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Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at=8 TeV using the ATLAS detector
ATLAS collaboration
2014
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号4
通讯作者Aad, G (reprint author), Aix Marseille Univ, CPPM, Marseille, France.
摘要Measurements of fiducial cross sections for the electroweak production of two jets in association with a Z-boson are presented. The measurements are performed using 20.3 fb(-1) of proton-proton collision data collected at a centre-of-mass energy of = 8 TeV by the ATLAS experiment at the Large Hadron Collider. The electroweak component is extracted by a fit to the dijet invariant mass distribution in a fiducial region chosen to enhance the electroweak contribution over the dominant background in which the jets are produced via the strong interaction. The electroweak cross sections measured in two fiducial regions are in good agreement with the Standard Model expectations and the background-only hypothesis is rejected with significance above the 5 sigma level. The electroweak process includes the vector boson fusion production of a Z-boson and the data are used to place limits on anomalous triple gauge boson couplings. In addition, measurements of cross sections and differential distributions for inclusive Z-boson-plus-dijet production are performed in five fiducial regions, each with different sensitivity to the electroweak contribution. The results are corrected for detector effects and compared to predictions from the Sherpa and Powheg event generators.
关键词PARTON DISTRIBUTIONS LHC
学科领域Physics
DOI10.1007/JHEP04(2014)031
收录类别SCI
语种英语
WOS类目Physics, Particles & Fields
WOS记录号WOS:000334502400001
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213697
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. Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at=8 TeV using the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(4).
APA ATLAS collaboration.(2014).Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at=8 TeV using the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(4).
MLA ATLAS collaboration."Measurement of the electroweak production of dijets in association with a Z-boson and distributions sensitive to vector boson fusion in proton-proton collisions at=8 TeV using the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .4(2014).
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