Jet measurements at D0 using a KT algorithm

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D0 has implemented and calibrated a k{perpendicular} jet algorithm for the first time in a p{bar p} collider. We present two results based on 1992-1996 data which were recently published: the subjet multiplicity in quark and gluon jets and the central inclusive jet cross section. The measured ratio between subjet multiplicities in gluon and quark jets is consistent with theoretical predictions and previous experimental values. NLO pQCD predictions of the k{perpendicular} inclusive jet cross section agree with the D0 measurement, although marginally in the low p{sub T} range. We also present a preliminary measurement of thrust cross sections, which indicates ... continued below

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Elvira, V.Daniel October 3, 2002.

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D0 has implemented and calibrated a k{perpendicular} jet algorithm for the first time in a p{bar p} collider. We present two results based on 1992-1996 data which were recently published: the subjet multiplicity in quark and gluon jets and the central inclusive jet cross section. The measured ratio between subjet multiplicities in gluon and quark jets is consistent with theoretical predictions and previous experimental values. NLO pQCD predictions of the k{perpendicular} inclusive jet cross section agree with the D0 measurement, although marginally in the low p{sub T} range. We also present a preliminary measurement of thrust cross sections, which indicates the need to include higher than {alpha}{sub s}{sup 3} terms and resumation in the theoretical calculations.

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350767 Kilobytes pages

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  • High Energy Physics International Conference in Quantum Chromodynamics, Montpellier (FR), 07/01/2002--07/09/2002

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  • Report No.: FERMILAB-Conf-02/234-E
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 801911
  • Archival Resource Key: ark:/67531/metadc738278

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  • October 3, 2002

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  • Oct. 19, 2015, 7:39 p.m.

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  • April 1, 2016, 5:30 p.m.

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Elvira, V.Daniel. Jet measurements at D0 using a KT algorithm, article, October 3, 2002; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc738278/: accessed August 16, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.