Thermal transport of the solar captured dark matter and its impact on the indirect dark matter search
學年 105
學期 1
出版（發表）日期 2016-12-01
作品名稱 Thermal transport of the solar captured dark matter and its impact on the indirect dark matter search
作品名稱（其他語言）
著者 Chian-Shu Chen; Guey-lin Lin; Yen-Hsun Lin
單位
出版者
著錄名稱、卷期、頁數 Physics of the Dark Universe 14, p.35-39
摘要 We study the thermal transport occurring in the system of solar captured dark matter (DM) and explore its impact on the DM indirect search signal. We particularly focus on the scenario of self-interacting DM (SIDM). The flows of energies in and out of the system are caused by solar captures via DM–nucleon and DM–DM scatterings, the energy dissipation via DM annihilation, and the heat exchange between DM and solar nuclei. We examine the DM temperature evolution and demonstrate that the DM temperature can be higher than the core temperature of the Sun if the DM–nucleon cross section is sufficiently small such that the energy flow due to DM self-interaction becomes relatively important. We argue that the correct DM temperature should be used for accurately predicting the DM annihilation rate, which is relevant to the DM indirect detection.
關鍵字
語言 en
ISSN
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度 否
國別 GBR
公開徵稿
出版型式 ,電子版
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