作者：LHCb Collaboration R. Aaij³⁸C. Abellan Beteta³³ ; ⁿA. Adametz¹¹B. Adeva³⁴M. Adinolfi⁴³C. Adrover⁶A. Affolder⁴⁹Z. Ajaltouni⁵J. Albrecht³⁵F. Alessio³⁵M. Alexander⁴⁸S. Ali³⁸G. Alkhazov²⁷P. Alvarez Cartelle³⁴A.A. Alves Jr.²²S. Amato²Y. Amhis³⁶L. Anderlini¹⁷ ; ^fJ. Anderson³⁷R.B. Appleby⁵¹O. Aquines Gutierrez¹⁰F. Archilli¹⁸ ; ³⁵A. Artamonov³²M. Artuso⁵³E. Aslanides⁶G. Auriemma²² ; ^mS. Bachmann¹¹J.J. Back⁴⁵C. Baesso⁵⁴W. Baldini¹⁶R.J. Barlow⁵¹C. Barschel³⁵S. Barsuk⁷W. Barter⁴⁴A. Bates⁴⁸Th. Bauer³⁸A. Bay³⁶J. Beddow⁴⁸I. Bediaga¹S. Belogurov²⁸K. Belous³²I. Belyaev²⁸E. Ben-Haim⁸M. Benayoun⁸G. Bencivenni¹⁸S. Benson⁴⁷J. Benton⁴³A. Berezhnoy²⁹R. Bernet³⁷M.-O. Bettler⁴⁴M. van Beuzekom³⁸A. Bien¹¹S. Bifani¹²T. Bird⁵¹A. Bizzeti¹⁷ ; ^hP.M. Bjø ; rnstad⁵¹T. Blake³⁵F. Blanc³⁶C. Blanks⁵⁰J. Blouw¹¹S. Blusk⁵³A. Bobrov³¹V. Bocci²²A. Bondar³¹N. Bondar²⁷W. Bonivento¹⁵S. Borghi⁴⁸ ; ⁵¹A. Borgia⁵³T.J.V. Bowcock⁴⁹C. Bozzi¹⁶T. Brambach⁹J. van den Brand³⁹J. Bressieux³⁶D. Brett⁵¹M. Britsch¹⁰T. Britton⁵³N.H. Brook⁴³H. Brown⁴⁹A. Bü ; chler-Germann³⁷I. Burducea²⁶A. Bursche³⁷J. Buytaert³⁵S. Cadeddu¹⁵O. Callot⁷M. Calvi²⁰ ; ^jM. Calvo Gomez³³ ; ⁿA. Camboni³³P. Campana¹⁸ ; ³⁵A. Carbone¹⁴ ; ^cG. Carboni²¹ ; ^kR. Cardinale¹⁹ ; ⁱA. Cardini¹⁵H. Carranza-Mejia⁴⁷L. Carson⁵⁰K. Carvalho Akiba²G. Casse⁴⁹M. Cattaneo³⁵Ch. Cauet⁹M. Charles⁵²Ph. Charpentier³⁵P. Chen³ ; ³⁶N. Chiapolini³⁷M. Chrzaszcz²³K. Ciba³⁵X. Cid Vidal³⁴G. Ciezarek⁵⁰P.E.L. Clarke⁴⁷M. Clemencic³⁵H.V. Cliff⁴⁴J. Closier³⁵C. Coca²⁶V. Coco³⁸J. Cogan⁶E. Cogneras⁵P. Collins³⁵A. Comerma-Montells³³A. Contu⁵² ; ¹⁵A. Cook⁴³M. Coombes⁴³G. Corti³⁵B. Couturier³⁵G.A. Cowan³⁶D. Craik⁴⁵S. Cunliffe⁵⁰R. Currie⁴⁷C. D?Ambrosio³⁵P. David⁸P.N.Y. David³⁸I. De Bonis⁴K. De Bruyn³⁸S. De Capua⁵¹M. De Cian³⁷J.M. De Miranda¹L. De Paula²P. De Simone¹⁸D. Decamp⁴M. Deckenhoff⁹H. Degaudenzi³⁶ ; ³⁵L. Del Buono⁸C. Deplano¹⁵D. Derkach¹⁴O. Deschamps⁵F. Dettori³⁹A. Di Canto¹¹J. Dickens⁴⁴H. Dijkstra³⁵P. Diniz Batista¹M. Dogaru²⁶F. Domingo Bonal³³ ; ⁿS. Donleavy⁴⁹F. Dordei¹¹A. Dosil Suá ; rez³⁴D. Dossett⁴⁵A. Dovbnya⁴⁰F. Dupertuis³⁶R. Dzhelyadin³²A. Dziurda²³A. Dzyuba²⁷S. Easo⁴⁶ ; ³⁵U. Egede⁵⁰V. Egorychev²⁸S. Eidelman³¹D. van Eijk³⁸S. Eisenhardt⁴⁷R. Ekelhof⁹L. Eklund⁴⁸I. El Rifai⁵Ch. Elsasser³⁷D. Elsby⁴²A. Falabella¹⁴ ; ^eC. Fä ; rber¹¹G. Fardell⁴⁷C. Farinelli³⁸S. Farry¹²V. Fave³⁶V. Fernandez Albor³⁴F. Ferreira Rodrigues¹M. Ferro-Luzzi³⁵S. Filippov³⁰C. Fitzpatrick³⁵M. Fontana¹⁰F. Fontanelli¹⁹ ; ⁱR. Forty³⁵O. Francisco²M. Frank³⁵C. Frei³⁵M. Frosini¹⁷ ; ^fS. Furcas²⁰A. Gallas Torreira³⁴D. Galli¹⁴ ; ^cM. Gandelman²P. Gandini⁵²Y. Gao³J.