Theory and phenomenology of non-global logarithms

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dc.creatorAppleby, R. B.
dc.creatorSalam, G. P.
dc.date2003-05-21
dc.date.accessioned2026-07-07T03:49:42Z
dc.date.available2026-07-07T03:49:42Z
dc.descriptionWe discuss the theoretical treatment of non-global observables, those quantities that are sensitive only to radiation in a restricted region of phase space, and describe how large `non-global' logarithms arise when we veto the energy flowing into the restricted region. The phenomenological impact of non-global logarithms is then discussed, drawing on examples from event shapes in DIS and energy-flow observables in 2-jet systems. We then describe techniques to reduce the numerical importance of non-global logarithms, looking at clustering algorithms in energy flow observables and the study of associated distribution of multiple observables.
dc.descriptionBased on talks presented at the XXXVIIIth Rencontres de Moriond 'QCD and high-energy hadronic interactions', 8 pages
dc.identifierhttps://arxiv.org/abs/hep-ph/0305232
dc.identifierhttp://arxiv.org/abs/hep-ph/0305232
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/42510
dc.subjectHigh Energy Physics - Phenomenology
dc.titleTheory and phenomenology of non-global logarithms
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