Neutron spin structure with polarized deuterons and spectator proton tagging at EIC
Abstract
The neutron's deep-inelastic structure functions provide essential information for the flavor separation of the nucleon parton densities, the nucleon spin decomposition, and precision studies of QCD phenomena in the flavor-singlet and nonsinglet sectors. Thus, traditional inclusive measurements on nuclear targets are limited by dilution from scattering on protons, Fermi motion and binding effects, final-state interactions, and nuclear shadowing at x << 0.1. An Electron-Ion Collider (EIC) would enable next-generation measurements of neutron structure with polarized deuteron beams and detection of forward-moving spectator protons over a wide range of recoil momenta (0 < pR << several 100 MeV in the nucleus rest frame). The free neutron structure functions could be obtained by extrapolating the measured recoil momentum distributions to the on-shell point. The method eliminates nuclear modifications and can be applied to polarized scattering, as well as to semi-inclusive and exclusive final states. We review the prospects for neutron structure measurements with spectator tagging at EIC, the status of R&D efforts, and the accelerator and detector requirements.
- Authors:
-
- Ghent Univ., Gent (Belgium)
- Petersburg Nuclear Physics Institute, Gatchina (Russia)
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Old Dominion Univ., Norfolk, VA (United States)
- Florida Intl Univ., Miami, FL (United States)
- Pennsylvania State Univ., University Park, PA (United States)
- Publication Date:
- Research Org.:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1163965
- Report Number(s):
- JLAB-THY-14-1955; arXiv:1409.5768; DOE/OR/23177-3183
Journal ID: ISSN 1742-6588; R&D Project: 2013-LDRD-07
- Grant/Contract Number:
- AC05-06OR23177
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physics. Conference Series
- Additional Journal Information:
- Journal Volume: 543; Conference: Tensor Polarized Solid Target Workshop, Newport News, VA (United States), 10-12 Mar 2014; Journal ID: ISSN 1742-6588
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 73 NUCLEAR PHYSICS AND RADIATION PHYSICS
Citation Formats
Cosyn, W., Guzey, V., Higinbotham, D. W., Hyde, C., Kuhn, S., Nadel-Turonski, P., Park, K., Sargsian, M., Strikman, M., and Weiss, C. Neutron spin structure with polarized deuterons and spectator proton tagging at EIC. United States: N. p., 2014.
Web. doi:10.1088/1742-6596/543/1/012007.
Cosyn, W., Guzey, V., Higinbotham, D. W., Hyde, C., Kuhn, S., Nadel-Turonski, P., Park, K., Sargsian, M., Strikman, M., & Weiss, C. Neutron spin structure with polarized deuterons and spectator proton tagging at EIC. United States. https://doi.org/10.1088/1742-6596/543/1/012007
Cosyn, W., Guzey, V., Higinbotham, D. W., Hyde, C., Kuhn, S., Nadel-Turonski, P., Park, K., Sargsian, M., Strikman, M., and Weiss, C. Mon .
"Neutron spin structure with polarized deuterons and spectator proton tagging at EIC". United States. https://doi.org/10.1088/1742-6596/543/1/012007. https://www.osti.gov/servlets/purl/1163965.
@article{osti_1163965,
title = {Neutron spin structure with polarized deuterons and spectator proton tagging at EIC},
author = {Cosyn, W. and Guzey, V. and Higinbotham, D. W. and Hyde, C. and Kuhn, S. and Nadel-Turonski, P. and Park, K. and Sargsian, M. and Strikman, M. and Weiss, C.},
abstractNote = {The neutron's deep-inelastic structure functions provide essential information for the flavor separation of the nucleon parton densities, the nucleon spin decomposition, and precision studies of QCD phenomena in the flavor-singlet and nonsinglet sectors. Thus, traditional inclusive measurements on nuclear targets are limited by dilution from scattering on protons, Fermi motion and binding effects, final-state interactions, and nuclear shadowing at x << 0.1. An Electron-Ion Collider (EIC) would enable next-generation measurements of neutron structure with polarized deuteron beams and detection of forward-moving spectator protons over a wide range of recoil momenta (0 < pR << several 100 MeV in the nucleus rest frame). The free neutron structure functions could be obtained by extrapolating the measured recoil momentum distributions to the on-shell point. The method eliminates nuclear modifications and can be applied to polarized scattering, as well as to semi-inclusive and exclusive final states. We review the prospects for neutron structure measurements with spectator tagging at EIC, the status of R&D efforts, and the accelerator and detector requirements.},
doi = {10.1088/1742-6596/543/1/012007},
journal = {Journal of Physics. Conference Series},
number = ,
volume = 543,
place = {United States},
year = {Mon Oct 27 00:00:00 EDT 2014},
month = {Mon Oct 27 00:00:00 EDT 2014}
}
Web of Science
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Works referencing / citing this record:
Tensor-polarized structure function in the standard convolution description of the deuteron
journal, April 2017
- Cosyn, W.; Dong, Yu-Bing; Kumano, S.
- Physical Review D, Vol. 95, Issue 7
Standard convolution description of deuteron tensor spin structure
conference, November 2017
- Cosyn, Wim; Dong, Yu-bing; Kumano, Shunzo
- Proceedings of XXV International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2017)
Tagged spectator DIS on a polarized spin-1 target
preprint, January 2016
- Cosyn, W.; Sargsian, M.; Weiss, C.
- arXiv