198 research outputs found
Study of Bc+ decays to the K+K−π+ final state and evidence for the decay Bc+→χc0π+
- 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+→K+K−π+ decays is performed for the first time
using data corresponding to an integrated luminosity of 3.0 fb−1
collected by the LHCb experiment in pp collisions at centre-of-mass energies
of 7 and 8 TeV. Evidence for the decay Bc+→χc0(→K+K−)π+
is reported with a significance of 4.0 standard deviations, resulting in the
measurement of
σ(B+)σ(Bc+)×B(Bc+→χc0π+) to
be (9.8−3.0+3.4(stat)±0.8(syst))×10−6.
Here B denotes a branching fraction while σ(Bc+) and
σ(B+) are the production cross-sections for Bc+ and B+ mesons.
An indication of bˉc weak annihilation is found for the region
m(K−π+)<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
The global burden of neonatal hypothermia: systematic review of a major challenge for newborn survival
- Author
- A Bergstrom
- A Briend
- A Costello
- AE Orimadegun
- AL Fransson
- AML de Costello
- AT Bang
- AT Bang
- CJ Gill
- CJ Murray
- CT Sreeramareddy
- D Dragovich
- D Moher
- D Osrin
- DA Green
- David E Bloom
- Davidson H Hamer
- DC Morley
- Dean T Jamison
- DH Hamer
- DS Manandhar
- EF Bell
- F Nayeri
- F Zayeri
- F Zayeri
- FC Cheah
- GL Darmstadt
- GL Darmstadt
- HE Chitty
- HP Sachdev
- J Zabelle
- J Zupan
- JE Lawn
- JE Lawn
- JE Lawn
- JI Takayama
- JK Rajaratnam
- JR Goldsmith
- K Christensson
- K Christensson
- K Lunze
- Karsten Lunze
- L Thairu
- LC Mullany
- LC Mullany
- LC Mullany
- LC Mullany
- LC Mullany
- LM Cardona Torres
- M Ellis
- M Ellis
- M Sodemann
- MC Reilly
- MJ Mance
- MX Li
- MZ Oestergaard
- N Manandhar
- N Singhal
- N Tafari
- NB Mathur
- R Byaruhanga
- R Johanson
- R Kambarami
- R Kambarami
- R Knobel
- R Kumar
- R Lenclen
- R Tunell
- RB Johanson
- RB Johanson
- RB Johanson
- RB Johanson
- RB Knobel
- RE Black
- RP Suman
- S Agarwal
- S Chantaroj
- SD Iyengar
- SM da Mota Silveira
- SP Choudhary
- TA Ogunlesi
- TA Ogunlesi
- The American Academy of Pediatrics
- V Kumar
- XC Ji
- Z Hill
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study
Test of lepton universality in b→sℓ+ℓ− 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
- 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
- Desse F
- 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 ME
- 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 LF
- Feo M
- Fernandez Gomez M
- Fernez AD
- Ferrari F
- Ferreira Lopes L
- Ferreira Rodrigues F
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- Zhelezov A
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- Zhukov V
- Zou Q
- Zucchelli S
- Zuliani D
- Zunica G
- Publication venue
- Publication date
- 18/12/2022
- Field of study
The first simultaneous test of muon-electron universality using
B+→K+ℓ+ℓ− and B0→K∗0ℓ+ℓ− 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 fb−1. 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 B+c → D0K+ decays
- Author
- Aaij R
- Adeva B
- Adinolfi M
- Ajaltouni Z
- Akar S
- Albrecht J
- Alessio F
- Alexander M
- Ali S
- Alkhazov G
- Alvarez Cartelle P
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- Amato S
- Amerio S
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- Andreassi G
- Andreotti M
- Andrews JE
- Appleby RB
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- Aslanides E
- Auriemma G
- Baalouch M
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- Back JJ
- Badalov A
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- Baker S
- Balagura V
- Baldini W
- Barlow RJ
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- Barter W
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- Baszczyk M
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- Batsukh B
- Battista V
