Simulation configuration versioning
- Current version (must match for IRF format to validate)
- Current revision (will warn but allow IRF validation)
Over-all glast instrument parameters
- Tray size
- Number of towers in x
- Number of towers in y
- Spacing between tracker and calorimeter
- Total width to outside edge of ACD light-shield
- Total height from top of light shld to bot. of mounting bracket
Wall properties
- Gap between modules
- Wall material
- Wall thickness
- width of walls (less than mod_width)
Tracker system properties
-
Converter material thickness, in radiation lengths
Start from bottom. Note that array is expected to repeat
last value
- Si wafer size
- guard ring size
- gap between Si dies
- number of trays (1 more than number of x-y planes)
-
-
- distance between wall and panel edge (each edge)
- number of dies on a side for a tray
- number of front-end readout chips per die (determines # of si strips)
- Si thickness
- Center-to-center distance between trays
- threshold in fC: corresponds to ~ 1/4 min ion (0.0129 fC/um in Si)
- noise in fC
- separate threshold for level I trigger (in fC)
- Si strip noise occupancy: override value computed using sigma and threshold
- Plane configuration (for plane types see below). Starting from bottom. Last value repeated
- Plane configuration (for plane types see below). Starting from bottom. Last value repeated
- Width of any silicon die in the ladders (constant). Width = across strips
- Width of the guard ring in X-direction (across strips) of die
- Width of the guard ring in Y-direction (along strips) of die
- Number of ladders (dies) in the silicon planes
- Gap between the ladders
Describes silicon plane type 0
- Ladder types in silicon plane. Last value repeated
Describes silicon plane type 1
- Ladder types in silicon plane. Starting from ladder having strip 1.
Describes silicon plane type 2
- Ladder types in the silicon plane. Repeat last value
Describes silicon plane type 2 (DEBUG)
- Ladder types in the silicon plane. Repeat last value
Describes ladder with no silicon dies
- Number of silicon dies in the ladder
- Silicon die height
- Gap between the silicon dies within the ladder
Describes ladder type 1
- Number of silicon dies in the ladder
- Silicon die height
- Gap between the silicon dies within the ladder
Describes ladder type 2
- Number of silicon dies in the ladder
- Silicon die height
- Gap between the silicon dies within the ladder
Describes ladder type 3
- Number of silicon dies in the ladder
- Silicon die height
- Gap between the silicon dies within the ladder
ACD properties
Readout efficiency
- Gap between Veto tiles
- Number of A/C side tiles (per side)
- height of side tiles (cm)
- distance skirt tiles extend above cap tile surface
- Gap between Tower and Veto tiles
- Thickness of Veto Scintillators
- 700 keV = 0.35 * MIP
- (0/1) Turns (off/on) 2-Layer A/C Sides
- (0/1) Turns (off/on) 2-Layer A/C Top
- (0/1) create xNum+1 x yNum+1 tiles OR align tiles with towers
- distance to bottom of side ACD tile from absolute zero
trigger
- bits for level 1 trigger which can cause trigger
- time for calorimeter to latch discriminators
- lower exit 'tray' for a track to be veto-refected
- upper exit 'tray' for a track to be veto-rejected
- DSP Level II trigger allowance
- tower module for a cal-only trigger
- single crystal threshold for a cal-only trigger
- Number of crystals in a tower that must be above the crystal threshold
- Number of crystals for high threshold trigger
- single crystal threshold trigger
calorimeter
- KE cutoff energy for paricle propagation - keep separate for cal.
- (0.04) half the gap between xtals (wrapping), each super layer
-
- Number of layers in each super layer
- number of crystals in each super layer
-
- Inter layer spacing, per superlayer
- set to 0/1 to (follow/stop) gammas that don't convert in tracker
calorimeter frame
- 20% aluminum frame on sides
- thickness of frame around calorimeter
- thickness of frame on top
- 20% aluminum frame on top/bottom
- thickness of frame on bottom
- material for bottom frame
grid surrounding calorimeter
half-thickness between Calorimeters
thickness around external edge of Calorimeters
full width of flange
Crystal properties
- Display color
-
- minimum number of steps to take through xtal: important to distribute ionization
- width, per superlayer
- height, per superlayer
- length, per superlayer
diode properties
-
- thickness
- width
- height
Spacecraft description
- Display color
Satellite base description
- Generic spacecraft material
- Height of spacecraft
- Width of spacecraft
Solar panel description
- Solar panel material
- length
- width
- thickness of solar panel
- thickness of panel support core
- panel support material
- connecting rod length
- connecting rod radius
Thermal blanket description
- Display color
- generic blanket material
- gap between blanket and GLAST
- Thickness of blanket