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Branching fraction of τ-→π-Ks0Ks0(π0)ντ decays
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BABAR Collaboration (Including: Gershon, T. J., Harrison, P. F. and Latham, Thomas). (2012) Branching fraction of τ-→π-Ks0Ks0(π0)ντ decays. Physical Review D (Particles, Fields, Gravitation and Cosmology), Volume 86 (Number 9). Article number 092013. doi:10.1103/PhysRevD.86.092013
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Official URL: http://dx.doi.org/10.1103/PhysRevD.86.092013
Abstract
We present a study of τ-→π-KS0KS0(π0)ντ and τ-→K-KS0KS0(π0)ντ decays using a data set 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. We measure branching fractions of (2.31±0.04±0.08)×10-4 and (1.60±0.20±0.22)×10-5 for the τ-→π-KS0KS0ντ and τ-→π-KS0KS0π0ντ decays, respectively. We find no evidence for τ-→K-KS0KS0ντ and τ-→K-KS0KS0π0ντ decays and place upper limits on the branching fractions of 6.3×10-7 and 4.0×10-7 at the 90% confidence level.
| 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 092013 | ||||
| DOI: | 10.1103/PhysRevD.86.092013 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access |
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