Results 61 to 70 of about 259,673 (312)
Low-energy neutron-deuteron reactions with N3LO chiral forces [PDF]
We solve three-nucleon Faddeev equations with nucleon-nucleon and three-nucleon forces derived consistently in the framework of chiral perturbation theory at next-to-next-to-next-to-leading order in the chiral expansion.
Bernard, V.+18 more
core +4 more sources
Antinucleon-nucleon interaction in chiral effective field theory
A study of the antinucleon-nucleon interaction within chiral effective theory is presented. This novel approach suggested by Weinberg for investigating nucleon-nucleon interaction can be adapted straightforwardly to the antinucleon-system.
Haidenbauer Johann
doaj +1 more source
Partially-Quenched Nucleon-Nucleon Scattering [PDF]
Nucleon-nucleon scattering is studied to next-to-leading order in a partially-quenched extension of an effective field theory used to describe multi-nucleon systems in QCD. The partially-quenched nucleon-nucleon amplitudes will play an important role in relating lattice simulations of the two-nucleon sector to nature.
arxiv +1 more source
Nonlocality of nucleon interaction and an anomalous off shell behavior of the two-nucleon amplitudes
The problem of the ultraviolet divergences that arise in describing the nucleon dynamics at low energies is considered. By using the example of an exactly solvable model it is shown that after renormalization the interaction generating nucleon dynamics ...
A. A. Mutygullina+9 more
core +1 more source
Reduction of neutrino - nucleon scattering rate by nucleon - nucleon collisions [PDF]
We studied possible modifications of the neutrino - nucleon scattering rate due to the nucleon - nucleon collisions in the hot dense matter which we find in the supernova core. We show that the finite width of the nucleon spectral function induced by the
Alm+38 more
core +2 more sources
A Review of the Intrinsic Heavy Quark Content of the Nucleon [PDF]
We present a review of the state of the art of our understanding of the intrinsic charm and bottom content of the nucleon. We discuss theoretical calculations, constraints from global analyses, and collider observables sensitive to the intrinsic heavy ...
S. Brodsky+5 more
semanticscholar +1 more source
Nucleon-nucleon interactions and observables [PDF]
A class of nucleon-nucleon interactions which are exactly phase equivalent to a given realistic nucleon-nucleon interaction are exhibited. These interaction have the property that the RMS radius of the deuteron can be made arbitrarily large without changing any of the scattering or bound-state observables.
openaire +3 more sources
Proton electromagnetic generalized polarizabilities
Electromagnetic polarizabilities are fundamental properties of the proton that characterize its response to an external electromagnetic (EM) field. The generalization of the EM polarizabilities to non-zero four-momentum transfer opens up a powerful path ...
N. Sparveris
doaj +1 more source
Time Dependence of Nucleon Correlation Functions in Chiral Perturbation Theory
We consider corrections to nucleon correlation functions arising from times that are far from the asymptotic limit. For such times, the single nucleon state is contaminated by the pion-nucleon and pion-delta continuum.
Brian C. Tiburzi, T. DeGrand
core +1 more source
Isotriplet pairing energy of nucleons in nuclei
The problem of describing the nucleon pairing energy in nuclei is considered using a realistic nucleon-nucleon potential that reproduces the parameters of nucleon-nucleon scattering.
F.M. Pen'kov+3 more
doaj