Jet azimuthal decorrelation studies with the D-zero detector

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Experimental results on the measurement of the azimuthal decorrelation between jets with pseudorapidity separation up to five units are presented. The data were taken at the Fermi National Accelerator Laboratory during the 1992-1993 collider run with the D{null} detector using {ital p{anti p}} collisions at center-of-mass energy {radical}{ital s} = 1.8 TeV. These results are compared to next-to-leading order (NLO) QCD predictions and to two leading-log approximations (LLA) where the leading terms are resummed to all orders in {alpha}{sub s}. The final state jets as predicted by NLO QCD show less azimuthal decorrelation than the data. The parton showering LLA ... continued below

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6 p.

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Feher, S. October 1, 1996.

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Description

Experimental results on the measurement of the azimuthal decorrelation between jets with pseudorapidity separation up to five units are presented. The data were taken at the Fermi National Accelerator Laboratory during the 1992-1993 collider run with the D{null} detector using {ital p{anti p}} collisions at center-of-mass energy {radical}{ital s} = 1.8 TeV. These results are compared to next-to-leading order (NLO) QCD predictions and to two leading-log approximations (LLA) where the leading terms are resummed to all orders in {alpha}{sub s}. The final state jets as predicted by NLO QCD show less azimuthal decorrelation than the data. The parton showering LLA Monte Carlo HERWIG describes the data well; an analytical LLA calculation based on Balitsky-Faclin-Kuraev-Lipatov resummation predicts more decorrelation than is present in the data.

Physical Description

6 p.

Notes

INIS; OSTI as DE97050255

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  • 28. international conference on high-energy physics, Warsaw (Poland), 25-31 Jul 1996

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  • Other: DE97050255
  • Report No.: FNAL/C--96/374-E
  • Report No.: CONF-960765--33
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 412206
  • Archival Resource Key: ark:/67531/metadc682351

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Office of Scientific & Technical Information Technical Reports

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  • October 1, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Dec. 11, 2017, 3:29 p.m.

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Feher, S. Jet azimuthal decorrelation studies with the D-zero detector, article, October 1, 1996; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc682351/: accessed December 13, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.