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Evidence for the B-0 -> p(p)over-barK*(0) and B+->eta K-c*(+) decays and study of the decay dynamics of B meson decays into p(p)over-barh final states
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(2007) Evidence for the B-0 -> p(p)over-barK*(0) and B+->eta K-c*(+) decays and study of the decay dynamics of B meson decays into p(p)over-barh final states. PHYSICAL REVIEW D, 76 (9). -. doi:10.1103/PhysRevD.76.092004 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.76.092004
Abstract
With a sample of 232x10(6) Upsilon(4S)-> B (B) over bar events collected with the BABAR detector, we study the decays of B mesons to p (p) over barh final states, where h=pi(+), K-S(0), K*(0), or K*(+). We report evidence for the B-0 -> p (p) over barK(*0) decay, with a branching fraction (1.47 +/- 0.45(stat)+/- 0.40(syst))x10(-6), and for the B+->eta K-c*(+) decay, with the branching fraction of B(B+->eta K-c*(+))xB(eta(c)-> p (p) over bar)=(1.57(-0.45)(+0.56)(stat)(-0.36)(+0.46)(syst))x10(-6), and provide improved measurements of the branching fractions of the other modes of this type. We also report the measurements of the charge asymmetry consistent with zero in the B+-> p (p) over bar pi(+), B-0 -> p (p) over barK*(0), and B+-> p (p) over barK*(+) modes. No evidence is found for the pentaquark candidate Theta(+) in the mass range 1.52 to 1.55 GeV/c(2), decaying into pK(S)(0), or the glueball candidate f(J)(2220) in the mass range 2.2 < m(p (p) over bar)< 2.4 GeV/c(2), and branching fraction limits are established for both at the 10(-7) 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: | AMER PHYSICAL SOC | ||||
ISSN: | 1550-7998 | ||||
Official Date: | November 2007 | ||||
Dates: |
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Volume: | 76 | ||||
Number: | 9 | ||||
Number of Pages: | 18 | ||||
Page Range: | - | ||||
DOI: | 10.1103/PhysRevD.76.092004 | ||||
Publication Status: | Published |
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