Could unstable relic particles distort the microwave background radiation?

Details Could unstable relic particles distort the microwave background radiation? Could unstable relic particles distort the microwave background radiation?

Mar 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989apj...338l..41d&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 338, March 15, 1989, p. L41-L44. Research supported by the U.S.-I

Mathematics

Logic

12

Background Radiation, Elementary Particles, Microwave Radiometers, Particle Interactions, Relic Radiation, Weak Energy Interactions, Big Bang Cosmology, Black Body Radiation, Red Shift, Universe

Scientific paper

Three general classes of possible scenarios for the recently reported distortion of the microwave background radiation (MBR) via decaying relic weakly interacting particles are analyzed. The analysis shows that such particles could not reheat the universe and cause the spectral distortion of the MBR. Gravitational processes such as the early formation of massive black holes may still be plausible energy sources for producing the reported spectral distortion of the MBR at an early cosmological epoch.

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