6533b82efe1ef96bd1293aa5

RESEARCH PRODUCT

Study of the decayB¯0→Λc+p¯π+π−and its intermediate states

Dmytro KovalskyiA. M. EisnerJ. P. LeesL. Li GioiJ. Va’vraO. HamonColin JessopR. PrepostG. Hamel De MonchenaultD. GambaB. C. WrayC. HeartyV. SantoroE. TorrenceN. GuttmanM. V. PurohitD. J. SummersB. StuguB. N. RatcliffJ. AlbertD. SuR. ContriG. MarchioriR. SchwierzM. WittgenR. Baldini-ferroliM. PiccoloR. FacciniR. J. SobieD. KirkbyG. VasseurF. FerrarottoA. J. LankfordF. Le DiberderK. T. FloodL. VitaleF. Martinez-vidalG. BatignaniGiulia CasarosaM. A. MazzoniG. WormserDominik MüllerR. M. WhiteM. Franco SevillaC. CartaroJ. D. RichmanA. CalcaterraH. AtmacanPeter S. KimPhilippe GrenierC. C. YoungW. T. MeyerP. RoudeauPablo Villanueva-perezM. MandelkernA. RoodmanR. BartoldusG. A. CowanCorrado AngeliniStephen SekulaP. PatteriD. R. PeimerB. BhuyanT. SchroederU. UwerMarco BombenP. C. BloomD. Lopes PegnaB. G. FulsomA. KhanE. GraugesSimon AkarS. ZambitoJ. F. BenitezF. SimonettoR. H. SchindlerB. EchenardW. DunwoodieMario GiorgiG. JacksonE. FioravantiT. PulliamRoger BarlowG. OnoratoD. BernardV. B. GolubevB. LindquistDouglas WrightJ. R. FryV. P. DruzhininC. BozziK. HonscheidC. H. ChengJ. J. WalshG. J. KingMartino MargoniC. A. ChavezB. SpaanR. FreySridhara DasuS. SittRoland WaldiEnrico RobuttiP. OngmongkolkulF. FerroniM. K. SullivanH. W. WulsinW. GradlR. De SangroL. LanceriM. Lo VetereG. RavenC. BüngerR. C. FieldS. L. WuR. F. SchwittersJ. DorfanM. PosoccoMarcello RotondoG. De NardoM. SigamaniG. FinocchiaroV. LuthL. M. CremaldiK. Yu TodyshevP. R. BurchatPaul Fraser HarrisonM. S. AlamT. S. MattisonR. StroiliW. H. TokiG. RizzoA. SnyderZ. C. HuardAlessandro RossiR. KroegerE. Ben-haimR. CenciH. SchröderS. LuitzP. M. PatelA. G. DenigJ. E. BrauP. LewisS. StrackaA. M. RulandA. JawaheryA. A. SalnikovA. ZalloAndrea Rodriguez PerezJames R. WilsonH. BriandStephen Robert WagnerC. HastD. J. LangeG. PireddaG. LynchM. L. KocianG. CibinettoAbner SofferA. M. GabareenW. T. FordTim AdyeR. SaccoMatteo RamaD. G. HitlinF. AnulliK. R. SchubertM. MoriiPh LerusteS. PacettiR. CowanN. ArnaudR. D. KassM. CarpinelliM. FritschAlessandro GazYu. G. KolomenskyCh YècheV. PrasadS. PrellB. OberhofM. J. LewczukG. EigenR. GodangA. J. MartinezS. H. RobertsonE. FeltresiMaurizio BiasiniE. A. KravchenkoNicola NeriJames H CochranV. PoireauB. MalaescuJ. OcarizS. EmeryHerbert KochA. J.s. SmithH. L. LynchEleonora LuppiW. ParkMaria Roberta MongeH. A. NealD. MonorchioI. M. NugentJ. W. GaryA. P. OnuchinCrisostomo SciaccaD. AstonA. LusianiS. BettariniGeorge LaffertyJ. A. MckennaR. GorodeiskyM. SimardD. A. RobertsA. StocchiR. CheaibP. D. DaunceyT. HartmannOwen Rosser LongG. P. Dubois-felsmannA. SeidenD. S. ChaoD. M. StromG. GrosdidierM. BellisK. GriessingerM. DavierA. R. BuzykaevR. AyadA. HafnerJ. M. LoseccoMichael SokoloffJ. A. ErnstE. M. T. PuccioClaudio CampagnariMarie Helene SchuneChristopher WestBrian MeadowsT. M. HongN. B. SinevA. AdametzV. ZieglerMatthew KelseyL. SunA. PalanoF. FortiD. B. MacfarlaneYu I. SkovpenAlberto CervelliG. SciollaB. HamiltonM. EbertP. TarasE. P. SolodovM. L. PerlJoseph IzenAdrian John BevanT. LueckJ. KrosebergDavid HutchcroftFergus WilsonM. GasperoGabriele SimiC. L. DavisJ. P. ColemanA. OyangurenW. F. WangN. GagliardiP. SonnekTimothy GershonC. TouramanisY. B. PanR. KowalewskiA. M. LutzW. J. WisniewskiA. Y. RakitinH. AhmedS. NelsonS. PassaggioO. GrünbergDenis DerkachI. M. PeruzziR. CalabreseD. DujmicElisa ManoniS. PlayferS. I. SerednyakovF. BianchiM. T. GrahamA. E. RubinD. LindemannBruce SchummE. PrencipeX. NguyenAndrei GritsanA. N. YushkovHeiko LackerChunhui ChenA. P. WagnerMauro MorandinJ. ChauveauS. M. SpanierE. BehnJ. R. SmithX. C. LouD. N. BrownM. VerderiV. E. BlinovG. R. BonneaudU. MallikD. W. G. S. LeithT. S. MiyashitaG. CalderiniG. M. VitugP. BiassoniE. O. OlaiyaFlorian Urs BernlochnerF. PalomboJames D. OlsenC. DallapiccolaT. LeddigL. T. KerthN. TasneemH. R. BandAidan Randle-condeW. S. LockmanM. R. ConveryElisa GuidoJ. L. RitchieR. Y. SoR. AndreassenP. J. ClarkF. Di LodovicoD. J. PayneU. NauenbergD. BettoniMaurizio MartinelliJ. M. RoneyI. GarziaD. H. WrightThomas LathamC. PatrignaniV. TisserandSw. BanerjeeH. H. F. ChoiL. PiemonteseE. GabathulerW. R. InnesF. C. PorterD. J. AsgeirssonC. Voß

