Dual topology and inclusive cross-sections
197217 pages
Published in:
- Nuovo Cim.A 10 (1972) 833-849
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Abstract: (Springer)
We classify all dual diagrams in terms of self-energy insertions on a finite set of primitive (lowest order) diagrams, and we conjecture that the important asymptotic effects can be expressed in terms of renormalized primitive diagrams. For total cross-sections this is the familiar diffractive plus Regge (resonance) picture, but for inclusive cross-sections (a+b→c+anything) one obtains a more intricate scheme with primitive graphs for diffractive dissociation, and for scaling and nonscaling of the fragmentation and pionization regions. The role of exotic channels in low-energy scaling, and the suppression of the triple pomeron vertex are clarified by this approach. With the assumption of a simpleJ=1 diffractive pole, we calculate (on a computer) the fast-fragmentation graph. Phenomenological features and corrections to pionization and slow fragmentation in the scaling limit are discussed.- duality
- model: inclusive reaction
- renormalization
- diffraction: dissociation
- scaling
- pi: multiple production
- multiple production: pi
- pomeron
- model: fragmentation
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