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Heavy Quark Symmetry In The Soft Collinear Effective Theory
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Book Synopsis Heavy Quark Symmetry in the Soft Collinear Effective Theory by : Gautam Mantry
Download or read book Heavy Quark Symmetry in the Soft Collinear Effective Theory written by Gautam Mantry and published by . This book was released on 2005 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: We study strong interaction effects in nonleptonic decays of ... mesons with energetic particles in the final state. An introduction to Soft Collinear Effective Theory (SCET), the appropriate effective field theory of QCD for such decays, is given. We focus on decays of the type ... where M is a light energetic meson of energy E. The SCET formulates the problem as an expansion in powers of where Q [approx.] ... A factorization theorem is proven at leading order that separates the physics of the scales ... In addition, the factorization theorem decouples energetic degrees of freedom associated with the light meson allowing us to derive heavy quark symmetry relations between the ... type amplitudes. A new mechanism for the generation of non-perturbative strong phases is shown within the framework of factorization. Heavy quark symmetry relations are shown to apply for these strong phases as well. Furthermore, the strong phases for certain light mesons in the final state are shown to be universal. The analysis is extended to ... type decays with isosinglet light mesons and excited charmed mesons in the final state respectively. A host of other phenomenological relations are derived and found to be in good agreement with available data.
Book Synopsis Heavy Quark Effective Theory by : Andrey G. Grozin
Download or read book Heavy Quark Effective Theory written by Andrey G. Grozin and published by Springer Science & Business Media. This book was released on 2004-04-07 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: This up-to-date review also serves as an introduction to Heavy Quark Effective Theory (HQET) - a new approach to heavy quark physics problems in Quantum Chromodynamics (QCD). The book also contains a detailed discussion of the methods of calculation used in HQET, along with numerous illustrations.
Book Synopsis Heavy Quark Physics by : Aneesh V. Manohar
Download or read book Heavy Quark Physics written by Aneesh V. Manohar and published by Cambridge University Press. This book was released on 2023-07-31 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Introduction to Soft-Collinear Effective Theory by : Thomas Becher
Download or read book Introduction to Soft-Collinear Effective Theory written by Thomas Becher and published by Springer. This book was released on 2015-03-04 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Heavy Quark Physics by : Aneesh Vasant Manohar
Download or read book Heavy Quark Physics written by Aneesh Vasant Manohar and published by . This book was released on 2023 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the physics of heavy quarks gives physicists a unique opportunity to test the predictions of quantum chromodynamics and the Standard Model. This introductory text begins with a review of the Standard Model, followed by the basics of heavy quark spin-flavor symmetry and its application to the classification of states, decays and fragmentation. Heavy quark effective theory is then developed and applied to the study of hadron masses, form factors, and inclusive decay rates. The authors also discuss the application of chiral perturbation theory to heavy hadrons. Written by two world leading experts, the presentation is clear and original, with problems provided at the end of each chapter. This lucid volume is an ideal introduction to the physics of heavy quarks for graduate students and an authoritative reference for more experienced researchers. First published in 2000, this title has been reissued as an Open Access publication on Cambridge Core.
Book Synopsis Heavy Quarks, QCD, and Effective Field Theory by :
Download or read book Heavy Quarks, QCD, and Effective Field Theory written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The research supported by this OJI award is in the area of heavy quark and quarkonium production, especially the application Soft-Collinear E ective Theory (SCET) to the hadronic production of quarkonia. SCET is an e ffective theory which allows one to derive factorization theorems and perform all order resummations for QCD processes. Factorization theorems allow one to separate the various scales entering a QCD process, and in particular, separate perturbative scales from nonperturbative scales. The perturbative physics can then be calculated using QCD perturbation theory. Universal functions with precise fi eld theoretic de nitions describe the nonperturbative physics. In addition, higher order perturbative QCD corrections that are enhanced by large logarithms can be resummed using the renormalization group equations of SCET. The applies SCET to the physics of heavy quarks, heavy quarkonium, and similar particles.
Book Synopsis Heavy Quark Effective Theory by : Andrey G Grozin
Download or read book Heavy Quark Effective Theory written by Andrey G Grozin and published by Springer. This book was released on 2014-01-15 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effective Field Theories by : Alexey A. Petrov
Download or read book Effective Field Theories written by Alexey A. Petrov and published by World Scientific. This book was released on 2015-11-18 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a broad-based text intended to help the growing student body interested in constructing and applying methods of effective field theory to solve problems in their research. It begins with a review of using symmetries to identify the relevant degrees of freedom in a problem, and then presents a variety of methods that can be used to construct various effective theories. A detailed discussion of canonical applications of effective field theory techniques with increasing complexity is given, including Fermi's weak interaction, heavy-quark effective theory, and soft-collinear effective theory. Applications of these techniques to study physics beyond the standard model, dark matter, and quantum and classical gravity are explored. Although most examples come from questions in high-energy physics, many of the methods can also be applied in condensed-matter settings. Appendices include various factoids from group theory and other topics that are used throughout the text, in an attempt to make the book self-contained.
