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High-Energy Nuclear Recoils from Boosted Dark Matter for the LZ 248-keV Event: Beyond the Halo-Dependent High-Velocity Tail
Haider Alhazmi, Doojin Kim, Kyoungchul Kong +2
The LUX-ZEPLIN (LZ) Collaboration has reported a nuclear-recoil candidate at keV, with a maximum local significance of and a global…
Direct Detection of Fast-Moving Low-Mass Dark Matter
Haider Alhazmi, Doojin Kim, Kyoungchul Kong +3
We examine the signals produced by dark matter interactions with electrons, which play a crucial role in direct detection experiments employing heavy target materials, particularly…
Astrophysical and Cosmological Probes of Boosted Dark Matter
Jeong Han Kim, Kyoungchul Kong, Se Hwan Lim +1
We present an in-depth study of two-component cold dark matter via extensive N-body simulations. We examine various cosmological observables including the temperature evolution, po…
Warm Surprises from Cold Duets: N-Body Simulations with Two-Component Dark Matter
Jeong Han Kim, Kyoungchul Kong, Se Hwan Lim +1
We explore extensive N-body simulations with two-component cold dark matter candidates. We delve into the temperature evolution, power spectrum, density perturbation, and maximum c…