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14 papers · 2 filters
Violation of Equivalence Principle and Solar Neutrinos
A. M. Gago, H. Nunokawa, R. Zukanovich Funchal
We have updated the analysis for the solution to the solar neutrino problem by the long-wavelength neutrino oscillations induced by a tiny breakdown of the weak equivalence princip…
Low Energy Pion-Hyperon Interaction
Celso de Camargo Barros Junior, Yogiro Hama
We study the low energy pion-hyperon interaction considering effective non-linear chiral invariant Lagrangians including pions, rho mesons, hyperons and corresponding resonances. T…
How Hard Are the Form Factors in Hadronic Vertices with Heavy Mesons?
F. O. Durães, F. S. Navarra, M. Nielsen
The and form factors are evaluated in a full QCD sum rule calculation. We study the double Borel sum rule for the three point function of one meson one nucleon an…
Quest for the dynamics of conversion
A. M. Gago, E. M. Santos, W. J. C. Teves +1
We perform a quantitative analysis of the capability of K2K, MINOS, OPERA and a neutrino factory in a muon collider to discriminate the standard mass induced vacuum oscillation fro…
Does the production asymmetry decrease at large ?
F. Carvalho, F. O. Durães, F. S. Navarra +1
We have applied the meson cloud model (MCM) to calculate the asymmetries in and meson production in high energy -nucleus and -nucleus collisions. We find a good…
Quantum Dissipative Effects and Neutrinos : current constraints and future perspectives
A. M. Gago, E. M. Moura, W. J. C. Teves +1
We establish the most stringent experimental constraints coming from recent terrestrial neutrino experiments on quantum mechanical decoherence effects in neutrino systems. Taking a…