WEAK INTERACTION DISCUSSION GROUP SEMINAR

Xiaobo Huang
Boston University

Note different date and time

Thursday, April 3, 2008
12:00 pm in SPL 3rd Floor Lounge

CPT and Lorentz Violation Test in The BNL Muon g-2 Data

Abstract: V.A. Kostelecky et. al. proposed an extension of the standard model of the particle physics which allows Lorentz and CPT violation by introducing additional terms to the Lagrangian of the standard model. In this extended standard model, the muon anomalous precession frequency, ωa, is evaluated. There are two Lorentz and CPT violation signatures predicted: nonzero Δωa (=ω_a^μ+ - ω_a^μ-) and sidereal variation of ω_a^μ±. A Lorentz and CPT invariance test, using the BNL muon g-2 data, is done. No significant effect was found. The limit of Lorentz and CPT violation is set to be at the level of 10^-24 GeV .