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Paper detail

Analysis of the resonant components in Bs->J/ψπ+π-

The decay Bs->J/ψπ+π- can be exploited to study CP violation. A detailed understanding of its structure is imperative in order to optimize its usefulness. An analysis of this three-body final state is performed using a 1.0/fb sample of data produced in 7 TeV pp collisions at the LHC and collected by the LHCb experiment. A modified Dalitz plot analysis of the final state is performed using both the invariant mass spectra and the decay angular distributions. The π+π- system is shown to be dominantly in an S-wave state, and the CP-odd fraction in this Bs decay is shown to be greater than 0.977 at 95% confidence level. In addition, we report the first measurement of the J/ψπ+π- branching fraction relative to J/ψϕ of (19.79 +/- 0.47 +/- 0.52)%.

preprint2012arXivOpen access
The LHCb CollaborationR. AaijC. Abellan BetetaB. AdevaM. AdinolfiC. AdroverA. AffolderZ. AjaltouniJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA. A. Alves JrS. AmatoY. AmhisJ. AndersonR. B. ApplebyO. Aquines GutierrezF. ArchilliA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaS. BachmannJ. J. BackV. BalaguraW. BaldiniR. J. BarlowC. BarschelS. BarsukW. BarterA. BatesC. BauerTh. BauerA. BayI. BediagaS. BelogurovK. BelousI. BelyaevE. Ben-HaimM. BenayounG. BencivenniS. BensonJ. BentonR. BernetM. -O. BettlerM. van BeuzekomA. BienS. BifaniT. BirdA. BizzetiP. M. BjørnstadT. BlakeF. BlancC. BlanksJ. BlouwS. BluskA. BobrovV. BocciA. BondarN. BondarW. BoniventoS. BorghiA. BorgiaT. J. V. BowcockC. BozziT. BrambachJ. van den BrandJ. BressieuxD. BrettM. BritschT. BrittonN. H. BrookH. BrownA. Büchler-GermannI. BurduceaA. BurscheJ. BuytaertS. CadedduO. CallotM. CalviM. Calvo GomezA. CamboniP. CampanaA. CarboneG. CarboniR. CardinaleA. CardiniL. CarsonK. Carvalho AkibaG. CasseM. CattaneoCh. CauetM. CharlesPh. CharpentierN. ChiapoliniK. CibaX. Cid VidalG. CiezarekP. E. L. ClarkeM. ClemencicH. V. CliffJ. ClosierC. CocaV. CocoJ. CoganP. CollinsA. Comerma-MontellsA. ContuA. CookM. CoombesG. CortiB. CouturierG. A. CowanR. CurrieC. D'AmbrosioP. DavidP. N. Y. DavidI. De BonisK. De BruynS. De CapuaM. De CianJ. M. De MirandaL. De PaulaP. De SimoneD. DecampM. DeckenhoffH. DegaudenziL. Del BuonoC. DeplanoD. DerkachO. DeschampsF. DettoriJ. DickensH. DijkstraP. Diniz BatistaF. Domingo BonalS. DonleavyF. DordeiA. Dosil SuárezD. DossettA. DovbnyaF. DupertuisR. DzhelyadinA. DziurdaS. EasoU. EgedeV. EgorychevS. EidelmanD. van EijkF. EiseleS. EisenhardtR. EkelhofL. EklundCh. ElsasserD. ElsbyD. Esperante PereiraA. FalabellaC. FärberG. FardellC. FarinelliS. FarryV. FaveV. Fernandez