Zobrazeno 61 - 70
of 77
pro vyhledávání: '"Jacopo Ferretti"'
Publikováno v:
AIP Conference Proceedings.
The formalism for a new generation of constituent quark models, in which the higher Fock components of the baryon wave functions are explicitly and systematically introduced through a QCD inspired pair-creation mechanism, has been recently constructe
Publikováno v:
Physical Review C. 84
A relativistic interacting quark-diquark model of baryons with direct and exchange interaction has been used to calculate the nucleon electromagnetic form factors. The results have been compared with experimental data.
Publikováno v:
Physical Review C. 83
A relativistic quark-diquark mass operator with direct and exchange interaction has been constructed in the framework of point form dynamics. The nonstrange baryon spectrum has been calculated and compared with experimental data.
Publikováno v:
Acta Physica Polonica B Proceedings Supplement. 8:21
Autor:
Vincent Mathieu, D. P. Watts, Elena Santopinto, S. M. Hughes, Alessandro Rizzo, Jacopo Ferretti, M. Battaglieri, A. Celentano, Adam P. Szczepaniak, A. D'Angelo, A. Filippi, L. Zana, Salvator Lombardo, D. G. Ireland, S. Fegan, D. I. Glazier, R. De Vita
Publikováno v:
Journal of Physics: Conference Series. 527:012028
The main motivations for hadron spectroscopy in general and in particular for hybrid meson spectroscopy will be reviewed. The HASPECT (HAdron SPEctroscopy CenTer) project will be presented and discussed.
Autor:
Jacopo Ferretti
Publikováno v:
EPJ Web of Conferences, Vol 72, p 00008 (2014)
We discuss the results of an unquenched quark model (UQM) calculation of the self energy corrections to charmonium spectrum due to the coupling to the meson-meson continuum. In our approach, the effects of quark-antiquark pairs are introduced explici
Autor:
Jacopo Ferretti
Publikováno v:
International Journal of Modern Physics: Conference Series. 26:1460117
We discuss our relativistic quark-diquark model, developed in the framework of point form dynamics. Our results for the nonstrange baryon spectrum and for the nucleon electromagnetic form factors are discussed.
Autor:
E. Santopinto, Jacopo Ferretti
Publikováno v:
EPJ Web of Conferences, Vol 73, p 03011 (2014)
We show our results for the bottomonium spectrum with self energy corrections, due to the coupling to the meson-meson continuum. We also discuss our results for the open bottom strong decays of higher bottomonia in the 3 P 0 pair-creation model.
Publikováno v:
Journal of Physics: Conference Series. 403:012039
We discuss the flavor asymmetry and the strangeness content of the proton in an unquenched quark model. It is shown that the inclusion of hadron loops leads automatically to an excess of over ?, but gives very small contributions to the strange magne
Publikováno v:
Journal of Physics: Conference Series. 387:012011
The contribution of strange quarks to the radius and the magnetic moment of the proton is discussed in the framework of the unquenched quark model in which the effects of the s pairs (strange sea) are taken into account through a 3P0 quark-antiquark