An Approach to Study the Cosmic Ray ‘Knee’Composition From Underground Multimuon Events at a Shallower Depth

Ding Linkal; Zhu Qingqi; Shen Changquan; Yao Zhiguo; Cheung Tsang; Matti Vallinkoski

Chinese Physics C> 1999, Vol. 23> Issue(6) : 584-588

An Approach to Study the Cosmic Ray ‘Knee’Composition From Underground Multimuon Events at a Shallower Depth

Institute of High Energy Physics, CAS, Beijing 1000391 City University of Hong Kong, Hong Kong2 University of Oulu, Oulu, Finland

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Abstract：
The observation of underground multimuon phenomena is an important way for the study of the cosmic ray composition in the 'knee' region (1015-1016 eV). It is noticed that the existing underground detectors are not very ideal for the composihon study because they were originally designed mainly for other aims. A new approach having higher sensitivity for this study by observing multimuon events using a detector array in a shallower depth underground is presented.

References

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Ding Linkal, Zhu Qingqi, Shen Changquan, Yao Zhiguo, Cheung Tsang and Matti Vallinkoski. An Approach to Study the Cosmic Ray ‘Knee’Composition From Underground Multimuon Events at a Shallower Depth[J]. Chinese Physics C, 1999, 23(6): 584-588.

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Received: 1999-01-07
Revised: 1900-01-01

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