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The pionium decay width is evaluated in the framework of chiral perturbation theory and the relativistic bound state formalism of constraint theory. Corrections of order O(Î±) are calculated withâ€¦ (More)

Using connection with quantum field theory, the infinitesimal covariant abelian gauge transformation laws of relativistic two-particle constraint theory wave functions and potentials are establishedâ€¦ (More)

The energy and the decay width of the Ï€K atom are evaluated in the framework of the quasipotential-constraint theory approach. The main electromagnetic and isospin symmetry breaking corrections toâ€¦ (More)

- Hassen Jallouli
- 1995

The relativistic fermion-antifermion bound state vector potential of constraint theory is calculated, in perturbation theory, by means of the Lippmannâˆ’Schwinger type equation that relates it to theâ€¦ (More)

- Hassen Jallouli, M Hadj Slimen, +4 authors Mohamed Mhiri
- Progres en urologie : journal de l'Associationâ€¦
- 2008

PURPOSE
To assess the effect of varicocelectomy in sperm quality and natural pregnancy and to determine if it can change couple candidacy for assisted reproductive technology (ART) procedures.
â€¦ (More)

The relativistic two-body potentials of constraint theory for systems composed of two spin-0 or two spin2 particles are calculated, in perturbation theory, by means of the Lippmannâˆ’Schwinger typeâ€¦ (More)

The behavior of the two-particle Green's function in QED is analyzed in the limit when one of the particles becomes infinitely massive. It is found that the dependences of the Green's function on theâ€¦ (More)

- Salma Gargouri, L Fki Berrajah, +4 authors HÃ©la Karray-Hakim
- Medecine et sante tropicales
- 2016

to describe the epidemiological and clinical characteristics of HAV infection during three successive outbreaks occurring between 2007 and 2010 in the governorate of Sfax. epidemiological andâ€¦ (More)

- Riadh Mbarek, Amor Brahim, Hassen Jallouli, Adel Trabelsi
- 2013

This paper presents a numerical investigation of a photoneutron source, based on a 10 MeV electron linac. Itâ€™s done by means of the FLUKA simulation code. For that purpose, we will use a CIRCE IIIâ€¦ (More)

Using a Dirac-matrix substitution rule, applied to the electric charge, the anomalous magnetic moments of fermions are incorporated in local form in the two-body relativistic wave equations ofâ€¦ (More)

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