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Gravitino thermal production revisited

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arxiv 2010.14621 v2 pith:7YU7KLTE submitted 2020-10-27 hep-ph astro-ph.COhep-th

Helmut Eberl , Ioannis D. Gialamas , Vassilis C. Spanos This is my paper · ORCID
classification hep-phastro-ph.COhep-th
keywords gravitinoproductionthermalrateresultself-energyabundanceaccount
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We calculate the gravitino production rate, computing its one-loop thermal self-energy. Gravitino production processes that do not result through thermal cuts of its self-energy, have been identified and taken into account. Correcting analytical errors and numerical approximations in the previous calculations, we present our result. This deviates from the latest estimation by almost 10%. More importantly, we provide a convenient formula, for calculating the gravitino production rate and its thermal abundance, as a function of the reheating temperature of the Universe.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. ALP Production from Abelian Gauge Bosons: Beyond Hard Thermal Loops

    hep-ph 2025-02 conditional novelty 6.0 of 10

    ALP production from a hot Abelian plasma is computed with full 1PI-resummed propagators, giving positive rates at all momenta and revealing dominant timelike-timelike photon contributions at very soft ALP momenta.

  2. Induced-Gravity Palatini-Like Higgs Inflation in Supergravity Confronts ACT DR6

    hep-ph 2026-02 unverdicted novelty 5.0 of 10

    A Palatini-supergravity Higgs-inflation model with induced gravity predicts a scalar spectral index ns≈0.972-0.974, consistent with ACT DR6, and favors split supersymmetry with gravitino mass 40-60 PeV.

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