| Seeing in color: jet superstructure. | |
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MedLine Citation:
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PMID: 20867698 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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A new class of observables is introduced which aims to characterize the superstructure of an event, that is, features, such as color flow, which are not determined by the jet four-momenta alone. Traditionally, an event is described as having jets which are independent objects; each jet has some energy, size, and possible substructure such as subjets or heavy flavor content. This description discards information connecting the jets to each other, which can be used to determine if the jets came from decay of a color-singlet object, or if they were initiated by quarks or gluons. An example superstructure variable, pull, is presented as a simple handle on color flow. It can be used on an event-by-event basis as a tool for distinguishing previously irreducible backgrounds at the Tevatron and the LHC. |
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Authors:
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Jason Gallicchio; Matthew D Schwartz |
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Publication Detail:
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Type: Journal Article Date: 2010-07-06 |
Journal Detail:
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Title: Physical review letters Volume: 105 ISSN: 1079-7114 ISO Abbreviation: Phys. Rev. Lett. Publication Date: 2010 Jul |
Date Detail:
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Created Date: 2010-09-27 Completed Date: 2011-01-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0401141 Medline TA: Phys Rev Lett Country: United States |
Other Details:
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Languages: eng Pagination: 022001 Citation Subset: - |
Affiliation:
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Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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