Nuclear emulsion films are a tracking device with unique space resolution. Their use in nowadays large-scale experiments relies on the availability of automated microscope operating at very high speed. In this paper we describe the features and the latest improvements of the European Scanning System, a last-generation automated microscope for emulsion scanning. In particular, we present a new method for the recovery of tracking inefficiencies. Stacks of double coated emulsion films have been exposed to a 10 GeV/c pion beam. Efficiencies as high as 98% have been achieved for minimum ionising particle tracks perpendicular to the emulsion films and of 93% for tracks with tan(θ)≃0.8.
Improving the detection efficiency in nuclear emulsion trackers / A., Alexandrov; C., Bozza; A., Buonaura; L., Consiglio; N., D׳ambrosio; G., De Lellis; M., De Serio; F., Di Capua; A., Di Crescenzo; D., Di Ferdinando; N., Di Marco; R. A., Fini; G., Galati; G., Giacomelli; G., Grella; B., Hosseini; U., Kose; A., Lauria; A., Longhin; G., Mandrioli; N., Mauri; E., Medinaceli; M. C., Montesi; A., Paoloni; A., Pastore; L., Patrizii; M., Pozzato; F., Pupilli; R., Rescigno; M., Roda; Rosa, Giovanni; A., Schembri; T., Shchedrina; S., Simone; M., Sioli; C., Sirignano; G., Sirri; M., Spinetti; S. M., Stellacci; M., Tenti; V., Tioukov. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - STAMPA. - 776:(2015), pp. 45-49. [10.1016/j.nima.2014.12.063]
Improving the detection efficiency in nuclear emulsion trackers
ROSA, Giovanni;
2015
Abstract
Nuclear emulsion films are a tracking device with unique space resolution. Their use in nowadays large-scale experiments relies on the availability of automated microscope operating at very high speed. In this paper we describe the features and the latest improvements of the European Scanning System, a last-generation automated microscope for emulsion scanning. In particular, we present a new method for the recovery of tracking inefficiencies. Stacks of double coated emulsion films have been exposed to a 10 GeV/c pion beam. Efficiencies as high as 98% have been achieved for minimum ionising particle tracks perpendicular to the emulsion films and of 93% for tracks with tan(θ)≃0.8.| File | Dimensione | Formato | |
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