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Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at √s=13 TeV
http://hdl.handle.net/2241/00161193
e6da6b5d-1d28-4aec-8696-bc7eda8d387b
名前 / ファイル | ライセンス | Actions | |
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item type | Journal Article(1) | |||||
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公開日 | 2020-09-07 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at √s=13 TeV | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
タイプ | journal article | |||||
著者 |
原, 和彦
× 原, 和彦× 佐藤, 構二× 受川, 史彦× ATLAS Collaboration |
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抄録 | ||||||
内容記述 | Jet substructure quantities are measured using jets groomed with the soft-drop grooming procedure in dijet events from 32.9 fb−1 of pp collisions collected with the ATLAS detector at √s=13 TeV. These observables are sensitive to a wide range of QCD phenomena. Some observables, such as the jet mass and opening angle between the two subjets which pass the soft-drop condition, can be described by a high-order (resummed) series in the strong coupling constant αS. Other observables, such as the momentum sharing between the two subjets, are nearly independent of αS. These observables can be constructed using all interacting particles or using only charged particles reconstructed in the inner tracking detectors. Track-based versions of these observables are not collinear safe, but are measured more precisely, and universal nonperturbative functions can absorb the collinear singularities. The unfolded data are directly compared with QCD calculations and hadron-level Monte Carlo simulations. The measurements are performed in different pseudorapidity regions, which are then used to extract quark and gluon jet shapes using the predicted quark and gluon fractions in each region. All of the parton shower and analytical calculations provide an excellent description of the data in most regions of phase space. | |||||
書誌情報 |
en : Physical review D 巻 101, 号 5, p. 052007, 発行日 2020-03 |
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ISSN | ||||||
収録物識別子 | 2470-0010 | |||||
書誌レコードID | ||||||
収録物識別子 | AA00773624 | |||||
DOI | ||||||
関連識別子 | ||||||
関連識別子 | 10.1103/PhysRevD.101.052007 | |||||
権利 | ||||||
権利情報 | © 2020 CERN, for the ATLAS Collaboration | |||||
権利 | ||||||
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. | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | American Physical Society |