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Exclusive electromagnetic production of pion pairs in lead-lead collisions at LHC *

EPJ Web of Conferences. 2014;66:04014 DOI 10.1051/epjconf/20146604014


Journal Homepage

Journal Title: EPJ Web of Conferences

ISSN: 2100-014X (Online)

Publisher: EDP Sciences

LCC Subject Category: Science: Physics

Country of publisher: France

Language of fulltext: English

Full-text formats available: PDF



Kłusek-Gawenda Mariola (The Henryk Niewodniczański Institute of Nuclear Physics PAN)

Szczurek Antoni


Editorial review

Editorial Board

Instructions for authors

Time From Submission to Publication: 6 weeks


Abstract | Full Text

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.