a2介子的辐射宽度
高能物理 - 实验
2007-05-23 v3
摘要
我们给出了600 GeVπ介子束在C、Cu和Pb靶上相干产生π-π-π+系统的数据。利用Primakoff形式论提取a2介子的辐射宽度。我们获得初步值\Gamma(a2->π+γ)=225+/-25(统计)+/-45(系统) keV。
关键词
引用
@article{arxiv.hep-ex/9901014,
title = {Radiative Width of the a2 Meson},
author = {SELEX collaboration and V. Kubarovsky},
journal= {arXiv preprint arXiv:hep-ex/9901014},
year = {2007}
}
备注
5 pages, 2 figures (postscript). Talk,presented by V.Kubarovsky at the 1998 International Conference on High Energy Physics, Vancouver, B.C., Canada, July 1998. To be published in the proceedings