6533b827fe1ef96bd1286e40
RESEARCH PRODUCT
Measurement of resonant andCPcomponents inB¯s0→J/ψπ+π−decays
T. E. LathamC. ThomasO. CallotI. ShapovalD. LambertJ. F. J. Van Den BrandSimone BifaniC. FarinelliG. ValentiA. KozlinskiyJ. PanmanA. DovbnyaE. BowenA. BayO. ShevchenkoP. OwenJ. BlouwA. LeflatJ. Molina RodriguezPh. CharpentierG. MancinelliMatthew KelseyD. Martinez SantosB. T. MeadowsJ. Van LeerdamG. RavenD. DecampA. GolutvinR. NandakumarLaura GavardiD. DossettS. PerazziniH. V. CliffFederico AlessioA. B. RodriguesS. FarryD. R. JohnsonJ. HeA. PistoneL. De PaulaFederica LionettoPietro MarinoJ. MccarthyS. RicciardiS. RedfordR. SantacesariaD. WiednerC. R. JonesE. Ben-haimAgnieszka Oblakowska-muchaC. Pavel-nicorescuM. D. SokoloffA. D. WebberF. MeierG. D. LaffertyM. Perrin-terrinChristoph FreiM. KorolevIvan BelyaevNikolay BondarCh. ElsasserO. OkhrimenkoA. DavisJ. WimberleyT. J. V. BowcockM. ShapkinS. EasoW. De SilvaD. WebsdaleJulien CoganY. ShcheglovN. TuningB. CouturierLucio AnderliniOscar De Aguiar FranciscoB. RachwalA. BorgiaMarco DorigoR. MatevA. ArtamonovAlexander BerezhnoyM. RotondoJonas RademackerR. WallaceT. KvaratskheliyaO. LuptonPh. GhezA. SciubbaJ. RouvinetJ. MarksM. StraticiucA. PopovM. T. TranV. Salustino GuimaraesH. BrownR. GauldN. RauschmayrB. Souza De PaulaA. PalanoTomasz SzumlakR. McnultyP. KrokovnyEduardo RodriguesA. PapanestisD. VolyanskyyCh. CauetN. A. SmithE. Perez TrigoE. Van HerwijnenZ. MatheR. EkelhofA. GrecuD. Martins TostesMark Richard James WilliamsG. A. CowanMikhail ZavertyaevD. VoongL. SunR. Le GacM. WitekJ. J. BackM. HoballahJohannes AlbrechtMalcolm JohnM. GandelmanP. DavidM. TreschE. GushchinC. LinnK. WyllieB. PietrzykV. N. La ThiA. TsaregorodtsevStephen M. StahlN. NeufeldM. TobinT. HampsonFranco BedeschiBernardo AdevaG. CiezarekR. JacobssonSimone StrackaT. HartmannL. GarridoE. TournefierD. A. RobertsSheldon StoneP. JatonS. TolkS. EsenPatrick RobbeA. OyangurenC. LangenbruchVarvara BatozskayaW. C. ZhangA. Romero VidalB. K. PalS. TourneurVladislav BalaguraT. BrittonP. HenrardD. VieiraE. TeodorescuS. StoicaO. KochebinaP. SpradlinJ. 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De CapuaF. TeubertNikolay NikitinJ. LefrançoisN. NeriW. BaldiniD. SavrinaW. QianJ. WichtA. C. Dos ReisI. RaniukPierluigi CampanaE. CognerasS. A. WottonRudolf OldemanA. Gallas TorreiraX. Cid VidalT. M. KarbachMarco AdinolfiS. NeubertV. ShevchenkoA. SparkesA. JaegerF. F. JingU. EitschbergerP. MorawskiW. BoniventoL. ZhongO. SteinkampPeter ClarkeH. VossMatthew NeedhamB. McskellyR. F. KoopmanC. HaenC. HadjivasiliouRoger FortyJ. BeddowE. SantovettiZishuo YangM. PalutanGabriele SimiM. TeklishynAlbert BurscheM. O. BettlerV. V. GligorovMatteo ManzaliP. NaikS. RoiserG. SabatinoS. ReichertM. SchmellingM. NicolT. NikodemF. StagniI. R. KenyonM. PappagalloD. PinciM. VesterinenS. GianìV. RomanovskyV. Rives MolinaJan BuytaertM. Plo CasasusS. T. HarnewR. CurrieM. P. WilliamsS. Hansmann-menzemerA. SchopperM. HeßR. MountainT. LesiakWilliam BarterAngelo CarboneJaap VelthuisM. SapunovS. MaldeM. CoombesB. PopoviciN. DéléageIgnacio BediagaE. ThomasE. GersabeckC. FärberB. MurynL. KravchukAlessandro CardiniJ. M. De MirandaN. SkidmoreV. VagnoniE. Luppisubject
PhysicsNuclear and High Energy PhysicsParticle physicsLarge Hadron Collider010308 nuclear & particles physicsAbsolute valueState (functional analysis)01 natural sciencesLuminosity0103 physical sciencesIntermediate stateSubstructureTetraquarkAtomic physics010306 general physicsMixing (physics)description
Structure of the decay Bs0→J/ψπ+π- is studied using data corresponding to 3fb-1 of integrated luminosity from pp collisions produced by the LHC and collected by the LHCb detector. Five interfering π+π- states are required to describe the decay: f0(980),f0(1500),f0(1790),f2(1270), and f2′(1525). An alternative model including these states and a nonresonant J/ψπ+π- component also provides a good description of the data. Based on the different transversity components measured for the spin-2 intermediate states, the final state is found to be compatible with being entirely CP odd. The CP-even part is found to be <2.3% at a 95% confidence level. The f0(500) state is not observed, allowing a limit to be set on the absolute value of the mixing angle with the f0(980) of <7.7° at a 90% confidence level, consistent with a tetraquark interpretation of the f0(980) substructure.
year | journal | country | edition | language |
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2014-05-14 | Physical Review D |