DOI: 10.1140/epjc/s2003-01217-2
Annihilation amplitudes and factorization in
L.N. Epele, D. Gómez Dumm, A. Szynkman and IFLP, Depto. de Física, Universidad Nacional de La Plata, C.C. 67, 1900 La Plata, Argentina
(Received: 2 April 2003 / Published online: 2 June 2003)
Abstract
We study the decay
, followed by the
decay of the
outgoing vector mesons into two pseudoscalars. The analysis of
the angular
distributions of the decay products is shown to provide useful
information about the annihilation contributions and possible
tests of
factorization.
© Società Italiana di Fisica, Springer-Verlag 2003
