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hep-ph1997
S and T for Leptoquarks and Bileptons
Paul H. Frampton, Masayasu Harada
We calculate contributions to the oblique parameters and for leptoquarks and bileptons, and find phenomenological constraints on their allowed masses. Leptoquarks suggested…
hep-ph1997
Existence of sigma meson in pi-pi scattering
Masayasu Harada
In this talk I summarize a recently proposed mechanism to understand pi pi scattering to 1 GeV. The model is motivated by the 1/Nc expansion to QCD, and includes a current algebra…