High Energy Gamma Rays and Hadrons in Atmospheric Cosmic Rays

CAO Pei-Yuan; WANG Cheng-Rui; HE Mao; ZHANG Nai-Jian; LI Jin-Yu; LI Jie; REN Jing-Ru; LU Sui-Ling

Chinese Physics C> 1992, Vol. 16> Issue(10) : 886-890

High Energy Gamma Rays and Hadrons in Atmospheric Cosmic Rays

Department of High Energy Physics,Shangdong University,Jinan 2501002 Institute of High Energy Physics,Academia Sinica Beijing 100039

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Abstract：
Using a part of China-Japan Pb emulsion chambers (K6 K7,thick 30 c.u.)exposed at Mt.kanbala (5500m,atmospheric depth 520g/cm²),the high energy gamms rays and hadrons are studied.The vertical intensities,energy spectra,zenith angie distributions and attenuation length of gamma rays and hadrons in air are presented.The results are compared with previous data.It is shown that the vertical intensity of gamma rays given by the previous work is lower than the present result and other characteristics are consistent with each other.

References

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任敬儒等，高能物理与核物理，5(1981)，205[2] J. R. Ren, et al., 11 Nuovo cimento, 10c (1987), 43[3] 曹培园等，山东大学学报(自然科学版),23(1988)，31[4] 张乃健等，高能物理与核物理.13(1989)，96[5] M. Akashi et al., 17th 1CRC, 5(1981), 247[6] M. Amennomori et al, 19th ICRC, 6(1985), 280[7] S. G. Bayburina et al., 18th ICRC, S(1983), 420[8] S. D. Cananov et al., 19th ICRC, 6(1985), 216[9] E. H. Shibuya, Rapporteur Talks of 20th ICRC, HE Session, 20th ICRC, 8(1987), 238

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CAO Pei-Yuan, WANG Cheng-Rui, HE Mao, ZHANG Nai-Jian, LI Jin-Yu, LI Jie, REN Jing-Ru and LU Sui-Ling. High Energy Gamma Rays and Hadrons in Atmospheric Cosmic Rays[J]. Chinese Physics C, 1992, 16(10): 886-890.

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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

High Energy Gamma Rays and Hadrons in Atmospheric Cosmic Rays

Corresponding author: CAO Pei-Yuan,

Department of High Energy Physics,Shangdong University,Jinan 2501002 Institute of High Energy Physics,Academia Sinica Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-10-05

Abstract: Using a part of China-Japan Pb emulsion chambers (K6 K7,thick 30 c.u.)exposed at Mt.kanbala (5500m,atmospheric depth 520g/cm²),the high energy gamms rays and hadrons are studied.The vertical intensities,energy spectra,zenith angie distributions and attenuation length of gamma rays and hadrons in air are presented.The results are compared with previous data.It is shown that the vertical intensity of gamma rays given by the previous work is lower than the present result and other characteristics are consistent with each other.