Abstract:
The purpose of this work is to discuss the problems of phase shift analysIs and to
construct a method for resohing these problems by U5lllg the zeros of scattering
amplitude, in par\lcular, this work traces Yukawa potential whIch desCribes nucleonnucleon
scattenng First, the phase shifts and the differential cross-sectIOns are
computed and then compared wllh those of the Born results The comparison shows a
fair agreement between the two methods wh,ch results 111 fedmg tree to compute the
zeros of scattenng amplitude The zero trajectories arc then displayed graphically in
the momentum transfer plane A study of the nature oflhe lero trajectories show that
the ambiguities of phase shift analysis are reduced to some extent for weak potential
5lrengths.