-C. Garnier³⁵J. Garofoli⁵³P. Garosi⁵¹J. Garra Tico⁴⁴L. Garrido³³C. Gaspar³⁵R. Gauld⁵²E. Gersabeck¹¹M. Gersabeck³⁵T. Gershon⁴⁵ ; ³⁵Ph. Ghez⁴V. Gibson⁴⁴V.V. Gligorov³⁵C. Gö ; bel⁵⁴D. Golubkov²⁸A. Golutvin⁵⁰ ; ²⁸ ; ³⁵A. Gomes²H. Gordon⁵²M. Grabalosa Gá ; ndara³³R. Graciani Diaz³³L.A. Granado Cardoso³⁵E. Graugé ; s³³G. Graziani¹⁷A. Grecu²⁶E. Greening⁵²S. Gregson⁴⁴O. Grü ; nberg⁵⁵B. Gui⁵³E. Gushchin³⁰Yu. Guz³²T. Gys³⁵C. Hadjivasiliou⁵³G. Haefeli³⁶C. Haen³⁵S.C. Haines⁴⁴S. Hall⁵⁰T. Hampson⁴³S. Hansmann-Menzemer¹¹N. Harnew⁵²S.T. Harnew⁴³J. Harrison⁵¹P.F. Harrison⁴⁵T. Hartmann⁵⁵J. He⁷V. Heijne³⁸K. Hennessy⁴⁹P. Henrard⁵J.A. Hernando Morata³⁴E. van Herwijnen³⁵E. Hicks⁴⁹D. Hill⁵²M. Hoballah⁵P. Hopchev⁴W. Hulsbergen³⁸P. Hunt⁵²T. Huse⁴⁹N. Hussain⁵²D. Hutchcroft⁴⁹D. Hynds⁴⁸V. Iakovenko⁴¹P. Ilten¹²J. Imong⁴³R. Jacobsson³⁵A. Jaeger¹¹M. Jahjah Hussein⁵E. Jans³⁸F. Jansen³⁸P. Jaton³⁶B. Jean-Marie⁷F. Jing³M. John⁵²D. Johnson⁵²C.R. Jones⁴⁴B. Jost³⁵M. Kaballo⁹S. Kandybei⁴⁰M. Karacson³⁵T.M. Karbach³⁵I.R. Kenyon⁴²U. Kerzel³⁵T. Ketel³⁹A. Keune³⁶B. Khanji²⁰Y.M. Kim⁴⁷O. Kochebina⁷V. Komarov³⁶ ; ²⁹R.F. Koopman³⁹P. Koppenburg³⁸M. Korolev²⁹A. Kozlinskiy³⁸L. Kravchuk³⁰K. Kreplin¹¹M. Kreps⁴⁵G. Krocker¹¹P. Krokovny³¹F. Kruse⁹M. Kucharczyk²⁰ ; ²³ ; ^jV. Kudryavtsev³¹T. Kvaratskheliya²⁸ ; ³⁵V.N. La Thi³⁶D. Lacarrere³⁵G. Lafferty⁵¹A. Lai¹⁵D. Lambert⁴⁷R.W. Lambert³⁹E. Lanciotti³⁵G. Lanfranchi¹⁸ ; ³⁵C. Langenbruch³⁵T. Latham⁴⁵C. Lazzeroni⁴²R. Le Gac⁶J. van Leerdam³⁸J.-P. Lees⁴R. Lefè ; vre⁵A. Leflat²⁹ ; ³⁵J. Lefranç ; ois⁷O. Leroy⁶T. Lesiak²³Y. Li³L. Li Gioi⁵M. Liles⁴⁹R. Lindner³⁵C. Linn¹¹B. Liu³G. Liu³⁵J. von Loeben²⁰J.H. Lopes²E. Lopez Asamar³³N. Lopez-March³⁶H. Lu³J. Luisier³⁶H. Luo⁴⁷A. Mac Raighne⁴⁸F. Machefert⁷I.V. Machikhiliyan⁴ ; ²⁸F. Maciuc²⁶O. Maev²⁷ ; ³⁵J. Magnin¹M. Maino²⁰S. Malde⁵²G. Manca¹⁵ ; ^dG. Mancinelli⁶N. Mangiafave⁴⁴U. Marconi¹⁴R. Mä ; rki³⁶J. Marks¹¹G. Martellotti²²A. Martens⁸L. Martin⁵²A. Martí ; n Sá ; nchez⁷M. Martinelli³⁸D. Martinez Santos³⁵D. Martins Tostes²A. Massafferri¹R. Matev³⁵Z. Mathe³⁵C. Matteuzzi²⁰M. Matveev²⁷E. Maurice⁶A. Mazurov¹⁶ ; ³⁰ ; ³⁵ ; ^eJ. McCarthy⁴²G. McGregor⁵¹R. McNulty¹²M. Meissner¹¹M. Merk³⁸J. Merkel⁹D.A. Milanes¹³M.