First Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay ?c plus ? ?0K+

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dc.authoridLiu, Liang/0000-0002-6753-925X
dc.authorwosidLiu, Liang/KIA-7696-2024
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.accessioned2024-05-19T14:51:07Z
dc.date.available2024-05-19T14:51:07Z
dc.date.issued2024
dc.departmentİstinye Üniversitesien_US
dc.description.abstractBased on 4.4 fb-1 of e+e- annihilation data collected at the center-of-mass energies between 4.60 and 4.70 GeV with the BESIII detector at the BEPCII collider, the pure W-boson-exchange decay Lambda+ c -> Xi 0K+ is studied with a full angular analysis. The corresponding decay asymmetry is measured for the first time to be alpha Xi 0K+ = 0.01 10.16(stat) 10.03(syst). This result reflects the noninterference effect between the S- and P-wave amplitudes. The phase shift between S- and P-wave amplitudes has two solutions, which are delta p - delta s = -1.55 10.25(stat) 10.05(syst) rad or 1.59 10.25(stat) 10.05(syst) rad.en_US
dc.description.sponsorshipNational Key R&D Program of China [2020YFA0406400, 2020YFA0406300]; National Natural Science Foundation of China (NSFC) [11635010, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12022510, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017]; Chinese Academy of Sciences (CAS) Large -Scale Scientific Facility Program; CAS Center for Excellence in Particle Physics (CCEPP); Joint Large -Scale Scientific Facility Funds of the NSFC; CAS [U1832207]; CAS Key Research Program of Frontier Sciences [QYZDJ- SSW-SLH003, QYZDJ-SSW-SLH040]; Fundamental Research Funds for the Central Universities, Lanzhou University; University of Chinese Academy of Sciences; U.S. Department of Energy; Institute of Nuclear and Particle Physics (INPAC); Shanghai Key Laboratory for Particle Physics and Cosmology; ERC [758462]; European Union [894790]; German Research Foundation DFG [443159800, 455635585]; Collaborative Research Center [CRC 1044, FOR5327, GRK 2149]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K- 120470]; National Research Foundation of Korea [NRF-2022R1A2C1092335]; National Science and Technology fund of Mongolia; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation of Thailand [B16F640076]; Polish National Science Centre [2019/35/O/ST2/02907]; Swedish Research Council; U.S. Department of Energy [DE-FG02-05ER41374]en_US
dc.description.sponsorshipP.-R. Li and X.-R. Lyu thank Hai-Yang Cheng, FanRong Xu, and Fu-Sheng Yu for useful discussions. The 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 Contract Nos. 2020YFA0406400 and 2020YFA0406300; National Natural Science Foundation of China (NSFC) under Contract Nos. 11635010, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12022510, 12025502, 12035009, 12035013, 12061131003, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 12221005, 12225509, 12235017; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; the CAS Center for Excellence in Particle Physics (CCEPP); Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contract No. U1832207; CAS Key Research Program of Frontier Sciences under Contract Nos. QYZDJSSW-SLH003 and QYZDJ-SSW-SLH040; 100 Talents Program of CAS; Fundamental Research Funds for the Central Universities, Lanzhou University, University of Chinese Academy of Sciences; the Institute of Nuclear and Particle Physics (INPAC) and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Contract No. 758462; European Union's Horizon 2020 research and innovation programme under Marie SklodowskaCurie grant agreement under Contract No. 894790; German Research Foundation DFG under Contract Nos. 443159800 and 455635585, Collaborative Research Center CRC 1044, FOR5327, GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K120470; National Research Foundation of Korea under Contract No. NRF-2022R1A2C1092335; National Science and Technology fund of Mongolia; National Science Research and Innovation Fund (NSRF) 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 Swedish Research Council; and the U.S. Department of Energy under Contract No. DE-FG02-05ER41374.en_US
dc.identifier.doi10.1103/PhysRevLett.132.031801
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.issue3en_US
dc.identifier.scopus2-s2.0-85183832736en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org10.1103/PhysRevLett.132.031801
dc.identifier.urihttps://hdl.handle.net/20.500.12713/5876
dc.identifier.volume132en_US
dc.identifier.wosWOS:001184804600013en_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 Lettersen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.snmz20240519_kaen_US
dc.subjectNonleptonic Decaysen_US
dc.subjectCharm Baryonsen_US
dc.subjectTofen_US
dc.titleFirst Measurement of the Decay Asymmetry in the Pure W-Boson-Exchange Decay ?c plus ? ?0K+en_US
dc.typeArticleen_US

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