Titlebook: Scattering Amplitudes in Quantum Field Theory; Simon Badger,Johannes Henn,Simone Zoia Book‘‘‘‘‘‘‘‘ 2024 The Editor(s) (if applicable) and

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Loop Integration Techniques and Special Functions,d present a number of one-loop examples. Working in dimensional regularisation, we discuss ultraviolet and infrared divergences. We then introduce special functions encountered in loop calculations and discuss their properties. Focusing on their defining differential equations, we show how the symbo

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Book‘‘‘‘‘‘‘‘ 2024 covers the path from basic definitions of QFT to amplitudes, which are relevant for processes in the Standard Model?of particle physics. The book begins with a concise yet self-contained introduction to QFT, including perturbative quantum gravity. It then presents modern methods for calculating sca

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Loop Integrands and Amplitudes,s. We then turn our attention to a general method for one-loop dimensionally regulated amplitudes in which a basis of functions is determined as well as a technique to determine their coefficients from on-shell data.

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Loop Integration Techniques and Special Functions,l method is a useful tool for keeping track of functional identities. We then connect back to Feynman integrals by showing how differential equations can be effectively used to read off the special functions appearing in them. In particular, we discuss residue-based methods that streamline such computations.

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Simon Badger,Johannes Henn,Simone ZoiaIncludes the most up-to-date and relevant topics for scattering amplitudes methods in research.Offers training material, aimed at MSc and PhD students, to master the subject.Provides a set of lectures

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Scattering Amplitudes in Quantum Field Theory978-3-031-46987-9Series ISSN 0075-8450 Series E-ISSN 1616-6361