This work deals with 23Na(n,2n)22Na and 127I(n,2n)126I reactions in the 252Cf spontaneous fission neutron source. 252Cf neutron source with approximate emission of 6·× 108 n/s was employed for the irradiation of sodium iodide. The spectrum-averaged cross sections (SACS) were then inferred from experimentally determined reaction rates and compared with calculations in MCNP6 using various nuclear data libraries. The experimental reaction rates were derived from the net peak areas (NPAs) measured using the high purity germanium spectroscopy. The measured SACS for the 23Na(n,2n)22Na reaction in the 252Cf spectrum was determined as equal to (8.98±0.32)·× 10−6 b. The resulting SACS for the 127I(n,2n)126I reaction in the 252Cf spectrum was derived as (2.044±0.0072)·× 10−3 b. These experimental data can be used for nuclear data libraries validation and to specify high energy tail of the 252Cf neutron spectrum.
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July 2019
Research-Article
Investigation of 127I(n,2n)126I and 23Na(n,2n)22Na Reactions Using 252Cf Neutron Source
Michal Košťál,
Michal Košťál
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
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Evžen Novák,
Evžen Novák
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
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Jan Šimon,
Jan Šimon
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
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Nicola Burianová
Nicola Burianová
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
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Martin Schulc
Michal Košťál
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Evžen Novák
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Jan Šimon
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Nicola Burianová
Research Center Rez,
Hlavní 130,
Husinec Řež 250 68, Czech Republic
Hlavní 130,
Husinec Řež 250 68, Czech Republic
1Corresponding author.
Manuscript received February 9, 2018; final manuscript received March 20, 2018; published online April 16, 2019. Assoc. Editor: Thomas Schulenberg.
ASME J of Nuclear Rad Sci. Jul 2019, 5(3): 030918 (3 pages)
Published Online: April 16, 2019
Article history
Received:
February 9, 2018
Revised:
March 20, 2018
Citation
Schulc, M., Košťál, M., Novák, E., Šimon, J., and Burianová, N. (April 16, 2019). "Investigation of 127I(n,2n)126I and 23Na(n,2n)22Na Reactions Using 252Cf Neutron Source." ASME. ASME J of Nuclear Rad Sci. July 2019; 5(3): 030918. https://doi.org/10.1115/1.4039774
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