Characterising a Higgs-like resonance at the LHC
Priscila de Aquino, Kentarou Mawatari
TL;DR
This paper introduces a comprehensive effective Lagrangian framework implemented in FeynRules to analyze the properties of a Higgs-like boson discovered at the LHC, accommodating various spin and parity assignments.
Contribution
It provides a systematic and accurate tool for characterizing the boson’s spin and parity using all relevant channels at the LHC.
Findings
Enables detailed analysis of boson spin/parity hypotheses
Supports systematic studies across multiple channels
Facilitates accurate characterization of the Higgs-like resonance
Abstract
We present the implementation of an effective lagrangian via FeynRules, featuring bosons X(J^P) with various assignments of spin/parity J^P = 0^+, 0^-, 1^+, 1^-, or 2^+, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and accurate way.
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Taxonomy
TopicsParticle physics theoretical and experimental studies · Quantum Chromodynamics and Particle Interactions · Black Holes and Theoretical Physics