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Paper detail

Determination of the X(3872) meson quantum numbers

The quantum numbers of the X(3872) meson are determined to be JPC = 1++ based on angular correlations in B+ to X(3872) K+ decays, where X(3872) to pi+pi- J/psi and J/psi to μ+μ-. The data correspond to 1.0 fb-1 of pp collisions collected by the LHCb detector. The only alternative assignment allowed by previous measurements, JPC=2-+, is rejected with a confidence level equivalent to more than eight Gaussian standard deviations using the likelihood-ratio test in the full angular phase space. This result favors exotic explanations of the X(3872) state.

preprint2013arXivOpen access
LHCb collaborationR. AaijC. Abellan BetetaB. AdevaM. AdinolfiC. AdroverA. AffolderZ. AjaltouniJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA. A. Alves JrS. AmatoS. AmerioY. AmhisL. AnderliniJ. AndersonR. AndreassenR. B. ApplebyO. Aquines GutierrezF. ArchilliA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaS. BachmannJ. J. BackC. BaessoV. BalaguraW. BaldiniR. J. BarlowC. BarschelS. BarsukW. BarterTh. BauerA. BayJ. BeddowF. BedeschiI. BediagaS. BelogurovK. BelousI. BelyaevE. Ben-HaimM. BenayounG. BencivenniS. BensonJ. BentonA. BerezhnoyR. BernetM. -O. BettlerM. van BeuzekomA. BienS. BifaniT. BirdA. BizzetiP. M. BjørnstadT. BlakeF. BlancJ. BlouwS. BluskV. BocciA. BondarN. BondarW. BoniventoS. BorghiA. BorgiaT. J. V. BowcockE. BowenC. BozziT. BrambachJ. van den BrandJ. BressieuxD. BrettM. BritschT. BrittonN. H. BrookH. BrownI. BurduceaA. BurscheG. BusettoJ. BuytaertS. CadedduO. CallotM. CalviM. Calvo GomezA. CamboniP. CampanaA. CarboneG. CarboniR. CardinaleA. CardiniH. Carranza-MejiaL. CarsonK. Carvalho AkibaG. CasseM. CattaneoCh. CauetM. CharlesPh. CharpentierP. ChenN. ChiapoliniM. ChrzaszczK. CibaX. Cid VidalG. CiezarekP. E. L. ClarkeM. ClemencicH. V. CliffJ. ClosierC. CocaV. CocoJ. CoganE. CognerasP. CollinsA. Comerma-MontellsA. ContuA. CookM. CoombesS. CoquereauG. CortiB. CouturierG. A. CowanD. CraikS. CunliffeR. CurrieC. D'AmbrosioP. DavidP. N. Y. DavidI. De BonisK. De BruynS. De CapuaM. De CianJ. M. De MirandaM. De Oyanguren CamposL. De PaulaW. De SilvaP. De SimoneD. DecampM. DeckenhoffL. Del BuonoD. DerkachO. DeschampsF. DettoriA. Di CantoH. DijkstraM. DogaruS. DonleavyF. DordeiA. Dosil SuárezD. DossettA. DovbnyaF. DupertuisR. DzhelyadinA. DziurdaA. DzyubaS. EasoU. EgedeV. EgorychevS. EidelmanD. van EijkS. EisenhardtU. EitschbergerR. EkelhofL. EklundI. El RifaiCh. ElsasserD. ElsbyA. FalabellaC. FärberG. FardellC. FarinelliS. FarryV. FaveD. FergusonV. Fernandez AlborF. Ferreira RodriguesM. Ferro-LuzziS. FilippovC. FitzpatrickM. FontanaF. FontanelliR. FortyO. FranciscoM. FrankC. FreiM. FrosiniS. FurcasE. FurfaroA. Gallas TorreiraD. GalliM. GandelmanP. GandiniY. GaoJ. GarofoliP. GarosiJ. Garra