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研究生：	陳柏均 Chen, Po Chun
論文名稱：	國際直線對撞機對底夸克湯川耦合相對符號的確定 Determining the relative sign of bottom Yukawa coupling at the ILC
指導教授：	張嘉泓 Chua Hung, Chang
口試委員：	阮自強 Tzu, Chiang Yuan 陳傳仁 Chen, Chuan Ren 張嘉泓 Chang, Chia Hung
口試日期：	2023/06/28
學位類別：	碩士 Master
系所名稱：	物理學系 Department of Physics
論文出版年：	2023
畢業學年度：	111
語文別：	英文
論文頁數：	27
英文關鍵詞：	Bottom Yukawa Coupling, Two Higgs Doublet Model, International Linear Collider
研究方法:	現象學
DOI URL：	http://doi.org/10.6345/NTNU202300890
論文種類：	學術論文
相關次數：	點閱：78 下載：7
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In this thesis, we study the phenomenology of the future ILC collider which is
the determination of the relative sign of bottom Yukawa coupling. Compare to the
Standard Model (SM), an extended Higgs boson in Two Higgs Doublet Model(2HDM) can have "wrong-sign" bottom Yukawa coupling due to the mixing angle of two Higgs boson. Moreover, the future ILC can detect bottom jets directly. In our work, we use Madgraph to simulate e^+e^- collision with √250 GeV in the hardron level, as well as do the numerical analysis. We finally found that 2634 fb^-1 of luminosity is needed to distinguish the relative sign of bottom Yukawa coupling in the 3σ confidence level.

  Introduction 1
  Review of the Standard Model 2
1    Elementary particles in the Standard Model 2
2    The SM Lagrangian 3
3    Higgs Mechanism 7
  Two-Higgs Doublet Model 8
1    The particle contents 8
2    Gauge boson mass generation 9
3    Fermion mass generation 11
4    The Wrong Sign Yukawa Coupling in 2HDM 13
  Kinematics at Hadron Colliders and Methodology 14
1    Numerical Methodology 14
2    Kinematics at Hadron Colliders 17
  Numerical Results and Discussion 20
  Summary 26
                                

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