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Speaker: Bao-Xi Sun Institute of Theoretical Physics, Beijing University of Technology - PowerPoint PPT Presentation

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Dynamically generated resonances from the vector octet-baryon decuplet interaction in the hidden gauge formalism. Speaker: Bao-Xi Sun Institute of Theoretical Physics, Beijing University of Technology Collaborators: S. Sarkar, E.Oset and M. J. VicenteVacas 2009.08.24 IWND2009(Shanghai).

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slide1

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

Speaker: Bao-Xi Sun

Institute of Theoretical Physics, Beijing University of Technology

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

2009.08.24 IWND2009(Shanghai)

slide2
1. Formalism

2. Results

3. Radiative decay

vector vector interaction
interaction vertex
anomalous term
anomalous term1
bethe salpeter eqution
vector meson baryon loop function in the dimensional regularization scheme
vector meson baryon loop function accounting for the width of the intermediate states
decay modes
s 1 i 0 channel
s 1 i 0 channel1
s 1 i 1channel
resonance for s 1 i 1 channel
0902 3150 hep ph
radiative decay into and d
decay width for radiative decay
couplings of resonances
decay widths 0903 5138 hep ph
conclusions
Conclusions
  • Ten resonances in the different strangeness and isospin channels. Degenerate in JP=1/2-, 3/2-, 5/2-.
  • Radiative widths are of the order of 1MeV.
  • 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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