Volume 18 No 3 (2020)
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Study the Influence of Temperature and Density of (DT) Plasma on Stopping Power in the ICF by Using (BPS) Model
Enas A. Jawad
The computation rate of energy deposition of alpha particles as they go through the plasma is a remarkable case in the experiments of inertial confinement fusion (ICF) implosion. There are many models of energy deposition or stopping power with different physics background. In this research we investigate the effect of temperature, density, and alpha particle energy for deuterium-tritium (DT) plasma due to Brown-Preston-Singleton (BPS) model. First the evaluation of Coulomb logarithm for various electron density and temperature is worked and graphically shown. The results are in good agreement with other referred researchers. Then the ion, electronic, and total stopping power dependence on energy of alpha particles is studied and graphically explained for different electron temperature, and electron density. While the electronic stopping power is increased exponentially as alpha particle energy increases, the ion stopping power decreased exponentially, and therefore the total stopping power results from the two effects. However, one can distinguish two regions where the two effects appear in the total stopping power due to alpha energy; the ion stopping power is governed at lower alpha energy and the electronic at higher energy.
Brown-Preston-Singleton (BPS) Model, Stopping Power, Deuterium-tritium (DT) Plasma, Quantum Effects.
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