Prisciandaro J
- Pritchard A
- Prouve C
- Pugatch V
- Punzi G
- Qian W
- Quagliani R
- Rachwal B
- Rademacker JH
- Rama M
- Ramos Pernas M
- Rangel MS
- Raniuk I
- Raven G
- Redi F
- Reichert S
- Remon Alepuz C
- Renaudin V
- Ricciardi S
- Richards S
- Rihl M
- Rinnert K
- Rives Molina V
- Robbe P
- Rodrigues AB
- Rodrigues E
- Rodriguez Lopez JA
- Rogozhnikov A
- Roiser S
- Romanovskiy V
- Romero Vidal A
- Romeu J Arnau
- Ronayne JW
- Rotondo M
- Rudolph MS
- Ruf T
- Ruiz Valls P
- Saborido Silva JJ
- Sadykhov E
- Sagidova N
- Saitta B
- Salustino Guimaraes V
- Sanchez Mayordomo C
- Sanmartin Sedes B
- Santacesaria R
- Santamarina Rios C
- Santimaria M
- Santovetti E
- Sarti A
- Satriano C
- Satta A
- Saunders DM
- Savrina D
- Schael S
- Schellenberg M
- Schiller M
- Schindler H
- Schlupp M
- Schmelling M
- Schmelzer T
- Schmidt B
- Schneider O
- Schopper A
- Schubert K
- Schubiger M
- Schune M-H
- Schwemmer R
- Sciascia B
- Sciubba A
- Semennikov A
- Sergi A
- Serra N
- Serrano J
- Sestini L
- Seyfert P
- Shapkin M
- Shapoval I
- Shcheglov Y
- Shears T
- Shekhtman L
- Shevchenko V
- Shires A
- Siddi BG
- Silva de Oliveira L
- Simi G
- Simone S
- Sirendi M
- Skidmore N
- Skwarnicki T
- Smith E
- Smith IT
- Smith J
- Smith M
- Snoek H
- Sobral CM Costa
- Sokoloff MD
- Soler FJP
- Souza De Paula B
- Souza D
- Spaan B
- Spradlin P
- Sridharan S
- Stagni F
- Stahl M
- Stahl S
- Stefko P
- Stefkova S
- Steinkamp O
- Stenyakin O
- Stevenson S
- Stoica S
- Stone S
- Storaci B
- Stracka S
- Straticiuc M
- Straumann U
- Sun L
- Sutcliffe W
- Swientek K
- Syropoulos V
- Szczekowski M
- Szumlak T
- T'Jampens S
- Tayduganov A
- Tekampe T
- Tellarini G
- Teubert F
- Thomas C
- Thomas E
- Tico J Garra
- Tisserand V
- Tobin M
- Tolk S
- Tomassetti L
- Tonelli D
- Topp-Joergensen S
- Toriello F
- Tournefier E
- Tourneur S
- Trabelsi K
- Traill M
- Tran MT
- Tresch M
- Trisovic A
- Tsaregorodtsev A
- Tsopelas P
- Tully A
- Tuning N
- Ukleja A
- Ustyuzhanin A
- Uwer U
- Vacca C
- Vagnoni V
- Valat S
- Valenti G
- Vallier A
- van Beuzekom M
- van Herwijnen E
- van Leerdam J
- van Tilburg J
- van Veghel M
- Vazquez Regueiro P
- Vazquez Sierra C
- Vecchi S
- Velthuis JJ
- Veltri M
- Veneziano G
- Venkateswaran A
- Vernet M
- Vesterinen M
- Viaud B
- Vieira D
- Vieites Diaz M
- Vilasis-Cardona X
- Volkov V
- Vollhardt A
- Voneki B
- Voong D
- Vorobyev A
- Vorobyev V
- Voss C
- Waldi R
- Wallace C
- Wallace R
- Walsh J
- Wang J
- Ward DR
- Wark HM
- Watson NK
- Websdale D
- Weiden A
- Whitehead M
- Wicht J
- Wilkinson G
- Wilkinson M
- Williams M
- Williams M
- Williams MP
- Williams T
- Wilson FF
- Wimberley J
- Wishahi J
- Wislicki W
- Witek M
- Wormser G
- Wotton SA
- Wraight K
- Wright S
- Wyllie K
- Xie Y
- Xing Z
- Xu Z
- Yang Z
- Yin H
- Yu J
- Yuan X
- Yushchenko O
- Zangoli M
- Zarebski KA
- Zavertyaev M
- Zhang L
- Zhang Y
- Zhang Y
- Zhelezov A
- Zheng Y
- Zhokhov A
- Zhukov V
- Zucchelli S
- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/2016
- Field of study
Using a data set corresponding to an integrated luminosity of 3 fbâ1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the Bs0âJ/Ïη decay mode, Ïeff, is measured to be
