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Kenji Kadota
순수물리이론 연구단
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Cosmological relaxation from dark fermion production

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Title
Cosmological relaxation from dark fermion production
Author(s)
Kenji Kadota; Ui Min; Minho Son; Fang Ye
Publication Date
2020-02
Journal
JOURNAL OF HIGH ENERGY PHYSICS, v.2, no., pp.135 -
Publisher
SPRINGER
Abstract
© 2020, The Author(s).We consider the cosmological relaxation solution to the electroweak hierarchy problem using the fermion production as a dominant friction force. In our approach, neither super-Planckian field excursions nor a large number of e-folds arise, and scanning over thermal Higgs mass squared is avoided. The produced fermions from the relaxion source through the derivative coupling are SM-singlets, what we call dark fermions, and they can serve as the keV scale warm dark matter candidates
URI
https://pr.ibs.re.kr/handle/8788114/7180
ISSN
1029-8479
Appears in Collections:
Center for Fundamental Theory(순수물리이론 연구단) > Journal Papers (저널논문)
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