Measurement of $K^+ \to π^0 π^0 e^+ ν$ ($K_{e4}^{00}$) decay using stopped positive kaons

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dc.creatorShimizu, S.
dc.creatorHorie, K.
dc.creatorAliev, M.
dc.creatorAsano, Y.
dc.creatorBaker, T.
dc.creatorDepommier, P.
dc.creatorHasinoff, M.
dc.creatorIgarashi, Y.
dc.creatorImazato, J.
dc.creatorIvashkin, A. P.
dc.creatorKhabibullin, M. M.
dc.creatorKhotjantsev, A. N.
dc.creatorKudenko, Y. G.
dc.creatorLevchenko, A.
dc.creatorLim, G. Y.
dc.creatorMacdonald, J. A.
dc.creatorMineev, O. V.
dc.creatorRangacharyulu, C.
dc.creatorSawada, S.
dc.date2004-08-20
dc.date.accessioned2026-07-07T10:28:28Z
dc.date.available2026-07-07T10:28:28Z
dc.descriptionThe $K^+ \to π^0 π^0 e^+ ν$ ($K_{e4}^{00}$) decay has been measured with stopped positive kaons for a data sample of 216 events. A comparison of the observed spectra with a Monte Carlo simulation determined the $K_{e4}^{00}$ form factor. The results are compatible with the $K^+ \to π^+ π^- e^+ ν$ data, as estimated from the $ΔI=1/2$ rule. We also established that the $K_{e4}^{00}$ channel can be used to determine the $π$-$π$ scattering lengths.
dc.descriptionabout 10 pages, 3figures
dc.identifierhttps://arxiv.org/abs/hep-ex/0408098
dc.identifierhttp://arxiv.org/abs/hep-ex/0408098
dc.identifierPhys.Rev.D70:037101,2004
dc.identifierdoi:10.1103/PhysRevD.70.037101
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/177456
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurement of $K^+ \to π^0 π^0 e^+ ν$ ($K_{e4}^{00}$) decay using stopped positive kaons
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