Magnetic shielding for DAMPE electromagnetic calorimeter PMTs

WANG Pei-Long; ZHANG Yun-Long; WANG Xiao-Lian; XU Zi-Zong

doi:10.1088/1674-1137/38/8/086002

Chinese Physics C> 2014, Vol. 38> Issue(8) : 086002 DOI: 10.1088/1674-1137/38/8/086002

Magnetic shielding for DAMPE electromagnetic calorimeter PMTs

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Abstract：
The magnetic characteristics of R5610A-01 photomultiplier tubes are studied in this paper. The experimental data shows that the gain of R5610A-01 loses about 53% when the magnetic field is 3 Gs along its +X axis. A cylinder of one-layer permalloy strip is able to reduce the effect of a 3 Gs magnetic field on the PMT gain to less than 1%.

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WANG Pei-Long, ZHANG Yun-Long, WANG Xiao-Lian and XU Zi-Zong. Magnetic shielding for DAMPE electromagnetic calorimeter PMTs[J]. Chinese Physics C, 2014, 38(8): 086002. doi: 10.1088/1674-1137/38/8/086002

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Received: 2013-09-29
Revised: 2013-11-22

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沈阳化工大学材料科学与工程学院沈阳 110142

Magnetic shielding for DAMPE electromagnetic calorimeter PMTs

Corresponding author: WANG Pei-Long,

Corresponding author: XU Zi-Zong,

Received Date: 2013-09-29
Accepted Date: 2013-11-22
Available Online: 2014-08-05

Abstract: The magnetic characteristics of R5610A-01 photomultiplier tubes are studied in this paper. The experimental data shows that the gain of R5610A-01 loses about 53% when the magnetic field is 3 Gs along its +X axis. A cylinder of one-layer permalloy strip is able to reduce the effect of a 3 Gs magnetic field on the PMT gain to less than 1%.