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- Beddow J
- Bedeschi F
- Bediaga I
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- Bellee V
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- Belyaev I
- Ben-Haim E
- Bencivenni G
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- Bertolin A
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- Krokovny P
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- Krzemien W
- Kucewicz W
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- Kudryavtsev V
- Kuonen AK
- Kurek K
- Kvaratskheliya T
- Lacarrere D
- Lafferty G
- Lai A
- Lanfranchi G
- Langenbruch C
- Latham T
- Lazzeroni C
- Le Gac R
- Leflat A
- Lefrançois J
- Lefèvre R
- Lemaitre F
- Lemos Cid E
- Leroy O
- Lesiak T
- Leverington B
- LHCb Collaboration
- Li T
- Li Y
- Likhomanenko T
- Lindner R
- Linn C
- Lionetto F
- 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
- Marinangeli M
- Marino P
- Marks J
- Martellotti G
- Martin M
- Martinelli M
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- Wislicki W
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- Wotton SA
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- Wyllie K
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- Xu Z
- Yang Z
- Yao Y
- Yin H
- Yu J
- Yuan X
- Yushchenko O
- Zarebski KA
- Zavertyaev M
- Zhang L
- Zhang Y
- Zhang Y
- Zhelezov A
- Zheng Y
- Zhu X
- Zhukov V
- Zucchelli S
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/2017
- Field of study
Using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb−1, recorded by
the LHCb detector at center-of-mass energies of 7 and 8 TeV, the B+
c → D0K+ decay is observed with a
statistical significance of 5.1 standard deviations. By normalizing to B+ → D¯ 0π+ decays, a measurement of
the branching fraction multiplied by the production rates for B+
c relative to B+ mesons in the LHCb
acceptance is obtained, R
D
0
K
=
(
f
c
/
f
u
)
×
B
(
B
+
c
→
D
0
K
+
)
=
(
9.
3
+
2.8
−
2.5
±
0.6
)
×
10
−
7, where the first
uncertainty is statistical and the second is systematic. This decay is expected to proceed predominantly
through weak annihilation and penguin amplitudes, and is the first B+
c decay of this nature to be observed
Precision measurement of CP violation in the penguin-mediated decay Bs0→ϕϕ
- Author
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- Hushchyn M
- Hutchcroft D
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- Idzik M
- Ilin D
- Ilten P
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- Iniukhin A
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- Ivshin K
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- Jage H
- Jaimes Elles SJ
- Jakobsen S
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- Jashal BK
- Jawahery A
- Jevtic V
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- Juszczak I
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- Kirsebom VS
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- Konoplyannikov A
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- Salomoni M
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- Sanderswood I
- Santacesaria R
- Santamarina Rios C
- Santimaria M
- Santoro L
- Santovetti E
- Saranin D
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- Scarabotto A
- Schael S
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- Schindler H
- Schmelling M
- Schmidt B
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- Schune MH
- Schwemmer R
- Schwering G
- Sciascia B
- Sciuccati A
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- Seuthe A
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- Shangase DM
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- Shchemerov I
- Shchutska L
- Shears T
- Shekhtman L
- Shen Z
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- Shevchenko V
