Prospects for Testing Lorentz and CPT Invariance in the Top-Quark Sector
Z. Liu
TL;DR
This paper discusses methods to improve tests of Lorentz and CPT symmetry violations in top-quark interactions, proposing new calculations for collider experiments at the LHC.
Contribution
It introduces detailed matrix element computations for top-quark processes to enable more precise Lorentz and CPT violation tests at high-energy colliders.
Findings
Derived Lorentz-violating matrix elements for top pair production.
Analyzed single-top production for CPT violation signals.
Provided predictions for experimental signatures at the LHC.
Abstract
We present how to further the search for Lorentz and CPT violation in the top-quark sector after the first measurement in this sector by D0. We compute the Lorentz-violating matrix element for top pair production via gluon fusion, which allows a similar but more precise measurement at the LHC. For CPT violation, we analyze single-top production, derive the modified matrix elements, and predict possible signals.
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