{ "id": "hep-ph/9806349", "version": "v2", "published": "1998-06-12T02:34:42.000Z", "updated": "1998-06-26T19:57:48.000Z", "title": "Pion-Pion Scattering in Two Dimensions", "authors": [ "D. Delphenich", "J. Schechter", "S. Vaidya" ], "comment": "17 pages, 1 figure, LaTex. Typos and references corrected. Discussion of KSRF formula changed", "journal": "Phys.Rev. D59 (1999) 056004", "doi": "10.1103/PhysRevD.59.056004", "categories": [ "hep-ph", "hep-th" ], "abstract": "Massive two-flavor QED_2 is known to have many similarities to the two-flavor QCD_4. Here we compare the \\pi-\\pi scattering amplitudes (actually an analog process in QED_2) of the two theories. The QED_2 amplitude is computed from the bosonized version of the model while the QCD_4 amplitude is computed from an effective low energy chiral Lagrangian. A number of interesting features are noted. For example, the contribution of the two-dimensional Wess-Zumino-Witten (WZW) term in QED_2 is structurally identical to the vector meson exchange contribution in QCD_4. Also it is shown that the QED_2 amplitude computed at tree level is a reasonable approximation to the known exact strong coupling solution.", "revisions": [ { "version": "v2", "updated": "1998-06-26T19:57:48.000Z" } ], "analyses": { "keywords": [ "pion-pion scattering", "dimensions", "vector meson exchange contribution", "effective low energy chiral lagrangian", "exact strong coupling solution" ], "tags": [ "journal article" ], "publication": { "publisher": "APS", "journal": "Phys. Rev. D" }, "note": { "typesetting": "LaTeX", "pages": 17, "language": "en", "license": "arXiv", "status": "editable", "inspire": 471718 } } }