TicoL. GarridoC. GasparR. GauldE. GersabeckM. GersabeckT. GershonPh. GhezV. GibsonV. V. GligorovC. GöbelD. GolubkovA. GolutvinA. GomesH. GordonM. Grabalosa GándaraR. Graciani DiazL. A. Granado CardosoE. GraugésG. GrazianiA. GrecuE. GreeningS. GregsonO. GrünbergB. GuiE. GushchinYu. GuzT. GysC. HadjivasiliouG. HaefeliC. HaenS. C. HainesS. HallT. HampsonS. Hansmann-MenzemerN. HarnewS. T. HarnewJ. HarrisonT. HartmannJ. HeV. HeijneK. HennessyP. HenrardJ. A. Hernando MorataE. van HerwijnenE. HicksD. HillM. HoballahC. HombachP. HopchevW. HulsbergenP. HuntT. HuseN. HussainD. HutchcroftD. HyndsV. IakovenkoM. IdzikP. IltenR. JacobssonA. JaegerE. JansP. JatonF. JingM. JohnD. JohnsonC. R. JonesB. JostM. KaballoS. KandybeiM. KaracsonT. M. KarbachI. R. KenyonU. KerzelT. KetelA. KeuneB. KhanjiO. KochebinaI. KomarovR. F. KoopmanP. KoppenburgM. KorolevA. KozlinskiyL. KravchukK. KreplinM. KrepsG. KrockerP. KrokovnyF. KruseM. KucharczykV. KudryavtsevT. KvaratskheliyaV. N. La ThiD. LacarrereG. LaffertyA. LaiD. LambertR. W. LambertE. LanciottiG. LanfranchiC. LangenbruchT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ. -P. LeesR. LefèvreA. LeflatJ. LefrançoisS. LeoO. LeroyB. LeveringtonY. LiL. Li GioiM. LilesR. LindnerC. LinnB. LiuG. LiuJ. von LoebenS. LohnJ. H. LopesE. Lopez AsamarN. Lopez-MarchH. LuD. LucchesiJ. LuisierH. LuoF. MachefertI. V. MachikhiliyanF. MaciucO. MaevS. MaldeG. MancaG. MancinelliU. MarconiR. MärkiJ. MarksG. MartellottiA. MartensL. MartinA. Martín SánchezM. MartinelliD. Martinez SantosD. Martins TostesA. MassafferriR. MatevZ. MatheC. MatteuzziE. MauriceA. MazurovJ. McCarthyR. McNultyA. McNabB. MeadowsF. MeierM. MeissnerM. MerkD. A. MilanesM. -N. MinardJ. Molina RodriguezS. MonteilD. MoranP. MorawskiM. J. MorelloR. MountainI. MousF. MuheimK. MüllerR. MuresanB. MurynB. MusterP. NaikT. NakadaR. NandakumarI. NastevaM. NeedhamN. NeufeldA. D. NguyenT. D. NguyenC. Nguyen-MauM. NicolV. NiessR. NietN. NikitinT. NikodemA. NomerotskiA. NovoselovA. Oblakowska-MuchaV. ObraztsovS. OggeroS. OgilvyO. OkhrimenkoR. OldemanM. OrlandeaJ. M. Otalora GoicocheaP. OwenB. K. PalA. PalanoM. PalutanJ. PanmanA. PapanestisM. PappagalloC. ParkesC. J. ParkinsonG. PassalevaG. D. PatelM. PatelG. N. PatrickC. PatrignaniC. Pavel-NicorescuA. Pazos AlvarezA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniD. L. PeregoE. Perez TrigoA. Pérez-Calero YzquierdoP. PerretM. Perrin-TerrinG. PessinaK. PetridisA. PetroliniA. PhanE. Picatoste OlloquiB. PietrzykT. PilařD. PinciS. PlayferM. Plo CasasusF. PolciG. PolokA. PoluektovE. PolycarpoD. PopovB. PopoviciC. PotteratA. PowellJ. PrisciandaroV. PugatchA. Puig NavarroG. PunziW. QianJ. H. RademackerB. RakotomiaramananaM. S. RangelI. RaniukN. RauschmayrG. RavenS. RedfordM. M. ReidA. C. dos ReisS. RicciardiA. RichardsK. RinnertV. Rives MolinaD. A. Roa RomeroP. RobbeE. RodriguesP. Rodriguez PerezS. RoiserV. RomanovskyA. Romero