1206.1733 (Gösta Gustafson)
Gösta Gustafson
In this note we analyse the relation between the triple-regge and Good-Walker formalisms for diffractive excitation in DIS and hadronic collisions. In both approaches gap events are interpreted as the shadow of absorption into inelastic channels. In a simple toy model, with the same basic structure as the BFKL pomeron, it is demonstrated that these two formalisms are just different views of the same phenomenon, and it is argued that this should be the case also in real QCD.
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http://arxiv.org/abs/1206.1733
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