Observable monochromatic photons from cosmic photino annihilation

Journal Article · Wed Jun 15 04:00:00 EDT 1988 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.37.3737· OSTI ID:6938461

Bergstroem, L; Snellman, H

A recent suggestion that the observations of monochromatic photons from annihilation of photinos into quarkonium plus a photon could be a signature of dark-matter photinos is extended to include all S- and P-wave bound quarkonium states for a general interaction Lagrangian and an estimate of the cross sections is given. We also propose the process lambdalambda-bar..--> gamma gamma.. as a potentially rich source of monochromatic photons and estimate its strength.

• Research Organization: Department of Theoretical Physics, University of Stockholm, Vanadisvaegen 9, S-113 46 Stockholm, Sweden
• OSTI ID: 6938461
• Journal Information: Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 37:12; ISSN PRVDA
• Country of Publication: United States
• Language: English

Related Subjects

640101* -- Astrophysics & Cosmology-- Cosmic Radiation
645202 -- High Energy Physics-- Particle Interactions & Properties-Theoretical-- Electromagnetic Interactions & Properties
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANNIHILATION
BASIC INTERACTIONS
BOUND STATE
COSMIC PHOTONS
COSMIC RADIATION
CROSS SECTIONS
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FERMIONS
FUNCTIONS
INTERACTIONS
IONIZING RADIATIONS
LAGRANGIAN FUNCTION
MASSLESS PARTICLES
MONOCHROMATIC RADIATION
P WAVES
PARTIAL WAVES
PARTICLE IDENTIFICATION
PARTICLE PRODUCTION
PHOTONS
QUARKONIUM
RADIATIONS
S WAVES
SUPERSYMMETRY
SYMMETRY
UNIVERSE