Possible discovery channel for fourth chiral family up-quark at the LHC

TL;DR

This paper explores the potential to discover a fourth chiral family up quark at the LHC through resonant production via anomalous interactions, highlighting the importance of W+jets invariant mass analysis.

Contribution

It introduces a novel search strategy for the fourth chiral family up quark using anomalous interactions and emphasizes the role of W+jets invariant mass analysis in LHC experiments.

Findings

Resonance searches in W^{+}b final states can reveal the fourth chiral family.

W-leading jet invariant mass analysis is crucial for detecting W+jets events.

Results suggest a new physics scale related to quark and lepton compositeness.

Abstract

Resonant production of fourth chiral family up quark at the LHC via anomalous interactions have been analyzed. It is shown that search for resonances in W^{+}b final states could lead to discovery of the fourth chiral family and simultaneously determine scale of the new physics, presumabely related to the quark and lepton compositeness. Obtained results emphasize an importance of W-leading jet invariant mass analysis in search for W+jets final states at the LHC, both with and without b-tagging.