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Author  |
Barbieri, N.; Brinckmann, T.; Gariazzo, S.; Lattanzi, M.; Pastor, S.; Pisanti, O. |
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Title |
Current Constraints on Cosmological Scenarios with Very Low Reheating Temperatures |
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Journal Article |
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Year |
2025 |
Publication |
Physical Review Letters |
Abbreviated Journal |
Phys. Rev. Lett. |
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Volume |
135 |
Issue |
18 |
Pages |
181003 - 8pp |
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Abstract |
We present a comprehensive analysis of the effects of models with very low reheating scenarios [T-RH similar to O(MeV)] on the cosmological observables and derive corresponding bounds on the reheating temperature. With respect to previous work, our Letter includes a more precise computation of neutrino distribution functions, leveraging the latest datasets from cosmological surveys. We perform a joint analysis that combines constraints from big bang nucleosynthesis, the cosmic microwave background, and galaxy surveys, alongside separate investigations of these datasets, carefully assessing the impact of different choices of priors. At the 95% confidence level, we establish a lower bound on the reheating temperature of T-RH > 5.96 MeV, representing the most stringent constraint to date. |
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Address |
[Barbieri, Nicola; Brinckmann, Thejs] Univ Ferrara, Dipartimento Fis & Sci Terra, Via G Saragat 1, I-44122 Ferrara, Italy |
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Publisher |
Amer Physical Soc |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
0031-9007 |
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Notes |
WOS:001616079900011 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6944 |
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