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Observation of the Rare Decay B+ -> K+ pi0 pi0

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del Amo Sanchez, P., Lees, J., Poireau, V., Prencipe, E., Tisserand, V., Garra Tico, J., Grauges, E., Martinelli, M., Palano, A., Pappagallo, M. et al.
(2010) Observation of the Rare Decay B+ -> K+ pi0 pi0. In: Flavor Physics and CP Violation 2010, Turin, Italy, May 25th-29th, 2010 doi:10.1103/PhysRevD.82.111101

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Abstract

We report an analysis of charmless hadronic decays of charged B mesons to the final state K+ pi0 pi0, using a data sample of 470.9 +/- 2.8 million BBbar events collected with the BaBar detector at the Upsilon(4S) resonance. We observe an excess of signal events with a significance above 10 standard deviations including systematic uncertainties and measure the branching fraction to be BF(B+ -> K+ pi0 pi0) = (15.5 +/- 1.1 +/- 1.6) x 10^(-6), where the uncertainties are statistical and systematic, respectively.

Item Type: Conference Item (Paper)
Divisions: Faculty of Science, Engineering and Medicine > Science > Physics
Official Date: May 2010
Dates:
DateEvent
May 2010UNSPECIFIED
Number of Pages: 9
DOI: 10.1103/PhysRevD.82.111101
Status: Peer Reviewed
Conference Paper Type: Paper
Title of Event: Flavor Physics and CP Violation 2010
Type of Event: Conference
Location of Event: Turin, Italy
Date(s) of Event: May 25th-29th, 2010

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