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- Seoul National UniversityKR470 papers
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16 papers · 2 filters
Searching for dark photon dark matter from terrestrial magnetic fields
Kimihiro Nomura, Atsushi Nishizawa, Atsushi Taruya +1
We present a novel search for dark photon dark matter (DM) using terrestrial magnetic field measurements at frequencies below 100 Hz. Coherently oscillating dark photon DM can indu…
Signature of axion dark matter in low-frequency terrestrial electromagnetic fields: formulation and predictions
Atsushi Taruya, Atsushi Nishizawa, Yoshiaki Himemoto
We develop a theoretical framework for axion dark matter (DM) searches using terrestrial electromagnetic (EM) fields, enabling a global and quantitative characterization of the sig…
Beyond the Starobinsky model after ACT
Min Gi Park, Dhong Yeon Cheong, Seong Chan Park
We revisit higher order corrections to the Starobinsky inflationary model using the most recent P-ACT-LB-BK18 data, which exhibits a mild but definite tension with the predictions…
Probing Heavy Dark Matter in Red Giants
Sougata Ganguly, Minxi He, Chang Sub Shin +2
Red giants (RGs) provide a promising astrophysical environment for capturing dark matter (DM) via elastic scattering with stellar nuclei. Captured DM particles migrate toward the h…
Unified Gas Heating Constraints on Extended Dark Matter Compact Objects
TaeHun Kim, Philip Lu, Volodymyr Takhistov
We present the first unified constraints on a broad class of extended dark matter compact objects (EDCOs) from interstellar gas heating. These include axion stars, Q-balls, axion m…
Triple-strangeness hidden-charm pentaquarks
Samson Clymton, Hyun-Chul Kim, Terry Mart
We investigate the possible existence of triple-strangeness hidden-charm pentaquark states in the off-shell coupled-channel formalism. The open-charm meson-baryon , $…