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Browsing Theme 1 :Physique Nucléaire et Applications, Physique Théorique by Issue Date

Browsing Theme 1 :Physique Nucléaire et Applications, Physique Théorique by Issue Date

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  • 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 ...
  • The study of cosmic rays in the high-energy and the possibility monitored with telescope JEM EUSO 
    Attouia, T.; Kalli, S. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    Ever since the discovery of cosmic rays by Victor Hess [Hes12] in 1912 great efforts have been undertaken to understand the origin of cosmic rays up to the highest energies of 1021eV. A common detection method utilizes the ...
  • The numerical study of the origin of the ultra high energy cosmic rays with CRPropa. 
    Bouchachi, D.; Attallah, R. (Université Frères Mentouri - Constantine 1, 2016-12-14)
    The origin of ultra-high-energy cosmic rays is one of the most enigmatic questions in modern physics. The study of a such high-energy particles is a new and active research area where scientists wish to find the still-unknown ...
  • Relativistic K shell decay rates and fluorescence yield for Fe 
    Kahoula, B.; Kasric, Y.; Sahnounea; Deghfele; Khalfallaha; Sampaiogand (Université Frères Mentouri - Constantine 1, 2016-12-14)
    In this work, we derive the K-shell fluorescence yield using a Dirac-Fock model. To compute, radiationless and radiative transition rates we have used the MCDF code of Desclaux and Indelicato [1-3]. The wave functions were ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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.
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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.
  • Dose Evaluation in adaptive radiotherapy in head and neck cancers 
    Chibane, B. I.; Benrachi, F.; Bali, M.S. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Recent developments in radiotherapy techniques, particularly VMAT technique is a tool of choice in the treatment of tumors with complex shapes such as head and neck cancers. Patients with head and neck cancer are prone ...
  • Inflationary models and applications 
    Djeha, K.; Si Lakhal, B. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    Study the cosmic microwave background: polarization and anisotropy.The inflationary model has been proposed to address the shortcomings of the standard model of cosmology. This cosmological model offers both a solution to ...
  • Path Integral Solution of a Singular Oscillator Potential 
    Bekhouche, S.; Bentag, B. (Université Frères Mentouri - Constantine 1, 2016-12-15)
    By path integral formulation and delta functional technics we calculated the propagator of singular oscillator. We have foundthe discrete spectrum and the corresponding wave functions.
  • New calculation of L1 subshell yields fluorescence of heavy elements 
    Sahnounea, Y.; Kahoula, A.; Kasrid, Y.; Deghfele, B.; Medjadic (Université Frères Mentouri - Constantine 1, 2016-12-15)
    The analytical methods based on X-ray fluorescence have a great importance for a number of practical applications in a variety of fields including atomic physics, X-ray fluorescence surface chemical analysis, medical ...
  • 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 ...

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