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Article: Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at √s=13 TeV
Title | Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at √s=13 TeV |
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Authors | |
Issue Date | 2020 |
Publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prd/ |
Citation | Physical Review D: covering particles, fields, gravitation, and cosmology, 2020, v. 101 n. 5, article no. 052007 How to Cite? |
Abstract | 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. |
Persistent Identifier | http://hdl.handle.net/10722/286262 |
ISSN | 2023 Impact Factor: 4.6 2023 SCImago Journal Rankings: 1.587 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | ATLAS Collaboration | - |
dc.contributor.author | Lo, CY | - |
dc.contributor.author | Paredes Hernandez, D | - |
dc.contributor.author | Tu, Y | - |
dc.contributor.author | Pizzimento, L | - |
dc.date.accessioned | 2020-08-31T07:01:28Z | - |
dc.date.available | 2020-08-31T07:01:28Z | - |
dc.date.issued | 2020 | - |
dc.identifier.citation | Physical Review D: covering particles, fields, gravitation, and cosmology, 2020, v. 101 n. 5, article no. 052007 | - |
dc.identifier.issn | 2470-0010 | - |
dc.identifier.uri | http://hdl.handle.net/10722/286262 | - |
dc.description.abstract | 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. | - |
dc.language | eng | - |
dc.publisher | American Physical Society. The Journal's web site is located at http://journals.aps.org/prd/ | - |
dc.relation.ispartof | Physical Review D: covering particles, fields, gravitation, and cosmology | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Measurement of soft-drop jet observables in pp collisions with the ATLAS detector at √s=13 TeV | - |
dc.type | Article | - |
dc.identifier.email | Lo, CY: samuel3@hku.hk | - |
dc.identifier.email | Paredes Hernandez, D: dparedes@hku.hk | - |
dc.identifier.email | Tu, Y: yanjuntu@hku.hk | - |
dc.identifier.authority | Tu, Y=rp01971 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevD.101.052007 | - |
dc.identifier.scopus | eid_2-s2.0-85083566475 | - |
dc.identifier.hkuros | 313091 | - |
dc.identifier.volume | 101 | - |
dc.identifier.issue | 5 | - |
dc.identifier.spage | article no. 052007 | - |
dc.identifier.epage | article no. 052007 | - |
dc.identifier.isi | WOS:000519886300002 | - |
dc.publisher.place | United States | - |
dc.identifier.issnl | 2470-0010 | - |