4.7 Article

Search for proton decay via p → νK+ using 260 kiloton.year data of Super-Kamiokande

Journal

PHYSICAL REVIEW D
Volume 90, Issue 7, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.90.072005

Keywords

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Funding

  1. Japanese Ministry of Education, Culture, Sports, Science and Technology
  2. U.S. Department of Energy
  3. U.S. National Science Foundation
  4. Korean Research Foundation [BK21]
  5. National Research Foundation of Korea [NRF-20110024009]
  6. State Committee for Scientific Research in Poland [1757/B/H03/2008/35]
  7. European Union FP7 [PN-284518, GA-2011-289442]
  8. Japan Society for the Promotion of Science
  9. National Natural Science Foundation of China [10575056]
  10. National Research Foundation of Korea [2009-0083526] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
  11. Grants-in-Aid for Scientific Research [25105004, 23340062] Funding Source: KAKEN

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We have searched for proton decay via p -> nu K+ using Super-Kamiokande data from April 1996 to February 2013, 260 kiloton year exposure in total. No evidence for this proton decay mode is found. A lower limit of the proton lifetime is set to tau/B(p -> nu K+) > 5.9 x 10(33) years at 90% confidence level.

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