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dc.contributor.author천병구-
dc.date.accessioned2020-03-09T04:39:39Z-
dc.date.available2020-03-09T04:39:39Z-
dc.date.issued2019-02-
dc.identifier.citationPHYSICAL REVIEW LETTERS, v. 122, NO 7, no. 072501en_US
dc.identifier.issn0031-9007-
dc.identifier.issn1079-7114-
dc.identifier.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.122.072501-
dc.identifier.urihttps://repository.hanyang.ac.kr/handle/20.500.11754/134654-
dc.description.abstractWe report the first observation of the double strange baryon Xi(1620)(0) in its decay to Xi(-) pi(+) via Xi(+)(c) -˃ Xi(-)pi(+)pi(+) decays based on a 980 fb(-1) data sample collected with the Belle detector at the KEKB asymmetricenergy e(+)e(-) collider. The mass and width are measured to be 1610.4 +/- 6.0(stat)(-4.2)(+6.1) (syst) MeV/c(2) and 59.9 +/- 4.8(stat)(-7.1)(+2.8)(syst) MeV, respectively. We obtain 4.0 sigma evidence of the Xi(1690)(0) with the same data sample. These results shed light on the structure of hyperon resonances with strangeness S = -2.en_US
dc.description.sponsorshipWe thank the KEKB group for the excellent operation of the accelerator; the KEK cryogenics group for the efficient operation of the solenoid; and the KEK computer group, and the Pacific Northwest National Laboratory (PNNL) Environmental Molecular Sciences Laboratory (EMSL) computing group for strong computing support; and the National Institute of Informatics, and Science Information NETwork 5 (SINET5) for valuable network support. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan, the Japan Society for the Promotion of Science (JSPS), and the Tau-Lepton Physics Research Center of Nagoya University; the Australian Research Council including Grants No. DP180102629, No. DP170102389, No. DP170102204, No. DP1501 03061, and No. FT130100303; Austrian Science Fund under Grant No. P 26794-N20; the National Natural Science Foundation of China under Contracts No. 11435013, No. 11475187, No. 11521505, No. 11575017, No. 11675166, No. 11705209; Key Research Program of Frontier Sciences, Chinese Academy of Sciences (CAS), Grant No. QYZDJ-SSW-SLH011; the CAS Center for Excellence in Particle Physics (CCEPP); the Shanghai Pujiang Program under Grant No. 18PJ1401000; the Ministry of Education, Youth and Sports of the Czech Republic under Contract No. LTT17020; the Carl Zeiss Foundation, the Deutsche Forschungsgemeinschaft, the Excellence Cluster Universe, and the VolkswagenStiftung; the Department of Science and Technology of India; the Istituto Nazionale di Fisica Nucleare of Italy; National Research Foundation (NRF) of Korea Grants No. 2015H1A2A1033649, No. 2016R1D1A1B01010135, No. 2016K1A3A7 A09005 603, No. 2016R1D1A1B02012900, No. 2018R1A2B3003 643, No. 2018R1A6A1 A06024970, and No. 2018R1D1 A1B07047294; Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project, the Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information and KREONET/GLORIAD; the Polish Ministry of Science and Higher Education and the National Science Center; the Grant of the Russian Federation Government, Agreement No. 14.W03.31.0026; the Slovenian Research Agency; Ikerbasque, Basque Foundation for Science, Basque Government (No. IT956-16) and Ministry of Economy and Competitiveness (MINECO) (Juan de la Cierva), Spain; the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the United States Department of Energy and the National Science Foundation.en_US
dc.language.isoenen_US
dc.publisherAMER PHYSICAL SOCen_US
dc.subjectQUARK-MODELen_US
dc.subjectBARYONSen_US
dc.titleObservation of Xi(1620)(0) and Evidence for Xi(1690)(0) in Xi(+)(c) -˃ Xi(-) pi(+) pi(+) Decaysen_US
dc.typeArticleen_US
dc.relation.no7-
dc.relation.volume122-
dc.identifier.doi10.1103/PhysRevLett.122.072501-
dc.relation.page72501-72501-
dc.relation.journalPHYSICAL REVIEW LETTERS-
dc.contributor.googleauthorSumihama, M.-
dc.contributor.googleauthorAdachi, I.-
dc.contributor.googleauthorAhn, J. K.-
dc.contributor.googleauthorAihara, H.-
dc.contributor.googleauthorAl Said, S.-
dc.contributor.googleauthorAsner, D. M.-
dc.contributor.googleauthorAtmacan, H.-
dc.contributor.googleauthorAushev, T.-
dc.contributor.googleauthorAyad, R.-
dc.contributor.googleauthorCheon, B. G.-
dc.relation.code2019001327-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF NATURAL SCIENCES[S]-
dc.sector.departmentDEPARTMENT OF PHYSICS-
dc.identifier.pidbgcheon-


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