Study and perspective on neutron beam divergence improvement achievable by the combination of two or more neutron collimating systems

This communication presents the results obtained at an experimental campaign at PSI BOA beamline using the combination of the ANET Compact Neutron Collimator (CNC) with the actual BOA pin-hole system. Through extensive resolution campaigns, it has been possible to quantify and understand the effects...

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Bibliographic Details
Published in:Journal of physics. Conference series 2023-09, Vol.2605 (1), p.12012
Main Authors: Sans-Planell, Oriol, Cantini, Francesco, Costa, Marco, Grazzi, Francesco, Morgano, Manuel, Yamada, Masako
Format: Article
Language:English
Subjects:
Collimation
Neutron beams
Physics
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Summary:This communication presents the results obtained at an experimental campaign at PSI BOA beamline using the combination of the ANET Compact Neutron Collimator (CNC) with the actual BOA pin-hole system. Through extensive resolution campaigns, it has been possible to quantify and understand the effects of improvement on the beam divergence when combining the two collimating systems. A new theoretical approach to this problem is described and discussed. The effect is expected not to be limited to the specific case that has been studied at PSI BOA but to have a more general validity for neutron collimation systems.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/2605/1/012012