Details

Autor(en) / Beteiligte

• Fontanilla, A.
• Calamida, A.
• Campoy, A. I. Castro
• Cantone, C.
• Pietropaolo, A.
• Gomez-Ros, J. M.
• MontiMafucci, V. E.
• Vernetto, S.
• Pola, A.
• Bortot, D.
• Bedogni, R.

Titel

Extended range Bonner sphere spectrometer for high-elevation neutron measurements

Ist Teil von

• European physical journal plus, 2022-12, Vol.137 (12), p.1315, Article 1315

Ort / Verlag

Berlin/Heidelberg: Springer Berlin Heidelberg

Erscheinungsjahr

2022

Quelle

SpringerLink

Beschreibungen/Notizen

• A Bonner sphere spectrometer was designed for the measurement of cosmic neutrons at high elevation within the INFN-based project SAMADHA. The spectrometer consists of 8 moderating spheres (6 polyethylene and 2 polyethylene plus high atomic number inserts), each embedding a cylindrical 3 He proportional counter. The response matrix was calculated with MCNP6. In view of the very low counting rates expected in the environment, specific design criteria were adopted to prevent non-neutron signals. The spectrometer was exposed in a reference 241 Am–Be neutron field at Politecnico di Milano , which allowed the estimation of the overall uncertainty of the simulated response matrix of about ± 2%.