Two photon background for Higgs boson searches at the LHC
T. Binoth, (LAPTH, Annecy-le-Vieux)
TL;DR
This paper provides a detailed next-to-leading order calculation of the two-photon background in hadronic collisions at the LHC, crucial for Higgs boson searches, including photon origins and scale dependence analysis.
Contribution
It introduces a comprehensive NLO calculation of two-photon production at the LHC, accounting for photons from hadronization, which was not fully addressed before.
Findings
Predicted invariant mass distribution for photon pairs at the LHC.
Quantified the impact of hadronization photons on background estimates.
Discussed residual scale uncertainties in the predictions.
Abstract
The search for an intermediate mass Higgs boson at the LHC needs the quantitative understanding of the two-photon background. A calculation of two-photon production in hadronic collisions at full next-to-leading order is described. It includes photons originating from the hadronization of QCD partons which play an important role at the LHC. A prediction for the invariant mass distribution for photon pairs at the LHC is presented and finally the residual scale dependencies are discussed.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · High-Energy Particle Collisions Research · Quantum Chromodynamics and Particle Interactions