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和文:Measurement of the cross-section for electroweak production of dijets in association with a Z boson in pp collisions at s=13 TeV with the ATLAS detector 
英文:Measurement of the cross-section for electroweak production of dijets in association with a Z boson in pp collisions at s=13 TeV with the ATLAS detector 
著者
和文: M. Aaboud, 陣内 修, 久世 正弘, 山口 洋平, et al..  
英文: M. Aaboud, Osamu Jinnouchi, Masahiro.Kuze, Youhei Yamaguchi, et al..  
言語 English 
掲載誌/書名
和文:Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 
英文:Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics 
巻, 号, ページ Vol. 775        pp. 206-228
出版年月 2017年12月 
出版者
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英文: 
会議名称
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開催地
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英文: 
公式リンク https://www.scopus.com/inward/record.uri?eid=2-s2.0-85034439024&doi=10.1016%2fj.physletb.2017.10.040&partnerID=40&md5=339f9e14f0c813ce3653e7ce0e55e012
 
DOI https://doi.org/10.1016/j.physletb.2017.10.040
アブストラクト The cross-section for the production of two jets in association with a leptonically decaying Z boson ( Zjj ) is measured in proton?proton collisions at a centre-of-mass energy of 13 TeV, using data recorded with the ATLAS detector at the Large Hadron Collider, corresponding to an integrated luminosity of 3.2 fb -1 . The electroweak Zjj cross-section is extracted in a fiducial region chosen to enhance the electroweak contribution relative to the dominant Drell?Yan Zjj process, which is constrained using a data-driven approach. The measured fiducial electroweak cross-section is σEWZjj = 119±16(stat.)±20(syst.)±2(lumi.) fb for dijet invariant mass greater than 250 GeV, and 34.2±5.8(stat.)±5.5(syst.)±0.7(lumi.) fb for dijet invariant mass greater than 1 TeV. Standard Model predictions are in agreement with the measurements. The inclusive Zjj cross-section is also measured in six different fiducial regions with varying contributions from electroweak and Drell?Yan Zjj

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