Multiwire proportional chambers (MWPCs) and adjustable-field drift chambers (AFDCs) have been constructed for the Omicron spectrometer sited at the CERN Synchro-cyclotron. The MWPCs are of 1 mm pitch and have a useful area of 1282 mm2. The useful area of the AFDCs varies from 390×338 mm2 to 650×850 mm2 and the cell length from 26 to 50 mm. A resolution of (150±30)ωm has been obtained in a magnetic field of about 1 T. The characteristics and the tests of these chambers will be described.
Multiwire And Drift Chambers For The Omicron Spectrometer
CHIAVASSA, Emilio Luciano;GALLIO, Mauro;BRESSANI, Tullio;
1978-01-01
Abstract
Multiwire proportional chambers (MWPCs) and adjustable-field drift chambers (AFDCs) have been constructed for the Omicron spectrometer sited at the CERN Synchro-cyclotron. The MWPCs are of 1 mm pitch and have a useful area of 1282 mm2. The useful area of the AFDCs varies from 390×338 mm2 to 650×850 mm2 and the cell length from 26 to 50 mm. A resolution of (150±30)ωm has been obtained in a magnetic field of about 1 T. The characteristics and the tests of these chambers will be described.
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