Question #284672

Estimate the time required for a 5 MeV alpha particle to slow down


and stop in silicon. Repeat for the same particle in hydrogen gas?

1
Expert's answer
2022-01-05T04:21:36-0500

In this problem, we can use the equation from the textbook:


TSi=1.2Rm/E107, TSi=1.2(22106)4/5107=2.4 ns. TSi=1.2Rm/E107, TSi=1.2(0.1)4/5107=11 ns. T_\text{Si}=\dfrac{1.2R\sqrt{m/E}}{10^7},\\\space\\ T_\text{Si}=\dfrac{1.2(22·10^{-6})\sqrt{4/5}}{10^7}=2.4\text{ ns}.\\\space\\ T_\text{Si}=\dfrac{1.2R\sqrt{m/E}}{10^7},\\\space\\ T_\text{Si}=\dfrac{1.2(0.1)\sqrt{4/5}}{10^7}=11\text{ ns}.\\\space\\


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