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Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at √s=13 TeV with the ATLAS detector
http://hdl.handle.net/2241/00154838
http://hdl.handle.net/2241/00154838ad759f73-76a8-4b1e-afe5-15201eefa23a
名前 / ファイル | ライセンス | アクション |
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PRD_98-9-92012 (1.8 MB)
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Item type | Journal Article(1) | |||||||||||
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公開日 | 2019-03-15 | |||||||||||
タイトル | ||||||||||||
言語 | en | |||||||||||
タイトル | Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at √s=13 TeV with the ATLAS detector | |||||||||||
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 |
原, 和彦
× 原, 和彦× 金, 信弘
WEKO
365
× 大川, 英希× 佐藤, 構二× 受川, 史彦× ATLA Collaboration |
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抄録 | ||||||||||||
内容記述タイプ | Abstract | |||||||||||
内容記述 | A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction, a technique that assigns reconstructed objects to the most probable hemispheres of the decay trees, allowing one to construct tailored kinematic variables to separate the signal and background. The search uses data collected in 2015 and 2016 by the ATLAS experiment in √s=13 TeV proton-proton collisions at the CERN Large Hadron Collider corresponding to an integrated luminosity of 36.1 fb^-1. Chargino-neutralino pair production, with decays via W/Z bosons, is studied in final states involving leptons and jets and missing transverse momentum for scenarios with large and intermediate mass splittings between the parent particle and lightest supersymmetric particle, as well as for the scenario where this mass splitting is close to the mass of the Z boson. The latter case is challenging since the vector bosons are produced with kinematic properties that are similar to those in Standard Model processes. Results are found to be compatible with the Standard Model expectations in the signal regions targeting large and intermediate mass splittings, and chargino-neutralino masses up to 600 GeV are excluded at 95% confidence level for a massless lightest supersymmetric particle. Excesses of data above the expected background are found in the signal regions targeting low mass splittings, and the largest local excess amounts to 3.0 standard deviations. | |||||||||||
言語 | en | |||||||||||
書誌情報 |
en : Physical review D 巻 98, 号 9, p. 092012, 発行日 2018-11 |
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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.98.092012 | |||||||||||
権利 | ||||||||||||
言語 | en | |||||||||||
権利情報 | (c) 2018 CERN, for the ATLAS Collaboration | |||||||||||
権利 | ||||||||||||
言語 | en | |||||||||||
権利情報 | Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3. | |||||||||||
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 |