Process 3 -> 3 and crossing symmetry violation

Details Process 3 -> 3 and crossing symmetry violation Process 3 -> 3 and crossing symmetry violation

2002-04-29

arxiv.org/abs/hep-ph/0204331v1

Physics of Atomic Nuclei 67 (2004)1923

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX2e, 10 pages, 5 eps figures

Scientific paper

Using the Sudakov technique we sum the perturbation series for the process $3\to 3$ and obtain the compact analytical expression for the amplitude of this process, which takes into account all possible Coulomb interactions between colliding particles. Compare it with the amplitude of the lepton pair production in heavy ion collision i.e. in the process $ 2\to 4$, we show that crossing symmetry between this processes holds only if one neglects the interaction of produced pair with ions (i.e. in the approximation $Z_{1,2}\alpha \ll 1$).

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