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arXiv 0711.2189hep-ex
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寻找破坏τ衰变为三个轻子的轻子味道

Search for Lepton Flavor Violating tau Decays into Three Leptons

Y. Miyazaki

摘要:

我们使用KEKB非对称能量e+e对撞机Belle探测器收集的535 fb-1数据搜索轻子味破坏τ衰变为三轻子(电子或μ子)。没有观察到这些衰变的证据,我们将90%的置信水平上限设为分支分数(2.0-4.1)x10^-8。这些结果比我们以前公布的上限提高了4.9到10倍。

英文摘要:

We search for lepton-flavor-violating tau decays into three leptons (electron or muon) using 535 fb-1 of data collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. No evidence for these decays is observed, and we set 90% confidence level upper limits on the branching fractions of (2.0-4.1)x10^-8. These results improve upon our previously published upper limits by factors of 4.9 to 10.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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