Supersymmetric standard model inflation in the Planck era

Details Supersymmetric standard model inflation in the Planck era Supersymmetric standard model inflation in the Planck era

Mar 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aps..apr.d7003o&link_type=abstract

American Physical Society, APS April Meeting 2012, March 31-Apr 3, 2012, abstract #D7.003

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Scientific paper

We propose a cosmological inflationary scenario based on the supergravity-embedded Standard Model supplemented by the right-handed neutrinos. We show that with an appropriate Kähler potential the L-Hu direction gives rise to successful inflation that is similar to the recently proposed gravitationally coupled Higgs inflation model but is free from the unitarity problem. The mass scale MR of the right-handed neutrinos is subject to the seesaw relation and the present 2-σ constraint from the WMAP7-BAO-H0 data sets its lower bound MR 1 TeV. Generation of the baryon asymmetry is naturally implemented in this model. We expect within a few years new observational data from the Planck satellite clearly discriminates this model from other existing inflationary models arising from the same Lagrangian,and possibly yields stringent constraints on MR.

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