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Author: Reinhard Alkofer
Publisher: Springer Science & Business Media
ISBN: 3540494545
Category : Science
Languages : en
Pages : 126
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Book Description
These notes give an introduction to the description of hadrons, i.e., mesons and baryons, within a quark model based on a chirally invariant quantum field theory. Emphasis is put on a didactic approach intended for graduate students with some background on functional integral techniques. Starting from QCD a motivation of a specific form of the effective quark interaction is given. Functional integral bosonization leads to a theory describing successfully meson properties. It possesses solitonic solutions which are identified as baryons. Via functional integral techniques a Faddeev equation for baryons describing them as bound states of a diquark and a quark is derived. Finally, a unification of these two complementary pictures of baryons is proposed.
Author: Reinhard Alkofer
Publisher: Springer Science & Business Media
ISBN: 3540494545
Category : Science
Languages : en
Pages : 126
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Book Description
These notes give an introduction to the description of hadrons, i.e., mesons and baryons, within a quark model based on a chirally invariant quantum field theory. Emphasis is put on a didactic approach intended for graduate students with some background on functional integral techniques. Starting from QCD a motivation of a specific form of the effective quark interaction is given. Functional integral bosonization leads to a theory describing successfully meson properties. It possesses solitonic solutions which are identified as baryons. Via functional integral techniques a Faddeev equation for baryons describing them as bound states of a diquark and a quark is derived. Finally, a unification of these two complementary pictures of baryons is proposed.
Author: Maciej A. Nowak
Publisher: World Scientific
ISBN: 9810210000
Category : Science
Languages : en
Pages : 560
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Book Description
The physics of strongly interacting many-body systems known as nuclear physics is a mature discipline which has achieved a remarkably quantitative success. It has explained with an impressive accuracy the properties of nuclei from the deuteron to heavy nuclei containing several hundreds of nucleons. This is the more remarkable when one realizes that in no way did the success depend on the existence of, or knowledge derived from, the fundamental theory of strong interactions now believed to be quantum chromodynamics (QCD).This monograph is a first, albeit embryonic, attempt to explain how a nucleus can be understood without invoking the explicit degrees of freedom of quarks and gluons while still staying within the basic premise of QCD and furthermore why do quark-gluon signatures not show up prominently in nuclear processes, including those processes involving short-distance encounters within nuclei. Such an understanding is largely based on the modern concepts of broken chiral symmetry and is believed to be essential in uncovering new physics expected to figure in the hadronic environment under extreme conditions of high temperature and/or high density.
Author: Chang-Hwan Lee
Publisher: World Scientific
ISBN: 9812705880
Category : Science
Languages : en
Pages : 373
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Book Description
This is the sequel to the first volume to treat in one effective field theory framework the physics of strongly interacting matter under extreme conditions. This is vital for understanding the high temperature phenomena taking place in relativistic heavy ion collisions and in the early Universe, as well as the high-density matter predicted to be present in compact stars. The underlying thesis is that what governs hadronic properties in a heat bath and/or a dense medium is hidden local symmetry which emerges from chiral dynamics of light quark systems and from the duality between QCD in 4D and bulk gravity in 5D as in AdS/QCD. Special attention is paid to hot matter relevant for relativistic heavy ion processes and to dense matter relevant for compact stars that are either stable or on the verge of collapse into black holes.
Author:
Publisher:
ISBN: 9814475769
Category :
Languages : en
Pages :
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Book Description
Author: Atsushi Hosaka
Publisher: World Scientific
ISBN: 9810246293
Category : Science
Languages : en
Pages : 389
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Book Description
This book describes baryon models constructed from quarks, mesons and chiral symmetry. The role of chiral symmetry and of quark model structure with SU(6) spin-flavor symmetry are discussed in detail, starting from a pedagogic introduction. Emphasis is placed on symmetry aspects of the theories. As an application, the chiral bag model is studied for nucleon structure, where important methods of theoretical physics, mostly related to the semiclassical approach for a system of strong interactions, are demonstrated. The text is more practical than formal; tools and ideas are explained in detail while solving actual problems. By checking each step of the computations, readers can learn not only the calculational techniques but also the essential ideas behind them.
