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Axions from wall decay

✍ Scribed by S. Chang; C. Hagmann; P. Sikivie

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 464 KB
Volume: 72
Category: Article
ISSN: 0920-5632
DOI: 10.1016/s0920-5632(98)00510-6

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✦ Synopsis

We discuss the decay of axion walls bounded by strings and present numerical simulations of the decay process. In these simulations, the decay happens immediately, in a time scale of order the light travel time, and the average energy of the radiated axions is (wa) -~ 7ma for v~,/rna ~-500. (w~) is found to increase approximately linearly with ln(v~,/m,~). Extrapolation of this behaviour yields <w~) -~ 60ma in axion models of interest.

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