2 problems

Classical Regge growth conjecture. The S-matrix of every physically acceptable classical theory never grows faster than $s^2$ at fixed $t$, at all physical values of momenta and fo…

Let $\Gamma'$ be the contour in the complex spin $J$-plane obtained by deforming the contour encircling the integer spins, and let $\Delta=\frac d2+i\nu$ parametrize the exchanged…