242 citations · 1.5k across the 21 of their papers we have counts for
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hep-ph1995★ 65 cited
Determination of Two-Loop Scattering Amplitude Parameters
M. Knecht, B. Moussallam, J. Stern +1
The chiral expansion of the amplitude to the order of two loops was expressed in terms of six independent parameters in a previous paper: four of these are shown here to satis…
hep-ph1995★ 187 cited
The Low Energy Amplitude to One and Two Loops
M. Knecht, B. Moussallam, J. Stern +1
The low-energy amplitude is computed explicitly to two-loop accuracy in the chiral expansion. It depends only on six independent (combinations of) low-energy constants which a…