Constraint on axionlike particles from the high-energy γ-ray emission of blazars
文献类型：期刊论文
| 作者 | Chen, Y.1; Yang, W. G.1; Yang CY(杨初源)2,3 ; Zheng, Y. G.1
|
| 刊名 | PHYSICAL REVIEW D
 |
| 出版日期 | 2025-06-10 |
| 卷号 | 111期号:12 |
| ISSN号 | 2470-0010 |
| DOI | 10.1103/3jfl-ynjy |
| 产权排序 | 第2完成单位 |
| 文献子类 | Article |
| 英文摘要 | Axionlike particles (ALPS), hypothetical light particles beyond the Standard Model, are expected to mix with photons in the presence of magnetic fields. This mixing can alter the propagation of high-energy gamma rays across cosmological distances. In this study, we investigate this effect by performing spectral fits to observations of multiple blazars, incorporating the photon-ALP oscillation mechanism. We use Monte Carlo simulations to fit the observed spectra under both the ALP and null hypotheses, evaluating model performance through chi-squared statistics. When the ALP mass lies in the range of 4.4 x 10-10 eV <= ma <= 1.3 x 10-8 eV, the ALP-photon coupling constant, ga gamma, is constrained to be below approximately 3.6 x 10-11 GeV-1. This parameter region is particularly favored in the scan of the ALP parameter space. We find that ALP effects are more pronounced during flaring states and in environments with stronger magnetic fields, resulting in improved spectral fits and tighter constraints on ma and ga gamma. Moreover, the normalized chi-squared difference between the ALP and null hypotheses increases with redshift, indicating that photon-ALP mixing becomes more significant over longer propagation distances. These results support the presence of photon-ALP conversion in high-energy astrophysical environments and suggest that ALPS may offer a more effective explanation for certain features in gamma-ray spectra, especially at high redshifts. Our findings provide new insights that may guide future observational and theoretical studies of ALP physics. |
| 学科主题 | 天文学 ; 天体物理学 ; 高能天体物理学 ; 星系与宇宙学 |
| URL标识 | 查看原文 |
| 出版地 | ONE PHYSICS ELLIPSE, COLLEGE PK, MD 20740-3844 USA |
| WOS关键词 | CP CONSERVATION ; PKS 1510-089 ; SPECTRA ; PHOTON ; FLARE |
| 资助项目 | National Natural Science Foundation of China[12363002] |
| WOS研究方向 | Astronomy & Astrophysics ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:001513530000004 |
| 出版者 | AMER PHYSICAL SOC |
| 资助机构 | National Natural Science Foundation of China[12363002] |
| 版本 | 出版稿 |
| 源URL | [http://ir.ynao.ac.cn/handle/114a53/28380]  |
| 专题 | 星系类星体研究组 |
| 通讯作者 | Zheng, Y. G. |
| 作者单位 | 1.Department of Physics,; 2.Yunnan Observatories; 3.Key Laboratory of Astroparticle Physics of Yunnan Province, Kunming 650091, China |
| 推荐引用方式 GB/T 7714 | Chen, Y.,Yang, W. G.,Yang CY,et al. Constraint on axionlike particles from the high-energy γ-ray emission of blazars[J]. PHYSICAL REVIEW D,2025,111(12). |
| APA | Chen, Y.,Yang, W. G.,杨初源,&Zheng, Y. G..(2025).Constraint on axionlike particles from the high-energy γ-ray emission of blazars.PHYSICAL REVIEW D,111(12). |
| MLA | Chen, Y.,et al."Constraint on axionlike particles from the high-energy γ-ray emission of blazars".PHYSICAL REVIEW D 111.12(2025). |
入库方式： OAI收割
来源：云南天文台
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。