氘核上单K介子光生中的五夸克态、尖点与会散射
核理论
2008-11-26 v2
摘要
在相空间中定义很好的部分， 和 再散射依赖于壳上初等矩阵元以及氘核波函数的低动量分量。这为我们提供了独特机会，来研究在 Kaon 和 Hyperon 束诱发的核子靶反应低能分析中可能遗漏的散射振幅细节。当与典型实验质量分辨率折叠时，宽度为 1 MeV 的窄态对 质量谱的贡献不超过 10%。相反，在 质量谱中 产生阈附近可轻易探测到一个尖点。
引用
@article{arxiv.nucl-th/0603009,
title = {Pentaquark, cusp and rescattering in single kaon photoproduction off deuterium},
author = {J. M. Laget},
journal= {arXiv preprint arXiv:nucl-th/0603009},
year = {2008}
}
备注
7 pages; 7 figures Updated version after referees' review. Main changes: 1- The contribution of positive parity pentaquark has also been considered; 2- Figure 5 has been added. It shows the expected angular distributions of the contribution of a positive or negative parity pentaquark; 3- Units in Figure 4 and 7 have been updated; 4- The reference list has been updated