First simultaneous measurement of ?0 and (?)over-bar0 asymmetry parameters in ?(3686) decay

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dc.authoridYu, Chongxiu/0000-0002-8221-6221
dc.authoridSong, Weimin/0000-0003-1376-2293
dc.authoridFan, xiao/0000-0001-5147-6701
dc.authoridLavezzi, Lia/0000-0002-4928-8151
dc.authoridJanchiv, Shinebayar/0000-0003-1207-3322
dc.authoridMa, Wei/0000-0002-7344-998X
dc.authoriddai, jianping/0000-0003-4802-4485
dc.authorwosidShi, Yaolin/JXN-8322-2024
dc.authorwosidHuang, Yong/KFA-1191-2024
dc.authorwosidWang, Jin/GYA-2019-2022
dc.authorwosidli, fang/KDO-8841-2024
dc.authorwosidYu, Chongxiu/KDM-7354-2024
dc.authorwosidSong, Weimin/AAJ-5415-2020
dc.authorwosidFan, xiao/AEF-7654-2022
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAliberti, R.
dc.contributor.authorAmoroso, A.
dc.contributor.authorAn, M. R.
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 Xi(0) asymmetry parameters are measured using entangled quantum Xi(0) - (Xi) over bar (0) pairs from a sample of (448.1 +/- 2.9) x 10(6) psi(3686) events collected with the BESIII detector at BEPCII. The relative phase between the transition amplitudes of the Xi(0)(Xi) over bar helicity states is measured to be Delta Phi = -0.050 +/- 0.150 +/- 0.020 rad, which implies that there is no obvious polarization at the current level of statistics. The decay parameters of the Xi(0) hyperon (alpha(Xi 0), alpha((Xi) over bar0), phi(Xi 0), phi((Xi) over bar0)) and the angular distribution parameter [alpha(psi(3686))] and Delta Phi are measured simultaneously for the first time. In addition, the CP asymmetry observables are determined to be A(CP)(Xi 0) = (alpha(Xi 0) + alpha((Xi) over bar0))/(alpha(Xi 0) - alpha((Xi) over bar0)) = -0.007 +/- 0.082 +/- 0.025 and Delta phi(Xi 0)(CP) = (phi(Xi 0) + phi((Xi) over bar0))/2 = -0.079 +/- 0.082 +/- 0.010 rad, which are consistent with CP conservation.en_US
dc.description.sponsorshipCAS; 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; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources amp; Institutional Development, Research and Innovation [2019/35/O/ST2/02907]; Polish National Science Centre [160355]; Suranaree University of Technology (SUT) , Thailand Science Research and Innovation (TSRI); National Science Research and Innovation Fund (NSRF) [DH160214]; Royal Society, UK [DE-FG02-05ER41374]; Swedish Research Council; U.S. Department of Energy; The Institute of Nuclear and Particle Physics (INPAC); [758462]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, No. 2020YFA0406300; National Natural Science Foundation of China (NSFC) under Contracts No. 12075107, No. 12247101, No. 11635010, No. 11735014, No. 11835012, No. 11905236, No. 11935015, No. 11935016, No. 11935018, No. 11961141012, No. 12022510, No. 12025502, No. 12035009, No. 12035013, No. 12047501, No. 12061131003, No. 12192260, No. 12192261, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 12225509; the 111 Project under Grant No. B20063; 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 Contracts No. QYZDJ-SSW-SLH003, No. QYZDJ-SSW-SLH040;100 Talents Program of CAS; 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 Sklodowska-Curie grant agreement under Contract No. 894790; German Research Foundation DFG under Contracts No. 443159800, 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; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation under Contract No. B16F640076; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; Suranaree University of Technology (SUT) , Thailand Science Research and Innovation (TSRI) , and National Science Research and Innovation Fund (NSRF) under Contract No. 160355; The Royal Society, UK under Contract No. DH160214; The Swedish Research Council; U.S. Department of Energy under Contract No. DE-FG02-05ER41374.r 100 Talents Program of CAS; 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 Sklodowska-Curie grant agreement under Contract No. 894790; German Research Foundation DFG under Contracts No. 443159800, 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; National Science Research and Innovation Fund (NSRF) via the Program Management Unit for Human Resources & Institutional Development, Research and Innovation under Contract No. B16F640076; Polish National Science Centre under Contract No. 2019/35/O/ST2/02907; Suranaree University of Technology (SUT) , Thailand Science Research and Innovation (TSRI) , and National Science Research and Innovation Fund (NSRF) under Contract No. 160355; 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.L011101
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.issue1en_US
dc.identifier.scopus2-s2.0-85166419607en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org10.1103/PhysRevD.108.L011101
dc.identifier.urihttps://hdl.handle.net/20.500.12713/5837
dc.identifier.volume108en_US
dc.identifier.wosWOS:001063263900002en_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.subjectHyperonen_US
dc.titleFirst simultaneous measurement of ?0 and (?)over-bar0 asymmetry parameters in ?(3686) decayen_US
dc.typeArticleen_US

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