AlborM. Ferro-LuzziS. FilippovC. FitzpatrickM. FontanaF. FontanelliR. FortyO. FranciscoM. FrankC. FreiM. FrosiniS. FurcasA. Gallas TorreiraD. GalliM. GandelmanP. GandiniY. GaoJ-C. GarnierJ. GarofoliJ. Garra TicoL. GarridoD. GasconC. GasparR. GauldN. GauvinM. GersabeckT. GershonPh. GhezV. GibsonV. V. GligorovC. GöbelD. GolubkovA. GolutvinA. GomesH. GordonM. Grabalosa GándaraR. Graciani DiazL. A. Granado CardosoE. GraugésG. GrazianiA. GrecuE. GreeningS. GregsonB. GuiE. GushchinYu. GuzT. GysC. HadjivasiliouG. HaefeliC. HaenS. C. HainesT. HampsonS. Hansmann-MenzemerR. HarjiN. HarnewJ. HarrisonP. F. HarrisonT. HartmannJ. HeV. HeijneK. HennessyP. HenrardJ. A. Hernando MorataE. van HerwijnenE. HicksK. HolubyevP. HopchevW. HulsbergenP. HuntT. HuseR. S. HustonD. HutchcroftD. HyndsV. IakovenkoP. IltenJ. ImongR. JacobssonA. JaegerM. Jahjah HusseinE. JansF. JansenP. JatonB. Jean-MarieF. JingM. JohnD. JohnsonC. R. JonesB. JostM. KaballoS. KandybeiM. KaracsonT. M. KarbachJ. KeaveneyI. R. KenyonU. KerzelT. KetelA. KeuneB. KhanjiY. M. KimM. KnechtR. F. KoopmanP. KoppenburgM. KorolevA. KozlinskiyL. KravchukK. KreplinM. KrepsG. KrockerP. KrokovnyF. KruseK. KruzeleckiM. KucharczykV. KudryavtsevT. KvaratskheliyaV. N. La ThiD. LacarrereG. LaffertyA. LaiD. LambertR. W. LambertE. LanciottiG. LanfranchiC. LangenbruchT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ. -P. LeesR. LefévreA. LeflatJ. LefrançoisO. LeroyT. LesiakL. LiL. Li GioiM. LiengM. LilesR. LindnerC. LinnB. LiuG. LiuJ. von LoebenJ. H. LopesE. Lopez AsamarN. Lopez-MarchH. LuJ. LuisierA. Mac RaighneF. MachefertI. V. MachikhiliyanF. MaciucO. MaevJ. MagninS. MaldeR. M. D. MamunurG. MancaG. MancinelliN. MangiafaveU. MarconiR. MärkiJ. MarksG. MartellottiA. MartensL. MartinA. Martín SánchezM. MartinelliD. Martinez SantosA. MassafferriZ. MatheC. MatteuzziM. MatveevE. MauriceB. MaynardA. MazurovG. McGregorR. McNultyM. MeissnerM. MerkJ. MerkelS. MiglioranziD. A. MilanesM. -N. MinardJ. Molina RodriguezS. MonteilD. MoranP. MorawskiR. MountainI. MousF. MuheimK. MüllerR. MuresanB. MurynB. MusterJ. Mylroie-SmithP. NaikT. NakadaR. NandakumarI. NastevaM. NeedhamN. NeufeldA. D. NguyenC. Nguyen-MauM. NicolV. NiessN. NikitinT. NikodemA. NomerotskiA. NovoselovA. Oblakowska-MuchaV. ObraztsovS. OggeroS. OgilvyO. OkhrimenkoR. OldemanM. OrlandeaJ. M. Otalora GoicocheaP. OwenB. K. PalJ. PalaciosA. PalanoM. PalutanJ. PanmanA. PapanestisM. PappagalloC. ParkesC. J. ParkinsonG. PassalevaG. D. PatelM. PatelS. K. PatersonG. N. PatrickC. PatrignaniC. Pavel-NicorescuA. Pazos AlvarezA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniD. L. PeregoE. Perez TrigoA. Pérez-Calero YzquierdoP. PerretM. Perrin-TerrinG. PessinaA. PetroliniA. PhanE. Picatoste