FIZIKA B 13 (2004)  2, 585-592

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REALISTIC CALCULATIONS OF CORRELATIONS AND FINAL-STATE INTERACTION EFFECTS IN THE A(e,ep)X PROCESS OFF COMPLEX NUCLEI

M. ALVIOLIa, C. CIOFI degli ATTIa and H. MORITAb

aDepartment of Physics, University of Perugia, and Istituto Nazionale di Fisica Nucleare, Sezione di Perugia, Via A. Pascoli, I-06100 Perugia, Italy
bSapporo Gakuin University, Bunkyo-dai 11, Ebetsu 069, Hokkaido, Japan

Received 20 September 2003;   Accepted 26 April 2004
Online 22 November 2004

A linked cluster expansion for the calculation of ground-state observables of complex nuclei with realistic interactions has been used to calculate the ground-state energy, density and momentum distribution of 16O and 40Ca. Using the same cluster expansion and the wave function and correlation parameters obtained from the energy calculation, we have evaluated the semi inclusive reaction A(e,ep)X taking final-state interaction (FSI) into account by a Glauber-type approach; the comparison between the distorted and undistorted momentum distributions provides an estimate of the transparency of the nuclear medium to the propagation of the hit proton. The effect of color transparency is also included by considering the finite formation time (FFT) that the hit hadron needs to reach its asymptotic physical state.

PACS numbers: 25.20.-x,21.10.Dr
UDC 539.12

Keywords: 16O and 40Ca, ground state, density and momentum distribution, final-state interaction, color transparency

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