Extensions of superscaling from relativistic mean field theory: The SuSAv2 model

R. González-Jiménez, G. D. Megias, M. B. Barbaro, J. A. Caballero, and T. W. Donnelly
Phys. Rev. C 90, 035501 – Published 15 September 2014

Abstract

We present a systematic analysis of the quasielastic scaling functions computed within the relativistic mean field (RMF) theory and we propose an extension of the superscaling approach (SuSA) model based on these results. The main aim of this work is to develop a realistic and accurate phenomenological model (SuSAv2), which incorporates the different RMF effects in the longitudinal and transverse nuclear responses, as well as in the isovector and isoscalar channels. This provides a complete set of reference scaling functions to describe in a consistent way both (e,e) processes and the neutrino/antineutrino-nucleus reactions in the quasielastic region. A comparison of the model predictions with electron and neutrino scattering data is presented.

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  • Received 24 July 2014

DOI:https://doi.org/10.1103/PhysRevC.90.035501

©2014 American Physical Society

Authors & Affiliations

R. González-Jiménez1,*, G. D. Megias1, M. B. Barbaro2, J. A. Caballero1, and T. W. Donnelly3

  • 1Departamento de Física Atómica, Molecular y Nuclear, Universidad de Sevilla, 41080 Sevilla, Spain
  • 2Dipartimento di Fisica, Università di Torino and INFN, Sezione di Torino, 10125 Torino, Italy
  • 3Center for Theoretical Physics, Laboratory for Nuclear Science and Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

  • *raugj@us.es

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Vol. 90, Iss. 3 — September 2014

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