Thermal production of gravitinos
| dc.creator | Rychkov, Vyacheslav S. | |
| dc.creator | Strumia, Alessandro | |
| dc.date | 2007-01-14 | |
| dc.date | 2007-04-12 | |
| dc.date.accessioned | 2026-07-07T10:37:44Z | |
| dc.date.available | 2026-07-07T10:37:44Z | |
| dc.description | We reconsider thermal production of gravitinos in the early universe, adding to previously considered 2 -> 2 gauge scatterings: a) production via 1 -> 2 decays, allowed by thermal masses; b) the effect of the top Yukawa coupling; c) a proper treatment of the reheating process. Our final result behaves physically (larger couplings give a larger rate) and is twice larger than previous results, implying e.g. a twice stronger constraint on the reheating temperature. Accessory results about (supersymmetric) theories at finite temperature and gravitino couplings might have some interest. | |
| dc.description | 33 pages (long appendices), 12 figures. Final version to appear on PRD | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0701104 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0701104 | |
| dc.identifier | Phys.Rev.D75:075011,2007 | |
| dc.identifier | doi:10.1103/PhysRevD.75.075011 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/180479 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.subject | High Energy Physics - Theory | |
| dc.title | Thermal production of gravitinos | |
| dc.type | text |