Observation of D0 ? K1 (1270) -e+?e

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dc.authoridFarineli, Riccardo/0000-0002-7972-9093|Lin, Fan/0000-0002-7330-3833|Messchendorp, Johan/0000-0001-6649-0549|Wu, Xin/0000-0001-7655-389X|Janchiv, Shinebayar/0000-0003-1207-3322|Spataro, Stefano/0000-0001-9601-405X|Liu, Zhiyu/0000-0001-8351-1268|Chen, Qi/0000-0002-6568-7267|Wang, Yunwen/0009-0008-3083-7799|Han, Jian/0000-0002-0647-4050|Zhemchugov, Alexey/0000-0002-3360-4965|Lavezzi, Lia/0000-0002-4928-8151|Mangoni, Alessio/0000-0002-4786-6632|Song, Weimin/0000-0003-1376-2293|Liu, Haibo/0000-0002-4213-2883|wang, qi/0000-0002-2794-6897|Fan, xiao/0000-0001-5147-6701|Cetin, Serkant Ali/0000-0001-5050-8441|Yuncu, Alperen/0000-0001-9696-9331|Liu, Zhiqiang/0000-0003-2982-8381|Kolcu, Onur Bugra/0000-0002-9177-1286|Sheng, Jin-Huan/0000-0002-2655-6301|Liu, Liang/0000-0002-6753-925X|Gradl, Wolfgang/0000-0002-9974-8320|Wang, Yue/0000-0001-8673-6358|Zhang, Jiawei/0000-0001-9635-154X|Li, Xiaoyu/0009-0006-9840-6704|Mezzadri, Giulio/0000-0003-0838-9631|, tong/0000-0001-7696-1252|Greco, Michela/0000-0002-7299-7829|Lane, Jake/0000-0002-5816-9488|Adlarson, Patrik/0000-0001-6280-3851|Amoroso, Antonio/0000-0002-3095-8610|Kliemt, Ralf/0000-0002-6013-3329|Aliberti, Riccardo/0000-0003-3500-4012|Lange, Jens Soren/0000-0003-0234-0474|Kuessner, Meike/0000-0002-0028-0490|Kappert, Rosa/0000-0001-5429-3652|Muramatsu, Hajime/0000-0003-0305-4461|Rodin, Viktor/0000-0002-7076-2700|BALOSSINO, Ilaria/0000-0001-9646-4042|Bortone, Alberto/0000-0003-1577-5004|Achasov, Mikhail/0000-0002-9400-8622|Qi, Hongrong/0000-0002-9325-2308|Fan, Yulan/0000-0001-9616-9705|Johansson, Tord/0000-0002-6945-716X|Schoenning, Karin/0000-0002-3490-9584
dc.authorwosidFarineli, Riccardo/GVS-7124-2022
dc.authorwosidQIN, Liqing/V-6571-2017
dc.authorwosidTan, Wei/KBB-7333-2024
dc.authorwosidLin, Fan/JZT-1441-2024
dc.authorwosidWANG, YILUN/KFB-0627-2024
dc.authorwosidWang, zijun/JNS-5435-2023
dc.authorwosidHe, Chen/JLM-5059-2023
dc.contributor.authorAblikim, M.
dc.contributor.authorAchasov, M. N.
dc.contributor.authorAdlarson, P.
dc.contributor.authorAhmed, S.
dc.contributor.authorAlbrecht, M.
dc.contributor.authorAliberti, R.
