HIGHLIGHTS
- who: Oleg Lebedev and collaborators from the Department, Helsinki, Finland State University have published the research work: Inflaton freeze-out, in the Journal: (JOURNAL) of 29/08/2022
- what: The authors focus on the range of u03bbu03d5h values leading to efficient inflaton-Higgs scattering and eventual thermalization of the inflaton-Higgs system. As the authors show later, this sets the lower bound u03bbu03d5h u2273 10-8 -10-7: While the inflaton may be lighter or heavier than the Higgs, the authors require mu03d5 > 2ms; such that perturbative decay u03d5 u2192 ss is allowed.
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