The trigger system for the external target experiment in the HIRFL cooling storage ring

Min Li; Lei Zhao; Jin-Xin Liu; Yi-Ming Lu; Shu-Bin Liu; Qi An

doi:10.1088/1674-1137/40/8/086102

Chinese Physics C> 2016, Vol. 40> Issue(8) : 086102 DOI: 10.1088/1674-1137/40/8/086102

The trigger system for the external target experiment in the HIRFL cooling storage ring

Min Li ^1,2 ,
Lei Zhao ^1,2,, ,
Jin-Xin Liu ^1,2 ,
Yi-Ming Lu ^1,2 ,
Shu-Bin Liu ^1,2 ,
Qi An ^1,2

1.
State Key Laboratory of Particle Detection and Electronics,University of Science and Technology of China, Hefei 230026, China
2.
Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

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Abstract：
A trigger system was designed for the external target experiment in the Cooling Storage Ring (CSR) of the Heavy Ion Research Facility in Lanzhou (HIRFL). Considering that different detectors are scattered over a large area, the trigger system is designed based on a master-slave structure and fiber-based serial data transmission technique. The trigger logic is organized in hierarchies, and flexible reconfiguration of the trigger function is achieved based on command register access or overall field-programmable gate array (FPGA) logic on-line reconfiguration controlled by remote computers. We also conducted tests to confirm the function of the trigger electronics, and the results indicate that this trigger system works well.
- trigger system ,
- fiber-based data transmission ,
- FPGA ,
- reconfiguration

References

[1]	J. W. Xia et al, Nucl. Instrum. Methods A, 488: 11-25 (2002)
[2]	C. Zheng et al, High Energy Physics and Nuclear Physics, 31(12): 1177-1180 (2007)
[3]	L. Zhao et al, Nucl. Sci. and Tech., 010401: 1-6 (2014)
[4]	X. H. Liu, The research on the readout electronics system of detectors in CSR, Ph.D. Thesis (University of Science and Technology of China, 2008) (in Chinese)
[5]	E. Delagnes et al, IEEE Trans. Nucl. Sci., 47(4): 1447-1453 (2000)
[6]	S. B. Liu et al, Nucl. Tech., 29(1): 72-76 (2006)
[7]	J. W. Zhou, The research and design on the pre-research readout electronics system of the external experiment in CSR, Ph.D. Thesis (University of Science and Technology of China, 2012) (in Chinese)
[8]	A. X. Widmer et al., IBM Journal of Research and Development, 27: 440-451 (1983)
[9]	L. B. Shu et al., Journal of Circuits and Systems, 1007-0249 (2003)
[10]	H.Yiet al., Chin. Phys. C, 38(12): 126002 (2014)

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Min Li, Lei Zhao, Jin-Xin Liu, Yi-Ming Lu, Shu-Bin Liu and Qi An. The trigger system for the external target experiment in the HIRFL cooling storage ring[J]. Chinese Physics C, 2016, 40(8): 086102. doi: 10.1088/1674-1137/40/8/086102

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Received: 2015-12-21

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Supported by the National Natural Science Foundation of China (11079003), the Knowledge Innovation Program of the Chinese Academy of Sciences (KJCX2-YW-N27), and the CAS Center for Excellence in Particle Physics (CCEPP).

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

The trigger system for the external target experiment in the HIRFL cooling storage ring

Corresponding author: Lei Zhao,

1. State Key Laboratory of Particle Detection and Electronics,University of Science and Technology of China, Hefei 230026, China
2. Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China

Received Date: 2015-12-21
Available Online: 2016-08-05

Fund Project: Supported by the National Natural Science Foundation of China (11079003), the Knowledge Innovation Program of the Chinese Academy of Sciences (KJCX2-YW-N27), and the CAS Center for Excellence in Particle Physics (CCEPP).

Abstract: A trigger system was designed for the external target experiment in the Cooling Storage Ring (CSR) of the Heavy Ion Research Facility in Lanzhou (HIRFL). Considering that different detectors are scattered over a large area, the trigger system is designed based on a master-slave structure and fiber-based serial data transmission technique. The trigger logic is organized in hierarchies, and flexible reconfiguration of the trigger function is achieved based on command register access or overall field-programmable gate array (FPGA) logic on-line reconfiguration controlled by remote computers. We also conducted tests to confirm the function of the trigger electronics, and the results indicate that this trigger system works well.

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The trigger system for the external target experiment in the HIRFL cooling storage ring

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