Experimental results of the first ANET resolution campaign with the compact neutron collimator

Oriol Sans-Planell, Marco Costa, Elisabetta Durisi, Ettore Mafucci, Luca Menzio, Valeria Monti, Lorenzo Visca, Francesco Grazzi, Roberto Bedogni and Saverio Altieri

Jadavpur Journal of International Relations, 2022, vol. 24, issue 3-4, 403-409

Abstract: This paper presents the first determination of the improvement in beam divergence when including the ANET Compact Neutron Collimator on an existing thermal neutron beam, obtained with a measuring campaign at the LENA Mark-II TRIGA reactor in Pavia. This novel collimator consists of a sequence of collimating and absorbing channels organised in a chessboard-like geometry. It has a scalable structure both in length and in the field of view. It is characterized by an elevated collimation power within a limited length. Its scalability and compactness are added values with respect to traditional collimating system. The prototype tested in this article is composed of 4 concatenated stages, each 100 mm long, with a channel width of 2.5 mm, delivering a nominal L/D factor of 160. This measuring campaign illustrates the use of the ANET collimator and its potential application in ne

Keywords: Neutron imaging; neutron collimation; compact neutron collimator (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:sae:jadint:v:24:y:2022:i:3-4:p:403-409

DOI: 10.3233/JNR-220028

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