Exclusive production of pion pairs with large invariant mass in nucleus-nucleus collisions

Details Exclusive production of pion pairs with large invariant mass in nucleus-nucleus collisions Exclusive production of pion pairs with large invariant mass in nucleus-nucleus collisions

2011-10-28

arxiv.org/abs/1110.6378v1

Physics

Nuclear Physics

Nuclear Theory

6 pages, 5 figures, talk by M. Klusek-Gawenda at Low-x Meeting, June 2011, Santiago de Compostela, Galice, Spain

Scientific paper

The cross section for exclusive $\pi^+\pi^-$ and $\pi^0\pi^0$ meson pairs production in peripheral ultrarelativistic heavy-ion collisions is calculated at the energy available at the CERN Large Hadron Collider, i.e., $\sqrt{s_{NN}}=3.5$ TeV. The cross section for elementary $\gamma\gamma\to\pi\pi$ process is calculated with the help of the pQCD Brodsky-Lepage approach with the distribution amplitude used recently to describe the pion transition form factor measured by the BaBar Collaboration.

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