FPGA-based Trigger System for the Fermilab SeaQuest Experimentz

Shiu, Shiuan-Hal; Wu, Jinyuan; McClellan, Randall Evan; Chang, Ting-Hua; Chang, Wen-Chen; Chen, Yen-Chu; Gilman, Ron; Nakano, Kenichi; Peng, Jen-Chieh; Wang, Su-Yin

doi:10.1016/j.nima.2015.09.001

Title: FPGA-based Trigger System for the Fermilab SeaQuest Experimentz

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Abstract

The SeaQuest experiment (Fermilab E906) detects pairs of energetic μ⁺ and μ^-produced in 120 GeV/c proton–nucleon interactions in a high rate environment. The trigger system we used consists of several arrays of scintillator hodoscopes and a set of field-programmable gate array (FPGA) based VMEbus modules. Signals from up to 96 channels of hodoscope are digitized by each FPGA with a 1-ns resolution using the time-to-digital convertor (TDC) firmware. The delay of the TDC output can be adjusted channel-by-channel in 1-ns step and then re-aligned with the beam RF clock. The hit pattern on the hodoscope planes is then examined against pre-determined trigger matrices to identify candidate muon tracks. Finally, information on the candidate tracks is sent to the 2nd-level FPGA-based track correlator to find candidate di-muon events. The design and implementation of the FPGA-based trigger system for SeaQuest experiment are presented.

Authors:

Shiu, Shiuan-Hal ^[1]; Wu, Jinyuan ^[2]; McClellan, Randall Evan ^[3]; Chang, Ting-Hua ^[4]; Chang, Wen-Chen ^[4]; Chen, Yen-Chu ^[4]; Gilman, Ron ^[5]; Nakano, Kenichi ^[6]; Peng, Jen-Chieh ^[3]; Wang, Su-Yin ^[7]

Academia Sinica, Taipei (Taiwan); National Central Univ., Taoyuan City (Taiwan)
Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
Univ. of Illinois, Urbana-Champaign, IL (United States)
Academia Sinica, Taipei (Taiwan)
State Univ. of New Jersey, Piscataway, NJ (United States)
Tokyo Inst. of Technology (Japan)
Academia Sinica, Taipei (Taiwan); Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States); National Kaohsiun Normal Univ., Kaohsiung County (Taiwan)

Publication Date:: Thu Sep 10 00:00:00 EDT 2015

Research Org.:: Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

Sponsoring Org.:: USDOE Office of Science (SC), High Energy Physics (HEP)

OSTI Identifier:: 1223257

Alternate Identifier(s):: OSTI ID: 1247200

Report Number(s):: FERMILAB-PUB-15-391-E
Journal ID: ISSN 0168-9002; arXiv eprint number arXiv:1509.04864

Grant/Contract Number:: AC02-07CH11359

Resource Type:: Accepted Manuscript

Journal Name:: Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment

Additional Journal Information:: Journal Volume: 802; Journal ID: ISSN 0168-9002

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; trigger; FPGA firmware; TDC; muon pairs

Citation Formats


                    Shiu, Shiuan-Hal, Wu, Jinyuan, McClellan, Randall Evan, Chang, Ting-Hua, Chang, Wen-Chen, Chen, Yen-Chu, Gilman, Ron, Nakano, Kenichi, Peng, Jen-Chieh, and Wang, Su-Yin. FPGA-based Trigger System for the Fermilab SeaQuest Experimentz.  United States: N. p., 2015. 
Web.  doi:10.1016/j.nima.2015.09.001.

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                    Shiu, Shiuan-Hal, Wu, Jinyuan, McClellan, Randall Evan, Chang, Ting-Hua, Chang, Wen-Chen, Chen, Yen-Chu, Gilman, Ron, Nakano, Kenichi, Peng, Jen-Chieh, & Wang, Su-Yin. FPGA-based Trigger System for the Fermilab SeaQuest Experimentz.  United States.  https://doi.org/10.1016/j.nima.2015.09.001

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                    Shiu, Shiuan-Hal, Wu, Jinyuan, McClellan, Randall Evan, Chang, Ting-Hua, Chang, Wen-Chen, Chen, Yen-Chu, Gilman, Ron, Nakano, Kenichi, Peng, Jen-Chieh, and Wang, Su-Yin. Thu .  
"FPGA-based Trigger System for the Fermilab SeaQuest Experimentz".  United States.  https://doi.org/10.1016/j.nima.2015.09.001.  https://www.osti.gov/servlets/purl/1223257.

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@article{osti_1223257,

  title        = {FPGA-based Trigger System for the Fermilab SeaQuest Experimentz},

  author       = {Shiu, Shiuan-Hal and Wu, Jinyuan and McClellan, Randall Evan and Chang, Ting-Hua and Chang, Wen-Chen and Chen, Yen-Chu and Gilman, Ron and Nakano, Kenichi and Peng, Jen-Chieh and Wang, Su-Yin},

  abstractNote = {The SeaQuest experiment (Fermilab E906) detects pairs of energetic μ+ and μ-produced in 120 GeV/c proton–nucleon interactions in a high rate environment. The trigger system we used consists of several arrays of scintillator hodoscopes and a set of field-programmable gate array (FPGA) based VMEbus modules. Signals from up to 96 channels of hodoscope are digitized by each FPGA with a 1-ns resolution using the time-to-digital convertor (TDC) firmware. The delay of the TDC output can be adjusted channel-by-channel in 1-ns step and then re-aligned with the beam RF clock. The hit pattern on the hodoscope planes is then examined against pre-determined trigger matrices to identify candidate muon tracks. Finally, information on the candidate tracks is sent to the 2nd-level FPGA-based track correlator to find candidate di-muon events. The design and implementation of the FPGA-based trigger system for SeaQuest experiment are presented.},

  doi          = {10.1016/j.nima.2015.09.001},

  journal      = {Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment},

  number       = ,

  volume       = 802,

  place        = {United States},

  year         = {Thu Sep 10 00:00:00 EDT 2015},

  month        = {Thu Sep 10 00:00:00 EDT 2015}

}

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