Prototype studies on the forward MWDC tracking array of theexternal target experiment at HIRFL-CSR

YI Han; ZHANG Zhao; XIAO Zhi-Gang; CHENG Wen-Jing; YAN Wei-Hua; WANG Ren-Sheng; LI Hong-Jie; HUANG Yan; ZHANG Yan; DUAN Li-Min; HU Rong-Jiang; LU Chen-Gui; YANG He-Run; MA Peng

doi:10.1088/1674-1137/38/12/126002

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《中国物理C》（英文）编辑部

2024年10月30日

Chinese Physics C> 2014, Vol. 38> Issue(12) : 126002 DOI: 10.1088/1674-1137/38/12/126002

Prototype studies on the forward MWDC tracking array of theexternal target experiment at HIRFL-CSR

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Abstract：
A prototype of the forward tracking array consisting of three multiwire drift chambers (MWDC) for the external target experiment (CEE) at the Heavy Ion Research Facility at the Lanzhou -Cooling Storage Ring (HIRFL-CSR) has been assembled and tested using cosmic rays. The signals from the anode wires are amplified and fed to a Flash-ADC to deliver the drift time and charge integration. The performances of the array prototype are investigated under various high voltages. For the tracking performances, after the space-time relation (STR) calibration and the detector displacement correction, the standard deviation of 223 μm of the residue is obtained. The performances of the forward MWDCs tracking array meets the requirements of CEE in design.

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YI Han, ZHANG Zhao, XIAO Zhi-Gang, CHENG Wen-Jing, YAN Wei-Hua, WANG Ren-Sheng, LI Hong-Jie, HUANG Yan, ZHANG Yan, DUAN Li-Min, HU Rong-Jiang, LU Chen-Gui, YANG He-Run, MA Peng and Prototype studies on the forward MWDC tracking array of theexternal target experiment at HIRFL-CSR[J]. Chinese Physics C, 2014, 38(12): 126002. doi: 10.1088/1674-1137/38/12/126002

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Received: 2014-09-04
Revised: 2014-09-04

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沈阳化工大学材料科学与工程学院沈阳 110142

Prototype studies on the forward MWDC tracking array of theexternal target experiment at HIRFL-CSR

Corresponding author: XIAO Zhi-Gang,

Received Date: 2014-09-04
Accepted Date: 2014-09-04
Available Online: 2014-12-05

Abstract: A prototype of the forward tracking array consisting of three multiwire drift chambers (MWDC) for the external target experiment (CEE) at the Heavy Ion Research Facility at the Lanzhou -Cooling Storage Ring (HIRFL-CSR) has been assembled and tested using cosmic rays. The signals from the anode wires are amplified and fed to a Flash-ADC to deliver the drift time and charge integration. The performances of the array prototype are investigated under various high voltages. For the tracking performances, after the space-time relation (STR) calibration and the detector displacement correction, the standard deviation of 223 μm of the residue is obtained. The performances of the forward MWDCs tracking array meets the requirements of CEE in design.