中文

阈值附近η介子的产生

高能物理 - 唯象学 2007-05-23 v1 核理论

摘要

我们论证了pd3 ⁣H ⁣eηp\, d \rightarrow \,^{3\!}H\!e\, \eta反应截面在阈值附近的强能量依赖性源于η介子与3^3He核之间的末态相互作用。由此推出的大散射长度与光学势预言一致,并表明在η3^3He系统中存在一个近邻的虚“束缚”态。该模型预示,在其他轻核的产生阈值附近也应观察到尖锐的结构。

关键词

引用

@article{arxiv.hep-ph/9303246,
  title  = {Production of $\eta$ Mesons Near Threshold},
  author = {Colin Wilkin},
  journal= {arXiv preprint arXiv:hep-ph/9303246},
  year   = {2007}
}

备注

(Talk given at the BNL workshop on future directions in particle and nuclear physics at multi-GeV hadron beam facilities, March 4--6, 1993) 5 pages (LATEX), 4 figures (not included, available in postscript form from the author on DECNET 19823::CW), UCL-HEP-9302