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Determination of the Ir-193(n, 2n) reaction cross section and correction methodology for the Ir-191(n, gamma) contamination
Natl Tech Univ Athens, Dept Phys, Athens 15780, Greece.
Univ Ioannina, Dept Phys, GR-45110 Ioannina, Greece.
Natl Tech Univ Athens, Dept Phys, Athens 15780, Greece.
Natl Tech Univ Athens, Dept Phys, Athens 15780, Greece.
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2019 (English)In: European Physical Journal A, ISSN 1434-6001, E-ISSN 1434-601X, Vol. 55, no 10, article id 187Article in journal (Refereed) Published
Abstract [en]

The cross section of the Ir-193(n, 2n)Ir-192 reaction has been determined by means of the activation technique, relative to the Al-27(n, alpha) and Au-197(n, 2n) reference reactions cross sections, at neutron beam energies ranging from 10 to 21 MeV. The quasi-monoenergetic neutron beams were produced at the 5.5 MV Tandem T11/25 Accelerator Laboratory of NCSR "Demokritos" via the H-2(d, n) and H-3(d, n) reactions. The induced gamma-ray activity of the irradiated target and reference foils was measured with high resolution HPGe detectors. In order to correct for the contribution of the Ir-191(n, gamma)Ir-192 reaction, which is open to low energy parasitic neutrons, a recently developed analysis method was implemented and it is presented in great detail. Furthermore, cross section theoretical calculations were carried out using the EMPIRE and TALYS codes over a wide energy range.

Place, publisher, year, edition, pages
SPRINGER , 2019. Vol. 55, no 10, article id 187
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Subatomic Physics
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URN: urn:nbn:se:uu:diva-396963DOI: 10.1140/epja/i2019-12879-xISI: 000492408200001OAI: oai:DiVA.org:uu-396963DiVA, id: diva2:1369775
Available from: 2019-11-13 Created: 2019-11-13 Last updated: 2019-11-13Bibliographically approved

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Paneta, Valentina

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