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A 3 BeV/C SPECTROMETER WITH A SLOPED WINDOW IN THE p-/theta/-PLANE (PRELIMINARY DESIGN)

Technical Report ·
OSTI ID:4039034
Parameters, apertures, and focusing properties of a 3-Bev/c spectrometer with a sloped window in the p- theta -plane are discussed. The acceptances of the system for DELTA p/p = O in the horizontal and vertical directions are coupled and cannot be computed independently. The effect of the deflecting magnet is a constant vertical shift of all x,x'-phase points in the center of the magnet. The resolution of the magnet is therefore inversely proportional to the divergence of the beam. A total width of 30 cm is required for the counter array in order to cover the full acceptance parallelogram in the x,x' -plane. A liquid hydrogen target which is transversally wider than the well collimated primary beam is suggested so that the spectrometer itself can select the effective target volume. (M.C.G.)
Research Organization:
Deutsches Elektronen-Synchrotron, Hamburg
NSA Number:
NSA-15-015749
OSTI ID:
4039034
Report Number(s):
DESY-A2.72
Country of Publication:
Germany
Language:
English

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