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Light-Front QCD and Heavy Quark Systems

1997/05/04 by Wei-Min Zhang, Zhang, Wei-Min
Physics and Astronomy · #FOS: Physical sciences #High Energy Physics - Phenomenology (hep-ph) #High-Energy Particle Collisions Research #Physics of Superconductivity and Magnetism #Quantum Chromodynamics and Particle Interactions #hep-ph

paper · pdf · doi:10.48550/arxiv.hep-ph/9705225

lecture notes, 45 pages. Based on lectures delivered at the First International School on Light-Front Quantization and Non-Perturbative QCD, May 6 - June 2, 1996, International Institute of Theoretical and Applied Physics, Iowa State University, Ames, IA, U.S.A

arxiv created 1997/05/04 · openalex publication_date 1997/05/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

In this series of lectures, I shall begin with the current investigations on phenomenology of hadron dynamics to demonstrate the importance of solving hadronic bound states within the framework of light-front (LF) QCD. Then, I will describe the basic procedure how to formulate the canonical theory of LFQCD, including light-front quantization of QCD, light-front gauge singularity, and light-front two-component formalism. I will also present a complete one-loop QCD calculation in terms of the light-front time-ordering perturbation theory, in comparison with the usual covariant perturbative QCD calculation. Following thereby I will discuss the development of heavy-quark effective theory and the manifestation of heavy quark symmetry on the light-front. Finally, by applying recently developed similarity renormalization group approach to light-front heavy quark effective theory, I will show a rigorous derivation of quark confinement interaction from LFQCD and its application to solve heavy hadron bound states.

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