[Triumf-seminars] TRIUMF Seminar today at 14:00

postmaster at admin.triumf.ca postmaster at admin.triumf.ca
Thu Nov 15 05:00:01 PST 2007

Date/Time: Thu 2007-11-15 at 14:00

Location:  Auditorium          

Speaker:   Rob MacDonald (University of Alberta)

Title:     Results of a New Muon Decay Measurement by TWIST

Abstract: The TWIST experiment at TRIUMF measures with high precision the momentum and decay angle of the positrons from muon decay.  The decay parameters rho, delta, and P_mu*xi, which describe the distribution of decay positrons, are measured by studying the shape of high-statistics decay spectra, and these parameters have implications on the form of the weak interaction.  TWIST has just completed a new measurement of the parameters rho and delta, on its way to its ultimate goal of an order of magnitude improvement over the pre-TWIST limits.  The experiment will be described, and the results of the most recent analysis will be presented, with a discussion of the substantially reduced statistical and systematic uncertainties.

Stimulants available 15 minutes before the talk.


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