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27.210  Articles
1 of 2.721 pages  |  10  records  |  more records»
The research about the characterization of neutron energy spectrum as the effect of thickness variation of beryllium (Be) target on HM-30 cyclotron using Monte Carlo N-Particle eXtended (MCNP-X) has been conducted. This research aims to know the character... see more

The proposed work demonstrates the results of creating and investigating the mathematical model of the source of fast neutrons. Computer modeling of the energy spectrum of fast neutrons was carried out for 239PuBe neutron source. The model of the source o... see more

The calculation of fission reaction rate and capture reaction with and without filters have been done using the REACT of SRAC. The calculation of fission rate on fuel 1 and 2 were 5,39 x 10-2 reaction/cm3s with filter and 6,35 x 10-2 reaction/cm3s without... see more

The energy and pulse height spectrums after passage of neutron radiation through samples of materialsmost often used to protect against neutron radiation (paraffin, paraffin with boric acid, paraffin with boric acid and lead, polyethylene, polyethylene wi... see more

A convective model describing the nature and structure of the roton is proposed. According to the model, the roton is a cylindrical convective cell with free horizontal boundaries. On the basis of the model, the characteristic geometric dimensions of the ... see more

The energy and pulse height spectrum of PuBe and 238PuBe neutron sources are measured without taking into account scattered radiation, taking into account this radiation (without the shadow cone) and own scattered radiation from these sources (with a shad... see more

BackgroundOne of the most significant Intensity Modulated Radiation Therapy treatment benefits is a high target to normal tissue dose ratio. To improve this advantage, an additional accessory such as a compensator is used to delivering doses. Compensator-... see more

We review the current status of the development of sources of epithermal neutrons sources based on reactors and accelerators for boron neutron capture therapy (BNCT), a promising method of malignant tumor treatment. The scheme is proposed of the source pr... see more

The prototype of Bonner sphere neutron spectrometer of activation type has been created. It is composed of 5-polyethylene spheres with a diameter from 9.0 to 24.5 cm. Indium as activated material inside these spheres is used. We tested the neutron spectro... see more

1 of 2.721 pages  |  10  records  |  more records»