###
### The beamline vacuum components
###
### GUESS: vacuum windows are 0.5mm Al, flat.
### GUESS: 0.5mm Al flat isolation windows at each end of DecaySolenoid.
### NOTE: vacuum3 and vacuum4 intersect B1; this is OK as all are Vacuum.
tubs vacuumWindow outerRadius=120 length=0.5 material=Al color=.6,.6,.6

# invisible shield to kill junk from the target
tubs TargetShield innerRadius=103 outerRadius=4000 length=1 kill=1 \
	color=invisible

tubs vacuum1 outerRadius=100 length=2303-2 material=$USAirOrVacuum
tubs pipe1 innerRadius=100 outerRadius=103 length=2303-2 material=Al \
	color=.6,.6,.6 kill=1

tubs vacuum2 outerRadius=100 length=486-2 material=$USAirOrVacuum
tubs pipe2 innerRadius=100 outerRadius=103 length=486-2 material=Al \
	color=.6,.6,.6  kill=1

box vacuum3 width=300 height=200 length=1643 material=$USAirOrVacuum \
	color=.6,.6,.6

box vacuum4 width=300 height=200 length=1745.2 material=$USAirOrVacuum \
	color=.6,.6,.6

# temporary Al foil to keep vacuum chambers clean when filled with Air
tubs Foil outerRadius=100 length=0.05 material=Al

## place Foil parent=vacuum1 z=2323/2-100
## place Foil parent=vacuum2 z=-486/2+100
## place Foil parent=vacuum2 z=486/2-100
## place Foil parent=vacuum3 z=-1643/2+100
## place Foil parent=vacuum3 z=1643/2-600