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Applications of neural networks for free unfolding of experimental data from fusion neutron spectrometers
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
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2010 (English)In: International Journal of Nuclear Knowledge Management, Vol. 4, no 1, 25-31 p.Article in journal (Refereed) Published
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Abstract [en]

Free unfolding in neutron spectroscopy means reconstructing energy spectra from experimental data without a priori assumptions regarding their shape. Due to the ill-conditioned nature of the problem, this cannot be done analytically. Neural Networks (NNs) were applied to this task and synthetic data was used for training and testing. Results showed very consistent performance especially in the region of low and medium counts, where they fall near the Poisson statistical boundary. Comparison with other unfolding methods validated these results. Application time on the order of mus makes NNs suitable for real-time analysis. This approach can be applied to any instrument of which the response function is known.

Place, publisher, year, edition, pages
2010. Vol. 4, no 1, 25-31 p.
National Category
Fusion, Plasma and Space Physics
Research subject
Physics with specialization in Applied Nuclear Physics
Identifiers
URN: urn:nbn:se:uu:diva-286990DOI: 10.1504/IJNKM.2010.031152ISI: 11508223OAI: oai:DiVA.org:uu-286990DiVA: diva2:922198
Available from: 2016-04-22 Created: 2016-04-22 Last updated: 2017-01-25

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Conroy, SeanAndersson Sundén, ErikEricsson, GöranHellesen, CarlSjöstrand, HenrikWeiszflog, Matthias

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Conroy, SeanAndersson Sundén, ErikEricsson, GöranHellesen, CarlSjöstrand, HenrikWeiszflog, Matthias
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Applied Nuclear PhysicsApplied Nuclear Physics
Fusion, Plasma and Space Physics

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