Proton reconstruction with the CMS-TOTEM Precision Proton Spectrometer

The CMS and TOTEM collaborations

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1 Scopus citations


The Precision Proton Spectrometer (PPS) of the CMS and TOTEM experiments collected 107.7 fb-1 in proton-proton (pp) collisions at theLHCat 13 TeV(Run 2). This paper describes the key features of the PPS alignment and optics calibrations, the proton reconstruction procedure, as well as the detector efficiency and the performance of the PPS simulation. The reconstruction and simulation are validated using a sample of (semi)exclusive dilepton events. The performance of PPS has proven the feasibility of continuously operating a near-beam proton spectrometer at a high luminosity hadron collider.

Original languageEnglish (US)
Article numberP09009
JournalJournal of Instrumentation
Issue number9
StatePublished - Sep 1 2023

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Mathematical Physics


  • Large detector systems for particle and astroparticle physics
  • Particle tracking detectors


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