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. 2025 Jul 25;135(4):041901.
doi: 10.1103/pf8m-6j69.

Search for P_{cc[over ¯]s}(4459)^{0} and P_{cc[over ¯]s}(4338)^{0} in ϒ(1S,2S) Inclusive Decays at Belle

I AdachiL AggarwalH AhmedJ K AhnH AiharaN AkopovM AlhakamiA AloisioN AlthubitiD M AsnerH AtmacanV AushevM AversanoR AyadV BabuH BaeN K BaghelS BahinipatiP BambadeSw BanerjeeS BansalM BarrettM BartlJ BaudotA BaurA BeaubienF BechererJ BeckerJ V BennettF U BernlochnerV BertacchiM BertemesE BertholetM BessnerS BettariniV BhardwajB BhuyanF BianchiD BiswasD BodrovA BolzA BoschettiA BozekM BračkoP BranchiniR A BriereT E BrowderA BudanoS BussinoQ CampagnaM CampajolaL CaoG CasarosaC CecchiJ CerasoliM-C ChangP ChangR CheaibP CheemaB G CheonK ChilikinK ChirapatpimolH-E ChoK ChoS-J ChoS-K ChoiS ChoudhuryJ CochranL CoronaJ X CuiE De La Cruz-BureloS A De La MotteG De NardoG De PietroR de SangroM DestefanisS DeyR DhamijaF Di CapuaJ DingfelderZ DoležalI Domínguez JiménezT V DongX DongD DossettK DugicG DujanyP EckerJ EppeltP FeichtingerT FerberT FillingerC FinckG FinocchiaroF FortiB G FulsomA GabrielliE GanievM Garcia-HernandezG GaudinoV GaurA GellrichG GhevondyanD GhoshH GhumaryanG GiakoustidisR GiordanoA GiriP Gironella GironellA GlazovB GobboR GodangP GoldenzweigE GrazianiD GreenwaldZ GruberováY GuanK GudkovaI HaideY HanC HarrisK HayasakaH HayashiiS HazraC HeartyM T HedgesA HeidelbachI Heredia de la CruzM Hernández VillanuevaT HiguchiM HoekM HohmannR HoppeP HorakC-L HsuT HumairT IijimaK InamiN IpsitaA IshikawaR ItohM IwasakiP JacksonD JacobiW W JacobsE-J JangQ P JiS JiaY JinA JohnsonK K JooH JunkerkalefeldM KaletaJ KandraK H KangS KangG KaryanT KawasakiF KeilC KetterC KieslingC-H KimD Y KimJ-Y KimK-H KimY-K KimH KindoK KinoshitaP KodyšT KogaS KohaniK KojimaA KorobovS KorparE KovalenkoP KrižanP KrokovnyT KuhrY KuliiD KumarR KumarK KumaraT KunigoA KuzminY-J KwonS LacapraraK LalwaniT LamJ S LangeT S LauM LaurenzaR LeboucherF R Le DiberderM J LeeC LemettaisP LeoP M LewisC LiL K LiQ M LiW Z LiY LiY B LiY P LiaoJ LibbyJ LinM H LiuQ Y LiuY LiuZ Q LiuD LiventsevS LongoC LyuY MaC MadaanM MaggioraS P MaharanaR MaitiG MancinelliR ManfrediE ManoniM MantovanoD MarcantonioS MarcelloC MarinasC MartelliniA MartensA MartiniT MartinovL MassaccesiM MasudaD MatvienkoS K MauryaM MaushartJ A McKennaR MehtaF MeierD MeleshkoM MerolaC MillerM MirraS MitraK MiyabayashiH MiyakeR MizukG B MohantyS MondalS MonetaH-G MoserR MussaI NakamuraM NakaoH NakazawaY NakazawaM NarukiZ NatkaniecA NatochiiM NayakG NazaryanM NeuS NishidaS OgawaH OnoY OnukiF OtaniG PakhlovaS PardiK ParhamH ParkJ ParkK ParkS-H ParkB PaschenS PatraT K PedlarI PeruzziR PeschkeR PestotnikM PiccoloL E PiilonenP L M Podesta-LermaT PodobnikS PokharelC PrazS PrellE PrencipeM T PrimH PurwarP RadosG RaeuberS RaizN RaulsK RavindranM ReifS ReiterM RemnevL ReuterD Ricalde HerrmannI Ripp-BaudotG RizzoM RoehrkenJ M RoneyA RostomyanN RoutD A SandersS SandilyaL SanteljV SavinovB ScavinoJ SchmitzS SchneiderG SchnellC SchwandaY SeinoA SelceK SenyoJ SerranoM E SeviorC SfientiW ShanC SharmaX D ShiT ShillingtonT ShimasakiJ-G ShiuD ShtolA SibidanovF SimonJ B SinghJ SkorupaM SobotzikA SofferA SokolovE SolovievaS SpataroB SpruckW SongM StaričP StavroulakisS StefkovaR StroiliJ StrubeY SueM SumihamaK SumisawaW SutcliffeN SuwonjandeeH SvidrasM TakahashiM TakizawaU TamponiK TanidaF TenchiniA ThallerO TittelR TiwaryE TorassaK TrabelsiI TsaklidisM UchidaI UedaK UngerY UnnoK UnoS UnoJ Ur RehmanP UrquijoY UshirodaS E VahsenR van TonderM VeronesiA VinokurovaV S VismayaL VitaleV VobbilisettiR VolpeA VossenM WakaiS WallnerM-Z WangX L WangZ WangA WarburtonM WatanabeS WatanukiC WesselE WonX P XuB D YabsleyS YamadaS B YangJ YeltonJ H YinK YoshiharaC Z YuanJ YuanL ZaniF ZengB ZhangJ S ZhouQ D ZhouL ZhuV I ZhukovaR ŽlebčíkS ZouBelle and Belle II Collaborations

