期刊
PHYSICS LETTERS B
卷 603, 期 3-4, 页码 159-164出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2004.10.025
关键词
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The Li-7 total photoabsorption cross section is calculated microscopically, using the semi-realistic AV4' nucleon-nucleon potential. 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 (C) 2004 Elsevier B.V. All rights reserved.
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