Beyond leading-order perturbative QCD corrections to γγ→M+M−(M=π,K)

1987 ◽  
Vol 35 (1) ◽  
pp. 80-101 ◽  
Author(s):  
Bene Niić
Keyword(s):  
Perturbative Qcd ◽  
Leading Order

scholarly journals HARD-POMERON BEHAVIOR OF THE LONGITUDINAL STRUCTURE FUNCTION FL IN THE NEXT-TO-LEADING ORDER AT LOW x

2009 ◽  
Vol 18 (01) ◽  
pp. 131-140 ◽  
Author(s):  
G. R. BOROUN
Keyword(s):  
Perturbation Theory ◽  
Structure Function ◽  
Perturbative Qcd ◽  
Gluon Distribution ◽  
Analytic Formula ◽  
Leading Order ◽  
Longitudinal Structure ◽  
Longitudinal Structure Function ◽  
Low X

We present an analytic formula to extract the longitudinal structure function in the next-to-leading order of the perturbation theory at low x, from the Regge-like behavior of the gluon distribution and the structure function at this limit. In this approach, the longitudinal structure function has the hard-Pomeron behavior. The determined values are compared with the H1 data and MRST model. All results can consistently be described within the framework of perturbative QCD, which essentially show increases as x decreases.

scholarly journals Next-to-leading order perturbative QCD corrections to baryon correlators in matter

2008 ◽  
Vol 78 (3) ◽  
Author(s):  
S. Groote ◽  
J. G. Körner ◽  
A. A. Pivovarov
Keyword(s):  
Perturbative Qcd ◽  
Leading Order

Leading-order perturbative QCD calculation of nucleon Dirac form factors

1987 ◽  
Vol 36 (1) ◽  
pp. 165-175 ◽  
Author(s):  
Chueng-Ryong Ji ◽  
Alan F. Sill ◽  
Roselyne M. Lombard-Nelsen
Keyword(s):  
Perturbative Qcd ◽  
Form Factors ◽  
Leading Order
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