Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-06-22
Nuovo Cim. A110 (1997) 1277
Physics
High Energy Physics
High Energy Physics - Theory
5 pages
Scientific paper
We propose a new method to calculate the 4-dimensional divergent integrals. By calculating the one loop integral as an example, the regularization of the integrals in 3-dimension momentum space are given in details. We find that the new method gives the same results as the traditional dimensional regularization method gives, but the new method has the advantage that it gives the real and the imaginary part separately.
Chen Wei
Liu Liang-gang
Luo Xiang-qian
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