Title page for ETD etd-12212010-165235

Type of Document Dissertation
Author Kao, Yee
URN etd-12212010-165235
Title Constraints on New Physics from Neutrino and Other Particle Experiments
Degree PhD
Department Physics
Advisory Committee
Advisor Name Title
Takeuchi, Tatsu Committee Chair
Minic, Djordje Committee Member
Mizutani, Tetsuro Committee Member
Pitt, Mark L. Committee Member
  • Neutrino
  • Physics Beyond Standard Model
  • Elementary Particles
  • High Energy Physics
Date of Defense 2010-12-07
Availability restricted
In this thesis we analyze a number of past, current, and future experiments to extract information on physics beyond the Standard Model. We use the Jacobi method to derive a set of simplified expressions for the probabilities of neutrino oscillations in matter. we show the possible constraints that can be placed on various models beyond the Standard Model.

In several cases, we find that the limits thus thus obtained could be competitive with those expected from direct searches at the Large Hadron Collider. We then consider the possible effects of new physics beyond the Standard Model on precision measurements. In particular, we look at recent Bell/Babar results on the B meson branching fraction, and the bounds on Tau-decays from Babar.

As a general framework of analyzing new physics beyond the Standard Model, we discuss what constraints can be placed on R-parity violating SUSY from these experiments.

To complete our analysis, we update the single-coupling bounds on R-parity violating supersymmetry using the most up to date data as of October 2009. In addition to the data listed in the latest Review of Particle Properties, we utilize a new measurement of the weak charge of cesium-133, and preliminary Tau-decay branching fractions from Babar. Analysis of semileptonic D-decay is improved by the inclusion of experimentally measured form-factors into the calculation of the Standard Model predictions.

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