OPERA实验的最新结果
Recent results of the OPERA experiment
摘要：
OPERA实验旨在直接确认大气部门的主要振荡机制，寻找几乎纯$ν_μ$光束（欧洲核子研究中心CNGS光束）中出现的$ν_τ$。在五年的物理运行的实验收集$17.97 \times 10^{19}$ p.o.t.探测$τ$ s产生的$ν_τ$ CC相互作用和它们的衰变是利用高空间分辨率的核乳液。此外，OPERA在探测电子中微子相互作用方面具有良好的能力，为$ν_μ \rightarrow ν_{e}$振荡通道设置了限制。在这次演讲中，分析的状态将与两个振荡通道的更新结果一起呈现。
英文摘要：
The OPERA experiment aims at the direct confirmation of the leading oscillation mechanism in the atmospheric sector looking for the appearance of $ν_τ$ in an almost pure $ν_μ$ beam (the CERN CNGS beam). In five years of physics run the experiment collected $17.97 \times 10^{19}$ p.o.t. The detection of $τ$s produced in $ν_τ$ CC interactions and of their decays is accomplished exploiting the high spatial resolution of nuclear emulsions. Furthermore OPERA has good capabilities in detecting electron neutrino interactions, setting limits on the $ν_μ \rightarrow ν_{e}$ oscillation channel. In this talk the status of the analysis will be presented together with updated results on both oscillation channels.
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