Measuring the diphoton coupling of a 750 GeV resonance
Sylvain Fichet, Gero von Gersdorff, Christophe Royon
TL;DR
This paper proposes a model-independent method to measure the photon-photon coupling of a potential 750 GeV resonance at the LHC using forward proton detectors, aiding the exploration of new physics beyond the Standard Model.
Contribution
It introduces a novel, model-independent approach to determine the photon-photon coupling of a hypothetical resonance with upcoming detector technology.
Findings
Feasibility of measuring the coupling with current detector setups
Potential to identify new physics signals beyond the Standard Model
Method applicable to future resonance searches
Abstract
A slight excess has been observed in the first data of photon-photon events at the 13 TeV LHC, that might be interpreted has a hint of physics beyond the Standard Model. We show that a completely model-independent measurement of the photon-photon coupling of a putative 750 GeV resonance will be possible using the forward proton detectors scheduled at ATLAS and CMS.
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