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Study of high-multiplicity three-prong and five-prong τ decays at BABAR
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BABAR Collaboration (Including: Gershon, T. J., Harrison, P. F., Latham, Thomas and Puccio, E. M. T.). (2012) Study of high-multiplicity three-prong and five-prong τ decays at BABAR. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 86 (Number 9). Article number 092010 . doi:10.1103/PhysRevD.86.092010
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Official URL: http://link.aps.org/doi/10.1103/PhysRevD.86.092010
Abstract
We present measurements of the branching fractions of three-prong and five-prong τ decay modes using a sample of 430 million τ lepton pairs, corresponding to an integrated luminosity of 468 fb-1, collected with the BABAR detector at the PEP-II asymmetric-energy e+e- storage rings at SLAC National Accelerator Laboratory. The τ-→(3π)-ηντ, τ-→(3π)-ωντ, and τ-→π-f1(1285)ντ branching fractions are presented, as well as a new limit on the branching fraction of the second-class current decay τ-→π-η′(958)ντ. We search for the decay mode τ-→K-η′(958)ντ and for five-prong decay modes with kaons, and place the first upper limits on their branching fractions.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Physics | ||||
| Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1550-7998 | ||||
| Official Date: | 2012 | ||||
| Dates: |
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| Volume: | Volume 86 | ||||
| Number: | Number 9 | ||||
| Page Range: | Article number 092010 | ||||
| DOI: | 10.1103/PhysRevD.86.092010 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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