The SeaQuest spectrometer at Fermilab

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 d...

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Published in:Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment Vol. 930; no. C; pp. 49 - 63
Main Authors: Aidala, C.A., Arrington, J.R., Ayuso, C., Bowen, B.M., Bowen, M.L., Bowling, K.L., Brown, A.W., Brown, C.N., Byrd, R., Carlisle, R.E., Chang, T., Chang, W.-C., Chen, A., Chen, J.-Y., Christian, D.C., Chu, X., Dannowitz, B.P., Daugherity, M., Diefenthaler, M., Dove, J., Durandet, C., El Fassi, L., Erdos, E., Fox, D.M., Geesaman, D.F., Gilman, R., Goto, Y., Guo, L., Guo, R., Hague, T., Hicks, C.R., Holt, R.J., Isenhower, D., Jiang, X., Katich, J.M., Kerns, B.M., Kinney, E.R., Kitts, N.D., Klein, A., Kleinjan, D., Kras, J., Kudo, Y., Lin, P.-J., Liu, D., Liu, K., Liu, M.X., Lorenzon, W., Makins, N.C.R., Martinez, J.D., McClellan, R.E., McDonald, B., McGaughey, P.L., McNease, S.E., Medeiros, M.M., Miller, B., Miller, A.J., Miyasaka, S., Miyachi, Y., Mooney, I.A., Morton, D.H., Nadim, B., Nagai, K., Nakahara, K., Nakano, K., Nara, S., Obata, S., Peng, J.C., Prasad, S., Puckett, A.J.R., Ramson, B.J., Raymond, R.S., Reimer, P.E., Rubin, J.G., Salinas, R., Sanftl, F., Sawada, S., Sawada, T., Scott, M.B.C., Selensky, L.E., Shibata, T.-A., Shiu, S., Su, D., Tadepalli, A.S., Teo, M., Tice, B.G., Towell, C.L., Towell, R.S., Uemura, S., Wang, S.G., Watson, S., White, N., Wickes, A.B., Wood, M.R., Wu, J., Xi, Z., Ye, Z., Yin, Y.
Format: Journal Article
Language:English
Published: United States Elsevier B.V 21-06-2019
Elsevier
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Summary: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.
Bibliography:AC02-76SF00515; AC02-06CH11357; AC02-05CH11231; FG02-07ER41528; SC0006963; PHY 0969239; PHY 1452636; PHY 1505458; 21244028; 25247037; 25800133
Japan Society for the Promotion of Science (JSPS) - KAKENHI
National Science Foundation (NSF)
JSPS KAKENHI
USDOE Office of Science (SC), Nuclear Physics (NP)
Mississippi State University
ISSN:0168-9002
1872-9576
DOI:10.1016/j.nima.2019.03.039