Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level

FAN Xiao-Ling; SU Shi; WANG Yi

Chinese Physics C> 1991, Vol. 15> Issue(2) : 103-110

Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level

Institute of High Energy Physics,Academia Sinica,Beijing 1000391 Department of Physics,Zhengzhou University,450052

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Abstract：
215 blocks of K6,K7,K8 lead emulsion chambers on Mt.Kanbala are carefully scanned,and a total of 111 muon events are found with zenith angle M(=tgθ)>2.5.The energy of muon showers are determined by saddle-shape curves.The intensity of muon,the energy spectrum and the zenith angle distribution of muon showers on the altitude of 5500m above sea level are shown in the energy region E_μ>2TeV.Meanwhile the simulation calculation is done for the behaviour of muon inside the emulsion chamber,simulation results are basically in agreement with the experiment.

References

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S. Matsuno et al.t Physical Review, D29 No. 1(1984), I.[2] 任敬儒等，高能物理与核物理，5(1981)，205,[3] K. Kasahara, Phys. Rev., D31(1985), 2737.[4] C. S, Zhang et al., Nucl. Instr, Meth., A283(1989), 78.[5] Ohta I. et al., Nucl. Instr. Meth., A161(1979)," 35.[6] 任敬儒等，山东大学学报(自然科学版)，3(1982)，76.[7] Vernon W. Hughes, C. S. Wu, Muon;Physics, Vol, 1, p323.[8] O. C.阿尔科费尔，宇宙线人门，p. 150，朱清棋译.[9] E. J, Fenyes et al;, Proc. 17th ICRC, France, 10(317), 1981.[10] Honda K. et al., Proc. 16th ICRC,' Kyoto, 10(59), 1979.

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FAN Xiao-Ling, SU Shi and WANG Yi. Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level[J]. Chinese Physics C, 1991, 15(2): 103-110.

FAN Xiao-Ling, SU Shi and WANG Yi. Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level[J]. Chinese Physics C, 1991, 15(2): 103-110. shu

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Received: 1900-01-01
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

Cosmic Ray Muon on the Altitude of 5500m Above the Sea Level

Corresponding author: FAN Xiao-Ling,

Institute of High Energy Physics,Academia Sinica,Beijing 1000391 Department of Physics,Zhengzhou University,450052

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1991-02-05

Abstract: 215 blocks of K6,K7,K8 lead emulsion chambers on Mt.Kanbala are carefully scanned,and a total of 111 muon events are found with zenith angle M(=tgθ)>2.5.The energy of muon showers are determined by saddle-shape curves.The intensity of muon,the energy spectrum and the zenith angle distribution of muon showers on the altitude of 5500m above sea level are shown in the energy region E_μ>2TeV.Meanwhile the simulation calculation is done for the behaviour of muon inside the emulsion chamber,simulation results are basically in agreement with the experiment.