Tests of a large area MWPC with a CsI photocathode

被引：10

作者：

Krizan, P

Korpar, S

Staric, M

Stanovnik, A

Cindro, M

Skrk, D

Zavrtanik, M

Hamacher, T

Michel, E

机构：

[1] UNIV LJUBLJANA,JOZEF STEFAN INST,LJUBLJANA,SLOVENIA

[2] UNIV LJUBLJANA,DEPT PHYS,LJUBLJANA 61000,SLOVENIA

[3] UNIV MARIBOR,FAC TECH,MARIBOR 62000,SLOVENIA

[4] UNIV LJUBLJANA,DEPT PHYS,LJUBLJANA,SLOVENIA

[5] UNIV TEXAS,AUSTIN,TX 78712

[6] DESY,W-2000 HAMBURG,GERMANY

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1996年 / 371卷 / 1-2期

关键词：

D O I：

10.1016/0168-9002(95)01149-8

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

The relative quantum efficiency of several CsI photocathodes in an asymmetric multiwire proportional chamber has been measured. The photocathode surface of 24 x 24 cm(2) is divided into 7.5 x 7.5 mm(2) pads and the chamber is operated with methane at normal temperature and pressure and a gas gain of about 10(5). During tests of the high rate performance (similar to 2 MHz/cm(2)) of a smaller chamber (5 x 5 cm(2)), an interesting time variation of the count rate has been observed when illuminating the chamber with constant UV light.

引用

页码：151 / 154

页数：4

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