A Multi-Anode Transverse Field Gas lonization Chamber

HU Zheng-Guo; GUO Zhong-Yan; ZHAN Wen-Long; XIAO Guo-Qing; XU Hu-Shan; SUN Zhi-Yu; WANG Meng; MAO Rui-Shi; CHEN Zhi-Qiang; CHEN Li-Xin; LI Chen; BAI Jie; ZHANG Jin-Xia; LI Cun-Pan

Chinese Physics C> 2003, Vol. 27> Issue(10) : 905-908

A Multi-Anode Transverse Field Gas lonization Chamber

Institute of Modem Physics,CAS,Lanzhou 730000,China

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Abstract：
A transverse field gas ionization chamber for particle identification at the Radioactive Ion Beam Line in Lanzhou (RIBLL) is described. It consists of cathode, Frisch grid and 4 anodes (20,40,80,136mm). The MAIC was measured at 10⁴Pa of operating gas P10(10% CH₄+90 % Ar) . By setting the voltage of anode at 100V, the plateau of the MAIC is 700V varing from - 300V to - 1000V. With voltage of anode at + 225V and the voltage of cathode at -700V, the energy resolution of MAIC is 41.1keV for 1 .30 MeV ²⁴⁴Cm a and relative energy resolution (ΔE/E) is 3.16% at the fourth anode.

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HU Zheng-Guo, GUO Zhong-Yan, ZHAN Wen-Long, XIAO Guo-Qing, XU Hu-Shan, SUN Zhi-Yu, WANG Meng, MAO Rui-Shi, CHEN Zhi-Qiang, CHEN Li-Xin, LI Chen, BAI Jie, ZHANG Jin-Xia and LI Cun-Pan. A Multi-Anode Transverse Field Gas lonization Chamber[J]. Chinese Physics C, 2003, 27(10): 905-908.

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Received: 2002-12-17
Revised: 1900-01-01

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