LARGE LIQUID-ARGON SHOWER DETECTOR FOR AN ISR EXPERIMENT

被引：50

作者：

COBB, JH

IWATA, S

RAHM, DC

REHAK, P

STUMER, I

FABJAN, CW

HARRIS, M

LINDSAY, J

MANNELLI, I

NAKAMURA, K

NAPPI, A

STRUCZINSKI, W

WILLIS, WJ

KOURKOUMELIS, C

LANKFORD, AJ

机构：

[1] CERN,CH-1211 GENEVA 23,SWITZERLAND

[2] YALE UNIV,NEW HAVEN,CT 06520

来源：

NUCLEAR INSTRUMENTS & METHODS | 1979年 / 158卷 / 01期

关键词：

D O I：

10.1016/S0029-554X(79)90850-4

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A large liquid-argon shower detector system has been constructed for the detection of photons and electrons at the CERN ISR. The calorimeter system is built in a modular way such that eight modules would cover = 2 π azimuthally with a total solid angle of Ω = 8 sr. Each module consists of 1.5 mm thick lead plates, spaced 2 mm apart. Longitudinal grouping and transversal division into strip-like sections of the charge-collecting electrodes provide the required spatial resolution and hadron discrimination. Measurements on energy and space resolution and electron/hadron discrimination are described. The signal-processing system, designed to minimize electronics noise, can handle event rates up to 0.5 MHz and provides energy information for trigger purposes. The performance of this calorimeter system during two years of ISR operation is reported. © 1979 North-Holland Publishing Co.

引用

页码：93 / 110

页数：18

共 14 条

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[6] LARGE PROPORTIONAL MULTIWIRE CHAMBERS FOR TRANSITION RADIATION DETECTION WITH UNAMBIGUOUS POSITION READOUT [J].

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