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McStas: ESS_Testbeamline_HZB_V20 Instrument at ESS

[ 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

  • Site: ESS
  • Author: Ala'a Al-Falahat
  • Origin: HZB
  • Date: March 17, 2017
  • Version: TBL

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> / Fri Oct 11 07:30:14 2019


Last Modified: Friday, 11-Oct-2019 09:30:14 CEST
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