Michael Hasinoff

Professor

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Graduate Student Supervision

Doctoral Student Supervision

Dissertations completed in 2010 or later are listed below. Please note that there is a 6-12 month delay to add the latest dissertations.

A direct measurement of Pmu Xi from muon decay (2010)

The asymmetry of the positron distribution in polarised muon decay provides confirmation that the weak interaction maximally violates parity conservation. Since 1957 the quantity Pmu xi has been measured with increasing precision, where Pmu is the polarisation of the muon, and xi is a parameter describing the asymmetry. Thus far the results have been consistent with the standard model using a (V-A) interaction.A new measurement of pmu xi using the TRIUMF Weak Interaction Symmetry Test (TWIST) spectrometer is presented in this thesis. The result is pmu xi = 1.00084 +- 0.00035 (stat.) -0.00063,+0.00165 (syst.), which is a factor of 3.2 more precise than a previous TWIST direct measurement, and a factor of 7.0 more precise than the pre-TWIST value. New limits are set on physics beyond the standard model, including the weak decay of right-handed muons, and left-right symmetric models where a (V+A) current is introduced to conserve parity at higher energies.

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Master's Student Supervision

Theses completed in 2010 or later are listed below. Please note that there is a 6-12 month delay to add the latest theses.

A search for daily modulations in the CERN CAST-CAPP Axion experiment (2024)

The existence of a CP violating θ term in the QCD Lagrangian and the smallness of that term (θ
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Membership Status

Member of G+PS
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