Matches in SemOpenAlex for { <https://semopenalex.org/work/W3155760627> ?p ?o ?g. }
- W3155760627 endingPage "031" @default.
- W3155760627 startingPage "031" @default.
- W3155760627 abstract "We revise cosmological mass bounds on hadronic axions in low-reheating cosmological scenarios, with a reheating temperature $T_{rm RH}~le 100$ MeV, in light of the latest cosmological observations. In this situation, the neutrino decoupling would be unaffected, while the thermal axion relic abundance is suppressed. Moreover, axions are colder in low-reheating temperature scenarios, so that bounds on their abundance are possibly loosened. As a consequence of these two facts, cosmological mass limits on axions are relaxed. Using state-of-the-art cosmological data and characterizing axion-pion interactions at the leading order in chiral perturbation theory, we find in the standard case an axion mass bound $m_a < 0.26$ eV. However, axions with masses $m_a simeq 1$ eV, or heavier, would be allowed for reheating temperatures $T_{rm RH} lesssim 80$ MeV. Multi-eV axions would be outside the mass sensitivity of current and planned solar axion helioscopes and would demand new experimental approaches to be detected." @default.
- W3155760627 created "2021-04-26" @default.
- W3155760627 creator A5008308885 @default.
- W3155760627 creator A5020407304 @default.
- W3155760627 creator A5036717342 @default.
- W3155760627 creator A5089629298 @default.
- W3155760627 date "2021-07-01" @default.
- W3155760627 modified "2023-09-25" @default.
- W3155760627 title "Thermal axions with multi-eV masses are possible in low-reheating scenarios" @default.
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