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Start Over Author "Burkardt, Matthias" Publisher elsevier b.v.
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7. Scale dependence of hadronic wave functions and parton densities

Author

Burkardt, Matthias, Ji, Xiangdong, and Yuan, Feng

Subjects
*HADRON interactions, *WAVE functions, *QUANTUM theory
Abstract

We study how the components of hadronic wave functions in light-cone quantization depend on the ultraviolet cut-off by relating them in a systematic way to the matrix elements of a class of quark–gluon operators between the QCD vacuum and the hadrons. From this, we derive an infinite set of scale-evolution equations for the individual contributions to parton distributions from the Fock expansion. When summed over all the contributions, we recover the well-known DGLAP equation. [Copyright &y& Elsevier]

Published
2002
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