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Neutron tomography

From Wikipedia, the free encyclopedia

Neutron tomography is a form of computed tomography involving the production of three-dimensional images by the detection of the absorbance of neutrons produced by a neutron source.[1] It created a three-dimensional image of an object by combining multiple planar images with a known separation.[2] It has a resolution of down to 25 μm.[3][4] Whilst its resolution is lower than that of X-ray tomography, it can be useful for specimens containing low contrast between the matrix and object of interest; for instance, fossils with a high carbon content, such as plants or vertebrate remains.[5]

Neutron tomography can have the unfortunate side-effect of leaving imaged samples radioactive if they contain appreciable levels of certain elements.[5]

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Transcription

See also

  • Winkler, B. (2006). "Applications of Neutron Radiography and Neutron Tomography". Reviews in Mineralogy and Geochemistry. 63: 459–471. doi:10.2138/rmg.2006.63.17.
  • Schwarz, D.; Vontobel, P. L.; Eberhard, H.; Meyer, C. A.; Bongartz, G. (2005). "Neutron tomography of internal structures of vertebrate remains: a comparison with X-ray computed tomography" (PDF). Palaeontologia Electronica. 8 (30).
  • Mays, C.; Cantrill, D. J.; Stilwell. J. D.; Bevitt. J. J. (2017). "Neutron tomography of Austrosequoia novae-zeelandiae comb. nov. (Late Cretaceous, Chatham Islands, New Zealand): implications for Sequoioideae phylogeny and biogeography". Journal of Systematic Palaeontology. 16 (7): 551–570. doi:10.1080/14772019.2017.1314898.

References

  1. ^ Grünauer, F.; Schillinger, B.; Steichele, E. (2004). "Optimization of the beam geometry for the cold neutron tomography facility at the new neutron source in Munich". Applied Radiation and Isotopes. 61 (4): 479–485. doi:10.1016/j.apradiso.2004.03.073. PMID 15246387.
  2. ^ McClellan Nuclear Radiation Center
  3. ^ "Neutron Tomography". Paul Scherrer Institut.
  4. ^ "Neutron Tomography NMI3". NMI3.
  5. ^ a b Sutton, M. D. (2008). "Tomographic techniques for the study of exceptionally preserved fossils". Proceedings of the Royal Society B: Biological Sciences. 275 (1643): 1587–1593. doi:10.1098/rspb.2008.0263. PMC 2394564. PMID 18426749.
This page was last edited on 5 December 2020, at 14:20
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