Introduction to Soft-Collinear Effective Theory
(Sprache: Englisch)
Among resummation techniques for perturbative QCD in the context of collider and flavor physics, soft-collinear effective theory (SCET) has emerged as both a powerful and versatile tool, having been applied to a large variety of processes, from B-meson...
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Klappentext zu „Introduction to Soft-Collinear Effective Theory “
Among resummation techniques for perturbative QCD in the context of collider and flavor physics, soft-collinear effective theory (SCET) has emerged as both a powerful and versatile tool, having been applied to a large variety of processes, from B-meson decays to jet production at the LHC. This book provides a concise, pedagogical introduction to this technique. It discusses the expansion of Feynman diagrams around the high-energy limit, followed by the explicit construction of the effective Lagrangian - first for a scalar theory, then for QCD. The underlying concepts are illustrated with the quark vector form factor at large momentum transfer, and the formalism is applied to compute soft-gluon resummation and to perform transverse-momentum resummation for the Drell-Yan process utilizing renormalization group evolution in SCET. Finally, the infrared structure of n-point gauge-theory amplitudes is analyzed by relating them to effective-theory operators.
This text is suitable for graduate students and non-specialist researchers alike as it requires only basic knowledge of perturbative QCD.
Inhaltsverzeichnis zu „Introduction to Soft-Collinear Effective Theory “
From the Contents: Introduction.- The Strategy of Regions.- Scalar SCET.- Generalization to QCD.- Resummation by RG Evolution.- Threshold Resummation in Drell-Yan Production.- Transverse Momentum Resummation.- n-Jet Processes and IR Divergences of Gauge Theory Amplitudes.- Applications of SCET.- Summary of Notations and Conventions.- One-Loop Integrals.- Inverse Derivative Operator.- Wilson Lines and Gauge Transformations.- Momentum-Space Feynman Rules for Soft Wilson Lines.- Decoupling Transformation and the Gluon Kinetic Term.- Integrals for Transverse PDFs at NLO.- Color Space Formalism.- Anomalous Dimensions.
Bibliographische Angaben
- Autoren: Thomas Becher , Alessandro Broggio , Andrea Ferroglia
- 2015, 2015, XI, 206 Seiten, 50 farbige Abbildungen, Maße: 15,5 x 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 3319148478
- ISBN-13: 9783319148472
- Erscheinungsdatum: 09.06.2015
Sprache:
Englisch
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