Hadronuclear interactions in the jet of low TeV luminosity AGN: Implications for the low-state very-high-energy gamma-ray emission

被引:12
作者
Xue, Rui [1 ]
Wang, Ze-Rui [2 ]
Li, Wei-Jian [1 ]
机构
[1] Zhejiang Normal Univ, Dept Phys, Jinhua 321004, Zhejiang, Peoples R China
[2] Qilu Normal Univ, Coll Phys & Elect Engn, Jinan 250200, Peoples R China
基金
中国国家自然科学基金;
关键词
BL-LAC OBJECTS; SUPERMASSIVE BLACK-HOLE; GALAXY; 3C; 264; X-RAY; MULTIWAVELENGTH OBSERVATIONS; PHYSICAL-PROPERTIES; RELATIVISTIC JETS; COSMIC-RAYS; MRK; 421; TELESCOPE OBSERVATIONS;
D O I
10.1103/PhysRevD.106.103021
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In the study of radiation mechanisms of active galactic nuclei (AGN) jets, hadronuclear (pp) interactions are commonly neglected, because the number density of cold protons in the jet is considered insufficient. Very recently, our previous work proves that pp interactions in the low TeV luminosity AGN, which have the potential to generate detectable very-high-energy (VHE) emission, could be important. Based on this, the one-zone pp model is employed to study low-state quasi-simultaneous spectral energy distributions of a sample of low TeV luminosity AGN in this work. Our modeling results show that the gamma ray generated in pp interactions can explain the observed TeV spectra and contribution to the higher-energy band that could be detected by the Large High Altitude Air Shower Observatory (LHAASO). In the sample, we suggest that M 87, Mrk 421, and Mrk 501 are the most likely objects to be detected by LHAASO in the near future. Other possible origins of VHE emission are also briefly discussed.
引用
收藏
页数:18
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