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Density-dependent nucleon-nucleon interaction from three-nucleon forces
Density-dependent nucleon-nucleon interaction three-nucleon forces
2011/1/6
Microscopic calculations based on realistic nuclear hamiltonians, while yielding accurate results for the energies of the ground and low-lying excited states of nuclei with A ≤ 12, fail to reproduce t...
Nucleon, Delta and Omega excited state spectra at three pion mass values
Nucleon Delta Omega excited state spectra three pion mass values
2011/1/13
The energies of the excited states of the Nucleon, D and W are computed in lattice QCD, using
two light quarks and one strange quark on anisotropic lattices. The calculations are performed at three v...
Nucleon and $N^* (1535)$ Distribution Amplitudes
Nucleon $N^* (1535)$ Distribution Amplitudes
2011/1/13
The QCDSF collaboration has investigated the distribution amplitudes and wavefunction normalization constants of the nucleon and its parity partner, the N∗(1535). We report on recent progress in...
The study of the Three Nucleon Force in full QCD Lattice calculations
Three Nucleon Force full QCD Lattice calculations
2011/1/13
We study the three nucleon force in the triton channel using dynamical clover fermion lattice
QCD. The Nambu-Bethe-Salpeter wave function is utilized to obtain the potentials among three
nucleons.
Analysis of three-nucleon forces effects in the $A=3$ system
Analysis of three-nucleon forces effects $A=3$ system
2011/1/6
Using modern nucleon-nucleon interactions in the description of the A = 3, 4 nuclear systems the 2 per datum results to be much bigger than one. In particular it is not possible to reproduce the thre...
Strangeness in the nucleon from a mixed action calculation
Strangeness nucleon mixed action calculation
2011/1/14
The contributions of strange quarks to the nucleon mass and the nucleon spin are investigated in a mixed action scheme employing domain wall valence quarks and quark loops on MILC asqtad
dynamical fe...
Density-dependent nuclear interactions and the beta decay of 14C: chiral three-nucleon forces and Brown-Rho scaling
Effective field theory at finite density chiral three-nucleon force Brown-Rho scaling
2011/1/7
We study the role of density-dependent low-momentum nucleon-nucleon interactions in describing the anomalously long beta decay lifetime of 14C. We approach this problem both from the perspective of ch...