Structure Functions in the Decay tau+/- --> pi+/- pi0 pi0 nu
CLNS 99/1628, CLEO 99-8, T.E.Browder et al; submitted to PRD.
Abstract:
Using the CLEO II detector operating at the CESR e+e- collider, we have
measured the structure functions in the decay tau+/- --> pi+/- pi0 pi0 nu,
based on
a sample corresponding to 4*10E6 produced tau-pair events. We
determine the integrated strcuture functions, which depend only on the three
pion invariant mass, as well
as the structure functions differential in the
Dalitz plot. We extract model independent limits on non-axial-vector contributions
from the measured structure functions as less
than 16.6% of the total branching
fraction, at the 95% confidence level. Separating the non-axial-vector contributions
into scalar and vector contributions, we measure that
scalars (vectors) contribute
with less than 9.4% (7.3%) to the total branching ratio, at the 95% confidence level.
-
- Tables of Structure Functions integrated over the Dalitz plot
-
- Tables of the hadronic current components differential
in the Dalitz plot
-
- Tables of Structure Functions differential
in the Dalitz plot
For questions please contact Mauritius Schmidtler
or Jon Urheim