dc.contributor.authorÇetin, Serkant Ali
dc.date.accessioned2024-07-18T20:47:12Z
dc.date.available2024-07-18T20:47:12Z
dc.date.issued2021
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, Enerji Sistemleri Mühendisliği Bölümüen_US
dc.description.abstractUsing 2.93 fb(-1) of e(+)e(-) collision data taken with the BESIII detector at a center-of-mass energy of 3.773 GeV, the observation of the D-0 -> K-1 (1270)(-)e(+)nu(e) semileptonic decay is presented. The statistical significance of the decay D-0 -> K-1 (1270)e(+)nu(e) is greater than 10 sigma. The branching fraction of D-0 -> K-1 (1270)(-)e(+)nu(e) is measured to be (1.09 +/- 0.13(-0.16)(+0.09) +/- 0.12) x 10(-3). Here, the first uncertainty is statistical, the second is systematic, and the third originates from the assumed branching fraction of K-1 (1270)(-) -> K-pi(+)pi(-). The fraction of longitudinal polarization in D-0 -> K-1 (1270)(-)e(+)nu(e) is determined for the first time to be 0.50 +/- 0.19(stat )+/- 0.08(syst).en_US
dc.description.sponsorshipNational Key Research and Development Program of China [2020YFA0406400, 2020YFA0406300]; National Natural Science Foundation of China (NSFC) [11775230, 11605124, 11625523, 11635010, 11735014, 11822506, 11835012, 11935015, 11935016, 11935018, 11961141012]; Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; NSFC [U1732263, U1832207, U1932108]; CAS [U1732263, U1832207, U1932108]; CAS Key Research Program of Frontier Sciences [QYZDJ-SSW-SLH003, QYZDJ-SSW-SLH040]; 100 Talents Program of CAS; Shanghai Key Laboratory for Particle Physics and Cosmology; ERC [758462]; European Union Horizon 2020 research and innovation programme [894790]; German Research Foundation DFG [443159800, CRC 1044, FOR 2359, GRK 214]; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey [DPT2006K120470]; National Science and Technology fund; Olle Engkvist Foundation [200-0605]; STFC (United Kingdom); Knut and Alice Wallenberg Foundation (Sweden) [2016.0157]; Royal Society, UK [DH140054, DH160214]; Swedish Research Council; U.S. Department of Energy [DE-FG02-05ER41374, DE-SC-0012069]; INPACen_US
dc.description.sponsorshipAuthors thank Wei Wang and Fu-Sheng Yu for helpful 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 Research and Development Program of China under Contracts No. 2020YFA0406400, No. 2020YFA0406300; National Natural Science Foundation of China (NSFC) under Contracts No. 11775230, No. 11605124, No. 11625523, No. 11635010, No. 11735014, No. 11822506, No. 11835012, No. 11935015, No. 11935016, No. 11935018, No. 11961141012; the Chinese Academy of Sciences (CAS) Large-Scale Scientific Facility Program; Joint Large-Scale Scientific Facility Funds of the NSFC and CAS under Contracts No. U1732263, No. U1832207, No. U1932108; CAS Key Research Program of Frontier Sciences under Contracts No. QYZDJ-SSW-SLH003, No. QYZDJ-SSW-SLH040; 100 Talents Program of CAS; INPAC and Shanghai Key Laboratory for Particle Physics and Cosmology; ERC under Contract No. 758462; European Union Horizon 2020 research and innovation programme under Contract No. Marie Sklodowska-Curie Grant Agreement No. 894790; German Research Foundation DFG under Contracts No. 443159800, Collaborative Research Center CRC 1044, FOR 2359, FOR 2359, GRK 214; Istituto Nazionale di Fisica Nucleare, Italy; Ministry of Development of Turkey under Contract No. DPT2006K120470; National Science and Technology fund; Olle Engkvist Foundation under Contract No. 200-0605; STFC (United Kingdom); The Knut and Alice Wallenberg Foundation (Sweden) under Contract No. 2016.0157; The Royal Society, UK under Contracts No. DH140054, No. DH160214; The Swedish Research Council; U.S. Department of Energy under Contracts No. DE-FG02-05ER41374, No. DE-SC-0012069.en_US
dc.identifier.doi10.1103/PhysRevLett.127.131801
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.issue13en_US
dc.identifier.pmid34623854en_US
dc.identifier.scopus2-s2.0-85118286051en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.127.131801
dc.identifier.urihttps://hdl.handle.net/11411/7720
dc.identifier.volume127en_US
dc.identifier.wosWOS:000704680000008en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorÇetin, Serkant Ali
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.subjectSemileptonic-Ben_US
dc.subjectTau-Decaysen_US
dc.subjectMesonsen_US
dc.subjectModelen_US
dc.titleObservation of D0 ? K1 (1270) -e+?e
dc.typeArticle

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