Hardware performance of a scanning system for high speed analysis of nuclear emulsions

Abstract

The use of nuclear emulsions in very large physics experiments is now possible thanks to the recent improvements in the industrial production of emulsions and to the development of fast automated microscopes. In this paper the hardware performances of the European Scanning System (ESS) are described. The ESS is a very fast automatic system developed for the mass scanning of the emulsions of the OPERA experiment, which requires microscopes with scanning speeds of about 20 cm^2/h in an emulsion volume of 44 micron thickness.

16 pages, 12 figures, Accepted by Nucl. Instrum. Meth. A

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• Track reconstruction in the emulsion-lead target of the OPERA experiment using the ESS microscope
• The detection of neutrino interactions in the emulsion/lead target of the OPERA experiment
• Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays
• Fast automated scanning of OPERA emulsion films
• Electron/pion separation with an Emulsion Cloud Chamber by using a Neural Network
• A novel automatic film changer for high-speed analysis of nuclear emulsions
• Reconstruction of 400 GeV/c proton interactions with the SHiP-charm project
• OPERA first events from the CNGS neutrino beam
• The CNGS Neutrino Beam