Unfactorized versus factorized calculations for {sup 2}H(e,e{prime}p) reactions at GeV energies

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In the literature, one often finds calculations of (e,e{prime}p) reactions at GeV energies using the factorization approach. Factorization implies that the differential cross section can be written as the product of an off-shell electron-proton cross section and a distorted missing momentum distribution. While this factorization appears in the non-relativistic plane wave impulse approximation, it is broken in a more realistic approach. The main source of factorization breaking are final state interactions. In this paper, sources of factorization breaking are identified and their numerical relevance is examined in the reaction {sup 2}H(e,e{prime}p) for various kinematic settings in the GeV regime. The ... continued below

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161 Kilobytes pages

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Jeschonnek, Sabinne September 1, 2000.

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In the literature, one often finds calculations of (e,e{prime}p) reactions at GeV energies using the factorization approach. Factorization implies that the differential cross section can be written as the product of an off-shell electron-proton cross section and a distorted missing momentum distribution. While this factorization appears in the non-relativistic plane wave impulse approximation, it is broken in a more realistic approach. The main source of factorization breaking are final state interactions. In this paper, sources of factorization breaking are identified and their numerical relevance is examined in the reaction {sup 2}H(e,e{prime}p) for various kinematic settings in the GeV regime. The results imply that factorization should not be used for precision calculations, especially as unfactorized calculations are available.

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161 Kilobytes pages

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  • Report No.: JLAB-THY-00-31
  • Report No.: DOE/ER/40150-1750
  • Report No.: nucl-th/0009086
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 764807
  • Archival Resource Key: ark:/67531/metadc715564

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  • September 1, 2000

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  • Sept. 29, 2015, 5:31 a.m.

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  • Feb. 5, 2016, 8:42 p.m.

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Jeschonnek, Sabinne. Unfactorized versus factorized calculations for {sup 2}H(e,e{prime}p) reactions at GeV energies, article, September 1, 2000; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc715564/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.