Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment

Andrew Chen, J. C. Peng, C. H. Leung, M. Tian, N. Makins, M. Brooks, A. Klein, D. Kleinjan, K. Liu, M. McCumber, P. McGaughey, J. Miraal-Martinez, C. Da Silva, Sho Uemura, M. Jen, X. Li, J. Arrington, D. Geesaman, P. E. Reimer, C. BrownR. J. Tesarek, S. Sawada, W. Lorenzon, R. Raymond, K. Slifer, D. Ruth, Y. Goto, K. Nakano, T. A. Shibata, D. Crabb, D. Day, D. Keller, O. Rondon, Z. Akbar, J. Dunne, D. Dutta, L. El Fassi, H. Jiang, E. Kinney, N. Doshita, T. Iwata, Y. Miyachi, M. Daugherity, D. Isenhower, R. Towell, S. Watson, N. Rowlands, Y. Ngenzi, S. Pate, V. Papavassiliou, H. Yu, F. Hossain

Research output: Contribution to journalConference article

Abstract

Although the proton was discovered about 100 years ago, its spin structure still remains a mystery. Recent studies suggest that the orbital angular momentum of sea quarks could significantly contribute to the proton’s spin. The SeaQuest experiment, which recently completed data collection, probed the unpolarized light quark sea distributions of the proton using the Drell-Yan process. Its successor, the SpinQuest (E1039), will access the ū and d Sivers functions using polarized NH3 and ND3 targets. A non-zero Sivers asymmetry, observed in SpinQuest, would be a strong indication of non-zero sea-quark orbital angular momentum. The SpinQuest experiment can also probe the sea quark’s transversity distribution, which is relevant for the determination of proton’s tensor charge. Recent study suggests that sea-quarks might contribute significantly to deuteron’s tensor polarized structure functions. This can be further probed in SpinQuest using tensor polarized ND3 target. The current status and future plan of the experiment are presented.

Original languageEnglish (US)
JournalProceedings of Science
Volume346
StatePublished - Jan 1 2018
Event23rd International Spin Physics Symposium, SPIN 2018 - Ferrara, Italy
Duration: Sep 10 2018Sep 14 2018

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nucleons
quarks
protons
tensors
angular momentum
orbitals
deuterons
indication
asymmetry
probes

ASJC Scopus subject areas

  • General

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Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment. / Chen, Andrew; Peng, J. C.; Leung, C. H.; Tian, M.; Makins, N.; Brooks, M.; Klein, A.; Kleinjan, D.; Liu, K.; McCumber, M.; McGaughey, P.; Miraal-Martinez, J.; Da Silva, C.; Uemura, Sho; Jen, M.; Li, X.; Arrington, J.; Geesaman, D.; Reimer, P. E.; Brown, C.; Tesarek, R. J.; Sawada, S.; Lorenzon, W.; Raymond, R.; Slifer, K.; Ruth, D.; Goto, Y.; Nakano, K.; Shibata, T. A.; Crabb, D.; Day, D.; Keller, D.; Rondon, O.; Akbar, Z.; Dunne, J.; Dutta, D.; El Fassi, L.; Jiang, H.; Kinney, E.; Doshita, N.; Iwata, T.; Miyachi, Y.; Daugherity, M.; Isenhower, D.; Towell, R.; Watson, S.; Rowlands, N.; Ngenzi, Y.; Pate, S.; Papavassiliou, V.; Yu, H.; Hossain, F.

In: Proceedings of Science, Vol. 346, 01.01.2018.

