ππ SCATTERING LENGTHS FROM MEASUREMENTS OF Ke4 AND K± → π±π0π0 DECAYS AT NA48/2

被引：0
|
作者：
Madigozhin, Dmitry [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
来源：
PARTICLE PHYSICS ON THE EVE OF LHC | 2009年
关键词：
EQUATION;
D O I：
10.1142/9789812837592_0043
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The NA48/2 experiment at the CERN SPS has collected a large sample of charged kaon decays. From the 2003 and most of 2004 statistics, the pi pi scattering lengths a(0)(0) and a(0)(2) have been extracted through the interpretation of an anomaly (cusp) in the pi(0)pi(0) effective mass distribution of the decay K-+/- -> pi(+/-)pi(0)pi(0). Using 2003 data, the form factors of K-e4 decays have been obtained, allowing the independent measurement of the same pi pi scattering parameters.
引用
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页码：280 / 284
页数：5
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