VidalJ. RouvinetT. RufF. RuffiniH. RuizP. Ruiz VallsG. SabatinoJ. J. Saborido SilvaN. SagidovaP. SailB. SaittaC. SalzmannB. Sanmartin SedesM. SanninoR. SantacesariaC. Santamarina RiosE. SantovettiM. SapunovA. SartiC. SatrianoA. SattaM. SavrieD. SavrinaP. SchaackM. SchillerH. SchindlerM. SchluppM. SchmellingB. SchmidtO. SchneiderA. SchopperM. -H. SchuneR. SchwemmerB. SciasciaA. SciubbaM. SecoA. SemennikovK. SenderowskaI. SeppN. SerraJ. SerranoP. SeyfertM. ShapkinI. ShapovalP. ShatalovY. ShcheglovT. ShearsL. ShekhtmanO. ShevchenkoV. ShevchenkoA. ShiresR. Silva CoutinhoT. SkwarnickiN. A. SmithE. SmithM. SmithM. D. SokoloffF. J. P. SolerF. SoomroD. SouzaB. Souza De PaulaB. SpaanA. SparkesP. SpradlinF. StagniS. StahlO. SteinkampS. StoicaS. StoneB. StoraciM. StraticiucU. StraumannV. K. SubbiahS. SwientekV. SyropoulosM. SzczekowskiP. SzczypkaT. SzumlakS. T'JampensM. TeklishynE. TeodorescuF. TeubertC. ThomasE. ThomasJ. van TilburgV. TisserandM. TobinS. TolkD. TonelliS. Topp-JoergensenN. TorrE. TournefierS. TourneurM. T. TranM. TreschA. TsaregorodtsevP. TsopelasN. TuningM. Ubeda GarciaA. UklejaD. UrnerU. UwerV. VagnoniG. ValentiR. Vazquez GomezP. Vazquez RegueiroS. VecchiJ. J. VelthuisM. VeltriG. VenezianoM. VesterinenB. ViaudD. VieiraX. Vilasis-CardonaA. VollhardtD. VolyanskyyD. VoongA. VorobyevV. VorobyevC. VoßH. VossR. WaldiR. WallaceS. WandernothJ. WangD. R. WardN. K. WatsonA. D. WebberD. WebsdaleM. WhiteheadJ. WichtJ. WiechczynskiD. WiednerL. WiggersG. WilkinsonM. P. WilliamsM. WilliamsF. F. WilsonJ. WishahiM. WitekS. A. WottonS. WrightS. WuK. WyllieY. XieF. XingZ. XingZ. YangR. YoungX. YuanO. YushchenkoM. ZangoliM. ZavertyaevF. ZhangL. ZhangW. C. ZhangY. ZhangA. ZhelezovA. ZhokhovL. ZhongA. Zvyagin
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Authors

LHCb collaborationR. AaijC. Abellan BetetaB. AdevaM. AdinolfiC. AdroverA. AffolderZ. AjaltouniJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA. A. Alves JrS. AmatoS. AmerioY. AmhisL. AnderliniJ. AndersonR. AndreassenR. B. ApplebyO. Aquines GutierrezF. ArchilliA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaS. BachmannJ. J. BackC. BaessoV. BalaguraW. BaldiniR. J. BarlowC. BarschelS. BarsukW. BarterTh. BauerA. BayJ. BeddowF. BedeschiI. BediagaS. BelogurovK. BelousI. BelyaevE. Ben-HaimM. BenayounG. BencivenniS. BensonJ. BentonA. BerezhnoyR. BernetM. -O. BettlerM. van BeuzekomA. BienS. BifaniT. BirdA. BizzetiP. M. BjørnstadT. BlakeF. BlancJ. BlouwS. BluskV. BocciA. BondarN. BondarW. BoniventoS. BorghiA. BorgiaT. J. V. BowcockE. BowenC. BozziT. BrambachJ. van den BrandJ. BressieuxD. BrettM. BritschT. BrittonN. H. BrookH. BrownI. BurduceaA. BurscheG. BusettoJ. BuytaertS. CadedduO. CallotM. CalviM. Calvo GomezA. CamboniP. CampanaA. CarboneG. CarboniR. CardinaleA. CardiniH. Carranza-MejiaL. CarsonK. Carvalho