Photonic production of the pair of mesons
arXiv:2005.06053 · doi:10.1103/PhysRevD.102.016027
Abstract
We study the pair production of mesons in the photon-photon interaction in the framework of perturbative quantum chromodynamics and the relativistic quark model. The production amplitudes of a pair of pseudoscalar and vector mesons are constructed in the nonrelativistic approximation and taking into account relativistic effects. Relativistic corrections related to the relative motion of heavy quarks in the production amplitude, as well as in the wave function of the bound state of heavy quarks, are taken into account. Analytical expressions are constructed for the relativistic differential and total cross sections for the pair meson production. Based on them, numerical values of the production cross sections are obtained for various energies and scattering angles.
arXiv comment18 pages, 4 figures
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