在Belle实验上测量sin2φ₁
高能物理 - 实验
2009-10-31 v1
摘要
利用在Υ(4S)上收集的6.2 fb^-1数据，Belle报告了其对sin 2φ₁ = 0.45^{+0.43}_{-0.44}(统计)^{+0.07}_{-0.09}(系统)的首次测量。该结果是通过拟合味标记且完全重建的中性B介子衰变到五种不同粲偶素加一个K短或K长道的本征时间分布得到的。本文将简要描述该分析和结果。
引用
@article{arxiv.hep-ex/0012028,
title = {Measurement of sin2phi_1 at Belle},
author = {Jorge L. Rodriguez},
journal= {arXiv preprint arXiv:hep-ex/0012028},
year = {2009}
}
备注
Five pages, four figures. This paper is a writeup of a talk given at the DPF2000 Conference held in Columbus Ohio in August 2000. The proceedings will be published in the "Internation Journal of Modern Physics A", by World Scientific