A comparison of four reconstruction methods for JET neutron and gamma tomography (Articolo in rivista)

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  • A comparison of four reconstruction methods for JET neutron and gamma tomography (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.nima.2009.03.224 (literal)
Alternative label
  • Craciunescu T.; Bonheure G.; Kiptily V.; Murari A.; Tiseanu I.; Zoita V.; Contributors JET-EFDA (2009)
    A comparison of four reconstruction methods for JET neutron and gamma tomography
    in NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Craciunescu T.; Bonheure G.; Kiptily V.; Murari A.; Tiseanu I.; Zoita V.; Contributors JET-EFDA (literal)
Pagina inizio
  • 374 (literal)
Pagina fine
  • 383 (literal)
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  • La rivista è pubblicata anche online con ISSN 1872-9576. (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0168900209005324 (literal)
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  • 605 (literal)
Rivista
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  • Issue 3 (literal)
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  • 10 (literal)
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  • 3 (literal)
Note
  • ISI Web of Science (WOS) (literal)
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  • a EURATOM-MEdC Association, National Institute for Laser, Plasma and Radiation Physics, Bucharest, Romania - b Partners in the TEC, 'Euratom-Belgian state' Association LPP-ERM/KMS, B 1000 Brussels, Belgium - c EURATOM/UKAEA Association, Culham Science Centre, Abingdon, Oxon, UK - d Consorzio RFX, Associazione ENEA-Euratom per la Fusione, Padova, Italy - e JET-EFDA Culham Science Centre, Abingdon OX14 3DB, UK - (T. Craciunescu a, Corresponding author, G. Bonheure b, V. Kiptily c, A. Murari d, I. Tiseanu a, V. Zoita a, JET-EFDA Contributors e) (literal)
Titolo
  • A comparison of four reconstruction methods for JET neutron and gamma tomography (literal)
Abstract
  • The JET neutron profile monitor coverage of the neutron/gamma emissive region enables tomographic reconstruction. However, due to the availability of only two projection angles and to the coarse sampling, tomography is a highly limited data set problem. A comparative study concerning the applicability to JET tomography of four methods-maximum likelihood, maximum entropy, Tikhonov regularization and a Monte Carlo back-projection algorithm-is reported. The methods have been tested on numerically simulated phantoms with shapes characteristic for this kind of tomography. The retrieval of sophisticated structures in the emissive distribution has been addressed in order to have a complete image of the quality and reliability of the methods. A both qualitative and quantitative evaluation is reported. (literal)
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