-N. Minard⁴J. Molina Rodriguez⁵⁴S. Monteil⁵D. Moran⁵¹P. Morawski²³R. Mountain⁵³I. Mous³⁸F. Muheim⁴⁷K. Mü ; ller³⁷R. Muresan²⁶B. Muryn²⁴B. Muster³⁶J. Mylroie-Smith⁴⁹P. Naik⁴³T. Nakada³⁶R. Nandakumar⁴⁶I. Nasteva¹M. Needham⁴⁷N. Neufeld³⁵A.D. Nguyen³⁶T.D. Nguyen³⁶C. Nguyen-Mau³⁶ ; ^oM. Nicol⁷V. Niess⁵N. Nikitin²⁹T. Nikodem¹¹A. Nomerotski⁵² ; ³⁵A. Novoselov³²A. Oblakowska-Mucha²⁴V. Obraztsov³²S. Oggero³⁸S. Ogilvy⁴⁸O. Okhrimenko⁴¹R. Oldeman¹⁵ ; ³⁵ ; ^dM. Orlandea²⁶J.M. Otalora Goicochea²P. Owen⁵⁰B.K. Pal⁵³A. Palano¹³ ; ^bM. Palutan¹⁸J. Panman³⁵A. Papanestis⁴⁶M. Pappagallo⁴⁸C. Parkes⁵¹C.J. Parkinson⁵⁰G. Passaleva¹⁷G.D. Patel⁴⁹M. Patel⁵⁰G.N. Patrick⁴⁶C. Patrignani¹⁹ ; ⁱC. Pavel-Nicorescu²⁶A. Pazos Alvarez³⁴A. Pellegrino³⁸G. Penso²² ; ^lM. Pepe Altarelli³⁵S. Perazzini¹⁴ ; ^cD.L. Perego²⁰ ; ^jE. Perez Trigo³⁴A. Pé ; rez-Calero Yzquierdo³³P. Perret⁵M. Perrin-Terrin⁶G. Pessina²⁰K. Petridis⁵⁰A. Petrolini¹⁹ ; ⁱA. Phan⁵³E. Picatoste Olloqui³³B. Pie Valls³³B. Pietrzyk⁴T. Pila?⁴⁵D. Pinci²²S. Playfer⁴⁷M. Plo Casasus³⁴F. Polci⁸G. Polok²³A. Poluektov⁴⁵ ; ³¹E. Polycarpo²D. Popov¹⁰B. Popovici²⁶C. Potterat³³A. Powell⁵²J. Prisciandaro³⁶V. Pugatch⁴¹A. Puig Navarro³⁶W. Qian⁴J.H. Rademacker⁴³B. Rakotomiaramanana³⁶M.S. Rangel²I. Raniuk⁴⁰N. Rauschmayr³⁵G. Raven³⁹S. Redford⁵²M.M. Reid⁴⁵A.C. dos Reis¹S. Ricciardi⁴⁶A. Richards⁵⁰K. Rinnert⁴⁹V. Rives Molina³³D.A. Roa Romero⁵P. Robbe⁷E. Rodrigues⁴⁸ ; ⁵¹P. Rodriguez Perez³⁴G.J. Rogers⁴⁴S. Roiser³⁵V. Romanovsky³²A. Romero Vidal³⁴J. Rouvinet³⁶T. Ruf³⁵H. Ruiz³³G. Sabatino²² ; ^kJ.J. Saborido Silva³⁴N. Sagidova²⁷P. Sail⁴⁸B. Saitta¹⁵ ; ^dC. Salzmann³⁷B. Sanmartin Sedes³⁴M. Sannino¹⁹ ; ⁱR. Santacesaria²²C. Santamarina Rios³⁴R. Santinelli³⁵E. Santovetti²¹ ; ^kM. Sapunov⁶A. Sarti¹⁸ ; ^lC. Satriano²² ; ^mA. Satta²¹M. Savrie¹⁶ ; ^eP. Schaack⁵⁰M. Schiller³⁹H. Schindler³⁵S. Schleich⁹M. Schlupp⁹M. Schmelling¹⁰B. Schmidt³⁵O. Schneider³⁶A. Schopper³⁵M.-H. Schune⁷R. Schwemmer³⁵B. Sciascia¹⁸A. Sciubba¹⁸ ; ^lM. Seco³⁴A. Semennikov²⁸K. Senderowska²⁴I. Sepp⁵⁰N. Serra³⁷J. Serrano⁶P. Seyfert¹¹M. Shapkin³²I. Shapoval⁴⁰ ; ³⁵P. Shatalov²⁸Y. Shcheglov²⁷T. Shears⁴⁹ ; ³⁵L. Shekhtman³¹O. Shevchenko⁴⁰V. Shevchenko²⁸A. Shires⁵⁰R. Silva Coutinho⁴⁵T. Skwarnicki⁵³N.A. Smith⁴⁹E. Smith⁵² ; ⁴⁶M. Smith⁵¹K. Sobczak⁵F.J.P. Soler⁴⁸F. Soomro¹⁸ ; ³⁵D. Souza⁴³B. Souza De Paula²B. Spaan⁹A. Sparkes⁴⁷P. Spradlin⁴⁸F. Stagni³⁵S. Stahl¹¹O. Steinkamp³⁷S. Stoica²⁶S. Stone⁵³B. Storaci³⁸M. Straticiuc²⁶U. Straumann³⁷V.K. Subbiah³⁵S. Swientek⁹M. Szczekowski²⁵P. Szczypka³⁶ ; ³⁵D. Szilard²T. Szumlak²⁴S. T?Jampens⁴M. Teklishyn⁷E. Teodorescu²⁶F. Teubert³⁵C. Thomas⁵²E. Thomas³⁵J. van Tilburg¹¹V. Tisserand⁴M. Tobin³⁷S. Tolk³⁹D. Tonelli³⁵S. Topp-Joergensen⁵²N. Torr⁵²E. Tournefier⁴ ; ⁵⁰S. Tourneur³⁶M.T. Tran³⁶A. Tsaregorodtsev⁶P. Tsopelas³⁸N. Tuning³⁸M. Ubeda Garcia³⁵A. Ukleja²⁵D. Urner⁵¹U. Uwer¹¹V. Vagnoni¹⁴G. Valenti¹⁴R. Vazquez Gomez³³P. Vazquez Regueiro³⁴S. Vecchi¹⁶J.J. Velthuis⁴³M. Veltri¹⁷ ; ^gG. Veneziano³⁶M. Vesterinen³⁵B. Viaud⁷I. Videau⁷D. Vieira²X. Vilasis-Cardona³³ ; ⁿJ. Visniakov³⁴A. Vollhardt³⁷D. Volyanskyy¹⁰D. Voong⁴³A. Vorobyev²⁷V. Vorobyev³¹C. Voß ; ⁵⁵H. Voss¹⁰R. Waldi⁵⁵R. Wallace¹²S. Wandernoth¹¹J. Wang⁵³D.R. Ward⁴⁴N.K. Watson⁴²A.D. Webber⁵¹D. Websdale⁵⁰M. Whitehead⁴⁵J. Wicht³⁵D. Wiedner¹¹L. Wiggers³⁸G. Wilkinson⁵²M.P. Williams⁴⁵ ; ⁴⁶M. Williams⁵⁰ ; ^pF.F. Wilson⁴⁶J. Wishahi⁹ ; ^{julian.wishahi@tu-dortmund.de}M. Witek²³W. Witzeling³⁵S.A. Wotton⁴⁴S. Wright⁴⁴S. Wu³K. Wyllie³⁵Y. Xie⁴⁷ ; ³⁵F. Xing⁵²Z. Xing⁵³Z. Yang³R. Young⁴⁷X. Yuan³O. Yushchenko³²M. Zangoli¹⁴M. Zavertyaev¹⁰ ; ^aF. Zhang³L. Zhang⁵³W.C. Zhang¹²Y. Zhang³A. Zhelezov¹¹L. Zhong³A. Zvyagin³⁵¹Centro Brasileiro de Pesquisas Fí ; sicas (CBPF) ; Rio de Janeiro ; BrazilCentro Brasileiro de Pesquisas Fí ; sicas (CBPF)Rio de JaneiroBrazil²Universidade Federal do Rio de Janeiro (UFRJ) ; Rio de Janeiro ; BrazilUniversidade Federal do Rio de Janeiro (UFRJ)Rio de JaneiroBrazil³Center for High Energy Physics ; Tsinghua University ; Beijing ; ChinaCenter for High Energy PhysicsTsinghua UniversityBeijingChina⁴LAPP ; Université ; de Savoie ; CNRS/IN2P3 ; Annecy-Le-Vieux ; FranceLAPPUniversité ; de SavoieCNRS/IN2P3Annecy-Le-VieuxFrance⁵Clermont Université ; Université ; Blaise Pascal ; CNRS/IN2P3 ; LPC ; Clermont-Ferrand ; FranceClermont Université ; Université ; Blaise PascalCNRS/IN2P3LPCClermont-FerrandFrance⁶CPPM ; Aix-Marseille Université ; CNRS/IN2P3 ; Marseille ; FranceCPPMAix-Marseille Université ; CNRS/IN2P3MarseilleFrance⁷LAL ; Université ; Paris-Sud ; CNRS/IN2P3 ; Orsay ; FranceLALUniversité ; Paris-SudCNRS/IN2P3OrsayFrance⁸LPNHE ; Université ; Pierre et Marie Curie ; Université ; Paris Diderot ; CNRS/IN2P3 ; Paris ; FranceLPNHEUniversité ; Pierre et Marie CurieUniversité ; Paris DiderotCNRS/IN2P3ParisFrance⁹Fakultä ; t Physik ; Technische Universitä ; t Dortmund ; Dortmund ; GermanyFakultä ; t