- Shi B
- Shields EB
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- Silva Coutinho R
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- Simone S
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- Skwarnicki T
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- Smallwood JC
- Smeaton JG
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- Soler FJP
- Solomin A
- Solovev A
- Solovyev I
- Song R
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- Spadaro Norella E
- Spedicato E
- Speer JG
- Spiridenkov E
- Spradlin P
- Sriskaran V
- Stagni F
- Stahl M
- Stahl S
- Stanislaus S
- Stein EN
- Steinkamp O
- Stenyakin O
- Stevens H
- Strekalina D
- Su YS
- Suljik F
- Sun J
- Sun L
- Sun Y
- Swallow PN
- Swientek K
- Szabelski A
- Szumlak T
- Szymanski M
- T'Jampens S
- Tan Y
- Taneja S
- Tat MD
- Terentev A
- Teubert F
- Thomas E
- Thompson DJD
- Tilquin H
- Tisserand V
- Tobin M
- Tomassetti L
- Tonani G
- Tong X
- Torres Machado D
- Toscano L
- Tou DY
- Trippl C
- Tuci G
- Tuning N
- Ukleja A
- Unverzagt DJ
- Usachov A
- Ustyuzhanin A
- Uwer U
- Vagnoni V
- Valassi A
- Valenti G
- Valls Canudas N
- 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
- Vesterinen M
- Vieira D
- Vieites Diaz M
- Vilasis-Cardona X
- Vilella Figueras E
- Villa A
- Vincent P
- Volle FC
- Vom Bruch D
- Vorobyev V
- Voropaev N
- Vos K
- Vrahas C
- Vázquez Sierra C
- Walsh J
- Walton EJ
- Wan G
- Wang C
- Wang G
- 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
- 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
- Wu J
- Wu Y
- Wyllie K
- Xiang Z
- Xie Y
- Xu A
- Xu J
- Xu L
- Xu L
- Xu M
- Xu Q
- Xu Z
- Xu Z
- Xu Z
- Yang D
- Yang S
- Yang X
- Yang Y
- Yang Z
- Yang Z
- Yeroshenko V
- Yeung H
- Yin H
- Yu J
- Yuan X
- Zaffaroni E
- Zavertyaev M
- Zdybal M
- Zeng M
- Zhang C
- Zhang D
- Zhang JZ
- Zhang L
- Zhang S
- Zhang S
- Zhang Y
- Zhang Y
- Zhao Y
- Zharkova A
- Zhelezov A
- Zheng Y
- Zhou T
- Zhou X
- Zhou Y
- Zhovkovska V
- Zhu X
- Zhu X
- Zhu Z
- Zhukov V
- Zhuo J
- Zou Q
- Zucchelli S
- Zuliani D
- Zunica G
- Publication venue
- Publication date
- 01/01/2023
- Field of study
A flavor-tagged time-dependent angular analysis of the decay
Bs0→ϕϕ is performed using pp collision data collected
by the LHCb experiment at % at s=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 ϕssˉs=−0.042±0.075±0.009 rad and
∣λ∣=1.004±0.030±0.009, respectively, assuming the same values
for all polarization states of the ϕϕ 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 ϕssˉs=−0.074±0.069 rad and ∣lambda∣=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
Measurement of the B_{s}^{0}→μ^{+}μ^{-} Branching Fraction and Effective Lifetime and Search for B^{0}→μ^{+}μ^{-} Decays.
- Author
- Aaij R
- Adeva B
- Adinolfi M
- Ajaltouni Z
- Akar S
- Albrecht J
- Alessio F
- Alexander M
- Ali S
- Alkhazov G
- Alvarez Cartelle P
- Alves AA
- Amato S
- Amerio S
- Amhis Y
- An L
- Anderlini L
- Andreassi G
- Andreotti M
- Andrews JE
- Appleby RB
- Archilli F
- Arnau Romeu J
- Artamonov A
- Artuso M
- Aslanides E
- Auriemma G
- Baalouch M
- Babuschkin I
- Bachmann S
- Back JJ
- Badalov A
- Baesso C
- Baker S
- Balagura V
- Baldini W
- Baranov A
- Barlow RJ
- Barschel C
- Barsuk S
- Barter W
- Baryshnikov F
- Baszczyk M
- Batozskaya V
- Batsukh B
- Battista V
- Bay A
- Beaucourt L
- Beddow J
- Bedeschi F
- Bediaga I
- Beiter A
- Bel LJ
- Bellee V
- Belloli N
- Belous K
- Belyaev I
- Ben-Haim E
- Bencivenni G
- Benson S
- Beranek S
- Berezhnoy A
- Bernet R
- Bertolin A
- Betancourt C
- Betti F
- Bettler M-O
- Bezshyiko Ia
- Bifani S
- Billoir P
- Birnkraut A
- Bitadze A
- Bizzeti A
- Blake T
- Blanc F
- Blouw J
- Blusk S
- Bocci V
- Boettcher T
- Bondar A
- Bondar N
- Bonivento W
- Bordyuzhin I
- Borgheresi A
- Borghi S
