170 citations · 280 across the 8 of their papers we have counts for
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hep-ph2019★ 170 cited
Refined Bounds on MeV-scale Thermal Dark Sectors from BBN and the CMB
Nashwan Sabti, James Alvey, Miguel Escudero +2
New light states thermally coupled to the Standard Model plasma alter the expansion history of the Universe and impact the synthesis of the primordial light elements. In this work,…
astro-ph.CO2019
Improved BBN Constraints on the Variation of the Gravitational Constant
James Alvey, Nashwan Sabti, Miguel Escudero +1
Big Bang Nucleosynthesis (BBN) is very sensitive to the cosmological expansion rate. If the gravitational constant took a different value during the nucleosynthesis epoch than…