10.5281/zenodo.1335086
https://zenodo.org/records/1335086
oai:zenodo.org:1335086
Mansi Dhuria
Mansi Dhuria
Aalok Misra
Aalok Misra
Gravitino Dark Matter in (nearly) SLagy D3/D7 m-Split SUSY
Zenodo
2013
2013-01-20
eng
10.5281/zenodo.1335085
14425
Creative Commons Attribution 4.0 International
In the context of large volume Big Divisor (nearly)
SLagy D3/D7 μ-Split SUSY [1], after an explicit identification
of first generation of SM leptons and quarks with fermionic superpartners
of four Wilson line moduli, we discuss the identification of
gravitino as a potential dark matter candidate by explicitly calculating
the decay life times of gravitino (LSP) to be greater than age of
universe and lifetimes of decays of the co-NLSPs (the first generation
squark/slepton and a neutralino) to the LSP (the gravitino) to be
very small to respect BBN constraints. Interested in non-thermal
production mechanism of gravitino, we evaluate the relic abundance
of gravitino LSP in terms of that of the co-NLSP-s by evaluating
their (co-)annihilation cross sections and hence show that the former
satisfies the requirement for a potential Dark Matter candidate. We
also show that it is possible to obtain a 125 GeV light Higgs in our
setup.