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Observation of $B^0_s\rightarrow\chi_{c1}\phi$ decay and study of $B^0\rightarrow\chi_{c1,2}K^{*0}$ decays

R Aaij,P Hopchev,P Gandini,S Cadeddu,I Bediaga,A Contu,M Calvo Gomez,S Tjampens,I V Machikhiliyan,A A Alves,S Farry,P Morawski, B Souza De Paula,B Khanji,D Campora Perez,C Prouve,J Garofoli,S Donleavy,S Hansmannmenzemer,Z Xing,M Seco,G Busetto,R B Appleby,J J Back,L Wiggers,A Gallas Torreira,W C Zhang,F Stagni,M Sirendi,L De Paula,Balagura,Vorobyev,Coco,C Fitzpatrick,B Gui,Salustino Guimaraes,E Gushchin,A Ukleja,S Stoica,O Maev,S Gregson,M Alexander,L Giubega,R Le Gac,E Smith,G Manca,F Maciuc,M Teklishyn,M Van Beuzekom, Shujing Wu,C Potterat,C Dambrosio,H Dijkstra,David J Hill,J M Otalora Goicochea,R Lindner,T Brambach,P Alvarez Cartelle,G Pessina,G Carboni, M Chrzaszcz,T E Latham,G Wilkinson,O Steinkamp,J Marks,M Dogaru,D Derkach,Gibson,P Schaack,W Baldini, C Vos,L A Granado Cardoso,Wei Qian,S Roiser,C Satriano,A Perezcalero Yzquierdo,A Ustyuzhanin,P Seyfert,M Grabalosa Gandara,A Oblakowskamucha,J Bressieux,F Dettori,M Kaballo,F Muheim,A Papanestis,A Di Canto,C Santamarina Rios,E Santovetti,P De Simone,P Henrard,J Rouvinet,S Oggero,M Nicol,Z Ajaltouni,S Malde,G Auriemma,R Dzhelyadin,X Vilasiscardona,A Novoselov,C J Parkinson,T Pilař,A Bien,P David,J A Hernando Morata,F Blanc,P Sail,K Wyllie,M M Reid,R F Koopman,F Ferreira Rodrigues, O Kochebina,I R Kenyon,G Mancinelli,J Wicht,O Schneider,R Mountain,M Artuso,H Gordon,J Prisciandaro, R Marki,S Vecchi,B Sciascia,N Nikitin,J J Velthuis,G Punzi,M Britsch,S Bifani,A Vallier,F J P Soler,G Martellotti,M Korolev,T Hartmann,T Gershon,M Schmelling,Z Yang,D Johnson,A Keune,A Zhelezov,I De Bonis,G Ciezarek,B Storaci,M Charles,H Ruiz,T Shears,G Lanfranchi,J Panman,L Carson,R Gauld,A Poluektov,Ch Elsasser,S Eidelman,Bocci,K Ciba,T Szumlak,N K Watson,M Savrie,P Collins,H Schindler,B Saitta,N A Smith,S Blusk,N H Brook,T D Bird,D Van Eijk,J Van Leerdam,M Sapunov,Pugatch,Adam S Davis,R Wallace, John D Mccarthy,Samuel D Wright,D Golubkov,D Lambert,J Rademacker,D Pinci,R Graciani Diaz, A D Nguyen,M Witek,A Mcnab,A Dzyuba,A Nomerotski, M Sannino,K De Bruyn,J Luisier,R Forty,B Rakotomiaramanana,A Petrolini,Obraztsov,A Pazos Alvarez,P Ruiz Valls,E Polycarpo,S De Capua,M Martinelli,K Kreplin,A Powell,D Martins Tostes,M Adinolfi,C Hombach,C Salzmann,A Tsaregorodtsev,H Luo,Pu Chen,M Straticiuc,F Bedeschi,D Elsby,Niess,A Grecu,A Falabella,D Dossett,T M Karbach,A Artamonov,F Machefert,C Parkes,E Thomas,N Deleage,S Monteil,E Aslanides,J Serrano,A Berezhnoy,J Garra Tico,M P Williams,J Wishahi,T Huse,M Gandelman, R Lefevre,M Vesterinen,R Bernet,E Perez Trigo,A Puig Navarro,A Zhokhov,A Carbone,A Kozlinskiy,M Calvi,X Cid Vidal,C Gaspar,M Merk,M H Schune,D Galli,C Langenbruch,A Semennikov,M Kucharczyk,Yu Guz,G D Patel,Ch Cauet,D C Craik,S C Haines,X