Multiparticle Threshold Amplitudes Exponentiate in Arbitrary Scalar Theories
Abstract
Threshold amplitudes are considered for n-particle production in arbitrary scalar theory. It is found that, like in φ 4, leading-n corrections to the tree level amplitudes, being summed over all loops, exponentiate. This result provides more evidence in favor of the conjecture on the exponential behavior of the multiparticle amplitudes.
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