Measurements of gamma-ray sensitivity of a GEM based detector using a coincidence technique (Articolo in rivista)

Type
Label
  • Measurements of gamma-ray sensitivity of a GEM based detector using a coincidence technique (Articolo in rivista) (literal)
Anno
  • 2013-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/1748-0221/8/04/P04006 (literal)
Alternative label
  • Croci, G [ 1 ] ; Cazzaniga, C [ 2 ] ; Tardocchi, M [ 1 ] ; Borghi, R [ 2 ] ; Claps, G [ 3 ] ; Grosso, G [ 1 ] ; Murtas, F [ 3 ] ; Gorini, G [ 2 ] (2013)
    Measurements of gamma-ray sensitivity of a GEM based detector using a coincidence technique
    in Journal of instrumentation; IOP Publishing Ltd., Bristol BS1 6BE (Regno Unito)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Croci, G [ 1 ] ; Cazzaniga, C [ 2 ] ; Tardocchi, M [ 1 ] ; Borghi, R [ 2 ] ; Claps, G [ 3 ] ; Grosso, G [ 1 ] ; Murtas, F [ 3 ] ; Gorini, G [ 2 ] (literal)
Pagina inizio
  • P04006 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://iopscience.iop.org/1748-0221/8/04/P04006/ (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 8 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • [ 1 ] Assoc EURATOM ENEA CNR, Ist Fis Plasma P Caldirola, Milan, Italy [ 2 ] Univ Milano Bicocca, Dipartimento Fis G Occhialini, Milan, Italy [ 3 ] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy (literal)
Titolo
  • Measurements of gamma-ray sensitivity of a GEM based detector using a coincidence technique (literal)
Abstract
  • Gas Electron Multiplier based detectors have been recently used for neutron measurement at spallation sources and for fusion relevant applications. The present work is meant to characterize the detector sensitivity to gamma-ray background which often can represent the main background source associated to neutron measurements. The gamma-ray sensitivity has been measured as a function of detector gain and it has been found to be lower than 10(-7) at the typical gain used for neutrons detection. Coincidence measurements, giving the possibility to select mono-energetic photons and to suppress background events, allowed to measure the absolute sensitivity at a well defined gamma-ray energy and at low interaction rates. The mechanism of interaction and energy deposition of gamma-rays in the detector has been studied using MCNPX Monte Carlo simulations. (literal)
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