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arXiv · hep-ph/9304306

Gamma Rays from Small Scale Structures on Long Cosmic Strings

M. Mohazzab·R. H. Brandenberger
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Abstract

The formation of cusps on long cosmic strings is discussed and the probability of cusp formation is estimated. The energy distribution of the gamma-ray background due to cusp annihilation on long strings is calculated and compared to observations. Under optimistic assumptions about the cusp formation rate, we find that strings with a mass per unit length $μ$ less than ${Gμ} = 10^{-14}$ will have an observable effect. However, it is shown that the gamma-ray bursters can not be attributed to long ordinary strings (or loops).

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M. Mohazzab, R. H. Brandenberger. 1993-04-27. Gamma Rays from Small Scale Structures on Long Cosmic Strings. https://doi.org/10.1142/s0218271893000167

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