Study of Ac plus - Ag plus ?g and test of lepton flavor universality with Ac plus - Al plus ?l decays

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dc.authoridJanchiv, Shinebayar/0000-0003-1207-3322
dc.authoridZhang, Jiawei/0000-0001-9635-154X
dc.authoridKabana, Sonia/0000-0003-0568-5750
dc.authoridLi, Yuanyuan/0000-0002-4955-1159
dc.authoridQin, Jiajun/0000-0002-9956-2358
dc.authoridWang, Xin/0009-0004-7428-3071
dc.authoridLi, Xiaoyu/0000-0001-8017-207X
dc.authorwosidZhang, Wenkai/JWO-2030-2024
dc.authorwosidZHANG, JING/KHY-1073-2024
dc.authorwosidWANG, YUHAO/KBB-0213-2024
dc.authorwosidli, fei/JYP-3334-2024
dc.authorwosidZhu, Jie/JAC-4621-2023
dc.authorwosidChen, Zheng/KCY-2338-2024
dc.authorwosidZhang, Yansong/KHW-4097-2024
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAi, X. C.
dc.contributor.authorAliberti, R.
dc.contributor.authorAmoroso, A.
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2024-05-19T14:50:55Z
dc.date.available2024-05-19T14:50:55Z
dc.date.issued2023
dc.departmentİstinye Üniversitesien_US
dc.description.abstractThe study of the Cabibbo-favored semileptonic decay A thorn c -A & mu; thorn & nu;& mu; is reported using 4.5 fb-1 of e thorn e- annihilation data collected at center-of-mass energies ranging from 4.600 to 4.699 GeV. The branching fraction of the decay is measured to be BoA thorn c -A & mu; thorn & nu;& mu; thorn 1/4 o3.48 ? 0.14stat ? 0.10syst thorn %, 3 times more precise than the prior world average result. Tests of lepton flavor universality using A thorn c -Ae thorn & nu;e (e 1/4 e, & mu;) decays are reported for the first time, based on measurements of the differential decay rates and the forward-backward asymmetries in separate four-momentum transfer regions. The results are compatible with Standard Model predictions. Furthermore, we improve the determination of the form-factor parameters in A thorn c -Ae thorn & nu;e decays, which provide stringent tests and calibration for lattice quantum chromodynamics calculations.en_US
dc.description.sponsorshipChinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics; Joint Large-Scale Scientific Facility Funds of the NSFC; CAS [QYZDJ-SSW-SLH003]; CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-SLH040, 758462]; 100 Talents Program of CAS; Institute of Nuclear and Particle Physics and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC [894790]; European Union [443159800]; German Research Foundation DFG [455635585, CRC 1044, FOR5327, GRK 2149, DPT2006K-120470]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [NRF-2022R1A2C1092335]; National Research Foundation of Korea [B16F640076]; National Science and Technology Fund of Mongolia; National Science Research and Innovation Fund via the Program Management Unit for Human Resources amp; Institutional Development, Research and Innovation of Thailand [2019/35/O/ST2/02907]; Polish National Science Centre [DH160214]; Royal Society, UK [DE-FG02-05ER41374]; Swedish Research Council; U.S. Department of Energy; [U1832207]en_US
dc.description.sponsorshipThe BESIII Collaboration thanks the staff of BEPCII and the IHEP computing center for their strong support. This work is supported in part by National Key R&D Program of China under Contracts No. 2020YFA0406400 and No. 2020YFA0406300; National Natural ScienceChinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207; CAS Key Research Program of Frontier Sciences under Contracts No. QYZDJ-SSW-SLH003 and No. QYZDJ-SSW-SLH040; 100 Talents Program of CAS; The Institute of Nuclear and Particle Physics and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Contract No. 758462; European Union's Horizon 2020 research and innovation program under Marie Sklodowska-Curie grant agreement under Contract No. 894790; German Research Foundation DFG under Contracts No. 443159800 and No. 455635585, Collaborative Research Center CRC 1044, FOR5327, GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335; National Science and Technology Fund of Mongolia; National Science Research and Innovation Fund via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand under Contract No. B16F640076; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; The Royal Society, UK under Contract No. DH160214; The Swedish Research Council; U.S. Department of Energy under Contract No. DE-FG02-05ER41374.r Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207; CAS Key Research Program of Frontier Sciences under Contracts No. QYZDJ-SSW-SLH003 and No. QYZDJ-SSW-SLH040; 100 Talents Program of CAS; The Institute of Nuclear and Particle Physics and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Contract No. 758462; European Union's Horizon 2020 research and innovation program under Marie Sklodowska-Curie grant agreement under Contract No. 894790; German Research Foundation DFG under Contracts No. 443159800 and No. 455635585, Collaborative Research Center CRC 1044, FOR5327, GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K-120470; National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335; National Science and Technology Fund of Mongolia; National Science Research and Innovation Fund via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand under Contract No. B16F640076; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; The Royal Society, UK under Contract No. DH160214; The Swedish Research Council; U.S. Department of Energy under Contract No. DE-FG02-05ER41374.en_US
dc.identifier.doi10.1103/PhysRevD.108.L031105
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85169316213en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org10.1103/PhysRevD.108.L031105
dc.identifier.urihttps://hdl.handle.net/20.500.12713/5839
dc.identifier.volume108en_US
dc.identifier.wosWOS:001058588900002en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherAmer Physical Socen_US
dc.relation.ispartofPhysical Review Den_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240519_kaen_US
dc.subjectSemileptonic Decaysen_US
dc.titleStudy of Ac plus - Ag plus ?g and test of lepton flavor universality with Ac plus - Al plus ?l decaysen_US
dc.typeArticleen_US

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