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We consider nucleon-nucleon (NN) interactions from chiral effective field theory. In this work we restrict ourselves to the elastic NN scattering. We apply the N/D method to calculate the NN partial waves taking as input the one-pion…

Nuclear Theory · Physics 2015-05-28 M. Albaladejo , J. A. Oller

We review the major progress of the past decade concerning our understanding of the nucleon-nucleon interaction. The focus is on the low-energy region (below pion production threshold), but a brief outlook towards higher energies is also…

Nuclear Theory · Physics 2009-11-07 R. Machleidt , I. Slaus

The present study brings forward important information, within the framework of spectral distribution theory, about the types of forces that dominate three realistic interactions, CD-Bonn, CDBonn+ 3terms and GXPF1, in nuclei and their…

Nuclear Theory · Physics 2007-05-23 K. D. Sviratcheva , J. P. Draayer , J. P. Vary

We present a novel scheme for nuclear structure calculations based on realistic nucleon-nucleon potentials. The essential ingredient is the explicit treatment of the dominant interaction-induced correlations by means of the Unitary…

Nuclear Theory · Physics 2009-11-10 R. Roth , T. Neff , H. Hergert , H. Feldmeier

We study the nucleon-nucleon (NN) problem as a six-quark system in a nonrelativistic chiral constituent quark model where the Hamiltonian contains a linear confinement and a pseudoscalar meson (Goldstone boson) exchange interaction between…

Nuclear Theory · Physics 2009-10-31 D. Bartz , Fl. Stancu

A unitarized nonrelativistic meson model which is successful for the description of the heavy and light vector and pseudoscalar mesons yields, in its extension to the scalar mesons but for the same model parameters, a complete nonet below 1…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. van Beveren , T. A. Rijken , K. Metzger , C. Dullemond , G. Rupp , J. E. Ribeiro

A spin-isospin dependent Three-Dimensional approach based on momentum vectors for formulation of the three-nucleon bound state is presented in this paper. The three-nucleon Faddeev equations with two-nucleon interactions are formulated as a…

Nuclear Theory · Physics 2008-11-26 S. Bayegan , M. R. Hadizadeh , M. Harzchi

Beta-decay and muon-capture experiments in nuclei are reviewed. The conserved vector current hypothesis is confirmed through the observed constancy of the vector coupling constant determined from the superallowed Fermi transitions and from…

Nuclear Theory · Physics 2016-11-03 I. S. Towner , J. C. Hardy

A momentum-dependent mean field potential, suitable for application in the transport-model description of nucleus-nucleus collisions, is derived in a microscopic way. The derivation is based upon the Bonn meson-exchange model for the…

Nuclear Theory · Physics 2008-11-26 G. Q. Li , R. Machleidt

The two-pion production in nucleon-nucleon collisions has been studied by exclusive and kinematically complete experiments from threshold up to $T_p$ = 1.36 GeV at CELSIUS-WASA. At near-threshold energies the total and differential…

Nuclear Experiment · Physics 2015-05-18 T. Skorodko , M. Bashkanov , H. Clement , E. Doroshkevich , O. Khakimova , F. Kren , A. Pricking , G. J. Wagner

We study the effect of the density dependence of the scalar and the vector part of the nucleonic self-energy in Relativistic Quantum Molecular Dynamics (RQMD) on observables like the transversal flow and the rapidity distribution. The…

Nuclear Theory · Physics 2007-05-23 T. Kubo , E. Lehmann , Amand Faessler , Rajeev K. Puri , N. Ohtsuka , K. Tsushima , J. Zipprich , S. W. Huang

The one solitary boson exchange potential (OSBEP) is used to evaluate observables of NN elastic scattering below pion threshold. In this approach, we use a nonlinear model of self-interacting mesons as a substitution for the commonly used…

Nuclear Theory · Physics 2008-11-26 L. Jaede , H. V. von Geramb

Nucleon-nucleon interactions, both bare and effective, play an important role in our understanding of the non-perturbative strong interaction, as well as nuclear structure and reactions. In recent years, tremendous efforts have been seen in…

Nuclear Theory · Physics 2020-09-30 Qian-Qian Bai , Chun-Xuan Wang , Yang Xiao , Li-Sheng Geng

Realistic nuclear potentials, derived within chiral perturbation theory, are a major breakthrough in modern nuclear structure theory, since they provide a direct link between nuclear physics and its underlying theory, namely the QCD. As a…

Nuclear Theory · Physics 2016-05-18 L. Coraggio , A. Gargano , J. W. Holt , N. Itaco , R. Machleidt , L. E. Marcucci , F. Sammarruca

Weak pion production off the nucleon at low energies has been systematically investigated in manifestly relativistic baryon chiral perturbation theory with explicit inclusion of the $\Delta$(1232) resonance. Most of the involved low-energy…

High Energy Physics - Phenomenology · Physics 2018-10-10 De-Liang Yao , Luis Alvarez-Ruso , Astrid N. Hiller Blin , M. J. Vicente Vacas

I overview our recent activity with the Argonne-Osaka dynamical coupled-channels (DCC) approach that provides a unified description of various electroweak meson productions on single nucleon and nucleus. First I discuss the DCC model of a…

Nuclear Theory · Physics 2020-08-26 Satoshi X. Nakamura

Embedded in the historical context, we review recent progress in the development of nucleon-nucleon (NN) potentials based upon chiral effective field theory. A major breakthrough is the construction of the first NN potential at…

Nuclear Theory · Physics 2015-06-26 R. Machleidt , D. R. Entem

The NN results are presented from the extended-soft-core (ESC) interactions. They cosist of local- and non-local-potentials due to (i) one-boson-exchange (OBE), pseudo-scalar-, vector-, scalar-, and axial-vector-nonets, (ii) diffractive…

Nuclear Theory · Physics 2008-11-26 Th. A. Rijken

We analyse the SM97 partial wave amplitudes for nucleon--nucleon (NN) scattering to 2.5 GeV, in which resonance and meson production effects are evident for energies above pion production threshold. Our analyses are based upon boson…

Nuclear Theory · Physics 2008-11-26 H. V. von Geramb , K. A. Amos , H. Labes , M. Sander

The multipole response of neutron rich O and Sn isotopes is computed in Tamm-Dancoff and random-phase approximations using the canonical Hartree-Fock-Bogoliubov quasi-particle basis. The calculations are performed using an intrinsic…

Nuclear Theory · Physics 2014-12-08 D. Bianco , F. Knapp , N. Lo Iudice , P. Vesely , F. Andreozzi , G. De Gregorio , A. Porrino
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