【04.22】Seminar：Exploring Mechanisms for Accelerating Dark Matter in Direct and Indirect Detection
Seminar
報告題目：Exploring Mechanisms for Accelerating Dark Matter in Direct and Indirect Detection??
報告人：Chih-Ting Lu（盧致廷），副教授，南京師范大學
主持人：畢效軍，研究員，中國科學院高能物理研究所
報告時間：2025年4月22日（周二），上午10:00
報告地點：高能所圖書館樓319
報告摘要：
Current dark matter direct and indirect detection experiments primarily focus on scattering and annihilation processes in the non-relativistic velocity regime. Although traditional detection strategies have mapped out portions of the dark matter parameter space, significant blind spots persist. These gaps exist particularly in key regions such as sub-GeV light dark matter, inelastic dark matter models, and scenarios characterized by p-wave, forbidden, or resonant dark matter annihilation processes. Such gaps arise primarily due to the limitations imposed by detector energy thresholds and the strong suppression effects of velocity-dependent annihilation cross sections. Our studies demonstrate that novel acceleration mechanisms, such as those induced by accretion-enhanced effect and high-energy cosmic ray collisions with dark matter, can effectively boost the relative velocity of dark matter particles and thereby overcome the sensitivity limits of current experiments. In this presentation, we first provide an overview of some important dark matter acceleration mechanisms, then highlight the results of our recent works in this area, and finally discuss future directions for research on accelerated dark matter.
個人簡介：
Chih-Ting Lu is an Associate Professor at Nanjing Normal University. He received his Ph.D. from Tsing Hua University (Hsinchu, Taiwan) in 2015, and he subsequently pursued postdoctoral research at the Center for Theoretical Sciences in Taiwan and the Korea Institute for Advanced Study in Korea. He joined Nanjing Normal University in 2022 as an Associate Professor. His primary research interests include dark matter physics, Higgs physics, and collider phenomenology.
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