[Gate-users] unexpected energy distribution
luca.pesce at live.it
Thu Nov 24 19:17:25 CET 2011
Dear Gate Users,
I'm simply trying to take the electron energy spectrum from a decay in a box of water, considering the above electromagnetic effects:
compton, photo electric, gamma conversion, electron ionization, bremsstrahlung, positron annihilation and multiple scattering.
To ensure that my final analysis is realistic, I try to test a monochromatic electrons source obtaining the obvious expected result.
Sure of this, I have changed the source with the unstable isotope 89-Sr, and I have obtained a strange result in the spectrum: there is a high peak in the low energy instead the electron energy spectrum of the beta decay.
I don't understand why in the case of the non monochromatic source this fact happens.
Any idea of why?
Pisa University Student.
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