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Measurement of the absolute branching ratio of the K+ -> pi(+) pi(-) pi(+) (gamma) decay with the KLOE detector
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2014 (English)In: Physics Letters B, ISSN 0370-2693, Vol. 738, 128-133 p.Article in journal (Refereed) Published
Abstract [en]

The absolute branching ratio of the K+ -> pi(+) pi(-) pi(+) (gamma) decay, inclusive of final-state radiation, has been measured using similar to 17 million tagged K+ mesons collected with the KLOE detector at DA Phi NE, the Frascati phi-factory. The result is: BR(K+ -> pi(+) pi(-) pi(+) (gamma)) = 0.05565 +/- 0.00031(stat) +/- 0.00025(syst) a factor similar or equal to 5 more precise with respect to the previous result. This work completes the program of precision measurements of the dominant kaon branching ratios at KLOE.

Place, publisher, year, edition, pages
2014. Vol. 738, 128-133 p.
Keyword [en]
e(+) e(-) experiments, Kaon decays
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-240116DOI: 10.1016/j.physletb.2014.09.033ISI: 000344624900018OAI: diva2:776935
Available from: 2015-01-08 Created: 2015-01-05 Last updated: 2015-01-08Bibliographically approved

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Balkeståhl, Li CaldeiraHöistad, BoJohansson, TordKupsc, AndrzejWolke, Magnus
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