نتایج جستجو برای: nucleon interaction
تعداد نتایج: 575587 فیلتر نتایج به سال:
The total photoabsorption cross sections of 6He and 6Li are calculated microscopically with full inclusion of the six-nucleon final state interaction using semirealistic nucleon-nucleon potentials. The Lorentz Integral Transform (LIT) method and the effective interaction approach for the hyperspherical formalism are employed. While 6Li has a single broad giant resonance peak, there are two well...
We give a review of recent progress on the application of the relativistic chiral SU (3) Lagrangian to meson-baryon scattering. It is shown that a combined chi-ral and 1/N c expansion of the Bethe-Salpeter interaction kernel leads to a good description of the kaon-nucleon, antikaon-nucleon and pion-nucleon scattering data typically up to laboratory momenta of p lab ≃ 500 MeV. We solve the covar...
Properties of dense nucleon matter and the structure of neutron stars are studied using variational chain summation methods and the new Argonne v18 two-nucleon interaction, which provides an excellent fit to all of the nucleonnucleon scattering data in the Nijmegen data base. The neutron star gravitational mass limit obtained with this interaction is 1.67M⊙ . Boost corrections to the two-nucleo...
The attractive nature of the antikaon-nucleon interaction suggests that few-body systems antikaons and nucleons can exist. author presents a new study exotic $\overline{K}\phantom{\rule{0}{0ex}}N\phantom{\rule{0}{0ex}}N\phantom{\rule{0}{0ex}}N$ system. Four-body Faddeev-type equations are used to evaluate binding energy width quasi-bound state in dependence results on two-body nucleon-nucleon i...
The Gamow-Teller resonances are discussed in the context of a selfconsistent RPA, based on the relativistic mean field theory. We inquire on the possibility of substituting the phenomenological Landau-Migdal force by a microscopic nucleon-nucleon interaction, generated from the rho-nucleon tensor coupling. The effect of this coupling turns out to be very small when the short range correlations ...
The equivalence of cut-off and conventionally renormalised effective field theories is demonstrated for the example of very low energy effective field theory for the nucleon-nucleon interaction. 03.65.Nk, 11.10.Gh, 12.39.Fe, 13.75.Cs. Typeset using REVTEX 1
We review many body calculations of the equation of state of dilute neutron matter in the context of effective field theories of the nucleon-nucleon interaction. PACS. 21.65.+f Nuclear Matter – 24.85.+p QCD in Nuclei
The nucleon-induced deuteron breakup reaction is studied within the Faddeev approach at incoming nucleon laboratory energies of 135 and 200 MeV. chiral semilocal momentum-space (SMS) potential developed up to N 4 LO + , supplemented by 2 three-nucleon interaction, used. Our investigation focused on determination theoretical uncertainties in a predicted cross section related its dependence value...
Abstract The microscopic mechanisms of the symmetry energy in nuclear matter are investigated framework relativistic Brueckner-Hartree-Fock (RBHF) model with a high-precision realistic potential, pvCDBonn A. kinetic and potential contributions to decomposed. They explicitly expressed by nucleon self-energies, which obtained through projecting G -matrices from RBHF into terms Lorentz covariants....
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