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A SIMPLIFIED TOP DOWN MODEL FOR COSMIC RAY PARTICLE PRODUCTION

Instituto de Física e Matemática, Universidade Federal de Pelotas, Campus s/no, C.P.: 354, Pelotas, 96010-900, RS, Brazil

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V. P. B. GONÇALVES

Instituto de Física e Matemática, Universidade Federal de Pelotas, Campus s/no, C.P.: 354, Pelotas, 96010-900, RS, Brazil

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B. E. J. BODMANN

Universidade Federal do Rio Grande do Sul, Av. Osvaldo Aranha, 99/4, Porto Alegre, 90035-190, RS, Brazil

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, and

S. MITTMANN DOS SANTOS

Universidade Federal do Rio Grande do Sul, Av. Osvaldo Aranha, 99/4, Porto Alegre, 90035-190, RS, Brazil

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https://doi.org/10.1142/S0218271807010353Cited by:0 (Source: Crossref)

Abstract

We investigate the implications of a minimal top down model on cosmic ray particle production from super heavy vector boson annihilation with subsequent pseudo-scalar boson decay. Super heavy particles are assumed to exist according to a homogeneous distribution. Besides the particle production via decay, the thermal momentum distribution of the initial state as well as expansion effects and cosmic temperature corrections are considered in the context of a Friedmann–Robertson–Walker universe.

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