Fourth level MSSM inflation from new flat directions

Abstract

We propose a model of inflation driven by minimal extension of SUSY, commonly known as MSSM. Starting from gauge invariant flat directions in the n = 4 level comprising of QQQL,QuQd,QuLe and uude, we construct the inflaton potential and employ it to investigate for its consequences around the saddle point arising from the non-vanishing fourth derivative of the original potential. To this end, we derive the expressions for the important parameters in MSSM inflation using the loop corrected potential. We further estimate the observable parameters and find them to fit well with recent observational data from WMAP7 by using the code CAMB. We also explore the possibility of primordial black hole formation from our model. Finally, we analyze one loop RGE and compute different phenomenological parameters which could be precisely determined in LHC or future Linear Colliders.

9 pages, 11 figures, Final version, Accepted for publication in JCAP

References in corpus (6)

• Wilkinson Microwave Anisotropy Probe (WMAP) Three Year Results: Implications for Cosmology
• Gauge invariant MSSM inflaton
• Running Spectral Index and Formation of Primordial Black Hole in Single Field Inflation Models
• Supermassive black holes from primordial black hole seeds
• Probability of primordial black hole formation and its dependence on the radial profile of initial configurations
• Higgsflation at the GUT scale in a Higgsless Universe

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