Ab initio calculation of 7Li photodisintegration

Sonia Bacca, Hartmuth Arenhövel, Nir Barnea, Winfried Leidemann, Giuseppina Orlandini

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The 7Li 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.

Original languageAmerican English
Pages (from-to)159-164
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3-4
StatePublished - 9 Dec 2004

Bibliographical note

Funding Information:
A large part of the numerical calculations have been performed at the computer centre CINECA (Bologna). This work was partially supported by the Deutsche Forschungsgemeinschaft (SFB 443). The work of N.B. was supported by the ISRAEL SCIENCE FOUNDATION (grant No. ). We furthermore would like to thank J. Ahrens for providing us with the experimental data.


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