Calculation of atmospheric neutrino-induced backgrounds in a nucleon-decay search

Journal Article · Mon Oct 20 04:00:00 EDT 1986 · Phys. Rev. Lett.; (United States)

DOI:https://doi.org/10.1103/PhysRevLett.57.1986· OSTI ID:7104466

Haines, T J; Bionta, R M; Blewitt, G; Bratton, C B; Casper, D; Claus, R; Cortez, B G; Errede, S; Foster, G W; Gajewski, W; others, and

We have developed an extensive model of atmospheric ..nu.. interactions which provide the backgrounds to nucleon-decay experiments. We report results from a 417-live-day exposure of the Irvine-Michigan-Brookhaven detector. During this time 401 contained events were observed at a rate and with characteristics consistent with atmospheric ..nu.. interactions. We have calculated the expected backgrounds to a variety of two- and three-body decay modes and have set lower limits on many nucleon partial lifetimes.

• Research Organization: University of California, Irvine, California 92717; University of Michigan, Ann Arbor, Michigan 48109; Brookhaven National Laboratory, Upton, New York 11973; Cleveland State University, Cleveland, Ohio 44115; University of Hawaii, Honolulu, Hawaii 96822; University of Notre Dame, Notre Dame, Indiana 46556
• OSTI ID: 7104466
• Journal Information: Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 57:16; ISSN PRLTA
• Country of Publication: United States
• Language: English

Related Subjects

645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANISOTROPY
BACKGROUND RADIATION
BARYONS
BASIC INTERACTIONS
BOSONS
CHARGED-CURRENT INTERACTIONS
COSMIC NEUTRINOS
COSMIC RADIATION
CROSS SECTIONS
DECAY
DIRECT REACTIONS
ELEMENTARY PARTICLES
FERMIONS
HADRONS
INTERACTIONS
IONIZING RADIATIONS
LEPTON-BARYON INTERACTIONS
LEPTON-HADRON INTERACTIONS
LEPTON-NUCLEON INTERACTIONS
LEPTONS
LIFETIME
MASSLESS PARTICLES
MESONS
MONTE CARLO METHOD
MUONS
NEUTRAL-CURRENT INTERACTIONS
NEUTRINO-NUCLEON INTERACTIONS
NEUTRINOS
NUCLEAR REACTIONS
NUCLEONS
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PIONS
PSEUDOSCALAR MESONS
QUASI-ELASTIC SCATTERING
QUASI-FREE REACTIONS
RADIATIONS
SCATTERING
WEAK INTERACTIONS