The Scale Of Soft Resummation In Scet Vs Perturbative Qcd
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Introduction to Soft-Collinear Effective Theory
Author | : Thomas Becher |
Publisher | : Springer |
Total Pages | : 214 |
Release | : 2015-03-04 |
Genre | : Science |
ISBN | : 3319148486 |
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.
Advances in Jet Substructure at the LHC
Author | : Roman Kogler |
Publisher | : Springer Nature |
Total Pages | : 287 |
Release | : 2021-05-10 |
Genre | : Science |
ISBN | : 3030728587 |
This book introduces the reader to the field of jet substructure, starting from the basic considerations for capturing decays of boosted particles in individual jets, to explaining state-of-the-art techniques. Jet substructure methods have become ubiquitous in data analyses at the LHC, with diverse applications stemming from the abundance of jets in proton-proton collisions, the presence of pileup and multiple interactions, and the need to reconstruct and identify decays of highly-Lorentz boosted particles. The last decade has seen a vast increase in our knowledge of all aspects of the field, with a proliferation of new jet substructure algorithms, calculations and measurements which are presented in this book. Recent developments and algorithms are described and put into the larger experimental context. Their usefulness and application are shown in many demonstrative examples and the phenomenological and experimental effects influencing their performance are discussed. A comprehensive overview is given of measurements and searches for new phenomena performed by the ATLAS and CMS Collaborations. This book shows the impressive versatility of jet substructure methods at the LHC.
QCD Higher-Order Effects and Search for New Physics
Author | : Jian Wang |
Publisher | : Springer |
Total Pages | : 153 |
Release | : 2015-10-28 |
Genre | : Science |
ISBN | : 3662486733 |
This book mainly investigates the precision predictions on the signal of new physics at the Large Hadron Collider (LHC) in the perturbative Quantum Chromodynamics (QCD) scheme. The potential of the LHC to discover the signal of dark matter associated production with a photon is studied after including next-to-leading order QCD corrections. The factorization and resummation of t-channel top quark transverse momentum distribution in the standard model at both the Tevatron and the LHC with soft-collinear effective theory are presented. The potential of the early LHC to discover the signal of monotops is discussed. These examples illustrate the method of searching for new physics beyond what is known today with high precision.
From the Fermi Scale to Cosmology
Author | : Alberto Salvio |
Publisher | : Frontiers Media SA |
Total Pages | : 265 |
Release | : 2019-12-06 |
Genre | : |
ISBN | : 2889632059 |
Quantum Field Theory and the Standard Model
Author | : Matthew D. Schwartz |
Publisher | : Cambridge University Press |
Total Pages | : 869 |
Release | : 2014 |
Genre | : Science |
ISBN | : 1107034736 |
A modern introduction to quantum field theory for graduates, providing intuitive, physical explanations supported by real-world applications and homework problems.
Foundations of Perturbative QCD
Author | : John Collins |
Publisher | : Cambridge University Press |
Total Pages | : 639 |
Release | : 2023-07-31 |
Genre | : Science |
ISBN | : 1009401831 |
10th Conference on the Intersections of Particle and Nuclear Physics
Author | : Marvin L. Marshak |
Publisher | : American Institute of Physics |
Total Pages | : 1010 |
Release | : 2010-01-11 |
Genre | : Science |
ISBN | : 9780735407237 |
CIPANP 2009 explores areas of common interest between nuclear physicists, high energy (particle) physicists and astrophysicists. These areas range from studies of the strong interactions that bind nuclei together to physics of the very early Universe and include such topics as neutrinos, hadron physics, spin physics, heavy ion physics, QCD and heavy flavor physics. The Conference papers include descriptions of searches for "new physics", phenomena that cannot be accounted for by current theories.