Electroweak-Interacting Spin-1 Dark Matter and Its Phenomenology. Doctoral Thesis accepted by Nagoya University, Nagoya, Japan

Supervisor’s Foreword
Preface
Acknowledgments
Contents
1 Introduction
	References
2 WIMP Dark Matter and Its Thermal History
	2.1 Dark Matter Evidence and WIMP Hypothesis
	2.2 Coannihilation
	References
3 Electroweak-Interacting Spin-1 DM
	3.1 Motivation to Study Spin-1 DM
	3.2 Spin-1 DM Candidate in Extra-Dimensional Theory
		3.2.1 Universal Extra-Dimension
		3.2.2 Minimal Universal Extra-Dimension
		3.2.3 Warped Extra-Dimension
	3.3 Non-abelian Vector DM Model
	3.4 Simplified Model of Spin-1 DM in Extra-Dimensional Theory
		3.4.1 Physical Spectrum
		3.4.2 Couplings of V-Particles
		3.4.3 Parameters and Constraints
	References
4 Non-relativistic Effective Field Theory for Spin-1 DM
	4.1 Sommerfeld Effect
		4.1.1 Philosophy of Effective Field Theory Approach
		4.1.2 Non-relativistic Quantum Electrodynamics
		4.1.3 Effective Interaction of NRQED
		4.1.4 Threshold Singularity of Loop Corrections
	4.2 Formalism
		4.2.1 Derivation of Effective Action
		4.2.2 Two-Body Potential for the Non-abelian Vector DM System
	4.3 Cross Section Formulas
	References
5 Gamma-Ray Signatures and DM Spin Discrimination
	5.1 Gamma-Ray from DM Annihilation
		5.1.1 Indirect Detection Approach
		5.1.2 Monochromatic Gamma-Ray Search
	5.2 Monochromatic Gamma-Ray Search  of Electroweak-Interacting DM
		5.2.1 Line Cross Section
		5.2.2 Constraint from Gamma-Ray Line Signatures
	References
6 Conclusions
Appendix A Derivation of Effective Action
A.1   Real Part of Potential
A.2   Imaginary Part of Potential
A.2.1   Matching Procedure
A.2.2   Derivation of  γγJ
Appendix B Curriculum Vitae