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Two-photon mediated resonance production in e+e− collisions: cross sections and density matrices
2002
Nuclear Physics B
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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 qq̅ 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
doi:10.1016/s0550-3213(01)00619-8
fatcat:fsh2besqtjdlzjn3ov3w32yqhq