6533b82bfe1ef96bd128d556
RESEARCH PRODUCT
Effective lifetime measurements in theBs0→K+K−,B0→K+π−andBs0→π+K−decays
P. NaikL. TomassettiN. HussainS. ReichertM. SchmellingS. LeoM. HessF. KruseF. MachefertT. HeadC. HombachR. CalabreseG. WilkinsonI. R. KenyonX. YuanJ. GarofoliM. PappagalloM. PappagalloV. A. KudryavtsevV. A. KudryavtsevJ. AlbrechtD. MoranM. VesterinenA. SattaC. ParkesUlrik EgedeS. GianìV. RomanovskyI. ShapovalJ. A. De VriesJ. Van TilburgF. ZhangM. VeltriJ. AndersonPhilip IltenC. SatrianoC. SatrianoA. Romero VidalR. LindnerE. LanciottiG. ValentiJonas RademackerD. DossettV. Rives MolinaH. L. SnoekR. W. LambertG. AuriemmaA. ContuRoberta CardinaleRoberta CardinaleY. N. GaoOlivier LeroyStephen M. StahlW. KansoN. NeufeldO. KochebinaP. OwenA. Gallas TorreiraA. Gallas TorreiraA. SemennikovD. BrettLars EklundLars EklundLars EklundC. Sanchez MayordomoM. ShapkinH. V. CliffA. RichardsM. BaalouchA. JaegerFederico AlessioJ. BlouwY. ShcheglovMatthew KelseyZiad AjaltouniA. Pazos AlvarezG. MancinelliF. FontanelliG. VenezianoC. LangenbruchW. C. ZhangT. KvaratskheliyaO. SchneiderMark WhiteheadMark WhiteheadM. FrosiniM. FrosiniM. FrosiniF. F. JingU. EitschbergerYejin ZhangSemen EidelmanSemen EidelmanA. PalanoTomasz SzumlakP. MorawskiR. LefèvreCh. ElsasserA. Di CantoS. BelogurovW. BoniventoE. GraugHans DijkstraM. PatelN. K. WatsonR. CenciD. TonelliW. SutcliffeA. ZhokhovA. BadalovR. MaerkiD. WebsdaleS. StevensonM. Vieites DiazW. De SilvaEleonora LuppiM. Pepe AltarelliL. AnderliniL. AnderliniMarco GersabeckF. J. P. SolerF. J. P. SolerS. AliS. C. HainesA. HicheurD. LacarrereM. MccannA. UstyuzhaninB. CouturierP. SeyfertA. FalabellaT. D. NguyenS.-f. CheungO. MaevC. MatteuzziA. McnabG. MancaD. Martins TostesRoland BernetE. Picatoste OlloquiT. PilarS. WandernothM. HoballahG. CiezarekN. ChiapoliniN. ChiapoliniOscar De Aguiar FranciscoI. SeppG. PassalevaO. LuptonM. T. TranR. GauldC. GasparJing WangS. AmerioW. WislickiStephane MonteilS. GregsonR. JacobssonL. ZhongB. ViaudC. BozziK. SenderowskaD. R. JohnsonL. PescatoreWilliam BarterKarol HennessyG. WormserTomasz SkwarnickiAngelo GeraciAngelo GeraciM. CharlesAngelo CarboneR. NandakumarJaap VelthuisMarianna FontanaR. AndreassenN. SagidovaT. BirdP. DavidL. CassinaH. VossMatthew NeedhamDavid HutchcroftS. OgilvyS. OgilvyC. R. JonesS. WrightSebastian BachmannMartino BorsatoM. VanbeuzekomV. GibsonA. TsaregorodtsevCarmelo D'ambrosioA. PritchardM. SapunovA. PetroliniH. Carranza-mejiaJakub MoronA. LeflatH. LuoS. PerazziniSheldon StoneA. PopovOleg StenyakinE. Ben-haimN. MoggiJ. Molina RodriguezI. NastevaC. LazzeroniM. MeissnerH. LuG. TellariniV. ObraztsovT. RufV. N. LathiE. CognerasY. LiMichal KrepsM. P. WilliamsS. MaldeB. JostC. KhurewathanakulA. NovoselovB. GuiC. Santamarina RiosStephane T'jampensLaura GavardiMarta CalviStephan EisenhardtMichael KolpinG. LanfranchiMariana RihlBo LiuC. FitzpatrickM. CoombesElie AslanidesC. PatrignaniM. FioriniK. Carvalho AkibaN. A. SmithC. GoebelL. Del BuonoR. F. KoopmanC. HaenMarco ClemencicJ. P. LeesR. MuresanT. BrittonB. McskellyIvan BelyaevB. 