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. 2007 Jan 5;98(1):012001.
doi: 10.1103/PhysRevLett.98.012001. Epub 2007 Jan 4.

Observation of a Charmed Baryon Decaying to D;{0}p at a Mass Near 2.94 GeV/c;{2}

B Aubert  1 R BarateM BonaD BoutignyF CoudercY KaryotakisJ P LeesV PoireauV TisserandA ZghicheE GraugesA PalanoM PappagalloJ C ChenN D QiG RongP WangY S ZhuG EigenI OfteB StuguG S AbramsM BattagliaD N BrownJ Button-SchaferR N CahnE CharlesC T DayM S GillY GroysmanR G JacobsenJ A KadykL T KerthYu G KolomenskyG KukartsevG LynchL M MirP J OddoneT J OrimotoM PripsteinN A RoeM T RonanW A WenzelM BarrettK E FordT J HarrisonA J HartC M HawkesS E MorganA T WatsonK GoetzenT HeldH KochB LewandowskiM PelizaeusK PetersT SchroederM SteinkeJ T BoydJ P BurkeW N CottinghamD WalkerT Cuhadar-DonszelmannB G FulsomC HeartyN S KnechtT S MattisonJ A McKennaA KhanP KyberdM SaleemL TeodorescuV E BlinovA D BukinV P DruzhininV B GolubevA P OnuchinS I SerednyakovYu I SkovpenE P SolodovK Yu TodyshevD S BestM BondioliM BruinsmaM ChaoS CurryI EschrichD KirkbyA J LankfordP LundM MandelkernR K MommsenW RoethelD P StokerS AbachiC BuchananS D FoulkesJ W GaryO LongB C ShenK WangL ZhangH K HadavandE J HillH P PaarS RahatlouV SharmaJ W BerryhillC CampagnariA CunhaB DahmesT M HongD KovalskyiJ D RichmanT W BeckA M EisnerC J FlaccoC A HeuschJ KrosebergW S LockmanG NesomT SchalkB A SchummA SeidenP SpradlinD C WilliamsM G WilsonJ AlbertE ChenA DvoretskiiD G HitlinI NarskyT PiatenkoF C PorterA RydA SamuelR AndreassenG MancinelliB T MeadowsM D SokoloffF BlancP C BloomS ChenW T FordJ F HirschauerA KreiselU NauenbergA OlivasW O RuddickJ G SmithK A UlmerS R WagnerJ ZhangA ChenE A EckhartA SofferW H TokiR J WilsonF WinklmeierQ ZengD D AltenburgE FeltresiA HaukeH JasperB SpaanT BrandtV KloseH M LackerW F MaderR NogowskiA PetzoldJ SchubertK R SchubertR SchwierzJ E SundermannA VolkD BernardG R BonneaudP GrenierE LatourCh ThiebauxM VerderiD J BardP J ClarkW GradlF MuheimS PlayferA I RobertsonY XieM AndreottiD BettoniC BozziR CalabreseG CibinettoE LuppiM NegriniA PetrellaL PiemonteseE PrencipeF AnulliR Baldini-FerroliA CalcaterraR de SangroG FinocchiaroS PacettiP PatteriI M PeruzziM PiccoloM RamaA ZalloA BuzzoR 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K SwainJ M ThompsonJ Va'vraN van BakelM WeaverA J R WeinsteinW J WisniewskiM WittgenD H WrightA K YarrituK YiC C YoungP R BurchatA J EdwardsS A MajewskiB A PetersenC RoatL WildenS AhmedM S AlamR BulaJ A ErnstV JainB PanM A SaeedF R WapplerS B ZainW BuggM KrishnamurthyS M SpanierR EckmannJ L RitchieA SatpathyC J SchillingR F SchwittersJ M IzenI KitayamaX C LouS YeF BianchiF GalloD GambaM BombenL BosisioC CartaroF CossuttiG Della RiccaS DittongoS GrancagnoloL LanceriL VitaleV AzzoliniF Martinez-VidalSw BanerjeeB BhuyanC M BrownD FortinK HamanoR KowalewskiI M NugentJ M RoneyR J SobieJ J BackP F HarrisonT E LathamG B MohantyH R BandX ChenB ChengS DasuM DattaA M EichenbaumK T FloodJ J HollarJ R JohnsonP E KutterH LiR LiuB MelladoA MihalyiA K MohapatraY PanM PieriniR PrepostP TanS L WuZ YuH NealBABAR Collaboration
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Free article

Observation of a Charmed Baryon Decaying to D;{0}p at a Mass Near 2.94 GeV/c;{2}

B Aubert et al. Phys Rev Lett. .
Free article

Abstract

A search for charmed baryons decaying to D(0)p reveals two states: the Lambdac(2880)+ baryon and a previously unobserved state at a mass of [2939.8+/-1.3(stat)+/-1.0(syst)] MeV/c2 and with an intrinsic width of [17.5+/-5.2(stat)+/-5.9(syst)] MeV. Consistent and significant signals are observed for the K(-)pi(+) and K(-)pi(+)pi(-)pi(+) decay modes of the D0 in 287 fb(-1) annihilation data recorded by the BABAR detector at a center-of-mass energy of 10.58 GeV. There is no evidence in the D+p spectrum of doubly charged partners. The mass and intrinsic width of the Lambdac(2880)+ baryon and relative yield of the two baryons are also measured.

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