Isospin Analysis of Two-body B Decays and Test of Factorization

Details Isospin Analysis of Two-body B Decays and Test of Factorization Isospin Analysis of Two-body B Decays and Test of Factorization

1994-03-09

arxiv.org/abs/hep-ph/9403255v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages, HUTP94/A006

Scientific paper

It is shown that the existing data on two-body B decays, some of them only upper limits, are precise enough to perform an isospin analysis to extract the phase shifts due to final state interaction. Unlike charm decays, no significant final state interaction is observed in decays $B\to D\pi, D\rho$, and $D^*\pi$ supporting the factorization hypothesis in these decays. By fitting directly the isospin amplitudes obtained, we extract the ratio $a_2/a_1$, where $a_1$ and $a_2$ are the coefficients in the factorized effective Hamiltonian.

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