Scattering Amplitudes in Quantum Field Theory

This open access book bridges a gap between introductory Quantum Field Theory (QFT) courses and state-of-the-art research in scattering amplitudes. It covers the path from basic definitions of QFT to amplitudes, which are relevant for processes in the Standard Model of particle physics. The book beg...

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Bibliografische gegevens
Hoofdauteur: Badger, Simon (auth)
Andere auteurs: Henn, Johannes (auth), Plefka, Jan Christoph (auth), Zoia, Simone (auth)
Formaat: Elektronisch Hoofdstuk
Taal:Engels
Gepubliceerd in: Cham Springer Nature 2024
Reeks:Lecture Notes in Physics
Onderwerpen:
Online toegang:DOAB: download the publication
DOAB: description of the publication
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520 |a This open access book bridges a gap between introductory Quantum Field Theory (QFT) courses and state-of-the-art research in scattering amplitudes. It 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 scattering amplitudes, focusing on tree-level amplitudes, loop-level integrands and loop integration techniques. These methods help to reveal intriguing relations between gauge and gravity amplitudes and are of increasing importance for obtaining high-precision predictions for collider experiments, such as those at the Large Hadron Collider, as well as for foundational mathematical physics studies in QFT, including recent applications to gravitational wave physics.These course-tested lecture notes include numerous exercises with solutions. Requiring only minimal knowledge of QFT, they are well-suited for MSc and PhD students as a preparation for research projects in theoretical particle physics. They can be used as a one-semester graduate level course, or as a self-study guide for researchers interested in fundamental aspects of quantum field theory. 
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653 |a scattering amplitudes in gauge and gravity theory 
653 |a perturbative QCD 
653 |a Feynman integrals 
653 |a BCFW recursion relations 
653 |a conformal symmetry in QFT 
653 |a spinor helicity method 
653 |a colour decomposition for QCD amplitudes 
653 |a BCJ relations in QFT 
653 |a dimensional regularization in Feynman diagrams 
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