Author: sylvia
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PYTHON package for dark matter scattering in dielectric targets
We present DarkELF, a python package to calculate interaction rates of light dark matter in dielectric materials, including screening effects. The full response of the material is parametrized in the […]
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Dark matter-electron scattering in dielectrics
A number of direct detection experiments are searching for electron excitations created by the scattering of sub-GeV dark matter. We present an alternate formulation of dark matter-electron scattering in terms […]
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Substructure at High Speed. II. The Local Escape Velocity and Milky Way Mass with Gaia eDR3
Measuring the escape velocity of the Milky Way is critical in obtaining the mass of the Milky Way, understanding the dark matter velocity distribution, and building the dark matter density […]
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Substructure at High Speed. I. Inferring the Escape Velocity in the Presence of Kinematic Substructure
The local escape velocity provides valuable inputs to the mass profile of the galaxy, and requires understanding the tail of the stellar speed distribution. Following Leonard & Tremaine, various works […]
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Long-lived Axion-Like Particles from Tau Decays
Axion-like particles (ALPs) are well-motivated examples of light, weakly coupled particles in theories beyond the Standard Model. In this work, we study long-lived ALPs coupled exclusively to leptons in the […]