Book Synopsis Top Quark, Heavy Flavor Physics And Symmetry Breaking, The - Proceedings Of The Xxiii International Meeting On Fundamental Physics by : Teresa Rodrigo
Download or read book Top Quark, Heavy Flavor Physics And Symmetry Breaking, The - Proceedings Of The Xxiii International Meeting On Fundamental Physics written by Teresa Rodrigo and published by World Scientific. This book was released on 1996-03-31 with total page 340 pages. Available in PDF, EPUB and Kindle. Book excerpt: This meeting discussed the experimental results and theoretical aspects in the field of high energy physics, with special reference to the top quark observation, heavy flavor physics and symmetry-breaking mechanisms. The major topics are developed in a series of course lectures.
Book Synopsis Symmetry Relations for Heavy-to-Light Meson Form Factors at Large Recoil by :
Download or read book Symmetry Relations for Heavy-to-Light Meson Form Factors at Large Recoil written by and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The description of large-recoil heavy-to-light meson form factors is reviewed in the framework of soft-collinear effective theory. At leading power in the heavy-quark expansion, three classes of approximate symmetry relations arise. The relations are compared to experimental data for D → K* and D{sub s} → [phi] form factors, and to light-cone QCD sum rule predictions for B → [pi] and B → [rho] form factors. Implications for the extraction of.
Book Synopsis Effective Field Theory Approach to Heavy Quark Fragmentation by :
Download or read book Effective Field Theory Approach to Heavy Quark Fragmentation written by and published by . This book was released on 2016 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using an approach based on Soft Collinear Effective Theory (SCET) and Heavy Quark Effective Theory (HQET) we determine the b-quark fragmentation function from electron-positron annihilation data at the Z-boson peak at next-to-next-to leading order with next-to-next-to leading log resummation of DGLAP logarithms, and next-to-next-to-next-to leading log resummation of endpoint logarithms. This analysis improves, by one order, the previous extraction of the b-quark fragmentation function. We find that while the addition of the next order in the calculation does not much shift the extracted form of the fragmentation function, it does reduce theoretical errors indicating that the expansion is converging. Using an approach based on effective field theory allows us to systematically control theoretical errors. Furthermore, while the fits of theory to data are generally good, the fits seem to be hinting that higher order correction from HQET may be needed to explain the b-quark fragmentation function at smaller values of momentum fraction.
Book Synopsis Improved Heavy Quark Effective Theory Currents by : Oscar F. Hernández
Download or read book Improved Heavy Quark Effective Theory Currents written by Oscar F. Hernández and published by . This book was released on 1992 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effective Field Theories by : Alexey A Petrov
Download or read book Effective Field Theories written by Alexey A Petrov and published by World Scientific. This book was released on 2015-11-18 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a broad-based text intended to help the growing student body interested in constructing and applying methods of effective field theory to solve problems in their research. It begins with a review of using symmetries to identify the relevant degrees of freedom in a problem, and then presents a variety of methods that can be used to construct various effective theories. A detailed discussion of canonical applications of effective field theory techniques with increasing complexity is given, including Fermi's weak interaction, heavy-quark effective theory, and soft-collinear effective theory. Applications of these techniques to study physics beyond the standard model, dark matter, and quantum and classical gravity are explored. Although most examples come from questions in high-energy physics, many of the methods can also be applied in condensed-matter settings. Appendices include various factoids from group theory and other topics that are used throughout the text, in an attempt to make the book self-contained.
Book Synopsis Symmetries and Quantum Corrections in Heavy Quark Effective Field Theory by : Matthew James McIrvin
Download or read book Symmetries and Quantum Corrections in Heavy Quark Effective Field Theory written by Matthew James McIrvin and published by . This book was released on 1997 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heavy quark effective theory by : Dan Pirjol
Download or read book Heavy quark effective theory written by Dan Pirjol and published by . This book was released on 1995 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Theory of Quark and Gluon Interactions by : Francisco J. Yndurain
Download or read book The Theory of Quark and Gluon Interactions written by Francisco J. Yndurain and published by Springer Science & Business Media. This book was released on 2007-06-21 with total page 484 pages. Available in PDF, EPUB and Kindle. Book excerpt: First published in 1983, this book has become a classic among advanced textbooks. The new fourth edition maintains the high standard of its predecessors. The book offers basic knowledge of field theory and particle phenomenology. The author presents the basic facts of quark and gluon physics in pedagogical form. Explanations of theory are supported throughout with experimental findings. The text provides readers with sufficient understanding to follow modern research articles. This fourth edition presents a new section on heavy quark effective theories, more material on lattice QCD and on chiral perturbation theory.
Book Synopsis Heavy Quark Effective Theory by : Adam Frederick Falk
Download or read book Heavy Quark Effective Theory written by Adam Frederick Falk and published by . This book was released on 1991 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