Ïeff=1.479±0.034 (stat)±0.011 (syst) ps. Assuming CP conservation, Ïeff corresponds to the lifetime of the light Bs0 mass eigenstate. This is the first measurement of the effective lifetime in this decay mode
Observation of B(s)0âJ/ÏppÂŻ decays and precision measurements of the B(s)0 masses
- Author
- Aaij R
- Adeva B
- Adinolfi M
- Aidala CA
- Ajaltouni Z
- Akar S
- Albero A Alfonso
- Albicocco P
- Albrecht J
- Alessio F
- Alexander M
- Alkhazov G
- Altarelli M Pepe
- Amato S
- Amhis Y
- An L
- Anderlini L
- Andreassi G
- Andreotti M
- Andrews JE
- Archilli F
- Artamonov A
- Artuso M
- Arzymatov K
- Aslanides E
- Atzeni M
- Audurier B
- Bachmann S
- Back JJ
- Baker S
- Balagura V
- Baldini W
- Baranov A
- Barbosa JV Viana
- Barlow RJ
- Barsuk S
- Barter W
- Bartolini M
- Baryshnikov F
- Batozskaya V
- Batsukh B
- Battig A
- Battista V
- Bay A
- Bedeschi F
- Bediaga I
- Beiter A
- Bel LJ
- Belin S
- Beliy N
- Bellee V
- Belloli N
- Belous K
- Belyaev I
- Ben-Haim E
- Bencivenni G
- Benito C Marin
- Benson S
- Beranek S
- Berezhnoy A
- Bernet R
- Berninghoff D
- Bertholet E
- Bertolin A
- Betancourt C
- Beteta C Abellan
- Betti F
- Bettler MO
- Bezshyiko Ia
- Bhasin S
- Bhom J
- Bieker MS
- Bifani S
- Billoir P
- Birnkraut A
- Bizzeti A
- Bjorn M
- Blago MP
- Blake T
- Blanc F
- Blusk S
- Bobulska D
- Bocci V
- Boettcher T
- Bondar A
- Bondar N
- Borghi S
- Borisyak M
- Borsato M
- Boubdir M
- Bowcock TJV
- Bozzi C
- Braun S
- Brodski M
- Brodzicka J
- Bruch D Vom
- Brundu D
- Buchanan E
- Buonaura A
- Burr C
- Bursche A
- Butter J
- Buytaert J
- Byczynski W
- Cadeddu S
- Cai H
- Calabrese R
- Cali S
- Calladine R
- Calvi M
- Calvo Gomez M
- Camboni A
- Campana P
- Capriotti L
- Carbone A
- Carboni G
- Cardinale R
- Cardini A
- Carniti P
- Cartelle P Alvarez
- Carvalho Akiba K
- Casse G
- Cattaneo M
- Cavallero G
- Cenci R
- Chapman MG
- Charles M
- Charman R Hidalgo
- Charpentier Ph
- Chatzikonstantinidis G
- Chefdeville M
- Chekalina V
- Chen C
- Chen S
- Chitic S-G
- Chobanova V
- Chrzaszcz M
- Chubykin A
- Ciambrone P
- Cid Vidal X
- Ciezarek G
- Cindolo F
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
- Coco V
- Coelho JAB
- Cogan J
- Cogneras E
- Cojocariu L
- Collaboration LHCb
- Collins P
- Colombo T
- Comerma-Montells A
- Contu A
- Coombs G
- Coquereau S
- Corti G
- Couturier B
- Cowan GA
- Craik DC
- Crocombe A
- Cruz Torres M
- Currie R
- D'Ambrosio C
- d'Argent P
- Da Silva CL
- Dall'Occo E
- Dalseno J
- Danilina A
- Davis A
- De Bruyn K
- De Capua S
- De Cian M
- De Miranda JM
- De Paula L
- De Serio M
- De Simone P
- de Vries A
- Dean CT
- Dean W
- Decamp D
- Declara P Fernandez
- Del Buono L
- Delaney B
- Dembinski H-P
- Demmer M
- Dendek A
- Derkach D
- Deschamps O
- Desse F
- Dettori F
- Dey B
- Di Canto A
- Di Nezza P
- Didenko S
- Dijkstra H
- Dordei F
- Dorigo M
- dos Reis AC
- Dosil Suarez A
- Douglas L
- Dovbnya A
- Dreimanis K
- Dufour L
- Dujany G
- Durante P
- Durham JM
- Dutta D
- Dzhelyadin R
- Dziewiecki M
- Dziurda A
- Dzyuba A
- Easo S
- Egede U
- Egorychev V
- Eidelman S
- Eisenhardt S
- Eitschberger U
- Ekelhof R
- Eklund L
- Ely S
- Ene A
- Escher S
- Esen S
- Evans T
