Nuclear physics with a medium-energy Electron-Ion Collider

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A polarized ep/eA collider (Electron-Ion Collider, or EIC) with variable center-of-mass energy {radical}s {approx} 20-70 GeV and a luminosity {approx}10{sup 34} cm{sup -2} s{sup -1} would be uniquely suited to address several outstanding questions of Quantum Chromodynamics (QCD) and the microscopic structure of hadrons and nuclei: (i) the three-dimensional structure of the nucleon in QCD (sea quark and gluon spatial distributions, orbital motion, polarization, correlations); (ii) the fundamental color fields in nuclei (nuclear parton densities, shadowing, coherence effects, color transparency); (iii) the conversion of color charge to hadrons (fragmentation, parton propagation through matter, in-medium jets). We briefly review the conceptual ... continued below

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92 (8 pages)

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A. Accardi, V. Guzey, A. Prokudin, C. Weiss June 1, 2012.

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A polarized ep/eA collider (Electron-Ion Collider, or EIC) with variable center-of-mass energy {radical}s {approx} 20-70 GeV and a luminosity {approx}10{sup 34} cm{sup -2} s{sup -1} would be uniquely suited to address several outstanding questions of Quantum Chromodynamics (QCD) and the microscopic structure of hadrons and nuclei: (i) the three-dimensional structure of the nucleon in QCD (sea quark and gluon spatial distributions, orbital motion, polarization, correlations); (ii) the fundamental color fields in nuclei (nuclear parton densities, shadowing, coherence effects, color transparency); (iii) the conversion of color charge to hadrons (fragmentation, parton propagation through matter, in-medium jets). We briefly review the conceptual aspects of these questions and the measurements that would address them, emphasizing the qualitatively new information that could be obtained with the collider. Such a medium-energy EIC could be realized at Jefferson Lab after the 12 GeV Upgrade (MEIC), or at Brookhaven National Lab as the low-energy stage of eRHIC.

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92 (8 pages)

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  • Journal Name: The European Physical Journal, A; Journal Volume: 48; Journal Issue: 6

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  • Report No.: JLAB-THY-11-1445
  • Report No.: DOE/OR/23177-1852
  • Report No.: arXiv:1110.1031
  • Grant Number: AC05-06OR23177
  • DOI: 10.1140/epja/i2012-12092-7 | External Link
  • Office of Scientific & Technical Information Report Number: 1045207
  • Archival Resource Key: ark:/67531/metadc844914

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 2012

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  • May 19, 2016, 9:45 a.m.

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  • Aug. 3, 2016, 6:58 p.m.

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A. Accardi, V. Guzey, A. Prokudin, C. Weiss. Nuclear physics with a medium-energy Electron-Ion Collider, article, June 1, 2012; Newport News, Virginia. (https://digital.library.unt.edu/ark:/67531/metadc844914/: accessed August 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.