Systematics of quark/gluon tagging

Gras, Philippe; Höche, Stefan; Kar, Deepak; Larkoski, Andrew; Lönnblad, Leif; Plätzer, Simon; Siódmok, Andrzej; Skands, Peter; Soyez, Gregory; Thaler, Jesse

doi:10.1007/JHEP07(2017)091

Title: Systematics of quark/gluon tagging

Journal Article · Tue Jul 18 00:00:00 EDT 2017 · Journal of High Energy Physics (Online)

DOI:https://doi.org/10.1007/JHEP07(2017)091· OSTI ID:1374262

Gras, Philippe ^[1]; Höche, Stefan ^[2]; Kar, Deepak ^[3]; Larkoski, Andrew ^[4]; Lönnblad, Leif ^[5]; Plätzer, Simon ^[6]; Siódmok, Andrzej ^[7]; Skands, Peter ^[8]; Soyez, Gregory ^[9]; Thaler, Jesse ^[10]

Univ. of Paris-Saclay, Gif-sur-Yvette (France)
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Univ. of Witwatersrand, Johannesburg (South Africa)
Reed College, Portland, OR (United States)
Lund Univ. (Sweden)
Univ. of Durham (United Kingdom); Univ. of Manchester (United Kingdom)
European Organization for Nuclear Research (CERN), Geneva (Switzerland); Polish Academy of Sciences (PAS), Sopot (Poland). Inst. of Nuclear Physics
Monash Univ., Clayton, VIC (Australia)
Alternative Energies and Atomic Energy Commission (CEA), Saclay (France)
Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)

By measuring the substructure of a jet, one can assign it a “quark” or “gluon” tag. In the eikonal (double-logarithmic) limit, quark/gluon discrimination is determined solely by the color factor of the initiating parton (C_F versus C_A). In this paper, we confront the challenges faced when going beyond this leading-order understanding, using both parton-shower generators and first-principles calculations to assess the impact of higher-order perturbative and nonperturbative physics. Working in the idealized context of electron-positron collisions, where one can define a proxy for quark and gluon jets based on the Lorentz structure of the production vertex, we find a fascinating interplay between perturbative shower effects and nonperturbative hadronization effects. Turning to proton-proton collisions, we highlight a core set of measurements that would constrain current uncertainties in quark/gluon tagging and improve the overall modeling of jets at the Large Hadron Collider.

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Research Organization:: SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-76SF00515

OSTI ID:: 1374262

Journal Information:: Journal of High Energy Physics (Online), Vol. 2017, Issue 7; ISSN 1029-8479

Publisher:: Springer BerlinCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 80 works

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Inclusive and Exclusive observables from dipoles in high energy collisions Flensburg, Christoffer; Gustafson, Gösta; Lönnblad, Leif arXiv https://doi.org/10.48550/arxiv.1103.4321	text	January 2011
Jet Substructure Without Trees Jankowiak, Martin; Larkoski, Andrew J. arXiv https://doi.org/10.48550/arxiv.1104.1646	text	January 2011
Quark and Gluon Tagging at the LHC Gallicchio, Jason; Schwartz, Matthew D. arXiv https://doi.org/10.48550/arxiv.1106.3076	text	January 2011
Maximizing Boosted Top Identification by Minimizing N-subjettiness Thaler, Jesse; Van Tilburg, Ken arXiv https://doi.org/10.48550/arxiv.1108.2701	text	January 2011
Merging Multi-leg NLO Matrix Elements with Parton Showers Lonnblad, Leif; Prestel, Stefan arXiv https://doi.org/10.48550/arxiv.1211.7278	text	January 2012
Antenna Showers with One-Loop Matrix Elements Hartgring, L.; Laenen, E.; Skands, P. arXiv https://doi.org/10.48550/arxiv.1303.4974	text	January 2013
MCPLOTS: a particle physics resource based on volunteer computing Karneyeu, A.; Mijovic, L.; Prestel, S. arXiv https://doi.org/10.48550/arxiv.1306.3436	text	January 2013
A parton shower based on factorization of the quantum density matrix Nagy, Zoltan; Soper, Davison E. arXiv https://doi.org/10.48550/arxiv.1401.6364	text	January 2014
Dissecting Soft Radiation with Factorization Stewart, Iain W.; Tackmann, Frank J.; Waalewijn, Wouter J. arXiv https://doi.org/10.48550/arxiv.1405.6722	text	January 2014
Associated jet and subjet rates in light-quark and gluon jet discrimination Bhattacherjee, Biplob; Mukhopadhyay, Satyanarayan; Nojiri, Mihoko M. arXiv https://doi.org/10.48550/arxiv.1501.04794	text	January 2015
Herwig 7.0 / Herwig++ 3.0 Release Note Bellm, Johannes; Gieseke, Stefan; Grellscheid, David arXiv https://doi.org/10.48550/arxiv.1512.01178	text	January 2015
Factorization for groomed jet substructure beyond the next-to-leading logarithm Frye, Christopher; Larkoski, Andrew J.; Schwartz, Matthew D. arXiv https://doi.org/10.48550/arxiv.1603.09338	text	January 2016
Vincia for Hadron Colliders Fischer, Nadine; Prestel, Stefan; Ritzmann, Mathias arXiv https://doi.org/10.48550/arxiv.1605.06142	text	January 2016
Reweighting QCD matrix-element and parton-shower calculations Bothmann, Enrico; Schönherr, Marek; Schumann, Steffen arXiv https://doi.org/10.48550/arxiv.1606.08753	text	January 2016
Deep learning in color: towards automated quark/gluon jet discrimination Komiske, Patrick T.; Metodiev, Eric M.; Schwartz, Matthew D. arXiv https://doi.org/10.48550/arxiv.1612.01551	text	January 2016
Weakly Supervised Classification in High Energy Physics Dery, Lucio Mwinmaarong; Nachman, Benjamin; Rubbo, Francesco arXiv https://doi.org/10.48550/arxiv.1702.00414	text	January 2017
A study of the energy evolution of event shape distributions and their means with the DELPHI detector at LEP Collaboration, The DELPHI; Abdallah, J. arXiv https://doi.org/10.48550/arxiv.hep-ex/0307048	text	January 2003
Multiplicity distributions of gluon and quark jets and tests of QCD analytic predictions Collaboration, The OPAL; al, K. Ackerstaff et arXiv https://doi.org/10.48550/arxiv.hep-ex/9708029	text	January 1997
On power corrections to the event shape distributions in QCD Korchemsky, G. P.; Tafat, S. arXiv https://doi.org/10.48550/arxiv.hep-ph/0007005	text	January 2000
Non-perturbative effects in the W and Z transverse momentum distribution Guffanti, A.; Smye, G. E. arXiv https://doi.org/10.48550/arxiv.hep-ph/0007190	text	January 2000
Hadron masses and power corrections to event shapes Salam, G. P.; Wicke, D. arXiv https://doi.org/10.48550/arxiv.hep-ph/0102343	text	January 2001
QCD Matrix Elements + Parton Showers Catani, S.; Krauss, F.; Kuhn, R. arXiv https://doi.org/10.48550/arxiv.hep-ph/0109231	text	January 2001
Matching NLO QCD computations and parton shower simulations Frixione, S.; Webber, B. R. arXiv https://doi.org/10.48550/arxiv.hep-ph/0204244	text	January 2002
Dispelling the N^3 myth for the Kt jet-finder Cacciari, Matteo; Salam, Gavin P. arXiv https://doi.org/10.48550/arxiv.hep-ph/0512210	text	January 2005
Better Jet Clustering Algorithms Dokshitzer, Yu. L.; Leder, G. D.; Moretti, S. arXiv https://doi.org/10.48550/arxiv.hep-ph/9707323	text	January 1997
On the QCD analysis of Jet Broadening Dokshitzer, Yu. L.; Lucenti, A.; Marchesini, G. arXiv https://doi.org/10.48550/arxiv.hep-ph/9801324	text	January 1998
Power corrections to event shapes and factorization Korchemsky, G. P.; Sterman, G. arXiv https://doi.org/10.48550/arxiv.hep-ph/9902341	text	January 1999

