Study of the Time Variation of 10TeV Cosmic Ray

JIA Huan-Yu; WANG Shun-Jin

Chinese Physics C> 2001, Vol. 25> Issue(4) : 277-282

Study of the Time Variation of 10TeV Cosmic Ray

JIA Huan-Yu ^, ,
WANG Shun-Jin

Department of Technology and Physics, Peking University, Beijing 100871, China2 Institute of Modern Physics, Southwest Jiaotong University, Chengdu 610031, China

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Abstract：
With the Yangbajing AS γ array, the time variation of 10TeV cosmic ray was studied. Solar time semi diurnal and diurnal variations have been detected with 10.4σ and 9.6σ levels for the 10TeV cosmic ray flux and semi diurnal variation with an amplitude 0.13% and a phase 0.2 and diurnal variation with 0.075% and 0.12. The sidereal diurnal variation for 10TeV cosmic ray was not found with 0.7σ level. The analysis result in longer period gives some evidence of 7 days variations.

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JIA Huan-Yu and WANG Shun-Jin. Study of the Time Variation of 10TeV Cosmic Ray[J]. Chinese Physics C, 2001, 25(4): 277-282.

JIA Huan-Yu and WANG Shun-Jin. Study of the Time Variation of 10TeV Cosmic Ray[J]. Chinese Physics C, 2001, 25(4): 277-282. shu

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Received: 2000-05-29
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

Study of the Time Variation of 10TeV Cosmic Ray

Corresponding author: JIA Huan-Yu,

Department of Technology and Physics, Peking University, Beijing 100871, China2 Institute of Modern Physics, Southwest Jiaotong University, Chengdu 610031, China

Received Date: 2000-05-29

Accepted Date: 1900-01-01

Available Online: 2001-04-05

Abstract: With the Yangbajing AS γ array, the time variation of 10TeV cosmic ray was studied. Solar time semi diurnal and diurnal variations have been detected with 10.4σ and 9.6σ levels for the 10TeV cosmic ray flux and semi diurnal variation with an amplitude 0.13% and a phase 0.2 and diurnal variation with 0.075% and 0.12. The sidereal diurnal variation for 10TeV cosmic ray was not found with 0.7σ level. The analysis result in longer period gives some evidence of 7 days variations.

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Study of the Time Variation of 10TeV Cosmic Ray

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