通过对\(B^{+}→J/ψϕK^{+}\)衰变进行振幅分析观察到与奇特态一致的\(J/ψϕ\)结构
Observation of J/ψϕ Structures Consistent with Exotic States from Amplitude Analysis of B^{+}→J/ψϕK^{+} Decays.
作者信息
Aaij R, Adeva B, Adinolfi M, Ajaltouni Z, Akar S, Albrecht J, Alessio F, Alexander M, Ali S, Alkhazov G, Alvarez Cartelle P, Alves A A, Amato S, Amerio S, Amhis Y, An L, Anderlini L, Andreassi G, Andreotti M, Andrews J E, Appleby R B, Aquines Gutierrez O, Archilli F, d'Argent P, Arnau Romeu J, Artamonov A, Artuso M, Aslanides E, Auriemma G, Baalouch M, Babuschkin I, Bachmann S, Back J J, Badalov A, Baesso C, Baldini W, Barlow R J, Barschel C, Barsuk S, Barter W, Batozskaya V, Batsukh B, Battista V, Bay A, Beaucourt L, Beddow J, Bedeschi F, Bediaga I, Bel L J, 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, van Beuzekom M, Bezshyiko I, 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 T J V, 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, Campora Perez D, 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, Cauet Ch, Cavallero G, 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 P E L, Clemencic M, Cliff H V, Closier J, Coco V, Cogan J, Cogneras E, Cogoni V, Cojocariu L, Collazuol G, Collins P, Comerma-Montells A, Contu A, Cook A, Coquereau S, Corti G, Corvo M, Costa Sobral C M, Couturier B, Cowan G A, Craik D C, Crocombe A, Cruz Torres M, Cunliffe S, Currie R, D'Ambrosio C, Dall'Occo E, Dalseno J, David P N Y, Davis A, De Aguiar Francisco O, De Bruyn K, De Capua S, De Cian M, De Miranda J M, De Paula L, De Serio M, De Simone P, Dean C-T, Decamp D, Deckenhoff M, Del Buono L, Demmer M, Derkach D, Deschamps O, Dettori F, Dey B, Di Canto A, Dijkstra H, Dordei F, Dorigo M, 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, Egede U, Egorychev V, Eidelman S, Eisenhardt S, Eitschberger U, Ekelhof R, Eklund L, Elsasser Ch, Ely S, Esen S, Evans H M, Evans T, Falabella A, Farley N, Farry S, Fay R, Fazzini D, Ferguson D, Fernandez Albor V, Ferrari F, Ferreira Rodrigues F, Ferro-Luzzi M, Filippov S, Fini R A, Fiore M, Fiorini M, Firlej M, Fitzpatrick C, Fiutowski T, Fleuret F, Fohl K, Fontana M, Fontanelli F, Forshaw D C, Forty R, Frank M, Frei C, Fu J, Furfaro E, Färber C, Gallas Torreira A, Galli D, Gallorini S, Gambetta S, Gandelman M, Gandini P, Gao Y, García Pardiñas J, Garra Tico J, Garrido L, Garsed P J, Gascon D, Gaspar C, Gavardi L, Gazzoni G, Gerick D, Gersabeck E, Gersabeck M, Gershon T, Ghez Ph, Gianì S, Gibson V, Girard O G, Giubega L, Gizdov K, Gligorov V V, Golubkov D, Golutvin A, Gomes A, Gorelov I V, Gotti C, Grabalosa Gándara M, Graciani Diaz R, Granado Cardoso L A, Graugés E, Graverini E, Graziani G, Grecu A, Griffith P, Grillo L, Gruberg Cazon B R, Grünberg O, Gushchin E, Guz Yu, Gys T, Göbel C, Hadavizadeh T, Hadjivasiliou C, Haefeli G, Haen C, Haines S C, Hall S, Hamilton B, Han X, Hansmann-Menzemer S, Harnew N, Harnew S T, Harrison J, Hatch M, He J, Head T, Heister A, Hennessy K, Henrard P, Henry L, Hernando Morata J A, van Herwijnen E, 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 C R, Joram C, Jost B, Jurik N, Kandybei S, Kanso W, Karacson M, Kariuki J M, Karodia S, Kecke M, Kelsey M, Kenyon I R, Kenzie M, Ketel T, Khairullin E, Khanji B, Khurewathanakul C, Kirn T, Klaver S, Klimaszewski K, Koliiev S, Kolpin M, Komarov I, Koopman R F, 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 A K, 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, van Leerdam J, Lees J-P, Leflat A, Lefrançois J, Lefèvre R, Lemaitre F, Lemos Cid E, Leroy O, Lesiak T, Leverington B, Li Y, Likhomanenko T, Lindner R, Linn C, Lionetto F, Liu B, Liu X, Loh D, Longstaff I, Lopes J H, 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 J F, 