Introduction to Soft-Collinear Effective Theory
Springer International Publishing (Verlag)
978-3-319-14847-2 (ISBN)
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.
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.
Erscheint lt. Verlag | 9.6.2015 |
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Reihe/Serie | Lecture Notes in Physics |
Zusatzinfo | XI, 206 p. 64 illus., 50 illus. in color. |
Verlagsort | Cham |
Sprache | englisch |
Maße | 155 x 235 mm |
Gewicht | 343 g |
Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik |
Naturwissenschaften ► Physik / Astronomie ► Hochenergiephysik / Teilchenphysik | |
Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
Naturwissenschaften ► Physik / Astronomie ► Thermodynamik | |
Schlagworte | effective field theory • QCD Resummation Techniques • QFT Infrared Divergences • Renormalization Group Evolution • SCET Perturbative QCD Textbook |
ISBN-10 | 3-319-14847-8 / 3319148478 |
ISBN-13 | 978-3-319-14847-2 / 9783319148472 |
Zustand | Neuware |
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