scholarly journals Photoproduction of nucleon resonances and nucleon spin structure function in the resonance region

2001 ◽  
Vol 65 (1) ◽  
Author(s):  
Di Qing ◽  
Iván Schmidt
Keyword(s):  
Structure Function ◽  
Spin Structure ◽  
Resonance Region ◽  
Nucleon Spin ◽  
Spin Structure Function ◽  
Nucleon Spin Structure ◽  
Nucleon Resonances

scholarly journals SPIN RESPONSE OF THE NUCLEON IN THE RESONANCE REGION

2003 ◽  
Vol 18 (02n06) ◽  
pp. 262-271 ◽  
Author(s):  
VOLKER D. BURKERT
Keyword(s):  
Spin Structure ◽  
Resonance Region ◽  
Vital Role ◽  
Spin Structure Function ◽  
Photon Virtuality ◽  
Nucleon Spin Structure ◽  
Protons And Neutrons ◽  
Spin Response ◽  
First Moment ◽  
Helicity Structure

I discuss recent results from CLAS and Hall A at Jefferson Lab on the measurement of inclusive spin structure functions in the nucleon resonance region using polarized electron beams and polarized targets. Results on the first moment of the spin structure function for protons and neutrons will be discussed, as well as the Bjorken integral. I will argue that the helicity structure of individual resonances plays a vital role in understanding the nucleon's spin response in the domain of strong interaction QCD, and must be considered in any analysis of the nucleon spin structure at low and intermediate photon virtuality.

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