Anomalous coupling studies with intact protons at the LHC

TL;DR

This paper investigates the potential to detect anomalous quartic gauge couplings at the LHC by analyzing events with intact protons, utilizing forward proton detectors in ATLAS and CMS-TOTEM.

Contribution

It presents the expected sensitivities to various anomalous couplings using intact proton measurements at the LHC, a novel approach for probing new physics.

Findings

Projected sensitivity limits for anomalous couplings

Feasibility of using forward proton detectors for such studies

Enhanced detection prospects compared to traditional methods

Abstract

We describe the reaches on quartic $\gamma \gamma \gamma \gamma$, $\gamma \gamma WW$, $\gamma \gamma ZZ$, $\gamma \gamma \gamma Z$, $\gamma \gamma t \bar{t}$ anomalous couplings at the LHC using intact protons in the final state measured in AFP in ATLAS or PPS in CMS-TOTEM.