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High Energy Physics - Phenomenology

arXiv:hep-ph/9807428 (hep-ph)
[Submitted on 20 Jul 1998 (v1), last revised 10 Aug 1998 (this version, v2)]

Title:Axions from string decay

Authors:C. Hagmann, S. Chang, P. Sikivie
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Abstract: We have studied numerically the evolution and decay of axion strings. These global defects decay mainly by axion emission and thus contribute to the cosmological axion density. The relative importance of this source relative to misalignment production of axions depends on the spectrum. Radiation spectra for various string loop configurations are presented. They support the contention that the string decay contribution is of the same order of magnitude as the contribution from misalignment.
Comments: 6 pages, 8 figures, to be published in the Proc. of the 5th IFT Axion workshop, Gainesville FL, Mar 13-15 1998, 2 sentences slightly changed
Subjects: High Energy Physics - Phenomenology (hep-ph)
Report number: UCRL-JC-131307
Cite as: arXiv:hep-ph/9807428
  (or arXiv:hep-ph/9807428v2 for this version)
  https://doi.org/10.48550/arXiv.hep-ph/9807428
Journal reference: Nucl.Phys.Proc.Suppl. 72 (1999) 81-86
Related DOI: https://doi.org/10.1016/S0920-5632%2898%2900506-4

Submission history

From: Christian Hagmann [view email]
[v1] Mon, 20 Jul 1998 21:06:23 UTC (126 KB)
[v2] Mon, 10 Aug 1998 22:14:32 UTC (126 KB)
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