scholarly journals Analytic coupling and Sudakov effects in exclusive processes: pion and $\gamma ^*\gamma \to \pi ^0$ form factors

2000 ◽  
Vol 18 (1) ◽  
pp. 137-156 ◽  
Author(s):  
N.G. Stefanis ◽  
W. Schroers ◽  
H.-Ch. Kim



1973 ◽  
Vol 7 (11) ◽  
pp. 3372-3379 ◽  
Author(s):  
J. Sucher ◽  
C. H. Woo






2015 ◽  
Vol 30 (02) ◽  
pp. 1530014 ◽  
Author(s):  
Stanley J. Brodsky

I review the historical development of QCD predictions for exclusive hadronic processes, beginning with constituent counting rules and the quark interchange mechanism, phenomena which gave early validation for the quark structure of hadrons. The subsequent development of pQCD factorization theorems for hard exclusive amplitudes and the development of evolution equations for the hadron distribution amplitudes provided a rigorous framework for calculating hadronic form factors and hard scattering exclusive scattering processes at high momentum transfer. I also give a brief introduction to the field of "light-front holography" and the insights it brings to quark confinement, the behavior of the QCD coupling in the nonperturbative domain, as well as hadron spectroscopy and the dynamics of exclusive processes.





1971 ◽  
Vol 32 (C5) ◽  
pp. C5b-269-C5b-270
Author(s):  
Kuniharu Kubodera
Keyword(s):  




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