High voltage system for the CMS forward calorimeter

被引：4
|
作者：
Akchurin, N.
Atramentov, O.
Dimitrov, L.
Hauptman, J.
Kim, H.
Los, S.
Sergeev, S.
Vankov, I.
机构：
[1] Inst Nucl Energy Res, Sofia 1784, Bulgaria
[2] Texas Tech Univ, Lubbock, TX 79409 USA
[3] Iowa State Univ, Ames, IA 50011 USA
[4] Fermilab Natl Accelerator Lab, Batavia, IL 60510 USA
[5] Joint Inst Nucl Res, Dubna, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 572卷 / 02期
关键词：
calorimeter; photomultiplier; power supply system;
D O I：
10.1016/j.nima.2006.11.057
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The power supply system developed for the photomultipliers (PMTs) of the forward calorimeter (HF) of the Compact Muon Solenoid (CMS) experiment at the Large Hadron Collider is described. The 1728 PMTs of the HF are divided into 24 clusters of 72 with similar gain value. All of the PMTs within each cluster are powered by the same three high voltage (HV) power supplies, making a total of only 72 power supplies in the entire system. In this so-called parallel dynode voltage distribution, the three HV power supplies can be adjusted from 0 to -2000, -800, and -400V, respectively. All output voltages are floating to facilitate a single-point ground configuration. The system is computer controlled and integrated into the CMS detector slow control facility. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：618 / 623
页数：6
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