Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2009-04-23
Phys.Rev.D80:054001,2009
Physics
High Energy Physics
High Energy Physics - Phenomenology
29 pages, 6 figures
Scientific paper
10.1103/PhysRevD.80.054001
We study the 5D Rarita-Schwinger fields to describe spin 3/2 baryons in AdS/QCD. We calculate the spectrum of spin 3/2 baryons (Delta resonances) and their form factors, together with meson-baryon couplings from AdS/QCD. The transition form-factors between Delta and nucleon are evaluated. Both pion and rho meson couplings have the same origin in the bulk and hence unified. The numerical values for the meson-baryon transition couplings are consistent with the values obtained from other methods. We also predict the numerical values of some new couplings associated with Delta resonances.
Ahn Hyo Chul
Hong Deog Ki
Park Cheonsoo
Siwach Sanjay
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