Results on the impact parameter trigger for the selection of charmed particles
Nuclear Physics B-proceedings Supplements(1988)
摘要
Abstract We present the results on a new trigger scheme for the selection of short lived particles. These results were obtained in a test run of the WA82 experiment at the CERN Omega spectrometer. We have measured, for charmed particles, an enrichment factor of ∼ 15 over an interaction trigger.
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