利用停止的正K介子测量K+→π0π0e+ν（K_{e4}^{00}）衰变
高能物理 - 实验
2008-11-26 v1
摘要
利用停止的正K介子测量了（）衰变，数据样本包含216个事件。将观测到的谱与蒙特卡洛模拟进行比较，确定了形状因子。结果与根据规则估计的数据一致。我们还确定了通道可用于测定π-π散射长度。
引用
@article{arxiv.hep-ex/0408098,
title = {Measurement of $K^+ \to \pi^0 \pi^0 e^+ \nu$ ($K_{e4}^{00}$) decay using stopped positive kaons},
author = {S. Shimizu and K. Horie and M. Aliev and Y. Asano and T. Baker and P. Depommier and M. Hasinoff and Y. Igarashi and J. Imazato and A. P. Ivashkin and M. M. Khabibullin and A. N. Khotjantsev and Y. G. Kudenko and A. Levchenko and G. Y. Lim and J. A. Macdonald and O. V. Mineev and C. Rangacharyulu and S. Sawada},
journal= {arXiv preprint arXiv:hep-ex/0408098},
year = {2008}
}
备注
about 10 pages, 3figures