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 L M, 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 D A, Minard M-N, Mitzel D S, Molina Rodriguez J, Monroy I A, Monteil S, Morandin M, Morawski P, Mordà A, Morello M J, Moron J, Morris A B, 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 A D, Nguyen-Mau C, Nieswand S, Niet R, Nikitin N, Nikodem T, Novoselov A, O'Hanlon D P, Oblakowska-Mucha A, Obraztsov V, Ogilvy S, Oldeman R, Onderwater C J G, Otalora Goicochea J M, Otto A, Owen P, Oyanguren A, Pais P R, Palano A, Palombo F, Palutan M, Panman J, Papanestis A, Pappagallo M, Pappalardo L L, Pappenheimer C, Parker W, Parkes C, Passaleva G, Pastore A, Patel G D, Patel M, Patrignani C, Pearce A, Pellegrino A, Penso G, Pepe Altarelli M, Perazzini S, 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 G J, Popov A, Popov D, Popovici B, Potterat C, Price E, Price J D, Prisciandaro J, Pritchard A, Prouve C, Pugatch V, Puig Navarro A, Punzi G, Qian W, Quagliani R, Rachwal B, Rademacker J H, Rama M, Ramos Pernas M, Rangel M S, Raniuk I, Raven G, Redi F, Reichert S, Dos Reis A C, Remon Alepuz C, Renaudin V, Ricciardi S, Richards S, Rihl M, Rinnert K, Rives Molina V, Robbe P, Rodrigues A B, Rodrigues E, Rodriguez Lopez J A, Rodriguez Perez P, Rogozhnikov A, Roiser S, Romanovskiy V, Romero Vidal A, Ronayne J W, Rotondo M, Ruf T, Ruiz Valls P, Saborido Silva J J, 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 D M, 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 B G, Silva Coutinho R, Silva de Oliveira L, Simi G, Simone S, Sirendi M, Skidmore N, Skwarnicki T, Smith E, Smith I T, Smith J, Smith M, Snoek H, Sokoloff M D, Soler F J P, Souza D, Souza De Paula B, 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, van Tilburg J, Tisserand V, Tobin M, Tolk S, Tomassetti L, Tonelli D, Topp-Joergensen S, Toriello F, Tournefier E, Tourneur S, Trabelsi K, Traill M, Tran M T, 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, Vazquez Gomez R, Vazquez Regueiro P, Vecchi S, van Veghel M, Velthuis J J, 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, de Vries J A, Vázquez Sierra C, Waldi R, Wallace C, Wallace R, Walsh J, Wang J, Ward D R, Wark H M, Watson N K, Websdale D, Weiden A, Whitehead M, Wicht J, Wilkinson G, Wilkinson M, Williams M, Williams M P, Williams M, Williams T, Wilson F F, Wimberley J, Wishahi J, Wislicki W, Witek M, Wormser G, Wotton S A, 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 K A, Zavertyaev M, Zhang L, Zhang Y, Zhang Y, Zhelezov A, Zheng Y, Zhokhov A, Zhukov V, Zucchelli S
机构信息
European Organization for Nuclear Research (CERN), Geneva, Switzerland.
Universidad de Santiago de Compostela, Santiago de Compostela, Spain.
出版信息
Phys Rev Lett. 2017 Jan 13;118(2):022003. doi: 10.1103/PhysRevLett.118.022003. Epub 2017 Jan 11.
The first full amplitude analysis of B^{+}→J/ψϕK^{+} with J/ψ→μ^{+}μ^{-}, ϕ→K^{+}K^{-} decays is performed with a data sample of 3 fb^{-1} of pp collision data collected at sqrt[s]=7 and 8 TeV with the LHCb detector. The data cannot be described by a model that contains only excited kaon states decaying into ϕK^{+}, and four J/ψϕ structures are observed, each with significance over 5 standard deviations. The quantum numbers of these structures are determined with significance of at least 4 standard deviations. The lightest has mass consistent with, but width much larger than, previous measurements of the claimed X(4140) state.
利用大型强子对撞机底夸克探测器（LHCb）在质心能量√s = 7和8 TeV下收集的3 fb⁻¹质子-质子碰撞数据样本，对B⁺→J/ψϕK⁺衰变（其中J/ψ→μ⁺μ⁻，ϕ→K⁺K⁻）进行了首次全振幅分析。仅包含激发态K介子衰变为ϕK⁺的模型无法描述这些数据，并且观测到了四个J/ψϕ结构，每个结构的显著性均超过5个标准差。这些结构的量子数的确定显著性至少为4个标准差。最轻的结构的质量与先前声称的X(4140)态的测量值一致，但宽度要大得多。
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