Astrophysics at n_TOF facility
The neutron time of flight (n_TOF) facility at CERN. Measurement of neutron capture cross sections in the S-process nucleosynthesis. Galactic condensation and the formation of stars. Checking models of stellar evolution. Mechanisms of neutron capture.
Подобные документы
Neutron cross sections have been measured for Lu and Tb isotopes with neutron activation method. The coincidence summing and self-absorption effects have been taken into account. Calculations of efficiency have been performed with Monte Carlo simulations.
статья, добавлен 07.10.2013A technique of measuring the output of delayed neutrons of fission in the process of learning cores, with the help of a mechanical chopper. The use of neutron flux applied for demodulation, correlated with the modulation of the thermal neutron flux.
статья, добавлен 19.09.2013Measurement of an exit of reaction of nd of disorder in experiment on the RADEKS neutron channel of Institute of nuclear researches (Moscow). Detecting of two secondary neutrons in a configuration a neutron-neutron interaction in a final condition.
статья, добавлен 02.09.2013Theoretical study of important bulk properties of nuclei far from stability. The formation of neutron skin and its evolution with an increase of the neutron number is investigated on the basis of a self-consistent deformed mean-field Hartree-Fock.
статья, добавлен 27.07.2016Analysis of carbon, which is the structure of the reactor and the factor of neutron scattering at energies up to 2 MeV. Its status in the energy range 1-60 KEV. Essay experimental data used to measure the neutron cross sections using the detector.
статья, добавлен 11.11.2013Interaction of weakly bound nuclei. The cluster structure of the neutron rich nuclei. The differential cross sections for elastic scattering of deuterons. The continuous energy distribution of protons and the peak of the structure of their spectra.
статья, добавлен 19.09.2013Properties of nuclei, heavy ion collisions and neutron stars. An estimate of the coefficient of incompressibility. Frequent mode of interaction of a particle collision. The theory for the microscopic description of the various modes of giant resonances.
статья, добавлен 06.11.2013Neutron activation analysis using the Second Egyptian Research Reactor. A sample of normal person to estimate the concentration values of Sodium, Aluminium, Potassium, Manganese, Magnesium, Bromine, Chlorine. The pneumatic irradiation rabbit system.
статья, добавлен 11.09.2013Calculation of the average neutron energy. The converter of thermal neutrons. The reactor core. Radiography and tomography tumor contour. Project progress MEDAPP. Irradiation of the cell cultures. Determination of biological efficacy of a new beam.
статья, добавлен 06.11.2013The properties of the nucleus fragments, subject to its extreme temperature and density. The way the study of processes occurring in neutron stars and nuclei, during collisions of heavy ions. Value of temperature to compensate the effect of energy.
статья, добавлен 19.09.2013Terms irradiation reactor VVER-440 in the presence and absence of cassettes screens at the periphery of the core. Distributions of functionals of the neutron flux on the inner surface and in the bulk metal reactor fuel in different variants of downloads.
статья, добавлен 09.10.2013The neutron irradiation facilities offered by the ET-RR-2 and the HPGe-detection system are used for elemental investigation of three samples of domestic fertilizers. A total of 31 elements have been identified as major and minor concentration values.
статья, добавлен 09.10.2013The studying of the accuracy and precision of internal comparator k0 and external comparator k0 methods in industrial application. Instrumental neutron activation analysis and determination of concentrations of major elements in two slag samples.
статья, добавлен 19.09.2013Semiclassical approach based on the Vlasov equation for finite systems with moving surface. Study isovector dipole excitations heated spherical nuclei with neutron excess. Collision integral in the approximation of the effective relaxation time.
статья, добавлен 18.11.2013The velocity fields been studied within a semiclassical approach based on the solution of the Vlasov kinetic equation for finite component Fermi systems with a moving surface. The neutron-proton asymmetry and dynamical surface effects the energy region.
статья, добавлен 19.09.2013The microscopic three-cluster model. Effects of cluster polarization on the capture reactions. The cross section of the reactions at the low-energy range. Correlations between astrophysical S factor of the reactions and ground state of compound nucleus.
статья, добавлен 02.09.2013Rules of International Atomic Energy Agency. Present process model of nuclear facility safety management, its processes and programme for nuclear facility safety upgrading in a context of integral safety directed to existence, development of humans.
статья, добавлен 28.02.2016Parameters alpha-nuclear interaction potential. Potential barrier formed by the Coulomb, nuclear and centrifugal forces. Selection of the experimental data on the half-lives of 344 alpha-active nuclei and capture cross sections of alpha particles.
статья, добавлен 09.10.2013A study of the incidence set the value of Skyrmeparameters. Characteristic of the radii of the valence neutrons orbits in the mode energy of multiple cores. How to limit values Skyrme parameters. Sketch of the contemporary state of nuclear matter.
статья, добавлен 07.10.2013Introduction to the method of obtaining the isotopic symmetry energy on the basis of the isotopic shift of the neutron and proton chemical potentials. Consideration of the behavior of the symmetry energy coefficient, analysis of the way the correlation.
контрольная работа, добавлен 02.09.2013The current state of the incoherent scattering equipment in the observatory of Institute of Ionosphere for the purpose of showing radar potential. To introduce techniques for the parameters of the ionosphere measurement and ionospheric data processing.
статья, добавлен 30.10.2016The system of Dirac equations describing the dynamics of quarks in hadrons metric. Assumed that the quarks interact via an external Yang-Mills field. Magnetic moments of the proton, neutron and lambda baryon. Model of the baryons in a stationary metric.
статья, добавлен 29.04.2017Testing of the computational method PFSEM to restore the characteristics of the electron beam on the basis of two-parametric fitting of semi-empirical model for the depth dependence of the dose. Dose measurement of electrons in the dosimetric wedge.
статья, добавлен 22.12.2016The study of reaction mechanisms in collisions induced by halo and/or weakly bound nuclei around the Coulomb barrier. Description of the reaction dynamics. Preventing capture incoming projectile suppression of synthesis. Activity irradiated targets.
статья, добавлен 06.11.2013Detecting the travelling ionospheric disturbances over Kharkiv with periods of 40 – 80 min occurring in the time range. The modification frequencies by high power. The relative amplitudes of the travelling ionospheric disturbances in electron density.
статья, добавлен 30.10.2016