Probing the Higgs Boson via VBF with Single Jet Tagging at the LHC
Amanda Kruse, Alan S. Cornell, Mukesh Kumar, Bruce Mellado, Xifeng, Ruan

TL;DR
This paper investigates the use of single jet tagging to identify Higgs bosons produced via vector boson fusion at the LHC, especially under high-luminosity conditions, offering a robust method to analyze Higgs properties.
Contribution
It introduces a novel single jet tagging technique for VBF Higgs detection, enhancing signal isolation at high luminosity and enabling spin-CP quantum number studies.
Findings
Single jet tagging effectively isolates VBF Higgs signals.
Rapidity separation is a robust variable for signal discrimination.
Method remains reliable under high-luminosity LHC conditions.
Abstract
The signature produced by the Standard Model Higgs boson in the Vector Boson Fusion (VBF) mechanism is usually pinpointed by requiring two well separated hadronic jets, one of which (at least) of them tends to be in the forward direction. With the increase of instantaneous luminosity at the LHC, the isolation of the Higgs boson produced with the VBF mechanism is rendered more challenging. In this paper the feasibility of single jet tagging is explored in a high-luminosity scenario. It is demonstrated that the separation in rapidity between the tagging jet and the Higgs boson can be effectively used to isolate the VBF signal. This variable is robust from the experimental and QCD stand points. Single jet tagging allows us to probe the spin-CP quantum numbers of the Higgs boson.
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