- Borisyak M
- Borsato M
- Bossu F
- Boubdir M
- Bowcock TJV
- Bowen E
- Bozzi C
- Braun S
- 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
- Campora Perez DH
- Capriotti L
- Carbone A
- Carboni G
- Cardinale R
- Cardini A
- Carniti P
- Carson L
- Carvalho Akiba K
- Casse G
- Cassina L
- Castillo Garcia L
- Cattaneo M
- Cavallero G
- Cenci R
- Chamont D
- Charles M
- Charpentier Ph
- Chatzikonstantinidis G
- Chefdeville M
- Chen S
- Cheung SF
- Chobanova V
- Chrzaszcz M
- Chubykin A
- Cid Vidal X
- Ciezarek G
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
- Coco V
- Cogan J
- Cogneras E
- Cogoni V
- Cojocariu L
- Collins P
- Comerma-Montells A
- Contu A
- Cook A
- Coombs G
- Coquereau S
- Corti G
- Corvo M
- Costa Sobral CM
- Couturier B
- Cowan GA
- Craik DC
- Crocombe A
- Cruz Torres M
- Cunliffe S
- Currie R
- D'Ambrosio C
- d'Argent P
- Da Cunha Marinho F
- Dall'Occo E
- Dalseno J
- David PNY
- 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 JA
- Dean CT
- Decamp D
- Deckenhoff M
- Del Buono L
- Demmer M
- Dendek A
- Derkach D
- Deschamps O
- Dettori F
- Dey B
- Di Canto A
- Dijkstra H
- Dordei F
- Dorigo M
- Dos Reis AC
- Dosil Suárez A
- Dovbnya A
- Dreimanis K
- Dufour L
- Dujany G
- Dungs K
- Durante P
- Dzhelyadin R
- Dziurda A
- Dzyuba A
- Déléage N
- Easo S
- Ebert M
- Egede U
- Egorychev V
- Eidelman S
- Eisenhardt S
- Eitschberger U
- Ekelhof R
- Eklund L
- Ely S
- Esen S
- Evans HM
- Evans T
- Falabella A
- Farley N
- Farry S
- Fay R
- Fazzini D
- Ferguson D
- Fernandez Prieto A
- Fernandez G
- 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
- Franco Lima V
- Frank M
- Frei C
- Fu J
- Funk W
- Furfaro E
- Färber C
- Gallas Torreira A
- Galli D
- Gallorini S
- Gambetta S
- Gandelman M
- Gandini P
- Gao Y
- Garcia Martin LM
- García Pardiñas J
- Garra Tico J
- Garrido L
- Garsed PJ
- Gascon D
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- Gazzoni G
- Gerick D
- Gersabeck E
- Gersabeck M
- Gershon T
- Ghez Ph
- Gianì S
- Gibson V
- Girard OG
- Giubega L
- Gizdov K
- Gligorov VV
- Golubkov D
- Golutvin A
- Gomes A
- Gorelov IV
- Gotti C
- Govorkova E
- Graciani Diaz R
- Granado Cardoso LA
- Graugés E
- Graverini E
- Graziani G
- Grecu A
- Greim R
- Griffith P
- Grillo L
- Gruberg Cazon BR
- Grünberg O
- Gushchin E
- Guz Yu
- Gys T
- Göbel C
- Hadavizadeh T
- Hadjivasiliou C
- Haefeli G
- Haen C
- Haines SC
- 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
- Heß M
- Hicheur A
- Hill D
- Hombach C
- Hopchev PH
- Huard Z-C
- Hulsbergen W
- Humair T
- Hushchyn M
- Hutchcroft D
- Idzik M
- Ilten P
- Jacobsson R
- Jalocha J
- Jans E
- Jawahery A
- Jiang F
- John M
- Johnson D
- Jones CR
- Joram C
- Jost B
- Jurik N
- Kandybei S
- Karacson M
- Kariuki JM
- Karodia S
- Kecke M
- Kelsey M
- Kenzie M
- Ketel T
- Khairullin E
- Khanji B
- Khurewathanakul C
- Kirn T
- Klaver S
- Klimaszewski K
- Klimkovich T
- Koliiev S
- Kolpin M
- Komarov I
- Koppenburg P
- Kosmyntseva A
- Kotriakhova S
- 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
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- Langenbruch C
- Latham T
- Lazzeroni C
- Le Gac R
- Leflat A
- Lefrançois J
- Lefèvre R
- Lemaitre F
- Lemos Cid E
- Leroy O
- Lesiak T
- Leverington B
- LHCb Collaboration
- Li T
- Li Y
- Li Z
- Likhomanenko T
- Lindner R
- Lionetto F
- 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
- Marinangeli M
- 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
- Maurice E
- Maurin B
- Mazurov A
- McCann M
- McNab A
- McNulty R
- Meadows B
- Meier F
- 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
- Morello MJ
- Morgunova O
- Moron J
- Morris AB
- Mountain R
- Muheim F
- Mulder M
- Mussini M
- Müller D
- Müller J
- Müller K
- Müller V
- Naik P
- Nakada T
- Nandakumar R
