Analytical Study of the Specific energy loss and radiation length X0 of Positron for Chromium
Abstract
We report in this research work the values of Specific energy losses which are the same as radiative SRad and collisional SColl stopping power ,total stopping power STotal in additional to the radiation length X0 of positron's ?+ for Chromium by employing Bethe-Bloch relativistic formula which are performed by writing all the related equations by MathCad2012with using the ionization potential I value for Chromium in the energy range of 0.1MeV-10MeV ,the results showing a that the collisional stopping power dominate more than radiative stopping power in the values of total stopping power which are in good agreement with Estar program results especially at the energies greater than 1.5MeV with respect to SColl .
Keywords: positrons Bethe-Bloch ,stopping power, radiative ,collision, mean excitation energy.
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ISSN (Paper)2224-3186 ISSN (Online)2225-0921
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