Searching for CPT Violation with Neutral-Meson Oscillations

Abstract

A general technique is presented for treating CPT violation in neutral-meson oscillations. The effective field theory for a complex scalar with CPT-violating operators of arbitrary mass dimension is incorporated in the formalism for the propagation and mixing of neutral mesons. Observable effects are discussed, and first measurements of CPT-violating operators of dimension five are extracted from existing experimental results.

arXiv comment7 pages, published as Phys. Lett. B 795, 620 (2019)

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