Positivity constraints on spin observables in exclusive pseudoscalar meson photoproduction

被引：13

作者：

Artru, Xavier

Richard, Jean-Marc

Soffer, Jacques

机构：

[1] IN2P3, CNRS, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[2] Univ Lyon 1, F-69622 Villeurbanne, France

[3] Univ Grenoble 1, Inst Phys Subatom & Cosmol, CNRS, IN2P3, F-38026 St Martin Dheres, France

[4] Le Zenon A, F-13009 Marseille, France

来源：

PHYSICAL REVIEW C | 2007年 / 75卷 / 02期

关键词：

D O I：

10.1103/PhysRevC.75.024002

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：

Positivity constraints have proved to be important for spin observables of exclusive reactions involving polarized initial and final particles. Attention is focused on the photoproduction of pseudoscalar mesons from spin 1/2 baryons, more specifically gamma N -> K Lambda,gamma N -> K Sigma, for which new experimental data are becoming available.

引用

页数：6

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