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Description of the proton and neutron radiative capture reactions in the Gamow shell model

Abstract : We formulate the Gamow shell model (GSM) in coupled-channel (CC) representation for the description of proton/neutron radiative capture reactions and present the first application of this new formalism for the calculation of cross-sections in mirror reactions 7 Be(p, γ) 8 B and 7 Li(n, γ) 8 Li. The GSM-CC formalism is applied to a translationally-invariant Hamiltonian with an effective finite-range two-body interaction. Reactions channels are built by GSM wave functions for the ground state 32 − and the first excited state 12 − of 7 Be/ 7 Li and the proton/neutron wave function expanded in different partial waves.
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Submitted on : Friday, February 6, 2015 - 9:38:45 AM
Last modification on : Thursday, February 1, 2018 - 1:25:42 AM

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K. Fossez, N. Michel, M. Ploszajczak, Y. Jaganathen. Description of the proton and neutron radiative capture reactions in the Gamow shell model. Physical Review C, American Physical Society, 2015, 91, pp.034609. ⟨10.1103/PhysRevC.91.034609⟩. ⟨in2p3-01113652⟩

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