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fission fragments

Prompt particle emission in correlation with fission fragments

Prompt particle emission in correlation with fission fragments

... primary fission fragments can be simulated with the FIFRELIN Monte Carlo code leading to an estimation of prompt fission observables such as neutron/gamma multiplicities and spectra in correlation ...

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Measurement Of Uranium Concentration For Digestive System Samples In Two Governorates Of Iraq Using Fission Fragments Technique

Measurement Of Uranium Concentration For Digestive System Samples In Two Governorates Of Iraq Using Fission Fragments Technique

... From our research we can conclude that the number of track begin to appear when the etching time is (30) min, Then gradually increased to the time (90) min which is the highest number of tracks and More clear after then ...

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New Statistical Methods for Systematizing the Nuclei Fission Fragments: Post Scission Approach

New Statistical Methods for Systematizing the Nuclei Fission Fragments: Post Scission Approach

... In the proposed statistical method, the subject of investi- gation is not the pre-, or scission states of the initial nu- cleus, but a system of it fission fragments with very pe- culiar thermodynamical ...

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Lifetime measurements on fission fragments in the A ∼ 100 region

Lifetime measurements on fission fragments in the A ∼ 100 region

... The fission fragments were fully identified in the large-acceptance VAMOS spectrometer and -rays were detected in coincidence with the EXOGAM germanium ...

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SOFIA: An innovative setup to measure complete isotopic yield of fission fragments

SOFIA: An innovative setup to measure complete isotopic yield of fission fragments

... On FIssion with ALADIN) is the new-generation experiments conducted at GSI: it provides the charge and the mass identification for both fission fragments with a very good resolution and over the full ...

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Spatial- and Time-Correlated Detection of Fission Fragments

Spatial- and Time-Correlated Detection of Fission Fragments

... The response of the pixel detectors of the Medipix type such as the Medipix2 device [8] for detection of heavy ions and fission fragments has been examined [9]. The spectroscopic response of the Timepix ...

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Investigation of the heavy nuclei fission with anomalously high values of the fission fragments total kinetic energy

Investigation of the heavy nuclei fission with anomalously high values of the fission fragments total kinetic energy

... energy depends on the deformation of the fissioning nucleus as it descends from the saddle point to the scission point. In the case of cold fragmentation this stage of the fission process is omitted, because of at ...

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Application of Calorimetric Low-Temperature Detectors for the Investigation of Z-Yield Distributions of Fission Fragments

Application of Calorimetric Low-Temperature Detectors for the Investigation of Z-Yield Distributions of Fission Fragments

... of fission fragments. Fragments from neutron-induced fission sources were mass-separated by the LOHENGRIN spectrometer at the ILL Grenoble and, after passing silicon nitride membranes used as ...

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Ionization yields of fission fragments in gases

Ionization yields of fission fragments in gases

... of fission give lower values than those estimated from calorimetric ...of fission fragments stopped in an ionization chamber gas are of the order of 5 percent larger than those for alpha particles ...

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Isospin dependence of mass-distribution shape of fission fragments of Hg isotopes

Isospin dependence of mass-distribution shape of fission fragments of Hg isotopes

... the fission-fragment mass distribution calculated, one can analyze the dependence of the potential energy on the deformations of the fragments at the scission ...the fission fragments of about ...

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Point-by-Point model description of average prompt neutron data as a function of total kinetic energy of fission fragments

Point-by-Point model description of average prompt neutron data as a function of total kinetic energy of fission fragments

... triangles in Fig.1, is in good agreement with the experimental data of Vorobyev (open grey up and down triangles). The <ε>(TKE) results obtained by averaging the same PbP matrix ε(A,TKE) over Y(A) (full blue ...

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Dynamical approach to isotopic-distribution of fission fragments from actinide nuclei

Dynamical approach to isotopic-distribution of fission fragments from actinide nuclei

... fission fragments, often denoted as the primary fission yield (pre-neutron yield) or independent fission yield (post-neutron yield) are still challenging at low excitation energies, so that it is important to ...

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Calculation of Beta Decay Half-Lives and Delayed Neutron Branching Ratio of Fission Fragments with Skyrme-QRPA

Calculation of Beta Decay Half-Lives and Delayed Neutron Branching Ratio of Fission Fragments with Skyrme-QRPA

... The data of DN spectra is only available in ENDF / B-VII.1 decay data [4], in which FRDM + QRPA is used to calculate unmeasured half-lives [13] and CoH code to calculate DN spectra [14].[r] ...

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A Monte Carlo Simulation of Prompt Gamma Emission from Fission Fragments

A Monte Carlo Simulation of Prompt Gamma Emission from Fission Fragments

... the fission reaction, the prompt gamma multiplicity (M γ ) and the prompt gamma spectrum (N γ ( γ )) are ...induced fission of 235 U and 239 Pu and the spontaneous fission of 252 Cf have been made in ...

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Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Antineutrino Spectra and Decay Heat Calculations

Total Absorption Spectroscopy of Fission Fragments Relevant for Reactor Antineutrino Spectra and Decay Heat Calculations

... IGISOL facility (Jyväskylä, Finland) using Total Absorption Spectroscopy (TAS). TAS is complementary to techniques based on Germanium detectors. It implies the use of a calorimeter to me[r] ...

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Evaluation of excitation energy and spin in fission fragments using the statistical model, and the FIPPS project

Evaluation of excitation energy and spin in fission fragments using the statistical model, and the FIPPS project

... of fragments belonging to one statistical ensemble is, however, not an easy ...the fission product in ...the fission products will leave the target and the velocity will be measured by a time of ...

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Systematic measurements of prompt fission γ rays – and what they tell us about fission fragment de-excitation

Systematic measurements of prompt fission γ rays – and what they tell us about fission fragment de-excitation

... with a total average multiplicity in excellent agreement with M γ = 8.29 ± 0.13 [6]. Each quadrupole photon will then carry away 2 ~ , which implies an average angular momentum of J ≈ 12 ~ , which is in rather good ...

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Effects of nuclear structure on quasi-fission

Effects of nuclear structure on quasi-fission

... Fig. 4. Qualitative illustration of the distribution of quasi-fission fragments in the MAD. (a) Non-central collisions induce a rotation of the di-nuclear system. During the rotation, nucleon transfer ...

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Pre- and post- scission particle emission in 3D Langevin calculations with various macroscopic potentials

Pre- and post- scission particle emission in 3D Langevin calculations with various macroscopic potentials

... isobaric distributions of the evaporation residue has been measured in [16]. The difference between the results obtained with various potentials are visible mainly for particles and neutrons emitted from fission ...

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A Comprehensive Approach to Determination of Nuclear Data of Unstable Nuclei

A Comprehensive Approach to Determination of Nuclear Data of Unstable Nuclei

... increases. Fission and capture cross sections of minor actinides, and capture cross sections of fission fragments will play important roles not only in dosimetry but in disposal of nuclear waste, and ...

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