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239Pu and 241Am (n, 2n) cross-section measurements near En = 14 MeV
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R. W. Lougheed
Veröffentlicht/Copyright:
25. September 2009
Summary
We measured the (n, 2n) cross sections for neutron energies from 13.7 to 15.1 MeV on 239Pu and 241Am by α- and γ-spectroscopy measurements of the post–irradiation 238Pu/239Pu and 240Am/241Am ratios relative to the (n, 2n) cross sections of 196Au and other calibration reactions. Statistical errors on the measurements were not more than a few percent. Cross–section values ranged from 228 to 214 millibarns for the reaction on 239Pu and from 260 to 222 millibarns for the 241Am reaction for neutron energies from 13.7 to 15.1 MeV.
Received: 2001-10-22
Accepted: 2002-5-1
Published Online: 2009-9-25
Published in Print: 2002-12-1
© Oldenbourg Wissenschaftsverlag, München
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Artikel in diesem Heft
- 239Pu and 241Am (n, 2n) cross-section measurements near En = 14 MeV
- Radiochemical studies relevant to the production of 86Y and 88Y at a small-sized cyclotron
- Berkelium redox speciation
- Solubility product of plutonium hydrous oxide and its ionic strength dependence
- Effective diffusivity of neptunium and plutonium in granite from Inada, Ibaraki, Japan under anaerobic conditions
- Theoretical predictions of hydrolysis and complex formation of group-4 elements Zr, Hf and Rf in HF and HCl solutions
- Evidence for the existence of Tc(IV) – humic substance species by X-ray absorption near-edge spectroscopy
- Measurement of L3 to M shell vacancy transfer probabilities of Th and U
- Radiochemical neutron activation analysis of trace impurities in high purity titanium and tungsten
- Thermochromatography of 241Am and 254Es in chlorinating carrier gases
Artikel in diesem Heft
- 239Pu and 241Am (n, 2n) cross-section measurements near En = 14 MeV
- Radiochemical studies relevant to the production of 86Y and 88Y at a small-sized cyclotron
- Berkelium redox speciation
- Solubility product of plutonium hydrous oxide and its ionic strength dependence
- Effective diffusivity of neptunium and plutonium in granite from Inada, Ibaraki, Japan under anaerobic conditions
- Theoretical predictions of hydrolysis and complex formation of group-4 elements Zr, Hf and Rf in HF and HCl solutions
- Evidence for the existence of Tc(IV) – humic substance species by X-ray absorption near-edge spectroscopy
- Measurement of L3 to M shell vacancy transfer probabilities of Th and U
- Radiochemical neutron activation analysis of trace impurities in high purity titanium and tungsten
- Thermochromatography of 241Am and 254Es in chlorinating carrier gases