PhysikTechnische Universitä ; t DortmundDortmundGermany¹⁰Max-Planck-Institut fü ; r Kernphysik (MPIK) ; Heidelberg ; GermanyMax-Planck-Institut fü ; r Kernphysik (MPIK)HeidelbergGermany¹¹Physikalisches Institut ; Ruprecht-Karls-Universitä ; t Heidelberg ; Heidelberg ; GermanyPhysikalisches InstitutRuprecht-Karls-Universitä ; t HeidelbergHeidelbergGermany¹²School of Physics ; University College Dublin ; Dublin ; IrelandSchool of PhysicsUniversity College DublinDublinIreland¹³Sezione INFN di Bari ; Bari ; ItalySezione INFN di BariBariItaly¹⁴Sezione INFN di Bologna ; Bologna ; ItalySezione INFN di BolognaBolognaItaly¹⁵Sezione INFN di Cagliari ; Cagliari ; ItalySezione INFN di CagliariCagliariItaly¹⁶Sezione INFN di Ferrara ; Ferrara ; ItalySezione INFN di FerraraFerraraItaly¹⁷Sezione INFN di Firenze ; Firenze ; ItalySezione INFN di FirenzeFirenzeItaly¹⁸Laboratori Nazionali dell?INFN di Frascati ; Frascati ; ItalyLaboratori Nazionali dell?INFN di FrascatiFrascatiItaly¹⁹Sezione INFN di Genova ; Genova ; ItalySezione INFN di GenovaGenovaItaly²⁰Sezione INFN di Milano Bicocca ; Milano ; ItalySezione INFN di Milano BicoccaMilanoItaly²¹Sezione INFN di Roma Tor Vergata ; Roma ; ItalySezione INFN di Roma Tor VergataRomaItaly²²Sezione INFN di Roma La Sapienza ; Roma ; ItalySezione INFN di Roma La SapienzaRomaItaly²³Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences ; Kraków ; PolandHenryk Niewodniczanski Institute of Nuclear Physics Polish Academy of SciencesKrakó ; wPoland²⁴AGH University of Science ; Technology ; Kraków ; PolandAGH University of Science ; TechnologyKrakó ; wPoland²⁵National Center for Nuclear Research (NCBJ) ; Warsaw ; PolandNational Center for Nuclear Research (NCBJ)WarsawPoland²⁶Horia Hulubei National Institute of Physics ; Nuclear Engineering ; Bucharest-Magurele ; RomaniaHoria Hulubei National Institute of Physics ; Nuclear EngineeringBucharest-MagureleRomania²⁷Petersburg Nuclear Physics Institute (PNPI) ; Gatchina ; RussiaPetersburg Nuclear Physics Institute (PNPI)GatchinaRussia²⁸Institute of Theoretical ; Experimental Physics (ITEP) ; Moscow ; RussiaInstitute of Theoretical ; Experimental Physics (ITEP)MoscowRussia²⁹Institute of Nuclear Physics ; Moscow State University (SINP MSU) ; Moscow ; RussiaInstitute of Nuclear PhysicsMoscow State University (SINP MSU)MoscowRussia³⁰Institute for Nuclear Research of the Russian