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Towards an understanding of jet substructure

The journal of high energy physics, 2013-09, Vol.2013 (9), p.1-57, Article 29 [Peer Reviewed Journal]

SISSA 2013 ;SISSA, Trieste, Italy 2013 ;ISSN: 1029-8479 ;EISSN: 1029-8479 ;DOI: 10.1007/JHEP09(2013)029

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Title:
Towards an understanding of jet substructure
Author: Dasgupta, Mrinal ; Fregoso, Alessandro ; Marzani, Simone ; Salam, Gavin P.
Subjects: Classical and Quantum Gravitation ; Color ; Colour ; Elementary Particles ; Foundations ; Logarithms ; Mathematical analysis ; Physics ; Physics and Astronomy ; Pruning ; Quantum Field Theories ; Quantum Field Theory ; Quantum Physics ; Relativity Theory ; String Theory ; Substructures ; Trimming
Is Part Of: The journal of high energy physics, 2013-09, Vol.2013 (9), p.1-57, Article 29
Description: A bstract We present first analytic, resummed calculations of the rates at which wide-spread jet substructure tools tag QCD jets. As well as considering trimming, pruning and the mass-drop tagger, we introduce modified tools with improved analytical and phenomenological behaviours. Most taggers have double logarithmic resummed structures. The modified mass-drop tagger is special in that it involves only single logarithms, and is free from a complex class of terms known as non-global logarithms. The modification of pruning brings an improved ability to discriminate between the different colour structures that characterise signal and background. As we outline in an extensive phenomenological discussion, these results provide valuable insight into the performance of existing tools and help lay robust foundations for future substructure studies.
Publisher: Berlin/Heidelberg: Springer Berlin Heidelberg
Language: English
Identifier: ISSN: 1029-8479
EISSN: 1029-8479
DOI: 10.1007/JHEP09(2013)029
Source: Springer Nature OA/Free Journals
ProQuest Central

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Towards an understanding of jet substructure

SISSA 2013 ;SISSA, Trieste, Italy 2013 ;ISSN: 1029-8479 ;EISSN: 1029-8479 ;DOI: 10.1007/JHEP09(2013)029

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