Gravitino Overproduction through Moduli Decay : Particles and Fields
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概要
- 論文の詳細を見る
We derive cosmological constraints on the masses of generic scalar fields which decay only through gravitationally suppressed interactions into unstable gravitinos and ordinary particles in the supersymmetric standard model. For the gravitino mass 100 GeV-1 TeV, the scalar masses should be larger than 100 TeV to insure the validity of big-bang nucleosynthesis if no late-time entropy production dilutes the gravitino density.
- 理論物理学刊行会の論文
- 1998-08-25
著者
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Yanagida T
Advanced Technology Group R&d Center Sumitomo Heavy Industries Ltd.
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HASHIMOTO Masashi
Research Center, Nihon Nosan Kogyo K. K.
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Izawa Ken-iti
Department Of Physics And Resceu University Of Tokyo
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Yamaguchi Masahiro
Department Of Cardiothoracic Surgery Kobe Children's Hospital
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Yanagida Tsutomu
Department Of Physics Aud Resceu University Of Tokyo
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IZAWA Ken-Iti
Department of Physics,University of Tokyo
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YANAGIDA Tsutomu
Department of Physics,University of Tokyo
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