Origin of relativistic effects in the reaction D(e, e{prime}p)n at GeV energies

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In a series of recent publications, a new approach to the non-relativistic reduction of the electromagnetic current operator in calculations of electro-nuclear reactions has been introduced. In one of these papers, the conjecture that at energies of a few GeV, the bulk of the relativistic effects comes from the current and not from the nuclear dynamics was made, based on the large relativistic effects in the transverse-longitudinal response. Here, the authors explicitly compare a fully relativistic, manifestly covariant calculation performed with the Gross equation, with a calculation that uses a non-relativistic wave function and a fully relativistic current operator. They ... continued below

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2011 KILOBYTES pages

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Jeschonnek, S. & Van Orden, J.W. November 1, 1999.

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In a series of recent publications, a new approach to the non-relativistic reduction of the electromagnetic current operator in calculations of electro-nuclear reactions has been introduced. In one of these papers, the conjecture that at energies of a few GeV, the bulk of the relativistic effects comes from the current and not from the nuclear dynamics was made, based on the large relativistic effects in the transverse-longitudinal response. Here, the authors explicitly compare a fully relativistic, manifestly covariant calculation performed with the Gross equation, with a calculation that uses a non-relativistic wave function and a fully relativistic current operator. They find very good agreement up to missing momenta of 400 MeV/c, thus confirming the previous conjecture. They discuss slight deviations in cross sections for higher missing momenta and their possible origin, namely p-wave contributions and off-shell effects.

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2011 KILOBYTES pages

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  • Journal Name: Physical Review C; Journal Volume: 62; Journal Issue: 044613 (2000); Other Information: Submitted to Physical Review C, Volume 62, No. 044613 (2000)

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  • Report No.: DOE/ER/40150-1438
  • Report No.: JLAB-THY-99-37
  • Report No.: nucl-th/9911063
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 755326
  • Archival Resource Key: ark:/67531/metadc707455

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • November 1, 1999

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  • Sept. 12, 2015, 6:31 a.m.

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  • Feb. 5, 2016, 8:53 p.m.

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Jeschonnek, S. & Van Orden, J.W. Origin of relativistic effects in the reaction D(e, e{prime}p)n at GeV energies, article, November 1, 1999; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc707455/: accessed May 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.