Dear George,
in principle to have coalescence activated is always preferable, since it
is a mechanism that accounts for something that is observed in reality,
i.e. the high energy tail of light particle (deuteron/A=3/alphas) spectra.
Now, its impact on photoneutrons may not be major (without coalescence
they would tend to be overestimated, on the other hand, in the 2011
version, coalescence is not followed by A=2,3 reinteraction, this way
leading to a - smaller - underestimation).
Ciao
Francesco
**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854
On Tue, 16 Dec 2014, George Kharashvili wrote:
> Dear FLUKA experts,
>
> Should coalescence mechanism be activated using PHYSICS card if one is interested in photoneutron yields, but NOT interested in calculating residual activities?
>
> It is clear that for activation calculations both EVAPORATion and COALESCEnce are needed.
>
> Thanks you
>
> --
> George Kharashvili
> Jefferson Lab Radiation Control
> 757-269-6435
>
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Received on Sun Dec 21 2014 - 19:07:38 CET