Finite 3π Cut Approximation for the πNN Form Factor
A. A. Bolokhov, N. Zovko
Abstract
Assuming the length of the 3π cut to be finite and approximating the integrated amplitude by a constant, we derive an expression for the πNN form factor which is very close to that given by a simple pole. The specific predictions of the obtained form factor for the region of small momentum transfer are discussed along the lines of the Goldberger-Treiman relation.
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