Editing Single-photon emission computed tomography (section)

===Applications in nuclear technology===
In the nuclear power sector, the SPECT technique can be applied to image radioisotope distributions in irradiated nuclear fuels.<ref>{{cite book |last1=Jacobsson Svärd |first1=Staffan |title=A tomographic measurement technique for irradiated nuclear fuel assemblies |date=2004 |publisher=Acta Universitatis Upsaliensis |location=Uppsala |isbn=9155459447 |url=http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4227}}</ref> Due to the irradiation of nuclear fuel (e.g. uranium) with neutrons in a nuclear reactor, a wide array of gamma-emitting radionuclides are naturally produced in the fuel, such as fission products ([[cesium-137]], [[barium-140]] and [[europium-154]]) and activation products ([[chromium-51]] and [[cobalt-58]]). These may be imaged using SPECT in order to verify the presence of fuel rods in a stored fuel assembly for [[IAEA safeguards]] purposes,<ref>{{cite book |last1=Levai |first1=F |last2=Dési |first2=S |last3=Tarvainen |first3=M |last4=Artt |first4=R |title=Use of high energy gamma emission tomography for partial defect verification of spent fuel assemblies. |date=1993 |publisher=Finnish Centre for Radiation and Nuclear Safety |location=Helsinki |isbn=9514779754 |url=https://inis.iaea.org/search/search.aspx?orig_q=RN:25037535}}</ref> to validate predictions of core simulation codes,<ref>{{cite journal | doi = 10.13182/NT05-A3632 | volume=151 | title=Nondestructive Experimental Determination of the Pin-Power Distribution in Nuclear Fuel Assemblies | year=2005 | journal=Nuclear Technology | pages=70–76 | author=Jacobsson Svärd Staffan, Håkansson Ane, Bäcklin Anders, Osifo Otasowie, Willman Christopher, Jansson Peter| issue=1 | bibcode=2005NucTe.151...70S | s2cid=98426662 }}</ref> or to study the behavior of the nuclear fuel in normal operation,
<ref>{{cite journal | doi = 10.1016/j.anucene.2017.06.025 | volume=110 | title=A computerized method (UPPREC) for quantitative analysis of irradiated nuclear fuel assemblies with gamma emission tomography at the Halden reactor | journal=Annals of Nuclear Energy | pages=88–97 | year=2017 | author=Andersson P| url=http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-313485 }}</ref> or in accident scenarios.<ref>{{cite journal | doi = 10.1016/j.nucengdes.2013.05.019 | volume=262 | title=Quantitative analysis of the fission product distribution in a damaged fuel assembly using gamma-spectrometry and computed tomography for the Phébus FPT3 test | year=2013 | journal=Nuclear Engineering and Design | pages=469–483 | author=Biard B}}</ref>