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arXiv 1105.6302hep-ex
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ATLAS最新物理学成果

Recent results on top physics at ATLAS

M. Cristinziani

摘要:

在2010年大型强子对撞机在\surd s = 7 TeV运行期间,ATLAS探测器收集了大量高pT触发器的数据样本,35/pb,对应于大约2,500个产生的顶夸克对事件,其中至少包含一个末态轻子(e或mu)。测量了顶夸克衰变过程中的顶夸克对产生截面、顶质量和W螺旋度分数,并研究了单顶夸克产生和具有反常失横能的顶夸克对产生。

英文摘要:

During the 2010 pp run of the Large Hadron Collider at \surd s = 7 TeV, a substantial data sample of high pT triggers, 35/pb, has been collected by the ATLAS detector, corresponding to about 2,500 produced top-quark pair events containing at least one lepton (e or mu) in the final state. Measurements of the top-quark pair production cross-section, the top mass, the W helicity fractions in top-quark decays and studies of single-top quark production and top-quark pair production with anomalous missing transverse energy are presented.

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