论文标题
$ν_μ$ -AR充电与质子的相互作用的差分横截面的测量,在最终状态下与微酮检测器无需乳头
Measurement of Differential Cross Sections for $ν_μ$-Ar Charged-Current Interactions with Protons and no Pions in the Final State with the MicroBooNE Detector
论文作者
论文摘要
我们对微型酮数据进行了分析,该数据的签名是一个哑光,没有亲,至少一个质子,高于300 meV/c的动量阈值(CC0 $π$ np)。这是中微子 - 阿贡相互作用中该拓扑的第一个差分横截面测量。我们的质子动量阈值明显低于以前的碳和基于闪烁体的实验。使用总计从键入目标的总计$ 1.6 \ times 10^{20} $ protons-protons-protons-neutrino横截面的CC0 $π$ NP相互作用通道的Muon Neutrino横截面,在Booster Netrino Beam中的Microboone的Argon中,平均能量的平均能量约为800 MEV。我们从五个重建变量中的估计效率为29 \%的数据样本中介绍了估计效率为29 \%的结果:MUON动量和极角,前导质子动量和极性角度,以及Muon-Proton的开头。我们包括涂抹矩阵,可用于与这些数据进行比较来“前折”理论预测。我们将测得的差异截面与许多最近的理论预测进行了比较,证明了与氩气的第一个数据基本上的一致性。
We present an analysis of MicroBooNE data with a signature of one muon, no pions, and at least one proton above a momentum threshold of 300 MeV/c (CC0$π$Np). This is the first differential cross section measurement of this topology in neutrino-argon interactions. We achieve a significantly lower proton momentum threshold than previous carbon and scintillator-based experiments. Using data collected from a total of approximately $1.6 \times 10^{20}$ protons-on-target, we measure the muon neutrino cross section for the CC0$π$Np interaction channel in argon at MicroBooNE in the Booster Neutrino Beam which has a mean energy of around 800 MeV. We present the results from a data sample with estimated efficiency of 29\% and purity of 76\% as differential cross sections in five reconstructed variables: the muon momentum and polar angle, the leading proton momentum and polar angle, and the muon-proton opening angle. We include smearing matrices that can be used to "forward-fold" theoretical predictions for comparison with these data. We compare the measured differential cross sections to a number of recent theory predictions demonstrating largely good agreement with this first-ever data set on argon.