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30 papers · 1 filter
Nonlocal calculation for nonstrange dibaryons and tribaryons
R. D. Mota, A. Valcarce, F. Fernández +2
We study the possible existence of nonstrange dibaryons and tribaryons by solving the bound-state problem of the two- and three-body systems composed of nucleons and deltas. The tw…
Vertex integrals in heavy-particle theories
Antonio O. Bouzas
We give the results of complete analytical computations of two- and three-point loop integrals ocurring in heavy particle theories, with and without velocity change, for arbitrary…
Deformation Quantization of Geometric Quantum Mechanics
H. Garcia-Compean, J. F. Plebanski, M. Przanowski +1
Second quantization of a classical nonrelativistic one-particle system as a deformation quantization of the Schrodinger spinless field is considered. Under the assumption that the…
Hydrodynamics of galactic dark matter
Luis G. Cabral-Rosetti, Tonatiuh Matos, Dario Nuñez +1
We consider simple hydrodynamical models of galactic dark matter in which the galactic halo is a self-gravitating and self-interacting gas that dominates the dynamics of the galaxy…
Updating V_us from kaon semileptonic decays
G. Calderon, G. Lopez Castro
We update the determination of |V_us| using semielectronic and semimuonic decays of K mesons. A modest improvement of 15% with respect to its present value is obtained for the erro…
Hamiltonian Frenet-Serret dynamics
Riccardo Capovilla, Jemal Guven, Efrain Rojas
The Hamiltonian formulation of the dynamics of a relativistic particle described by a higher-derivative action that depends both on the first and the second Frenet-Serret curvature…