An accurate measurement of PMT TTS based on the photoelectron spectrum
The water Cherenkov detector array(WCDA) for the Large High Altitude Air Shower Observatory(LHAASO) will employ more than 3600 hemisphere 8-inch photomultiplier tubes(PMTs). Good time performance of the PMT, especially the transit time spread(TTS), is required for the WCDA. In order to meet the dema...
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Published in | Chinese physics C Vol. 39; no. 6; pp. 76 - 80 |
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Main Author | |
Format | Journal Article |
Language | English |
Published |
01.06.2015
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Subjects | |
Online Access | Get full text |
ISSN | 1674-1137 0254-3052 |
DOI | 10.1088/1674-1137/39/6/066003 |
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Abstract | The water Cherenkov detector array(WCDA) for the Large High Altitude Air Shower Observatory(LHAASO) will employ more than 3600 hemisphere 8-inch photomultiplier tubes(PMTs). Good time performance of the PMT, especially the transit time spread(TTS), is required for the WCDA. In order to meet the demand of the WCDA experiment, an accurate measurement of PMT TTS based on the photoelectron spectrum is studied. The method is appropriate for multi-photoelectrons and makes it possible to measure the TTS of different photoelectrons simultaneously. The TTS of different photoelectrons for a Hamamatsu R5912 PMT is tested with a specially designed divider circuit. The relationship between TTS and number of photoelectrons is also presented in this paper. |
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AbstractList | The water Cherenkov detector array (WCDA) for the Large High Altitude Air Shower Observatory (LHAASO) will employ more than 3600 hemisphere 8-inch photomultiplier tubes (PMTs). Good time performance of the PMT, especially the transit time spread (TTS), is required for the WCDA. In order to meet the demand of the WCDA experiment, an accurate measurement of PMT TTS based on the photoelectron spectrum is studied. The method is appropriate for multi-photoelectrons and makes it possible to measure the TTS of different photoelectrons simultaneously. The TTS of different photoelectrons for a Hamamatsu R5912 PMT is tested with a specially designed divider circuit. The relationship between TTS and number of photoelectrons is also presented in this paper. The water Cherenkov detector array(WCDA) for the Large High Altitude Air Shower Observatory(LHAASO) will employ more than 3600 hemisphere 8-inch photomultiplier tubes(PMTs). Good time performance of the PMT, especially the transit time spread(TTS), is required for the WCDA. In order to meet the demand of the WCDA experiment, an accurate measurement of PMT TTS based on the photoelectron spectrum is studied. The method is appropriate for multi-photoelectrons and makes it possible to measure the TTS of different photoelectrons simultaneously. The TTS of different photoelectrons for a Hamamatsu R5912 PMT is tested with a specially designed divider circuit. The relationship between TTS and number of photoelectrons is also presented in this paper. |
Author | 黄卫平 唐泽波 李澄 江琨 赵晓坤 王鹏飞 |
AuthorAffiliation | State Key Laboratory of Particle Detection and Electronics, Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China |
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Cites_doi | 10.1016/0168-9002(94)90183-X 10.1016/j.nima.2011.04.016 10.1088/1674-1137/34/2/018 |
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Notes | The water Cherenkov detector array(WCDA) for the Large High Altitude Air Shower Observatory(LHAASO) will employ more than 3600 hemisphere 8-inch photomultiplier tubes(PMTs). Good time performance of the PMT, especially the transit time spread(TTS), is required for the WCDA. In order to meet the demand of the WCDA experiment, an accurate measurement of PMT TTS based on the photoelectron spectrum is studied. The method is appropriate for multi-photoelectrons and makes it possible to measure the TTS of different photoelectrons simultaneously. The TTS of different photoelectrons for a Hamamatsu R5912 PMT is tested with a specially designed divider circuit. The relationship between TTS and number of photoelectrons is also presented in this paper. 11-5641/O4 photoelectron hemisphere correction specially sized summarized cathode setup searching deviation ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 |
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References | CAO Z . (LHAASO collaboration) (2) 2013 CAO Z . (LHAASO collaboration) (1) 2010; 34 3 6 Wei-Ping HUANG (5) 2013; 37 8 Hamamatsu Photonics K K (4) 2006 Xin-Jun HAO (7) 2012; 32 |
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Snippet | The water Cherenkov detector array(WCDA) for the Large High Altitude Air Shower Observatory(LHAASO) will employ more than 3600 hemisphere 8-inch... The water Cherenkov detector array (WCDA) for the Large High Altitude Air Shower Observatory (LHAASO) will employ more than 3600 hemisphere 8-inch... |
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SubjectTerms | Air showers Arrays Circuit design Dividers Hemispheres Photoelectrons Photomultiplier tubes PMT Transit time TTS 光电倍增管 光电子光谱 同时测量 探测器阵列 时间扩展 精确测量 |
Title | An accurate measurement of PMT TTS based on the photoelectron spectrum |
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