- Nandi A
- Nasteva I
- Needham M
- Neri N
- Neubert S
- Neufeld N
- Neuner M
- Nguyen TD
- Nguyen-Mau C
- Nieswand S
- Niet R
- Nikitin N
- Nikodem T
- Nogay A
- 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
- Palutan M
- Papanestis A
- Pappagallo M
- Pappalardo LL
- Pappenheimer C
- Parker W
- Parkes C
- Passaleva G
- Pastore A
- Patel M
- Patrignani C
- Pearce A
- Pellegrino A
- Penso G
- Pepe Altarelli M
- Perazzini S
- Perret P
- Perrin-Terrin M
- Pescatore L
- Petridis K
- Petrolini A
- Petrov A
- Petruzzo M
- Picatoste Olloqui E
- Pietrzyk B
- Pikies M
- Pinci D
- Pistone A
- Piucci A
- Placinta V
- Playfer S
- Plo Casasus M
- Poikela T
- Polci F
- Poli Lener M
- Poluektov A
- Polyakov I
- Polycarpo E
- Pomery GJ
- Ponce S
- Popov A
- Popov D
- Popovici B
- Poslavskii S
- Potterat C
- Price E
- Prisciandaro J
- Prouve C
- Pugatch V
- Puig Navarro A
- Punzi G
- Qian C
- Qian W
- Quagliani R
- Rachwal B
- Rademacker JH
- Rama M
- Ramos Pernas M
- Rangel MS
- Raniuk I
- Ratnikov F
- 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
- Rodriguez Perez P
- Rogozhnikov A
- Roiser S
- Rollings A
- Romanovskiy V
- Romero Vidal A
- Ronayne JW
- Rotondo M
- Rudolph MS
- Ruf T
- Ruiz Valls P
- Saborido Silva JJ
- Sadykhov E
- Sagidova N
- Saitta B
- Salustino Guimaraes V
- Sanchez Gonzalo D
- 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
- Schreiner HF
- Schubert K
- Schubiger M
- Schune M-H
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- 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
- Siddi BG
- Silva Coutinho R
- Silva de Oliveira L
- Simi G
- Simone S
- Sirendi M
- Skidmore N
- Skwarnicki T
- Smith E
- Smith IT
- Smith J
- Smith M
- Soares Lavra L
- Sokoloff MD
- Soler FJP
- Souza De Paula B
- Spaan B
- Spradlin P
- Sridharan S
- Stagni F
- Stahl M
- Stahl S
- Stefko P
- Stefkova S
- Steinkamp O
- Stemmle S
- Stenyakin O
- Stevens H
- Stoica S
- Stone S
- Storaci B
- Stracka S
- Stramaglia ME
- 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 E
- Tilley MJ
- Tisserand V
- Tobin M
- Tolk S
- Tomassetti L
- Tonelli D
- Topp-Joergensen S
- Toriello F
- Tourinho Jadallah Aoude R
- 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
- van Beuzekom M
- van Herwijnen E
- van Leerdam J
- van Tilburg J
- van Veghel M
- Vazquez Gomez R
- Vazquez Regueiro P
- Vecchi S
- Velthuis JJ
- Veltri M
- Veneziano G
- Venkateswaran A
- Verlage TA
- Vernet M
- Vesterinen M
- Viana Barbosa JV
- Viaud B
- Vieira D
- Vieites Diaz M
- Viemann H
- Vilasis-Cardona X
- Vitti M
- Volkov V
- Vollhardt A
- Voneki B
- Vorobyev A
- Vorobyev V
- Voß C
- Vázquez Sierra 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
- Winn MA
- Wishahi J
- Wislicki W
- Witek M
- Wormser G
- Wotton SA
- Wraight K
- Wyllie K
- Xie Y
- Xing Z
- Xu Z
- Yang Z
- Yang Z
- Yao Y
- Yin H
- Yu J
- Yuan X
- Yushchenko O
- Zarebski KA
- Zavertyaev M
- Zhang L
- Zhang Y
- Zhelezov A
- Zheng Y
- Zhu X
- Zhukov V
- Zucchelli S
- Publication venue
- Phys Rev Lett
- Publication date
- 01/01/2016
- Field of study
A search for the rare decays B_{s}^{0}→μ^{+}μ^{-} and B^{0}→μ^{+}μ^{-} is performed at the LHCb experiment using data collected in pp collisions corresponding to a total integrated luminosity of 4.4 fb^{-1}. An excess of B_{s}^{0}→μ^{+}μ^{-} decays is observed with a significance of 7.8 standard deviations, representing the first observation of this decay in a single experiment. The branching fraction is measured to be B(B_{s}^{0}→μ^{+}μ^{-})=(3.0±0.6_{-0.2}^{+0.3})×10^{-9}, where the first uncertainty is statistical and the second systematic. The first measurement of the B_{s}^{0}→μ^{+}μ^{-} effective lifetime, τ(B_{s}^{0}→μ^{+}μ^{-})=2.04±0.44±0.05 ps, is reported. No significant excess of B^{0}→μ^{+}μ^{-} decays is found, and a 95% confidence level upper limit, B(B^{0}→μ^{+}μ^{-})<3.4×10^{-10}, is determined. All results are in agreement with the standard model expectations
