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Search for scalar leptoquarks in pp collisions at root s=13TeV with the ATLAS experiment
ATLAS Collaboration
2016
发表期刊NEW JOURNAL OF PHYSICS
卷号18
文章类型Article
摘要An inclusive search for a new-physics signature of lepton-jet resonances has been performed by the ATLAS experiment. Scalar leptoquarks, pair-produced in pp collisions at root s = 13 TeV at the large hadron collider, have been considered. An integrated luminosity of 3.2 fb(-1), corresponding to the full 2015 dataset was used. First (second) generation leptoquarks were sought in events with two electrons (muons) and two or more jets. The observed event yield in each channel is consistent with Standard Model background expectations. The observed (expected) lower limits on the leptoquark mass at 95% confidence level are 1100 and 1050 GeV (1160 and 1040 GeV) for first and second generation leptoquarks, respectively, assuming a branching ratio into a charged lepton and a quark of 100%. Upper limits on the aforementioned branching ratio are also given as a function of leptoquark mass. Compared with the results of earlier ATLAS searches, the sensitivity is increased for leptoquark masses above 860 GeV, and the observed exclusion limits confirm and extend the published results.
关键词leptoquark ATLAS LHC
DOI10.1088/1367-2630/18/9/093016
关键词[WOS]PARTON DISTRIBUTIONS ; LHC
语种英语
WOS记录号WOS:000384093400001
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260884
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Search for scalar leptoquarks in pp collisions at root s=13TeV with the ATLAS experiment[J]. NEW JOURNAL OF PHYSICS,2016,18.
APA ATLAS Collaboration.(2016).Search for scalar leptoquarks in pp collisions at root s=13TeV with the ATLAS experiment.NEW JOURNAL OF PHYSICS,18.
MLA ATLAS Collaboration."Search for scalar leptoquarks in pp collisions at root s=13TeV with the ATLAS experiment".NEW JOURNAL OF PHYSICS 18(2016).
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