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Evidence for charged B meson decays to a(1)(+/-)(1260)pi(0) and a(1)(0)(1260)pi(+/-)
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Harrison, P. F., Ilić, Jelena, Latham, Thomas, Mohanty, G. B. and Pappagallo, M. (2007) Evidence for charged B meson decays to a(1)(+/-)(1260)pi(0) and a(1)(0)(1260)pi(+/-). Physical Review Letters, Vol.99 (No.26). doi:10.1103/PhysRevLett.99.261801 ISSN 0031-9007.
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Official URL: http://dx.doi.org/10.1103/PhysRevLett.99.261801
Abstract
We present measurements of the branching fractions for the decays B-+/--> a(1)(+/-)(1260)pi(0) and B-+/--> a(1)(0)(1260)pi(+/-) from a data sample of 232x10(6) B(B)over-bar pairs produced in e(+)e(-) annihilation through the Upsilon(4S) resonance. We measure the branching fraction B(B-+/--> a(1)(+/-)(1260)pi(0))xB(a(1)(+/-)(1260)->pi(-)pi(+)pi(+/-))=(13.2 +/- 2.7 +/- 2.1)x10(-6) with a significance of 4.2 sigma, and the branching fraction B(B-+/--> a(1)(0)(1260)pi(+/-))xB(a(1)(0)(1260)->pi(-)pi(+)pi(0))=(20.4 +/- 4.7 +/- 3.4)x10(-6) with a significance of 3.8 sigma, where the first error quoted is statistical and the second is systematic.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QC Physics | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review Letters | ||||
Publisher: | American Physical Society | ||||
ISSN: | 0031-9007 | ||||
Official Date: | 31 December 2007 | ||||
Dates: |
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Volume: | Vol.99 | ||||
Number: | No.26 | ||||
Number of Pages: | 7 | ||||
DOI: | 10.1103/PhysRevLett.99.261801 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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