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induced fission

Measurements of high-energy neutron-induced fission ofnatPb and 209Bi

Measurements of high-energy neutron-induced fission ofnatPb and 209Bi

... neutron-induced fission up to 1 ...proton-induced fission indicates that the limiting regime where neutron-induced and proton-induced fission reach equal cross sections is ...

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Direct and compound interactions for the neutron-induced fission cross section determination

Direct and compound interactions for the neutron-induced fission cross section determination

... neutron-induced fission cross sections are inter-compared for the chain of Th and U ...the fission barrier and the angular moments of the entrance channel states are shown to be ...

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Delayed neutron measurements for 232Th neutron-induced fission

Delayed neutron measurements for 232Th neutron-induced fission

... The absolute DN yield is stable between 2 and 4 MeV, it decreases between 4 and 6 MeV and is stable up to 16 MeV. This behaviour is comparable to the one observed for 235 U, 238 U and 239 Pu neutron induced ...

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Neutron induced fission of 237Np – status, challenges and opportunities

Neutron induced fission of 237Np – status, challenges and opportunities

... for fission- resonance parameters below the fission threshold ...fast-neutron induced fission are consistent within the claimed accuracy, usually about 3–4%, some significant discrepancies ...

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Prompt fissionγ-ray characteristics from neutron-induced fission on 239Pu and the time-dependence of prompt-γray emission

Prompt fissionγ-ray characteristics from neutron-induced fission on 239Pu and the time-dependence of prompt-γray emission

... prompt fission neutron [10, 11] and fission γ-ray characteristics [12–17] responding to a high-priority data request of the OECD ...prompt fission γ-ray spectral PFGS characteristics from ...

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Isotopic distribution and dependency to fission product kinetic energy for 241Pu thermal neutron-induced fission

Isotopic distribution and dependency to fission product kinetic energy for 241Pu thermal neutron-induced fission

... isotopic fission product yield, Y(A, Z), is the production rate by fission of a specific nucleus of mass A and nuclear charge ...The fission product yields knowledge for thermal neutron ...

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Fission fragment yields and total kinetic energy release in neutron-induced fission of235,238U,and239Pu

Fission fragment yields and total kinetic energy release in neutron-induced fission of235,238U,and239Pu

... nuclear fission process have been studied at Los Alamos Neutron Science Center (LANSCE) using various instruments and experimental ...in fission have been investigated using Frisch-grid ionization chambers, ...

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New measurements on isobaric fission product yields and mean kinetic energy for 241Pu thermal neutron-induced fission

New measurements on isobaric fission product yields and mean kinetic energy for 241Pu thermal neutron-induced fission

... isobaric fission product yield, or mass yield Y(A), is the production rate by fission of a nucleus of mass A including all the possible nuclear charge ...The fission product yield knowledge for ther- ...

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Determination of the fast-neutron-induced fission cross-section of 242Pu at nELBE

Determination of the fast-neutron-induced fission cross-section of 242Pu at nELBE

... The recorded list-mode data were analyzed using the Qt/ROOT-based software framework Go4 [18]. The produced time-of-flight spectra (cf. Fig. 2) were calibrated with respect to the bremsstrahlung peak. A gate on the QDC ...

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Template for estimating uncertainties of measured neutron-induced fission cross-sections

Template for estimating uncertainties of measured neutron-induced fission cross-sections

... Abstract. A template for estimating uncertainties (unc.) of measured neutron-induced fi ssion, (n,f), cross- sections (cs) is presented. This preliminary template not only lists all expected unc. sources but also ...

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Photon and proton induced fission on heavy nuclei at intermediate energies

Photon and proton induced fission on heavy nuclei at intermediate energies

... The mass distributions of fragments for photon-induced reactions at 50 MeV end-point energy are shown in Figure 2. A very good agreement is found at 50 MeV end-point energy for both tar- gets. A well parametrized ...

8

Heavy ion induced fission reactions

Heavy ion induced fission reactions

... experimental fission excitation functions and the pre-fission neutron ...dependent fission barriers will be taken from the recent calculations of ...the fission barriers, are ...the ...

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Neutron induced fission of 234U

Neutron induced fission of 234U

... value at 2 MeV incident neutron energy, which we have defined as the reference value. Doing so gives a clearer picture of the other parameters of the fit as a function of incident neutron energy, like for the dependence ...

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Simultaneous measurement of neutron-induced fission and capture cross sections for 241Am at neutron energies below fission threshold

Simultaneous measurement of neutron-induced fission and capture cross sections for 241Am at neutron energies below fission threshold

... both fission and capture cross sections, which would result in significant reduction of the error in the cross section ratio between fission and capture, R s ...

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Analysis of prompt fission neutrons in 235U(nth,f) and fission fragment distributions for the thermal neutron induced fission of 234U

Analysis of prompt fission neutrons in 235U(nth,f) and fission fragment distributions for the thermal neutron induced fission of 234U

... As commonly known, measuring neutrons is not straightforward. In this work we are forced to detect them indirectly through their recoil to a proton. From the recoil energy the generated light output is extracted and ...

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Dynamical approach to heavy ion-induced fission

Dynamical approach to heavy ion-induced fission

... 2-body fission spectrometer to examine the competition between transfer/DIC and ...3-body fission yields have been extracted for 34 S + 232 Th and 40 Ca + 232 Th ...

5

Description of induced nuclear fission with Skyrme energy functionals: static potential energy surfaces and fission fragment properties

Description of induced nuclear fission with Skyrme energy functionals: static potential energy surfaces and fission fragment properties

... of induced fission remains that of Bohr and Wheeler [1]: fission is modeled as a two-step process where the incident neutron first fuses with the target to form a compound nucleus (in an excited ...

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Silano_unc_0153D_16640.pdf

Silano_unc_0153D_16640.pdf

... the fission barrier of many ...neutron induced fission and photofission[13]. Fission barrier parameters are crucial inputs for cross section calculations on the Th-U fuel cycle of next ...

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Neutron Induced Capture and Fission Processes on 238U

Neutron Induced Capture and Fission Processes on 238U

... neutron induced fission and (n,xn) cross sections, the mass distribution and neutron multiplicity obtained in the present work were calculated with Talys codes ...[7]. Fission cross section ...

6

Effects of fissioning nuclei distributions on fragment mass distributions for high energy fission

Effects of fissioning nuclei distributions on fragment mass distributions for high energy fission

... spontaneous fission [3], low-energy induced fission [4–6], fission induced by thermal-neutrons [7–9] and 12 MeV protons [10], and even for fission induced by intermediate ...

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