Kπ矢量形状因子与K_{l3}衰变的约束
高能物理 - 唯象学
2011-01-17 v1 高能物理 - 实验
摘要
对矢量形状因子的斜率和曲率参数进行了拟合,数据来自和衰变,得到和。的极点位置确定为 MeV,宽度为 MeV。还计算了与分析相关的相空间积分以及波同位旋1/2 相移阈值参数。
引用
@article{arxiv.1101.2887,
title = {The Kpi vector form factor and constraints from Kl3 decays},
author = {Diogo R. Boito and Rafel Escribano and Matthias Jamin},
journal= {arXiv preprint arXiv:1101.2887},
year = {2011}
}
备注
6 pages, uses econfmacros style. Talk presented by R. Escribano at the 6th International Workshop on the CKM Unitarity Triangle (CKM2010), University of Warwick, UK, 6-10 September 2010