A High Statistics Measurement of the Lambdac+ Lifetime
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✦ hep-ex
keywords
lambdachighlifetimemeasurementstatisticsanalysisattentionaverage
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A high statistics measurement of the Lambdac+ lifetime from the Fermilab fixed-target FOCUS photoproduction experiment is presented. We describe the analysis technique with particular attention to the determination of the systematic uncertainty. The measured value of 204.6 +/- 3.4 (stat.) +/- 2.5 (syst.) fs from 8034 +/- 122 Lambdac -> pKpi decays represents a significant improvement over the present world average.
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