- Falabella A
- Farber C
- Farley N
- Farry S
- Fazzini D
- Feo M
- Fernandez Prieto A
- Ferrari F
- Ferreira Lopes L
- Ferreira Rodrigues F
- Ferro-Luzzi M
- Filippov S
- Fini RA
- Fiorini M
- Firlej M
- Fitzpatrick C
- Fiutowski T
- Fleuret F
- Fontana M
- Fontanelli F
- Forty R
- Francisco O De Aguiar
- Frank M
- Frei C
- Fu J
- Funk W
- Gabriel E
- Gallas Torreira A
- Galli D
- Gallorini S
- Gambetta S
- Gan Y
- Gandelman M
- Gandini P
- Gao Y
- Garcia Martin LM
- Garcia Plana B
- Garcia O Boente
- Garrido L
- Gascon D
- Gaspar C
- Gazzoni G
- Gerick D
- Gersabeck E
- Gersabeck M
- Gershon T
- Gerstel D
- Ghez Ph
- Gibson V
- Girard OG
- Gironella Gironell P
- Giubega L
- Gizdov K
- Gligorov VV
- Gobel C
- Golubkov D
- Golutvin A
- Gomes A
- Gomez R Vazquez
- Gonzalo A Brossa
- Gorelov IV
- Gotti C
- Govorkova E
- Grabowski JP
- Graciani Diaz R
- Granado Cardoso LA
- Grauges E
- Graverini E
- Graziani G
- Grecu A
- Greim R
- Griffith P
- Grillo L
- Gruber L
- Gruberg Cazon BR
- Gu C
- Gushchin E
- Guth A
- Guz Yu
- Gys T
- Hadavizadeh T
- Hadjivasiliou C
- Haefeli G
- Haen C
- Haines SC
- Hamilton B
- Han Q
- Han X
- Hancock TH
- Hansmann-Menzemer S
- Harnew N
- Harrison T
- Hasse C
- Hatch M
- He J
- Hecker M
- Heinicke K
- Heister A
- Hennessy K
- Henry L
- Hess M
- Heuel J
- Hicheur A
- Hill D
- Hilton M
- Hopchev PH
- Hu J
- Hu W
- Huang W
- Huard ZC
- Hulsbergen W
- Humair T
- Hushchyn M
- Hutchcroft D
- Hynds D
- Ibis P
- Idzik M
- Ilten P
- Inglessi A
- Inyakin A
- Ivshin K
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- Jakobsen S
- Jalocha J
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- Jurik N
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- Karodia S
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- kostiuk I
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- Krupa W
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- Kunde GJ
- Kuonen AK
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- Lacarrere D
- Lafferty G
- Lai A
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- Langenbruch C
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- Leverington B
- Li H
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- Lima V Franco
- Lindner R
- Lionetto F
- Lisovskyi V
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- Loh D
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- Longstaff I
- Lopes JH
- Loustau G
- Lovell GH
- Lucchesi D
- Lucio Martinez M
- Luo Y
- Lupato A
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- Lupton O
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- Lyu X
- Machefert F
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- Majewski MW
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- Malecki B
- Malinin A
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- Martinez Vidal F
- Massafferri A
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- Nguyen TD
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- Nikitin N
- Nolte NS
- O'Hanlon DP
- Oblakowska-Mucha A
- Obraztsov V
- Ogilvy S
- Oldeman R
- Onderwater CJG
- Osborn JD
- Ossowska A
- Otalora Goicochea JM
- Ovsiannikova T
- Owen P
- Oyanguren A