Research output: Contribution to journalConference article

Chen, A, Peng, JC, Leung, CH, Tian, M, Makins, N, Brooks, M, Klein, A, Kleinjan, D, Liu, K, McCumber, M, McGaughey, P, Miraal-Martinez, J, Da Silva, C, Uemura, S, Jen, M, Li, X, Arrington, J, Geesaman, D, Reimer, PE, Brown, C, Tesarek, RJ, Sawada, S, Lorenzon, W, Raymond, R, Slifer, K, Ruth, D, Goto, Y, Nakano, K, Shibata, TA, Crabb, D, Day, D, Keller, D, Rondon, O, Akbar, Z, Dunne, J, Dutta, D, El Fassi, L, Jiang, H, Kinney, E, Doshita, N, Iwata, T, Miyachi, Y, Daugherity, M, Isenhower, D, Towell, R, Watson, S, Rowlands, N, Ngenzi, Y, Pate, S, Papavassiliou, V, Yu, H & Hossain, F 2018, 'Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment', Proceedings of Science, vol. 346.
Chen, Andrew ; Peng, J. C. ; Leung, C. H. ; Tian, M. ; Makins, N. ; Brooks, M. ; Klein, A. ; Kleinjan, D. ; Liu, K. ; McCumber, M. ; McGaughey, P. ; Miraal-Martinez, J. ; Da Silva, C. ; Uemura, Sho ; Jen, M. ; Li, X. ; Arrington, J. ; Geesaman, D. ; Reimer, P. E. ; Brown, C. ; Tesarek, R. J. ; Sawada, S. ; Lorenzon, W. ; Raymond, R. ; Slifer, K. ; Ruth, D. ; Goto, Y. ; Nakano, K. ; Shibata, T. A. ; Crabb, D. ; Day, D. ; Keller, D. ; Rondon, O. ; Akbar, Z. ; Dunne, J. ; Dutta, D. ; El Fassi, L. ; Jiang, H. ; Kinney, E. ; Doshita, N. ; Iwata, T. ; Miyachi, Y. ; Daugherity, M. ; Isenhower, D. ; Towell, R. ; Watson, S. ; Rowlands, N. ; Ngenzi, Y. ; Pate, S. ; Papavassiliou, V. ; Yu, H. ; Hossain, F. / Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment. In: Proceedings of Science. 2018 ; Vol. 346.
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title = "Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment",
abstract = "Although the proton was discovered about 100 years ago, its spin structure still remains a mystery. Recent studies suggest that the orbital angular momentum of sea quarks could significantly contribute to the proton’s spin. The SeaQuest experiment, which recently completed data collection, probed the unpolarized light quark sea distributions of the proton using the Drell-Yan process. Its successor, the SpinQuest (E1039), will access the ū and d Sivers functions using polarized NH3 and ND3 targets. A non-zero Sivers asymmetry, observed in SpinQuest, would be a strong indication of non-zero sea-quark orbital angular momentum. The SpinQuest experiment can also probe the sea quark’s transversity distribution, which is relevant for the determination of proton’s tensor charge. Recent study suggests that sea-quarks might contribute significantly to deuteron’s tensor polarized structure functions. This can be further probed in SpinQuest using tensor polarized ND3 target. The current status and future plan of the experiment are presented.",
author = "Andrew Chen and Peng, {J. C.} and Leung, {C. H.} and M. Tian and N. Makins and M. Brooks and A. Klein and D. Kleinjan and K. Liu and M. McCumber and P. McGaughey and J. Miraal-Martinez and {Da Silva}, C. and Sho Uemura and M. Jen and X. Li and J. Arrington and D. Geesaman and Reimer, {P. E.} and C. Brown and Tesarek, {R. J.} and S. Sawada and W. Lorenzon and R. Raymond and K. Slifer and D. Ruth and Y. Goto and K. Nakano and Shibata, {T. A.} and D. Crabb and D. Day and D. Keller and O. Rondon and Z. Akbar and J. Dunne and D. Dutta and {El Fassi}, L. and H. Jiang and E. Kinney and N. Doshita and T. Iwata and Y. Miyachi and M. Daugherity and D. Isenhower and R. Towell and S. Watson and N. Rowlands and Y. Ngenzi and S. Pate and V. Papavassiliou and H. Yu and F. Hossain",
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T1 - Probing nucleon’s spin structures with polarized Drell-Yan in the Fermilab SpinQuest experiment

AU - Chen, Andrew

AU - Peng, J. C.

AU - Leung, C. H.

AU - Tian, M.

AU - Makins, N.

AU - Brooks, M.

AU - Klein, A.

AU - Kleinjan, D.

AU - Liu, K.

AU - McCumber, M.

AU - McGaughey, P.

AU - Miraal-Martinez, J.

AU - Da Silva, C.

AU - Uemura, Sho

AU - Jen, M.

AU - Li, X.

AU - Arrington, J.

AU - Geesaman, D.

AU - Reimer, P. E.

AU - Brown, C.

AU - Tesarek, R. J.

AU - Sawada, S.

AU - Lorenzon, W.

AU - Raymond, R.

AU - Slifer, K.

AU - Ruth, D.

AU - Goto, Y.

AU - Nakano, K.

AU - Shibata, T. A.

AU - Crabb, D.

AU - Day, D.

AU - Keller, D.

AU - Rondon, O.

AU - Akbar, Z.

AU - Dunne, J.

AU - Dutta, D.

AU - El Fassi, L.

AU - Jiang, H.

AU - Kinney, E.

AU - Doshita, N.

AU - Iwata, T.

AU - Miyachi, Y.

AU - Daugherity, M.

AU - Isenhower, D.

AU - Towell, R.

AU - Watson, S.

AU - Rowlands, N.

AU - Ngenzi, Y.

AU - Pate, S.

AU - Papavassiliou, V.

AU - Yu, H.

AU - Hossain, F.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Although the proton was discovered about 100 years ago, its spin structure still remains a mystery. Recent studies suggest that the orbital angular momentum of sea quarks could significantly contribute to the proton’s spin. The SeaQuest experiment, which recently completed data collection, probed the unpolarized light quark sea distributions of the proton using the Drell-Yan process. Its successor, the SpinQuest (E1039), will access the ū and d Sivers functions using polarized NH3 and ND3 targets. A non-zero Sivers asymmetry, observed in SpinQuest, would be a strong indication of non-zero sea-quark orbital angular momentum. The SpinQuest experiment can also probe the sea quark’s transversity distribution, which is relevant for the determination of proton’s tensor charge. Recent study suggests that sea-quarks might contribute significantly to deuteron’s tensor polarized structure functions. This can be further probed in SpinQuest using tensor polarized ND3 target. The current status and future plan of the experiment are presented.

AB - Although the proton was discovered about 100 years ago, its spin structure still remains a mystery. Recent studies suggest that the orbital angular momentum of sea quarks could significantly contribute to the proton’s spin. The SeaQuest experiment, which recently completed data collection, probed the unpolarized light quark sea distributions of the proton using the Drell-Yan process. Its successor, the SpinQuest (E1039), will access the ū and d Sivers functions using polarized NH3 and ND3 targets. A non-zero Sivers asymmetry, observed in SpinQuest, would be a strong indication of non-zero sea-quark orbital angular momentum. The SpinQuest experiment can also probe the sea quark’s transversity distribution, which is relevant for the determination of proton’s tensor charge. Recent study suggests that sea-quarks might contribute significantly to deuteron’s tensor polarized structure functions. This can be further probed in SpinQuest using tensor polarized ND3 target. The current status and future plan of the experiment are presented.

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AN - SCOPUS:85074056622

VL - 346

JO - Proceedings of Science

JF - Proceedings of Science

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