IN6 monochromator

[Markus Poehlmann]

Dear Kristian Nielsen,

Thank you very much for your recent e-mail, but we think there is no
other way than to write an entirely new component. The problem is that
in our case we cannot calculate with weight factors because in a
bifurcation problem a neutron is either scattered or propagated
unscattered. But in the semiclassical approach like in McStas the
propagation probability is expressed by a weight factor.
So what we would need is a M o n t e C a r l o choice between scattering
and unscattered propagation. Could you please tell us how it would be
possible to introduce something like this in our new monochromator
component. Is there any C code or component available  that tackles that
problem? What e.g. does randnorm() exactly do?
Thank you for your help


Markus Poehlmann

P.S.: May be you could discuss that that directly with Helmut Schober on
the phone (+33 4 76 20 73 96)
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