Soft Collinear Effective Theory For Collider Processes
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Author |
: Bianka Mecaj |
Publisher |
: |
Total Pages |
: |
Release |
: 2021 |
ISBN-10 |
: OCLC:1293216218 |
ISBN-13 |
: |
Rating |
: 4/5 (18 Downloads) |
Synopsis Soft Collinear Effective Theory for Collider Processes by : Bianka Mecaj
Author |
: Thomas Becher |
Publisher |
: Springer |
Total Pages |
: 214 |
Release |
: 2015-03-04 |
ISBN-10 |
: 9783319148489 |
ISBN-13 |
: 3319148486 |
Rating |
: 4/5 (89 Downloads) |
Synopsis Introduction to Soft-Collinear Effective Theory by : Thomas Becher
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.
Author |
: Grigol Ovanesyan |
Publisher |
: |
Total Pages |
: 200 |
Release |
: 2010 |
ISBN-10 |
: OCLC:868550517 |
ISBN-13 |
: |
Rating |
: 4/5 (17 Downloads) |
Synopsis Applying Effective Theories to Collider Phenomenology by : Grigol Ovanesyan
Collinear fields in soft collinear effective theory (SCET) can be made invariant under collinear gauge transformations by multiplying them with collinear Wilson lines. We discuss how we can quantize SCET directly in terms of these gauge invariant fields, allowing to directly calculate S matrix elements using the gauge invariant collinear fields. We also show how for each collinear direction SCET can be written in terms of fields whose interactions are given by the usual QCD Lagrangian, and how external operators coupling these different directions can be constructed. Using SCET, which provides a unified framework for factorization, resummation of logarithms, and incorporation of universal nonperturbative functions in hard-scattering QCD cross-sections, we present a new prediction of angularity distributions in e+e- annihilation. Angularities [tau]a are an infinite class of event shapes which vary in their sensitivity to the substructure of jets in the final state, controlled by a continuous parameter a
Author |
: Sacha Davidson |
Publisher |
: Oxford University Press |
Total Pages |
: 400 |
Release |
: 2020-04-20 |
ISBN-10 |
: 9780192597762 |
ISBN-13 |
: 0192597760 |
Rating |
: 4/5 (62 Downloads) |
Synopsis Effective Field Theory in Particle Physics and Cosmology by : Sacha Davidson
The topic of the CVIII session of the Ecole de Physique des Houches, held in July 2017, was Effective Field Theory in Particle Physics and Cosmology. Effective Field Theory (EFT) is a general method for describing quantum systems with multiple length scales in a tractable fashion. It allows to perform precise calculations in established models (such as the Standard Models of particle physics and cosmology), as well as to concisely parametrise possible effects from physics beyond the Standard Models. The goal of this school was to offer a broad introduction to the foundations and modern applications of Effective Field Theory in many of its incarnations. This is all the more important as there are preciously few textbooks covering the subject, none of them in a complete way. In this book, the lecturers present the concepts in a pedagogical way so that readers can adapt some of the latest developments to their own problems. The chapters cover almost all the lectures given at the school and will serve as an introduction to the topic and as a reference manual to students and researchers.
Author |
: Guido Altarelli |
Publisher |
: Springer |
Total Pages |
: 183 |
Release |
: 2017-04-19 |
ISBN-10 |
: 9783319519203 |
ISBN-13 |
: 3319519204 |
Rating |
: 4/5 (03 Downloads) |
Synopsis Collider Physics within the Standard Model by : Guido Altarelli
This book is open access under a CC BY 4.0 license. With this graduate-level primer, the principles of the standard model of particle physics receive a particular skillful, personal and enduring exposition by one of the great contributors to the field. In 2013 the late Prof. Altarelli wrote: The discovery of the Higgs boson and the non-observation of new particles or exotic phenomena have made a big step towards completing the experimental confirmation of the standard model of fundamental particle interactions. It is thus a good moment for me to collect, update and improve my graduate lecture notes on quantum chromodynamics and the theory of electroweak interactions, with main focus on collider physics. I hope that these lectures can provide an introduction to the subject for the interested reader, assumed to be already familiar with quantum field theory and some basic facts in elementary particle physics as taught in undergraduate courses. “These lecture notes are a beautiful example of Guido’s unique pedagogical abilities and scientific vision”. From the Foreword by Gian Giudice
Author |
: Jian Wang |
Publisher |
: Springer |
Total Pages |
: 153 |
Release |
: 2015-10-28 |
ISBN-10 |
: 9783662486733 |
ISBN-13 |
: 3662486733 |
Rating |
: 4/5 (33 Downloads) |
Synopsis QCD Higher-Order Effects and Search for New Physics by : Jian Wang
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.
Author |
: R. K. Ellis |
Publisher |
: Cambridge University Press |
Total Pages |
: 462 |
Release |
: 2003-12-04 |
ISBN-10 |
: 0521545897 |
ISBN-13 |
: 9780521545891 |
Rating |
: 4/5 (97 Downloads) |
Synopsis QCD and Collider Physics by : R. K. Ellis
A detailed overview of the physics of high-energy colliders emphasising the role of QCD.
Author |
: |
Publisher |
: |
Total Pages |
: 5 |
Release |
: 2003 |
ISBN-10 |
: OCLC:68491522 |
ISBN-13 |
: |
Rating |
: 4/5 (22 Downloads) |
Synopsis Soft-Collinear Messengers by :
It is argued that soft-collinear effective theory for processes involving both soft and collinear partons, such as exclusive B-meson decays, should include a new mode in addition to soft and collinear fields. These ''soft-collinear messengers'' can interact with both soft and collinear particles without taking them far off-shell. They thus can communicate between the soft and collinear sectors of the theory. The relevance of the new mode is demonstrated with an explicit example, and the formalism incorporating the corresponding quark and gluon fields into the effective Lagrangian is developed.
Author |
: Satyajit Jena |
Publisher |
: Springer Nature |
Total Pages |
: 1353 |
Release |
: |
ISBN-10 |
: 9789819702893 |
ISBN-13 |
: 9819702895 |
Rating |
: 4/5 (93 Downloads) |
Synopsis Proceedings of the XXV DAE-BRNS High Energy Physics (HEP) Symposium 2022, 12–16 December, Mohali, India by : Satyajit Jena
Author |
: Lance Dixon |
Publisher |
: World Scientific |
Total Pages |
: 636 |
Release |
: 2015-09-17 |
ISBN-10 |
: 9789814678773 |
ISBN-13 |
: 9814678775 |
Rating |
: 4/5 (73 Downloads) |
Synopsis Journeys Through The Precision Frontier: Amplitudes For Colliders (Tasi 2014) - Proceedings Of The 2014 Theoretical Advanced Study Institute In Elementary Particle Physics by : Lance Dixon
This volume is a compilation of the lectures at TASI 2014. The coverage focuses on modern calculational techniques for scattering amplitudes, and on the phenomenology of QCD in hadronic collisions. Introductions to flavor physics, dark matter, and physics beyond the Standard Model are also provided. The lectures are accessible to graduate students at the initial stages of their research careers.