OlloquiB. Pie VallsB. PietrzykT. PilařD. PinciR. PlackettS. PlayferM. Plo CasasusG. PolokA. PoluektovE. PolycarpoD. PopovB. PopoviciC. PotteratA. PowellJ. PrisciandaroV. PugatchA. Puig NavarroW. QianJ. H. RademackerB. RakotomiaramananaM. S. RangelI. RaniukG. RavenS. RedfordM. M. ReidA. C. dos ReisS. RicciardiA. RichardsK. RinnertD. A. Roa RomeroP. RobbeE. RodriguesF. RodriguesP. Rodriguez PerezG. J. RogersS. RoiserV. RomanovskyM. RoselloJ. RouvinetT. RufH. RuizG. SabatinoJ. J. Saborido SilvaN. SagidovaP. SailB. SaittaC. SalzmannM. SanninoR. SantacesariaC. Santamarina RiosR. SantinelliE. SantovettiM. SapunovA. SartiC. SatrianoA. SattaM. SavrieD. SavrinaP. SchaackM. SchillerH. SchindlerS. SchleichM. 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. SmithK. SobczakF. J. P. SolerA. SolominF. SoomroB. Souza De PaulaB. SpaanA. SparkesP. SpradlinF. StagniS. StahlO. SteinkampS. StoicaS. StoneB. StoraciM. StraticiucU. StraumannV. K. SubbiahS. SwientekM. SzczekowskiP. SzczypkaT. SzumlakS. T'JampensE. TeodorescuF. TeubertC. ThomasE. ThomasJ. van TilburgV. TisserandM. TobinS. TolkS. Topp-JoergensenN. TorrE. TournefierS. TourneurM. T. TranA. TsaregorodtsevN. TuningM. Ubeda GarciaA. UklejaU. UwerV. VagnoniG. ValentiR. Vazquez GomezP. Vazquez RegueiroS. VecchiJ. J. VelthuisM. VeltriB. ViaudI. VideauD. VieiraX. Vilasis-CardonaJ. VisniakovA. VollhardtD. VolyanskyyD. VoongA. VorobyevV. VorobyevH. VossR. WaldiS. WandernothJ. WangD. R. WardN. K. WatsonA. D. WebberD. WebsdaleM. WhiteheadD. WiednerL. WiggersG. WilkinsonM. P. WilliamsM. WilliamsF. F. WilsonJ. WishahiM. WitekW. WitzelingS. A. WottonK. WyllieY. XieF. XingZ. XingZ. YangR. YoungO. YushchenkoM. ZangoliM. ZavertyaevF. ZhangL. ZhangW. C. ZhangY. ZhangA. ZhelezovL. ZhongA. Zvyagin
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Authors

The LHCb CollaborationR. AaijC. Abellan BetetaB. AdevaM. AdinolfiC. AdroverA. AffolderZ. AjaltouniJ. AlbrechtF. AlessioM. AlexanderS. AliG. AlkhazovP. Alvarez CartelleA. A. Alves JrS. AmatoY. AmhisJ. AndersonR. B. ApplebyO. Aquines GutierrezF. ArchilliA. ArtamonovM. ArtusoE. AslanidesG. AuriemmaS. BachmannJ. J. BackV. BalaguraW. BaldiniR. J. BarlowC. BarschelS. BarsukW. BarterA. BatesC. BauerTh. BauerA. BayI. BediagaS. BelogurovK. BelousI. BelyaevE. Ben-HaimM. BenayounG. BencivenniS. BensonJ. BentonR. BernetM. -O. BettlerM. van BeuzekomA. BienS. BifaniT. BirdA. BizzetiP. M. BjørnstadT. BlakeF. BlancC. BlanksJ. BlouwS. BluskA. BobrovV. BocciA. BondarN. BondarW. BoniventoS. BorghiA. BorgiaT. J. V. BowcockC. BozziT. BrambachJ. van den BrandJ. BressieuxD. BrettM. BritschT. BrittonN. H. BrookH. BrownA. Büchler-GermannI. BurduceaA. BurscheJ. BuytaertS. CadedduO. CallotM. CalviM. Calvo