Simulation Project powder: The guide system

DMC is placed at the cold source. For the cold source and surroundings you can use same parameters as for the SANS instrument in the SANS-2 simulation project. The opening for the DMC beam port is 0.120 m high and 0.020 m wide.

The DMC guide system begins at the DMC beam port. The guide is 40 m long and curved to avoid line-of-sight to the source. You can assume the guide to be straight and with constant measures 0.120 m high and 0.020 m wide.

Simulate the neutron beam profile (using a PSD), its intensity, energy distribution, and divergence at the exit of the guide.