A study of A2 and g resonance production in π−p→K−K0p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

A study of A₂ and g resonance production in π⁻p→K⁻K⁰p

Authors:	A.D. Martin E.N. Ozmutlu R. Baldi T. Böhringer P.A. Dorsaz V. Hungerbühler M.N. Kienzle-Focacci M. Martin A. Mermoud C. Nef P. Siegrist

Affiliation:	Department of Physics, University of Durham, UK;University of Geneva, Switzerland

Abstract:	We present the results and the analysis of a high-statistics experiment to study A₂ and g production in the reaction π^?p→K^?K_S⁰p at 10 GeV/c. In each resonance region we perform a moment analysis of the data, and from the moments we determine the production amplitudes as a function of t. We find A₂ production proceeds dominantly by natural-parity (pomeron and f) exchange. We compare A₂ and diffractive K¹ (1420) production. We find g production proceeds by π and ω exchanges; we determine the $g → K K$ branching ratio.

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