Speaker
Dr
Grigoris Panotopoulos
(University of Valencia and IFIC)
Description
In the framework of the constrained NMSSM it is assumed that the gravitino LSP and the lightest neutralino NLSP are nearly degenerate in mass. In this scenario the neutralino is quasi-stable, the BBN constraints are easily avoided,
and a large reheating temperature compatible with thermal leptogenesis can be obtained. Since the neutralino is extremely long-lived, a) it partially contributes to the cold dark matter abundance, and b) it may be found in direct detection searches.
Primary author
Dr
Grigoris Panotopoulos
(University of Valencia and IFIC)
Co-author
Prof.
Gabriela Barenboim
(University of Valencia and IFIC)
