Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2004-11-30
Fizika B14 (2005) 41-74
Physics
High Energy Physics
High Energy Physics - Phenomenology
37 pages, 16 figures. Dedicated to the memory of Prof. D. Tadic, Submitted to Fizika B, Zagreb
Scientific paper
We give an overview of chiral quark models, both for the pure light sector and the heavy-light sector. We describe how such models can be bosonized to obtain welWe give an overview of chiral quark models, both for the pure light sector and the heavy-light sector. We describe how such models can be bosonized to obtain well known chiral Lagrangians which can be inferred from the symmetries of QCD alone. In addition, we can within these models calculate the coefficients of the various pieces of the chiral Lagrangians. We discuss a few applications of the models, in particular, $\bbar$ mixing and processes of the type $B \to D \bar{D}$, where $D$ might be both pseudoscalar and vector. We suggest how the formalism might be extended to include light vectors ($\rho,\omega,K^*$), and heavy to light transitions like $B \to \pi$. l known chiral Lagrangians which can be inferred from the symmetries of QCD alone. In addition, we can within these models calculate the coefficients of the various pieces of the chiral Lagrangians. We discuss a few applications of the models, in particular, $\bbar$ mixing and processes of the type $B \to D \bar{D}$, where $D$ might be both pseudoscalar and vector. We suggest how the formalism might be extended to include light vectors ($\rho,\omega,K^*$), and heavy to light transitions like $B \to \pi$.
Eeg Jan O.
Hiorth Aksel
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