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109 papers · 2 filters
The few body problem of the quark-model hadron structure
A. Valcarce, J. Vijande, H. Garcilazo +1
We discuss recent results of hadron spectroscopy and hadron-hadron interaction within a quark model framework. New experimental data could point to the important role played by hig…
On the nature of the X(3872)
A. Valcarce, J. Vijande
We present recent studies of charmonium multiquark states. We use different interacting models and numerical methods to study deeply bound four-quark states and meson-meson molecul…
Doubly Charmed Mesons
A. Valcarce, J. Vijande, T. F. Caramés
Doubly charmed mesons are studied within a quark model framework. We solve the four-quark Schordinger equation by means of a variational approach by using different interacting pot…
New determination of the - axial form factors from weak pion production and coherent pion production off nuclei at T2K and MiniBooNE energies revisited
E. Hernández, J. Nieves, M. Valverde +1
We re-evaluate our model predictions in Phys. Rev. D 79, 013002 (2009) for different observables in neutrino induced coherent pion production. This comes as a result of the new imp…
The B -> Xs gamma Rate and CP Asymmetry within the Aligned Two-Higgs-Doublet Model
Martin Jung, Antonio Pich, Paula Tuzón
In the two-Higgs-doublet model the alignment of the Yukawa matrices in flavour space guarantees the absence of flavour-changing neutral currents at tree level, while introducing ne…
Models for neutrino mass with discrete symmetries
S. Morisi
Discrete non-abelian flavor symmetries give in a natural way tri-bimaximal (TBM) mixing as showed in a prototype model. However neutrino mass matrix pattern may be very different f…