Moduli/Inflaton Mixing with Supersymmetry Breaking Field

Details Moduli/Inflaton Mixing with Supersymmetry Breaking Field Moduli/Inflaton Mixing with Supersymmetry Breaking Field

2006-05-09

arxiv.org/abs/hep-ph/0605091v2

Phys.Rev. D74 (2006) 023531

Physics

High Energy Physics

High Energy Physics - Phenomenology

29 pages, no figure. v2: with several corrections, to appear in PRD

Scientific paper

10.1103/PhysRevD.74.023531

A heavy scalar field such as moduli or an inflaton generally mixes with a field responsible for the supersymmetry breaking. We study the scalar decay into the standard model particles and their superpartners, gravitinos, and the supersymmetry breaking sector, particularly paying attention to decay modes that proceed via the mixing between the scalar and the supersymmetry breaking field. The impacts of the new decay processes on cosmological scenarios are also discussed; the modulus field generically produces too much gravitinos, and most of the inflation models tend to result in too high reheating temperature and/or gravitino overproduction.

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