500 citations · 4.4k across the 69 of their papers we have counts for
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hep-ph2019★ 144 cited
Astrophysical limits on very light axion-like particles from Chandra grating spectroscopy of NGC 1275
Christopher S. Reynolds, M. C. David Marsh, Helen R. Russell +4
Axions/axion-like particles (ALPs) are a well motivated extension of the Standard Model and are generic within String Theory. The X-ray transparency of the intracluster medium (ICM…
hep-ph2017★ 147 cited
A New Bound on Axion-Like Particles
M. C. David Marsh, Helen R. Russell, Andrew C. Fabian +3
Axion-like particles (ALPs) and photons can quantum mechanically interconvert when propagating through magnetic fields, and ALP-photon conversion may induce oscillatory features in…