GomezA. CamboniP. CampanaA. CarboneG. CarboniR. CardinaleA. CardiniL. CarsonK. Carvalho AkibaG. CasseM. CattaneoCh. CauetM. CharlesPh. CharpentierN. ChiapoliniK. CibaX. Cid VidalG. CiezarekP. E. L. ClarkeM. ClemencicH. V. CliffJ. ClosierC. CocaV. CocoJ. CoganP. CollinsA. Comerma-MontellsA. ContuA. CookM. CoombesG. CortiB. CouturierG. A. CowanR. CurrieC. D'AmbrosioP. DavidP. N. Y. DavidI. De BonisK. De BruynS. De CapuaM. De CianJ. M. De MirandaL. De PaulaP. De SimoneD. DecampM. DeckenhoffH. DegaudenziL. Del BuonoC. DeplanoD. DerkachO. DeschampsF. DettoriJ. DickensH. DijkstraP. Diniz BatistaF. Domingo BonalS. DonleavyF. DordeiA. Dosil SuárezD. DossettA. DovbnyaF. DupertuisR. DzhelyadinA. DziurdaS. EasoU. EgedeV. EgorychevS. EidelmanD. van EijkF. EiseleS. EisenhardtR. EkelhofL. EklundCh. ElsasserD. ElsbyD. Esperante PereiraA. FalabellaC. FärberG. FardellC. FarinelliS. FarryV. FaveV. Fernandez AlborM. Ferro-LuzziS. FilippovC. FitzpatrickM. FontanaF. FontanelliR. FortyO. FranciscoM. FrankC. FreiM. FrosiniS. FurcasA. Gallas TorreiraD. GalliM. GandelmanP. GandiniY. GaoJ-C. GarnierJ. GarofoliJ. Garra TicoL. GarridoD. GasconC. GasparR. GauldN. GauvinM. GersabeckT. GershonPh. GhezV. GibsonV. V. GligorovC. GöbelD. GolubkovA. GolutvinA. GomesH. GordonM. Grabalosa GándaraR. Graciani DiazL. A. Granado CardosoE. GraugésG. GrazianiA. GrecuE. GreeningS. GregsonB. GuiE. GushchinYu. GuzT. GysC. HadjivasiliouG. HaefeliC. HaenS. C. HainesT. HampsonS. Hansmann-MenzemerR. HarjiN. HarnewJ. HarrisonP. F. HarrisonT. HartmannJ. HeV. HeijneK. HennessyP. HenrardJ. A. Hernando MorataE. van HerwijnenE. HicksK. HolubyevP. HopchevW. HulsbergenP. HuntT. HuseR. S. HustonD. HutchcroftD. HyndsV. IakovenkoP. IltenJ. ImongR. JacobssonA. JaegerM. Jahjah HusseinE. JansF. JansenP. JatonB. Jean-MarieF. JingM. JohnD. JohnsonC. R. JonesB. JostM. KaballoS. KandybeiM. KaracsonT. M. KarbachJ. KeaveneyI. R. KenyonU. KerzelT. KetelA. KeuneB. KhanjiY. M. KimM. KnechtR. F. KoopmanP. KoppenburgM. KorolevA. KozlinskiyL. KravchukK. KreplinM. KrepsG. KrockerP. KrokovnyF. KruseK. KruzeleckiM. KucharczykV. KudryavtsevT. KvaratskheliyaV. N. La ThiD. LacarrereG. LaffertyA. LaiD. LambertR. W. LambertE. LanciottiG. LanfranchiC. LangenbruchT. LathamC. LazzeroniR. Le GacJ. van LeerdamJ. -P. LeesR. LefévreA. LeflatJ. LefrançoisO. LeroyT. LesiakL. LiL. Li GioiM. LiengM. LilesR. LindnerC. LinnB. LiuG. LiuJ. von LoebenJ. H. LopesE. Lopez AsamarN. Lopez-MarchH. LuJ. LuisierA. Mac RaighneF. MachefertI. V. MachikhiliyanF. MaciucO. MaevJ. MagninS. MaldeR. M. D. MamunurG. MancaG. MancinelliN. MangiafaveU. MarconiR. MärkiJ. MarksG. MartellottiA. MartensL. MartinA. Martín SánchezM. MartinelliD. Martinez