Strong Interactions: A Tunneling Phenomenon? 1. Theory and Application to Hadronic Diffraction
Sep, 197856 pages
Published in:
- Nucl.Phys.B 163 (1980) 397-452
- Published: 1980
Report number:
- CERN-TH-2573
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Abstract: (Elsevier)
A new approach to strong interactions at high energies is proposed. Hadronic scattering in a given channel emerges ( for θ ≉ 0) as a tunnelling phenomenon in the scattering sector due to the presence of many other competing channels. This hadronic tunnelling takes place at the interface between highly excited hadronic matter - being built up during the interaction - and the surrounding vacuum. The tunnelling amplitude is non-perturbative: it depends only on the geometry of this interface and not on the strength of hadronic interactions. This geometry turns out to be identical to the one arising in colour confinement schemes: the geometry of the surface of a long intermediate colour electric flux tube or fat string, which separates the (inside) coloured quark-gluon phase from the (outside) colour singlet phase. We study such tunnelling mechanisms rigorously in a quantum mechanical laboratory using a semiclassical approximation to functional integrals extended to include complex classical paths.- MODEL: STRONG INTERACTION
- STRONG INTERACTION: MODEL
- MODEL: TUNNELING
- DIFFRACTION: HIGH ENERGY BEHAVIOR
- HADRON HADRON: ELASTIC SCATTERING
- ELASTIC SCATTERING: HADRON HADRON
- HADRON: MATTER
- HADRON: EXCITED STATE
- APPROXIMATION: semiclassical
- P P: ELASTIC SCATTERING
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