Regularization of singular terms in $N\bar{N}$ potential model

Details Regularization of singular terms in $N\bar{N}$ potential model Regularization of singular terms in $N\bar{N}$ potential model

2004-11-11

arxiv.org/abs/nucl-th/0411042v2

Physics

Nuclear Physics

Nuclear Theory

7 pages, references added

Scientific paper

We suggest a method of singular terms regularization in potential model of $N\bar{N}$ interaction. This method is free from any uncertainties, related to the usual cut-off procedure and based on the fact, that in the presence of sufficiently strong short-range annihilation $N$ and $\bar{N}$ never approach close enough to each other. The effect of mentioned singular terms of OBE potential, modified by annihilation is shown to be repulsive. The obtained results for S- and P-wave scattering lengths are in agreement with existing theoretical models.

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