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hep-ph2023
Neutron star cooling with lepton-flavor-violating axions
Hong-Yi Zhang, Ray Hagimoto, Andrew J. Long
The cores of dense stars are a powerful laboratory for studying feebly coupled particles such as axions. Some of the strongest constraints on axionlike particles and their coupling…
astro-ph.CO2023
Measures of non-Gaussianity in axion-string-induced CMB birefringence
Ray Hagimoto, Andrew J. Long
The presence of axion strings in the Universe after recombination can leave an imprint on the polarization pattern of the cosmic microwave background radiation through the phenomen…