A Transverse Field Gas Ionization Chamber Performed at RIBLL

ZHANG Xue-Heng; SUN Zhi-Yu; HU Zheng-Guo; XU Zhi-Guo; XU Hu-Shan; WANG Meng; MAO Rui-Shi; FU Fen; ZHANG Hong-Bin; HUANG Tian-Heng; ZHENG Chuan; GAO Hui

Chinese Physics C> 2007, Vol. 31> Issue(4) : 384-387

A Transverse Field Gas Ionization Chamber Performed at RIBLL

Inistitute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

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Abstract：
A transverse field gas ionization chamber as ΔE detector at the Radioactive Ion Beam Line in Lanzhou (RIBLL) is described. A high detection efficiency and long plateau are achieved with the mixed gas Ar(80%)+CO₂(20%). The energy resolution is 3.25% for 4.94MeV α particle. This ionization chamber has been tested in the experiment with 50MeV/u ⁵⁸Ni bombarding Ta at RIBLL. All the fragments can be identified clearly by the ionization chamber.

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ZHANG Xue-Heng, SUN Zhi-Yu, HU Zheng-Guo, XU Zhi-Guo, XU Hu-Shan, WANG Meng, MAO Rui-Shi, FU Fen, ZHANG Hong-Bin, HUANG Tian-Heng, ZHENG Chuan, GAO Hui, A Transverse Field Gas Ionization Chamber Performed at RIBLL[J]. Chinese Physics C, 2007, 31(4): 384-387.

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Received: 2006-07-13
Revised: 2006-09-11

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