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arXiv 1012.1309hep-ex
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ATLAS实验中的双射流角分布

Dijet Angular Distributions at the ATLAS Experiment

Pier-Olivier DeViveiros

摘要:

在LHC上用ATLAS探测器测量了7 TeV质子-质子第一次碰撞产生的双喷流角分布。使用的数据集对应于61 $\pm$ 7 nb $^{-1}$的总积分亮度。将这些分布与基于Monte Carlo的QCD预测进行比较,结果表明数据与QCD之间有很好的一致性。这些分布被用来限制夸克复合性的存在。

英文摘要:

Dijet angular distributions from the first proton-proton collisions at 7 TeV have been measured with the ATLAS detector at the LHC. The dataset used corresponds to a total integrated luminosity of 61 $\pm$ 7 nb$^{-1}$. Comparing the distributions with Monte Carlo based QCD predictions shows good agreement between data and QCD. The distributions are used to set limits on the existence of quark compositeness.

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