M. Ramdhane
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View article: Evaluation of Natural Radioactivity and Assessment of Radiation Hazard Indices in Some Sediment Samples from Streams of East Algeria
Evaluation of Natural Radioactivity and Assessment of Radiation Hazard Indices in Some Sediment Samples from Streams of East Algeria Open
The specific activities natural radionuclides have been measured in sediment samples collected from Beni Haroun Dam using gamma spectrometry. The mean activity concentrations of (238U, 235U and 232Th) as well as primordial 40K were found 5…
View article: Study of fission products related quantities with the LOHENGRIN spectrometer
Study of fission products related quantities with the LOHENGRIN spectrometer Open
Fission yields are one of the most used observables to describe the fission process. They are also mandatory for nuclear fuel cycle studies or nuclear reactor calculations for instance. In this paper we will show how we can extract indepen…
View article: Angular momentum of doubly magic <sup>132</sup>Sn fission product: Experimental and theoretical aspects
Angular momentum of doubly magic <sup>132</sup>Sn fission product: Experimental and theoretical aspects Open
Despite the numerous theoretical and experimental works published very recently, the way in which fission fragments acquire their angular momentum is still an open question. This angular momentum generation mechanism is important not only …
View article: New measurement of the <sup>235</sup>U(n<sub><i>th</i></sub>,f) fission yields and development of a Time of Flight line at the LOHENGRIN spectrometer
New measurement of the <sup>235</sup>U(n<sub><i>th</i></sub>,f) fission yields and development of a Time of Flight line at the LOHENGRIN spectrometer Open
The study of nuclear fission yields has a major impact on the characterization and understanding of the fission process and is mandatory for reactor applications. In the framework of a collaboration between the CEA, the LPSC and the ILL, a…
View article: Measurement of the fission yield of <sup>136</sup>Cs in the <sup>239</sup>Pu(n<sub>th</sub>,f) reaction
Measurement of the fission yield of <sup>136</sup>Cs in the <sup>239</sup>Pu(n<sub>th</sub>,f) reaction Open
A recent experimental campaign performed at the LOHENGRIN spectrometer at ILL aimed at measuring the independent fission yield of 136 Cs in the 239 Pu(n th ,f) reaction. This nuclide can have an important contribution to the total dose rat…
View article: New <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>β</mml:mi></mml:math>-decay spectroscopy of the <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Te</mml:mi><mml:mprescripts/><mml:none/><mml:mn>137</mml:mn></mml:mmultiscripts></mml:math> nucleus
New -decay spectroscopy of the nucleus Open
Background: Nuclear structure of the neutron-rich isotopes beyond 132 Sn is investigated. Purpose: The level scheme of 137 I is obtained after decay of 137 Te. Transitions in 136 I are detected after delayed neutron emission of 137 Te. The…
View article: Structure of $^{83}$As, $^{85}$As and $^{87}$As: from semi-magicity to\n $\\gamma$-softness
Structure of $^{83}$As, $^{85}$As and $^{87}$As: from semi-magicity to\n $\\gamma$-softness Open
The structure of $^{83}$As, $^{85}$As and $^{87}$As have been studied in\nfusion-fission reaction $^{238}$U+$^9$Be. Fission fragments were identified in\nmass and atomic number using the VAMOS++ spectrometer and the coincident\n$\\gamma$-r…
View article: Characterization of Diamond and Silicon Carbide Detectors With Fission Fragments
Characterization of Diamond and Silicon Carbide Detectors With Fission Fragments Open
Experimental fission studies for reaction physics or nuclear spectroscopy can profit from fast, efficient, and radiation-resistant fission fragment (FF) detectors. When such experiments are performed in-beam in intense thermal neutron beam…
View article: Structure of high-lying levels populated in the 96Y →96Zr β decay
Structure of high-lying levels populated in the 96Y →96Zr β decay Open
View article: Investigation of fission product isomeric ratios and angular momenta of <sup>132</sup>Sn populated in the <sup>241</sup>Pu(n<sub>th</sub>,f) reaction
Investigation of fission product isomeric ratios and angular momenta of <sup>132</sup>Sn populated in the <sup>241</sup>Pu(n<sub>th</sub>,f) reaction Open
During an experimental campaign performed at the LOHENGRIN recoil spectrometer of the Institut Laue-Langevin (ILL), a kinetic energy dependence of 132 Sn fission product isomeric ratio (IR) has been measured by inducing thermal fission of …
View article: Fission fragments observables measured at the LOHENGRIN spectrometer
Fission fragments observables measured at the LOHENGRIN spectrometer Open
Nuclear fission yields are key data for reactor studies, such as spent fuel inventory or decay heat, and for understanding fission process. Despite a significant effort allocated to measure fission yields during the last decades, the recen…
View article: Measurements of Fission Products Yields with the LOHENGRIN mass spectrometer at ILL
Measurements of Fission Products Yields with the LOHENGRIN mass spectrometer at ILL Open
The CEA in collaboration with ILL and LPSC has developed a measurement program on symmetric and heavy mass fission product distributions. The combination of measurements with ionisation chamber and Ge detectors is necessary to describe pre…
View article: Excitations of the magic <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>50</mml:mn></mml:mrow></mml:math> neutron-core revealed in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi>Ga</mml:mi><mml:mprescripts/><mml:none/><mml:mn>81</mml:mn></mml:mmultiscripts></mml:math>
Excitations of the magic neutron-core revealed in Open
The high-spin states of the neutron-rich Ga81, with three valence protons outside a Ni78 core, were measured. The measurement involved prompt γ-ray spectroscopy of fission fragments isotopically identified using the combination of the vari…
View article: Status of fission fragment observables measured with the LOHENGRIN spectrometer
Status of fission fragment observables measured with the LOHENGRIN spectrometer Open
Nuclear fission yields are key parameters to evaluate reactor physics observables, such as fuel inventory, decay heat, spent fuel radiotoxicity, criticality but also for understanding the fission process. Despite a significant effort alloc…
View article: Levels and effects of natural radionuclides in sediment banks of Rhumel River (Northeast Algeria)
Levels and effects of natural radionuclides in sediment banks of Rhumel River (Northeast Algeria) Open
Activity concentrations of natural radionuclides in Boumerzoug River sediment (the main tributary of Rhumel river) have been measured using high resolution HPGe detector. The activity concentrations of the samples were range from 16.66±2.3…
View article: Theoretical interpretation of the nuclear structure of<sup>88</sup>Se within the ACM and the QPM models.
