PPT Slide
Series of 18 Roman Pots forms 9 independent
momentum spectrometers allowing measurement
of proton momentum and angle.
1 Dipole Spectrometer ( p ) x > xmin
8 Quadrupole Spectrometers (p or p, up or down,
left or right) t > tmin
Q4
D
S
Q3
S
A1
A2
P1UP
p
Z(m)
D1
Detector
Bellows
Roman
Pot
FPD Layout
23
33
59
33
23
0
57
P2OUT
Q2
P1DN
P2IN
D2
Q4
Q3
Q2
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