Volume 340 - The 39th International Conference on High Energy Physics (ICHEP2018) - Parallel: Strong Interactions and Hadron Physics
The CMS-TOTEM Precision Proton Spectrometer and first physics results
J.J. Hollar* on behalf of the CMS and TOTEM collaborations
*corresponding author
Full text: pdf
Published on: August 02, 2019
Abstract
Proton tagged photon-photon and gluon-gluon interactions represent a unique way to study the Standard Model, and to search for new
physics beyond the Standard Model, in proton-proton collisions at the LHC. The CT-PPS project began operating near-beam detectors
housed in Roman Pots during 2016, to detect the forward scattered protons in these processes. The 2016 data was used to
develop techniques for alignment and beam optics corrections, and applied to an analysis of $\gamma\gamma\rightarrow\ell^{+}\ell^{-}$
production. This resulted in the first observation of this process with tagged protons in the mass range $m(\ell^{+}\ell^{-})$>110~GeV.
Several upgrades of the detectors since 2016 provide enhanced sensitivity for new physics searches and Standard Model measurements.
DOI: https://doi.org/10.22323/1.340.0048
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