Derives an exact integral representation of the left-hand cut for arbitrary isospin and angular momentum partial waves as an integral over right-hand cut imaginary parts.
Gribov,Partial waves with complex orbital momenta and the asymptotic behaviour of the scattering amplitude,Zh
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The left-cut for partial waves in terms of physical amplitudes
Derives an exact integral representation of the left-hand cut for arbitrary isospin and angular momentum partial waves as an integral over right-hand cut imaginary parts.