Galactic cosmic strings as sources of primary antiprotons

Glenn D. Starkman; Tanmay Vachaspati

doi:10.1103/PhysRevD.53.R6711

Galactic cosmic strings as sources of primary antiprotons

Glenn D. Starkman, Tanmay Vachaspati

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14 Scopus citations

Abstract

A possible signature of a class of superconducting cosmic strings trapped in the Milky Way plasma is the emission of low energy antiprotons due to baryon-number-violating processes on the string. We find the terrestrial flux and the energy spectrum of such antiprotons. Current observational bounds on the flux of low energy antiprotons place a lower bound on the string tension which is comparable to that given by the electroweak scale.

Original language	English (US)
Pages (from-to)	R6711-R6714
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	53
Issue number	12
DOIs	https://doi.org/10.1103/PhysRevD.53.R6711
State	Published - 1996
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.53.R6711

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author = "Starkman, {Glenn D.} and Tanmay Vachaspati",

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AB - A possible signature of a class of superconducting cosmic strings trapped in the Milky Way plasma is the emission of low energy antiprotons due to baryon-number-violating processes on the string. We find the terrestrial flux and the energy spectrum of such antiprotons. Current observational bounds on the flux of low energy antiprotons place a lower bound on the string tension which is comparable to that given by the electroweak scale.

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Galactic cosmic strings as sources of primary antiprotons

Abstract

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