Probing the Pomeron structure using dijets and $\gamma$+jet events at the LHC

Abstract

We consider hard diffractive events in proton-proton collisions at the LHC, in which both protons escape the collision intact. In such double Pomeron exchange processes, we propose to measure dijets and photon-jet final states, and we show that it has the potential to pin down the Pomeron quark and gluon contents, a crucial ingredient in the standard QCD description of hard diffraction. By comparing with predictions of the soft color interaction approach, we also show that more generally, the measurement of the photon-jet to di-jet cross section ratio can put stringent test on the QCD dynamics at play in diffractive processes in hadronic collisions.

References in corpus (4)

• PYTHIA 6.4 Physics and Manual
• A unified description of diffractive deep inelastic scattering with saturation
• Search for exclusive events using the dijet mass fraction at the Tevatron
• Diffractive Dijet Production in Antiproton-Proton Collisions at $\sqrt{s}$=1.96 TeV

Cited by in corpus (9)

• Measurements of timing resolution of ultra-fast silicon detectors with the SAMPIC waveform digitizer
• Photon and Pomeron -- induced production of Dijets in $pp$, $pA$ and $AA$ collisions
• Prompt photon production in double-Pomeron-exchange events at the LHC
• Diffractive di-jet production at the LHC with a Reggeon contribution
• Testing Pomeron flavour symmetry with diffractive W charge asymmetry
• Probing the diffractive production of gauge bosons at forward rapidities
• Single-diffractive production of dijets within the $k_t$-factorization approach
• Diffractive Physics at the LHC
• Physics with tagged protons at the LHC: understanding the Pomeron structure and anomalous coupling studies