Constraints on axionlike particles from observations of Mrk 421 using the CLs method

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成果类型：

期刊论文

作者：

Gao, Lin-Qing;Bi, Xiao-Jun;Guo, Jun-Guang;Lin, Wenbin;Yin, Peng-Fei

通讯作者：

Gao, LQ

作者机构：

[Gao, LQ; Gao, Lin-Qing] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Bi, Xiao-Jun; Yin, Peng-Fei] Chinese Acad Sci, Inst High Energy Phys, Key Lab Particle Astrophys, Beijing 100049, Peoples R China.

[Bi, Xiao-Jun] Univ Chinese Acad Sci, Sch Phys Sci, Beijing, Peoples R China.

[Guo, Jun-Guang] Jiaying Univ, Sch Phys & Elect Engn, Meizhou 514015, Peoples R China.

[Lin, Wenbin] Univ South China, Sch Math & Phys, Hengyang 421001, Peoples R China.

通讯机构：

[Gao, LQ ] U

Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

语种：

英文

期刊：

PHYSICAL REVIEW D

ISSN：

2470-0010

年：

2024

卷：

109

期：

页码：

063003

DOI：

10.1103/PhysRevD.109.063003

基金类别：

National Natural Science Foundation of China [11973025, 12175248]

机构署名：

本校为第一机构

院系归属：

核科学技术学院

数理学院

摘要：

Axionlike particles (ALPs) may undergo mixing with photons in the presence of astrophysical magnetic fields, leading to alterations in the observed high energy gamma-ray spectra. In this study, we investigate the ALP -photon oscillation effect using the spectra of the blazar Mrk 421 over 15 observation periods measured by Major Atmospheric Gamma Imaging Cherenkov Telescopes (MAGIC) and Fermi Large Area Telescope (Fermi-LAT). Compared with previous studies, we generate mock data under the ALP hypothesis and employ the CLs method to set constraints on the ALP parameters. This method is widely ut...

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Constraints on axionlike particles from observations of Mrk 421 using the CLs method

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