SantosA. MassafferriZ. MatheC. MatteuzziM. MatveevE. MauriceB. MaynardA. MazurovG. McGregorR. McNultyM. MeissnerM. MerkJ. MerkelS. MiglioranziD. A. MilanesM. -N. MinardJ. Molina RodriguezS. MonteilD. MoranP. MorawskiR. MountainI. MousF. MuheimK. MüllerR. MuresanB. MurynB. MusterJ. Mylroie-SmithP. NaikT. NakadaR. NandakumarI. NastevaM. NeedhamN. NeufeldA. D. NguyenC. Nguyen-MauM. NicolV. NiessN. NikitinT. NikodemA. NomerotskiA. NovoselovA. Oblakowska-MuchaV. ObraztsovS. OggeroS. OgilvyO. OkhrimenkoR. OldemanM. OrlandeaJ. M. Otalora GoicocheaP. OwenB. K. PalJ. PalaciosA. PalanoM. PalutanJ. PanmanA. PapanestisM. PappagalloC. ParkesC. J. ParkinsonG. PassalevaG. D. PatelM. PatelS. K. PatersonG. N. PatrickC. PatrignaniC. Pavel-NicorescuA. Pazos AlvarezA. PellegrinoG. PensoM. Pepe AltarelliS. PerazziniD. L. PeregoE. Perez TrigoA. Pérez-Calero YzquierdoP. PerretM. Perrin-TerrinG. PessinaA. PetroliniA. PhanE. Picatoste OlloquiB. Pie VallsB. PietrzykT. PilařD. PinciR. PlackettS. PlayferM. Plo CasasusG. PolokA. PoluektovE. PolycarpoD. PopovB. PopoviciC. PotteratA. PowellJ. PrisciandaroV. PugatchA. Puig NavarroW. QianJ. H. RademackerB. RakotomiaramananaM. S. RangelI. RaniukG. RavenS. RedfordM. M. ReidA. C. dos ReisS. RicciardiA. RichardsK. RinnertD. A. Roa RomeroP. RobbeE. RodriguesF. RodriguesP. Rodriguez PerezG. J. RogersS. RoiserV. RomanovskyM. RoselloJ. RouvinetT. RufH. RuizG. SabatinoJ. J. Saborido SilvaN. SagidovaP. SailB. SaittaC. SalzmannM. SanninoR. SantacesariaC. Santamarina RiosR. SantinelliE. SantovettiM. SapunovA. SartiC. SatrianoA. SattaM. SavrieD. SavrinaP. SchaackM. SchillerH. SchindlerS. SchleichM. 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. SmithK. SobczakF. J. P. SolerA. SolominF. SoomroB. Souza De PaulaB. SpaanA. SparkesP. SpradlinF. StagniS. StahlO. SteinkampS. StoicaS. StoneB. StoraciM. StraticiucU. StraumannV. K. SubbiahS. SwientekM. SzczekowskiP. SzczypkaT. SzumlakS. T'JampensE. TeodorescuF. TeubertC. ThomasE. ThomasJ. van TilburgV. TisserandM. TobinS. TolkS. Topp-JoergensenN. TorrE. TournefierS. TourneurM. T. TranA. TsaregorodtsevN. TuningM. Ubeda GarciaA. UklejaU. UwerV. VagnoniG. ValentiR. Vazquez GomezP. Vazquez RegueiroS. VecchiJ. J. VelthuisM. VeltriB. ViaudI. VideauD. VieiraX. Vilasis-CardonaJ. VisniakovA. VollhardtD. VolyanskyyD. VoongA. VorobyevV. VorobyevH. VossR. WaldiS. WandernothJ. WangD. R. WardN. K. WatsonA. D. WebberD. WebsdaleM. WhiteheadD. WiednerL. WiggersG. WilkinsonM. P. WilliamsM. WilliamsF. F. WilsonJ. WishahiM. WitekW. WitzelingS. A. WottonK. WyllieY. XieF. XingZ. XingZ. YangR. YoungO. YushchenkoM. ZangoliM. ZavertyaevF. ZhangL. ZhangW. C. ZhangY. ZhangA. ZhelezovL. ZhongA. Zvyagin

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