English
Related papers

Related papers: Forging the Link between Nuclear Reactions and Nuc…

200 papers

A review of recent applications of the nonlocal dispersive optical model (DOM) is presented that allows a simultaneous description of nuclear structure and nuclear reactions. An assessment of the quality of the resulting potentials for…

Nuclear Theory · Physics 2021-02-03 W. H. Dickhoff , M. C. Atkinson

The dispersive optical model (DOM) is employed to simultaneously describe elastic nucleon scattering data for ${}^{40}$Ca, ${}^{48}$Ca, and ${}^{208}$Pb as well as observables related to the ground state of these nuclei, with emphasis on…

Nuclear Theory · Physics 2019-10-02 W. H. Dickhoff

A comprehensive description of all single-particle properties associated with the nucleus ${}^{40}$Ca is generated by employing a nonlocal dispersive optical potential capable of simultaneously reproducing all relevant data above and below…

Nuclear Theory · Physics 2014-04-30 M. H. Mahzoon , R. J. Charity , W. H. Dickhoff , H. Dussan , S. J. Waldecker

Present applications of the dispersive-optical-model analysis are restricted by the use of a local but energy-dependent version of the generalized Hartree-Fock potential. This restriction is lifted by the introduction of a corresponding…

Nuclear Theory · Physics 2010-12-02 W. H. Dickhoff , D. Van Neck , S. J. Waldecker , R. J. Charity , L. G. Sobotka

A review of recent developments of the dispersive optical model (DOM) is presented. Starting from the original work of Mahaux and Sartor, several necessary steps are developed and illustrated which increase the scope of the DOM allowing its…

Nuclear Theory · Physics 2017-03-08 W. H. Dickhoff , R. J. Charity , M. H. Mahzoon

Employing a recently-developed dispersive optical model (DOM) which allows a complete description of experimental data both above (up to 200 MeV) and below the Fermi energy in $^{40}$Ca, we demonstrate that elastic nucleon-nucleus…

Nuclear Theory · Physics 2015-02-20 H. Dussan , M. H. Mahzoon , R. J. Charity , W. H. Dickhoff , A. Polls

We present the empirical dispersive optical model (DOM) as applied to direct nuclear reactions. The DOM links both scattering and bound-state experimental data through a dispersion relation which allows for fully-consistent, data-informed…

Nuclear Theory · Physics 2024-10-15 M. C. Atkinson , W. H. Dickhoff

The dispersive optical model (DOM) as presently implemented can investigate the isospin (nucleon asymmetry) dependence of the Hartree-Fock-like potential relevant for nucleons near the Fermi energy. Data constraints indicate that a…

Nuclear Theory · Physics 2015-06-16 R. J. Charity , W. H. Dickhoff , L. G. Sobotka , S. J. Waldecker

A brief overview of various approaches to the optical-model description of nuclei is presented. A survey of some of the formal aspects is given which links the Feshbach formulation for either the hole or particle Green's function to the…

Nuclear Theory · Physics 2019-03-27 Willem H. Dickhoff , Robert J. Charity

The nonlocal implementation of the dispersive optical model (DOM) provides all the ingredients for distorted-wave impulse-approximation (DWIA) calculations of the $(e,e'p)$ reaction. It provides both the overlap function, including its…

Nuclear Theory · Physics 2018-11-08 M. C. Atkinson , H. P. Blok , L. Lapikás , R. J. Charity , W. H. Dickhoff

A recently derived dispersive optical model potential (DOMP) for $^{208}$Pb is extended to consider the non-locality in the real potential and the shell-gap in the definition of the nuclear imaginary potentials near the Fermi energy. The…

Nuclear Theory · Physics 2020-07-01 Xiuniao Zhao , Weili Sun , R. Capote , E. Sh. Soukhovitski\~ı , D. S. Martyanov , J. M. Quesada

A comprehensive description of all single-particle properties associated with the nucleus ${}^{40}$Ca has been generated by employing a nonlocal dispersive optical potential capable of simultaneously reproducing all relevant data above and…

Nuclear Theory · Physics 2013-12-18 M. H. Mahzoon , R. J. Charity , W. H. Dickhoff , H. Dussan , S. J. Waldecker

An overview is presented of neutron skin predictions obtained using an empirical nonlocal dispersive optical model (DOM). The DOM links both scattering and bound-state experimental data through a subtracted dispersion relation which allows…

Nuclear Theory · Physics 2024-09-24 M. C. Atkinson , W. H. Dickhoff

Both ($e$,$e'p$) and ($p$,$2p$) reactions have been performed to study the proton single-particle character of nuclear states with its related spectroscopic factor. Recently, the dispersive optical model (DOM) was applied to the ($e$,$e'p$)…

Nuclear Theory · Physics 2022-01-24 K. Yoshida , M. C. Atkinson , K. Ogata , W. H. Dickhoff

Nucleon self-energies for 40Ca, 48Ca, 60Ca isotopes are generated with the microscopic Faddeev-random-phase approximation (FRPA). These self-energies are compared with potentials from the dispersive optical model (DOM) that were obtained…

Nuclear Theory · Physics 2015-05-28 S. J. Waldecker , C. Barbieri , W. H. Dickhoff

The nucleon self-energies of $^{40}$Ca and $^{48}$Ca are determined using a nonlocal dispersive optical model (DOM). By enforcing the dispersion relation connecting the real and imaginary part of the self-energy, scattering and structure…

Nuclear Theory · Physics 2019-10-25 M. C. Atkinson , W. H. Dickhoff

A nonlocal dispersive-optical-model analysis has been carried out for neutrons and protons in $^{208}$Pb. Elastic-scattering angular distributions, total and reaction cross sections, single-particle energies, the neutron and proton numbers,…

The nonlocal dispersive optical model (NLDOM) nucleon potentials are used for the first time in the adiabatic analysis of a (d,p) reaction to generate distorted waves both in the entrance and exit channels. These potentials were designed…

Nuclear Theory · Physics 2016-10-04 S. J. Waldecker , N. K. Timofeyuk

Elastic scattering is a very important process to understand nuclear interactions in finite nuclei. Despite decades of efforts, the goal of reaching a coherent description of this physical process in terms of microscopic forces is still far…

Nuclear Theory · Physics 2018-12-12 Matteo Vorabbi , Paolo Finelli , Carlotta Giusti

Exploration of structure-property relationships as a function of dopant concentration is commonly based on mean field theories for solid solutions. However, such theories that work well for semiconductors tend to fail in materials with…

‹ Prev 1 2 3 10 Next ›