천병구
2018-10-04T01:14:01Z
2018-10-04T01:14:01Z
2016-08
PHYSICAL REVIEW D, v. 94, NO. 3, Page. 32002-32002
2470-0010
2470-0029
https://journals.aps.org/prd/abstract/10.1103/PhysRevD.94.032002
https://repository.hanyang.ac.kr/handle/20.500.11754/76333
We report the discovery of Xi(c)(3055)(0), observed by its decay into the final-state Lambda D-0, and present the first observation and evidence of the decays of Xi(c)(3055)(+) and Xi(c)(3080)(+) into Lambda D+. We also perform a combined analysis of the Lambda D+ with the Sigma K-++(c)- and Sigma(c)*K-++(-) decay modes to measure the ratios of branching fractions, masses and widths with improved accuracy. We measure the ratios of branching fractions B(Xi(c)(3055)(+) -˃ Lambda D+)/B(Xi(c)(3055)(+) -˃ Sigma(++)(c) K-) = 5.09 +/- 1.01 +/- 0.76, B(Xi(c)(3080)(+) -˃ Lambda D+)/B(Xi(c)(3080)(+) -˃ Sigma K-++(c)-) = 1.29 +/- 0.30 +/- 0.15, and B(Xi(c)(3080)(+) -˃ Sigma(c)*K-++(-))/B(Xi(c)(3080)(+) -˃ Sigma K-++(c)-) = 1.07 +/- 0.27 +/- 0.04, where the uncertainties are statistical and systematic. The analysis is performed using a 980 fb(-1) data sample collected with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider.
We 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, the National Institute of Informatics, and the PNNL/EMSL computing group for valuable computing and SINET4 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; Austrian Science Fund under Grants No. P 22742-N16 and No. P 26794-N20; the National Natural Science Foundation of China under Contracts No. 10575109, No. 10775142, No. 10875115, No. 11175187, No. 11475187, and No. 11575017; the Chinese Academy of Science Center for Excellence in Particle Physics; the Ministry of Education, Youth and Sports of the Czech Republic under Contract No. LG14034; 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; the WCU program of the Ministry of Education, National Research Foundation (NRF) of Korea Grants No. 2011-0029457, No. 2012-0008143, No. 2012R1A1A2008330, No. 2013R1A1A3007772, No. 2014R1A2A2A01005286, No. 2014R1A2A2A01002734, No. 2015R1A2A2-A01003280, and No. 2015H1A2A1033649; the Basic Research Lab program under NRF Grant No. KRF-2011-0020333; the Center for Korean J-PARC Users, Grant No. NRF-2013K1A3A7A06056592; the Brain Korea 21-Plus program and Radiation Science Research Institute; the Polish Ministry of Science and Higher Education and the National Science Center; the Ministry of Education and Science of the Russian Federation and the Russian Foundation for Basic Research; the Slovenian Research Agency; Ikerbasque, the Basque Foundation for Science and the Euskal Herriko Unibertsitatea (UPV/EHU) under program UFI 11/55 (Spain); the Swiss National Science Foundation; the Ministry of Education and the Ministry of Science and Technology of Taiwan; and the U.S. Department of Energy and the National Science Foundation. This work is supported by a Grant-in-Aid for Scientific Research (S) "Probing New Physics with Tau-Lepton" (No. 26220706), a Grant-in-Aid for Scientific Research on Innovative Areas "Elucidation of New Hadrons with a Variety of Flavors," a Grant-in-Aid from MEXT for Science Research in a Priority Area ("New Development of Flavor Physics") and from JSPS for Creative Scientific Research ("Evolution of Tau-Lepton Physics").
en
AMER PHYSICAL SOC
DETECTOR
Studies of charmed strange baryons in the Lambda D final state at Belle
Article
3
94
10.1103/PhysRevD.94.032002
32002-32002
PHYSICAL REVIEW D
Kato, Y.
Iijima, T.
Adachi, I.
Aihara, H.
Asner, D. M.
Aulchenko, V.
Ayad, R.
Badhrees, I.
Bakich, A. M.
Cheon, B. G.
2016002893
S
COLLEGE OF NATURAL SCIENCES[S]
DEPARTMENT OF PHYSICS
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