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Study of the stopping power of protons in some organic compounds

A master’s thesis was researched in the  Faculty of Education for Girls at the University of Kufa (a study of the stopping power of protons in some organic compounds).
The thesis submitted by the student (Hala Riyad Nishan) from the Department of Physics aimed at a theoretical study to calculate the electronic stopping power of heavy charged particles (protons) using the (Beth, Bohr and Ziegler) equation, which was programmed using the MATLAB program and calculating the electronic stopping power of the proton shells as a function of energy in organic compounds.
The study concluded that Ziegler’s equation is suitable for calculating the electronic stopping power of protons in the studied elements and organic compounds within the energy range (0.01-1000) MeV.
And the Beth and Bohr equation is suitable for calculating the electronic stopping power of protons, in elements and organic compounds within the energy range (0.04-1000) MeV and is inversely proportional to the rate of ionization potential <I> for elements and organic compounds.

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