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Browsing Makale Koleksiyonu by Author "Usta, Betül"

Browsing Makale Koleksiyonu by Author "Usta, Betül"

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  • Electric dipole transitions for 3d(6)4s-3d(6)4p in Mn I 
    Eser, Selda; Özdemir, Leyla; Usta, Betül (PERGAMON-ELSEVIER SCIENCE LTD, 2015)
    We have calculated the logarithmic weighted oscillator strengths and transition probabilities (or rates) for 3d(6)4s-3d(6)4p electric dipole transitions in neutral manganese (Mn I, Z=25) by using two configuration interaction ...
  • Electric dipole transitions for highly excited states in helium-like sulphur 
    Özdemir, Leyla; Ürer, Güldem; Usta, Betül (PERGAMON-ELSEVIER SCIENCE LTD, 2008)
    We have calculated relativistic energies, weighted oscillator strengths and transition probabilities for electric dipole (El) transitions among the terms belonging to 1snl (n <= 9, l <= 3) configurations in helium-like ...
  • Electric dipole transitions for LaI (Z=57) 
    Usta, Betül; Özdemir, Leyla (PERGAMON-ELSEVIER SCIENCE LTD, 2008)
    Wavelengths, weighted oscillator strengths and transition probabilities for electric dipole (El) transitions for some excited levels in neutral lanthanum (La I, Z = 57) have been calculated using the multiconfiguration ...
  • Electric Dipole Transitions for Lu I (Z=71) 
    Usta, Betül; Özdemir, Leyla (SPRINGER HEIDELBERG, 2011)
    The aim of this study was to obtain a description of the neutral lutetium spectrum. We calculated the radiative parameters (wavelengths, weighted oscillator strengths and transition probabilities) for electric dipole (E1) ...
  • Electric Dipole Transitions for Neutral Ytterbium (Z=70) 
    Usta, Betül; Özdemir, Leyla (KOREAN PHYSICAL SOC, 2011)
    We have calculated the electric dipole transition parameters (wavelengths, weighted oscillator strengths, and transition probabilities) for some excited levels in neutral ytterbium (Yb I, Z = 70) by using two configuration ...
  • Electric dipole transitions for some excited states in neutral silver 
    Özdemir, Leyla; Usta, Betül; Ürer, Güldem (INDIAN ASSOC CULTIVATION SCIENCE, 2007)
    For some excited levels, transition energies, wavelengths, oscillator strengths and transition probabilities calculations in neutral silver (Ag I) have been calculated within the framework multiconfiguration Hartree-Fock ...
  • Energies and Land, factors for some excited levels in Lu I (Z=71) 
    Usta, Betül; Özdemir, Leyla (DE GRUYTER POLAND SP ZOO, 2011)
    We have calculated relativistic energies and Land, factors for 5d6s (2), 5d (2)6s, 6s6p (2), 6s (2)7s, 5d (3), 5d6s7s, 6s (2)6p, 5d6s6p, 5d (2)6p and 6s (2)7p excited levels outside the core [Xe]4f (14) in neutral lutetium ...
  • Energies and lifetimes for some excited levels in LaI 
    Usta, Betül; Özdemir, Leyla (POLISH ACAD SCIENCES INST PHYSICS, 2008)
    We calculated relativistic energies and Lande factors for 5d6s(2) 5d(2)6s, 5d(3), 5d6s7s, 4f6s6p, 5d6s6p, 5d(2)6p, and 4f5d6s levels in neutral lanthanum (Z = 57). We also obtained electric dipole transition energies and ...
  • Energies, Land, g-factors, and lifetimes for some excited levels of doubly ionized lanthanum 
    Usta, Betül; Özdemir, Leyla (VERSITA, 2012)
    Using the relativistic Hartree-Fock (HFR) method developed by Cowan, we calculated the energy levels, Land, g-factors, and lifetimes for nd (n = 5-25), ns (n = 6-24), ng (n = 5-25), nf (n = 4-22), and np (n = 6-25) excited ...
  • Energies, Lande Factors, and Lifetimes for Some Excited Levels of Neutral Ytterbium (Z=70) 
    Usta, Betül; Özdemir, Leyla (POLISH ACAD SCIENCES INST PHYSICS, 2011)
    We have calculated relativistic energies, Lande factors, and lifetimes for some excited levels outside the core [Xe] in neutral ytterbium (Yb I, Z = 70) using two configuration interaction methods (multiconfiguration ...
  • M1 and E2 transitions in the ground-state configuration of atomic manganese 
    Eser, Selda; Usta, Betül; Özdemir, Leyla (INDIAN ACAD SCIENCES, 2015)
    Using the multiconfiguration Hartree-Fock approximation within the framework of the Breit-Pauli Hamiltonian (MCHF+BP) and the relativistic Hartree-Fock (HFR) approximation, we have calculated the forbidden transition (M1 ...
  • The Hyperfine Structure Calculations of Some Excited Levels for La-139 I 
    Usta, Betül; Özdemir, Leyla (POLISH ACAD SCIENCES INST PHYSICS, 2009)
    We calculated hyperfine structure constants of the 5d6s(2), 5d(2)6s, 5d(3), 5d(2)7s, 5d6s7s, 5d6p(2), 4f(2)5d, 4f6s6p, 5d6s6p, 5d(2)6p, 4f5d6s and 4f5d(2) levels for La-139 I (Z = 57). The calculations are based upon the ...
  • The level structure of atomic lutetium (Z=71): a relativistic Hartree-Fock calculation 
    Usta, Betül; Özdemir, Leyla (INDIAN ASSOC CULTIVATION SCIENCE, 2011)
    We have calculated relativistic energies, Land, factors and lifetimes for 5d6s (2), 5d (2)6s, 6s (2) ns (n = 7-14), 6s (2) nd (n = 6-25), 6s (2) ng (n = 5-7), 6s (2) np (n = 6-25), 5d6s6p and 6s (2) nf (n = 5-23) excited ...
  • Transition Energies of Lutetium 
    Usta, Betül; Özdemir, Leyla (PHYSICAL SOC REPUBLIC CHINA, 2012)
    Transition energies of neutral lutetium (Lu I, Z = 71) belonging to the lanthanide series, including the ionization potential, excitation energies, and electron affinity, are calculated by the multiconfiguration Hartree-Fock ...
  • Transition energies of neutral and singly ionized lanthanum 
    Usta, Betül; Özdemir, Leyla (INDIAN ASSOC CULTIVATION SCIENCE, 2010)
    We have calculated the transition energies (ionization potential, excitation energies, electron affinity) of neutral lanthanum (La I) and singly ionized lanthanum (La II). The calculations are based upon the multiconfiguration ...
  • Transition Energies of Ytterbium (Z=70) 
    Usta, Betül; Özdemir, Leyla (VERLAG Z NATURFORSCH, 2011)
    Transition energies of neutral ytterbium (Yb I, Z = 70, belonging to the lanthanide series), including ionization potential, excitation energies, and electron affinity are calculated by the multiconfiguration Hartree-Fock ...
  • Transition Parameters for Doubly Ionized Lutetium 
    Usta, Betül; Özdemir, Leyla (POLISH ACAD SCIENCES INST PHYSICS, 2013)
    Using the relativistic Hartree-Fock method developed by Cowan, we calculated the electric dipole (E1) transition parameters such as the wavelengths, the weighted oscillator strengths, and the transition probabilities (or ...