Speaker
Mr
Arindam Chatterjee
(University of Bonn)
Description
We demonstrate that in the simplest CP conserving scenario, the MSSM higgs fields can act as an inflaton, in the presence of a Planck suppressed non-renormalizable term in the superpotential. The inflation occurs around an inflection point which can match the current WMAP data. Since inflation occurs at a low scale, the moduli problem does not appear, and the supergravity corrections remain negligible. However, there is a fine tuning needed between the MSSM paramaters involved, at a high
energy scale. We use the Suspect RGE code to show that, however, successful EWSB is possible over a large parameter space in spite of the fine tuning at a high scale, and also that the fine tuning at a high scale does not correspond to any fine tuning at the EWSB scale.
Primary authors
Dr
Anupam Mazumdar
(Lancaster Uiversity)
Mr
Arindam Chatterjee
(University of Bonn)
