Optical Design and Performance of the SASP Spectormeter at TRIUMF
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Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
Abstract
A new Q?Q-Clamshell magnetic spectrometer called SASP has been commissioned in the proton hall at TRIUMF. The principal optical characteristics are: a solid angle acceptance of 13.5 msr, a momentum bite of 25%, a momentum resolution of ?p/p=2?10?4, and a maximum central momentum of 720 MeV/c. We describe the optical design, the magnetostatic design, the magnetic field mapping procedure, and the performance of this instrument.