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Light-by-light scattering in lead-lead collisions in the ATLAS experiment
First direct evidence of light-by-light scattering ($\gamma\gamma \rightarrow \gamma\gamma$) was reported in 2017 by the ATLAS experiment, based on 0.48 nb$^{-1}$ of 2015 Pb+Pb collision data at $\sqrt{s_{\textrm{NN}}}=5.02$ TeV. A total of 13 events was found in the signal region with a background...
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| Lenguaje: | eng |
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2019
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| Acceso en línea: | http://cds.cern.ch/record/2654388 |