Observation of a resonant structure near the Ds+Ds− threshold in the B+→Ds+Ds−K+ decay
- Author
- Aaij R
- Abdelmotteleb ASW
- Abellan Beteta C
- Abudinén F
- Ackernley T
- Adeva B
- Adinolfi M
- Afsharnia H
- Agapopoulou C
- Aidala CA
- Aiola S
- Ajaltouni Z
- Akar S
- Akiba K
- 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
- 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
- Belavin V
- 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
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- Zdybal M
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- 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+→Ds+Ds−K+ 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+Ds− 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 ccˉssˉ quarks. Evidence for an additional structure is
found around 4140 MeV in the Ds+Ds− invariant mass, which might be
caused either by a new resonance with the 0++ assignment or by a J/ψϕ↔Ds+Ds− 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 Λb0→Λ(1520)μ+μ− 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
- 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
- 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
- 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
- Clarke PEL
- Clemencic M
- Cliff HV
- Closier J
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- Publication venue
- Publication date
- 01/01/2023
- Field of study
The branching fraction of the rare decay Λb0→Λ(1520)μ+μ− is measured for the first time, in the squared dimuon mass
intervals, q2, excluding the J/ψ and ψ(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
Observation of Two New Excited Ξb0 States Decaying to Λb0 K-π+
- Author
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- Wyllie K
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- Yao Y
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- Yin H
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- Zaffaroni E
- Zavertyaev M
- Zdybal M
- Zenaiev O
- Zeng M
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- Zharkova A
- Zhelezov A
- Zheng Y
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- Zhovkovska V
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- Zhukov V
- Zonneveld JB
- Zou Q
- Zucchelli S
- Zuliani D
- Zunica G
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/2022
- Field of study
Two narrow resonant states are observed in the Λb0K-π+ 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 Λb0K-π+ system indicates that these are excited Ξb0 baryons. The masses of the Ξb(6327)0 and Ξb(6333)0 states are m[Ξb(6327)0]=6327.28-0.21+0.23±0.12±0.24 and m[Ξb(6333)0]=6332.69-0.18+0.17±0.03±0.22 MeV, respectively, with a mass splitting of Δm=5.41-0.27+0.26±0.12 MeV, where the uncertainties are statistical, systematic, and due to the Λb0 mass measurement. The measured natural widths of these states are consistent with zero, with upper limits of Γ[Ξb(6327)0]<2.20(2.56) and Γ[Ξb(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 Ξb0 resonances
Measurement of the B0s →J/ψη lifetime
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- Publication venue
- 'Elsevier BV'
- Publication date
- 01/01/2016
- Field of study
Using a data set corresponding to an integrated luminosity of 3 fb−1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the Bs0→J/ψη decay mode, τeff, is measured to be
τeff=1.479±0.034 (stat)±0.011 (syst) ps. Assuming CP conservation, τeff corresponds to the lifetime of the light Bs0 mass eigenstate. This is the first measurement of the effective lifetime in this decay mode
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