Jassem Ajaka

Recherche publiée dans le livre du Centre International des Sciences de l’Homme (CISH) - ISBN: 978-9953-9028-8-3. Introduction et Problématique Le…

Terahertz (THz) plasma oscillation in n+nn+ InGaAs vertical diodes is studied by using a numerical approach based on the hydrodynamic (HD) equations.…

An analysis of generated Terahertz (THz) current oscillations taking place in one dimensional n+nn+ InGaAs diodes due to an optical photoexcitation…

We use a hydrodynamic model self-consistently coupled to a 1D Poisson solver to simulate the excitation by optical beating as well as by electrical…

Financial markets in Lebanon are constrained by government influence, Islamic financial principles, and some barriers to foreign participation.…

This article tackles the interest rates’ convergence issue within 27 European countries. In this context, a series of data related to the interest…

The analysis of the γp→ηπ0p reaction has been performed using data from the GRAAL experiment. The total and differential cross sections and the beam…

J. Ajaka et al., 2008, Simultaneous photoproduction of eta and pi0 mesons on the proton, Phys. Rev. Lett. 100 (2008) 052003, DOI:…

Abstract The photoproduction of double on the neutron is studied in the beam energy range of 0.6 up to 1.5 GeV, using a liquid deuterium target.…

The photoproduction of the ω meson has been studied at GRAAL from threshold up to a photon energy of 1.5 GeV. The differential cross sections and beam…

Since 1996 the GRAAL experiment is running at the ESRF, using a linearly polarized photon beam produced by backscattering a laser beam on the electron…

Since 1996 the GRAAL experiment is running at the ESRF, using a linearly polarized photon beam produced by backscattering a laser beam on the electron…

Precise measurement of Sigma beam asymmetry for positive pion photoproduction on the proton from 550-MeV to 1100-MeV, J. Ajaka et al., 2000,…

Ajaka, J., et al. “Beam Asymmetry Measurements at GRAAL.” Acta Physica Hungarica A 11.3-4 (2000): 3-4

  Author links open overlay panelJ. Ajaka, et al., 1999, Beam asymmetry Sigma in meson photoproduction at GRAAL, Published in Nuclear…

The GRAAL tagged and polarized γ beam has been operating with a maximum energy of 1100 MeV. For the first time asymmetry results in ν photoproduction…

Beam Polarisation Asymmetries in Meson Photoproduction at Graal J. Ajaka, et al., 1999, Beam polarization asymmetries in meson photoproduction at…

J. Ajaka et al., 1998, New measurement of Sigma beam asymmetry for eta meson photoproduction on the proton, Published in Phys. Rev. Lett. 81 (1998)…

The photoproduction of η meson on hydrogen has been measured from threshold to 1100 MeV in GRAAL experiment performed in 1996-1997 at the ESRF in…

The general nodal structure approach is applied to the recent γp⃗→ηp T-asymmetry data from ELSA. The reaction mechanism is found to require, in…

The GRAAL facility produces a highly polarized gamma-ray beam by Compton scattering of laser photons on the electrons of the European Synchrotron…

We present new break-up and coherent data for η meson photoproduction on the deuteron, using a deuterium target and tagged bremsstrahlung photons up…

All sixteen observables for the reaction gamma + p --> eta + p have been investigated from threshold up to 1.2 GeV. The formalism is based on an…