首次观察到衰变 K+ -> e+ nu mu+ mu-
高能物理 - 实验
2008-11-26 v3
摘要
Brookhaven AGS 的实验 865 观察到了衰变 K^+ -> e^+ nu mu^+ mu^-。提取的分支比为 (1.72 +/- 0.37(stat) +/- 0.17(syst) +/- 0.19(model)) × 10^{-8}，其中误差中的第三项源于使用模型对背景主导的运动学区域进行外推。
引用
@article{arxiv.hep-ex/0505011,
title = {First observation of the decay K+ -> e+ nu mu+ mu-},
author = {H. Ma and R. Appel and G. S. Atoyan and B. Bassalleck and D. R. Bergman and N. Cheung and S. Dhawan and H. Do and J. Egger and S. Eilerts and W. Herold and V. V. Issakov and H. Kaspar and D. E. Kraus and D. M. Lazarus and P. Lichard and J. Lowe and J. Lozano and W. Majid and S. Pislak and A. A. Poblaguev and P. Rehak and A. Sher and J. A. Thompson and P. Truoel and M. E. Zeller},
journal= {arXiv preprint arXiv:hep-ex/0505011},
year = {2008}
}
备注
4 pages, 6 figures, Revtex4. Correction to figure and minor text changes