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Meromorphic dual amplitude for two-fermion-three-boson scattering

✍ Scribed by J. P. Lebrun


Book ID
110661472
Publisher
Società Italiana di Fisica
Year
1970
Weight
219 KB
Volume
3
Category
Article
ISSN
0375-930X

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Two-loop helicity amplitudes for fermion
✍ Z. Bern; A. De Freitas 📂 Article 📅 2004 🏛 Elsevier Science 🌐 English ⚖ 137 KB

We discuss the calculation of two-loop helicity amplitudes for quark-quark scattering in QCD and four-gluino scattering in N = 1 supersymmetric Yang-Mills theory. We study the dependence of the results on different variants of dimensional regularization. In particular, we consider the 't Hooft-Veltm