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We apply differential equations technique to the calculation of the one-loop massless diagram with one offshell legs. Using reduction to $\epsilon$-form, we managed to obtain a simple one-fold integral representation… Click to show full abstract
We apply differential equations technique to the calculation of the one-loop massless diagram with one offshell legs. Using reduction to $\epsilon$-form, we managed to obtain a simple one-fold integral representation exact in space-time dimensionality. Expansion of the obtained result in $\epsilon$ and analytical continuation to physical region are discussed.
Keywords:
pentagon integral;
one loop;
integral one;
one shell;
loop pentagon;
loop
Journal Title: Physical Review D
Year Published: 2017
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Journal Title: Physical Review D
Year Published: 2017
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!