Study of the isobar configurations in the 12C and 16O ground states

被引：2

作者：

Glavanakov I.V. ^{[1
]}

Grabmayr P. ^{[2
]}

Krechetov Yu.F. ^{[1
]}

Tabachenko A.N. ^{[1
]}

机构：

[1] Research Institute of Nuclear Physics, Tomsk Polytechnic University

[2] Institute of Physics, University of Tuebingen

来源：

Bulletin of the Russian Academy of Sciences: Physics | 2010年 / 74卷 / 6期

关键词：

Pair Production; Proton Energy; Differential Yield; Positive Pion; Isobar Configuration;

D O I：

10.3103/S1062873810060043

中图分类号：

学科分类号：

摘要：

Experimental research on positive-pion photoproduction on the oxygen nucleus in the 16O(γ, π+p) reaction at high recoil momenta of the residual nuclear system was performed. The yield for the 16O(γ, π+p) reaction was analyzed using a model that takes Δ-isobar configurations in nuclei ground states into account, together with the earlier-measured yield of the12C(γ, π+p) reaction. The estimated number of isobars per nucleon N Δ = 0.012 ± 0.005 was obtained for the 12C nucleus, and 16O N Δ = 0.018 ± 0.004 was obtained for the 16O nucleus. © 2010 Allerton Press, Inc.

引用

页码：747 / 749

页数：2

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