Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1999-09-22
Phys.Atom.Nucl. 64 (2001) 482-493; Yad.Fiz. 64 (2001) 536-547
Physics
Nuclear Physics
Nuclear Theory
10 pages, Latex, style file is included, 7 ps figures, to appear in Proc. of the 2nd Int. Conf. on Perspectives in Hadronic Ph
Scientific paper
10.1134/1.1358473
Inclusive electromagnetic reactions in few-nucleon systems are studied basing on accurate three- and four-body calculations. The longitudinal 4He(e,e') response function obtained at q\le 600 MeV/c completely agrees with experiment. The exact 4He spectral function obtained in a semirealistic potential model is presented, and the accuracy of the quasielastic response calculated with its help is assessed, as well as the accuracy of some simpler approximations for the response. The photodisintegration cross section of 3He obtained with the realistic AV14 NN force plus UrbanaVIII NNN force agrees with experiment. It is shown that this cross section is very sensitive to underlying nuclear dynamics in the E_\gamma\simeq 70-100 MeV region. In particular, the NNN nuclear force clearly manifests itself in this region.
Efros Victor D.
Leidemann Winfried
Orlandini Giuseppina
Tomusiak Edward L.
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