AW: [fluka-discuss]: Conversion GeV/cm3/ primary

From: Ophoven, Niklas <>
Date: Tue, 14 Sep 2021 08:40:33 +0000


if you want to score energy deposition in FLUKA with the USRBIN scoring, the output is always expressed in GeV per cm3 per unit primary weight. You simulate protons, with known energy and beam current. You can calculate a number of protons/s hitting your target from the current (1 C=1 As, 1 proton carries 1.602 x 10^-19 C, hence 1 mA equals ~ 6.242E+15 protons/s), and if you multiply the energy deposition per primary with that number you get an estimate for the energy deposition/s in your heavy target. In principle you could get the energy deposition in GeV/cm3 for any time span just by multiplying with your proton flux and the time in seconds.

I hope that this is of help to you.

Kind regards,


Von: <> im Auftrag von 성균관대학교MUSTAFA <>
Gesendet: Dienstag, 14. September 2021 03:58:34
Betreff: [fluka-discuss]: Conversion GeV/cm3/ primary

Dear Fluka expert,

USRbin Energy deposition output unit is per unit primary weight. How can I convert it to GeV/cm3 . Which parameter do I need? I am using a proton beam and it hits the heavy target and produces a neutron. I want to calculate the energy deposition on the target.

1GeV proton beam energy and 10ma beam current.

Thank you in advance

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Received on Tue Sep 14 2021 - 12:41:54 CEST

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