Possible infrared signature of decaying particles

Journal Article · Sun Oct 01 04:00:00 EDT 1989 · Astrophysical Journal; (USA)

DOI:https://doi.org/10.1086/185539· OSTI ID:5095481

Wang, B; Field, G B ^[1]

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1. Harvard-Smithsonian Center for Astrophysics, Cambridge, MA (USA)

A scenario for massive decaying particles is proposed which accounts for the detection of the submillimeter isotropic radiation component of the IR background (Matsumoto et al., 1988). The peak of the decay photon spectrum in the scenario is at several microns. The observed spectrum of the IR background is compared to that of decay photons with degraded energy. Within the limits to the radiative decays of neutrinos from gamma-ray observations of SN 1987A, it is found that the observed spectrum of decay photons is consistent with the IR background spectrum for decaying particle masses in the range between 5 and 18 keV, lifetimes in the range 2-7 X 10 to the 10th s, and a photon branching range of 0.0004 and 0.0009. 17 refs.

• OSTI ID: 5095481
• Journal Information: Astrophysical Journal; (USA), Journal Name: Astrophysical Journal; (USA) Vol. 345; ISSN ASJOA; ISSN 0004-637X
• Country of Publication: United States
• Language: English

Related Subjects

640106* -- Astrophysics & Cosmology-- Cosmology
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
BACKGROUND RADIATION
BASIC INTERACTIONS
COMPTON EFFECT
DECAY
ELASTIC SCATTERING
ELECTROMAGNETIC INTERACTIONS
ELECTROMAGNETIC RADIATION
ELEMENTARY PARTICLES
FERMIONS
INFRARED RADIATION
INTERACTIONS
ISOTROPY
LEPTONS
LYMAN LINES
MASSLESS PARTICLES
MATHEMATICAL MODELS
MICROWAVE RADIATION
NEUTRINOS
PARTICLE DECAY
PHOTONS
RADIATIONS
RADIATIVE DECAY
RED SHIFT
RELICT RADIATION
SCATTERING
UNIVERSE