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Nuclear Theory

arXiv:1311.3550 (nucl-th)
[Submitted on 14 Nov 2013 (v1), last revised 17 Jan 2014 (this version, v3)]

Title:Final-state interactions in inclusive deep-inelastic scattering from the deuteron

Authors:W. Cosyn, W. Melnitchouk, M. Sargsian
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Abstract:We explore the role of final-state interactions (FSI) in inclusive deep-inelastic scattering from the deuteron. Relating the inclusive cross section to the deuteron forward virtual Compton scattering amplitude, a general formula for the FSI contribution is derived in the generalized eikonal approximation, utilizing the diffractive nature of the effective hadron-nucleon interaction. The calculation uses a factorized model with a basis of three resonances with mass $W<2$ GeV and a continuum contribution for larger $W$ as the relevant set of effective hadron states entering the final-state interaction amplitude. The results show sizeable on-shell FSI contributions for Bjorken $x \gtrsim 0.6$ and $Q^2 \lesssim 10$ GeV$^2$, increasing in magnitude for lower $Q^2$, but vanishing in the high-$Q^2$ limit due to phase space constraints. The off-shell rescattering contributes at $x \gtrsim 0.8$ and is taken as an uncertainty on the on-shell result.
Comments: 29 pages, 8 figures. Version accepted for publication in PRC. Minor changes: some discussion in the introduction is slightly expanded (three typos in formulas corrected)
Subjects: Nuclear Theory (nucl-th); High Energy Physics - Phenomenology (hep-ph)
Report number: JLAB-THY-13-1820
Cite as: arXiv:1311.3550 [nucl-th]
  (or arXiv:1311.3550v3 [nucl-th] for this version)
  https://doi.org/10.48550/arXiv.1311.3550
Journal reference: Phys. Rev. C 89, 014612 (2014)
Related DOI: https://doi.org/10.1103/PhysRevC.89.014612

Submission history

From: Wim Cosyn [view email]
[v1] Thu, 14 Nov 2013 15:54:36 UTC (264 KB)
[v2] Fri, 27 Dec 2013 09:30:53 UTC (252 KB)
[v3] Fri, 17 Jan 2014 05:57:29 UTC (252 KB)
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