Speaker
Sanghwa Park
(Stony Brook University)
Description
We present recent updates from the CTEQ-Jefferson Lab (CJ) global analysis of parton distribution functions with a new set of electroweak measurements. Electroweak measurements in proton collisions provide unique access to quark flavor separation and strangeness in the proton. In particular, recent W and Z boson measurements from the STAR experiment at RHIC are included which provide additional constraint to the light sea quarks near the valence regime while the LHC data probe smaller x region. In this talk, the impact of the new data sets on parton distribution functions will be presented with a emphasis given to the flavor asymmetry of the light quark sea at large-x region.
Primary authors
Sanghwa Park
(Stony Brook University)
Alberto Accardi
(Hampton U. and Jefferson Lab)
Joseph F. Owens
(Florida State University)
Xiaoxian Jing
