Gravitino Dark Matter from Inflaton Decay

Simple item page
dc.creatorTakahashi, Fuminobu
dc.date2007-05-04
dc.date2007-08-09
dc.date.accessioned2026-07-07T11:20:29Z
dc.date.available2026-07-07T11:20:29Z
dc.descriptionWe discuss a scenario that gravitinos produced non-thermally by an inflaton decay constitute dark matter in the present universe. We find that this scenario is realized for wide ranges of the inflaton mass and the vacuum expectation value. What is intriguing about this scenario is that the gravitino dark matter can have a relatively large free streaming length at matter-radiation equality, which can be probed by future observation on QSO-galaxy strong lens system.
dc.description16 pages, 3 figures. v2: references and figures added
dc.identifierhttps://arxiv.org/abs/0705.0579
dc.identifierhttp://arxiv.org/abs/0705.0579
dc.identifierPhys.Lett.B660:100-106,2008
dc.identifierdoi:10.1016/j.physletb.2007.12.048
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193979
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.subjectHigh Energy Physics - Theory
dc.titleGravitino Dark Matter from Inflaton Decay
dc.typetext

Files

Collections

arXiv