Measurement of direct photon emission in $K^+ \to π^+ π^0 γ$ decay using stopped positive kaons

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dc.creatorShimizu, Suguru
dc.creatorCollaboration, for KEK-E470
dc.date2002-12-19
dc.date.accessioned2026-07-07T10:32:13Z
dc.date.available2026-07-07T10:32:13Z
dc.descriptionThe radiative decay $K^+ \to π^+ π^0 γ$ ($K_{π2 γ}$) has been measured with stopped positive kaons. A $K_{π2 γ}$ sample containing 4k events was analyzed, and the $K_{π2 γ}$ branching ratio of the direct photon emission process was determined to be $[6.1\pm2.5({\rm stat})\pm1.9({\rm syst})]\times 10^{-6}$. No interference pattern with internal bremsstrahlung was observed.
dc.description12 pages, 6 figures, 2 tables, to be published in Phys. Lett. B
dc.identifierhttps://arxiv.org/abs/hep-ex/0212048
dc.identifierhttp://arxiv.org/abs/hep-ex/0212048
dc.identifierPhys.Lett.B554:7-14,2003
dc.identifierdoi:10.1016/S0370-2693(02)03236-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178678
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurement of direct photon emission in $K^+ \to π^+ π^0 γ$ decay using stopped positive kaons
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