EPJ Web Conf.
Volume 239, 2020ND 2019: International Conference on Nuclear Data for Science and Technology
|Number of page(s)||6|
|Section||Nuclear Reaction Theory, Models and Codes|
|Published online||30 September 2020|
Developments regarding three-body reaction channels within the R-matrix formalism
Atominstitut, TU Wien, Wiedner HauptstraBe 8-10, 1040 Vienna, Austria
Published online: 30 September 2020
At low incident energies of nucleon-induced reaction cross sections exhibit a striking resonance structure which cannot properly be described by (semi-) microscopic models. Usually R-matrix theory is applied which provides a sufficiently accurate but phenomenological description of the resonance region. However, standard R-matrix theory is only suited for two-particle channels. Three- and many-particle channels which may occur at rather low incident energies and are usually treated in approximative or effective way. In this contribution an extension to unequal masses of the R-matrix formulation of Glockle based on the Faddeev equation is performed and proper expressions for numerical implementation are given.
© The Authors, published by EDP Sciences, 2020
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