| Issue |
EPJ Web of Conferences
Volume 66, 2014
INPC 2013 – International Nuclear Physics Conference
|
|
|---|---|---|
| Article Number | 04014 | |
| Number of page(s) | 6 | |
| Section | Hot and Dense Nuclear Matter | |
| DOI | https://doi.org/10.1051/epjconf/20146604014 | |
| Published online | 20 March 2014 | |
https://doi.org/10.1051/epjconf/20146604014
Exclusive electromagnetic production of pion pairs in lead-lead collisions at LHC *
1 The Henryk Niewodniczański Institute of Nuclear Physics PAN, PL-31-342 Kraków
2 University of Rzeszów, PL-35-959 Rzeszów
a e-mail: Mariola.Klusek@ifj.edu.pl
Published online: 20 March 2014
The cross section for π+π− and π0π0 meson pairs production in peripheral ultrarelativistic heavy-ion collisions is calculated in the impact parameter space equivalent photon approximation. The cross section is calculated at the energy available at the CERN Large Hadron Collider, √sNN = 3.5 TeV. For the first time the world data for γγ → ππ are described, both for the total cross section and for the angular distribution. This is obtained simultaneously for γγ → π+π− and γγ → π0π0 at all experimentally available energies.
© Owned by the authors, published by EDP Sciences, 2014
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