Results 21 to 30 of about 71,129 (328)

Stellar laboratories. V. The Xe VI ultraviolet spectrum and the xenon abundance in the hot DO-type white dwarf RE0503-289 [PDF]

, 2015
For the spectral analysis of spectra of hot stars with a high resolution and high signal-to-noise ratio (S/N), advanced non-local thermodynamic equilibrium (NLTE) model atmospheres are mandatory.
Gallardo, M., Hoyer, D., Quinet, P., Raineri, M., Rauch, T.   +4 more
core   +1 more source

Stellar laboratories. IX. New Se V, Sr IV - VII, Te VI, and I VI oscillator strengths and the Se, Sr, Te, and I abundances in the hot white dwarfs G191-B2B and RE 0503-289 [PDF]

, 2017
To analyze spectra of hot stars, advanced non-local thermodynamic equilibrium (NLTE) model-atmosphere techniques are mandatory. Reliable atomic data is for the calculation of such model atmospheres.
Demleitner, M., Hoyer, D., Knoerzer, M., Kruk, J. W., Quinet, P., Rauch, T., Werner, K.   +6 more
core   +1 more source

Structure Calculations in Nd III and U III Relevant for Kilonovae Modelling

Atoms, 2022
The detection of gravitational waves and electromagnetic signals from the neutron star merger GW170817 has provided evidence that these astrophysical events are sites where the r-process nucleosynthesis operates.
Ricardo F. Silva, Jorge M. Sampaio, Pedro Amaro, Andreas Flörs, Gabriel Martínez-Pinedo, José P. Marques   +5 more
doaj   +1 more source

Electron energy spectrum and oscillator strengths of quantum transitions in double quantum ring nanostructure driven by electric field

Condensed Matter Physics, 2018
The effect of homogeneous electric field on the energy spectrum, wave functions of electron and oscillator strengths of intra-band quantum transitions in a double cylindrical quantum ring (GaAs/Al_{x}Ga_{1-x}As) is studied within the approximations of ...
O.M. Makhanets, V.I. Gutsul, A.I. Kuchak
doaj   +1 more source

Oscillator Strengths for B-X, C-X, and E-X Transitions in Carbon Monoxide [PDF]

, 2001
Band oscillator strengths for electronic transitions in CO were obtained at the Synchrotron Radiation Center of the University of Wisconsin-Madison.
Chornay D. J., David C. Knauth, Dotchin L. W., Eidelsberg M., Eidelsberg M., Eidelsberg M., Hart D. J., Hesser J. E., K. Fulk, K. M. Menningen, M. Fritts, S. Cheng, S. R. Federman, Smith P. L., Tilford S. G., Warin S.   +15 more
core   +2 more sources

Oscillator strengths for Be I

Atomic Data and Nuclear Data Tables, 2012
Abstract The electric dipole oscillator strengths for lines between some singlet and triplet levels have been calculated using the weakest bound electron potential model theory and the quantum defect orbital theory for Be I. In the calculations both multiplet and fine structure transitions are studied.
Ateş, Şule, Özarslan, Selma, Çelik, Gültekin, Taşer, Mehmet   +3 more
openaire   +1 more source

Supramolecular assemblies of pyridyl porphyrin and diazadithia phthalocyanine [PDF]

Journal of the Serbian Chemical Society, 1999
In this paper we report for the first time on amixed complex between the cationic porphyrin 5, 10, 15, 20-tetra-N-methyl-pyrydinium-p-il porphyrin (TMPyP) and a new metal phthalocyanine with four 16-membered diazadithia macrocycles (denoted here
Ion Rodica-Mariana, Yilmaz Ismail, Bekaroglu Ozer   +2 more
doaj   +3 more sources

Multi-Configuration Dirac–Hartree–Fock (MCDHF) Calculations for B-Like Ions

Atoms, 2016
Relativistic configuration interaction results are presented for several B-like ions (Ge XXVIII, Rb XXXIII, Sr XXXIV, Ru XL, Sn XLVI, and Ba LII) using the multi-configuration Dirac–Hartree–Fock (MCDHF) method.
Indu Khatri, Arun Goyal, Avnindra Kumar Singh, Man Mohan   +3 more
doaj   +1 more source

Comment on "Multiconfiguration Dirac-Fock energy levels and radiative rates for Br-like tungsten" by S. Aggarwal, A.K.S. Jha, and M. Mohan [Can . J. Phys. 91 (2013) 394]

, 2013
We report calculations of energy levels and oscillator strengths for transitions in W XL, undertaken with the general-purpose relativistic atomic structure package ({\sc grasp}) and flexible atomic code ({\sc fac}).
Aggarwal, K. M., Keenan, F. P.
core   +1 more source

Statistics of Oscillator Strengths in Chaotic Systems

, 1995
The statistical description of oscillator strengths for systems like hydrogen in a magnetic field is developed by using the supermatrix nonlinear $\sigma$-model. The correlator of oscillator strengths is found to have a universal parametric and frequency
A. V Andreev, B. L Altshuler, Berry M, Bogomol'nyi E B, Delande D, Goldberg J, Goldberg J, Gutzwiller M C, Kleppner K, Mehta M L, Nobuhiko Taniguchi, Wilkinson M, Wunner G   +12 more
core   +1 more source