Recent content by Moho

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    Graduate Numerical integration of Bethe formula in Excel: help

    Hello, I am a PhD student in geology in need of help from a physicist! Can somebody spot the mistake in my spreadsheet? I am using an Excel spreadsheet (attached .xls) to integrate the Bethe formula in order to estimate the range (in cm) of alpha particles in quartz. I am using the version of...
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    Graduate How can I accurately plot the Bragg curve for alpha particles?

    In case anybody is still around, I have a question about the Bragg curve for alpha particles. I was able to follow Bob S's code above (albeit in Excel) and I get a good result, but I notice that energy (E, not dE/dX) never goes to 0. The alpha particle still seems to have a lot of energy (~0.18...