Search for P_{cc[over ¯]s}(4459)^{0} and P_{cc[over ¯]s}(4338)^{0} in ϒ(1S,2S) Inclusive Decays at Belle

I Adachi et al. Phys Rev Lett. .

Abstract

Using data samples of 102 million ϒ(1S) events and 158 million ϒ(2S) events collected by the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider, we search for [udscc[over ¯]] pentaquark states decaying to J/ψΛ. Using the first observations of ϒ(1S,2S) inclusive decays to J/ψΛ, we find evidence of the P_{cc[over ¯]s}(4459)^{0} state with a local significance of 3.3 standard deviations, including statistical and systematic uncertainties. We measure the mass and width of the P_{cc[over ¯]s}(4459)^{0} to be (4471.7±4.8±0.6) MeV/c^{2} and (22±13±3) MeV, respectively. The branching fractions for P_{cc[over ¯]s}(4459)^{0} production are measured to be B[ϒ(1S)→P_{cc[over ¯]s}(4459)^{0}/P[over ¯]_{cc[over ¯]s}(4459)^{0}+anything]=(3.5±2.0±0.2)×10^{-6} and B[ϒ(2S)→P_{cc[over ¯]s}(4459)^{0}/P[over ¯]_{cc[over ¯]s}(4459)^{0}+anything]=(2.9±1.7±0.4)×10^{-6}. The inclusive branching fractions of ϒ(1S,2S)→J/ψΛ/Λ[over ¯] are measured to be B[ϒ(1S)→J/ψΛ/Λ[over ¯]+anything]=(36.9±5.3±2.4)×10^{-6} and B[ϒ(2S)→J/ψΛ/Λ[over ¯]+anything]=(22.3±5.7±3.1)×10^{-6}. We measure the visible cross section σ(e^{+}e^{-}→J/ψΛ/Λ[over ¯]+anything)=(90±14±6) fb for the continuum production at sqrt[s]=10.52 GeV. In all cases, the first uncertainties are statistical and the second are systematic.

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