2001/10/04 by B. Loiseau, R. Kaminski, L. Lesniak
Physics and Astronomy · #hep-ph #nucl-th
published as PiN Newslett. 16 (2002) 349-351 · 3 pages, 2 figures. For the proceedings of MENU 2001, Washington D.C., July 26-31, 2001
arxiv created 2001/10/04 · arxiv updated 2009/11/30
The scalar-isoscalar, scalar-isotensor and vector-isovector pion-pion partial wave amplitudes are analyzed. Preliminary results indicate that only the scalar-isoscalar amplitude fitted to the "down-flat" data satisfies Roy's equations and consequently crossing symmetry.