Cosmological constraints on heavy unstable particles

Details Cosmological constraints on heavy unstable particles Cosmological constraints on heavy unstable particles

Nov 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985phrvd..32.2822c&link_type=abstract

Physical Review D (Particles and Fields), Volume 32, Issue 10, 15 November 1985, pp.2822-2827

Mathematics

Logic

2

Particle-Theory And Field-Theory Models Of The Early Universe

Scientific paper

We present cosmological constraints for the heavy unstable particles. The main result is the lifetime versus mass plot of the heavy unstable particles M. These kinds of particles are predicted in many composite-fermion models. If the grand unification mass MX is around 1015 GeV, dimension-6 M-decaying operators are necessary to allow heavy composite particles above 107.6 GeV.

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