subject

PhysicsBaryonCharmed baryonsNuclear and High Energy PhysicsCrystallography010308 nuclear & particles physicsBranching fractionElectron–positron annihilation0103 physical sciencesAtomic physics010306 general physics01 natural sciences

description

We study the decay B^0→Λ_c^+p π^+π^-, reconstructing the Λ_c^+ baryon in the pK^-π^+ mode, using a data sample of 467×10^6 BB pairs collected with the BABAR detector at the PEP-II storage rings at SLAC. We measure branching fractions for decays with intermediate Σ_c baryons to be B[B^0→Σ_c(2455)^(++)pπ^-]=(21.3±1.0±1.0±5.5)×10^(-5), B[B^0→Σ_c(2520)^(++)pπ^-]=(11.5±1.0±0.5±3.0)×10^(-5), B[B^0→Σ_c(2455)^0pπ^+]=(9.1±0.7±0.4±2.4)×10^(-5), and B[B^0→Σ_c(2520)^0pπ^+]=(2.2±0.7±0.1±0.6)×10^(-5), where the uncertainties are statistical, systematic, and due to the uncertainty on the Λ_c^+→pK^-π^+ branching fraction, respectively. For decays without Σ_c(2455) or Σ_c(2520) resonances, we measure B[B^0→Λ^c^+pπ^+π^-]_(non-)Σ_c= (79±4±4±20)×10^(-5). The total branching fraction is determined to be B[B^0→Λ_c^+pπ^+π^-]_(total)=(123±5±7±32)×10^(-5). We examine multibody mass combinations in the resonant three-particle Σ_cpπ final states and in the four-particle Λ_c^+pπ^+π^- final state, and observe different characteristics for the p π combination in neutral versus doubly charged Σ_c decays.

https://doi.org/10.1103/physrevd.87.092004