HRS

Hall A High Resolution Spectrometers General Characteristics

Momentum Range 0.3 - 4.0 GeV/c Configuration QQDQ Bend Angle 45o Optical Length 23.4 m Momentum Acceptance +/- 4.5% Dispersion (D) 12.4 cm/% Radial Linear Magnification (M) 2.5 D/M 5 Momentum Resolution (FWHM) 1 x 10-4 Angular Acceptance: (click for details)

Horizontal Vertical +/- 28 mr +/- 60 mr Solid Angle:

(rectangular approximation) (elliptical approximation) 6.7 msr 5.3 msr Angular Resolution: (FWHM)

Horizontal Vertical 0.6 mr 2.0 mr Transverse Length Acceptance Transverse Position Resolution (FWHM) +/- 5 cm 1.5 mm Spectrometer Angle Determination Accuracy 0.1 mr

TO BE CONTINUED ...