Matches in SemOpenAlex for { <https://semopenalex.org/work/W3105321710> ?p ?o ?g. }
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- W3105321710 abstract "We review the main proposals of particle physics for the composition of the cold dark matter in the universe. Strong axion contribution to cold dark matter is not favored if the Peccei-Quinn field emerges with non-zero value at the end of inflation and the inflationary scale is superheavy since, under these circumstances, it leads to unacceptably large isocurvature perturbations. The lightest neutralino is the most popular candidate constituent of cold dark matter. Its relic abundance in the constrained minimal supersymmetric standard model can be reduced to acceptable values by pole annihilation of neutralinos or neutralino-stau coannihilation. Axinos can also contribute to cold dark matter provided that the reheat temperature is adequately low. Gravitinos can constitute the cold dark matter only in limited regions of the parameter space. We present a supersymmetric grand unified model leading to violation of Yukawa unification and, thus, allowing an acceptable b-quark mass within the constrained minimal supersymmetric standard model with mu>0. The model possesses a wide range of parameters consistent with the data on the cold dark matter abundance as well as other phenomenological constraints. Also, it leads to a new version of shifted hybrid inflation." @default.
- W3105321710 created "2020-11-23" @default.
- W3105321710 creator A5071860554 @default.
- W3105321710 date "2007-01-01" @default.
- W3105321710 modified "2023-10-16" @default.
- W3105321710 title "Particle Physics Approach to Dark Matter" @default.
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