Neutral Mesons and Nonminimal CPT Violation

TL;DR

This paper explores how nonminimal CPT violation, beyond minimal models, can affect neutral-meson oscillations using a scalar effective field theory approach, expanding the understanding of CPT symmetry violations.

Contribution

It introduces a general scalar effective field theory framework to analyze nonminimal CPT violation effects on neutral-meson oscillations, extending prior minimal models.

Findings

Nonminimal CPT violation can influence neutral-meson oscillations.

The framework allows for systematic analysis of nonminimal operators.

Results suggest new avenues for experimental tests of CPT symmetry.

Abstract

Minimal CPT violation has been constrained using observations of neutral-meson oscillations. Violation of CPT symmetry arising from nonminimal operators in the Lagrange density can also occur. A general approach using scalar effective field theory is presented and used to infer the effects of nonminimal CPT violation on neutral-meson oscillations.