Regge Behavior of DIS Structure Functions

Details Regge Behavior of DIS Structure Functions Regge Behavior of DIS Structure Functions

2004-02-26

arxiv.org/abs/nucl-th/0402097v1

Phys.Atom.Nucl. 69 (2006) 699-711

Physics

Nuclear Physics

Nuclear Theory

13 pages with 5 figures

Scientific paper

Building on previous works of the mid 1960's, we construct an integral equation for forward elastic scattering (t=0) at arbitrary virtuality Q^2 and large s=W^2. This equation sums the ladder production of massless intermediate bosons to all orders, and the solution exhibits Regge behavior. The equation is used to study scattering in a simple chi^2 phi scalar theory, where it is solved appoximately and applied to the study of DIS at small x. We find that the model can naturally describe the quark distribution in both the large x region and the small x region dominated by Reggeon exchange.

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