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Development of a new compact gamma-ray spectrometer optimised for runaway electron measurements.
Dal Molin, A; Martinelli, L; Nocente, M; Rigamonti, D; Abba, A; Giacomelli, L; Gorini, G; Lvovskiy, A; Muraro, A; Tardocchi, M.
Afiliação
  • Dal Molin A; Dipartimento di Fisica "G. Occhialini," Università degli Studi di Milano-Bicocca, Milano, Italy.
  • Martinelli L; Dipartimento di Fisica "G. Occhialini," Università degli Studi di Milano-Bicocca, Milano, Italy.
  • Nocente M; Dipartimento di Fisica "G. Occhialini," Università degli Studi di Milano-Bicocca, Milano, Italy.
  • Rigamonti D; Istituto di Fisica del Plasma "P. Caldirola," CNR, Milano, Italy.
  • Abba A; Nuclear Instruments, Lambrugo, Italy.
  • Giacomelli L; Istituto di Fisica del Plasma "P. Caldirola," CNR, Milano, Italy.
  • Gorini G; Dipartimento di Fisica "G. Occhialini," Università degli Studi di Milano-Bicocca, Milano, Italy.
  • Lvovskiy A; Oak Ridge Associated Universities, Oak Ridge, Tennessee 37831, USA.
  • Muraro A; Istituto di Fisica del Plasma "P. Caldirola," CNR, Milano, Italy.
  • Tardocchi M; Istituto di Fisica del Plasma "P. Caldirola," CNR, Milano, Italy.
Rev Sci Instrum ; 89(10): 10I134, 2018 Oct.
Article em En | MEDLINE | ID: mdl-30399979
ABSTRACT
A new compact gamma-ray spectrometer was developed in order to optimise the measurement of bremsstrahlung radiation emitted from runaway electrons in the MeV range. The detector is based on a cerium doped lutetium-yttrium oxyorthosilicate (LYSOCe) scintillator coupled to a silicon photomultiplier and is insensitive to magnetic fields. A dedicated electronic board was developed to optimise the signal readout as well as for online control of the device. The detector combines a dynamic range up to 10 MeV with moderate energy non-linearity, counting rate capabilities in excess of 1 MHz, and an energy resolution that extrapolates to a few % in the MeV range, thus meeting the requirements for its application to runaway electron studies by bremsstrahlung measurements in the gamma-ray energy range.

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2018 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Rev Sci Instrum Ano de publicação: 2018 Tipo de documento: Article