Inclusive electron-nucleus cross section within the self-consistent Green's function approach

N. Rocco and C. Barbieri
Phys. Rev. C 98, 025501 – Published 8 August 2018

Abstract

We present results for charge form factors, the point-proton, charge, and single-nucleon momentum distributions of He4 and O16 obtained within the self-consistent Green's function approach. The removal of the center-of-mass contribution for both nuclei has been performed by using a metropolis Monte Carlo algorithm in which the center-of-mass coordinate can be exactly subtracted from the optimal reference state wave function generated during the self-consistent Green's function calculations. The spectral functions of the same two nuclei have been used to compute inclusive electron-nucleus cross sections. The formalism adopted is based on the factorization of the spectral function and the nuclear transition matrix elements. This allows us to provide an accurate description of nuclear dynamics and to account for relativistic effects in the interaction vertex. When final-state interactions for the struck particle are accounted for, we find nice agreement between the data and the theory for the inclusive electron-O16 cross section. The results lay the foundations for future applications of the self-consistent Green's function method, in both closed and open shell nuclei, to neutrino data analysis.

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  • Received 13 March 2018
  • Revised 11 June 2018

DOI:https://doi.org/10.1103/PhysRevC.98.025501

©2018 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

N. Rocco and C. Barbieri

  • Department of Physics, University of Surrey, Guildford, GU2 7HX, United Kingdom

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Issue

Vol. 98, Iss. 2 — August 2018

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