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. 2024 Sep 6;133(10):101804.
doi: 10.1103/PhysRevLett.133.101804.

Search for Rare b→dℓ^{+}ℓ^{-} Transitions at Belle

I AdachiL AggarwalH AiharaN AkopovA AloisioS Al SaidD M AsnerH AtmacanV AushevM AversanoR AyadV BabuH BaeS BahinipatiP BambadeSw BanerjeeS BansalM BarrettJ BaudotA BeaubienF BechererJ BeckerK BelousJ V BennettF U BernlochnerV BertacchiM BertemesE BertholetM BessnerS BettariniF BianchiL BierwirthT BilkaD BiswasA BobrovD BodrovA BolzJ BorahA BozekM BračkoP BranchiniR A BriereT E BrowderA BudanoS BussinoM CampajolaL CaoG CasarosaC CecchiJ CerasoliM-C ChangP ChangR CheaibP CheemaC ChenB G CheonK ChilikinK ChirapatpimolH-E ChoK ChoS-J ChoS-K ChoiY ChoiS ChoudhuryJ CochranL CoronaS DasF DattolaE De La Cruz-BureloS A De La MotteG de MarinoG De NardoG De PietroR de SangroM DestefanisS DeyR DhamijaF Di CapuaJ DingfelderZ DoležalT V DongM DorigoK DortD DossettS DreyerS DubeyK DugicG DujanyP EckerD EpifanovP FeichtingerT FerberD FerlewiczT FillingerC FinckG FinocchiaroA FodorF FortiB G FulsomA GabrielliE GanievM Garcia-HernandezR GargG GaudinoV GaurA GellrichG GhevondyanD GhoshH GhumaryanG GiakoustidisR GiordanoA GiriA GlazovB GobboR GodangO GogotaP GoldenzweigT GrammaticoS GranderathE GrazianiD GreenwaldZ GruberováT GuY GuanK GudkovaY HanT HaraK HayasakaH HayashiiS HazraM T HedgesA HeidelbachI Heredia de la CruzM Hernández VillanuevaT HiguchiM HoekM HohmannP HorakC-L HsuT HumairT IijimaK InamiG IngugliaN IpsitaA IshikawaR ItohM IwasakiW W JacobsE-J JangQ P JiS JiaY JinH JunkerkalefeldD KalitaA B KaliyarJ KandraS KangG KaryanT KawasakiF KeilC KieslingC-H KimD Y KimK-H KimY-K KimK KinoshitaP KodyšT KogaS KohaniK KojimaA KorobovS KorparE KovalenkoR KowalewskiT M G KraetzschmarP KrižanP KrokovnyT KuhrY KuliiJ KumarM KumarK KumaraT KunigoA KuzminY-J KwonS LacapraraY-T LaiK LalwaniT LamL LanceriJ S LangeM LaurenzaK LautenbachR LeboucherF R Le DiberderM J LeeP LeoD LevitP M LewisL K LiY LiY B LiJ LibbyQ Y LiuY LiuZ Q LiuD LiventsevS LongoT LueckT LuoC LyuY MaM MaggioraS P MaharanaR MaitiS MaityG MancinelliR ManfrediE ManoniM MantovanoD MarcantonioC MarinasC MartelliniT MartinovL MassaccesiM MasudaD MatvienkoS K MauryaJ A McKennaR MehtaF MeierM MerolaF MetznerC MillerM MirraS MitraK MiyabayashiH MiyakeR MizukG B MohantyS MonetaH-G MoserM MrvarR MussaI NakamuraK R NakamuraM NakaoY NakazawaA Narimani CharanM NarukiZ NatkaniecA NatochiiL NayakM NayakG NazaryanM NeuJ NinkovicS NishidaS OgawaY OnishchukH OnoF OtaniG PakhlovaA PantaS PardiK ParhamS-H ParkB PaschenA PasseriS PatraT K PedlarR PeschkeR PestotnikL E PiilonenP L M Podesta-LermaT PodobnikS PokharelC PrazS PrellE PrencipeM T PrimI PrudiievH PurwarP RadosG RaeuberS RaizN RaulsM ReifS ReiterM RemnevI Ripp-BaudotG RizzoS H RobertsonM RoehrkenJ M RoneyA RostomyanN RoutG RussoD A SandersS SandilyaL SanteljY SatoV SavinovB ScavinoC SchmittG SchnellC SchwandaM SchwickardiY SeinoA SelceK SenyoM E SeviorC SfientiW ShanX D ShiT ShillingtonJ-G ShiuD ShtolB ShwartzA SibidanovF SimonJ B SinghJ SkorupaR J SobieM SobotzikA SofferA SokolovE SolovievaS SpataroB SpruckM StaričP StavroulakisS StefkovaR StroiliM SumihamaK SumisawaW SutcliffeN SuwonjandeeH SvidrasM TakizawaU TamponiK TanidaF TenchiniO TittelR TiwaryE TorassaK TrabelsiI TsaklidisM UchidaI UedaT UglovK UngerY UnnoK UnoS UnoP UrquijoY UshirodaS E VahsenR van TonderK E VarvellM VeronesiA VinokurovaV S VismayaL VitaleV VobbilisettiR VolpeM WakaiS WallnerE WangM-Z WangX L WangZ WangA WarburtonM WatanabeS WatanukiC WesselE WonX P XuB D YabsleyS YamadaW YanS B YangJ YeltonJ H YinK YoshiharaC Z YuanL ZaniF ZengB ZhangY ZhangV ZhilichQ D ZhouV I ZhukovaR ŽlebčíkBelle and Belle II Collaborations

Search for Rare b→dℓ^{+}ℓ^{-} Transitions at Belle

I Adachi et al. Phys Rev Lett. .

Abstract

We present the results of a search for the b→dℓ^{+}ℓ^{-} flavor-changing neutral-current rare decays B^{+,0}→(η,ω,π^{+,0},ρ^{+,0})e^{+}e^{-} and B^{+,0}→(η,ω,π^{0},ρ^{+})μ^{+}μ^{-} using a 711 fb^{-1} data sample that contains 772×10^{6} BB[over ¯] events. The data were collected at the ϒ(4S) resonance with the Belle detector at the KEKB asymmetric-energy e^{+}e^{-} collider. We find no evidence for signal and set upper limits on branching fractions at the 90% confidence level in the range (3.8-47)×10^{-8} depending on the decay channel. The obtained limits are the world's best results. This is the first search for the channels B^{+,0}→(ω,ρ^{+,0})e^{+}e^{-} and B^{+,0}→(ω,ρ^{+})μ^{+}μ^{-}.

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