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ZhelezovC. ThomasD. LambertJeremy DalsenoMalcolm JohnM. GandelmanM. Ubeda GarciaP. GriffithK. CibaLaurence CarsonM. AndreottiM. TreschE. GushchinC. LinnJ. F. J. Van Den BrandO. Aquines GutierrezSergey BarsukC. JoramSimone BifaniM. CorvoD. WiednerH. RuizM. OrlandeaJ. PanmanV. VorobyevV. VorobyevB. LeveringtonM. ChrzaszczM. ChrzaszczNikolay BondarL. GiubegaL. Castillo GarciaO. OkhrimenkoFrancesco DettoriA. SciubbaPascal PerretJ. MarksM. StraticiucG. A. CowanC. WallaceGerco OnderwaterAgnieszka Oblakowska-muchaD. HillMaurizio MartinelliM. SzczekowskiS. De CapuaNikolay NikitinD. SavrinaJ. WichtJan MaratasA. C. Dos ReisM. FioreXiaoxue HanG. AlkhazovS. FarryRobert FayM. Calvo GomezGuoming LiuG. CortiDaniel Charles CraikHoward GordonJ. WishahiM. TobinT. HampsonKrzysztof SwientekFranco BedeschiBrian MeadowsBrian MeadowsB. K. PalF. BlancI. CountsG. GrazianiPeter ClarkeP. N. Y. DavidP. Vazquez RegueiroR. Silva CoutinhoDmitry PopovMarco CattaneoB. SchmidtB. Sanmartin SedesBarbara SciasciaM. SavrieJ. MccarthyR. SantacesariaA. DavisJ. WimberleyJulien CoganR. MatevJ. RouvinetR. McnultyD. VolyanskyyCh. CauetK. WyllieA. VallierMarkus FrankM. MerkB. RachwalMarco DorigoS. EsenVladislav BalaguraS. DonleavyP. SpradlinP. SpradlinC. BarschelJ. PrisciandaroMark Richard James WilliamsC. PotteratM. Cruz TorresMikhail ZavertyaevMikhail ZavertyaevA. UklejaThemistocles BowcockB. KhanjiAntonio PellegrinoKurt RinnertS. CoquereauP. KrokovnyP. KrokovnyE. PolycarpoTatsuya NakadaG. BencivenniL. GrilloP. DuranteE. GreeningPatrick KoppenburgLei ZhangA. GianelleSandro CadedduB. MusterS. TolkC. Vyzquez SierraI. El RifaiS. VecchiR. NietA. VollhardtK. MuellerMichael AlexanderMichael AlexanderD. LucchesiD. LucchesiYasmine AmhisM. SmithC. FaerberM. H. SchuneU. UwerR. StroiliJohn Backsubject
Hadronic decayPhysicsNuclear and High Energy PhysicsDecay timeNuclear magnetic resonance010308 nuclear & particles physics0103 physical sciencesAnalytical chemistryPi010306 general physics01 natural sciencesdescription
Measurements of the effective lifetimes in the B-s(0) -> K+K-, B-0 -> K+pi(-) and B-s(0) -> pi K-+(-) decays are presented using 1.0 fb(-1)of pp collision data collected at a centre-of-mass energy of 7 TeV by the LHCb experiment. The analysis uses a data-driven approach to correct for the decay time acceptance. The measured effective lifetimes are tau(Bs0 -> K+K-) = 1.407 +/- 0.016 (stat) +/- 0.007 (syst) ps, tau(Bs0 -> K+pi-) = 1.524 +/- 0.011 (stat) +/- 0.004 (syst) ps, tau(Bs0 ->pi+K-) = 1.60 +/- 0.06 (stat) +/- 0.01 (syst) ps. This is the most precise determination to date of the effective lifetime in the B-s(0) -> K+K- decay and provides constraints on contributions from physics beyond the Standard Model to the B-s(0) mixing phase and the width difference Delta Gamma(s). (C) 2014 The Authors. Published by Elsevier B.V.
year | journal | country | edition | language |
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2014-09-01 | Physics Letters B |