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BABAR Collaboration; del Amo Sanchez, P; Snoek, H L (2011). Studies of τ-→ηK-ντ and τ-→ηπ-ντ at BABAR and a search for a second-class current. Physical Review D, 83(3):032002.
We report on analyses of tau lepton decays τ-→ηK-ντ and τ-→ηπ-ντ, with η→π+π-π0, using 470 fb-1 of data from the BABAR experiment at PEP-II, collected at center-of-mass energies at and near the Υ(4S) resonance. We measure the branching fraction for the τ-→ηK-ντ decay mode, B(τ-→ηK-ντ)=(1.42±0.11(stat)±0.07(syst))×10-4, and report a 95% confidence level upper limit for the second-class current process τ-→ηπ-ντ, B(τ-→ηπ-ντ)<9.9×10-5.
| Other titles: | Studies of tau- ---> eta K-nu and tau- ---> eta pi- nu(tau) at BaBar and a search for a second-class current |
|---|---|
| Item Type: | Journal Article, refereed, original work |
| Communities & Collections: | 07 Faculty of Science > Physics Institute |
| Dewey Decimal Classification: | 530 Physics |
| Scopus Subject Areas: | Physical Sciences > Nuclear and High Energy Physics
Physical Sciences > Physics and Astronomy (miscellaneous) |
| Language: | English |
| Date: | 2011 |
| Deposited On: | 12 Feb 2012 17:12 |
| Last Modified: | 06 Jun 2025 01:39 |
| Publisher: | American Physical Society |
| ISSN: | 1550-7998 (P) 1089-4918 (E) |
| OA Status: | Hybrid |
| Publisher DOI: | https://doi.org/10.1103/PhysRevD.83.032002 |
| Related URLs: | http://arxiv.org/abs/1011.3917 |
BABAR Collaboration