[mcstas-users] Fwd: Question please

Mahmoud Yaseen Suaifan mahma7 at gmail.com
Wed Mar 14 06:16:03 CET 2018

Sorry i'm just forwarding the below email as a gentle reminder and since my
first email (to mcstas-support) was not sent due to (delivery failure
Please, i'm in highly need for answers and assistance.

Thanks in advance
Best regards,

---------- Forwarded message ---------
From: Mahmoud Yaseen Suaifan <mahma7 at gmail.com>
Date: Thu, Mar 8, 2018, 13:53
Subject: Question please
To: <mcstas-support at mcstas.org>, <farhi at ill.fr>

Hello Madam/Sir,

Hope this email finds you well.

Actually, i'm a Jordanian graduate student in South Korea trying to make a
conceptual design for a neutron imaging facility using McStas simulations.
So i got some questions please like the one attached in the photo regarding
the source component. Please your help & explanations are highly
The numbers in the photo are exact. Neck dimensions ( assume 10 cm × 10
cm). How can i decide where is target & focus & dist. I understand ray
trace. I understand solid angle & divergance. I understand Flux,
intensities units. I got lost because i couldn't find explanation for
results. ( Attached also part of simple McStas script (source & detector
only) please check it.

Best regards,
Mahmoud Suaifan
March 8, 2018
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