Chiral corrections in electroweak processes with heavy mesons

Details Chiral corrections in electroweak processes with heavy mesons Chiral corrections in electroweak processes with heavy mesons

2002-12-27

arxiv.org/abs/hep-ph/0212380v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Ph.D. Thesis, Advisor: Prof. Svjetlana Fajfer, 164 pages

Scientific paper

The effective theory based on combined chiral and heavy quark symmetry (HHChPT) is applied to D meson decays. The predictions for several flavor changing neutral current rare radiative charm decays are given both in the Standard Model as well as for the MSSM with and without R parity conservation. Further, the quenched version of HHChPT is used to estimate effects of quenched approximation in the lattice calculations of B-> pi, K transitions. In the thesis several technical details are clarified as well. The explicit calculation of three and four-point scalar functions with one heavy-quark propagator is given. Also, existing renormalization group evolutions for B and K meson decays are modified to perform next-to-leading order evolution of Wilson coefficients for charm decays.

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