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hep-ph2025
Galactic magnetic fields seeded by ultralight dark photons
Joshua Berger, Amit Bhoonah, Joseph Bramante +3
In this work, we show that ultralight dark photons, which couple to the Standard Model photon through kinetic mixing, can potentially source galactic scale magnetic fields. Althoug…
astro-ph.GA2025
Gaussian Process Methods for Very Large Astrometric Data Sets
Timothy Hapitas, Lawrence M. Widrow, Thavisha E. Dharmawardena +1
We present a novel non-parametric method for inferring smooth models of the mean velocity field and velocity dispersion tensor of the Milky Way from astrometric data. Our approach…