3 papers
nucl-th2026
Deuterium-Proton Fusion in an Effective Field Theory Constructed from On-Shell Amplitudes
Tim M. P. Tait
Big Bang nucleosynthesis (BBN) predicts the primordial deuterium abundance to a precision now limited by the nuclear reactions that burn deuterium. For the simplest of them, proton…
hep-ph2026
The X17 with Chiral Couplings
Max H. Fieg, Toni Mäkelä, Tim M. P. Tait +1
In recent years, the ATOMKI collaboration has performed a series of measurements of excited nuclei, observing a resonant excess of electron-positron pairs at large opening angles c…
astro-ph.CO2025
Primordial Black Holes Place the Universe in Stasis
Keith R. Dienes, Lucien Heurtier, Fei Huang +3
A variety of scenarios for early-universe cosmology give rise to a population of primordial black holes (PBHs) with a broad spectrum of masses. The evaporation of PBHs in such scen…