Testing CPT and Lorentz Invariance with the Anomalous Spin Precession of the Muon

Details Testing CPT and Lorentz Invariance with the Anomalous Spin Precession of the Muon Testing CPT and Lorentz Invariance with the Anomalous Spin Precession of the Muon

2001-10-19

arxiv.org/abs/hep-ex/0110044v1

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages; contribution to the proceedings of CPT '01 (Second Meeting on CPT and Lorentz Symmetry; August 15-18, 2001; Indiana U

Scientific paper

This article discusses tests of CPT and Lorentz invariance with data from the muon g-2 experiment at Brookhaven National Laboratory. According to an extension of the Standard Model by Kostelecky et al., CPT/Lorentz violating terms in the Lagrangian induce a shift of the anomaly frequency omega_a of muons in a magnetic field. This shift is predicted to be different for positive and negative muons and to oscillate with the Earth's sidereal frequency. We discuss the sensitivity of the g-2 experiment to different parameters of this Standard Model extension and propose an analysis method to search for sidereal variations of omega_a.

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