Ab initio calculation of 7Li photodisintegration

descriptionPublicationkeyboard_double_arrow_right Article , Preprint 01 Dec 2004Embargo end date: 01 Jan 2004 Italy English Publisher:Elsevier BVJournal:Physics Letters B, volume 603, pages 159-164 (issn: 0370-2693,

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Authors: Bacca, Sonia; H. Arenhoevel; N. Barnea; Leidemann, Winfried; Orlandini, Giuseppina;

doi: 10.1016/j.physletb.2004.10.025 , 10.48550/arxiv.nucl-th/0406080

arXiv: nucl-th/0406080

handle: 11572/73424

Ab initio calculation of 7Li photodisintegration

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Abstract

The Li7 total photoabsorption cross section is calculated microscopically. As nucleon-nucleon interaction the semi-realistic central AV4' potential with S- and P-wave forces is taken. The interaction of the final 7-nucleon system is fully taken into account via the Lorentz Integral Transform (LIT) method. For the calculation of the LIT we use expansions in hyperspherical harmonics (HH) in conjunction with the HH effective interaction (EIHH) approach. The convergence of the LIT expansion is discussed in detail. The calculated cross section agrees quite well with the available experimental data, which cover an energy range from threshold up to 100 MeV.

11 pages with 3 figures

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Italy

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Keywords

Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences

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