On the evolution process of two-component dark matter in the Sun
學年 106
學期 2
出版(發表)日期 2018-04-13
作品名稱 On the evolution process of two-component dark matter in the Sun
作品名稱(其他語言)
著者 Chian-Shu Chen; Yen-Hsun Lin
單位
出版者
著錄名稱、卷期、頁數 Journal of High Energy Physics, 74
摘要 We introduce dark matter (DM) evolution process in the Sun under a two- component DM (2DM) scenario. Both DM species χ and ξ with masses heavier than 1 GeV are considered. In this picture, both species could be captured by the Sun through DM-nucleus scattering and DM self-scatterings, e.g. χχ and ξξ collisions. In addition, the heterogeneous self-scattering due to χ and ξ collision is essentially possible in any 2DM models. This new introduced scattering naturally weaves the evolution processes of the two DM species that was assumed to evolve independently. Moreover, the heterogeneous self-scattering enhances the number of DM being captured in the Sun mutually. This effect significantly exists in a broad range of DM mass spectrum. We have studied this phenomena and its implication for the solar-captured DM annihilation rate. It would be crucial to the DM indirect detection when the two masses are close. General formalism of the 2DM evolution in the Sun as well as its kinematics are studied.
關鍵字 Beyond Standard Model;Cosmology of Theories beyond the SM
語言 en
ISSN 1029-8479
期刊性質 國外
收錄於 SCI
產學合作
通訊作者
審稿制度
國別 DEU
公開徵稿
出版型式 ,電子版
相關連結

機構典藏連結 ( http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/113115 )