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Branching fraction and charge asymmetry measurements in B→J/ψππn decays
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BABAR Collaboration (Including:
). (2007) Branching fraction and charge asymmetry measurements in B→J/ψππn decays. Physical Review D, Vol.76 (No.3). Article: 031101(R). doi:10.1103/PhysRevD.76.031101 ISSN 1550-7998.Research output not available from this repository.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.76.031101
Abstract
We study the decays B-0 -> J/psi pi(+)pi(-) and B+-> J/psi pi(+)pi(0), including intermediate resonances, using a sample of 382x10(6) B (B) over bar pairs recorded by the BABAR detector at the PEP-II e(+)e(-) B factory. We measure the branching fractions B(B-0 -> J/psi rho(0))=(2.7 +/- 0.3 +/- 0.2)x10(-5) and B(B+-> J/psi rho(+))=(5.0 +/- 0.7 +/- 0.3)x10(-5). We also set the following upper limits at the 90% confidence level: B(B-0 -> J/psi pi(+)pi(-) nonresonant)< 1.2x10(-5), B(B-0 -> J/psi f(2))< 4.6x10(-6), and B(B+-> J/psi pi(+)pi(0) nonresonant)< 7.3x10(-6). We measure the charge asymmetry in charged B decays to J/psi rho to be -0.11 +/- 0.12 +/- 0.08.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QB Astronomy Q Science > QC Physics |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | August 2007 | ||||
Dates: |
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Volume: | Vol.76 | ||||
Number: | No.3 | ||||
Number of Pages: | 9 | ||||
Page Range: | Article: 031101(R) | ||||
DOI: | 10.1103/PhysRevD.76.031101 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published |
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