Extra-large crystal emulsion detectors for future large-scale experiments

T. Ariga, Akitaka Ariga, K. Kuwabara, Kunihiro Morishima, M. Moto, A. Nishio, P. Scampoli, M. Vladymyrov

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Photographic emulsion is a particle tracking device which features the best spatial resolution among particle detectors. For certain applications, for example muon radiography, large-scale detectors are required. Therefore, a huge surface has to be analyzed by means of automated optical microscopes. An improvement of the readout speed is then a crucial point to make these applications possible and the availability of a new type of photographic emulsions featuring crystals of larger size is a way to pursue this program. This would allow a lower magnification for the microscopes, a consequent larger field of view resulting in a faster data analysis. In this framework, we developed new kinds of emulsion detectors with a crystal size of 600-1000 nm, namely 3-5 times larger than conventional ones, allowing a 25 times faster data readout. The new photographic emulsions have shown a sufficient sensitivity and a good signal to noise ratio. The proposed development opens the way to future large-scale applications of the technology, e.g. 3D imaging of glacier bedrocks or future neutrino experiments.

Original languageEnglish
Article numberP03003
JournalJournal of Instrumentation
Volume11
Issue number3
DOIs
Publication statusPublished - Mar 2 2016
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Mathematical Physics

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