Chinese Physics C > 2002, Vol. 26 > Issue(2): 108-115

Adjustment of Parameters of Primary Cosmic Ray Energy Spectrum with Recent Direct Measurments

Department of Physics Shandong University, Ji′nan 250100, China1 Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039, China

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Abstract：
With the data of recent measurements of the JACEE, RUNJOB and SOKOL experiments, and under the assumption of rigidity cut-off model, a new primary cosmic-ray energy spectrum and chemical composition in 10 ¹⁴—10 ¹⁶eV energy region are derived. EAS simulations using CORSIKA, combining QGSJET model of high energy hadronic interaction, are performed with this spectrum and another two spectra, HD and PD spectrum, respectively. It is shown that the new spectrum and HD can give very good results, compared with the experimental results obtained with thick Pb emulsion chambers (28 c.u.) at Mt. Kanbala (5500m a.s.l., Tibet, China), while PD spectrum can not.

References

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WANG Yong-Gang, XUE Liang, FENG Cun-Feng, FU Yu, LI Jie, ZHANG Xue-Yao, LI Jin-Yu, ZHANG Nai-Jian, HE Mao, WANG Cheng-Rui, REN Jing-Ru and LU Sui-Ling. Adjustment of Parameters of Primary Cosmic Ray Energy Spectrum with Recent Direct Measurments[J]. Chinese Physics C, 2002, 26(2): 108-115.

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Received: 2001-03-19
Revised: 1900-01-01

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通讯作者:陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Adjustment of Parameters of Primary Cosmic Ray Energy Spectrum with Recent Direct Measurments

Corresponding author:WANG Yong-Gang,

Department of Physics Shandong University, Ji′nan 250100, China1 Institute of High Energy Physics, The Chinese Academy of Sciences, Beijing 100039, China

Received Date:2001-03-19

Accepted Date:1900-01-01

Available Online:2002-02-05

Abstract:With the data of recent measurements of the JACEE, RUNJOB and SOKOL experiments, and under the assumption of rigidity cut-off model, a new primary cosmic-ray energy spectrum and chemical composition in 10¹⁴—10¹⁶eV energy region are derived. EAS simulations using CORSIKA, combining QGSJET model of high energy hadronic interaction, are performed with this spectrum and another two spectra, HD and PD spectrum, respectively. It is shown that the new spectrum and HD can give very good results, compared with the experimental results obtained with thick Pb emulsion chambers (28 c.u.) at Mt. Kanbala (5500m a.s.l., Tibet, China), while PD spectrum can not.

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Adjustment of Parameters of Primary Cosmic Ray Energy Spectrum with Recent Direct Measurments

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