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和文:Study of WWγ and WZγ production in pp collisions at s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment 
英文:Study of WWγ and WZγ production in pp collisions at s=8TeV and search for anomalous quartic gauge couplings with the ATLAS experiment 
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:European Physical Journal C 
英文:European Physical Journal C 
巻, 号, ページ Vol. 77    No. 9    pp. "646"
出版年月 2017年9月 
出版者
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英文: 
会議名称
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公式リンク https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029930505&doi=10.1140%2fepjc%2fs10052-017-5180-3&partnerID=40&md5=69ca77ac2100d2a169ccf2d9478d7d12
 
DOI https://doi.org/10.1140/epjc/s10052-017-5180-3
アブストラクト This paper presents a study of $WW\gamma $ and $WZ\gamma $ triboson production using events from proton?proton collisions at a centre-of-mass energy of $\sqrt{s} = \text{8}\,\text{TeV}$ recorded with the ATLAS detector at the LHC and corresponding to an integrated luminosity of 20.2 fb$^{-1}$ . The $WW\gamma $ production cross-section is determined using a final state containing an electron, a muon, a photon, and neutrinos ( $e\nu \mu \nu \gamma $ ). Upper limits on the production cross-section of the $e\nu \mu \nu \gamma $ final state and the $WW\gamma $ and $WZ\gamma $ final states containing an electron or a muon, two jets, a photon, and a neutrino ( $e\nu jj\gamma $ or $\mu \nu jj\gamma $ ) are also derived. The results are compared to the cross-sections predicted by the Standard Model at next-to-leading order in the strong-coupling constant. In addition, upper limits on the production cross-sections are derived in a fiducial region optimised for a search for new physics beyond the Standard Model. The results are interpreted in the context of anomalous quartic gauge couplings using an effective field theory. Confidence intervals at 95% confidence level are derived for the 14 coupling coefficients to which $WW\gamma $ and $WZ\gamma $ production are

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