[neutron-mc] problem(?) with component monochromator_flat...

[Ulrich C. Wildgruber MPI fuer Metallforschung Stuttgart]

Hi everybody!

I'd like to draw your attention to an instrument file (attached) were
we don't understand what happens for certain input parameter sets:

parameter set 1: TTM   = 80.0
		 PHM   = 40.0
		 E     = 4.131meV (4.45A)
		 DWERT = 3.461(A)

parameter set 2: TTM   = 84.0
		 PHM   = 42.0
		 E     = 4.131meV
		 DWERT = 3.325

If I did Bragg's equation right we should see a reflection in both
cases. However the intensity is 0 for parameter set "2".
What are we doing wrong?

Any advice is appreciated!

Thanks

Ulrich


-- 
Ulrich WILDGRUBER
wildgrub at dxray.mpi-stuttgart.mpg.de
wwwmf.mpi-stuttgart.mpg.de/abteilungen/dosch/dosch.html
-----------------------------------------------------------------------------
Max-Planck-Institut für Metallforschung	| Technische Universität München
Heisenbergstr. 3		        | ZWE Neue Forschungs-Neutronenquelle
					| Instrumentierung
D-70569 Stuttgart			| D-85747 Garching/München
Tel.: (+49)-711-689-1900		| Tel.: (+49)-89-289-14681
Fax.: (+49)-711-689-1902		| Fax.: (+49)-89-289-14666
-------------- next part --------------
An embedded and charset-unspecified text was scrubbed...
Name: monotest.instr
URL: <http://mailman2.mcstas.org/pipermail/mcstas-users/attachments/20040528/a4433783/attachment.ksh>