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Hamiltonian Eigenstates Of Hadrons In Light Front Qcd Including Vacuum Condensates
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Book Synopsis Hamiltonian Eigenstates of Hadrons in Light Front QCD Including Vacuum Condensates by : Stanisław Dobiesław Głazek
Download or read book Hamiltonian Eigenstates of Hadrons in Light Front QCD Including Vacuum Condensates written by Stanisław Dobiesław Głazek and published by . This book was released on 1988 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Theory Of Hadrons And Light Front Qcd - Proceedings Of The Fourth International Workshop On Light-front Quantization And Non-perturbative Dynamics by : S D Glazek
Download or read book Theory Of Hadrons And Light Front Qcd - Proceedings Of The Fourth International Workshop On Light-front Quantization And Non-perturbative Dynamics written by S D Glazek and published by World Scientific. This book was released on 1995-04-26 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume includes 45 talks and reports from facilitated discussions by outstanding contributors to the theory of hadrons that cover the entire spectrum of computational strategies being developed to solve QCD.A new computational strategy for solving light-front QCD, a strategy which starts with a constituent quark model that can be solved using the weak-coupling methods of QED, is extensively reviewed.
Download or read book QCD and Light-Front Dynamics written by and published by . This book was released on 2011 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: AdS/QCD, the correspondence between theories in a dilaton-modified five-dimensional anti-de Sitter space and confining field theories in physical space-time, provides a remarkable semiclassical model for hadron physics. Light-front holography allows hadronic amplitudes in the AdS fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time. The result is a single-variable light-front Schroedinger equation which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. The coordinate z in AdS space is uniquely identified with a Lorentz-invariant coordinate [zeta] which measures the separation of the constituents within a hadron at equal light-front time and determines the off-shell dynamics of the bound state wavefunctions as a function of the invariant mass of the constituents. The hadron eigenstates generally have components with different orbital angular momentum; e.g., the proton eigenstate in AdS/QCD with massless quarks has L = 0 and L = 1 light-front Fock components with equal probability. Higher Fock states with extra quark-anti quark pairs also arise. The soft-wall model also predicts the form of the nonperturbative effective coupling and its [beta]-function. The AdS/QCD model can be systematically improved by using its complete orthonormal solutions to diagonalize the full QCD light-front Hamiltonian or by applying the Lippmann-Schwinger method to systematically include QCD interaction terms. Some novel features of QCD are discussed, including the consequences of confinement for quark and gluon condensates. A method for computing the hadronization of quark and gluon jets at the amplitude level is outlined.
Book Synopsis The QCD Vacuum, Hadrons, and Superdense Matter by : E. V. Shuryak
Download or read book The QCD Vacuum, Hadrons, and Superdense Matter written by E. V. Shuryak and published by World Scientific. This book was released on 2004 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable book is an extensive set of lecture notes on variousaspects of non-perturbative quantum chromodynamics thefundamental theory of strong interaction on which nuclear and hadronicphysics is based.The original edition of the book, written in the mid-1980''s, had moreof a review style.
Download or read book Energy Research Abstracts written by and published by . This book was released on 1990 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Physics Of Hadrons And Qcd - Proceedings Of The Apctp-rcnp Joint International School And 1998 Yitp Workshop by : Makoto Oka
Download or read book Physics Of Hadrons And Qcd - Proceedings Of The Apctp-rcnp Joint International School And 1998 Yitp Workshop written by Makoto Oka and published by World Scientific. This book was released on 1999-09-17 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of the School and Workshop was to study recent topics in QCD and hadron physics from various points of view. The subjects included perturbative and nonperturbative aspects of QCD, chiral effective theory in hadron physics and high temperature and density nuclear matter physics.Another purpose was to enhance communications and collaborations among researchers in the Asia and Oceania region.
Book Synopsis Hadron Physics by : I.J. Douglas MacGregor
Download or read book Hadron Physics written by I.J. Douglas MacGregor and published by CRC Press. This book was released on 2006-07-07 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: Straddling the traditional disciplines of nuclear and particle physics, hadron physics is a vital and extremely active research area, as evidenced by a 2004 Nobel prize and new research facilities, such as that scheduled to open at CERN. Scientifically it is of vital importance in extrapolating our knowledge of quark-gluon physics at the sub-nucleon level to provide a wider perspective of strongly interacting hadrons, which make up the vast bulk of known matter in the Universe. Through detailed, pedagogical chapters contributed by key international experts, Hadron Physics maps out our contemporary knowledge of the subject. It covers both the theoretical and experimental aspects of hadron structure and properties along with a wide range of specific research topics, results, and applications. Providing a full picture of activity in the field, the book highlights three particular areas of current research: computational lattice hadron physics, the structure and dynamics of hadrons, and generalized parton distributions. It provides a solid introduction, includes background theory, and presents the current state of understanding of the subject.
