Neutron spin structure with polarized deuterons and spectator proton tagging at EIC
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. Traditional inclusive measurements on nu...
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| Veröffentlicht in: | Journal of physics. Conference series 2014-10, Vol.543 (1), p.12007-9 |
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| container_title | Journal of physics. Conference series |
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| creator | Cosyn, W Guzey, V Higinbotham, D W Hyde, C Kuhn, S Nadel-Turonski, P Park, K Sargsian, M Strikman, M Weiss, C |
| description | 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. 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 100MeV 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_str_mv | 10.1088/1742-6596/543/1/012007 |
| format | Article |
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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 100MeV 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.</description><identifier>ISSN: 1742-6588</identifier><identifier>EISSN: 1742-6596</identifier><identifier>DOI: 10.1088/1742-6596/543/1/012007</identifier><language>eng</language><publisher>Bristol: IOP Publishing</publisher><subject>Density ; Detectors ; Deuterons ; Dilution ; Flavor (particle physics) ; Ion beams ; Marking ; Neutrons ; NUCLEAR PHYSICS AND RADIATION PHYSICS ; Nucleons ; Partons ; Physics ; Protons ; Recoil ; Scattering ; Spectators ; Spin structure</subject><ispartof>Journal of physics. Conference series, 2014-10, Vol.543 (1), p.12007-9</ispartof><rights>2014. This work is published under http://creativecommons.org/licenses/by/3.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3067-4ea30332fc62ef033ac7a9eb1e54438903a41b1759365f48aa2498db1c1a38953</citedby><cites>FETCH-LOGICAL-c3067-4ea30332fc62ef033ac7a9eb1e54438903a41b1759365f48aa2498db1c1a38953</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1163965$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Cosyn, W</creatorcontrib><creatorcontrib>Guzey, V</creatorcontrib><creatorcontrib>Higinbotham, D W</creatorcontrib><creatorcontrib>Hyde, C</creatorcontrib><creatorcontrib>Kuhn, S</creatorcontrib><creatorcontrib>Nadel-Turonski, P</creatorcontrib><creatorcontrib>Park, K</creatorcontrib><creatorcontrib>Sargsian, M</creatorcontrib><creatorcontrib>Strikman, M</creatorcontrib><creatorcontrib>Weiss, C</creatorcontrib><creatorcontrib>Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)</creatorcontrib><title>Neutron spin structure with polarized deuterons and spectator proton tagging at EIC</title><title>Journal of physics. Conference series</title><description>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. 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 100MeV 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.</description><subject>Density</subject><subject>Detectors</subject><subject>Deuterons</subject><subject>Dilution</subject><subject>Flavor (particle physics)</subject><subject>Ion beams</subject><subject>Marking</subject><subject>Neutrons</subject><subject>NUCLEAR PHYSICS AND RADIATION PHYSICS</subject><subject>Nucleons</subject><subject>Partons</subject><subject>Physics</subject><subject>Protons</subject><subject>Recoil</subject><subject>Scattering</subject><subject>Spectators</subject><subject>Spin structure</subject><issn>1742-6588</issn><issn>1742-6596</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkcFPwyAUxonRxDn9F0yjFy-1PKDQHs0ydcmiB_VMGKVbl65UoDH610tTs4PvwPuS94N8vA-ha8D3gIsiA8FIyvOSZzmjGWQYCMbiBM2Og9OjLopzdOH9HmMaS8zQ24sZgrNd4vsmHsENOgzOJF9N2CW9bZVrfkyVVJEyEfOJ6qrIGh1UsC7pnQ3xclDbbdNtExWS5Wpxic5q1Xpz9dfn6ONx-b54TtevT6vFwzrVFHORMqNotEFqzYmpo1JaqNJswOSM0aLEVDHYgMhLyvOaFUoRVhbVBjSoOM7pHN1M71ofGul1E4zeadt10Z0E4LTkI3Q3QdHq52B8kIfGa9O2qjN28BIEFKUAIUREb_-hezu4Ln5BklxwQUrGSaT4RGlnvXemlr1rDsp9S8ByDESOu5bj3mUMRIKcAqG_fiN8tg</recordid><startdate>20141027</startdate><enddate>20141027</enddate><creator>Cosyn, W</creator><creator>Guzey, V</creator><creator>Higinbotham, D W</creator><creator>Hyde, C</creator><creator>Kuhn, S</creator><creator>Nadel-Turonski, P</creator><creator>Park, K</creator><creator>Sargsian, M</creator><creator>Strikman, M</creator><creator>Weiss, C</creator><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>H8D</scope><scope>HCIFZ</scope><scope>L7M</scope><scope>P5Z</scope><scope>P62</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7U5</scope><scope>8BQ</scope><scope>JG9</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20141027</creationdate><title>Neutron spin structure with polarized deuterons and spectator proton tagging at EIC</title><author>Cosyn, W ; 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| subjects | Density Detectors Deuterons Dilution Flavor (particle physics) Ion beams Marking Neutrons NUCLEAR PHYSICS AND RADIATION PHYSICS Nucleons Partons Physics Protons Recoil Scattering Spectators Spin structure |
| title | Neutron spin structure with polarized deuterons and spectator proton tagging at EIC |
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