Study of the uncertainty of the gluon distribution
Huston, J., FERMI
United States. Department of Energy. Office of Energy Research.
Fermi National Accelerator Laboratory
1998-07-01
English
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.
Protons
Gluons
66 Physics
Distribution Functions
Data Covariances
6. international workshop on deep inelastic scattering and QCD, Brussels (Belgium), 4-8 Apr 1998
Article
8 p.
Text
other: DE98057996
rep-no: FNAL/C--98/180-T
rep-no: CONF-980468--
grantno: AC02-76CH03000
osti: 663138
https://digital.library.unt.edu/ark:/67531/metadc710087/
ark: ark:/67531/metadc710087