Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Geant4 modeling of the bremsstrahlung converter optimal thickness for
  studying the radiation damage processes in organic dyes solutions   This work is dedicated to computer modeling of the parameters of a tungsten
converter for studying the processes of radiation damage during the interaction
of ionizing radiation with solutions of organic dyes. Simulation was carried
out in order to determine the optimal thickness of the converter under
predetermined experimental conditions. Experimental conditions include:
energies and type of primary particles, radiation intensity, target dimensions,
relative position of the radiation source and target. Experimental studies of
the processes of radiation damage occurring in solutions of organic dyes are
planned to be carried out using the linear electron. The tungsten converter is
used to generate a flux of bremsstrahlung gamma rays. One modeling problem is
determination of the converter thickness at which the flux of bremsstrahlung
gamma will be maximal in front of the target. At the same time, the flow of
electrons and positrons in front of the target should be as low as possible.
Another important task of the work is to identify the possibility of
determining the relative amount of radiation damage in the target material by
the Geant4 modeling method. Computational experiments were carried out for
various values of the converter thickness - from 0 mm (converter is absent) to
8 mm with a step of 1 mm. The developed program operates in a multithreaded
mode. The G4EmStandardPhysics_option3 model of the PhysicsList was used in the
calculations. A detailed analysis of the obtained data has been performed. As a
result of the data analysis, the optimal value of the tungsten converter
thickness was obtained.

27
The categories of this paper are: comp-gas
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
15
The categories of this paper are: nucl-ex
33
The categories of this paper are: plasm-ph
1
The categories of this paper are: cs
24
The categories of this paper are: dg-ga
10
The categories of this paper are: q-bio
6
The categories of this paper are: astro-ph
23
The categories of this paper are: solv-int
2
The categories of this paper are: math
18
The categories of this paper are: econ
0
The categories of this paper are: hep-ph
16
The categories of this paper are: stat
7
The categories of this paper are: hep-th
26
The categories of this paper are: bayes-an