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Paper Information

Title: 

FLAVOR SYMMETRY BREAKING IN THE POLARIZED SEA QUARK DISTRIBUTIONS

Type: PAPER
Author(s): MIRJALILI ABOLFAZL,ATASHBAR TEHRANI SHAHIN,KHORRAMIAN ALI NAGHI
 
 
 
Name of Seminar: IRAN PHYSICS CONFERENCE
Type of Seminar:  CONFERENCE
Sponsor:  PHYSICS SOCIETY OF IRAN
Date:  2005Volume -
 
 
Abstract: 

HELICITY QUARK DISTRIBUTIONS IN THE NEXT-TO-LEADING APPROXIMATION OF PERTURBATIVE QCD ARE CONSIDERED. USING THE CONTRIBUTIONS FOR THE UNBROKEN SEA QUARK DISTRIBUTIONS, WE CAN OBTAIN THE FLAVOR-ASYMMETRY IN THE LIGHT-QUARK SEA OF THE NUCLEON. THE FLAVOR-BROKEN LIGHT SEA DISTRIBUTIONS CAN BE MODELED WITH THE HELP OF A PAULI-BLOCKING ANSATZ. OUR RESULTS FOR D`D, D`U, DD, DU AND D`S ARE IN GOOD AGREEMENT WITH THE RECENT EXPERIMENTAL DATA FOR POLARIZED PARTON DISTRIBUTION FROM HERMES EXPERIMENTAL GROUP.

 
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