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Measurement of the exclusive γγ→μ+μ− process in proton–proton collisions at √s=13 TeV with the ATLAS detector

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  • ATLAS Collaboration
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<mark>Journal publication date</mark>10/02/2018
<mark>Journal</mark>Physics Letters B
Volume777
Number of pages21
Pages (from-to)303-323
<mark>State</mark>Published
<mark>Original language</mark>English

Abstract

The production of exclusive γγ→μ+μ− events in proton–proton collisions at a centre-of-mass energy of 13 TeV is measured with the ATLAS detector at the LHC, using data corresponding to an integrated luminosity of 3.2 fb−1. The measurement is performed for a dimuon invariant mass of 12GeV<mμ+μ−<70GeV. The integrated cross-section is determined within a fiducial acceptance region of the ATLAS detector and differential cross-sections are measured as a function of the dimuon invariant mass. The results are compared to theoretical predictions both with and without corrections for absorptive effects.

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