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[ Identification | Description | Input parameters | Links ]
The ESS_Testbeamline_HZB_V20 Instrument
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
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.
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
- Source code for
ESS_Testbeamline_HZB_V20.instr. - V20 page at the HZB website
- V20 info section at the ESS website
[ Identification | Description | Input parameters | Links ]
Generated on 2023-09-19 20:01:36
