[ Identification | Description | Input parameters | Output parameters | Links ]

The ESS_Testbeamline_HZB_V20 Instrument

Modified: 2018 by Jochen Fenske, Robin Woracek, Peter Willendrup. McStas model of the ESS testbeamline V20 at HZB in Berlin

Identification

Description

McStas model of the ESS testbeamline V20 at HZB in Berlin. Please note that not
all geometrical sizes, distances and parameters have been fully validated.

Example: ESS_Testbeamline_HZB_V20 Lmin=1 Frequency=14

Input parameters

Parameters in boldface are required; the others are optional.
Name Unit Description Default
lambda_min AA Minimum wavelength emitted by the source 1
lambda_max AA Maximum wavelength emitted by the source 15
frequency Hz Frequency of the choppers 14
Choppers_WFM1_in 1 Flag to indicate if WFM1 is active 1
Choppers_WFM2_in 1 Flag to indicate if WFM2 is active 1
Choppers_FOC1_in 1 Flag to indicate if FOC1 is active 1
Choppers_FOC2_in 1 Flag to indicate if FOC2 is active 1
s1_x m slit 1 width 0.05
s1_y m slit 1 height 0.1
s2_x m slit 1 width 0.02
s2_y m slit 1 height 0.04
s3_x m slit 1 width 0.0138
s3_y m slit 1 height 0.033
Offset_deg_SC1 deg Phase source chopper phase disk 1 0
Offset_deg_SC2 deg Phase source chopper phase disk 2 0
Offset_deg_BC1 deg Phase bandwidth chopper phase disk 1 -25
Offset_deg_BC2 deg Phase bandwidth chopper phase disk 2 57
Offset_deg_WFM1 deg Phase wavelength frame maltiplication chopper disk 1 47.1
Offset_deg_WFM2 deg Phase wavelength frame maltiplication chopper disk 2 76.76
Offset_deg_FOC1 deg Phase frame overlap chopper disk 1 62.4
Offset_deg_FOC2 deg Phase frame overlap chopper disk 2 12.27
Z m Distance between to Wavelength frame multiplication chopper disks 0.1 - 0.5 0.28
sp m sample position 50.6
npulses 1 Number of pulses to simulate 1
emulate_reactor_emmision 1 Flag to emulate all emission times from the reactor 0

Links


[ Identification | Description | Input parameters | Output parameters | Links ]

Generated automatically by McDoc, Peter Willendrup <peter.willendrup@risoe.dk> / Tue May 26 13:03:59 2020