Alpha Spectroscopy Low Energy Error

terryphi

Hello,

I've taken a spectrum of a U238 sample, and I keep getting this hill of low energy values. Any ideas as to what could be causing them?

Sorry about the weird screenshot; it's the only one I had and my friend couldn't see the dots, so i had to go over them in paint.

Astronuc

What is the scale of the abscissa?

I would suggest comparing it to a standard alpha spectrum of U-238.

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terryphi	Alpha Spectroscopy Low Energy Error Tweet Hello, I've taken a spectrum of a U238 sample, and I keep getting this hill of low energy values. Any ideas as to what could be causing them? Sorry about the weird screenshot; it's the only one I had and my friend couldn't see the dots, so i had to go over them in paint. Attached Thumbnails

Astronuc Admin	What is the scale of the abscissa? I would suggest comparing it to a standard alpha spectrum of U-238.