26 citations · 113 across the 10 of their papers we have counts for
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astro-ph.CO2022
Primordial helium-3 redux: The helium isotope ratio of the Orion nebula
Ryan J. Cooke, Pasquier Noterdaeme, James W. Johnson +5
We report the first direct measurement of the helium isotope ratio, 3He/4He, outside of the Local Interstellar Cloud, as part of science verification observations with the upgraded…
astro-ph.CO2020★ 6 cited
A limit on Planck-scale froth with ESPRESSO
Ryan Cooke, Louise Welsh, Michele Fumagalli +1
Some models of quantum gravity predict that the very structure of spacetime is `frothy' due to quantum fluctuations. Although the effect is expected to be tiny, if these spacetime…