Journal
PHYSICAL REVIEW D
Volume 94, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.94.032002
Keywords
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Funding
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
- Japan Society for the Promotion of Science (JSPS)
- Tau-Lepton Physics Research Center of Nagoya University
- Australian Research Council
- Austrian Science Fund [P 22742-N16, P 26794-N20]
- National Natural Science Foundation of China [10575109, 10775142, 10875115, 11175187, 11475187, 11575017]
- Chinese Academy of Science Center for Excellence in Particle Physics
- Ministry of Education, Youth and Sports of the Czech Republic [LG14034]
- Carl Zeiss Foundation
- Deutsche Forschungsgemeinschaft
- Excellence Cluster Universe
- VolkswagenStiftung
- Department of Science and Technology of India
- Istituto Nazionale di Fisica Nucleare of Italy
- WCU program of the Ministry of Education, National Research Foundation (NRF) of Korea [2011-0029457, 2012-0008143, 2012R1A1A2008330, 2013R1A1A3007772, 2014R1A2A2A01005286, 2014R1A2A2A01002734, 2015R1A2A2-A01003280, 2015H1A2A1033649]
- Basic Research Lab program under NRF [KRF-2011-0020333]
- Center for Korean J-PARC Users [NRF-2013K1A3A7A06056592]
- Brain Korea 21-Plus program and Radiation Science Research Institute
- Polish Ministry of Science and Higher Education
- National Science Center
- Ministry of Education and Science of the Russian Federation
- Russian Foundation for Basic Research
- Slovenian Research Agency
- Ikerbasque, the Basque Foundation for Science (Spain)
- Euskal Herriko Unibertsitatea (UPV/EHU) (Spain) [UFI 11/55]
- Swiss National Science Foundation
- Ministry of Education
- Ministry of Science and Technology of Taiwan
- U.S. Department of Energy
- National Science Foundation
- MEXT [26220706]
- JSPS
- Grants-in-Aid for Scientific Research [26220706] Funding Source: KAKEN
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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.
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