在 Omega- -> Lambda + K- 衰变中观察到奇异性破坏
高能物理 - 实验
2008-11-26 v1
摘要
我们测量了 Omega- -> Lambda + K- 过程中的 alpha 衰变参数，从 Fermilab 的 HyperCP (E871) 实验记录的 450 万个无偏振 Omega- 衰变中得到，结果为 [1.78 +/- 0.19(stat) +/- 0.16(syst)]×10^{-2}。这是对 Omega- -> Lambda + K- 衰变中 alpha 衰变参数非零且且奇异性破坏的首次明确证据。
引用
@article{arxiv.hep-ex/0505010,
title = {Observation of Parity Violation in the Omega-minus -> Lambda + K-minus Decay},
author = {HyperCP Collaboration and L. C. Lu and R. A. Burnstein and A. Chakravorty and Y. C. Chen and W. -S. Choong and K. Clark and E. C. Dukes and C. Durandet and J. Felix and Y. Fu and G. Gidal and H. R. Gustafson and T. Holmstrom and M. Huang and C. James and C. M. Jenkins and T. D. Jones and D. M. Kaplan and M. J. Longo and W. Luebke and K. -B. Luk and K. S. Nelson and H. K. Park and J. -P. Perroud and D. Rajaram and H. A. Rubin and J. Volk and C. G. White and S. L. White and P. Zyla},
journal= {arXiv preprint arXiv:hep-ex/0505010},
year = {2008}
}
备注
10 pages, 7 figures