Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-11-10
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 2 tables, 5 figures. Talk presented at the CERN Workshop on Event Generators, CERN, Geneva, 22-26 July 2003
Scientific paper
Simulation methods for the decays $ B \to {\pi}^+ {\pi}^- V$, where $V$ is a $1^{--}$ vector-meson, are presented in detail. Emphasis is put on the use of the helicity formalism and the use of effective Lagrangians. We show the importance of ${{\rho}^{0}}-{\omega}$ mixing in enhancing the direct $CP$ violation (DCPV) when the pion-pion invariant mass is near the mass of the $\omega$.
Ajaltouni Ziad J.
Leitner Olivier
Perret Pascal
Rimbault C.
Thomas Anthony W.
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