16–20 Apr 2018
Kobe University Convention Centre / Kobe International Conference Center
Asia/Tokyo timezone

[Cancelled] Evidence for light-by-light scattering in ultraperipheral PbPb collisions with CMS experiment

Not scheduled
24m
Kobe International Convention Centre

Kobe International Convention Centre

WG2: Small-x and Diffraction WG2: Small-x and Diffraction

Speaker

CMS Collaboration

Description

Light-by-light (LbyL) scattering (γγγγ) is a fundamental quantum-mechanical process with tiny cross sections. Studies of LbyL scattering, using the large photon fluxes from ultraperipheral PbPb collisions at sqrt(s_N) = 5.02 TeV at the LHC, will be reported based on the evidence of a signal corresponding to an integrated luminosity of 391 μb1. The measurement can be recasted into limits on physics beyond the Standard Model, such as Born-Infeld corrections to quantum electrodynamics or GeV mass axions.

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