4.7 Article

Measurement of time-dependent CP asymmetries in B-0 -> K-S(0)eta gamma decays

期刊

PHYSICAL REVIEW D
卷 97, 期 9, 页码 -

出版社

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.97.092003

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资金

  1. Japan Society for the Promotion of Science (JSPS) [16H03968]
  2. Ministry of Education, Culture, Sports, Science, and Technology (MEXT) of Japan
  3. Japan Society for the Promotion of Science (JSPS)
  4. Tau-Lepton Physics Research Center of Nagoya University
  5. Australian Research Council
  6. Austrian Science Fund [P 26794-N20]
  7. National Natural Science Foundation of China [11435013, 11475187, 11521505, 11575017, 11675166, 11705209]
  8. Chinese Academy of Sciences (CAS) [QYZDJ-SSW-SLH011]
  9. CAS Center for Excellence in Particle Physics (CCEPP)
  10. Fudan University [JIH5913023, IDH5913011/003, JIH5913024, IDH5913011/002]
  11. Ministry of Education, Youth and Sports of the Czech Republic [LTT17020]
  12. Carl Zeiss Foundation
  13. Deutsche Forschungsgemeinschaft
  14. Excellence Cluster Universe
  15. VolkswagenStiftung
  16. Department of Science and Technology of India
  17. Istituto Nazionale di Fisica Nucleare of Italy
  18. National Research Foundation (NRF) of Korea [2014R1A2A2A01005286, 2015R1A2A2A01003280, 2015H1A2A1033649, 2016R1D1A1B01010135, 2016K1A3A7A09005603, 2016R1D1A1B02012900]
  19. Radiation Science Research Institute, Foreign Large-size Research Facility Application Supporting project
  20. Global Science Experimental Data Hub Center of the Korea Institute of Science and Technology Information
  21. Polish Ministry of Science and Higher Education
  22. National Science Center
  23. Ministry of Education and Science of the Russian Federation
  24. Russian Foundation for Basic Research
  25. Slovenian Research Agency
  26. Ikerbasque, Basque Foundation for Science, Basque Government [IT956-16]
  27. Ministry of Economy and Competitiveness (MINECO) (Juan de la Cierva), Spain
  28. Swiss National Science Foundation
  29. Ministry of Education
  30. Ministry of Science and Technology of Taiwan
  31. United States Department of Energy
  32. National Science Foundation

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We report a measurement of time-dependent CP violation parameters in B-0 -> K-S(0)eta gamma decays. The study is based on a data sample, containing 772 x 10(6)B(B)over-bar pairs, that was collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We obtain the CP violation parameters of S = -1.32 +/- 0.77(stat) +/- 0.36(syst) and A = -0.48 +/- 0.41(stat) f 0.07(syst) for the invariant mass of the K-S(0)eta system up to 2.1 GeV/c(2).

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