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Properties of jet fragmentation using charged particles measured with the ATLAS detector in pp collisions at √s=13??TeV
http://hdl.handle.net/2241/00159321
http://hdl.handle.net/2241/00159321d919b888-f9b7-4f50-b4bb-287c0013f23d
名前 / ファイル | ライセンス | アクション |
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PRD_100-5 (1.8 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2020-01-20 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Properties of jet fragmentation using charged particles measured with the ATLAS detector in pp collisions at √s=13??TeV | |||||
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× 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 | This paper presents a measurement of quantities related to the formation of jets from high-energy quarks and gluons (fragmentation). Jets with transverse momentum 100 GeV <pT<2.5??TeV and pseudorapidity |η|<2.1 from an integrated luminosity of 33??fb?1 of √s=13??TeV proton-proton collisions are reconstructed with the ATLAS detector at the Large Hadron Collider. Charged-particle tracks with pT>500??MeV and |η|<2.5 are used to probe the detailed structure of the jet. The fragmentation properties of the more forward and the more central of the two leading jets from each event are studied. The data are unfolded to correct for detector resolution and acceptance effects. Comparisons with parton shower Monte Carlo generators indicate that existing models provide a reasonable description of the data across a wide range of phase space, but there are also significant differences. Furthermore, the data are interpreted in the context of quark- and gluon-initiated jets by exploiting the rapidity dependence of the jet flavor fraction. A first measurement of the charged-particle multiplicity using model-independent jet labels (topic modeling) provides a promising alternative to traditional quark and gluon extractions using input from simulation. The simulations provide a reasonable description of the quark-like data across the jet pT range presented in -this measurement, but the gluon-like data have systematically fewer charged particles than the simulation. | |||||
言語 | en | |||||
書誌情報 |
en : Physical review D 巻 100, 号 5, p. 052011, 発行日 2019-09 |
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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.100.052011 | |||||
権利 | ||||||
言語 | en | |||||
権利情報 | c 2019 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 |