Chinese Physics C > 1989, Vol. 13 > Issue(S1): 9-14

A Superhigh Energy Gamma-Ray Family Event in the Form of Two Concentric Rings

1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing;
2. Department of High Energy Physics, Shandong University, Jinan;
3. Department of Physics, Zhengzhou University;
4. Chongqing Architecture College;
5. Department of Physics, Yunnan University, Kunming

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A superhigh energy gamma-ray family event with the showers distributed in the form of two concentric rings has been found in the ML Kanbala emulsion chamber experiment. The radii of the two rings are 4 mm and 10 mm respectively. This event exhibits some features clearly deviated from those of ordinary big family events. In this paper, some characteristic features of the rings are analyzed and a short discussion is made.

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Ren Jingru, Kuang Haohuai, Huo Anxiang, Lu Suiling, Su Shi, Wang Yunxin, Wang Chengrui, Zhang Naijian, Cao Peiyuan, Li Jinyu, Zou Baotang, Wang Shizhi, Li Guangju, Bai Guangzhi, Mu Jun and Zhou Wende. A Superhigh Energy Gamma-Ray Family Event in the Form of Two Concentric Rings[J]. Chinese Physics C, 1989, 13(S1): 9-14.

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Received: 1987-12-24

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Supported by the National Natural Science Foundation of China

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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

A Superhigh Energy Gamma-Ray Family Event in the Form of Two Concentric Rings

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

2. Department of High Energy Physics, Shandong University, Jinan;

3. Department of Physics, Zhengzhou University;

4. Chongqing Architecture College;

5. Department of Physics, Yunnan University, Kunming

Received Date:1987-12-24

Fund Project:Supported by the National Natural Science Foundation of China

Abstract:A superhigh energy gamma-ray family event with the showers distributed in the form of two concentric rings has been found in the ML Kanbala emulsion chamber experiment. The radii of the two rings are 4 mm and 10 mm respectively. This event exhibits some features clearly deviated from those of ordinary big family events. In this paper, some characteristic features of the rings are analyzed and a short discussion is made.

A Superhigh Energy Gamma-Ray Family Event in the Form of Two Concentric Rings

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