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- Centre National de la Recherche ScientifiqueFR264 papers
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14 papers · 1 filter
Three-body calculation of deuteron-nucleus scattering using microscopic global optical potential
A. Deltuva, D. Jurčiukonis, D. Likandrovas +1
We test microscopic global optical potential in three-body calculations of deuteron-nucleus scattering. We solve Faddeev-type equations for three-body transition operators. We calc…
Examination of the multiple-scattering expansion in the four-nucleon system
A. Deltuva
The elastic neutron- scattering at intermediate energies is studied using rigorous integral equations solved in the momentum-space partial-wave basis. The four-part…
Nonlocal optical potential with core excitation in and reactions
A. Deltuva, D. Jurčiukonis
We propose a new nonlocal form of the nucleon-nucleus optical potential and demonstrate its reliability. We extend the nonlocal potential to include the excitation of the nuclear c…
Signatures of the isobar in spin observables of electrodisintegration
A. Deltuva
The electrodisintegration of is considered focusing on the effects of the isobar excitation which is treated dynamically on the same footing as nucleons. In t…
Three-nucleon system: Irreducible and reducible contributions of the three-nucleon force
A. Deltuva, P. U. Sauer
The three-nucleon bound and scattering equations are solved in momentum space for a coupled-channel Hamiltonian. The Hamiltonian couples the purely nucleonic sector of Hilbert spac…
Efimov resonances above four-boson threshold
A. Deltuva
Four-boson Efimov physics is well known in the negative energy regime but far less above the four-body breakup threshold. The part of this region with negative two-boson scattering…