FGAS        !   Forward Silicon Tracker Geometry
*
*  disk properties
    12      !  # of sectors                      1
    5.877   !  min sensitive radius              2
   11.966   !  max                               3
    0.028   !  Si thickness                      4
   -1.277   !  phi min (deg) incl overlap        5
   23.777   !      max                           6
    0.91    !  v-u offset                        7
   -0.18    !  stagger of uneven to even sector  8
    640     !  # of strips                       9
    16      !  pitch subdivision                10
* u detectors
    0.0075  !  pitch                            11
   -4.62    !  offset of first strip            12
      5     !  # of u disks                     13
* z position of even u sector, -z side
   35.14    !  u disk 1                         14
   38.44    !  u disk 2                         15
   42.14    !  u disk 3                         16
   46.14    !  u disk 4                         17
   50.44    !  u disk 5                         18
* r detectors
    0.0096  !  pitch                            19
      2     !  # of r disks                     20
* z position of even r sector, -z side
   40.085   !  r disk 1                         21
   45.435   !  r disk 2                         22