(2006) Measurement of the D+->pi(+) pi(0) and D+-> K+ pi(0) branching fractions. PHYSICAL REVIEW D, 74 (1). -. ISSN 1550-7998

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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
Volume:	74
Number:	1
Number of Pages:	8
Page Range:	-
Identification Number:	10.1103/PhysRevD.74.011107
Publication Status:	Published
URI:	http://wrap.warwick.ac.uk/id/eprint/33208

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