Correlation Between Sun Shadows of 10 TeV Cosmic Ray and the Solar Activity

Liu Shaomin; Ding Linkai; Shi Ce; Zhaxiciren; Zhaxisanzhu; Mu Jun; Wnag Hui; Lu Hong; Feng Zhenyong; Ren Jingru; Yu Guangce; Zhou Wende; Labaciren; Meng Xianru; Meng Lie; Zhang Jilong; Zhang Chunsheng; Zhang Huimin; Shi Zhizheng; Jia Huanyiu; Mei Dongming; Huang Qing; Tan Youheng; Huo Anxiang; Dai Benzhong

Chinese Physics C> 1997, Vol. 21> Issue(S4) : 11-18

Correlation Between Sun Shadows of 10 TeV Cosmic Ray and the Solar Activity

Liu Shaomin ¹ ,
Ding Linkai ¹ ,
Shi Ce ¹ ,
Zhaxiciren ² ,
Zhaxisanzhu ² ,
Mu Jun ⁴ ,
Wnag Hui ¹ ,
Lu Hong ¹ ,
Feng Zhenyong ³ ,
Ren Jingru ¹ ,
Yu Guangce ³ ,
Zhou Wende ⁴ ,
Labaciren ² ,
Meng Xianru ² ,
Meng Lie ¹ ,
Zhang Jilong ¹ ,
Zhang Chunsheng ¹ ,
Zhang Huimin ¹ ,
Shi Zhizheng ¹ ,
Jia Huanyiu ³ ,
Mei Dongming ² ,
Huang Qing ³ ,
Tan Youheng ¹ ,
Huo Anxiang ¹ ,
Dai Benzhong ⁴

1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China;
2. Cosmic Ray Institute, Tibet University, Lhasa, China;
3. Department of Physics, South West Jiaotong University, Chengdu, China;
4. Department of Physics, Yunnan University, Kunming, China

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Using data obtained in the period of June 1990-October 1993, the shadows of the Sun and the Moon have been detected at 5.7σ and 7.1σ levels, respectively, in the lOTeY cosmic ray flux by the Tibet air shower array at an altitude of 4300 m above sea 夏evel. The shadow of the Sun is found to be deflected away from the Sun by 0.62° to the west and 0.22° to the south by the interplanetary magnetic field. The correlation between the shadow of the Sun and the solar activity and its asymmetry are studied in detail. A new qualitative explanation to the shift and yearly variation of the Sun，s shadow is presented.
- cosmic rays ,
- interplanetary magnetic field (IMF) ,
- solar activity

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Liu Shaomin, Ding Linkai, Shi Ce, Zhaxiciren, Zhaxisanzhu, Mu Jun, Wnag Hui, Lu Hong, Feng Zhenyong, Ren Jingru, Yu Guangce, Zhou Wende, Labaciren, Meng Xianru, Meng Lie, Zhang Jilong, Zhang Chunsheng, Zhang Huimin, Shi Zhizheng, Jia Huanyiu, Mei Dongming, Huang Qing, Tan Youheng, Huo Anxiang and Dai Benzhong. Correlation Between Sun Shadows of 10 TeV Cosmic Ray and the Solar Activity[J]. Chinese Physics C, 1997, 21(S4): 11-18.

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Received: 1997-01-13

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Supported by the National Natural Science Foundation of China and the Chinese Academy of Sciences.

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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

Correlation Between Sun Shadows of 10 TeV Cosmic Ray and the Solar Activity

1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China;

2. Cosmic Ray Institute, Tibet University, Lhasa, China;

3. Department of Physics, South West Jiaotong University, Chengdu, China;

4. Department of Physics, Yunnan University, Kunming, China

Received Date: 1997-01-13

Fund Project: Supported by the National Natural Science Foundation of China and the Chinese Academy of Sciences.

Abstract: Using data obtained in the period of June 1990-October 1993, the shadows of the Sun and the Moon have been detected at 5.7σ and 7.1σ levels, respectively, in the lOTeY cosmic ray flux by the Tibet air shower array at an altitude of 4300 m above sea 夏evel. The shadow of the Sun is found to be deflected away from the Sun by 0.62° to the west and 0.22° to the south by the interplanetary magnetic field. The correlation between the shadow of the Sun and the solar activity and its asymmetry are studied in detail. A new qualitative explanation to the shift and yearly variation of the Sun，s shadow is presented.

Correlation Between Sun Shadows of 10 TeV Cosmic Ray and the Solar Activity

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