在Lambda_c-反Lambda_c中可能的psi(5S)、psi(4D)、psi(6S)和psi(5D)信号
高能物理 - 唯象学
2009-08-03 v3 高能物理 - 实验
摘要
研究表明，Belle合作组最近报告的Lambda_c+-Lambda_c-信号（ARXIV:0807.4458）包含psi(5S)和psi(4D) c-cbar矢量态的清晰迹象，并且也提供了psi(6S)和psi(5D)质量和宽度的某些指示。此外，论证了Lambda_c+-反Lambda_c-截面的阈值行为暗示存在迄今未探测到的、位于Lambda_c+-Lambda_c-阈值附近下方的psi(3D)态。
引用
@article{arxiv.0809.1151,
title = {Possible psi(5S), psi(4D), psi(6S) and psi(5D) signals in Lambda(c)-antiLambda(c)},
author = {Eef van Beveren and Xiang Liu and Rita Coimbra and George Rupp},
journal= {arXiv preprint arXiv:0809.1151},
year = {2009}
}
备注
11 pages plain LaTeX and 5 figures; version 2: Background contribution removed; much better result; some references added; version 3: discussion on phase space included