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Search for the decay tau(-)-> 3 pi(-)2 pi(+)2 pi(0)nu(tau)
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BaBar Collaboration (Including:
). (2006) Search for the decay tau(-)-> 3 pi(-)2 pi(+)2 pi(0)nu(tau). PHYSICAL REVIEW D, 73 (11). -. doi:10.1103/PhysRevD.73.112003 ISSN 1550-7998.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.73.112003
Abstract
A search for the decay of the tau lepton to five charged and two neutral pions is performed using data collected by the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider. The analysis uses 232 fb(-1) of data at center-of-mass energies on or near the Upsilon(4S) resonance. We observe 10 events with an expected background of 6.5(-1.4)(+2.0) events. In the absence of a signal, we set the limit on the branching ratio B(tau(-)-> 3 pi(-)2 pi(+)2 pi(0)nu(tau))< 3.4x10(-6) at the 90% confidence level. This is a significant improvement over the previously established limit. In addition, we search for the decay mode tau(-)-> 2 omega pi(-)nu(tau). We observe 1 event with an expected background of 0.4(-0.4)(+1.0) events and calculate the upper limit B(tau(-)-> 2 omega pi(-)nu(tau))< 5.4x10(-7) at the 90% confidence level. This is the first upper limit for this mode.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Journal or Publication Title: | PHYSICAL REVIEW D | ||||
Publisher: | AMERICAN PHYSICAL SOC | ||||
ISSN: | 1550-7998 | ||||
Official Date: | June 2006 | ||||
Dates: |
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Volume: | 73 | ||||
Number: | 11 | ||||
Number of Pages: | 8 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevD.73.112003 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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