The MU-RAY project: Volcano radiography with cosmic-ray muons

G. Ambrosi, F. Ambrosino, R. Battiston, A. Bross, S. Callier, F. Cassese, G. Castellini, R. Ciaranfi, F. Cozzolino, R. Dalessandro, C. De La Taille, G. Iacobucci, A. Marotta, V. Masone, M. Martini, R. Nishiyama, P. Noli, M. Orazi, L. Parascandolo, P. ParascandoloG. Passeggio, R. Peluso, A. Pla-Dalmau, L. Raux, R. Rocco, P. Rubinov, G. Saracino, G. Scarpato, G. Sekhniaidze, P. Strolin, H. K.M. Tanaka, M. Tanaka, P. Trattino, T. Uchida, I. Yokoyamao

Research output: Contribution to journalArticlepeer-review

44 Citations (Scopus)

Abstract

Cosmic-ray muon radiography is a technique for imaging the variation of density inside the top few 100 m of a volcanic cone. With resolutions up to 10s of meters in optimal detection conditions, muon radiography can provide images of the top region of a volcano edifice with a resolution that is considerably better than that typically achieved with conventional methods. Such precise measurements are expected to provide us with information on anomalies in the rock density distribution, like those expected from dense lava conduits, low density magma supply paths or the compression with depth of the overlying soil. The MU-RAY project aims at the construction of muon telescopes and the development of new analysis tools for muon radiography. The telescopes are required to be able to work in harsh environment and to have low power consumption, good angular and time resolutions, large active area and modularity. The telescope consists of two XY planes of 2×2 square meters area made by plastic scintillator strips of triangular shape. Each strip is read by a fast WLS fiber coupled to a silicon photomultiplier. The readout electronics is based on the SPIROC chip.

Original languageEnglish
Pages (from-to)120-123
Number of pages4
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume628
Issue number1
DOIs
Publication statusPublished - 2011 Feb 2
Externally publishedYes

Keywords

  • Muon radiography
  • Silicon photomultiplier
  • Vulcano structure

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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