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Title: Proton annihilation at hadron colliders and Kamioka: High energy versus high luminosity

Journal Article · · Physical Review. D, Particles, Fields, Gravitation and Cosmology
 [1];  [2];  [2]
  1. Univ. of Notre Dame, IN (United States). Dept. of Physics
  2. Univ. of Hawaii at Manoa, Honolulu, HI (United States). Dept. of Physics and Astronomy

Herein, we investigate models and prospects for proton annihilation to dileptons, a process which violates baryon and lepton number each by two. We determine that currently Super-Kamiokande would place the most draconian bound on p p + + , ruling out new physics below a scale of ~ 1.6 TeV . We also find present and future hadron collider sensitivity to these processes. While 8 TeV LHC data exclude new physics at a scale below ~ 800 GeV , the reach of a 14 TeV LHC run is ~ 1.8 TeV , putting it on par with the sensitivity of Super-Kamiokande. However, a 100 TeV proton-proton collider would be sensitive to proton annihilation at a scale up to 10 TeV, allowing it to far exceed the reach of both Super-Kamiokande and the projected 2 TeV reach of Hyper-Kamiokande. Constraints from neutron star observation and cosmological evolution are not competitive. Therefore, although high-luminosity water Cherenkov experiments currently place the leading bounds on baryon and lepton number violation, next-generation high-energy hadron colliders will begin surpassing them in sensitivity to some B / L -violating processes

Research Organization:
Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP); National Science Foundation (NSF)
Grant/Contract Number:
SC0010504; PHY11-25915
OSTI ID:
1598660
Alternate ID(s):
OSTI ID: 1180209
Journal Information:
Physical Review. D, Particles, Fields, Gravitation and Cosmology, Vol. 91, Issue 3; ISSN 1550-7998
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 8 works
Citation information provided by
Web of Science

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Cited By (1)

Towards the Final Word on Neutralino Dark Matter text January 2015

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