Complete tests of 2000 Hamamatsu R7525HA phototubes for the CMS-HF Forward Calorimeter

被引：25
|
作者：
Akgun, U
Ayan, AS
Bruecken, P
Duru, F
Gülmez, E
Mestvirishvilli, A
Miller, M
Olson, J
Onel, Y
Schmidt, I
机构：
[1] Univ Iowa, Dept Phys & Astron, Iowa City, IA 52242 USA
[2] Bogazici Univ, Dept Phys, TR-34342 Istanbul, Turkey
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 550卷 / 1-2期
关键词：
PMT; HF-calorimeter; CMS;
D O I：
10.1016/j.nima.2005.03.171
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Approximately 2000 PMTs will be used to detect the Cherenkov light generated in quartz fibers embedded in the CMS-HF Forward Calorimeter. The Hamamatsu R7525HA PMT was chosen for this purpose. We measured the transit time, transit time spread, pulse width, rise time, anode dark current, and relative gain for each tube in the test station at the University of Iowa. Life-time, gain versus high voltage, and single photoelectron spectrum measurements were also done on a small sample of PMTs. All the tubes were tested to verify that they conform to the HF requirements. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 156
页数：12
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