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. 2003 Mar 7;90(9):091801.
doi: 10.1103/PhysRevLett.90.091801. Epub 2003 Mar 5.

Measurement of the B0-->J/psipi+pi- branching fraction

B Aubert  1 D BoutignyJ-M GaillardA HicheurY KaryotakisJ P LeesP RobbeV TisserandA ZghicheA PalanoA PompiliJ C ChenN D QiG RongP WangY S ZhuG EigenI OfteB StuguG S AbramsA W BorglandA B BreonD N BrownJ Button-ShaferR N CahnE CharlesM S GillA V GritsanY GroysmanR G JacobsenR W KadelJ KadykL T KerthYu G KolomenskyJ F KralC LeClercM E LeviG LynchL M MirP J OddoneT J OrimotoM PripsteinN A RoeA RomosanM T RonanV G ShelkovA V TelnovW A WenzelT J HarrisonC M HawkesD J KnowlesS W O'NealeR C PennyA T WatsonN K WatsonT DeppermannK GoetzenH KochB LewandowskiK PetersH SchmueckerM SteinkeN R BarlowW BhimjiJ T BoydN ChevalierP J ClarkW N CottinghamC MackayF F WilsonK AbeC HeartyT S MattisonJ A McKennaD ThiessenS JollyA K McKemeyV E BlinovA D BukinA R BuzykaevV B GolubevV N IvanchenkoA A KorolE A KravchenkoA P OnuchinS I SerednyakovYu I SkovpenA N YushkovD BestM ChaoD KirkbyA J LankfordM MandelkernS McMahonD P StokerK ArisakaC BuchananS ChunD B MacFarlaneS PrellSh RahatlouG RavenV SharmaJ W BerryhillC CampagnariB DahmesP A HartN KuznetsovaS L LevyO LongA LuM A MazurJ D RichmanW VerkerkeJ BeringerA M EisnerM GrotheC A HeuschW S LockmanT PulliamT SchalkR E SchmitzB A SchummA SeidenM TurriW WalkowiakD C WilliamsM G WilsonE ChenG P Dubois-FelsmannA DvoretskiiD G HitlinF C PorterA RydA SamuelS YangS JayatillekeG MancinelliB T MeadowsM D SokoloffT BarillariP BloomW T FordU NauenbergA OlivasP RankinJ RoyJ G SmithW C van HoekL ZhangJ BlouwJ L HartonM KrishnamurthyA SofferW H TokiR J WilsonJ ZhangD AltenburgT BrandtJ BroseT ColbergM DickoppR S DubitzkyA HaukeE MalyR Müller-PfefferkornS OttoK R SchubertR SchwierzB SpaanL WildenD BernardG R BonneaudF BrochardJ Cohen-TanugiS FerragS T'JampensCh ThiebauxG VasileiadisM VerderiA AnjomshoaaR BernetA KhanD LavinF MuheimS PlayferJ E SwainJ TinslayM FalboC BoreanC BozziL PiemonteseA SartiE TreadwellF AnulliR Baldini-FerroliA CalcaterraR de SangroD FalciaiG FinocchiaroP PatteriI M PeruzziM PiccoloA ZalloS BagnascoA BuzzoR ContriG CrosettiM 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PanviniS W BanerjeeC M BrownD FortinP D JacksonR KowalewskiJ M RoneyH R BandS DasuM DattaA M EichenbaumH HuJ R JohnsonR LiuF Di LodovicoA MohapatraY PanR PrepostI J ScottS J SekulaJ H von Wimmersperg-ToellerJ WuS L WuZ YuH NealBABAR Collaboration
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Free article

Measurement of the B0-->J/psipi+pi- branching fraction

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

Abstract

We present a measurement of the branching fraction for the decay of the neutral B meson into the final state J/psipi(+)pi(-). The data set contains approximately 56 x 10(6) BB pairs produced at the Upsilon(4S) resonance and recorded with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) storage ring. The result of this analysis is B(B0-->J/psipi(+)pi(-))=(4.6+/-0.7+/-0.6) x 10(-5), where the first error is statistical and the second is systematic. In addition, we measure B(B0-->J/psirho(0))=(1.6+/-0.6+/-0.4) x 10(-5).

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