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The analytic properties of the triangle and box diagram amplitudes

Frederiksen, Jørgen Segerlund


An investigation is made of the analytic properties of two Feynman amplitudes, the triangle diagram amplitude and the box diagram amplitude, by using two different methods. After the first two introductory chapters, the scalar triangle diagram amplitude is studied in chapter 3. The Feynman parametrisation of this amplitude is transformed directly into a single spectral representation in the Mandelstam variable t . In this way, the different forms of the spectral representation, the...[Show more]

CollectionsOpen Access Theses
Date published: 1972
Type: Thesis (PhD)
DOI: 10.25911/5d70ec70769dc


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