Academy of Sciences (INR RAN) ; Moscow ; RussiaInstitute for Nuclear Research of the Russian Academy of Sciences (INR RAN)MoscowRussia³¹Budker Institute of Nuclear Physics (SB RAS) ; Novosibirsk State University ; Novosibirsk ; RussiaBudker Institute of Nuclear Physics (SB RAS)Novosibirsk State UniversityNovosibirskRussia³²Institute for High Energy Physics (IHEP) ; Protvino ; RussiaInstitute for High Energy Physics (IHEP)ProtvinoRussia³³Universitat de Barcelona ; Barcelona ; SpainUniversitat de BarcelonaBarcelonaSpain³⁴Universidad de Santiago de Compostela ; Santiago de Compostela ; SpainUniversidad de Santiago de CompostelaSantiago de CompostelaSpain³⁵European Organization for Nuclear Research (CERN) ; Geneva ; SwitzerlandEuropean Organization for Nuclear Research (CERN)GenevaSwitzerland³⁶Ecole Polytechnique Fé ; dé ; rale de Lausanne (EPFL) ; Lausanne ; SwitzerlandEcole Polytechnique Fé ; dé ; rale de Lausanne (EPFL)LausanneSwitzerland³⁷Physik-Institut ; Universitä ; t Zü ; rich ; Zü ; rich ; SwitzerlandPhysik-InstitutUniversitä ; t Zü ; richZü ; richSwitzerland³⁸Nikhef National Institute for Subatomic Physics ; Amsterdam ; The NetherlandsNikhef National Institute for Subatomic PhysicsAmsterdamThe Netherlands³⁹Nikhef National Institute for Subatomic Physics ; VU University Amsterdam ; Amsterdam ; The NetherlandsNikhef National Institute for Subatomic PhysicsVU University AmsterdamAmsterdamThe Netherlands⁴⁰NSC Kharkiv Institute of Physics ; Technology (NSC KIPT) ; Kharkiv ; UkraineNSC Kharkiv Institute of Physics ; Technology (NSC KIPT)KharkivUkraine⁴¹Institute for Nuclear Research of the National Academy of Sciences (KINR) ; Kyiv ; UkraineInstitute for Nuclear Research of the National Academy of Sciences (KINR)KyivUkraine⁴²University of Birmingham ; Birmingham ; United KingdomUniversity of BirminghamBirminghamUnited Kingdom⁴³H.H. Wills Physics Laboratory ; University of Bristol ; Bristol ; United KingdomH.H. Wills Physics LaboratoryUniversity of BristolBristolUnited Kingdom⁴⁴Cavendish Laboratory ; University of Cambridge ; Cambridge ; United KingdomCavendish LaboratoryUniversity of CambridgeCambridgeUnited Kingdom⁴⁵Department of Physics ; University of Warwick ; Coventry ; United KingdomDepartment of PhysicsUniversity of WarwickCoventryUnited Kingdom⁴⁶STFC Rutherford Appleton Laboratory ; Didcot ; United KingdomSTFC Rutherford Appleton