Top Quark Production Measurements at ATLAS

被引：1
|
作者：
Calkins, R. [1 ]
机构：
[1] No Illinois Univ, NICADD, De Kalb, IL 60115 USA
来源：
19TH PARTICLES AND NUCLEI INTERNATIONAL CONFERENCE (PANIC11) | 2012年 / 1441卷
关键词：
ATLAS; top quarks; top quark cross-section; top pairs; top;
D O I：
10.1063/1.3700668
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An overview of top quark production measurements using the ATLAS detector at the LHC is presented. Using 35 pb(-1) of data, we measured the t (t) over bar cross-section in the lepton+jets channel to 13% precision and set limits on the cross-section for the all hadronic decay channel[1, 2]. The measurement in the dilepton channel was performed using 0.70 fb(-1) of data and was combined with the lepton+jets channel result for our most precise t (t) over bar cross-section measurement of sigma(pp -> t (t) over bar +X) = 176 +/- 5(stat)(-10)(+13)(syst)+/- 7(lumi)[3, 4]. Single top production was also measured in the t-channel using 0.70 fb(-1) of data[5].
引用
收藏
页码：738 / 741
页数：4
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