Measurement of the CP-even fraction of D0 ? ?+ ?- ?+ ?-

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dc.authoridHuang, Kexin/0000-0001-6693-8390
dc.authoridli, fangyu/0009-0009-8303-9157
dc.authoridZhang, Xiaofeng/0000-0003-2738-3286
dc.authoridWang, Yunwen/0009-0008-3083-7799
dc.authoridZhang, Jiawei/0000-0001-9635-154X
dc.authoriddai, jianping/0000-0003-4802-4485
dc.authoridWang, Xin/0000-0002-4457-7376
dc.authorwosidZhang, Yuting/JZE-2800-2024
dc.authorwosidQi, Ling/KHE-3068-2024
dc.authorwosidHuang, Kexin/AAU-2699-2021
dc.authorwosidWU, LINXIN/KEI-8742-2024
dc.authorwosidliu, kaiyuan/JHU-0258-2023
dc.authorwosidyuan, lin/JDW-7387-2023
dc.authorwosidWang, Han/JJF-2614-2023
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAlbrecht, M.
dc.contributor.authorAliberti, R.
dc.contributor.authorAmoroso, A.
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2024-05-19T14:50:43Z
dc.date.available2024-05-19T14:50:43Z
dc.date.issued2022
dc.departmentİstinye Üniversitesien_US
dc.description.abstractA measurement of the CP-even fraction of the decay D-0 -> pi(+) pi(-) pi(+) pi(-) is performed with a quantum-correlated psi(3770) -> D (D) over bar data sample collected by the BESIII experiment, corresponding to an integrated luminosity of 2.93 fb(-1). Using a combination of CP eigenstates, D-0 -> pi(+) pi(-) pi(+) pi(-) and D -> K-S,L(0) pi(+) pi(-) as tagging modes, the CP-even fraction is measured to be F-+(4 pi) = 0.735 +/- 0.015 +/- 0.005, where the first uncertainty is statistical and the second is systematic. This is the most precise determination of this quantity to date. It provides valuable model-independent input for the measurement of the angle gamma of the Cabibbo-Kobayashi-Maskawa matrix with B +/- -> DK +/- decays, and for time-dependent studies of CP violation and mixing in the D-0-(D) over bar (0) system.en_US
dc.description.sponsorshipNational Key R&D Program of China [2020YFA0406400, 2020YFA0406300]; National Natural Science Foundation of China (NSFC) [11335008, 11625523, 11635010, 11735014, 11835012, 11935015, 11935016, 11935018, 11961141012, 12022510, 12025502, 12035009, 12035013, 12192260, 12192261, 12192262, 12192263, 12192264, 12192265, 11705192, 11950410506, 12061131003, 12105276, 12122509]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC [U1732263, U1832207, U1832103, U2032111]; CAS [U1732263, U1832207, U1832103, U2032111]; CAS Key Research Program of Frontier Sciences [QYZDJSSW-SLH040]; 100 Talents Program of CAS; Shanghai Key Laboratory for Particle Physics and Cosmology; ERC [758462]; European Union [894790]; German Research Foundation DFG [443159800, CRC 1044, GRK 2149]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K-120470]; 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 [B16F640076]; STFC (United Kingdom); Suranaree University of Technology (SUT), Thailand Science Research and Innovation (TSRI); National Science Research and Innovation Fund (NSRF) [160355]; Royal Society, UK [DH140054, DH160214]; Swedish Research Council; U.S. Department of Energy [DE-FG02-05ER41374]; INPACen_US
dc.description.sponsorshipThe BESIII collaboration thanks the staff of BEPCII and the IHEP computing center and the supercomputing center of USTC for their strong support. This work is supported in part by National Key R&D Program of China under Grants No. 2020YFA0406400 and No. 2020YFA0406300; National Natural Science Foundation of China (NSFC) under Grants No. 11335008, No. 11625523, No. 11635010, No. 11735014, No. 11835012, No. 11935015, No. 11935016, No. 11935018, No. 11961141012, No. 12022510, No. 12025502, No. 12035009, No. 12035013, No. 12192260, No. 12192261, No. 12192262, No. 12192263, No. 12192264, No. 12192265, No. 11705192, No. 11950410506, No. 12061131003, No. 12105276, and No. 12122509; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Grant No. U1732263, No. U1832207, No. U1832103, and No. U2032111; CAS Key Research Program of Frontier Sciences under Grant No. QYZDJSSW-SLH040; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Grant No. 758462; European Union's Horizon 2020 research and innovation program under Marie Sklodowska-Curie Grant Agreement No. 894790; German Research Foundation DFG under Grant No. 443159800, Collaborative Research Center CRC 1044, GRK 2149; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Grant No. DPT2006K-120470; 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 Grant No. B16F640076; STFC (United Kingdom); Suranaree University of Technology (SUT), Thailand Science Research and Innovation (TSRI), and National Science Research and Innovation Fund (NSRF) under Grant No. 160355; The Royal Society, UK under Grants No. DH140054 and No. DH160214; The Swedish Research Council; U.S. Department of Energy under Grant No. DE-FG02-05ER41374.en_US
dc.identifier.doi10.1103/PhysRevD.106.092004
dc.identifier.issn2470-0010
dc.identifier.issn2470-0029
dc.identifier.issue9en_US
dc.identifier.scopus2-s2.0-85143214106en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org10.1103/PhysRevD.106.092004
dc.identifier.urihttps://hdl.handle.net/20.500.12713/5786
dc.identifier.volume106en_US
dc.identifier.wosWOS:000985427500001en_US
dc.identifier.wosqualityQ1en_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.subjectDifferenceen_US
dc.subjectPhaseen_US
dc.titleMeasurement of the CP-even fraction of D0 ? ?+ ?- ?+ ?-en_US
dc.typeArticleen_US

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