HMS Performance

OPTICS TUNE:	PARALLEL-PT	PT-PT
MOMENTUM: Maximum Central Momentum Momentum Bite[(Pmax^-Pmin)/P₀] Momentum Resolution delta p/p	7.5 GeV/c 18% <0.1%	7.5 GeV/c 18% <0.1%
ACCEPTANCES: Solid Angle Min. Central Scattering Angle	>6 msr 12.5^o	>6 msr 12.5^o
Angle Measurement Precision In Scattering Plane Out-of-Plane Useful Target Length Vertex Reconstruction Accuracy Nominal Target Length	0.4 mr 0.9 mr 10 cm 3.4 cm Thin	0.8 mr 0.8 mr 10 cm ~1 mm Extended
KINEMATIC FLEXIBILITY: Momentum Range Angular Range	0.5 ⇒ 7.5 GeV/c 12.5^o ⇒ ~90^o
LUMINOSITY GOAL:	L > 10³⁸cm^-2sec^-1
DETECTOR:	Two wire chambers for track position measurement. Scintillator hodoscopes for timing. Gas Cherenkov Counter for particle ID. Aerogel Counter for ID. A segmented Pb glass shower counter.