Monte-Carlo Investigation on the Performance of Huairou EAS Array

Luo Guangxuan; Tan Youheng; Zhang Chunsheng; Dong Yuju; Yuan Peng; Zhang Huimin; Wang Hui; Yuan Yukui; Li Jing

Chinese Physics C> 1995, Vol. 19> Issue(10) : 884-890

Monte-Carlo Investigation on the Performance of Huairou EAS Array

Institute of High Energy Physics, The Chinese Academy of Sciences,Beijing 100039

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Abstract：
360 thousands of Monte-Carlo EAS events have been simulated by using the "GENAS" package as well as the geometry and instrument response of Huairou EAS array.They are used for the investigation of array perfromance and event selection criteria,and for the check of experimental data.It shows that there are fair coincidence between the experimental and the simulated results on the trigger rate, the zenith angle distribution, the Size response etc.The accuracies of core position and arrival direction are about 3m and 2.5°, respectively.The relative error of EAS Size determination is about 8% when the Size is about 10⁶,the peak value of energy response of array is 5×10¹⁴ev and the best fit of the relation between EAS Size and primary energy is E≈^10.64N^0.84.

References

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Luo Guangxuan, Tan Youheng, Zhang Chunsheng, Dong Yuju, Yuan Peng, Zhang Huimin, Wang Hui, Yuan Yukui and Li Jing. Monte-Carlo Investigation on the Performance of Huairou EAS Array[J]. Chinese Physics C, 1995, 19(10): 884-890.

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Received: 1900-01-01
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

Monte-Carlo Investigation on the Performance of Huairou EAS Array

Corresponding author: Luo Guangxuan,

Institute of High Energy Physics, The Chinese Academy of Sciences,Beijing 100039

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1995-10-05

Abstract: 360 thousands of Monte-Carlo EAS events have been simulated by using the "GENAS" package as well as the geometry and instrument response of Huairou EAS array.They are used for the investigation of array perfromance and event selection criteria,and for the check of experimental data.It shows that there are fair coincidence between the experimental and the simulated results on the trigger rate, the zenith angle distribution, the Size response etc.The accuracies of core position and arrival direction are about 3m and 2.5°, respectively.The relative error of EAS Size determination is about 8% when the Size is about 10⁶,the peak value of energy response of array is 5×10¹⁴ev and the best fit of the relation between EAS Size and primary energy is E≈^10.64N^0.84.