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Search for single photons from supersymmetric particle production

Journal Article · · Phys. Rev. Lett.; (United States)
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A search in e/sup +/e/sup -/ annihilation for final states which contain only a single energetic photon has been performed at ..sqrt..s = 29 GeV with the MAC detector at PEP. The upper limit on an anomalous signal has been interpreted in terms of mass limits for supersymmetric particles under the assumption of radiative pair paroduction of either supersymmetric photons or neutrinos. For the supersymmetric electron (e) this limit is m/sub e/>37 GeV/c/sup 2/ at the 90% confidence level if M/sub e//sub L/ = m/sub e//sub R/ and the supersymmetric photo (gamma-tilde) has m/sub gamma-tilde/ = 0.
Research Organization:
Department of Physics, University of Colorado, Boulder, Colorado 80309
DOE Contract Number:
AC02-81ER40025; AC03-76SF00515; AC02-76ER00881
OSTI ID:
5939997
Journal Information:
Phys. Rev. Lett.; (United States), Journal Name: Phys. Rev. Lett.; (United States) Vol. 54:11; ISSN PRLTA
Country of Publication:
United States
Language:
English

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Related Subjects

645101 -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Electromagnetic Interactions & Properties
645102* -- High Energy Physics-- Particle Interactions & Properties-Experimental-- Weak Interactions & Properties
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
ANNIHILATION
BASIC INTERACTIONS
DISTRIBUTION
ELECTRODYNAMICS
ELECTROMAGNETIC INTERACTIONS
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
FIELD THEORIES
GEV RANGE
GEV RANGE 10-100
INTERACTIONS
LEPTON-LEPTON INTERACTIONS
LEPTONS
MASS SPECTRA
MASSLESS PARTICLES
NEUTRINOS
PAIR PRODUCTION
PARTICLE IDENTIFICATION
PARTICLE INTERACTIONS
PARTICLE PRODUCTION
PEP STORAGE RINGS
PHOTONS
POSTULATED PARTICLES
QUANTUM ELECTRODYNAMICS
QUANTUM FIELD THEORY
SPECTRA
STORAGE RINGS
SUPERSYMMETRY
SYMMETRY