Electroweak-interacting spin-1 dark matter and its phenomenology / Motoko Fujiwara.

Format:

Book

Author/Creator:

Fujiwara, Motoko, author.

Series:

Springer Theses, Recognizing Outstanding Ph.D. Research, 2190-5061

Language:

English

Subjects (All):

Dark matter (Astronomy).

Nuclear spin.

Particles (Nuclear physics).

Physical Description:

1 online resource (104 pages)

Edition:

1st ed. 2023.

Place of Publication:

Singapore : Springer Nature Singapore Pte Ltd., [2023]

Summary:

This book offers construction of a renormalizable effective theory of electroweak-interacting spin-1 dark matter (DM). The effective theory realizes minimal but essential features of DM predicted in extra-dimension models, and enables to systematically treat non-perturbative corrections such as the Sommerfeld effects. Deriving an annihilation cross section including the Sommerfeld effects based on the effective theory, the author discusses the future sensitivity of observations to gamma-ray from the Galactic Center. As a result, the author explains the monochromatic gamma-ray signatures originate from two photons (γγ) or photon and Z boson (γZ) produced in the process of DM annihilations, and concludes a possible scenario that unstable neutral spin-1 particles (Z’) appear and results in a spectral peak in addition to the one caused by γγ and γZ channels in gamma-ray observations. If those two spectral peaks are observed, the masses of spin-1 DM and Z’ would be reconstructed.

Contents:

Introduction

WIMP Dark Matter and Its Thermal History

Electroweakly Interacting Spin-1 Dark Matter

Non-Relativistic Effective Field Theory For Spin-1 Dark Matter

Thermal Relic Evaluation

Gamma-ray Signatures and Dark Matter Spin Discrimination

Conclusions

Appendix.

Notes:

Description based on print version record.

Includes bibliographical references.

Other Format:

Print version: Fujiwara, Motoko Electroweak-Interacting Spin-1 Dark Matter and Its Phenomenology

ISBN:

9789819910359

OCLC:

1378934893