Abstract

Abstract The KARMEN (KArlsruhe Rutherford intermediate Energy Neutrino) experiment identifies and analyses nuclear reactions induced by ISIS beam-dump neutrinos in a segmented liquid scintillation detector. A pulsed laser beam, distributed and transformed through a network of light guides and scintillation light splitters, is used to monitor calorimetric and timing properties of the 512 central detector segments. This report describes the setup and applications of the laser calibration monitor at KARMEN. Data obtained with the laser system concern energy- and position resolutions, the linearity and offset of energy measurements, the correction of timing signals for energy-dependent walk effects, and the determination of absolute event times.

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