Search for 10TeV γ-Ray Emission from Supernova Remnants and Active Galactic Nuclei

Zhang Jilong; Ding Linkai; Mu Jun; Wang Hui; Lu Hong; Liu Shaomin; Feng Zhenyong; Ren Jingru; Yu Guangce; Xu Xianwu; Zhou Wende

Chinese Physics C> 1999, Vol. 23> Issue(1) : 22-34

Search for 10TeV γ-Ray Emission from Supernova Remnants and Active Galactic Nuclei

Laboratory of Cosmic Rays and High Energy Astrophysics, Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 1000392 Institute for Cosmic Ray Research, Tibet University, Lhasa 8500003 Department of Physics, South West Jiaotong University, Chengdu 6100314 Department of Physics. Yunnan University, Kunming 650091

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Abstract：
A search for 10Tev γ-ray continuous emission from 58 Supernova Remnants which include Crab Nebula and 25 Active Galactic Nuclei which include Mrk421 and Mrk501 with the data of Tibet I air shower array from 1990 June to 1993 October is executed by the method of equi-zenith angle to estimate the bacdground events. The significance of DC excess is calculated according to the Li and Ma prescription. No significant DC excess is observed from these candidates. The integral distribution of significances is checked by the Kolmogorov-Smirnov test which examines the divergence from a standard normal distribution. No significant deviation is found. Flux upper limit is obtained for each source at 95% C.L.

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Zhang Jilong, Ding Linkai, Mu Jun, Wang Hui, Lu Hong, Liu Shaomin, Feng Zhenyong, Ren Jingru, Yu Guangce, Xu Xianwu, Zhou Wende, Search for 10TeV γ-Ray Emission from Supernova Remnants and Active Galactic Nuclei[J]. Chinese Physics C, 1999, 23(1): 22-34.

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Received: 1998-03-02
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

Search for 10TeV γ-Ray Emission from Supernova Remnants and Active Galactic Nuclei

Corresponding author: Zhang Jilong,

Laboratory of Cosmic Rays and High Energy Astrophysics, Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 1000392 Institute for Cosmic Ray Research, Tibet University, Lhasa 8500003 Department of Physics, South West Jiaotong University, Chengdu 6100314 Department of Physics. Yunnan University, Kunming 650091

Received Date: 1998-03-02
Accepted Date: 1900-01-01
Available Online: 1999-01-05

Abstract: A search for 10Tev γ-ray continuous emission from 58 Supernova Remnants which include Crab Nebula and 25 Active Galactic Nuclei which include Mrk421 and Mrk501 with the data of Tibet I air shower array from 1990 June to 1993 October is executed by the method of equi-zenith angle to estimate the bacdground events. The significance of DC excess is calculated according to the Li and Ma prescription. No significant DC excess is observed from these candidates. The integral distribution of significances is checked by the Kolmogorov-Smirnov test which examines the divergence from a standard normal distribution. No significant deviation is found. Flux upper limit is obtained for each source at 95% C.L.