Difference between revisions of "Specification for pair spectrometer hodoscopes"
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Revision as of 18:44, 16 February 2008
The fist paragraphs describe the pair spectrometer hodoscope in Hall B (Primex spectrometer). Electrons and positrons produced in a thin converter foil and deflected in the 1.5Tm dipole magnet are momentum analyzed using a symmetric set of 16 scintillators on each side. The scintillators are positioned in two layers of 8 counters each allowing for front-back coincidences.
