An experimental study of the K+ → πoμ+ν decay dalitz plot |
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| Authors: | H Braun M Cornelssen HU Martyn O Erriquez S Natali F Romano D Bertrand M Csejthey-Barth J Lemonne P Renton P Villain DC Cundy TI Pedersen D Waldren |
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| Institution: | III. Physikalische Institut der Technischen Hochschule, Aachen, Germany;Istituto di Fisica dell''Università di Bari, Istituto Nazionale di Fisica Nucleare, Sezione di Bari, Bari, Italy;Inter-University Institute for High Energies (ULB-VUB), Brussels, Belgium;CERN, Geneva, Switzerland |
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| Abstract: | A sample of K+μ3 events, detected in the CERN 1.1 m3 heavy-liquid bubble chamber, has been used to investigate the q2 dependence of the form factors, giving ξ(0) = ?1.1 ± 1.0 and ξ(6.6m2π) = ?0.34 ± 0.20, for λ+ = 0.027. A three parameter fit gives a value for λ+ = 0.025 ± 0.017 in good agreement with the preceding Ke3 analysis. |
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