Muon-proton deep inelastic scattering and asymptotically free field theory

1977 ◽  
Vol 20 (6) ◽  
pp. 205-209
Author(s):  
K. Watanabe ◽  
K. Ninomiya ◽  
M. Wada
Keyword(s):  
Field Theory ◽  
Inelastic Scattering ◽  
Deep Inelastic Scattering ◽  
Free Field

scholarly journals AN EFFECTIVE FIELD THEORY LOOK AT DEEP INELASTIC SCATTERING

2010 ◽  
Vol 25 (24) ◽  
pp. 2039-2049
Author(s):  
GIL PAZ
Keyword(s):  
Field Theory ◽  
Distribution Function ◽  
Inelastic Scattering ◽  
Deep Inelastic Scattering ◽  
Effective Field Theory ◽  
Parton Distribution ◽  
Parton Distribution Function ◽  
High Energy ◽  
Effective Field ◽  
Nonlocal Operator

This talk discusses the effective field theory view of deep inelastic scattering. In such an approach, the standard factorization formula of a hard coefficient multiplied by a parton distribution function arises from matching of QCD onto an effective field theory. The DGLAP equations can then be viewed as the standard renormalization group equations that determines the cutoff dependence of the nonlocal operator whose forward matrix element is the parton distribution function. As an example, the non-singlet quark splitting function is derived directly from the renormalization properties of the nonlocal operator itself. This approach, although discussed in the literature, does not appear to be well known to the larger high energy community. In this talk we give a pedagogical introduction to this subject.

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