Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-03-04
Phys.Rev.D83:076008,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, 6 figures
Scientific paper
10.1103/PhysRevD.83.076008
A set of once subtracted dispersion relations with imposed crossing symmetry condition for the pipi D- and F-wave amplitudes is derived and analyzed. An example of numerical calculations in the effective two pion mass range from the threshold to 1.1 GeV is presented. It is shown that these new dispersion relations impose quite strong constraints on the analyzed pipi interactions and are very useful tools to test the pipi amplitudes. One of the goals of this work is to provide a complete set of equations required for easy use. Full analytical expressions are presented. Along with the well known dispersion relations successful in testing the pipi S- and P-wave amplitudes, those presented here for the D and F waves give a complete set of tools for analyzes of the pipi interactions.
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