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	Author	Choi, K.Y.; Gong, J.O.; Joh, J.; Park, W.I.; Seto, O.
	Title	Light cold dark matter from non-thermal decay			Type	Journal Article
	Year	2023	Publication	Physics Letters B	Abbreviated Journal	Phys. Lett. B
	Volume	845	Issue		Pages	138126 - 8pp
	Keywords	Dark matter; Non-thermal production; Axion; Q-ball; Dark matter; Non-thermal production; Axion; Q-ball; Dark matter; Non-thermal production; Axion; Q-ball
	Abstract	We investigate the mass range and the corresponding free-streaming length scale of dark matter produced non-thermally from decay of heavy objects which can be either dominant or sub-dominant at the moment of decay. We show that the resulting dark matter could be very light well below keV scale with a free-streaming length satisfying the Lyman-alpha constraints. We demonstrate two explicit examples for such light cold dark matter.
	Address	[Choi, Ki-Young; Joh, Junghoon] Sungkyunkwan Univ, Dept Phys, Dept Phys, Suwon 16419, South Korea, Email: kiyoungchoi@skku.edu;
	Corporate Author				Thesis
	Publisher	Elsevier	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0370-2693	ISBN		Medium
	Area		Expedition		Conference
	Notes	WOS:001155183100001			Approved	no
	Is ISI	yes	International Collaboration	yes
	Call Number	IFIC @ pastor @			Serial	5942
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