- Pais PR
- Pajero T
- Palano A
- Palutan M
- Panshin G
- Papanestis A
- Pappagallo M
- Pappalardo LL
- Pardinas J Garcia
- Parker W
- Parkes C
- Passaleva G
- Pastore A
- Patel M
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- Pearce A
- Pellegrino A
- Penso G
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- Pereima D
- Perez DH Campora
- Perret P
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- Petridis K
- Petrolini A
- Petrov A
- Petrucci S
- Petruzzo M
- Pietrzyk B
- Pietrzyk G
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- Pinci D
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- Playfer S
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- Polci F
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- Poluektov A
- Polukhina N
- Polyakov I
- Polycarpo E
- Pomery GJ
- Ponce S
- Popov A
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- Price E
- Prouve C
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- Puig Navarro A
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- Reboud M
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- Sobral CM Costa
- Sokoloff MD
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- Velthuis JJ
- Veltri M
- Venkateswaran A
- Vernet M
- Veronesi M
- Vesterinen M
- Vieira D
- Vieites Diaz M
- Viemann H
- Vilasis-Cardona X
- Vitkovskiy A
- Vitti M
- Volkov V
- Vollhardt A
- Voneki B
- Vorobyev A
- Vorobyev V
- Voropaev N
- Waldi R
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- Wang J
- Wang M
- Wang Y
- Wang Z
- Ward DR
- Wark HM
- Watson NK
- Websdale D
- Weiden A
- Weisser C
- Whitehead M
- Wilkinson G
- Wilkinson M
- Williams I
- Williams M
- Williams MRJ
- Williams T
- Wilson FF
- Winn M
- Wislicki W
- Witek M
- Wormser G
- Wotton SA
- Wyllie K
- Xiao D
- Xie Y
- Xing H
- Xu A
- Xu M
- Xu Q
- Xu Z
- Xu Z
- Yang Z
- Yang Z
- Yao Y
- Yeomans LE
- Yin H
- Yu J
- Yuan X
- Yushchenko O
- Zarebski KA
- Zavertyaev M
- Zhang D
- Zhang L
- Zhang WC
- Zhang Y
- Zhelezov A
- Zheng Y
- Zhu X
- Zhukov V
- Zonneveld JB
- Zucchelli S
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/2019
- Field of study
The first observation of the decays
B
0
(
s
)
â
J
/
Ï
p
ÂŻ
p
is reported, using proton-proton collision data corresponding to an integrated luminosity of
5.2
â
â
fb
â
1
, collected with the LHCb detector. These decays are suppressed due to limited available phase space, as well as due to Okubo-Zweig-Iizuka or Cabibbo suppression. The measured branching fractions are
B
(
B
0
â
J
/
Ï
p
ÂŻ
p
)
=
[
4.51
±
0.40
(
stat
)
±
0.44
(
syst
)
]
Ă
10
â
7
,
B
(
B
0
s
â
J
/
Ï
p
ÂŻ
p
)
=
[
3.58
±
0.19
(
stat
)
±
0.39
(
syst
)
]
Ă
10
â
6
. For the
B
0
s
meson, the result is much higher than the expected value of
O
(
10
â
9
)
. The small available phase space in these decays also allows for the most precise single measurement of both the
B
0
mass as
5279.74
±
0.30
(
stat
)
±
0.10
(
syst
)
â
â
MeV
and the
B
0
s
mass as
5366.85
±
0.19
(
stat
)
±
0.13
(
syst
)
â
â
MeV
Measurement of the Îb0ââÎ(1520)ÎŒ+ÎŒâ differential branching fraction
- Author
- Aaij R
- Abdelmotteleb ASW
- Abellan Beteta C
- Abudinén F
- Ackernley T
- Adeva B
- Adinolfi M
- Adlarson P
