Search Results - "Sazdjian, H."

Gauge invariant bound state equations for quark-antiquark systems in QCD by Sazdjian, H.

“…Using gauge invariant quark Green's functions, defined with path-ordered gluon field phase factors along polygonal lines, and functional relations among them,…”
Get full text

Hybrid nature of the abnormal solutions of the Bethe–Salpeter equation in the Wick–Cutkosky model by Carbonell, J., Karmanov, V. A., Sazdjian, H.

“…In the Wick–Cutkosky model, where two scalar massive constituents interact by means of the exchange of a scalar massless particle, the Bethe–Salpeter equation…”
Get full text

QCD and strongly coupled gauge theories: challenges and perspectives by Brambilla, N., Eidelman, S., Foka, P., Gardner, S., Kronfeld, A. S., Alford, M. G., Alkofer, R., Butenschoen, M., Cohen, T. D., Erdmenger, J., Fabbietti, L., Faber, M., Goity, J. L., Ketzer, B., Lin, H. W., Llanes-Estrada, F. J., Meyer, H. B., Pakhlov, P., Pallante, E., Polikarpov, M. I., Sazdjian, H., Schmitt, A., Snow, W. M., Vairo, A., Vogt, R., Vuorinen, A., Wittig, H., Arnold, P., Christakoglou, P., Di Nezza, P., Fodor, Z., Garcia i Tormo, X., Höllwieser, R., Janik, M. A., Kalweit, A., Keane, D., Kiritsis, E., Mischke, A., Mizuk, R., Odyniec, G., Papadodimas, K., Pich, A., Pittau, R., Qiu, J.-W., Ricciardi, G., Salgado, C. A., Schwenzer, K., Stefanis, N. G., von Hippel, G. M., Zakharov, V. I.

“…We highlight the progress, current status, and open challenges of QCD-driven physics, in theory and in experiment. We discuss how the strong interaction is…”
Get full text

Introduction to chiral symmetry in QCD by Sazdjian, H.

“…The main aspects of chiral symmetry in QCD are presented. The necessity of its spontaneous breakdown is explained. Some low-energy theorems are reviewed. The…”
Get full text

Gauge-invariant approach to quark dynamics by Sazdjian, H.

“…The main aspects of a gauge-invariant approach to the description of quark dynamics in the nonperturbative regime of quantum chromodynamics （QC, D） are first…”
Get full text

Bound states of purely relativistic nature by Karmanov, V.A., Carbonell, J., Sazdjian, H.

“…Two particles interacting by photon exchange, form the bound states predicted by the non-relativistic Schrödinger equation with the Coulomb potential (Balmer…”
Get full text

Structure of the Gauge Invariant Quark Green’s Function in QCD2 by Sazdjian, H.

“…We study, in two-dimensional QCD and in the large- N c limit, the properties of the gauge invariant quark Green’s function, defined with a path-ordered phase…”
Get full text

The pionium lifetime in generalized chiral perturbation theory by Sazdjian, H.

“…Pionium lifetime corrections to the nonrelativistic formula are calculated in the framework of the quasipotential–constraint theory approach. The calculation…”
Get full text

Bound state equation in the Wilson loop approach with minimal surfaces by Jugeau, F., Sazdjian, H.

“…The large-distance dynamics in quarkonium systems is investigated, in the large- N c limit, through the saturation of Wilson loop averages by minimal surfaces…”
Get full text

Energy and decay width of the πK atom by Jallouli, H., Sazdjian, H.

“…The energy and the decay width of the πK atom are evaluated in the framework of the quasipotential-constraint theory approach. The main electromagnetic and…”
Get full text

Relativistic effects in the pionium lifetime by Jallouli, H., Sazdjian, H.

Get full text

On the role of dynamical quark mass generation in chiral symmetry breaking in QCD by Sazdjian, H.

“…The phenomenon of dynamical quark mass generation is studied in QCD within the framework of a gauge invariant formalism. An exact relationship is established…”
Get full text

Spectral properties of the gauge invariant quark Green’s function in two-dimensional QCD by Sazdjian, H.

Get full text

Integral equation for gauge invariant quark two-point Green’s function in QCD by Sazdjian, H.

Get full text

The Relativistic Two-Body Potentials of Constraint Theory from Summation of Feynman Diagrams by Jallouli, H, Sazdjian, H

“…The relativistic two-body potentials of constraint theory for systems composed of two spin-0 or two spin-12 particles are calculated, in perturbation theory,…”
Get full text

Gauge invariant quark Green’s functions with polygonal Wilson lines by Sazdjian, H.

“…Properties of gauge invariant two-point quark Green’s functions, defined with polygonal Wilson lines, are studied. The Green’s functions can be classified…”
Get full text

The two-fermion vector potential of constraint theory from Feynman diagrams by Jallouli, H., Sazdjian, H.

“…The relativistic fermion-antifermion bound state vector potential of constraint theory is calculated, in perturbation theory, by means of the…”
Get full text

Effective continuum threshold for vacuum-to-bound-state correlators by Lucha, Wolfgang, Melikhov, Dmitri, Sazdjian, Hagop, Simula, Silvano

Get full text

Pionium lifetime and $\pi\pi$ scattering lengths in generalized chiral perturbation theory by Sazdjian, H.

Get full text

Separable interactions in classical relativistic Hamiltonian mechanics by Sazdjian, H.

Get full text