Results 11 to 20 of about 462,798 (325)

Nucleon-Nucleon Interactions on the Lattice [PDF]

open access: yesPhysics Letters B, 2002
We consider the nucleon-nucleon potential in quenched and partially-quenched QCD. The leading one-meson exchange contribution to the potential is found to fall off exponentially at long-distances, in contrast with the Yukawa-type behaviour found in QCD. This unphysical component of the two-nucleon potential has important implications for the extraction
S. Beane, M. Savage
semanticscholar   +8 more sources

Comparison of relativistic nucleon-nucleon interactions [PDF]

open access: yesPhysical Review C, 2000
We investigate the difference between those relativistic models based on interpreting a realistic nucleon-nucleon interaction as a perturbation of the square of a relativistic mass operator and those models that use the method of Kamada and Glo''ckle to ...
T. Allen, G. Payne, W. Polyzou
semanticscholar   +7 more sources

Dilepton production in nucleon-nucleon interactions☆ [PDF]

open access: yesNuclear Physics A, 1994
Starting from a realistic one--boson--exchange--model fitted to the amplitudes of elastic nucleon--nucleon scattering and the process $NN\rightarrow N $ we perform a fully relativistic and gauge invariant calculation for the dilepton production in nucleon--nucleon collisions, including the important effect of propagating the $ $--resonance.
M. Schäfer   +3 more
semanticscholar   +7 more sources

Similarity renormalization group for nucleon-nucleon interactions [PDF]

open access: yes, 2006
The similarity renormalization group (SRG) is based on unitary transformations that suppress off-diagonal matrix elements, forcing the Hamiltonian toward a band-diagonal form.
S. Bogner, R. Furnstahl, Robert J. Perry
semanticscholar   +5 more sources

Testing nonlocal nucleon-nucleon interactions in four-nucleon systems [PDF]

open access: yes, 2004
The Faddeev-Yakubovski equations are solved in configuration space for the {alpha}-particle and n-{sup 3}H continuum states. We test the ability of nonlocal nucleon-nucleon interaction models to describe 3N and 4N systems.
R. Lazauskas, J. Carbonell
semanticscholar   +5 more sources

Medium-mass nuclei from chiral nucleon-nucleon interactions. [PDF]

open access: yesPhysical Review Letters, 2008
We compute the binding energies, radii, and densities for selected medium-mass nuclei within coupled-cluster theory and employ a bare chiral nucleon-nucleon interaction at next-to-next-to-next-to-leading order.
Gaute Hagen   +4 more
semanticscholar   +3 more sources

Nucleon-nucleon interactions and observables [PDF]

open access: yesPhysical Review C, 1997
A class of nucleon-nucleon interactions which are exactly phase equivalent to a given realistic nucleon-nucleon interaction is exhibited. These interactions have the property that the rms radius of the deuteron can be made arbitrarily large without ...
W. Polyzou
semanticscholar   +5 more sources

Nucleon–nucleon interactions from effective field theory [PDF]

open access: yes, 2002
We have established a new convergent scheme to treat analytically nucleon–nucleon interactions from a chiral effective field theory. The Kaplan–Savage–Wise (KSW) amplitudes are resummed to fulfill the unitarity or right-hand cut to all orders below pion ...
J. A. Oller
semanticscholar   +5 more sources

A Phenomenological Nucleon-Nucleon Interaction [PDF]

open access: bronzeAustralian Journal of Physics, 1986
A phenomenological NN interaction has been developed in momentum space to fit the elastic scattering phase shifts, the deuteron properties and to saturate nuclear matter. The special features of this interaction are gaussian momentum dependent form factors and the use of only three mesons to characterise the phase shifts.
L. Berge, L. Petris
openalex   +4 more sources

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