Matches in SemOpenAlex for { <https://semopenalex.org/work/W1854659059> ?p ?o ?g. }
- W1854659059 abstract "We revisit the cosmology of the supersymmetric QCD axion, highlighting the existence of a serious cosmological axino problem that is fully analogous to the gravitino problem of overclosure via thermal production. A general analysis implies that the QCD axino has a mass greater than or equal to that of the gravitino in the absence of unnatural fine-tuning or sequestering. As a consequence, bounds from thermal gravitino and QCD axino production are complementary in parameter space, and together provide a quite stringent limit on the reheating temperature after inflation given by ${T}_{R}<{10}^{3}ensuremath{-}{10}^{6}text{ }text{ }mathrm{GeV}$ for an axion decay constant of ${f}_{a}={10}^{9}ensuremath{-}{10}^{12}text{ }text{ }mathrm{GeV}$. Motivated by this result, we explore the cosmology of gravitino lightest supersymmetric particle and axino next to lightest supersymmetric particle at low ${T}_{R}$ and present three realistic scenarios for dark matter." @default.
- W1854659059 created "2016-06-24" @default.
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- W1854659059 date "2012-01-18" @default.
- W1854659059 modified "2023-10-16" @default.
- W1854659059 title "Cosmological axino problem" @default.
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- W1854659059 doi "https://doi.org/10.1103/physrevd.85.015008" @default.
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