An experimental study of the form factor in the decay K+ → πoe+ν期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

An experimental study of the form factor in the decay K⁺ → π^oe⁺ν

Authors:	H. Braun M. Cornelssen H.-U. Martyn O. Erriquez S. Natali F. Romano D. Bertrand M. Csejthey-Barth J. Lemonne P. Renton P. Vilain D.C. Cundy T.I. Pedersen D. Waldren

Affiliation:	III Physikalisches Institut der Technischen Hochschule, Aachen, Germany;Istitu 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

Abstract:	The q² variation of the factor $?_{+} (q^{2})$ in the decay K⁺→π⁰e⁺ν has been studied using a sample of even detected in the CERN 1.1 m³ heavy-liquid bubble chamber. The data are consistent with a linear development $?_{+} (q^{2})=?_{+} (0) (1+λ_{+} q/m^{2}_{π})$ with λ₊=0.027±0.008.

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