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 ${\varphi }^4$, 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.

9 pages, latex, 3 latex figures

References in corpus (1)

• Threshold Multiparticle Amplitudes in Phi^4 Theories at Large N

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