AkibaG. CasseM. CattaneoCh. CauetM. CharlesPh. CharpentierP. ChenN. ChiapoliniM. ChrzaszczK. CibaX. Cid VidalG. CiezarekP. E. L. ClarkeM. ClemencicH. V. CliffJ. ClosierC. CocaV. CocoJ. CoganE. CognerasP. CollinsA. Comerma-MontellsA. ContuA. CookM. CoombesS. CoquereauG. CortiB. CouturierG. A. CowanD. CraikS. CunliffeR. CurrieC. D'AmbrosioP. DavidP. N. Y. DavidI. De BonisK. De BruynS. De CapuaM. De CianJ. M. De MirandaM. De Oyanguren CamposL. De PaulaW. De SilvaP. De SimoneD. DecampM. DeckenhoffL. Del BuonoD. DerkachO. DeschampsF. DettoriA. Di CantoH. DijkstraM. DogaruS. DonleavyF. DordeiA. Dosil SuárezD. DossettA. DovbnyaF. DupertuisR. DzhelyadinA. DziurdaA. DzyubaS. EasoU. EgedeV. EgorychevS. EidelmanD. van EijkS. EisenhardtU. EitschbergerR. EkelhofL. EklundI. El RifaiCh. ElsasserD. ElsbyA. FalabellaC. FärberG. FardellC. FarinelliS. FarryV. FaveD. FergusonV. Fernandez AlborF. Ferreira RodriguesM. Ferro-LuzziS. FilippovC. FitzpatrickM. FontanaF. FontanelliR. FortyO. FranciscoM. FrankC. FreiM. FrosiniS. FurcasE. FurfaroA. Gallas TorreiraD. GalliM. GandelmanP. GandiniY. GaoJ. GarofoliP. GarosiJ. Garra TicoL. GarridoC. GasparR. GauldE. GersabeckM. GersabeckT. GershonPh. GhezV. GibsonV. V. GligorovC. GöbelD. GolubkovA. GolutvinA. GomesH. GordonM. Grabalosa GándaraR. Graciani DiazL. A. Granado CardosoE. GraugésG. GrazianiA. GrecuE. GreeningS. GregsonO. GrünbergB. GuiE. GushchinYu. GuzT. GysC. HadjivasiliouG. HaefeliC. HaenS. C. HainesS. HallT. HampsonS. Hansmann-MenzemerN. HarnewS. T. HarnewJ. HarrisonT. HartmannJ. HeV. HeijneK. HennessyP. HenrardJ. A. Hernando MorataE. van HerwijnenE. HicksD. HillM. HoballahC. HombachP. HopchevW. HulsbergenP. HuntT. HuseN. HussainD. HutchcroftD. HyndsV. IakovenkoM. IdzikP. IltenR. JacobssonA. JaegerE. JansP. JatonF. JingM. JohnD. JohnsonC. R. JonesB. JostM. KaballoS. KandybeiM. KaracsonT. M. KarbachI. R. KenyonU. KerzelT. KetelA. KeuneB. KhanjiO. KochebinaI. KomarovR. F. KoopmanP. KoppenburgM. KorolevA. KozlinskiyL. KravchukK. KreplinM. KrepsG. KrockerP. KrokovnyF. KruseM. KucharczykV. KudryavtsevT. KvaratskheliyaV. N. La ThiD. LacarrereG. LaffertyA. LaiD. LambertR. W. LambertE. LanciottiG. LanfranchiC. LangenbruchT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ. -P. LeesR. LefèvreA. LeflatJ. LefrançoisS. LeoO. LeroyB. LeveringtonY. LiL. Li GioiM. LilesR. LindnerC. LinnB. LiuG. LiuJ. von LoebenS. LohnJ. H. LopesE. Lopez AsamarN. Lopez-MarchH. LuD. LucchesiJ. LuisierH. LuoF. MachefertI. V. MachikhiliyanF. MaciucO. MaevS. MaldeG. MancaG. MancinelliU. MarconiR. MärkiJ. MarksG. MartellottiA. MartensL. MartinA. Martín SánchezM. MartinelliD. Martinez SantosD. Martins TostesA. MassafferriR. MatevZ. MatheC. MatteuzziE. MauriceA. MazurovJ. McCarthyR. McNultyA. McNabB. MeadowsF. MeierM. MeissnerM. MerkD. A. MilanesM. -N. MinardJ. Molina