Resonant structure of τ3ππ0ντ and τωπντ decays

K. W. Edwards et al. (CLEO Collaboration)
Phys. Rev. D 61, 072003 – Published 8 March 2000
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Abstract

The resonant structure of the four pion final state in the decay τ3ππ0ντ has been analyzed using 4.27 million τ+τ pairs collected by the CLEO II experiment at the Cornell Electron Storage Ring. A partial wave analysis of the resonant structure of the τ3ππ0ντ decay has been performed; the spectral decomposition of the four pion system is dominated by the ωπ and a1π final states. The mass and width of the ρ resonance have been extracted from a fit to the τωπντ spectral function. We have searched for second class currents in the decay τωπντ using spin-parity analysis and established an upper limit on the non-vector current contribution.

  • Received 30 September 1999

DOI:https://doi.org/10.1103/PhysRevD.61.072003

©2000 American Physical Society

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Vol. 61, Iss. 7 — 1 April 2000

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