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Axion thermalization in the early universe

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Issue date
2002
Author
Massó, Eduard
Rota, Francesc
Zsembinszki, Gabriel
Suggested citation
Massó, Eduard; Rota, Francesc; Zsembinszki, Gabriel; . (2002) . Axion thermalization in the early universe. Physical Review D, 2002, vol. 66, p. 023004. https://doi.org/10.1103/PhysRevD.66.023004.
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Abstract
We reanalyze the conditions under which we have a primordial thermal population of axions. We extend a previous study and take into account processes involving gluons and quarks. We conclude that if the PecceiQuinn scale satisfies Fa,1.231012 GeV there is thermal axion production. In this case, a period in the early universe exists where axions would interact with the QCD plasma and we point out that nonthermal axions produced before the end of this period would thermalize.
URI
http://hdl.handle.net/10459.1/56677
DOI
https://doi.org/10.1103/PhysRevD.66.023004
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Physical Review D, 2002, vol. 66, p. 023004
European research projects
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  • Articles publicats (Informàtica i Enginyeria Industrial) [990]

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