RodriguezS. MonteilD. MoranP. MorawskiM. J. MorelloR. MountainI. MousF. MuheimK. MüllerR. MuresanB. MurynB. MusterP. NaikT. NakadaR. NandakumarI. NastevaM. NeedhamN. NeufeldA. D. NguyenT. D. NguyenC. Nguyen-MauM. NicolV. NiessR. NietN. NikitinT. NikodemA. NomerotskiA. NovoselovA. Oblakowska-MuchaV. ObraztsovS. OggeroS. OgilvyO. OkhrimenkoR. OldemanM. OrlandeaJ. M. Otalora GoicocheaP. OwenB. K. PalA. PalanoM. PalutanJ. PanmanA. PapanestisM. PappagalloC. ParkesC. J. ParkinsonG. PassalevaG. D. PatelM. PatelG. N. PatrickC. PatrignaniC. Pavel-NicorescuA. Pazos AlvarezA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniD. L. PeregoE. Perez TrigoA. Pérez-Calero YzquierdoP. PerretM. Perrin-TerrinG. PessinaK. PetridisA. PetroliniA. PhanE. Picatoste OlloquiB. PietrzykT. PilařD. PinciS. PlayferM. Plo CasasusF. PolciG. PolokA. PoluektovE. PolycarpoD. PopovB. PopoviciC. PotteratA. PowellJ. PrisciandaroV. PugatchA. Puig NavarroG. PunziW. QianJ. H. RademackerB. RakotomiaramananaM. S. RangelI. RaniukN. RauschmayrG. RavenS. RedfordM. M. ReidA. C. dos ReisS. RicciardiA. RichardsK. RinnertV. Rives MolinaD. A. Roa RomeroP. RobbeE. RodriguesP. Rodriguez PerezS. RoiserV. RomanovskyA. Romero VidalJ. RouvinetT. RufF. RuffiniH. RuizP. Ruiz VallsG. SabatinoJ. J. Saborido SilvaN. SagidovaP. SailB. SaittaC. SalzmannB. Sanmartin SedesM. SanninoR. SantacesariaC. Santamarina RiosE. SantovettiM. SapunovA. SartiC. SatrianoA. SattaM. SavrieD. SavrinaP. SchaackM. SchillerH. SchindlerM. SchluppM. SchmellingB. SchmidtO. SchneiderA. SchopperM. -H. SchuneR. SchwemmerB. SciasciaA. SciubbaM. SecoA. SemennikovK. SenderowskaI. SeppN. SerraJ. SerranoP. SeyfertM. ShapkinI. ShapovalP. ShatalovY. ShcheglovT. ShearsL. ShekhtmanO. ShevchenkoV. ShevchenkoA. ShiresR. Silva CoutinhoT. SkwarnickiN. A. SmithE. SmithM. SmithM. D. SokoloffF. J. P. SolerF. SoomroD. SouzaB. Souza De PaulaB. SpaanA. SparkesP. SpradlinF. StagniS. StahlO. SteinkampS. StoicaS. StoneB. StoraciM. StraticiucU. StraumannV. K. SubbiahS. SwientekV. SyropoulosM. SzczekowskiP. SzczypkaT. SzumlakS. T'JampensM. TeklishynE. TeodorescuF. TeubertC. ThomasE. ThomasJ. van TilburgV. TisserandM. TobinS. TolkD. TonelliS. Topp-JoergensenN. TorrE. TournefierS. TourneurM. T. TranM. TreschA. TsaregorodtsevP. TsopelasN. TuningM. Ubeda GarciaA. UklejaD. UrnerU. UwerV. VagnoniG. ValentiR. Vazquez GomezP. Vazquez RegueiroS. VecchiJ. J. VelthuisM. VeltriG. VenezianoM. VesterinenB. ViaudD. VieiraX. Vilasis-CardonaA. VollhardtD. VolyanskyyD. VoongA. VorobyevV. VorobyevC. VoßH. VossR. WaldiR. WallaceS. WandernothJ. WangD. R. WardN. K. WatsonA. D. WebberD. WebsdaleM. WhiteheadJ. WichtJ. WiechczynskiD. WiednerL. WiggersG. WilkinsonM. P. WilliamsM. WilliamsF. F. WilsonJ. WishahiM. WitekS. A. WottonS. WrightS. WuK. WyllieY. XieF. XingZ. XingZ. YangR. YoungX. YuanO. YushchenkoM. ZangoliM. ZavertyaevF. ZhangL. ZhangW. C. ZhangY. ZhangA. ZhelezovA. ZhokhovL. ZhongA. Zvyagin

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