The new charge symmetry breaking

被引：0
|
作者：
Stephenson, E. J. [1 ]
机构：
[1] Indiana Univ, Cyclotron Facil, Bloomington, IN 47408 USA
来源：
PROCEEDINGS OF THE 17TH INTERNATIONAL SPIN PHYSICS SYMPOSIUM | 2007年 / 915卷
关键词：
charge symmetry breaking; few-body reactions; pion production;
D O I：
暂无
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
For few body systems, the treatment of charge symmetry breaking (CSB) that is based on meson-exchange models is being replaced by effective field theories whose CSB originates in the down-up quark mass difference and quark electromagnetic effects. In parallel, two new observations of CSB in pi(0) production (the fore-aft asymmetry in n+p -> d+pi degrees and the total cross section for d+d -> He-4+pi degrees) provide applicable data.
引用
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页码：122 / 127
页数：6
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