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Applications Of Effective Field Theories To New Physics, Derek Edward Hazard
Applications Of Effective Field Theories To New Physics, Derek Edward Hazard
Wayne State University Dissertations
We apply an effective field theory approach and argue that lepton flavor violating (LFV) decays M → l1l2 of meson states M with different quantum numbers could be used to put constraints on the Wilson coefficients of effective operators describing LFV interactions at low energy scales. We note that the restricted kinematics of the two-body decay of quarkonium or a heavy quark meson allows us to select operators with particular quantum numbers, significantly reducing the reliance on the single operator dominance assumption that is prevalent in constraining parameters of the effective LFV Lagrangian. We shall also argue that studies of …
Using Heavy Flavors To Study New Physics, Kristopher Jason Healey
Using Heavy Flavors To Study New Physics, Kristopher Jason Healey
Wayne State University Dissertations
In this doctoral dissertation I discuss the possible standard model contributions to select leptonic heavy meson decay modes. Included are calculations of soft photon contributions to a di-lepton decay of B-mesons as well as two-particle hadronic unitary contributions to the rare di-leptonic decay of the neutral D meson. Additionally, constraints are calculated for two super-WIMP dark matter models from rare heavy flavor decays.