- Afsharnia H
- Agapopoulou C
- Aidala CA
- Ajaltouni Z
- Akar S
- Akiba K
- Albicocco P
- Albrecht J
- Alessio F
- Alexander M
- Alfonso Albero A
- Aliouche Z
- Alvarez Cartelle P
- Amalric R
- Amato S
- Amey JL
- Amhis Y
- An L
- Anderlini L
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- Andreianov A
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- Andreou D
- Ao D
- Archilli F
- Artamonov A
- Artuso M
- Aslanides E
- Atzeni M
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- Bachiller Perea I
- Bachmann S
- Bachmayer M
- Back JJ
- Bailly-Reyre A
- Baladron Rodriguez P
- Balagura V
- Baldini W
- Baptista de Souza Leite J
- Barbetti M
- Barlow RJ
- Barsuk S
- Barter W
- Bartolini M
- Baryshnikov F
- Basels JM
- Bassi G
- Batsukh B
- Battig A
- Bay A
- Beck A
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- Bedeschi F
- Bediaga IB
- Beiter A
- Belin S
- Bellee V
- Belous K
- Belov I
- Belyaev I
- Ben-Haim E
- Benane G
- Bencivenni G
- Berezhnoy A
- Bernet Andres S
- Bernet R
- Berninghoff D
- Bernstein HC
- Bertella C
- Bertolin A
- Betancourt C
- Betti F
- Bezshyiko Ia
- Bhom J
- Bian L
- Bieker MS
- Biesuz NV
- Billoir P
- Biolchini A
- Birch M
- Bishop FCR
- Bitadze A
- Bizzeti A
- Blago MP
- Blake T
- Blanc F
- Blank JE
- Blusk S
- Bobulska D
- Bocharnikov V
- Boelhauve JA
- Boente Garcia O
- Boettcher T
- Boldyrev A
- Bolognani CS
- Bolzonella R
- Bondar N
- Borgato F
- Borghi S
- Borsato M
- Borsuk JT
- Bouchiba SA
- Bowcock TJV
- Boyer A
- Bozzi C
- Bradley MJ
- Braun S
- Brea Rodriguez A
- Breer N
- Brodzicka J
- Brossa Gonzalo A
- Brown J
- Brundu D
- Buonaura A
- Buonincontri L
- Burke AT
- Burr C
- Bursche A
- Butkevich A
- Butter JS
- Buytaert J
- Byczynski W
- Cadeddu S
- Cai H
- Calabrese R
- Calefice L
- Cali S
- Calvi M
- Calvo Gomez M
- Campana P
- Campora Perez DH
- Campoverde Quezada AF
- Capelli S
- Capriotti L
- Carbone A
- Cardinale R
- Cardini A
- Carniti P
- Carus L
- Casais Vidal A
- Caspary R
- Casse G
- Cattaneo M
- Cavallero G
- Cavallini V
- Celani S
- Cerasoli J
- Cervenkov D
- Chadwick AJ
- Chahrour I
- Chapman MG
- Charles M
- Charpentier Ph
- Chavez Barajas CA
- Chefdeville M
- Chen C
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- Chernov A
- Chernyshenko S
- Chobanova V
- Cholak S
- Chrzaszcz M
- Chubykin A
- Chulikov V
- Ciambrone P
- Cicala MF
- Cid Vidal X
- Ciezarek G
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- Cliff HV
- Closier J
- Cobbledick JL
- Coco V
- Cogan J
- Cogneras E
- Cojocariu L
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- Congedo L
- Contu A
- Cooke N
- Corredoira I
- Corti G
- Couturier B
- Craik DC
- Cruz Torres M
- Currie R
- D'Ambrosio C
- d'Argent P
- Da Silva CL
- Dadabaev S
- Dai L
- Dai X
- Dall'Occo E
- Dalseno J
- Daniel J
- Danilina A
- Davies JE
- Davis A
- De Aguiar Francisco O
- de Boer J
- De Bruyn K
- De Capua S
- De Cian M
- De Freitas Carneiro Da Graca U
- De Lucia E
- De Miranda JM
- De Paula L
- De Serio M
- De Simone D
- De Simone P
- De Vellis F
- de Vries JA
- Dean CT
- Debernardis F
- Decamp D
- Dedu V
- Del Buono L
- Delaney B
- Dembinski H-P
- Denysenko V
- Deschamps O
- Dettori F
