Study of the uncertainty of the gluon distribution

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The uncertainty in the calculation of many important new processes at the Tevatron and LHC is dominated by that concerning the gluon distribution function. We investigate the uncertainty in the gluon distribution of the proton by systematically varying the gluon parameters in the global QCD analysis of parton distributions. The results depend critically on the parton momentum fraction x and the QCD scale Q{sup 2}. The uncertainties are presented for integrated gluon-gluon and gluon-quark luminosities for both the Tevatron and LHC as a function of {radical}{tau}={radical}x{sub 1}x{sub 2}={radical}{cflx s}/s, the most relevant quantity for new particle production. The uncertainties are ... continued below

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8 p.

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Huston, J., FERMI July 1, 1998.

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The uncertainty in the calculation of many important new processes at the Tevatron and LHC is dominated by that concerning the gluon distribution function. We investigate the uncertainty in the gluon distribution of the proton by systematically varying the gluon parameters in the global QCD analysis of parton distributions. The results depend critically on the parton momentum fraction x and the QCD scale Q{sup 2}. The uncertainties are presented for integrated gluon-gluon and gluon-quark luminosities for both the Tevatron and LHC as a function of {radical}{tau}={radical}x{sub 1}x{sub 2}={radical}{cflx s}/s, the most relevant quantity for new particle production. The uncertainties are reasonably small, except for large x.

Physical Description

8 p.

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OSTI as DE98057996

Other: FDE: PDF; PL:

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  • 6. international workshop on deep inelastic scattering and QCD, Brussels (Belgium), 4-8 Apr 1998

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  • Other: DE98057996
  • Report No.: FNAL/C--98/180-T
  • Report No.: CONF-980468--
  • Grant Number: AC02-76CH03000
  • Office of Scientific & Technical Information Report Number: 663138
  • Archival Resource Key: ark:/67531/metadc710087

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Office of Scientific & Technical Information Technical Reports

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Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • July 1, 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • April 6, 2017, 6:10 p.m.

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Huston, J., FERMI. Study of the uncertainty of the gluon distribution, article, July 1, 1998; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc710087/: accessed October 23, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.