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Measurement of the D+->pi(+) pi(0) and D+-> K+ pi(0) branching fractions

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Aubert, B., Barate, R., Bona, M., Boutigny, D., Couderc, F., Karyotakis, Y., Lees, J. P., Poireau, V., Tisserand, V., Zghiche, A. et al.
(2006) Measurement of the D+->pi(+) pi(0) and D+-> K+ pi(0) branching fractions. PHYSICAL REVIEW D, 74 (1). -. doi:10.1103/PhysRevD.74.011107

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Official URL: http://dx.doi.org/10.1103/PhysRevD.74.011107

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Abstract

We present measurements of the branching fractions for the Cabbibo suppressed decays D+->pi(+)pi(0) and D+-> K+pi(0) based on a data sample corresponding to an integrated luminosity of 124.3 fb(-1). The data were taken with the BABAR detector at the PEP-II B Factory operating on and near the Upsilon(4S) resonance. We find B(D+->pi(+)pi(0))=(1.25 +/- 0.10 +/- 0.09 +/- 0.04)x10(-3) and B(D+-> K+pi(0))=(2.52 +/- 0.47 +/- 0.25 +/- 0.08)x10(-4), where the first uncertainty is statistical, the second systematic and the last error is due to the uncertainties in the absolute branching fraction scale for D+ mesons. This represents the first observation of the doubly Cabibbo-suppressed D+-> K+pi(0) decay mode and a new measurement of the D+->pi(+)pi(0) branching fraction.

Item Type: Journal Article
Subjects: Q Science > QB Astronomy
Q Science > QC Physics
Journal or Publication Title: PHYSICAL REVIEW D
Publisher: AMERICAN PHYSICAL SOC
ISSN: 1550-7998
Official Date: July 2006
Dates:
DateEvent
July 2006UNSPECIFIED
Volume: 74
Number: 1
Number of Pages: 8
Page Range: -
DOI: 10.1103/PhysRevD.74.011107
Publication Status: Published

Data sourced from Thomson Reuters' Web of Knowledge

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