Dynamically generated resonances from the vector octet-baryon decuplet interaction in the hidden gaug

e formalism

Speaker: Bao-Xi SunInstitute of Theoretical Physics, Beijing University of Te

chnology

Collaborators: S. Sarkar, E.Oset and M. J. VicenteVacas

2009.08.24 IWND2009(Shanghai)

1. Formalism

2. Results

3. Radiative decay

Vector-vector Interaction

Interaction Vertex

Anomalous Term

Anomalous Term

Bethe-Salpeter Eqution

T V VGT

Vector meson – baryon loop function in the dimensional regularization scheme

Vector meson-baryon loop function accounting for the width of the intermediate states

N

Decay modes

S=-1， I=0 Channel

S=-1， I=0 Channel

S=-1， I=1Channel

Resonance for S=-1,I=1 channel

0902.3150[hep-ph]

Radiative decay into γandΒD

Decay width for radiative decay

ρωφCouplings of resonances

Decay widths 0903.5138[hep-ph]

Conclusions

1. Ten resonances in the different strangeness and isospin channels. Degenerate in JP=1/2-, 3/2-, 5/2-.

2. Radiative widths are of the order of 1MeV.

3. Radiative decay widths are different about one order of magnitude between the widths for different charge states of the same resonance.

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• Thanks