LaboratoryDidcotUnited Kingdom⁴⁷School of Physics ; Astronomy ; University of Edinburgh ; Edinburgh ; United KingdomSchool of Physics ; AstronomyUniversity of EdinburghEdinburghUnited Kingdom⁴⁸School of Physics ; Astronomy ; University of Glasgow ; Glasgow ; United KingdomSchool of Physics ; AstronomyUniversity of GlasgowGlasgowUnited Kingdom⁴⁹Oliver Lodge Laboratory ; University of Liverpool ; Liverpool ; United KingdomOliver Lodge LaboratoryUniversity of LiverpoolLiverpoolUnited Kingdom⁵⁰Imperial College London ; London ; United KingdomImperial College LondonLondonUnited Kingdom⁵¹School of Physics ; Astronomy ; University of Manchester ; Manchester ; United KingdomSchool of Physics ; AstronomyUniversity of ManchesterManchesterUnited Kingdom⁵²Department of Physics ; University of Oxford ; Oxford ; United KingdomDepartment of PhysicsUniversity of OxfordOxfordUnited Kingdom⁵³Syracuse University ; Syracuse ; NY ; United StatesSyracuse UniversitySyracuseNYUnited States⁵⁴Pontifí ; cia Universidade Cató ; lica do Rio de Janeiro (PUC-Rio) ; Rio de Janeiro ; Brazil^q ; ^qAssociated to ; Universidade Federal do Rio de Janeiro (UFRJ) ; Rio de Janeiro ; Brazil.Pontifí ; cia Universidade Cató ; lica do Rio de Janeiro (PUC-Rio)Rio de JaneiroBrazil⁵⁵Institut fü ; r Physik ; Universitä ; t Rostock ; Rostock ; Germany^r ; ^rAssociated to ; Physikalisches Institut ; Ruprecht-Karls-Universitä ; t Heidelberg ; Heidelberg ; Germany.Institut fü ; r PhysikUniversitä ; t RostockRostockGermany^?Corresponding author.^aP.N. Lebedev Physical Institute ; Russian Academy of Science (LPI RAS) ; Moscow ; Russia.^bUniversità ; di Bari ; Bari ; Italy.^cUniversità ; di Bologna ; Bologna ; Italy.^dUniversità ; di Cagliari ; Cagliari ; Italy.^eUniversità ; di Ferrara ; Ferrara ; Italy.^fUniversità ; di Firenze ; Firenze ; Italy.^gUniversità ; di Urbino ; Urbino ; Italy.^hUniversità ; di Modena e Reggio Emilia ; Modena ; Italy.ⁱUniversità ; di Genova ; Genova ; Italy.^jUniversità ; di Milano Bicocca ; Milano ; Italy.^kUniversità ; di Roma Tor Vergata ; Roma ; Italy.^lUniversità ; di Roma La Sapienza ; Roma ; Italy.^mUniversità ; della Basilicata ; Potenza ; Italy.ⁿLIFAELS ; La Salle ; Universitat Ramon Llull ; Barcelona ; Spain.^oHanoi University of Science ; Hanoi ; Viet Nam.^pMassachusetts Institute of Technology ; Cambridge ; MA ; United States.

刊名：Physics Letters B

出版年：2013