Heavy Quark Parton Distribution Functions

We present the CTEQ6HQ parton distribution set which is determined in the general variable flavor number scheme which incorporates heavy flavor mass effects; hence, this set provides advantages for precision observables which are sensitive to charm and bottom quark masses. We describe the analysis p...

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Bibliographic Details
Main Authors: Kretzer, Stefan, RIKEN-BNL Research Center, Brookhaven National Laboratory, Upton, New York 11973 - 5000, Olness, Fredrick I.
Format: Conference Proceeding
Language:English
Subjects:
ACCURACY
B QUARKS
C QUARKS
COMPARATIVE EVALUATIONS
DISTRIBUTION
DISTRIBUTION FUNCTIONS
FLAVOR MODEL
GLUONS
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
QUANTUM CHROMODYNAMICS
REST MASS
S QUARKS
T QUARKS
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Summary:We present the CTEQ6HQ parton distribution set which is determined in the general variable flavor number scheme which incorporates heavy flavor mass effects; hence, this set provides advantages for precision observables which are sensitive to charm and bottom quark masses. We describe the analysis procedure, examine the predominant features of the new distributions, and compare with previous distributions. We also examine the uncertainties of the strange quark distribution and how the the recent NuTeV dimuon data constrains this quantity.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.2122168