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FCC Physics Opportunities Abada, A.; Abbrescia, M.; AbdusSalam, S. S. Apollo - University of Cambridge Repository https://doi.org/10.17863/cam.53334	text	January 2019
Constraining anomalous gluon self-interactions at the LHC: a reappraisal Hirschi, Valentin; Maltoni, Fabio; Tsinikos, Ioannis ETH Zurich https://doi.org/10.3929/ethz-b-000278747	text	January 2018
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Jet Substructure Studies with CMS Open Data Tripathee, Aashish; Xue, Wei; Larkoski, Andrew arXiv https://doi.org/10.48550/arxiv.1704.05842	text	January 2017
Casimir Meets Poisson: Improved Quark/Gluon Discrimination with Counting Observables Frye, Christopher; Larkoski, Andrew J.; Thaler, Jesse arXiv https://doi.org/10.48550/arxiv.1704.06266	text	January 2017
Analysis of Long Lived Particle Decays with the MATHUSLA Detector Curtin, David; Peskin, Michael E. arXiv https://doi.org/10.48550/arxiv.1705.06327	text	January 2017
Energy flow polynomials: A complete linear basis for jet substructure Komiske, Patrick T.; Metodiev, Eric M.; Thaler, Jesse arXiv https://doi.org/10.48550/arxiv.1712.07124	text	January 2017
Jet angularity measurements for single inclusive jet production Kang, Zhong-Bo; Lee, Kyle; Ringer, Felix arXiv https://doi.org/10.48550/arxiv.1801.00790	text	January 2018
Learning to Classify from Impure Samples with High-Dimensional Data Komiske, Patrick T.; Metodiev, Eric M.; Nachman, Benjamin arXiv https://doi.org/10.48550/arxiv.1801.10158	text	January 2018
Energy Flow Networks: Deep Sets for Particle Jets Komiske, Patrick T.; Metodiev, Eric M.; Thaler, Jesse arXiv https://doi.org/10.48550/arxiv.1810.05165	text	January 2018
Investigating the Topology Dependence of Quark and Gluon Jets Bright-Thonney, Samuel; Nachman, Benjamin arXiv https://doi.org/10.48550/arxiv.1810.05653	text	January 2018
Phenomenology with a recoil-free jet axis: TMD fragmentation and the jet shape Neill, Duff; Papaefstathiou, Andreas; Waalewijn, Wouter J. arXiv https://doi.org/10.48550/arxiv.1810.12915	text	January 2018
Quark-Gluon Tagging: Machine Learning vs Detector Kasieczka, Gregor; Kiefer, Nicholas; Plehn, Tilman arXiv https://doi.org/10.48550/arxiv.1812.09223	text	January 2018
A Theory of Quark vs. Gluon Discrimination Larkoski, Andrew J.; Metodiev, Eric M. arXiv https://doi.org/10.48550/arxiv.1906.01639	text	January 2019

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