Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-12-23
Physics
High Energy Physics
High Energy Physics - Phenomenology
proc. of ``Possible Existence of sigma-Meson and Its Implication to Hadron Physics," YITP, Kyoto, June 12--14, 2000. 6 pages,
Scientific paper
It is stated that the requirement of unitarity and of analyticity should be made on the S-matrix elements with right bases, and the ``universality argument" made with the bases, which do not regard quark physical picture, is not right. Accordingly the result of the conventional analyses of the pi pi production amplitudes following to this argument, leading to non-existence of the light sigma-meson, is proved to lose its theoretical bases.
Ishida Muneyuki
Ishida Shin
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