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7 papers · 2 filters
Role of Meson-Meson Correlation Effects in the $\NNb\toρπ$ Annihilation Process
V. Mull, G. Janssen, J. Speth +1
Meson-meson correlation effects are investigated in the $\NNb\toρπ$ annihilation process using a realistic meson-exchange model for the interaction determined previously, toge…
Charge Radii of Hyperons
Sarira Sahu
The momentum projected SU(3) Chiral Color Dielectric Model (CCDM) is employed to calculate the charge root mean square radii and charge distributions of hyperons. We compare our re…
Double Pion Photoproduction in Nuclei
J. A. Gomez Tejedor, M. J. Vicente-Vacas, E. Oset
The inclusive A(gamma,pi+ pi-)X reaction is studied theoretically. A sizeable enhancement of the cross section is found, in comparison with the scaling of the deuteron cross sectio…
Combined Description of Scattering and Annihilation With A Hadronic Model
V. Mull, K. Holinde
A model for the nucleon-antinucleon interaction is presented which is based on meson-baryon dynamics. The elastic part is the -parity transform of the Bonn potential. Annih…
A theoretical approach to the (pion^{-}, gamma gamma) reaction in nuclei
A. Gil, E. Oset
We have studied the pion^{-} capture in nuclei leading to two photons, using improved many body methods which have been tested with success in one photon pion^{-} radiative capture…
The Axial Charge Renormalization in a Relativistic Description of Finite Nuclei
A. Gil, M. Kleinmann, H. M"uther +1
Starting from a realistic One-Boson-Exchange model of the nucleon nucleon interaction the relativistic mean field for nucleons is determined within the Dirac Brueckner Hartree Fock…