Theoretical interpretation of the nuclear structure of<sup>88</sup>Se within the ACM and the QPM models. Open
The four-parameter algebraic collective model (ACM) Hamiltonian is used to describe the nuclear structure of 88Se. It is shown that the ACM is capable of providing a reasonable description of the excitation energies and relative positions …
View article: Excited States and Collectivity in <sup>88</sup>Se
Excited States and Collectivity in <sup>88</sup>Se Open
The γ decays of excited states in the very neutron-rich nucleus 88 Se have been observed following the cold neutron-induced fission of 235 U at the PF1B facility of the Institut Laue-Langevin (ILL), Grenoble. The EXILL array was used to me…
View article: New nuclear structure data after fission: The g.s. of <sup>136</sup>Sb
New nuclear structure data after fission: The g.s. of <sup>136</sup>Sb Open
Nuclei in the neutron-rich region beyond 132 Sn have been produced recently by various experiments using fission. Using isomer and β-decay studies nuclear structure data has been collected on the orbital evolution and collectivity in the r…
View article: Coulomb Excitation of $^{142}$Xe
Coulomb Excitation of $^{142}$Xe Open
The even–even nucleus 142Xe lies north-east of the doubly magic 132Sn on the neutron-rich side of the nuclear chart. In order to gain further information on the octupole collectivity and the evolution of quadrupole collectivity in this reg…
View article: EXILL—a high-efficiency, high-resolution setup for γ-spectroscopy at an intense cold neutron beam facility
EXILL—a high-efficiency, high-resolution setup for γ-spectroscopy at an intense cold neutron beam facility Open
In the EXILL campaign a highly efficient array of high purity germanium (HPGe) detectors was operated at the cold neutron beam facility PF1B of the Institut Laue-Langevin (ILL) to carry out nuclear structure studies, via measurements of γ-…
View article: Natural radioelement concentrations in fertilizers and the soil of the Mila region of Algeria
Natural radioelement concentrations in fertilizers and the soil of the Mila region of Algeria Open
International audience
View article: Assessment of natural radioactivity in NPK fertilizers
Assessment of natural radioactivity in NPK fertilizers Open
The addition of inorganic fertilizers to treat crop soil and increase its production has become a necessity and tool around the world. These various fertilizers, such as NPK fertilizers (Nitrogen, phosphate and potassium), cause an increas…
View article: <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msub><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi>Kr</mml:mi></mml:mrow><mml:mprescripts/><mml:mrow><mml:mn>36</mml:mn></mml:mrow><mml:mrow><mml:mn>96</mml:mn></mml:mrow></mml:mmultiscripts></mml:mrow><mml:mrow><mml:mn>60</mml:mn></mml:mrow></mml:msub></mml:mrow></mml:math>–Low-<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>Z</mml:mi></mml:math> Boundary of the Island of Deformation at <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>N</mml:mi><mml:mo>=</mml:mo><mml:mn>60</mml:mn></mml:mrow></mml:math>
–Low- Boundary of the Island of Deformation at Open
Prompt γ-ray spectroscopy of the neutron-rich ^{96}Kr, produced in transfer- and fusion-induced fission reactions, has been performed using the combination of the Advanced Gamma Tracking Array and the VAMOS++ spectrometer. A second excited…
View article: Natural radioactivity investigation in Dam sediments of northeast Algeria using gamma spectroscopy
Natural radioactivity investigation in Dam sediments of northeast Algeria using gamma spectroscopy Open
\nCurrent research paper intends to estimate the natural radioactivity levels in sediments samples collected from Beni Haroun Dam in the northeast Algeria, using high resolution HPGe detector. The mean activity concentrations values measur…
View article: Natural radioelement concentrations in the soil of the Mila region of Algeria
Natural radioelement concentrations in the soil of the Mila region of Algeria Open
\nIn this study, the levels of the natural and artificial radioactivity in soil samples collected at various depths from Algerian agricultural region El-Athmania Mila was measured. Activity concentrations of the concerned radionuclides wer…
View article: FLUOLE-2: An Experiment for PWR Pressure Vessel Surveillance
FLUOLE-2: An Experiment for PWR Pressure Vessel Surveillance Open
FLUOLE-2 is a benchmark-type experiment dedicated to 900 and 1450MWe PWR vessels surveillance dosimetry. This two-year program started in 2014 and will end in 2015. It will provide precise experimental data for the validation of the neutro…
View article: Study of Intermediate-spin States of $^{98}$Y
Study of Intermediate-spin States of $^{98}$Y Open
The nuclear structure of the odd–odd nucleus 98Y has been re-investigated
\nby observing prompt γ rays emitted following the proton-induced fission
\nof a 238U target, using the JUROGAM-II multidetector array. New highspin
\ndecays have be…