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Re: elastic neutron scattering in Geant3 [message #10013 is a reply to message #10012] Thu, 21 January 2010 22:20 Go to previous message
Mohammad Al-Turany is currently offline  Mohammad Al-Turany
Messages: 515
Registered: April 2004
Location: GSI, Germany
first-grade participant
From: *dip.t-dialin.net
Hi,

How can you get very large energy losses and at the same time you wrote:

but when I look at only events where DESTEP is > 0 I only get protons out


So maybe something is wrong in the way you register your hits!

When using GCALOR the energy cut-off for neutrons CUTNEU has to be set to a reasonable value (you can go down to 10E-14 GeV), GEANT will complain but you can ignore the warning. Also the time cut-off has to be set to a value, which allows to track the very slow energetic neutrons till they are captured or fall below the energy cut-off.

What kind of detector you are simulating? and Why with native FORTRAN?

Mohammad
 
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