نتایج جستجو برای: dd neutron generator
تعداد نتایج: 96054 فیلتر نتایج به سال:
The most common explosives can be uniquely identified by measuring the elemental H/N ratio with a precision better than 10%. Monte Carlo simulations were used to design two variants of a new prompt gamma neutron activation instrument that can achieve this precision. The instrument features an intense pulsed neutron generator with precise timing. Measuring the hydrogen peak from the target explo...
We report here on the development of neutron and photon sources for use in imaging and active interrogation applications, where there is a growing urgency for more advanced interrogation tools. These devices include high yield D-D, D-T and T-T fusion reaction based neutron generators and also low energy nuclear reaction based high-energy gamma generators. One common feature in these various dev...
The effects of $\phi$-meson on properties hyperon stars are studied systematically in the framework density dependent relativistic mean field (DDRMF) model. shifts threshold to a higher and reduces fractions neutron star cores. It also strongly stiffens equation state (EoS) calculated with various DDRMF effective interactions increases maximum mass stars, but only few survive under constraints ...
The ground state bulk properties such as binding energy, root-mean-square radius, pairing nuclear density distributions, and single-particle energies are calculated for the isotopic chain of Ca, Sn, Pb, Z = 120 nuclei. relativistic mean-field with recently developed G3, IOPB-1, Relativistic-Hartree-Bogoliubov density-dependent DD-ME1 DD-ME2 parameter sets used in present analysis. respective sh...
A hierarchical test pattern generation system that uses register-transfer level VHDL and gate-level EDIF netlist descriptions as inputs is presented in current paper. The main novelty of the hierarchical ATPG tool lies in the fact that it implements internal representation of mixed-level (register-transfer and structural levels) decision diagram models. The system includes appropriate interface...
Measurements of the response of LaBr3(Ce) to 2.5 MeV neutrons have been carried out at the Frascati Neutron Generator and at tokamak facilities with deuterium plasmas. The observed spectrum has been interpreted by means of a Monte Carlo model. It is found that the main contributor to the measured response is neutron inelastic scattering on (79)Br, (81)Br, and (139)La. An extrapolation of the co...
An EJ-299-34 plastic scintillator with silicon photomultiplier (SiPM) readout was used to measure the fast neutron output of a pulsed Thermo-Fisher A-325 Deuterium-Tritium sealed tube neutron generator (STNG). The SiPM signals were handled by a prototype digital pulse processing system, based on a free-running analogue to digital converter feeding a digital signal processor (DSP). Pulse shape d...
A Dosimetry Study of Deuterium-Deuterium Neutron Generator-based In Vivo Neutron Activation Analysis
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