Low-Momentum-Transfer Pion-Pion Scattering
- 15 October 1963
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 132 (2), 867-873
- https://doi.org/10.1103/physrev.132.867
Abstract
High-energy effects at low momentum transfer, both in the direct and in the crossed channel, are introduced into a self-consistent calculation of low-energy scattering. These effects are assumed to be dominated by top-level Regge trajectories. The general method consists of combining the generalized Chew-Mandelstam and Ball-Wong techniques with self-consistency. It can be extended to complex angular momenta and thereby used to calculate the parameters of the assumed Regge trajectories. A rough selfconsistent calculation gives a mass of 712 MeV and a half-width of about 75 MeV for the meson, and a value of 15 mb for the total cross section at very high energies.
Keywords
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