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A proof of the mandelstam representation in perturbation theory

✍ Scribed by P. V. Landshoff; J. C. Polkinghorne; J. C. Taylor

Book ID
112837988
Publisher
Società Italiana di Fisica
Year
1961
Weight
706 KB
Volume
19
Category
Article
ISSN
0029-6341

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📜 SIMILAR VOLUMES

An example of the mandelstam representat
An example of the mandelstam representation in perturbation theory
✍ Paul Federbush 📂 Article 📅 1965 🏛 Elsevier Science 🌐 English ⚖ 113 KB

A Feynman diagram that has three particle intermediate states in all channels is studied. Choosing special values of the masses, in particular taking infrared divergent terms as certain masses go to zero, we explicitly calculate the spectral functions in this limit. They are nonzero in all three reg