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Measurement of (B)over-bar(0)-> D-(*()0)(K)over-bar(()*()0) branching fractions
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(2006) Measurement of (B)over-bar(0)-> D-(*()0)(K)over-bar(()*()0) branching fractions. PHYSICAL REVIEW D, 74 (3). -. doi:10.1103/PhysRevD.74.031101 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.74.031101
Abstract
We present a study of the decays (B) over bar (0)-> D-(*)0(K) over bar ((*)0) using a sample of 226x10(6) Upsilon(4S)-> B (B) over bar decays collected with the BABAR detector at the PEP-II asymmetric-energy e(+)e(-) collider at SLAC. We report evidence for the decay of B-0 and (B) over bar (0) mesons to the (DKS0)-K-*0 final state with an average branching fraction B(B-0 ->(DK0)-K-*0)equivalent to(B((B) over bar (0)-> D-*0(K) over bar (0))+B(B-0 ->(DK0)-K-*0))/2=(3.6 +/- 1.2 +/- 0.3)x10(-5). Similarly, we measure B(B-0 ->(DK0)-K-0)equivalent to(B((B) over bar (0)-> D-0(K) over bar (0))+B(B-0 ->(DK0)-K-0))/2=(5.3 +/- 0.7 +/- 0.3)x10(-5) for the (DKS0)-K-0 final state. We measure B((K) over bar (0)-> D-0(K) over bar (*0))=(4.0 +/- 0.7 +/- 0.3)x10(-5) and set a 90% confidence level upper limit B((B) over bar (0)->(D) over bar (0)(K) over bar (*0))< 1.1x10(-5). We determine the upper limit for the decay amplitude ratio vertical bar A((B) over bar (0)->(D) over bar (0)(K) over bar (*0))/A((B) over bar (0)-> D-0(K) over bar (*0))vertical bar to be less than 0.4 at the 90% confidence level.
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: | August 2006 | ||||
Dates: |
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Volume: | 74 | ||||
Number: | 3 | ||||
Number of Pages: | 8 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevD.74.031101 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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