Zobrazeno 1 - 10
of 152
pro vyhledávání: '"R. Zannoni"'
Akademický článek
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Autor:
F. Cagnazzo, Cyril Dargazanli, Alain Bonafe, Raed Ahmed, G. Gascou, I. Derraz, Pierre-Henri Lefevre, C. Riquelme, R. Zannoni, Vincent Costalat
Publikováno v:
AJNR Am J Neuroradiol
BACKGROUND AND PURPOSE: Flow disruption with the Woven EndoBridge is increasingly used for the treatment of intracranial aneurysms. We examined factors leading to aneurysm occlusion and Woven EndoBridge shape change during a midterm follow-up. MATERI
Akademický článek
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Autor:
Stefania Baccaro, Martin Nikl, Angelica Cecilia, Marco Montecchi, G. Zanella, P. Polato, R Zannoni
Publikováno v:
Journal of Non-Crystalline Solids. 315:271-275
In this work, we studied a set of Tb 3+ (or Eu 3+ ) doped silicate glasses in which some amounts of BaO were added to increase glass density. The irradiation-induced damage was investigated by absorbance measurements performed before and after each i
Akademický článek
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Autor:
G. Zanella, Martin Nikl, E. Mihokova, P. Polato, R Zannoni, G. Chen, Angelica Cecilia, Stefania Baccaro, J. A. Mares
Publikováno v:
Radiation Physics and Chemistry. 63:231-234
A set of Ce3+ activated silicate- and phosphate-based scintillating glasses were submitted to γ irradiation in the 60Co radioisotope source “Calliope” (ENEA-Casaccia in Rome, Italy) in the dose range between 1 and 250 Gy (3.7 Gy/h). The effect o
Radiation damage induced by γ irradiation on Ce3+ doped phosphate and silicate scintillating glasses
Autor:
Angelica Cecilia, G. Zanella, Martin Nikl, Stefania Baccaro, P. Polato, E. Mihokova, K. Nitsch, R Zannoni
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 476:785-789
The effect of γ irradiation on the optical properties of Ce 3+ -doped phosphate and silicate glasses is studied in the 1–250 Gy dose range. Results are discussed by taking into account the possible dependence of radiation-induced effects on the co
Autor:
Alessia Cemmi, P. Polato, Stefania Baccaro, K. Nitsch, Angelica Cecilia, Martin Nikl, R Zannoni, E. Mihokova, G Zanella
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 185:294-298
The effect of 60 Co irradiation (1–250 Gy) on the optical properties of selected phosphate and silicate-based scintillating glasses was investigated by transmission measurements performed at room temperature in the UV–Visible part of the spectra.
Autor:
R. Zannoni, G. Zanella
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 437:163-167
The most inclusive parameter describing the performance of an imaging detector may be considered detective quantum efficiency (DQE) expressed in function of the spatial frequencies. In this paper our effort is addressed to formulating a general and a
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 419:731-735
The single-event response of imaging detectors, averaged and normalised, can furnish the PSF and then the MTF of the detector. Moreover, the analysis of the single-event responses makes it possible to measure the fluctuation of the output signal inte