From: Reddell, Brandon D (brandon.d.reddell@boeing.com)
Date: Mon May 22 2006 - 15:20:56 CEST
Dear FLUKA Users,
Below, I have the following syntax in my .inp file to get LET using
USRYIELD.
USRYIELD -123.0 201.0 -51.0 3.0 4.0 1.0
LET
USRYIELD 1000.0 0.0 100.0 50.0 0.0 1403.0 &
If one uses the rdyld program from the manual to read the binary output
file, the data is presented as follows:
Yield n. 1 "LET " , generalised particle n. 201, from region n.
3 to region n. 4
user normalisation: 1.00000000E+00, adopted cross section (if
any): 1.00000000E+00 mb
logar. energy binning from 1.0000E-03 to 1.0000E+03 GeV, 100
bins (ratio : 1.1482E+00)
One angular bin from 0.0000E+00 to 5.0000E+01 rad , ( 5.0000E+01
sr wide )
Differential Integral
Yield Yield
Lower energy Upper energy sr**-1 GeV**-1 number of particles
1.0000E-03 1.1482E-03 0.0000000E+00 0.0000000E+00
1.1482E-03 1.3183E-03 0.0000000E+00 0.0000000E+00
1.3183E-03 1.5136E-03 0.0000000E+00 0.0000000E+00
1.5136E-03 1.7378E-03 0.0000000E+00 0.0000000E+00
.
.
.
I thought by using code -123 I am getting d2N/d(LET)/dE. Are the first
two columns energy or LET, is the 3rd column the flux of particles in
that energy range or LET range? If energy range where is the LET
information contained?
To sum it all up: can someone tell me exactly how to read LET from this
output file (and clarify the units)?
Thanks,
Brandon
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