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Introduction to soft-collinear effec...

Becher, Thomas.

Introduction to soft-collinear effective theory

Record Type:	Electronic resources : Monograph/item
Title/Author:	Introduction to soft-collinear effective theoryby Thomas Becher, Alessandro Broggio, Andrea Ferroglia.
Author:	Becher, Thomas.
other author:	Broggio, Alessandro.
Published:	Cham :Springer International Publishing :2015.
Description:	xi, 208 p. :ill. (some col.), digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Quantum field theory.
Online resource:	http://dx.doi.org/10.1007/978-3-319-14848-9
ISBN:	9783319148489 (electronic bk.)

Introduction to soft-collinear effective theory
Becher, Thomas.

Introduction to soft-collinear effective theory[electronic resource] /by Thomas Becher, Alessandro Broggio, Andrea Ferroglia. - Cham :Springer International Publishing :2015. - xi, 208 p. :ill. (some col.), digital ;24 cm. - Lecture notes in physics,v.8960075-8450 ;. - Lecture notes in physics ;650..

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.

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.

ISBN: 9783319148489 (electronic bk.)

Standard No.: 10.1007/978-3-319-14848-9doiSubjects--Topical Terms:

203819
Quantum field theory.

LC Class. No.: QC174.45

Dewey Class. No.: 530.143

Introduction to soft-collinear effective theory
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505 0 $a 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.
520 $a 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.
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