The method of induced activity was used to study photonuclear reactions on a natural mixture of erbium isotopes. The experiment was performed on a bremsstrahlung of an RM55 electron accelerator at an electron energy of 55 MeV. The study examined the possibility of producing carrier-free $^{166}Ho$ isotope in photonuclear reactions on a natural mixture of erbium isotopes. Experimental data on...
Patient exposure from Computed Tomography (CT) was simulated using Monte Carlo method. The model of rotating source was implemented previously.
Conversion coefficients from measured dose indexes to doses in organs and tissues of patient were determined. Each coefficient is a quotient of calculated organ dose divided by a weighted calculated computed tomography dose index ($CTDI_w$)....
Laser - plasma generation of ultra-short intense neutron pulse
$^1$Andreev А.А., $^2$Komarov V.А, $^3$Platonov К.Yu.
$^1$Saint-Petersburg State University, 199034 UniversitetskayaEmb. 7-9, St. Petersburg, Russia
$^2$FGUP scientific research institute of Complex Tests of Optiko-electronic Devices 188540, Leningrad region, Sosnovy Bor
$^3$Peter the Great St. Petersburg Polytechnic...
Monitoring the accumulated dose in the population from natural terrestrial radionuclides and timely assessment of the maximum dose to prevent potential risks of radiogenic oncological diseases is an important and one of the priority tasks. The main source of the accumulated dose by the population is the natural terrestrial radionuclides that enter the body through human life, and this problem...
The problem statement and a mathematical model of the interaction of a cryogenic and then a plasma target with powerful jets (plasma and laser beams) are presented taking into account the external and spontaneous magnetic field. The authors developed a numerical technique and a method for calculating the characteristics of a target and the parameters of compressing beams and jets in a strong...
Both radiation therapy and chemotherapy are efficient methods of cancer treatment [1]. Efficiency of the hadron therapy is based on the phenomenon of the Bragg peak. Parameters of the Bragg peak such as its distance from the entrance pointe and maximum magnitude depend on kind of particles in the therapeutic beam and it energy, physical properties of target medium and its chemical composition...
Photonuclear technologies for the production of 18F, 99Mo, 149Pm, 153Sm and 175Yb with high specific activity were developed at the linear electron accelerator NSC KIPT. The method of recoil nuclei using oxides of nanoparticles of these elements to obtain isotopes of the lanthanide group and 99Mo was applied. Nanoparticles of CaF2 were used for obtaining 18F.
The proposed photonuclear...
Ammonium salts are at the basis for the synthesis of a number of substances, which are used in different medical applications. Ammonium media has no adverse effects on the body. It is chemically and biologically sufficiently stable. These salts often used as a buffer for binding the radionuclide to a chelator, which in turn promotes the binding of the radionuclide to the active part (peptide,...
The isotope of 186Re is widely used (glass-based TheraSphere, Nordion, Canada and resin-based SIR-Spheres, Australia) for transarterial radioembolism in hepatocellular carcinoma (second in the world in total mortality).
The average -radiation energy of 186Re 1.07 MeV is one of the highest among the radionuclides used in palliative therapy.
The powder of rhenium activated by bremsstrahlung...
There are 4 known types of interaction in nature, but nowadays the existence of a new force mediated by new unknown bosons is widely discussed in the literature [1], [2]. This work deals with the application of a neutron scattering technique for the search for a new short-range interaction and for setting constraints on the coupling constant of such interaction.
The main idea is to perform an...
