Valon Model for Hadrons and Their Interactions
The development of hadron physics is in some ways similar to that of atomic physics. To some, this remark may seem absurd, since we have had many years of experimental investigation of elastic scattering, resonance production, multiparticle reactions in soft and hard processes on the one hand, while on the other a good theoretical understanding of the analytic properties of scattering amplitudes, their high energy behaviors, and the quark-parton model of the hadrons. Moreover, we have more recently the availability of quantum chromodynamics (QCD) as a candidate theory for strong interaction. Surely there is nothing quite comparable in atomic physics either in experiment or in theory during the formative stage of the subject. Indeed, as soon as quantum mechanics was developed, the essence of atomic physics was understood.
KeywordsForm Factor Deep Inelastic Scattering Soft Gluon Valence Quark Longitudinal Momentum
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