Aluminum Converter

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Calculating the temperature of a 1/2 mil Aluminum converter with energy deposited from a 44 MeV electron beam.

Calculating number of particles per second

We have electron beam of:

Frequency: f=300Hz

Peak current: I=50Amps

Pulse width: t=50ps=51011seconds

By Q=It, we have Ne=fIt

Where N is the number of electrons that hit the target per second, e is electron charge and f, I and t are given above.

N=fIte=(300Hz)(50A)(51011ps)1.61019C=4.68751012

So, we have around 4.68751012 electrons per second or 15.625109 electrons per pulse.

Calculating the stopping power due to collision of one 44 MeV electron in Aluminum

From NIST ([1] see link here) the stopping power for one electron with energy of 44 MeV in Aluminum is 1.78MeVcm2/g.

1mil=11000inch2.54cminch=0.00254cm



Assume a beam spot diameter on the converter surface of 5mm, or an area of A=19.62mm2.






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