Journal
PHYSICAL REVIEW LETTERS
Volume 88, Issue 5, Pages -Publisher
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.88.051802
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We propose a way of measuring the photon polarization in radiative B decays into K resonance states decaying to Kpipi which can test the standard model and probe new physics. The photon,polarization is shown to be measured by the up-down asymmetry, of the photon direction relative to the Kpipi decay plane in the K resonance rest frame. The integrated asymmetry, in K-1 (1400) --> Kpipi, calculated to be 0.34+/-0.05 in the standard model, is measurable at currently operating B factories.
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