TY - JOUR
T1 - Tests of Lepton Universality Using B0 ? KS0 â„“+â„“- and B+ ?k*+â„“+â„“- Decays
AU - The LHCb Collaboration
AU - Egede, Ulrik
AU - Hadavizadeh, Tom
AU - Henderson, Riley Dylan Leslie
AU - Ward, Jake Alexander
AU - Williams, Mike P.
AU - Lane, Jake J.
N1 - Funding Information:
We express our gratitude to our colleagues in the CERN accelerator departments for the excellent performance of the LHC. We thank the technical and administrative staff at the LHCb institutes. We acknowledge support from CERN and from the national agencies: CAPES, CNPq, FAPERJ, and FINEP (Brazil); MOST and NSFC (China); CNRS/IN2P3 (France); BMBF, DFG, and MPG (Germany); INFN (Italy); NWO (Netherlands); MNiSW and NCN (Poland); MEN/IFA (Romania); MSHE (Russia); MICINN (Spain); SNSF and SER (Switzerland); NASU (Ukraine); STFC (United Kingdom); DOE NP and NSF (USA). We acknowledge the computing resources that are provided by CERN, IN2P3 (France), KIT and DESY (Germany), INFN (Italy), SURF (Netherlands), PIC (Spain), GridPP (United Kingdom), RRCKI and Yandex LLC (Russia), CSCS (Switzerland), IFIN-HH (Romania), CBPF (Brazil), PL-GRID (Poland), and NERSC (USA). We are indebted to the communities behind the multiple open-source software packages on which we depend. Individual groups or members have received support from ARC and ARDC (Australia); AvH Foundation (Germany); EPLANET, Marie Skłodowska-Curie Actions, and ERC (European Union); A*MIDEX, ANR, IPhU and Labex P2IO, and Région Auvergne-Rhône-Alpes (France); Key Research Program of Frontier Sciences of CAS, CAS PIFI, CAS CCEPP, Fundamental Research Funds for the Central Universities, and the Sci. and Tech. Program of Guangzhou (China); RFBR, RSF, and Yandex LLC (Russia); GVA, XuntaGal, and GENCAT (Spain); the Leverhulme Trust, the Royal Society and UKRI (United Kingdom).
Publisher Copyright:
© 2022 CERN.
PY - 2022/5/13
Y1 - 2022/5/13
N2 - Tests of lepton universality in B0?KS0„“+“- and B+?K*+“+“- decays where“ is either an electron or a muon are presented. The differential branching fractions of B0?KS0e+e- and B+?K*+e+e- decays are measured in intervals of the dilepton invariant mass squared. The measurements are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb-1. The results are consistent with the standard model and previous tests of lepton universality in related decay modes. The first observation of B0?KS0e+e- and B+?K*+e+e- decays is reported.
AB - Tests of lepton universality in B0?KS0„“+“- and B+?K*+“+“- decays where“ is either an electron or a muon are presented. The differential branching fractions of B0?KS0e+e- and B+?K*+e+e- decays are measured in intervals of the dilepton invariant mass squared. The measurements are performed using proton-proton collision data recorded by the LHCb experiment, corresponding to an integrated luminosity of 9 fb-1. The results are consistent with the standard model and previous tests of lepton universality in related decay modes. The first observation of B0?KS0e+e- and B+?K*+e+e- decays is reported.
UR - http://www.scopus.com/inward/record.url?scp=85130550480&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.128.191802
DO - 10.1103/PhysRevLett.128.191802
M3 - Article
C2 - 35622021
AN - SCOPUS:85130550480
SN - 0031-9007
VL - 128
JO - Physical Review Letters
JF - Physical Review Letters
IS - 19
M1 - 191802
ER -