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Diffuse emission of TeV neutrinos and gamma-rays from young pulsars by photomeson interaction in the Galaxy
Li Zhixiong1; Lin Guifang2; Na Weiwei3
2013
Source PublicationResearch in Astronomy and Astrophysics
ISSN1674-4527
Volume13Issue:9Pages:1097
AbstractIt is generally believed that young, rapidly rotating pulsars are important sites of particle acceleration, in which protons can be accelerated to relativistic energy above the polar cap region if the magnetic moment is antiparallel to the spin axis (μ · Ω < 0). To obtain diffuse neutrinos and gamma-rays at TeV that originate in our Galaxy, we use the Monte Carlo method to generate a sample of young pulsars with ages less than 10~6 yr in our galaxy; the neutrinos and high-energy gamma-rays can be produced through a photomeson process with the interaction of energetic protons and soft X-ray photons (p + γ → ?~+ → n + π~+/p + π~0) for a single pulsar, and these X-ray photons come from the surface of the neutron star. The results suggest that the flux of diffuse neutrinos at TeV energies is lower than the background flux, indicating they are difficult to detect using current neutrino telescopes.
Language英语
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/39937
Collection中国科学院国家天文台
Affiliation1.云南大学
2.中国科学院国家天文台
3.玉溪师范学院
Recommended Citation
GB/T 7714
Li Zhixiong,Lin Guifang,Na Weiwei. Diffuse emission of TeV neutrinos and gamma-rays from young pulsars by photomeson interaction in the Galaxy[J]. Research in Astronomy and Astrophysics,2013,13(9):1097.
APA Li Zhixiong,Lin Guifang,&Na Weiwei.(2013).Diffuse emission of TeV neutrinos and gamma-rays from young pulsars by photomeson interaction in the Galaxy.Research in Astronomy and Astrophysics,13(9),1097.
MLA Li Zhixiong,et al."Diffuse emission of TeV neutrinos and gamma-rays from young pulsars by photomeson interaction in the Galaxy".Research in Astronomy and Astrophysics 13.9(2013):1097.
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