Chiral Dynamics for High-Spin Baryons and an Application to Double-Pion Photoproduction
- 25 October 1968
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 174 (5), 1799-1808
- https://doi.org/10.1103/physrev.174.1799
Abstract
An chiral-dynamical Lagrangian for baryons of arbitrary spin and isospin is discussed. Cross sections for low-energy double-pion photoproduction from a nucleon are calculated by assuming that the nucleon and one final pion form an isobar . The results are compared with those obtained by the soft-pion dispersion-relation approach. It is shown that the static-nucleon model gives satisfactory total cross sections but is inadequate for angular-distribution differential cross sections. Our theoretical predictions are consistent with experiment.
Keywords
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