APPARATUS AND METHOD FOR NEUTRON DETECTION BY CAPTURE-GAMMA CALORIMETRY
An apparatus for detecting neutron radiation includes a first section with a high neutron absorption capability and a second section with a low neutron absorption capability. The second section includes a gamma ray scintillator having an inorganic material with an attenuation length of less than 10...
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Format | Patent |
Language | English French German |
Published |
06.06.2012
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Abstract | An apparatus for detecting neutron radiation includes a first section with a high neutron absorption capability and a second section with a low neutron absorption capability. The second section includes a gamma ray scintillator having an inorganic material with an attenuation length of less than 10 cm for gamma rays of 5 MeV energy. The material of the first section releases the energy deployed in the first section by neutron capture mainly via gamma radiation. A substantial portion of the first section is covered by the second section. An evaluation device determines the amount of light detected by a light detector for one scintillation event, and the amount is in a known relation to the energy deployed by gamma radiation in the second section. The evaluation device classifies detected radiation as neutrons when the measured total gamma energy Esum is above 2,614 MeV. |
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AbstractList | An apparatus for detecting neutron radiation includes a first section with a high neutron absorption capability and a second section with a low neutron absorption capability. The second section includes a gamma ray scintillator having an inorganic material with an attenuation length of less than 10 cm for gamma rays of 5 MeV energy. The material of the first section releases the energy deployed in the first section by neutron capture mainly via gamma radiation. A substantial portion of the first section is covered by the second section. An evaluation device determines the amount of light detected by a light detector for one scintillation event, and the amount is in a known relation to the energy deployed by gamma radiation in the second section. The evaluation device classifies detected radiation as neutrons when the measured total gamma energy Esum is above 2,614 MeV. |
Author | STEIN, JUERGEN PAUSCH, GUNTRAM HERBACH, CLAUS, MICHAEL |
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DocumentTitleAlternate | APPAREIL ET MÉTHODE DE DÉTECTION DE NEUTRONS PAR CALORIMÉTRIE GAMMA À CAPTURE VORRICHTUNG UND VERFAHREN FÜR NEUTRONENDETEKTION MITTELS KALORIMETRIE VON EINFANGENDEN GAMMASTRAHLEN |
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Snippet | An apparatus for detecting neutron radiation includes a first section with a high neutron absorption capability and a second section with a low neutron... |
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SubjectTerms | MEASUREMENT OF NUCLEAR OR X-RADIATION MEASURING PHYSICS TESTING |
Title | APPARATUS AND METHOD FOR NEUTRON DETECTION BY CAPTURE-GAMMA CALORIMETRY |
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