Physics performance of the STAR zero degree calorimeter at relativistic heavy ion collider

doi:10.1007/s41365-016-0129-z

Nuclear Science and Techniques ›› 2016, Vol. 27 ›› Issue (6): 126 doi: 10.1007/s41365-016-0129-z

• NUCLEAR PHYSICS AND INTERDISCIPLINARY RESEARCH • Next Articles

Physics performance of the STAR zero degree calorimeter at relativistic heavy ion collider

Yi-Fei Xu ^1,2 • Jin-Hui Chen ¹• Yu-Gang Ma ^1,3• Ai-Hong Tang⁴ • Zhang-Bu Xu⁴ • Yu-Hui Zhu ^1,2

¹Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
² University of Chinese Academy of Sciences, Beijing 100049, China
³ShanghaiTech University, Shanghai 200031, China
⁴ Brookhaven National Laboratory, Upton, NY 11973, USA

Contact: Yu-Gang Ma E-mail:ygma@sinap.ac.cn
Supported by:
This work was supported by the Major State Basic Research Development Program in China (2014CB845400), and the National Natural Science Foundation of China (Nos. 11421505, 11520101004, 11322547, and 11275250).

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Yi-Fei Xu, Jin-Hui Chen, Yu-Gang Ma, Ai-Hong Tang, Zhang-Bu Xu, Yu-Hui Zhu. Physics performance of the STAR zero degree calorimeter at relativistic heavy ion collider.Nuclear Science and Techniques, 2016, 27(6): 126 doi: 10.1007/s41365-016-0129-z

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Abstract

Abstract:

The zero degree calorimeter (ZDC) at RHICSTAR was installed in the year 2000. After running for more than 10 years, the performance of the STAR-ZDC cannot maintain a proper status because of the radiation damage. The ZDC on RHIC-BRAHMS had been moved to STAR in 2011 after some tests. We present here the result of the tests as well as the physical performance of those ZDC modules between the 2011 and 2015 RHIC runs. The excellent energy resolution of the ZDC in heavy ion collision provides a good candidate for future detector development, such as the CSR experiment at CAS-Lanzhou facility.

Key words: Zero degree calorimeter, Calibration, Energy resolution, STAR

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Physics performance of the STAR zero degree calorimeter at relativistic heavy ion collider

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