Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-10-05
Nucl.Phys. B623 (2002) 220-246
Physics
High Energy Physics
High Energy Physics - Phenomenology
27 pages, 4 figures
Scientific paper
10.1016/S0550-3213(01)00619-8
Earlier described model amplitudes are used in this paper to evaluate both cross sections and density matrices for two-photon mediated resonance production in e^+e^- collisions. All 25 q\bar{q} low-lying ^1S_0, ^3P_J and ^1D_2 resonances can thus be treated. Two independent methods are described to obtain the resonance production density matrices and cross sections. These density matrices combined with a resonance decay density matrix give the detailed angular distributions of the resonance decay products. For two particular decays, \chi_{c2},\chi_{c1}\to\gamma J/\psi the details are given. Several numerical results are presented as well.
Berends F. A.
Gulik van R.
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