A New Limit on CPT Violation

TL;DR

This paper reports a search for antiproton decay at Fermilab, setting new limits on decay modes and constraining the mass scale associated with CPT violation and baryon number violation.

Contribution

It introduces new experimental limits on antiproton decay modes and the associated CPT-violation mass scale, advancing the understanding of fundamental symmetries.

Findings

Limits on fifteen antiproton decay modes

Constraints on the characteristic mass scale Mx for CPT violation

Enhanced bounds compared to previous experiments

Abstract

A search for antiproton decay has been made at the Fermilab Antiproton Accumulator. Limits are placed on fifteen antiproton decay modes. The results are used to place limits on the characteristic mass scale Mx that could be associated with CPT-violation accompanied by baryon number violation.