Measurement of Fission Cross Section of Neptunium-237 in Resonance Region with Electron Linac—Driven Lead Spectrometer

1993 ◽  
Vol 30 (9) ◽  
pp. 863-869 ◽  
Author(s):  
Akihiro YAMANAKA ◽  
Itsuro KIMURA ◽  
Satoshi KANAZAWA ◽  
Katsuhei KOBAYASHI ◽  
Shuji YAMAMOTO ◽  
...  
Keyword(s):  
Cross Section ◽  
Resonance Region ◽  
Fission Cross Section ◽  
Electron Linac

The total effective cross-sections of 233U, 235U, 239Pu and the fission cross-section of 235U in the resonance region

1957 ◽  
Vol 5 (3-4) ◽  
pp. 389-401
Author(s):  
V.V. Sokolovsky ◽  
V.V. Vladimirsky ◽  
I.A. Radkevich ◽  
A.A. Panov
Keyword(s):  
Cross Section ◽  
Cross Sections ◽  
Resonance Region ◽  
Fission Cross Section

Multilevel parametrization of the total cross section and fission cross section of239Pu in the resonance region of neutron energies

1983 ◽  
Vol 55 (1) ◽  
pp. 476-480
Author(s):  
T. Bakalov ◽  
G. Ilchev ◽  
S. Toshkov ◽  
V. F. Ukraintsev ◽  
Mai Chan Khan' ◽  
...  
Keyword(s):  
Total Cross Section ◽  
Cross Section ◽  
Resonance Region ◽  
Fission Cross Section

scholarly journals High-resolution evaluation of the U5(n,f) cross section from 3 keV to 30 keV

2019 ◽  
Vol 211 ◽  
pp. 02003
Author(s):  
I. Duran ◽  
C. Paradela ◽  
M. Caamaño ◽  
P. Cabanelas ◽  
L. Tassan-Got ◽  
...  
Keyword(s):  
Experimental Data ◽  
High Resolution ◽  
Cross Section ◽  
Resonance Region ◽  
Fission Cross Section ◽  
Energy Calibration ◽  
Fine Grid ◽  
Resonance Analysis ◽  
Reference File ◽  
Induced Fission

235U neutron-induced fission cross-section is commonly used as reference for determining other isotope fission cross-section. However, below 150 keV this cross section is only included as Standard at the thermal point and recently its integral value between 7.8 eV and 11 eV [1]. The resolved resonance region, spanning up to 2.25 keV, has been reevaluated with high resolution in the last ENDF/B-VIII release [2] and a SAMMY resonance analysis was done by L. Leal et al. [3] including the CERN-nTOF experimental work of Paradela el al. [4] up to 10 keV, taken into account the IAEA Reference file. In this work the 235U(n,f) low-background and high-resolution experimental data obtained at the CERN-nTOF facility is combined with previous high-resolution experimental data, in order to produce a very fine grid dataset with normalisation to the IAEA Reference file. The extremelyhigh energy calibration required to reproduce the resonance sharp profiles is based on the nTOF DAQ system with a resolution below 0.1% with reference to the 8.78 eV resonance and to the sharp Al(n,g) capture dip at 5.904 keV. The comparison of the so-evaluated profile with the experimental data and with the evaluated ones will be discussed.

scholarly journals RESONANCE EVALUATION OF 239Pu IN THE RESONANCE REGION UP TO 4 keV

2021 ◽  
Vol 247 ◽  
pp. 09006
Author(s):  
Luiz Leal ◽  
Nicolas Leclaire ◽  
Isabelle Duhamel
Keyword(s):  
High Resolution ◽  
Energy Range ◽  
Cross Section ◽  
Linear Accelerator ◽  
Resonance Region ◽  
Fission Cross Section ◽  
Computer Code ◽  
Electron Linear Accelerator ◽  
Oak Ridge ◽  
Data Libraries

Resolved resonance evaluation of the 239Pu cross section in the energy range up 4 keV has been carried out with the SAMMY computer code. Existing resolved resonance evaluation such as ENDF/B-VIII.0 and JENDL4 data libraries for 239Pu is limited to 2.5 keV whereas above this energy the unresolved resonance methodology is used. High resolution transmission and fission data taken at the Oak Ridge Electron Linear Accelerator (ORELA) permitted extending the resonance region up to 4 keV. The thermal and average fission cross section values calculated with the resonance parameters derived in the evaluation fall close to that indicated in the suggested IAEA fission standards.

EVAPORATION RESIDUE AND FISSION CROSS-SECTION FOR THE SYSTEM : 40Ar + 110Pd

1980 ◽  
Vol 41 (C10) ◽  
pp. C10-234-C10-238 ◽  
Author(s):  
C. Cabot ◽  
H. Gauvin ◽  
Y. Le Beyec ◽  
H. Delagrange ◽  
J. P. Dufour ◽  
...  
Keyword(s):  
Cross Section ◽  
Fission Cross Section ◽  
Evaporation Residue
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