Yuan,B Muster, Syed F Ali,K Hennessy,M Patel,O Francisco,L Del Buono,Shevchenko,J Lefrancois,M Shapkin,O A Shevchenko,B Popovici,S Toppjoergensen,Iakovenko,A Pellegrino,A Bondar,S Perazzini,R Ekelhof,D Voong,T Britton,N Bondar, R Muresan,S Playfer,B Pietrzyk,D Tonelli,J Wimberley,G Passaleva,T Nikodem,F Alessio,I Raniuk,Syropoulos,E Teodorescu,C Lazzeroni,D Volyanskyy,P Krokovny,G Valenti,P Shatalov,L Anderlini, E Tournefier,E Maurice,Heijne, M Ubeda Garcia,S Swientek,N Torr,M Perrinterrin,M Cattaneo,D Ferguson,M Palutan,N Sagidova,S Tolk,U Egede,D Decamp,R Matev,F Meier,D Lacarrere,G Cowan,H V Cliff,J Blouw,S Stone,M Orlandea,S Redford,R J Barlow,S Kandybei,L Castillo Garcia,G Krocker,E Hicks,T Hampson,O Leroy,R Mcnulty,L Shekhtman, A Leflat,Vagnoni,R Santacesaria,P Spradlin, Jeffrey P Harrison,I Belyaev,J Molina Rodriguez,C Barschel,P Owen,U Straumann,R Cardinale,T Blake,R Schwemmer,H Voss,D R Ward,T Skwarnicki,A Schopper,N Rauschmayr,B Sanmartin Sedes,A Bizzeti,M Baalouch,B T Meadows,Ph Charpentier,H Brown,A Vollhardt,A Morda,A Jaeger,M N Minard,I El Rifai,G Graziani,J P Lees,K Rinnert,S Ogilvy,G Veneziano,M O Bettler,R Waldi,Mark A Smith,S Hall, S Belogurov,J G Smith,Yan Xie,J Cogan, Liliana B Garrido,A Vorobyev,Yan Li,M Schiller,T Gys,Egorychev,K Belous,N Neufeld,A Bay,D Martinez Santos,S Barsuk,R Currie, L Li Gioi,P Szczypka,S Borghi,M Frank,S Ricciardi,G Sabatino,B K Pal,T Ruf,S Leo,I Mous,M Van Dijk,M Karacson,Z Mathe,A Sciubba,S Neubert,P Koppenburg,F Archilli,F Teubert,A Cook,M Gersabeck,E Cogneras,F Kruse, Steven A Benson,G Penso,E Gersabeck,O Aquines Gutierrez,E Benhaim,C Matteuzzi,E Bowen,G D Lafferty,W Bonivento,T J Bowcock,J Benton,Yanyan Gao,J Buytaert,S Furcas,R Niet,D Savrina,R Cenci,B Spaan,C Vazquez Sierra, P Garosi,S Eisenhardt,Rives Molina,A Shires,M Idzik,J M De Miranda,C R Jones,I Burducea,G Corti,S Amato,A Lai,M Needham,A Camboni,Gligorov, C Farber,S Coquereau,Hong Lu,M Liles,C Thomas,G Fardell,S Amerio,S Wandernoth,S A Wotton,Genrong Liu,M Pepe Altarelli,Bo Liu,O Deschamps,M Plo Casasus,A Dziurda,E Van Herwijnen, C Patrignani,A Dosil Suarez,K Carvalho Akiba,M T Tran,E Grauges,B Mc Skelly,T Ketel,C Nguyenmau,Th Bauer,C Farinelli,F F Wilson,Jinliang He,E Jans,J Van Den Brand,P Campana,A Bursche,J Albrecht,P Naik,P Rodriguez Perez,A Comermamontells,Michael C Fiore,D Urner,M Coombes,D Lucchesi,A C Dos Reis,O Grunberg,M Pappagallo,A Phan,C Wallace,F Jing,F Di Ruscio,D Wiedner,A Sparkes,D Popov,B Muryn,A V Popov,M Zangoli,A Satta,C Linn,R Oldeman,M D Sokoloff,B Adeva,L Kravchuk,I Shapoval,M Veltri,A Mazurov,A Zvyagin,R W Lambert,J E Andrews,B Viaud,J Wiechczynski,U Eitschberger,Kudryavtsev,A Massafferri,W Kanso,E Furfaro,M Schlupp,J H Lopes,I Komarov,B Couturier,I Nasteva,G Haefeli,N Chiapolini,D Souza,Alexander Richards,F Ruffini,R Jacobsson,R Nandakumar,C Joram,M Szczekowski,S Stahl,Ph Ghez,P Ilten,C Bozzi,T