Neutron spin structure with polarized deuterons and spectator proton tagging at EIC

Cosyn, W.; Guzey, V.; Higinbotham, D. W.; Hyde, C.; Kuhn, S.; Nadel-Turonski, P.; Park, K.; Sargsian, M.; Strikman, M.; Weiss, C.

doi:10.1088/1742-6596/543/1/012007

Title: Neutron spin structure with polarized deuterons and spectator proton tagging at EIC

Journal Article · Mon Oct 27 00:00:00 EDT 2014 · Journal of Physics. Conference Series

DOI:https://doi.org/10.1088/1742-6596/543/1/012007· OSTI ID:1163965

Cosyn, W. ^[1]; Guzey, V. ^[2]; Higinbotham, D. W. ^[3]; Hyde, C. ^[4]; Kuhn, S. ^[4]; Nadel-Turonski, P. ^[3]; Park, K. ^[4]; Sargsian, M. ^[5]; Strikman, M. ^[6]; Weiss, C. ^[3]

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)

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.

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC05-06OR23177

OSTI ID:: 1163965

Report Number(s):: JLAB-THY-14-1955; arXiv:1409.5768; DOE/OR/23177-3183; R&D Project: 2013-LDRD-07

Journal Information:: Journal of Physics. Conference Series, Vol. 543; Conference: Tensor Polarized Solid Target Workshop, Newport News, VA (United States), 10-12 Mar 2014; ISSN 1742-6588

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 15 works

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Cited By (3)

Tensor-polarized structure function $b_{1}$ in the standard convolution description of the deuteron Cosyn, W.; Dong, Yu-Bing; Kumano, S. Physical Review D, Vol. 95, Issue 7 https://doi.org/10.1103/physrevd.95.074036	journal	April 2017
Standard convolution description of deuteron tensor spin structure Cosyn, Wim; Dong, Yu-bing; Kumano, Shunzo Proceedings of XXV International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2017) https://doi.org/10.22323/1.297.0113	conference	November 2017
Tagged spectator DIS on a polarized spin-1 target Cosyn, W.; Sargsian, M.; Weiss, C. arXiv https://doi.org/10.48550/arxiv.1609.01970	preprint	January 2016

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