Some Multi-Quark Potentials, Pseudo-Potentials and AdS/QCD
نویسنده
چکیده
The static three-quark potential and pseudo-potential of a pure SU(3) gauge theory are studied in a five-dimensional framework known as AdS/QCD. The results support the Yansatz for the baryonic area law. A comparison with the quark-antiquark calculations shows the universality of the string tension as well as the spatial string tension. We also discuss extensions to SU(N) gauge theories. PACS: 12.39.Pn; 12.90.+b SPAG-A1/08
منابع مشابه
Heavy-Quark Potentials and AdS/QCD
We give an example of modeling phenomenological heavy-quark potentials in a fivedimensional framework nowadays known as AdS/QCD. In particular we emphasize the absence of infrared renormalons. PACS : 12.39.Pn, 12.90.+b LANDAU-06-A1
متن کاملInter-quark Potentials in Baryons and Multi-quark Systems in Qcd
We perform the first studies of various inter-quark potentials in SU(3)c lattice QCD. From the accurate lattice calculation for more than 300 different patterns of three-quark (3Q) systems, we find that the static 3Q potential V3Q is well described by Y-Ansatz, i.e., the Coulomb plus Y-type linear potential. Quark confinement mechanism in baryons is also investigated in maximally-Abelian projec...
متن کاملQCD forces and heavy quark bound states
The present knowledge of QCD confining forces between static test charges is summarised, with an emphasis on lattice results. Recent developments in relating QCD potentials to quarkonium properties by use of effective field theory methods are presented. The validity of non-relativistic QCD and the adiabatic approximation with respect to heavy quark bound states is explored. Besides the static p...
متن کاملGeneralized parton distributions: confining potential effects within AdS/QCD
Generalized parton distributions are investigated within a holographic approach where the string modes in the fifth dimension describe the nucleon in a bottom–up or AdS/QCD framework. The aim is to bring the AdS/QCD results in the realm of phenomenology in order to extract consequences and previsions. Two main aspects are studied: (i) the role of the confining potential needed for breaking conf...
متن کاملمدل کوارکی فوق مرکزی و پتانسیل وابسته به ساختار فوق ریز نوکلئون
In this article nucleons are discussed based on constituent quark model. This model aims at studying the forces among three particles and the corresponding standard two-body potential contribution. The quark potential contains a hypercentral interaction. The confining potential is composed of four components,color charge, the oscillatory potential, the interaction quark and neutral gluon, and...
متن کامل