Kvaratskheliya,Y Amhis,E Rodrigues,Tisserand,D E Hutchcroft,A Golutvin,P Vazquez Regueiro, Jinfeng Wang,I Longstaff, A Cardini,L Eklund,T D Nguyen, P M Bjornstad,Ivan Polyakov,M Tobin,M S Rangel,U Marconi,C Coca, C Pavelnicorescu,W Barter,Jonathan Anderson,O Yushchenko, G Alkhazov,N Serra,D A Roa Romero,S Filippov,O Callot,C Frei,N Hussain,D A Milanes,J J Saborido Silva, F Dordei,A Palano,Bridget Hamilton,M Ferroluzzi,G N Patrick,Y Shcheglov,Fernandez Albor, B Schmidt,F Polci,J Van Tilburg,V K Subbiah,F Soomro, H Carranzamejia,N Lopezmarch,P E L Clarke,D Moran,A Pritchard,O Okhrimenko, P Jaton,M Meissner,T Lesiak,P Hunt,Fave,M Zavertyaev,A Hicheur,C Baesso,R Vazquez Gomez, B Leverington,A Martens,I Sepp,D Websdale,S Tourneur,W De Silva,G Raven,J Closier,S Cunliffe,K Petridis,N Tuning,P Robbe,F Dupertuis,A Gomes,R Silva Coutinho,F Fontanelli,A Martin Sanchez,P Perret,S Easo,A Oyanguren,M Hoballah,J Beddow,C Gobel,M Tresch, Yuqiu Zhang,A Dovbnya,M Clemencic,D Vieira,Fan Zhang,P Tsopelas, L Zhang,C Haen,M Holtrop,G Casse,M John,W Hulsbergen,T Nakada, C Adrover,S T Harnew,M J Morello,Licheng Sun,Li Zhong,Marianna Fontana,P Griffith,C Hadjivasiliou,S Lohn,A Sarti,A Jawahery,M Whitehead,A Borgia,E Picatoste Olloqui,M Frosini,M Kreps,R Young,G Bencivenni,N Harnew,V N La Thi,R Andreassen,U Uwer,A Affolder,S Bachmann,A D Webber,K Muller,M De Cian,G Polok,A Romero Vidal,D Brett,E Lanciotti,E Greening,B Jost,Romanovsky,M Deckenhoff,T Head,D Hynds

Nuclear Physics(2013)

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摘要
The first observation of the decay $B^0_s\\rightarrow\\chi_{c1}\\phi$ and a study of $B^0\\rightarrow\\chi_{c1,2}K^{*0}$ decays are presented. The analysis is performed using a dataset, corresponding to an integrated luminosity of 1.0 fb$^{-1}$, collected by the LHCb experiment in pp collisions at a centre-of-mass energy of 7 TeV. The following ratios of branching fractions are measured: \\begin{equation*} \\begin{array}{lll} \\dfrac{\\cal{B}(B^0_s\\rightarrow\\chi_{c1}\\phi)}{\\cal{B}(B^0_s\\rightarrow J/\\psi\\phi)} \u0026=\u0026 (18.9 \\pm1.8\\,(stat)\\pm1.3\\,(syst)\\pm0.8\\,(\\cal{B})) \\times 10^{-2}, \\nonumber \\\\ \\noalign{\\vskip 3pt} \\dfrac{\\cal{B}(B^0\\rightarrow\\chi_{c1}K^{*0})}{\\cal{B}(B^0\\rightarrow J/\\psiK^{*0})} \u0026=\u0026 (19.8 \\pm1.1\\,(stat)\\pm1.2\\,(syst)\\pm0.9\\,(\\cal{B})) \\times 10^{-2}, \\nonumber \\\\ \\noalign{\\vskip 3pt} \\dfrac{\\cal{B}(B^0\\rightarrow\\chi_{c2}K^{*0})}{\\cal{B}(B^0\\rightarrow\\chi_{c 1}K^{*0})} \u0026=\u0026 (17.1 \\pm5.0\\,(stat)\\pm1.7\\,(syst)\\pm1.1\\,(\\cal{B})) \\times 10^{-2}, \\nonumber \\\\ \\noalign{\\vskip 3pt} \\end{array} \\end{equation*} \\noindent where the third uncertainty is due to the limited knowledge of the branching fractions of ${\\chi_{c}\\rightarrow J/\\psi \\gamma}$ modes.
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