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5 results on '"T., Minniti"'

1. Measurement of the thickness of B4C layers deposited over metallic grids via multi-angle neutron radiography.

Author

G Vitucci, T Minniti, G Angella, G Croci, A Muraro, C Höglund, C C Lai, E Perelli Cippo, G Albani, R Hall-Wilton, Linda Robinson, G Grosso, M Tardocchi, and G Gorini

Subjects
THERMAL neutrons, THICKNESS measurement, NEUTRON counters, BORON carbides, NEUTRON radiography, NEUTRON sources, NEUTRONS
Abstract

At the present time, different kinds of thermal neutron detectors are under development at the European Spallation Source research facility, in order to overcome the well-known problem of the 3He shortage. One of these new systems relies on the use of a 3D neutron converter cathode that consists of a stack of aluminum grids, covered by a 0.9 µm 10B enriched boron carbide layer (10B4C). As the conversion efficiency is a function of the boron thickness and the mean free path of the charged particles produced in the neutron induced reaction, the characterization of the boron carbide layer uniformity over the grids becomes crucial. In this work, a non-destructive method to map the thickness distribution of the converter layer over the grids is shown. The measurements exploit the white-beam neutron radiography technique where the specimen is irradiated at different angles. This experiment has been performed at the IMAT beamline operating at the ISIS spallation neutron source (UK). The results confirm that this non-destructive, wide-ranging technique allows a reliable and fast sample characterization and that it may be exploited in similar analyses where equivalent requirements are requested. [ABSTRACT FROM AUTHOR]

Published
2019
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5. Elastic scattering studies of 16C at 50 MeV/A on proton and deuteron targets with the CHIMERA multidetector at INFN-LNS

Author

G. Lanzalone, Elio Rosato, F. Amorini, L. Grassi, S. Santoro, M. Trimarchi, A. Grzeszczuk, Triestino Minniti, G. Cardella, S. Lo Nigro, E. De Filippo, A. Pagano, D. Loria, Mariano Vigilante, A. Anzalone, Antonio Trifiro, F. Porto, Giuseppe Verde, Michele Papa, S. Pirrone, C. Maiolino, E. Geraci, E. La Guidara, Lucrezia Auditore, G. Politi, M B Chaatterjee, I. Lombardo, P. Russotto, F. Rizzo, C. Agodi, S.J.Freeman, L., Grassi, C., Agodi, F., Amorini, A., Anzalone, L., Auditore, G., Cardella, M. B., Chatterjee, E., De Filippo, E., Geraci, A. G. r. z. e. s. z. c. z. u., K., G., Lanzalone, Lombardo, Ivano, S., Lo Nigro, D., Loria, C., Maiolino, T., Minniti, A., Pagano, E. V., Pagano, M., Papa, S., Pirrone, G., Politi, F., Porto, F., Rizzo, Rosato, Elio, P., Russotto, S., Santoro, A., Trifiró, M., Trimarchi, G., Verde, Vigilante, Mariano, Grassi, L., Agodi, C., Amorini, F., Anzalone, A., Auditore, L., Cardella, G., Chaatterjee, M., Filippo, E., Geraci, E., Grzeszczuk, A., Guidara, E., Lanzalone, G., Lombardo, I., Nigro, S., Loria, D., Maiolino, C., Minniti, T., Pagano, A., Papa, M., Pirrone, S., Politi, G., Porto, F., Rizzo, F., Rosato, E., Russotto, P., Santoro, S., Trifirò, A., Trimarchi, M., Verde, G., and Vigilante, M.

Subjects
Radioactive ion beams, Elastic scattering, Physics, radioactive ion beam, History, Physics::Medical Physics, elastic scattering, tagging, Coincidence, Computer Science Applications, Education, Nuclear physics, Physics and Astronomy (all), Deuterium, Fragmentation (mass spectrometry), Physics::Accelerator Physics, Heavy ion, Atomic physics, Nuclear Experiment
Abstract

At the Laboratori Nazionali del Sud (LNS) in Catania (Italy), light radioactive ion beams have been produced through the In Flight Fragmentation method, using 18O and 13C at 55 MeV/A as primary beams impinging on a 9Be production target. Elastic scattering angular distributions of 16C+p and 16C+d at 50 MeV/A, 10Be+p at 56 MeV/A and 13B+d at 52 MeV/A systems were measured by using the CHIMERA (Charge Heavy Ion Mass and Energy Resolving Array) multidetector and kinematical coincidence technique. The experimental data are fitted by using the optical model. © Published under licence by IOP Publishing Ltd.

Published
2012

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