Extraction of the D13(1520) photon-decay couplings from pion- and η-photoproduction data -: art. no. 048201

被引：15

作者：

Workman, R ^{[1
]}

Arndt, RA ^{[1
]}

Strakovsky, II ^{[1
]}

机构：

[1] George Washington Univ, Dept Phys, Ctr Nucl Studies, Washington, DC 20052 USA

来源：

PHYSICAL REVIEW C | 2000年 / 62卷 / 04期

关键词：

D O I：

10.1103/PhysRevC.62.048201

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We compare results for the D-13(1520) photon-decay amplitudes determined in analyses of eta- and pion-photoproduction data. The ratio of helicity amplitudes (A(3/2)/A(1/2)), determined from eta-photoproduction data, is quite different from that determined in previous analyses of pion-photoproduction data. We consider how strongly the existing pion-photoproduction data constrain both this ratio and the individual photon-decay amplitudes.

引用

页数：3

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