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研究生: 李銘杰
Li, Ming-Jie
論文名稱: 向量暗物質與原子核散射截面之數值研究
Numerical Analysis of the Elastic Scattering Cross Section between Vector Dark Matter and Nucleus
指導教授: 陳傳仁
Chen, Chuan-Ren
學位類別: 碩士
Master
系所名稱: 物理學系
Department of Physics
論文出版年: 2016
畢業學年度: 104
語文別: 中文
論文頁數: 32
中文關鍵詞: 暗物質直接探測等效理論額外維度
英文關鍵詞: Dark Matter, Direct Detection, Effective Theory, Universal Extra Dimension
DOI URL: https://doi.org/10.6345/NTNU202204296
論文種類: 學術論文
相關次數: 點閱:133下載:48
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  • 宇宙學的觀測結果暗示暗物質是存在的,暗物質的本質是粒子物理學和宇宙學一直想要解開的謎題。在眾多的超越標準模型(beyond the standard model)當中,WIMP(Weakly Interaction Massive Particle)是很好的暗物質候補,如果WIMP具有TeV尺度的質量、而且它在早期宇宙就存在到現在,殘留豐度(relic abundance)的理論預測就會和觀測結果一致。在這樣的推論之下, WIMP從一開始就是非相對性的、而且他在宇宙建構的時期是冷暗物質(cold dark matter)。WIMP最主要的候補是MSSM(minimal supersymmetric standard model)中最輕的超中性子(lightest neutralino,它是一種馬約拉納費米子(Majorana fermion)。此外,其他超越標準模型也預測了穩定(不衰變)的向量粒子(vector particles),例如在UED(universal extra dimension)傳播(propagate)的Kaluza-Klein光子(KK photon)以及LHT(littlest higgs model with T-parity)的T-odd heavy photon。本篇論文主要以KK photon為暗物質,探討向量暗物質與原子核的散射截面。

    第一章 簡介 4 第二章 Vector Dark Matter 與原子核散射截面的一般形式 7 第三章 KK Dark Matter 15 第四章 數值結果 20 第五章 結論 25 附錄 26 參考文獻 30

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