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astro-ph.CO2025
Beyond Standard Model equation of state and primordial black holes
Xavier Pritchard, Matthew Starbuck, Wingfung Leung
The Standard Model of particle physics successfully describes all known fundamental particles and their interactions; however, it leaves several unanswered questions. Theories beyo…
astro-ph.CO2025★ 8 cited
Robust μ-distortion constraints on primordial supermassive black holes from cubic (gNL) non-Gaussian perturbations
Xavier Pritchard, Christian T. Byrnes, Julien Lesgourgues +1
We make the first calculation of the spectral distortion constraints on the primordial curvature power spectrum in the limit of large cubic non-Gaussianity. This calculation involv…