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We estimate the production of two meson pairs in high energy photon photoncollisions produced in ultraperipheral collisions at LHC. We show that thestudy of charge asymmetries may reveal the existence of the perturbativeOdderon and discuss the concrete event rates expected at the LHC. Sizable ratesand asymmetries are expected in the case of proton-proton collisions and mediumvalues of gamma-gamma energies \sqrt{s_{\gamma \gamma}} \approx 20GeV.Proton-proton collisions will benefit from a high rate due to a large effectivegamma-gamma luminosity and ion-ion collisions with a somewhat lower rate fromthe possibility to trigger on ultraperipheral collisions and a reducedbackground from strong interactions.

Hard Pomeron-Odderon interference effects in the production of pi^+pi^- pairs in high energy gamma-gamma collisions at the LHC