A New Measurement of the Radiative Ke3 Branching Ratio and Photon Spectrum

Details A New Measurement of the Radiative Ke3 Branching Ratio and Photon Spectrum A New Measurement of the Radiative Ke3 Branching Ratio and Photon Spectrum

2000-09-12

arxiv.org/abs/hep-ex/0009032v1

Acta Phys.Polon. B31 (2000) 2133-2138

Physics

High Energy Physics

High Energy Physics - Experiment

5 pages, 4 figures, proceedings paper from Meson 2000, Cracow, Poland, May 2000

Scientific paper

We present a preliminary report on a new measurement of the radiative neutral Ke3 branching ratio and the first study of the photon spectrum in this decay. We find BR(Ke3g, E*_g>30 GeV, Th*_eg>20 deg)/BR(Ke3) = 0.911+-0.009(stat)+0.021-0.010(syst)%. Our measurement of the spectrum is consistent with inner bremsstrahlung only as the source of photons at the 2 sigma level.

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