Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-03-30
Phys.Rev.D83:094032,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
25 pages
Scientific paper
10.1103/PhysRevD.83.094032
With accumulation of high statistics data at BESIII, one may study many new interesting channels. Among them, J/\psi \to B^*\bar B + \bar{B^*}B \to \gamma B\bar B processes may provide valuable information of the radiative decays of the excited baryons (N^*,\Lambda^*,\Sigma^*,\Xi^*), and may shed light on their internal quark-gluon structure. Our estimation for the branching ratios of the nucleon excitations N^*(1440), N^*(1535) and N^*(1520) from the reaction J/\psi \to N^*\bar p + \bar N^* p \to \gamma p\bar p, indicates that these processes can be studied at BESIII with 10^{10} J/\psi events. Explicit theoretical formulae for the partial wave analysis (PWA) of the J/\psi \to B^*\bar B +\bar B^* B with B^*\to B \gamma and \bar B^*\to \bar B\gamma within covariant L-S Scheme are provided.
Dulat Sayipjamal
Wu Jia-Jun
Zou Bing-Song
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