中文

双核子上的K$^-$吸收及$\Sigma^0$p末态中的ppK$^-$束缚态搜索

核实验 2016-06-22 v1

摘要

我们报告了在Σ0\Sigma^0p末态中K^-吸收过程的测量,以及使用KLOE探测器对双核子吸收(2NA)的首次排他性测量。发现无进一步相互作用的2NA过程占所有其他贡献过程之和的12%,这些过程包括在三核子或更多核子上的吸收,或2NA随后与剩余核子发生末态相互作用。我们还确定了ppK^-束缚态对Σ0\Sigma^0p末态的可能贡献。发现ppK/Kstop^- /\mathrm{K^-_{stop}}的产额为(0.044±0.009stat0.005+0.004syst)102(0.044 \pm 0.009\, stat ^{+ 0.004} _{- 0.005} \,syst) \cdot 10^{-2},但基于F检验的统计显著性仅为1σ\sigma

关键词

引用

@article{arxiv.1511.04496,
  title  = {K$^-$ absorption on two nucleons and ppK$^-$ bound state search in the $\Sigma^0$p final state},
  author = {O. Vazquez Doce and L. Fabbietti and M. Cargnelli and C. Curceanu and J. Marton and K. Piscicchia and A. Scordo and D. Sirghi and I. Tucakovic and S. Wycech and J. Zmeskal and A. Anastasi and F. Curciarello and E. Czerwinski and W. Krzemien and G. Mandaglio and M. Martini and P. Moskal and V. Patera and E. Perez del Rio and M. Silarski},
  journal= {arXiv preprint arXiv:1511.04496},
  year   = {2016}
}