Dependence of the wave function of a bound nucleon on its momentum and the EMC effect

C. Ciofi degli Atti, L. L. Frankfurt, L. P. Kaptari, and M. I. Strikman
Phys. Rev. C 76, 055206 – Published 27 November 2007

Abstract

It is widely discussed in the literature that the wave function of the nucleon bound in a nucleus is modified by the interaction with the surrounding medium. We argue that the modification should strongly depend on the momentum of the nucleon. We study such an effect in the case of the pointlike configuration component of the wave function of a nucleon bound in a nucleus A, considering the case of arbitrary final states of the spectator A1 system. We show that for nonrelativistic values of the nucleon momentum, the momentum dependence of the nucleon deformation appears to follow from rather general considerations and discuss the implications of our theoretical observation for two different phenomena: (i) the search for medium-induced modifications of the nucleon radius of a bound nucleon through the measurement of the electromagnetic nucleon form factors via the A(e,e'p)X process and (ii) the A dependence of the EMC effect.

  • Figure
  • Received 28 June 2007

DOI:https://doi.org/10.1103/PhysRevC.76.055206

©2007 American Physical Society

Authors & Affiliations

C. Ciofi degli Atti

  • Department of Physics, University of Perugia and INFN Sezione di Perugia, Via A. Pascoli, I-06123 Perugia, Italy

L. L. Frankfurt

  • School of Physics and Astronomy, Tel Aviv University, 69978 Tel Aviv, Israel

L. P. Kaptari

  • Bogoliubov Laboratory of Theoretical Physics, RU-141980 JINR, Dubna, Russia and Department of Physics, University of Perugia and INFN Sezione di Perugia, Via A. Pascoli, I-06123 Perugia, Italy

M. I. Strikman

  • Department of Physics, Pennsylvania State University, University Park, Pennsylvania 16802, USA

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Issue

Vol. 76, Iss. 5 — November 2007

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