Parameter--free calculation of $D \rightarrow P P$ in a weak--gauged $U(4)_L \otimes U(4)_R$ Chiral Lagrangian Model

Details Parameter--free calculation of $D \rightarrow P P$ in a weak--gauged $U(4)_L \otimes U(4)_R$ Chiral Lagrangian Model Parameter--free calculation of $D \rightarrow P P$ in a weak--gauged $U(4)_L \otimes U(4)_R$ Chiral Lagrangian Model

1993-04-06

arxiv.org/abs/hep-ph/9304219v1

Phys.Lett. B312 (1993) 191-198

Physics

High Energy Physics

High Energy Physics - Phenomenology

FTUV/93-16 IFIC/93-7

Scientific paper

10.1016/0370-2693(93)90509-G

We analyze the decay modes of charmed mesons into two--pseudoscalars in a
weak--gauged U(4)_L x U(4)_R chiral lagrangian model. The calculation is free
of unknown parameters and only requires as inputs the masses of pseudoscalars
and the decay constant of the pion. The general pattern of the results at
leading order compares reasonably well with the experimental data.

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