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The SeaQuest spectrometer at Fermilab

Aidala, C. A. and Holt, R. J. (2019) The SeaQuest spectrometer at Fermilab. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 930 . pp. 49-63. ISSN 0168-9002. https://resolver.caltech.edu/CaltechAUTHORS:20190509-155724646

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Abstract

The SeaQuest spectrometer at Fermilab was designed to detect oppositely-charged pairs of muons (dimuons) produced by interactions between a 120 GeV proton beam and liquid hydrogen, liquid deuterium and solid nuclear targets. The primary physics program uses the Drell–Yan process to probe antiquark distributions in the target nucleon. The spectrometer consists of a target system, two dipole magnets and four detector stations. The upstream magnet is a closed-aperture solid iron magnet which also serves as the beam dump, while the second magnet is an open aperture magnet. Each of the detector stations consists of scintillator hodoscopes and a high-resolution tracking device. The FPGA-based trigger compares the hodoscope signals to a set of pre-programmed roads to determine if the event contains oppositely-signed, high-mass muon pairs.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1016/j.nima.2019.03.039DOIArticle
https://arxiv.org/abs/1706.09990arXivDiscussion Paper
Additional Information:© 2019 The Authors. Published by Elsevier B.V. Received 28 June 2017, Revised 6 February 2019, Accepted 13 March 2019, Available online 26 March 2019. We wish to thank Sten Hansen and Terry Kiper of the Electrical Engineering Department of Fermilab's Particle Physics Division. Sten designed much of the SeaQuest electronics, including the Beam Intensity Monitor Readout module, the wire chamber front-end system (ASDQ cards and Level Shifter Boards), and high rate phototube voltage dividers for the station 1 and 2 hodoscopes. Terry wrote all associated micro controller code and has maintained these systems. We would also like to thank the JLab CODA group in particular David Abbot and Ed Jastrzembski for their help with CODA installation. This work was supported in part by US Department of Energy grants DE-AC02-06CH11357, DE-FG02-07ER41528, DE-SC0006963; US National Science Foundation under grants PHY 0969239, PHY 1452636, PHY 1505458; the DP&A and ORED at Mississippi State University; the JSPS KAKENHI Grant Numbers 21244028, 25247037, 25800133; Tokyo Tech Global COE Program; Yamada Science Foundation of Japan; and the Ministry of Science and Technology (MOST), Taiwan. Fermilab is operated by Fermi Research Alliance, LLC under Contract No. DE-AC02-07CH11359 with the United States Department of Energy.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-AC02-06CH11357
Department of Energy (DOE)DE-FG02-07ER41528
Department of Energy (DOE)DE-SC0006963
NSFPHY-0969239
NSFPHY-1452636
NSFPHY-1505458
Mississippi State UniversityUNSPECIFIED
Japan Society for the Promotion of Science (JSPS)21244028
Japan Society for the Promotion of Science (JSPS)25247037
Japan Society for the Promotion of Science (JSPS)25800133
Tokyo Tech Global COE ProgramUNSPECIFIED
Yamada Science FoundationUNSPECIFIED
Ministry of Science and Technology (Taipei)UNSPECIFIED
Department of Energy (DOE)DE-AC02-07CH11359
Subject Keywords:SeaQuest; E906; Drell–Yan; Spectrometer; J∕ψ; Muon
Record Number:CaltechAUTHORS:20190509-155724646
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20190509-155724646
Official Citation:C.A. Aidala, J.R. Arrington, C. Ayuso, B.M. Bowen, M.L. Bowen, K.L. Bowling, A.W. Brown, C.N. Brown, R. Byrd, R.E. Carlisle, T. Chang, W.-C. Chang, A. Chen, J.-Y. Chen, D.C. Christian, X. Chu, B.P. Dannowitz, M. Daugherity, M. Diefenthaler, J. Dove, C. Durandet, L. El Fassi, E. Erdos, D.M. Fox, D.F. Geesaman, R. Gilman, Y. Goto, L. Guo, R. Guo, T. Hague, C.R. Hicks, R.J. Holt, D. Isenhower, X. Jiang, J.M. Katich, B.M. Kerns, E.R. Kinney, N.D. Kitts, A. Klein, D. Kleinjan, J. Kras, Y. Kudo, P.-J. Lin, D. Liu, K. Liu, M.X. Liu, W. Lorenzon, N.C.R. Makins, J.D. Martinez, R.E. McClellan, B. McDonald, P.L. McGaughey, S.E. McNease, M.M. Medeiros, B. Miller, A.J. Miller, S. Miyasaka, Y. Miyachi, I.A. Mooney, D.H. Morton, B. Nadim, K. Nagai, K. Nakahara, K. Nakano, S. Nara, S. Obata, J.C. Peng, S. Prasad, A.J.R. Puckett, B.J. Ramson, R.S. Raymond, P.E. Reimer, J.G. Rubin, R. Salinas, F. Sanftl, S. Sawada, T. Sawada, M.B.C. Scott, L.E. Selensky, T.-A. Shibata, S. Shiu, D. Su, A.S. Tadepalli, M. Teo, B.G. Tice, C.L. Towell, R.S. Towell, S. Uemura, S.G. Wang, S. Watson, N. White, A.B. Wickes, M.R. Wood, J. Wu, Z. Xi, Z. Ye, Y. Yin, The SeaQuest spectrometer at Fermilab, Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Volume 930, 2019, Pages 49-63, ISSN 0168-9002, https://doi.org/10.1016/j.nima.2019.03.039. (http://www.sciencedirect.com/science/article/pii/S016890021930347X)
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ID Code:95387
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 May 2019 23:11
Last Modified:03 Oct 2019 21:12

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