Gravitino Overproduction through Moduli Decay | Zendy

M. Hashimoto | Zendy; K.-I. Izawa | Zendy; Masahiro Yamaguchi | Zendy; T. Yanagida | Zendy

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Gravitino Overproduction through Moduli Decay

Author(s) -

M. Hashimoto,

K.-I. Izawa,

Masahiro Yamaguchi,

T. Yanagida

Publication year - 1998

Publication title -

progress of theoretical physics

Language(s) - English

Resource type - Journals

eISSN - 1347-4081

pISSN - 0033-068X

DOI - 10.1143/ptp.100.395

Subject(s) - gravitino , physics , particle physics , moduli , nucleosynthesis , supergravity , big bang nucleosynthesis , scalar (mathematics) , entropy production , supersymmetry , nuclear physics , quantum mechanics , nuclear reaction , geometry , mathematics

We derive cosmological constraints on the masses of generic scalar fieldswhich decay only through gravitationally suppressed interactions into unstablegravitinos and ordinary particles in the supersymmetric standard model. For thegravitino mass 100GeV-1TeV, the scalar masses should be larger than 100TeV tokeep the success of big-bang nucleosynthesis if no late-time entropy productiondilutes the gravitino density.Comment: 6 pages, late

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