- Dey B
- Di Nezza P
- Diachkov I
- Didenko S
- Dieste Maronas L
- Ding S
- Dobishuk V
- Dolmatov A
- Dong C
- Donohoe AM
- Dordei F
- Dos Reis AC
- Douglas L
- Downes AG
- Duda P
- Dudek MW
- Dufour L
- Duk V
- Durante P
- Duras MM
- Durham JM
- Dutta D
- Dziurda A
- Dzyuba A
- Easo S
- Egede U
- Egorychev V
- Eirea Orro C
- Eisenhardt S
- Ejopu E
- Ek-In S
- Eklund L
- Elashri M
- Ellbracht J
- Ely S
- Ene A
- Epple E
- Escher S
- Eschle J
- Esen S
- Evans T
- Fabiano F
- Falcao LN
- Fan Y
- Fang B
- Fantini L
- Faria M
- Farry S
- Fazzini D
- Felkowski L
- Feo M
- Fernandez Gomez M
- Fernez AD
- Ferrari F
- Ferreira Lopes L
- Ferreira Rodrigues F
- Ferreres Sole S
- Ferrillo M
- Ferro-Luzzi M
- Filippov S
- Fini RA
- Fiorini M
- Firlej M
- Fischer KM
- Fitzgerald DS
- Fitzpatrick C
- Fiutowski T
- Fleuret F
- Fontana M
- Fontanelli F
- Forty R
- Foulds-Holt D
- Franco Lima V
- Franco Sevilla M
- Frank M
- Franzoso E
- Frau G
- Frei C
- Friday DA
- Frontini L
- Fu J
- Fuehring Q
- Fulghesu T
- Gabriel E
- Galati G
- Galati MD
- Gallas Torreira A
- Galli D
- Gambetta S
- Gandelman M
- Gandini P
- Gao H
- Gao Y
- Gao Y
- Garau M
- Garcia Martin LM
- Garcia Moreno P
- Garcia Plana B
- Garcia Rosales FA
- GarcĂa Pardiñas J
- Garrido L
- Gaspar C
- Geertsema RE
- Gerick D
- Gerken LL
- Gersabeck E
- Gersabeck M
- Gershon T
- Giambastiani L
- Gibson V
- Giemza HK
- Gilman AL
- Giovannetti M
- GioventĂč A
- Gironella Gironell P
- Giugliano C
- Giza MA
- Gizdov K
- Gkougkousis EL
- Gligorov VV
- Golobardes E
- Golubkov D
- Golutvin A
- Gomes A
- Gomez Fernandez S
- Goncalves Abrantes F
- Goncerz M
- Gong G
- Gorelov IV
- Gotti C
- Grabowski JP
- Grammatico T
- Granado Cardoso LA
- Graugés E
- Graverini E
- Graziani G
- Grecu AT
- Greeven LM
- Grieser NA
- Grillo L
- Gromov S
- Gruberg Cazon BR
- Gu C
- Guarise M
- Guittiere M
- Gushchin E
- Guth A
- Guz Y
- Gys T
- Göbel C
- GĂŒnther PA
- Hadavizadeh T
- Hadjivasiliou C
- Haefeli G
- Haen C
- Haimberger J
- Haines SC
- Halewood-Leagas T
- Halvorsen MM
- Hamilton PM
- Hammerich J
- Han Q
- Han X
- Hansmann-Menzemer S
- Hao L
- Harnew N
- Harrison T
- Hasse C
- Hatch M
- He J
- Heijhoff K
- Hemmer F
- Henderson C
- Henderson RDL
- Hennequin AM
- Hennessy K
- Henry L
- Herd J
- Heuel J
- Hicheur A
- Hill D
- Hilton M
- Hollitt SE
- Horswill J
- Hou R
- Hou Y
- Hu J
- Hu J
- Hu W
- Hu X
- Huang W
- Huang X
- Hulsbergen W
- Hunter RJ
- Hushchyn M
- Hutchcroft D
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- Publication venue
- Publication date
- 01/01/2023
- Field of study
The branching fraction of the rare decay Îb0ââÎ(1520)ÎŒ+ÎŒâ is measured for the first time, in the squared dimuon mass
intervals, q2, excluding the J/Ï and Ï(2S) regions. The data
sample analyzed was collected by the LHCb experiment at center-of-mass energies
of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of $9\
\mathrm{fb}^{-1}.Theresultinthehighestq^{2}interval,q^{2} >15.0\
\mathrm{GeV}^2/c^4$, where theoretical predictions have the smallest model
dependence, agrees with the predictions.Comment: All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2022-050.html (LHCb
public pages
- âŠ