Book Synopsis Novel Perspectives for Hadron Physics by :
Download or read book Novel Perspectives for Hadron Physics written by and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I discuss several novel and unexpected aspects of quantum chromodynamics. These include: (a) the nonperturbative origin of intrinsic strange, charm and bottom quarks in the nucleon at large x; the breakdown of pQCD factorization theorems due to the lensing effects of initial- and final-state interactions; (b) important corrections to pQCD scaling for inclusive reactions due to processes in which hadrons are created at high transverse momentum directly in the hard processes and their relation to the baryon anomaly in high-centrality heavy-ion collisions; and (c) the nonuniversality of quark distributions in nuclei. I also discuss some novel theoretical perspectives in QCD: (a) light-front holography - a relativistic color-confining first approximation to QCD based on the AdS/CFT correspondence principle; (b) the principle of maximum conformality - a method which determines the renormalization scale at finite order in perturbation theory yielding scheme independent results; (c) the replacement of quark and gluon vacuum condensates by 'in-hadron condensates' and how this helps to resolve the conflict between QCD vacuum and the cosmological constant.
Book Synopsis Hadrons And Nuclei From Qcd - Proceedings Of The International School-seminar '93 by : Keisuke Fujii
Download or read book Hadrons And Nuclei From Qcd - Proceedings Of The International School-seminar '93 written by Keisuke Fujii and published by World Scientific. This book was released on 1994-05-06 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents topics in which researchers in elementary particle and nuclear physics are commonly interested: nonperturbative aspects of QCD and chiral properties of hadrons, relativistic heavy ion reactions and quark-gluon plasma, nuclear matter at high temperature/ density, lattice QCD, quark structure of hadrons and nuclei, high q2 phenomena in hadrons and nuclei, heavy quarks and weak interaction, hyperon interactions and hypernuclei, relativistic nuclear theory, recent experimentals and other topics.Speakers: A A Andrianov, H Ejiri, V N Fetisov, Y Iwasaki, C Ciofi Degli Atti, V G Kadyshevsky, D I Kazakov, R Brockmann, A P Kobushkin, C M Ko, T Humanic, S H Lee, T Matsui, Y Mizuno, Y M Musakhanov, T Morü, M Namiki, S Saito, T-A Shibata, T Suzuki, A I Titov, G M Vagradov, M K Volkov, M Oka, A V Shebeko, S N Yang, G M Zinovjev, etc.
Book Synopsis Condensates in Quantum Chromodynamics and the Cosmological Constant by :
Download or read book Condensates in Quantum Chromodynamics and the Cosmological Constant written by and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Casher and Susskind have noted that in the light-front description, spontaneous chiral symmetry breaking in quantum chromodynamics (QCD) is a property of hadronic wavefunctions and not of the vacuum. Here we show from several physical perspectives that, because of color confinement, quark and gluon QCD condensates are associated with the internal dynamics of hadrons. We discuss condensates using condensed matter analogues, the AdS/CFT correspondence, and the Bethe-Salpeter/Dyson-Schwinger approach for bound states. Our analysis is in agreement with the Casher and Susskind model and the explicit demonstration of 'in-hadron' condensates by Roberts et al., using the Bethe-Salpeter/Dyson-Schwinger formalism for QCD bound states. These results imply that QCD condensates give zero contribution to the cosmological constant, since all of the gravitational effects of the in-hadron condensates are already included in the normal contribution from hadron masses.
Book Synopsis Hadron Spectroscopy and Wavefunctions in QCD and the AdS/CFT Correspondence by : Guy F. De Teramond
Download or read book Hadron Spectroscopy and Wavefunctions in QCD and the AdS/CFT Correspondence written by Guy F. De Teramond and published by . This book was released on 2005 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: The AdS/CFT correspondence has led to important insights into the properties of quantum chromodynamics even though QCD is a broken conformal theory. We have recently shown how a holographic model based on a truncated AdS space can be used to obtain the hadronic spectrum of light q{bar q}, qqq and gg bound states. Specific hadrons are identified by the correspondence of string modes with the dimension of the interpolating operator of the hadron's valence Fock state, including orbital angular momentum excitations. The predicted mass spectrum is linear M {proportional_to} L at high orbital angular momentum, in contrast to the quadratic dependence M{sup 2} {proportional_to} L found in the description of spinning strings. Since only one parameter, the QCD scale LQCD, is introduced, the agreement with the pattern of physical states is remarkable. In particular, the ratio of D to nucleon trajectories is determined by the ratio of zeros of Bessel functions. The light-front quantization of gauge theories in light-cone gauge provides a frame-independent wavefunction representation of relativistic bound states, simple forms for current matrix elements, explicit unitarity, and a trivial vacuum. The light-front Fock-state wavefunctions encode the bound state properties of hadrons in terms of their quark and gluon degrees of freedom at the amplitude level. One can also use the extended AdS/CFT space-time theory to obtain a model for hadronic light-front wavefunctions, thus providing a relativistic description of hadrons in QCD at the amplitude level. The model wavefunctions display confinement at large inter-quark separation and conformal symmetry at short distances. In particular, the scaling and conformal properties of the LFWFs at high relative momenta agree with perturbative QCD. These AdS/CFT model wavefunctions could be used as an initial ansatz for a variational treatment of the light-front QCD Hamiltonian. We also show how hadron form factors in both the space-like and time-like regions can be predicted.
