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A nonlocal and nonlinear theory of hadrons, equivalent to the color singlet sector two dimensional QCD, is constructed. The phase space space of this theory is an infinite dimensional Grassmannian. The baryon number of QCD corresponds to a…

High Energy Physics - Theory · Physics 2015-06-26 S. G. Rajeev

This snapshot of recent progress in hadron physics made in connection with QCD's Dyson-Schwinger equations includes: a perspective on confinement and dynamical chiral symmetry breaking (DCSB); a pre'cis on the physics of in-hadron…

Nuclear Theory · Physics 2017-08-23 H. L. L. Roberts , L. Chang , I. C. Cloet , C. D. Roberts

The SU(3)_flavor constituent quark model has been quite successful to explain the properties as well as the observed spectrum of mesons with pseudoscalar and vector quantum numbers. Many radial and orbital excitations of quark-antiquark…

High Energy Physics - Experiment · Physics 2015-03-20 Bernhard Ketzer

As it is well known by now, the pre-partonic phase in hadron collisions is successfully described by the Color Glass Condensate (CGC) approach. Previous studies, based on experimental data obtained on a wide range of energies at the…

High Energy Physics - Phenomenology · Physics 2021-11-17 A. Lindner , M. Petrovici , A. Pop

Light-front coordinates offer a scenario in which a constituent approximation of hadron structure can emerge from QCD. This requires cutoffs that violate Lorentz covariance and gauge invariance, and a new renormalization group formalism…

High Energy Physics - Theory · Physics 2007-05-23 Robert J. Perry

We study the asymmetric nuclear matter using a holographic QCD model by introducing a baryonic charge in the infrared boundary. We first show that, in the normal hadron phase, the predicted values of the symmetry energy and it's slope…

High Energy Physics - Phenomenology · Physics 2015-01-07 Hiroki Nishihara , Masayasu Harada

The folklore tradition about the QCD phase diagram is that at the chiral restoration phase transition at finite density hadrons are deconfined and there appears the quark matter. We address this question within the only known exactly…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Ya. Glozman , R. F. Wagenbrunn

The combination of Anti-de Sitter space (AdS) methods with light-front holography leads to a semi-classical first approximation to the spectrum and wavefunctions of meson and baryon light-quark bound states. Starting from the bound-state…

High Energy Physics - Phenomenology · Physics 2009-10-06 Stanley J. Brodsky , Guy F. de Téramond

A fundamental understanding of quantum chromodynamics, particularly at the amplitude level, is essential for progress in high energy physics. For example, the measurement and interpretation of the basic parameters of the electroweak theory…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky

Holographic principles have impacted the way we look at strong coupling phenomena in quantum chromodynamics, strongly interacting extensions of the standard model, and {condensed-matter} physics. In real world settings, however, we still…

High Energy Physics - Phenomenology · Physics 2014-04-23 Dennis D. Dietrich

We interpret the dynamics of Supersymmetric QCD (SQCD) in terms of ideas familiar from the hadronic world. Some mysterious properties of the supersymmetric theory, such as the emergent magnetic gauge symmetry, are shown to have analogs in…

High Energy Physics - Theory · Physics 2011-02-16 Zohar Komargodski

We review the perturbative QCD formalism of hadronic electromagnetic form factors and the color transparency ratio for quasi-exclusive electroproduction of the proton and pion from nuclear targets. We have completed the first full…

High Energy Physics - Phenomenology · Physics 2011-04-15 Pankaj Jain , Bijoy Kundu , John P. Ralston , Jim Samuelsson

Anti-de Sitter space in five dimensions provides an exact geometrical representation of the conformal group. Remarkably, gravity in AdS$_5$ space is holographically dual to frame-independent light-front Hamiltonian theory, derived from the…

High Energy Physics - Theory · Physics 2013-09-20 Stanley J. Brodsky , Guy F. de Téramond , Hans Günter Dosch

A unique feature of quantum chromodynamics (QCD), the theory of strong interactions, is the possibility for gluonic degrees of freedom to participate in the construction of physical hadrons, which are color singlets, in an analogous manner…

High Energy Physics - Phenomenology · Physics 2020-02-17 Nora Brambilla , Wai Kin Lai , Jorge Segovia , Jaume Tarrús Castellà , Antonio Vairo

Light-front holographic QCD provides a successful first approximation to hadron spectroscopy in the chiral limit of $(3+1)$-dim light-front QCD, where a holographic Schr\"odinger-like equation, with an emerging confining scale, $\kappa$,…

High Energy Physics - Phenomenology · Physics 2021-10-20 Mohammad Ahmady , Satvir Kaur , Sugee Lee MacKay , Chandan Mondal , Ruben Sandapen

Quantum Chromodynamics (QCD) is the fundamental theory describing quark interactions, and various quark models based on QCD have been widely used to study the properties of hadrons, including their structures and mass spectra. However,…

High Energy Physics - Phenomenology · Physics 2026-01-13 ZhiGuang Tan , YouNeng Guo , ShengJie Wang , Hua Zheng

Models of hadron structure are associated with a hadronic scale which allows by perturbative evolution to calculate observables in the deep inelastic region. The resolution of Dyson-Schwinger equations leads to the freezing of the QCD…

High Energy Physics - Phenomenology · Physics 2011-04-05 A. Courtoy , S. Scopetta , V. Vento

The relations between the hidden symmetries of the six-dimensional pseudo-Euclidean space with signature (+++ -- ) and the conserved quantum characteristics of elementary particles is established. The hidden symmetries are brought out by…

General Physics · Physics 2021-04-27 Nikolay Popov

The first evidence for Quantum Chromodynamics (QCD), the theory of the strong interactions, came from the systematics of baryon and meson spectroscopy. An important early observation was the apparent absence of exotics, baryons requiring…

High Energy Physics - Phenomenology · Physics 2011-06-09 R. L. Jaffe

A large separation of scales is frequently required by theories describing physics beyond the Standard Model. In mass-split models with some massless (light) and some heavy flavors, large scale separation arises by construction if the…

High Energy Physics - Phenomenology · Physics 2017-10-11 Anna Hasenfratz , Claudio Rebbi , Oliver Witzel
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