This plot shows the coverage of the Muon Arms, between 10° and 35°,
for event vertex positions between -10 and +10 cm.
The area shaded in magenta shows the portion of the acceptance where tracks
will traverse 4 silicon endcaps. Above an below are red hatched bands
showing where tracks see just three endcaps, and the dotted line higher up
shows where just one endcap is traversed. Above the dotted line no endcaps
are hit at all.
The blue lines and shadings show where barrel silicon is hit. Tracks above
the blue line labeled [1] go through the first barrel pixel layer. Above
the blue line labeled [2], both pixel layers are hit, and in light blue
1 and 2 strip strip layers are traversed.
The black shaded area is whre particles see only the barrel pixel layers
and no barrel strip or endcap silicon.
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