Journal
JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1007/JHEP09(2013)029
Keywords
QCD Phenomenology; Jets
Categories
Funding
- French Agence Nationale de la Recherche [ANR-09-BLAN-0060]
- European Commission under ITN [PITN-GA-2010-264564]
- ERC
- U.K.'s STFC
- STFC [ST/J000418/1, ST/G00045X/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/J000418/1, ST/G00045X/1] Funding Source: researchfish
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We present first analytic, resummed calculations of the rates at which widespread 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.
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