A Lower Bound on Inelasticity in Pion-Pion Scattering

André Martin, S. M. Roy

Assuming that the pion-pion scattering amplitude and its absorptive part are analytic inside an ellipse in $t$- plane with foci $t=0$, $u=0$ and right extremity $t=4m_{\pi }^2+\epsilon$, ($ε…