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Browsing Communications orales by Title

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  • Analysis of dosimetric characteristics of flattening filter free photon beams and comparison with regular beams 
    Kourteli, C.; Benrachi, F. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Basic dosimetric properties of 6 MV and 10 MV photon beams from a linear accelerator operating without the flattening filter have been analyzed. These include dose rate data, depth dose dependencies, lateral profiles and ...
  • Diphoton Higgs Decay in compact 341 Model. 
    Djouala, M.; Haffar, B. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Diphoton Higgs Decay is studied in the context of the compact 341 Model and in the light of the recent resonances discovered at the LHC. Some new predictions are also discussed.
  • Evaluation of different parameters influencing the radiotherapy treatment plans (VMAT-RapidArc) 
    Saadi, A.; Benrachi, F.; Bali (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Volumetric modulated arc therapy (VMAT)is a modern technique of high accuracy radiotherapy that allows the irradiation of tumor volume using a complete arc instead of fixed beams and protects the healthy tissues in the ...
  • Evaluation of radioactivity levels in sediment samples collected from Beni Haroun dam using high resolution gamma-ray spectrometry 
    Bouhila, G.; Azbouche; Belamri, M. (Universté Frères Mentouri - Constantine 1, 2016-12-14)
    The majority of exposure to radiation comes from natural sources. Therefore, the knowledge of radionuclide distribution and radiation levels in the environment is important. The purpose of the study is twofold: first to ...
  • Evaluation of radioactivity levels in sediment samples collected from Beni Haroun dam using high resolution gamma-ray spectrometry 
    Bouhila, G.; Azbouche; Belamri, M. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    The majority of exposure to radiation comes from natural sources. Therefore, the knowledge of radionuclide distribution and radiation levels in the environment is important. The purpose of the study is twofold: first to ...
  • Generalization of a Störmer problem for dust grain with the effect of a quadrupolar magnetic term 
    Leghmouche, A.; Mebarki, N. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    In this work, we will investigate the generalized Störmer problem for a charged dust grain near a rotating spherical magnetic planet with the effect of a quadrupolar magnetic term with a simultaneous influence of electromagnetic ...
  • Iintroduction to(𝑹) gravity and applications 
    Mansour, H.; Si Lakhal, B. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Recent cosmological data show that the universe is expanding at an accelerating rate. This contradicts the results of general relativity, at least for a Universe composed only of matter. To attack this problem, two general ...
  • Iron K Reverberation in Seyfert galaxy NGC 5506 
    Kalli, S.; Zoghbi (Université Frères Mentouri - Constantine 1, 2016-12-14)
    NGC 5506 is a Seyfert galaxy whose AGN how strong X-ray variability and its spectrum shows both narrow and broad components of the Iron K alpha line, making it a an excellent target for X-ray reverberation. Using a new ...
  • Lewis-Riesenfeld Approach to the Solution of the Dirac Equation in Time-Dependent Non-Commutative Phase Space 
    Haouam, I.; Chetouani, L. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    In this paper we investigated the solution of the Dirac equation in the time dependent non commutative phase-space using the Lewis–Riesenfeld invariant method. Wherein the Dirac time dependent hamiltonian obtained from a ...
  • Nonlocal separable potential in the one-dimensional DKP equation 
    Hafdallah, A.; Chetouani, L. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    In this work, we solve the DKP equation (1+1) dimension for non-local potential of the form of Lorentz scalar plus vector (𝛽𝑔+ℎ)(𝑥)𝑣(𝑥′). The energy spectrum is found and discussed for this equation.
  • Observational constraints on the parameters of Dark matter model 
    Chebabhi, B. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    In this work, we will begin by introducing the various clues that lead to the hypothesis of dark matter. Then we will present several proposals that have been made to try to answer the question "what is made of this dark ...
  • Path integral for a time dependent harmonic oscillator 
    Berrabah, B.; Bentag, B. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    We present a space-time transformation to the harmonic oscillator with a time-dependent mass and frequency and we transform the problem to that of constant mass and time-dependent potential of the form𝛺2(𝑡)𝑥2. The ...
  • Path Integral Solution of Non-Central Potential 
    Bentag, B.; Bekhouche, S. (2016-12-15)
    In this paper, we calculate the propagator of a system of particle moving in a class of non-central potential. This study is done in the framework of path integrals. It has been possible to treat this potential in spherical ...
  • Projection data generation in neutron tomography by means of Monaco/Mavric code 
    Benaskeura, N.; Kharfib, F.; Hachoufa, M.; Benkharfiaa, H.; Khalfallaha, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    In the present study, SCALE6.1 package is used for the analysis of experimental neutron transmission data and for the determination of neutron attenuation characteristics of various neutron absorbing materials. The neutron ...
  • PT symmetry in non commutative geometry 
    Leghrib, I.; Mebarki, N.; Moulla, H. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    A PT symmetric and pseudo hermitien hamiltonien is constructed in the context of the seubery. Written non commutatitive space-time and some physical application are presented.
  • Quality control and performance evaluation of k0-based neutron activation analysis laboratory using SRM-NIST 
    Hamidatou, L.; Slamene, H.; Zouranen, B.; Messaoudi, M.; Djebli, K.; Begaa, S. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Quality evaluation of the k0-standardized neutron activation analysis (k0-NAA) at Es-Salam research reactor has been implemented by analyzing SRM-NIST, the standard reference material of National Institute of Standards and ...
  • Rotating Charged Cosmic Strings from Seiberg-Witten Non Commutative Geometry 
    Menacera, L.; Aissaouia, H. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    En utilisant la géométrie non commutative de l’espace-temps de Seiberg-Witten, pour la gravitation de jauge d’une corde cosmique charge en rotation on a déterminé explicitement en fonction du paramètre de la non commutativité ...
  • Solution of the Klein-Gordon oscillator in cosmic string space-time for scalar potentials 
    Messai, N.; Boumali, A. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    We study in this work the exact solutions of two-dimensional relativistic particuls of spin-0 in the cosmic string background under the effects of scalar potentials as modification in the momentum operator 𝑝𝜇→𝑝𝜇−𝑒𝐴𝜇 ...
  • The Muon Anomalous Magnetic Moment in the Minimal 341 Model 
    Drouche, M. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    An extension of the gauge group SU(3)c⊗ SU(2)L⊗U(1)Y of the standard model to the symmetry group SU(4)L⊗U(1)X (3-4-1 for short) is presented. With the minimal scalar sector. The mass matrix of neutral gauge bosons is exactly ...
  • Three-body forces and shell structure in tin isotopes 
    Khiter, M. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    This work is devoted to the study of the nuclear structure around the doubly magic 132Sn nucleus in the frame of the shell model. We are interested in studying and understanding the role of the three body effects on the ...

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