High energy neutrino flux from ordinary cosmic strings

We calculate the flux of ultrahigh energy neutrinos from ordinary (i.e. non-superconducting) cosmic strings and compare the results with the most recent observational constraints. For heavy strings (where the mass per unit length is determined by the scale of grand unification) the predicted flux is...

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Bibliographic Details
Published in:Nuclear physics. B 1990-02, Vol.331 (1), p.153-172
Main Authors: MacGibbon, Jane H., Brandenberger, Robert H.
Format: Article
Language:English
Subjects:
Exact sciences and technology
General relativity and gravitation
Physics
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Summary:We calculate the flux of ultrahigh energy neutrinos from ordinary (i.e. non-superconducting) cosmic strings and compare the results with the most recent observational constraints. For heavy strings (where the mass per unit length is determined by the scale of grand unification) the predicted flux is below the present observational limits. However, sufficiently light strings may be detectable by this mechanism. Our calculations give only upper limits for the neutrino flux, since the source of the neutrinos, jets from particle production at cusps, may be weakened by back-reaction effects.
ISSN:0550-3213
1873-1562
DOI:10.1016/0550-3213(90)90020-E