Nucleon spin structure function and quark-hadron duality

2003 ◽  
Vol 68 (1) ◽  
Author(s):  
Y. B. Dong ◽  
M. F. Li
Keyword(s):  
Structure Function ◽  
Spin Structure ◽  
Nucleon Spin ◽  
Spin Structure Function ◽  
Nucleon Spin Structure ◽  
Hadron Duality

QUARK DISTRIBUTIONS AND NUCLEON SPIN STRUCTURE

2005 ◽  
Vol 20 (08n09) ◽  
pp. 1923-1926 ◽  
Author(s):  
ALI N. KHORRAMIAN ◽  
A. MIRJALILI ◽  
S. ATASHBAR TEHRANI
Keyword(s):  
Structure Function ◽  
Spin Structure ◽  
Proton Structure Function ◽  
Nucleon Spin ◽  
Spin Dependence ◽  
Parton Distributions ◽  
Proton Structure ◽  
Nucleon Spin Structure ◽  
Spin Contribution ◽  
Good Agreement

In this paper we calculate spin dependence of parton distributions and proton structure function. The polarized valon distributions in a proton and the polarized parton distributions inside the valon are necessary to obtain the polarized parton distributions in a proton. The results of our calculations for the proton structure function, [Formula: see text] are in good agreement with the available experimental data. We obtain the spin contribution and angular momentum of the valons to the proton.

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