Author: Li-Sheng Geng
Publisher: World Scientific
ISBN: 9814618233
Category : Science
Languages : en
Pages : 260
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Book Description
This proceedings volume collected papers presented at a recent symposium on Chiral Symmetry in Hadrons and Nuclei — the seventh in a series of international symposia — with an aim of providing a platform for discussions among the experts and an overview of the present status in the hadron and nuclear physics related to the chiral symmetry. The recent past years have seen a remarkable progress towards a unified description of nonperturbative strong interaction phenomena based on the fundamental theory of the strong interaction, Quantum ChromoDynamics, and Effective Field Theories. The topics discussed in these proceedings include: chiral and heavy-quark spin symmetry; chiral dynamics of few-body hadron systems; chiral symmetry and hadrons in a nuclear medium; chiral dynamics in nucleon–nucleon interaction and atomic nuclei; chiral symmetry in rotating nuclei; hadron structure and interactions; exotic hadrons, heavy flavor hadrons and nuclei; mesonic atoms and nuclei. Contents:Symmetry Breaking in the Parton Distribution Functions of the Nucleon (F-G Cao)A Chiral Effective Approach to Parity-Odd Proton-Proton Scattering (J de Vries)Tensor Force and Delta Excitation for the Structure of Light Nuclei (K Horii, H Toki and T Myo)Compositeness of Hadron Resonances in Chiral Dynamics (T Hyodo)Studies of Hypernuclei with the AMD Method (M Isaka)The High Order Chiral Lagrangian (S-Z Jiang and Q Wang)Understanding Nuclear Shape Phase Transitons Within SD-Pair Shell Model (L Li, Y Zhang, X Yuan, J Li, Y Luo, F Pan and J P Draayer)Heavy Quark Spin Structure in Hidden Charm Molecules (Y-R Liu)Decays of Doubly Charmed Meson Molecules (R Molina, A Hosaka and H Nagahiro)Recent Development on LQCD Studies of Nuclear Force (H Nemura)Octet Baryon Masses and Sigma Terms in Covariant Baryon Chiral Perturbation Theory (X-L Ren, L-S Gent and J Meng)Massive Hybrid Stars with Strangeness (T Takatsuka, T Hatsuda and K Masuda)Exotic Dibaryons with a Heavy Antiquark (Y Yamaguchi, A Hosaka and S Yasui)Chirality in Atomic Nuclei: 2013 (S Q Zhang, Q B Chen and J Meng)and other papers Keywords:Hadron;Nuclei;Chiral Symmetry
Author: Mohammad W. Ahmed
Publisher: World Scientific
ISBN: 9812790802
Category : Science
Languages : en
Pages : 477
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Book Description
Chiral Dynamics 2006 is the 5th International Workshop which examines the implications and the development of an approximate low-energy solution to the QCD Lagrangian based upon Chiral Symmetry. Advances in theory and experiment are presented in 20 plenary session papers along with more than one-hundred papers, including summaries, from the three working groups. Sample Chapter(s). Part 1.1: Opening Remarks: Experimental Tests of Chiral Symmetry Breaking (311 KB). Contents: Some Recent Developments in Chiral Perturbation Theory (U-G Meiner); Recent Results from HAPPEX (R Michaels); Kaon Physics: Recent Experimental Progress (M Moulson); Recent KTeV Results on Radiative Kaon Decays (M C Ronquest); Partially Quenched CHPT Results to Two Loops (J Bijnens); Finite Volume Effects: Lattice Meets CHPT (G Schierholz); Quark Mass Dependence of LECs in the Two-Flavour Sector (M Schmid); Leading Chiral Logarithms from Unitarity, Analyticity and the Roy Equations (A Fuhrer); Power Counting in Nuclear Chiral Effective Field Theory (U van Kolck); The Challenge of Calculating Baryon-Baryon Scattering from Lattice QCD (S R Beane); Few-Body Studies at KVI (J G Messchendorp); Compton Scattering on HE-3 (D Choudhury); Lattice Discretization Errors in Chiral Effective Field Theories (B C Tiburzi); Uncertainty Bands for Chiral Extrapolations (B U Musch); and other papers. Readership: Graduate students and academics in nuclear physics.
Author: Benjamin W. Lee
Publisher: Gordon & Breach Science Publishers
ISBN:
Category : Algebra of currents
Languages : en
Pages : 142
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Book Description
Author: Aron M. Bernstein
Publisher: Springer
ISBN:
Category : Computers
Languages : en
Pages : 370
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Book Description
Chiral dynamics provides a rigorous and model-independent methodology for making QCD predictions at the confinement scale. This helps particularly in the testing of the standard model. The workshop reported here was focused on theoretical predictions and the measurements of physical processes, analyzing carefully the phenomenology needed to bridge the gap between the two. Besides the lectures, this volume also contains summaries of the working groups on Â-Â-scattering, ÂN-interaction, photo/electro-pion-production, and on chiral anomaly. This book is a thorough review of the state of the art and it addresses researchers as well as graduate students.
Author:
Publisher:
ISBN: 9814475882
Category :
Languages : en
Pages :
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