Possible infrared signature of decaying particles

Details Possible infrared signature of decaying particles Possible infrared signature of decaying particles

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...345l...9w&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 345, Oct. 1, 1989, p. L9-L12.

Astronomy and Astrophysics

Astronomy

4

Infrared Astronomy, Photons, Relic Radiation, Universe, Compton Effect, Decay, Lyman Alpha Radiation, Neutrinos, Red Shift

Scientific paper

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 os 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.

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