Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2009-06-10
Physics
Nuclear Physics
Nuclear Theory
4 pages, 1 figure
Scientific paper
The renormalization, finiteness and off-shellness of short distance power like singular interactions is discussed. We show analytically that the renormalizability of the off-shell scattering amplitude relies completely on the corresponding on-shell amplitude without proliferation of new counterterms. We illustrate the result by complementary calculations both in coordinate as well as in momentum space in the simplest 1S0 channel for chiral np interactions including Two Pion Exchange.
Arriola Enrique Ruiz
Entem D. R.
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