Final-state interactions in semi-inclusive deep inelastic scattering off the Deuteron

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Semi-inclusive deep inelastic scattering off the Deuteron with production of a slow nucleon in recoil kinematics is studied in the virtual nucleon approximation, in which the final state interaction (FSI) is calculated within general eikonal approximation. The cross section is derived in a factorized approach, with a factor describing the virtual photon interaction with the off-shell nucleon and a distorted spectral function accounting for the final-state interactions. One of the main goals of the study is to understand how much the general features of the diffractive high energy soft rescattering accounts for the observed features of FSI in deep inelastic ... continued below

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014601 [12 pages]

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Wim Cosyn, Misak Sargsian July 1, 2011.

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Semi-inclusive deep inelastic scattering off the Deuteron with production of a slow nucleon in recoil kinematics is studied in the virtual nucleon approximation, in which the final state interaction (FSI) is calculated within general eikonal approximation. The cross section is derived in a factorized approach, with a factor describing the virtual photon interaction with the off-shell nucleon and a distorted spectral function accounting for the final-state interactions. One of the main goals of the study is to understand how much the general features of the diffractive high energy soft rescattering accounts for the observed features of FSI in deep inelastic scattering (DIS). Comparison with the Jefferson Lab data shows good agreement in the covered range of kinematics. Most importantly, our calculation correctly reproduces the rise of the FSI in the forward direction of the slow nucleon production angle. By fitting our calculation to the data we extracted the W and Q{sup 2} dependences of the total cross section and slope factor of the interaction of DIS products, X, off the spectator nucleon. This analysis shows the XN scattering cross section rising with W and decreasing with an increase of Q{sup 2}. Finally, our analysis points at a largely suppressed off-shell part of the rescattering amplitude.

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014601 [12 pages]

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  • Journal Name: Physical Review, C (Nuclear Physics); Journal Volume: 84; Journal Issue: 1

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  • Report No.: JLAB-THY-11-1430
  • Report No.: DOE/OR/23177-1856
  • Report No.: arXiv:1012.0293
  • Grant Number: FG02-01ER41172
  • Grant Number: AC05-06OR23177
  • DOI: 10.1103/PhysRevC.84.014601 | External Link
  • Office of Scientific & Technical Information Report Number: 1026847
  • Archival Resource Key: ark:/67531/metadc839817

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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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  • July 1, 2011

Added to The UNT Digital Library

  • May 19, 2016, 3:16 p.m.

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  • Aug. 3, 2016, 6:29 p.m.

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Wim Cosyn, Misak Sargsian. Final-state interactions in semi-inclusive deep inelastic scattering off the Deuteron, article, July 1, 2011; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc839817/: accessed April 26, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.