  Using the (modified) MIT bag model we calculated formfactors and decay widths
for pseudoscalar - pseudoscalar and pseudoscalar - vector semileptonic decays
of heavy to light mesons. We discuss the physical phenomena which are important
in these processes and their influence on the measurable quantities. Our
results are consistent with the available experimental data. A comparison with
the results of other models is also given.

High Energy Physics - Phenomenology