Author :Behram N. Kursunogammalu Publisher :Springer Science & Business Media ISBN 13 :1489915648 Total Pages :388 pages Book Rating :4.4/5 (899 download)
Book Synopsis Neutrino Mass, Dark Matter, Gravitational Waves, Monopole Condensation, and Light Cone Quantization by : Behram N. Kursunogammalu
Download or read book Neutrino Mass, Dark Matter, Gravitational Waves, Monopole Condensation, and Light Cone Quantization written by Behram N. Kursunogammalu and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: The International Conference, Orbis Scientiae 1996, focused on the topics: The Neutrino Mass, Light Cone Quantization, Monopole Condensation, Dark Matter, and Gravitational Waves which we have adopted as the title of these proceedings. Was there any exciting news at the conference? Maybe, it depends on who answers the question. There was an almost unanimous agreement on the overall success of the conference as was evidenced by the fact that in the after-dinner remarks by one of us (BNK) the suggestion of organizing the conference on a biannual basis was presented but not accepted: the participants wanted the continuation of the tradition to convene annually. We shall, of course, comply. The expected observation of gravitational waves will constitute the most exciting vindication of Einstein's general relativity. This subject is attracting the attention of the experimentalists and theorists alike. We hope that by the first decade of the third millennium or earlier, gravitational waves will be detected, opening the way for a search for gravitons somewhere in the universe, presumably through the observations in the CMBR. The theoretical basis of the graviton search will take us to quantum gravity and eventually to the modification of general relativity to include the Planck scale behavior of gravity -at energies 19 of the order of 10 Ge V.
Download or read book EXA 2011 written by Paul Bühler and published by Springer Science & Business Media. This book was released on 2012-08-21 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the International Conference on Exotic Atoms and Related Topics (EXA 2011) held in Vienna, Austria, September 5-9, 2011 E.Widmann and O. Hartmann (Eds) Now the research in exotic atoms has a remarkable history of more than 50 years. Enormous success in the understanding of fundamental interactions and symmetries resulted from the research on these tiny objects at the femtoscale. This volume contains research papers on recent achievements and future opportunities of this highly interdisciplinary field of atomic, nuclear, and particle physics. The Proceedings are structured according to the conference session topics: Kaon-Nucleus and Kaon-Nucleon Interactions, Antihydrogen and Fundamental Symmetries, Hadronphysics with Antiprotons, Future Facilities and Instrumentation, Low energy QCD. Reprint from Hyperfine Interactions vol. 209, 210 and 211.
Book Synopsis Lepton Scattering, Hadrons And Qcd, Procs Of The Workshop by : W Melnitchouk
Download or read book Lepton Scattering, Hadrons And Qcd, Procs Of The Workshop written by W Melnitchouk and published by World Scientific. This book was released on 2001-10-19 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is centered on recent developments in the exploration of hadronic structure through lepton scattering, in the description of hadron physics directly from lattice QCD and non-perturbative QCD models, and in efforts to strengthen the links between these activities. Specific topics that are covered include: parton distribution functions, polarized structure functions, generalized structure functions, nuclear effects, quark-hadron duality, electromagnetic form factors, structure functions and hadron properties from lattice QCD, and QCD models based on the Dyson-Schwinger equations.
Book Synopsis Models of Hadron Structure Based on Quantum Chromodynamics by : Ramón F. Alvarez-Estrada
Download or read book Models of Hadron Structure Based on Quantum Chromodynamics written by Ramón F. Alvarez-Estrada and published by Springer. This book was released on 1986 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Light-Front Holography, AdS/QCD, and Hadronic Phenomena by :
Download or read book Light-Front Holography, AdS/QCD, and Hadronic Phenomena written by and published by . This book was released on 2009 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: AdS/QCD, the correspondence between theories in a modified five-dimensional anti-de Sitter space and confining field theories in physical space-time, provides a remarkable semiclassical model for hadron physics. Light-front holography allows hadronic amplitudes in the AdS fifth dimension to be mapped to frame-independent light-front wavefunctions of hadrons in physical space-time, thus providing a relativistic description of hadrons at the amplitude level. We identify the AdS coordinate z with an invariant light-front coordinate [zeta] which separates the dynamics of quark and gluon binding from the kinematics of constituent spin and internal orbital angular momentum. The result is a single-variable light-front Schroedinger equation with a confining potential which determines the eigenspectrum and the light-front wavefunctions of hadrons for general spin and orbital angular momentum. The mapping of electromagnetic and gravitational form factors in AdS space to their corresponding expressions in light-front theory confirms this correspondence. Some novel features of QCD are discussed, including the consequences of confinement for quark and gluon condensates. The distinction between static structure functions, such as the probability distributions computed from the square of the light-front wavefunctions, versus dynamical structure functions which include the effects of rescattering, is emphasized. A new method for computing the hadronization of quark and gluon jets at the amplitude level, an event amplitude generator, is outlined.
Book Synopsis Lectures on Hadron Physics by : Erasmo Ferreira
Download or read book Lectures on Hadron Physics written by Erasmo Ferreira and published by World Scientific Publishing Company. This book was released on 1990 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
