|
|
Line 1: |
Line 1: |
− | == Hall A High Resolution Spectrometers General Characteristics ==
| + | #REDIRECT [[High Resolution Spectrometers]] |
− | | + | |
− | 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 ...
| + | |