THE VERTICAL INTEGRATED MOMENTUM SPECTRUM OF THE MUON WITH MOMENTUM LARGER THAN 4 GeV/c AT 3220m ABOVE SEA-LEVEL

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JING GUI-RU, HUO AN-XIANG, YAN YU-KUI, WANG LI-AN, LI YAN-GUO, SU DENG-JI, MENG XIANG-CHENG, YAO WEI-ZHONG, ZHOU YIN-ZAO, PENG SHAO-HUA and WANG LI-HUI. THE VERTICAL INTEGRATED MOMENTUM SPECTRUM OF THE MUON WITH MOMENTUM LARGER THAN 4 GeV/c AT 3220m ABOVE SEA-LEVEL[J]. Chinese Physics C, 1978, 2(5): 417-422.
JING GUI-RU, HUO AN-XIANG, YAN YU-KUI, WANG LI-AN, LI YAN-GUO, SU DENG-JI, MENG XIANG-CHENG, YAO WEI-ZHONG, ZHOU YIN-ZAO, PENG SHAO-HUA and WANG LI-HUI. THE VERTICAL INTEGRATED MOMENTUM SPECTRUM OF THE MUON WITH MOMENTUM LARGER THAN 4 GeV/c AT 3220m ABOVE SEA-LEVEL[J]. Chinese Physics C, 1978, 2(5): 417-422. shu
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Received: 1978-05-03
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

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THE VERTICAL INTEGRATED MOMENTUM SPECTRUM OF THE MUON WITH MOMENTUM LARGER THAN 4 GeV/c AT 3220m ABOVE SEA-LEVEL

Abstract: At an altitude of 3220 meters above sea level in Yunnan Province, we measured, by using a G-M counter-magnetic spectrometer, the vertical integratted momentum spectrum of the cosmic muon with momentum larger than 4 GeV/c. The spectrum obtained from this experiment is expressed by a power function in the form of I(>p)=Qp+4)-1.86±0.06(cm-2·sr-1·s-1), where p is in GeV/c and Q is a constant. We also measured the charge ratio of muon in the 4—23 GeV/c momentum range. The result is Nμ/Nμ-=1.26±0.11. The error in the momentum measurement with spectrometer has been discussed and calculated.

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