SOFT LEPTOGENESIS AND GRAVITINO DARK MATTER IN GAUGE MEDIATION
2011 ◽
Vol 20
(08)
◽
pp. 1533-1538
Keyword(s):
In gauge mediated SUSY breaking models, the gravitino is generally the lightest SUSY particle and can be a candidate for a dark matter. However the viable abundance of the gravitino requires rather low reheating temparature. With this low reheating temparature, it is difficult to explain the baryon asymmetry of the universe with thermal leptogenesis. We consider the extended scenario of the gauge mediation, which generates A-terms. In this extended scenario, soft leptogenesis works successfully with the low reheating temperature. Therefore we can explain the baryon asymmetry and gravitino dark matter simultaneously.
Keyword(s):
2020 ◽
Vol 501
(1)
◽
pp. 1426-1439
2016 ◽
Vol 2016
(09)
◽
pp. 005-005
◽
2013 ◽
Vol 22
(08)
◽
pp. 1330019
◽
Keyword(s):
2005 ◽
Vol 620
(1-2)
◽
pp. 17-26
◽
2006 ◽
Vol 39
◽
pp. 9-11
◽
Keyword(s):