From: Joel DeWitt (firstname.lastname@example.org)
Date: Mon Oct 29 2007 - 23:02:08 CET
BlankThank you, Paola, for your timely and on-target reply.
I've successfully scored LET and formed (sort of) a spectrum from this, but without any fragmentation. Using the card:
* score the LET spectrum (in water) of charged particles
USRYIELD 2323.0 ALL-CHAR -41.0 PE CR39 1.0Yield
USRYIELD 200.0 0.0 200.0 200.0 0.0 2803.0&
I recover the expected primary ionization peak at the correct location for a 1 GeV/n 56Fe beam. I've tried setting the second variable in the double differential to "particle charge" and played with the upper and lower limits without success. I must confess that I don't completely understand this method of obtaining an LET spectrum since our method is literally a histogram of binned LET. Curiously, when I do attempt "particle charge" as the second variable, I get empty bins. The reason for this is not immediately obvious to me.
What would be the proper way to score charged fragmentation?
Eril Research, Inc.
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