-
Article
Electron states of manganese luminescence centres in A1N
The energy spectrum of manganese luminescence centres in AlN was studied by means of excitation and emission spectra. Two regions of excitation were found: in the first region (from 40 000 to 31 000 cm−1) excitat...
-
Article
Luminescent properties of A1N activated by europium
The concentration and temperature dependence of emission and excitation spectra was measured on powder A1N∶Eu phosphors. It was shown that A1N: Eu has two luminescent modifications which depend on the activato...
-
Article
Luminescent properties of Eu2+ ions in AlN at low and high intensity of excitation
Luminescent properties of powder AlN∶Eu2+ phosphors were studied by excitation of 2-nd harmonic of ruby laser (hv=3·56 eV). It was shown that emission spectra of AlN∶Eu2+ phosphors consist of five or two overlapp...
-
Chapter
Luminescence of Some Impurity Magnetic Ions in A1N
The luminescence properties of A1N: Mn and A1N: Eu2+ have been investigated under laser and non-laser excitation. The excitation spectra of powders of A1N: Mn consist of a broad band and several narrow bands in t...
-
Article
The influence of GABA on discharges of cortical epileptogenic focus
GABA, when applied locally, acted similarly on both primary and mirror cortical focus: the negative component of the spike discharge was suppressed or inverted in polarity, whereas the late slow negative wave ...
-
Chapter
Temperature Behavior of the Blue Fluorescence of Zns:Tm3+ Crystals
The temperature behavior of the fluorescence spectra of Tm3+ impurity ions in cubic ZnS crystals in the blue range was studied either under selective, high-density excitation by nitrogen and dye laser beams or un...
-
Article
Nondynamical calculation of polarization observables in d + d reactions at low energies
The parametrization of cross-section, analysing power and spin-correlation observables in terms of (l, s, J) matrix elements is given for reactions2H(d, p)3H and2H(d, n)3He at low energies. It is shown that a nea...
-
Chapter
Luminescence and Energy Transfer in YAlG:Nd,Ce
Selective laser excitation was used by J. Mares for studying the visible and near IR luminescence of YAlG:Nd, Ce. The Nd3+ luminescent at 1.02 μ can be excited by pum** selectively either into the Nd3+ absorpti...
-
Article
Energy transfer in YAlG:Nd codoped with Ce
Laser excited luminescence has been used to study an energy transfer between Ce3+ and Nd3+ ions in YAlG:Nd,Ce laser crystal with varying small Ce concentrations. Radiative Ce3+→Nd3+ energy transfer dominates in t...
-
Article
On the separable expansion method in an optical potential scattering
Potential separable expansion method (PSE) in harmonic oscillator basis is applied to the two-body scattering problem with a complex optical potential. The introduction of smoothing Lanczosσ-factors considerably ...
-
Article
OnΛ-hyperon(s) in the nuclear medium
Relativistic mean field theory is tested in reproducing the novel experimentalΛ single particle (π+, K+) spectra of Λ=12/90 hypernuclei (and extended to Λ 209 P...
-
Article
Vacuum fluctuations in spherical nuclei
The effect of the vacuum fluctuation corrections to the ground state properties of spherical nuclei is studied. The model used combines the relativistic Hartree approximation forA valence nucleons and the local d...
-
Chapter and Conference Paper
Hyperon(S) in the Relativistic Mean Field Theory
The relativistic mean field theory (RMFT) is applied to Λ- and multi-Λ hypernuclei. The experimental data are well reproduced in a wide range of Λ-couplings. Calculated hypernuclear magnetic moments exhibit si...
-
Article
Electroproduction of strangeness
Formalism for the electroproduction of strange particles based on the one photon exchange approximation and the Feynman diagrams representation of hadron current is reviewed. Different photoproduction models a...
-
Article
Preface
-
Article
Multi-strange systems in relativistic mean fields
Characteristics of multi-Λ hypernuclei are investigated within the relativistic mean-field theory. Both linear and nonlinear models and a variety of Λ couplings fitted to ordinary Λ hypernuclei have been investig...
-
Article
Comparison of mRNA contents of interleukin-1Β and nitric oxide synthase in pancreatic islets isolated from female and male nonobese diabetic mice
Interleukin-1Β (IL-1Β) has been suggested to mediate beta-cell destruction in insulin-dependent diabetes mellitus (IDDM) by inducing nitric oxide production. In this study, we assessed the levels of IL-1Β and the...
-
Chapter and Conference Paper
Strange Baryonic Systems
Strange baryonic systems are investigated by using the relativistic mean field (RMF) approach. Present discussion ranges from ordinary hypernuclei to multiply strange objects. Application to the shell model as...
-
Article
Angular Anisotropy of the 3H(d, α) n Reaction at Deuteron Energies Below 200 keV
The angular distributions of particles emitted from the reaction were measured at 7.5 intervals from 6...
-
Chapter and Conference Paper
Dimensional Reduction Applied to Specific Problems of Consolidation
This paper explores various aspects of consolidation of clay type soils. Formulation is provided for two specific problems. First, the isotropic consolidation with reference to the CAM clay model is investigat...
