The decay τ-→K-K+π-ντ and the ντ mass

The work of two of us (M.C.G-G. and A.P.) has been partially supported by CICYT, Spain, under Grant No. AEN 89-0348. Finally, J.J.G-C. wants to acknowledge the support of a Fulbright Grant during part of the time of this work. This work was supported in part by the U.S. Department of Energy contract No. DE-AC03- 765-fOO515.

In this paper, we present a model based on the effective chiral Lagrangian to describe the decay τ-→K-K+π-ντ. Using our model we study the possible limits on the ντ mass that can be achieved by a high-statistics, high-precision experiment taking data close to the τ-pair production threshold.

9 páginas, 4 figuras, 2 tablas.

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