Testing CPT and Lorentz Symmetry with Protons and Antiprotons in Penning Traps

Details Testing CPT and Lorentz Symmetry with Protons and Antiprotons in Penning Traps Testing CPT and Lorentz Symmetry with Protons and Antiprotons in Penning Traps

1998-10-09

arxiv.org/abs/hep-ph/9810310v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, presented by N.R. at the 1998 Conference on Trapped Charged Particles and Fundamental Physics, Pacific Grove, Califor

Scientific paper

10.1063/1.57441

A theoretical analysis is performed of Penning-trap experiments comparing protons and antiprotons to test CPT and Lorentz symmetry through measurements of anomalous magnetic moments and charge-to-mass ratios. Possible CPT and Lorentz violations arising at a fundamental level are treated in the context of a general extension of the standard model of particle physics and its restriction to quantum electrodynamics. In a suggested experiment measuring anomaly frequencies a bound on CPT violation of 10^{-23} for a relevant figure of merit is attainable. Experiments comparing cyclotron frequencies are sensitive within this theoretical framework to different kinds of Lorentz violation that preserve CPT. Constraints could be obtained on one figure of merit at 10^{-24} and on another in a related experiment with H- ions and antiprotons at the level of 10^{-25}.

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