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Moduli mediation without moduli-induced gravitino problem

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Title: Moduli mediation without moduli-induced gravitino problem
Authors: Akita, Kensuke Browse this author
Kobayashi, Tatsuo Browse this author
Oikawa, Akane Browse this author
Otsuka, Hajime Browse this author
Keywords: Cosmology of Theories beyond the SM
Supergravity Models
Issue Date: 30-May-2016
Publisher: Springer
Journal Title: Journal of High Energy Physics
Volume: 2016
Issue: 5
Start Page: 178
Publisher DOI: 10.1007/JHEP05(2016)178
Abstract: We study the moduli-induced gravitino problem within the framework of the phenomenologically attractive mirage mediations. The huge amount of gravitino generated by the moduli decay can be successfully diluted by introducing an extra light modulus field which does not induce the supersymmetry breaking. Since the lifetime of extra modulus field becomes longer than usually considered modulus field, our proposed mechanism is applied to both the low- and high-scale supersymmetry breaking scenarios. We also point out that such an extra modulus field appears in the flux compactification of type II string theory.
Type: article
Appears in Collections:総合博物館 (The Hokkaido University Museum) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 小林 達夫

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