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Light majoron cold dark matter from topological defects and the formation of boson stars

AuthorsReig, Mario; Valle, J.W.F.; Yamada, M.
KeywordsCosmic strings
domain walls
particle physics – cosmology connection
cosmology of theories beyond the SM
cosmological neutrinos
Issue DateSep-2019
PublisherIOP Publishing
CitationJournal of Cosmology and Astroparticle Physics 2019 (9): 029 (2019)
AbstractWe show that for a relatively light majoron (< 100 eV) non-thermal production from topological defects is an efficient production mechanism. Taking the type I seesaw as benchmark scheme, we estimate the primordial majoron abundance and determine the required parameter choices where it can account for the observed cosmological dark matter. The latter is consistent with the scale of unification. Possible direct detection of light majorons with future experiments such as PTOLEMY and the formation of boson stars from the majoron dark matter are also discussed.
Publisher version (URL)http://dx.doi.org/10.1088/1475-7516/2019/09/029
Identifiersdoi: 10.1088/1475-7516/2019/09/029
issn: 1475-7516
Appears in Collections:(IFIC) Artículos
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