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Measurements of W±Z production cross sections in pp collisions at s√=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings
http://hdl.handle.net/2241/00143093
http://hdl.handle.net/2241/00143093abd86292-2db4-43db-8d4d-0574520b6143
名前 / ファイル | ライセンス | アクション |
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PRD_93-9 (1.0 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2016-07-06 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Measurements of W±Z production cross sections in pp collisions at s√=8 TeV with the ATLAS detector and limits on anomalous gauge boson self-couplings | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
ATLA Collaboration
× ATLA Collaboration× 原, 和彦× 金, 信弘× 大川, 英希× 佐藤, 構二× 受川, 史彦 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper presents measurements of W±Z production in pp collisions at a center-of-mass energy of 8 TeV. The gauge bosons are reconstructed using their leptonic decay modes into electrons and muons. The data were collected in 2012 by the ATLAS experiment at the Large Hadron Collider and correspond to an integrated luminosity of 20.3 fb^-1. The measured inclusive cross section in the detector fiducial region is σW±Z→l′νll =35.1±0.9(stat)±0.8(sys)±0.8(lumi) fb, for one leptonic decay channel. In comparison, the next-to-leading-order Standard Model expectation is 30.0±2.1??fb. Cross sections for W+Z and W-Z production and their ratio are presented as well as differential cross sections for several kinematic observables. Limits on anomalous triple gauge boson couplings are derived from the transverse mass spectrum of the W±Z system. From the analysis of events with a W and a Z boson associated with two or more forward jets an upper limit at 95% confidence level on the W±Z scattering cross section of 0.63 fb, for each leptonic decay channel, is established, while the Standard Model prediction at next-to-leading order is 0.13±0.01 fb. Limits on anomalous quartic gauge boson couplings are also extracted. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 93, 号 9, p. 092004, 発行日 2016-05 |
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ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 2470-0010 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/PhysRevD.93.092004 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | Published by the American Physical Society under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | (c) 2016 CERN, for the ATLAS Collaboration | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
言語 | en | |||||
出版者 | American Physical Society |