[fluka-discuss]: stopping power for muon

From: Shirley Li <shirleyli.phys_at_gmail.com>
Date: Mon, 27 Jul 2015 11:20:25 -0400

Dear FLUKA users,

I'm simulating a muon beam (300 GeV) interacting with a cylindrical water
target. I'm using the DELTARAY card with 'print' and reading off the
stopping powers from the .out file.

My question is: does the second column, the unrestricted stopping power,
include radiative energy losses, such as bremsstrahlung, and pair
production?

At 300 GeV, the FLUKA output is:
   E_kin dE/dx eta shell corr. restr.dE/dx
   (GeV) (GeV/cm) (GeV/cm)
3.097E+02 2.843E-03 2.932E+03 2.393E-10 1.718E-03.

But, the pdg table shows an ionization loss of 2.92E-3, and radiative loss
of 0.79E-3 at this muon energy. So the total energy loss should be
3.71E-3. (
http://pdg.lbl.gov/2008/AtomicNuclearProperties/MUON_ELOSS_TABLES/muonloss_276.pdf
)

Thank you very much!
Shirley


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Received on Mon Jul 27 2015 - 18:38:38 CEST

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