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Duality in strong interactions

L. Jenkovszky·V. K. Magas·E. Predazzi
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Abstract

By introducing Q^2-dependence in resonance-reggeon "soft" dual models with nonlinear trajectories, they are extended to "hard" processes, sharing the property of parton-hadron duality. The resulting object is a two-component complex function of three variables - s,t and Q^2, reducing to classical dual models on the mass shell and to deep inelastic structure functions, or Compton scattering amplitudes - forward and non-forward - otherwise. As a consequence, the small- and large-x behavior of the structure functions is also related by duality. This duality relation holds for each o components (diffractive and non-diffractive for the amplitude or singlet and non-singlet for the structure) separately.

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L. Jenkovszky, V. K. Magas, E. Predazzi. 2001-10-31. Duality in strong interactions. https://arxiv.org/abs/nucl-th/0110085

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