Speaker
Dr
Poulose Poulose
(IIT Guwahati)
Description
Many couplings in the MSSM, like the tri-linear couplings, the mass parameter, mu, etc. could in general be complex quantities, leaving a CP-violating Higgs sector. In such case the physical Higgs bosons will not be CP-eigenstates, leading to very different phenomenology compared to the CP-conserving MSSM. We explore the di-photon decay channel of the Higgs bosons within this context at the LHC. The leading order term being a triangular loop of particles including the stop quark, we investigate the influence of a light stop in the process arising through the complex Higgs-stop-stop coupling. Our study show substantial deviation in the cross section from the CP-conserving case. The effect is somewhat enhanced with the production through gluon fusion included.
Primary author
Dr
Poulose Poulose
(IIT Guwahati)
Co-authors
Dr
Shoaib Munir
(Mexico University)
Dr
Stefan Hesselbach
(IPPP, Durham University)
Prof.
Stefano Moretti
(Southampton University)
