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On the behavior of the nuclear spectral function at high momentum and removal energy |
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| Authors: | O Benhar S Fantoni GI Lykasov |
| Institution: | (1) Jefferson Laboratory, Newport News, VA 23606, USA, US;(2) Department of Physics, Old Dominion University, Norfolk, VA 23529, USA, US;(3) Interdisciplinary Laboratory for Advanced Studies (ILAS), US;(4) INFN, Sezione di Trieste. I-30014 Trieste, Italy, IT;(5) Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia, RU |
| Abstract: | We propose a procedure to extrapolate the nuclear spectral function P(|k|E) obtained from nonrelativistic many-body theory to large values of three-momentum and removal energy. Our approach is based on phenomenological information extracted from both soft hadron-nucleus interactions, in the regime where the proton inclusive spectrum is dictated by Regge asymptotic, and deep-inelastic lepton-nucleus collisions. The extrapolated P(|k|E) is used to compute the semi-inclusive spectra of backward protons produced in electron-nucleus scattering. Received: 1 December 1998 / Revised version: 19 January 1999 |
| Keywords: | PACS: 13 60 Le Meson production – 25 30 Fj Inelastic electron scattering to continuum – 25 30 Rw Electroproduction reactions |
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