Low-energy excitations and quasielastic contribution to electron-nucleus and neutrino-nucleus scattering in the continuum random-phase approximation

V. Pandey, N. Jachowicz, T. Van Cuyck, J. Ryckebusch, and M. Martini
Phys. Rev. C 92, 024606 – Published 7 August 2015

Abstract

We present a detailed study of a continuum random-phase approximation approach to quasielastic electron-nucleus and neutrino-nucleus scattering. We compare the (e,e) cross-section predictions with electron scattering data for the nuclear targets C12, O16, and Ca40, in the kinematic region where quasielastic scattering is expected to dominate. We examine the longitudinal and transverse contributions to C12(e,e) and compare them with the available data. We find an overall satisfactory description of the (e,e) data. Further, we study the C12(νμ,μ) cross sections relevant for accelerator-based neutrino-oscillation experiments. We pay special attention to low-energy excitations which can account for non-negligible contributions in measurements, and require a beyond-Fermi-gas formalism.

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  • Received 15 December 2014
  • Revised 16 July 2015

DOI:https://doi.org/10.1103/PhysRevC.92.024606

©2015 American Physical Society

Authors & Affiliations

V. Pandey*, N. Jachowicz, T. Van Cuyck, J. Ryckebusch, and M. Martini

  • Department of Physics and Astronomy, Ghent University, Proeftuinstraat 86, B-9000 Ghent, Belgium

  • *Vishvas.Pandey@UGent.be
  • Natalie.Jachowicz@UGent.be

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Vol. 92, Iss. 2 — August 2015

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