NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = M.Vidali Found 21 matches. 2021TR05 Phys.Lett. B 817, 136293 (2021) M.Travar, V.Piau, A.Gook, O.Litaize, J.Nikolov, A.Oberstedt, S.Oberstedt, J.Enders, M.Peck, W.Geerts, M.Vidali Experimental information on mass- and TKE-dependence of the prompt fission γ-ray multiplicity RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ; deduced mass-dependent average prompt fission γ-ray multiplicity, saw-tooth like shape of multiplicity-mass correlation.
doi: 10.1016/j.physletb.2021.136293
2020AL22 Phys.Rev. C 102, 064610 (2020) A.Al-Adili, D.Tarrio, K.Jansson, V.Rakopoulos, A.Solders, S.Pomp, A.Gook, F.-J.Hambsch, S.Oberstedt, M.Vidali Prompt fission neutron yields in thermal fission of 235U and spontaneous fission of 252Cf NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragments, E(n), I(n), (fission fragment)n-coin using a Twin Frisch-Grid Ionization Chamber (TFGIC) and two liquid scintillation detectors at the 7 MV Van de Graaff facility in JRC-Geel; deduced mass yields and two-dimensional mass versus total kinetic energy (TKE) distributions, average prompt fission neutron spectra (PFNS), contribution from forward and backward neutron-fragment coincidences, preneutron emission mass yields, TKE distributions versus preneutron emission mass, prompt-fission neutron yield as a function of preneutron mass and TKE, neutron spectrum in the center-of-mass system as a function of fragment mass. Detailed Fluka simulations, and comparison with data from SCINTIA neutron array, other experimental results, and Wahl evaluation. Need for a new evaluation of the prompt-fission neutron multiplicity. RADIOACTIVITY 252Cf(SF); measured fission fragments, E(n), I(n), (fission fragment)n-coin using a Twin Frisch-Grid Ionization Chamber (TFGIC) and two liquid scintillation detectors at the 7 MV Van de Graaff facility in JRC-Geel; deduced mass distributions, with and without neutron coincidence, prompt-fission neutrons as a function of fragment mass and total kinetic energy (TKE), neutron spectrum in the laboratory system, kinetic energy distributions, average prompt fission neutron spectra (PFNS), contribution from forward and backward neutron-fragment coincidences, preneutron emission mass yields, TKE distributions versus preneutron emission mass, prompt-fission neutron yield as a function of preneutron mass and TKE, average neutron multiplicity as function of mass number and TKE, neutron spectrum in the center-of-mass system as a function of fragment mass. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.102.064610
2020IL01 Eur.Phys.J. A 56, 202 (2020) S.Ilic, N.Jovancevic, L.Daraban, H.Stroh, S.Oberstedt, M.Hult, C.Bonaldi, W.Geerts, F.-J.Hambsch, G.Lutter, G.Marissens, M.Vidali, D.Knezevic The cross-sections for the 187Re(n, p)187W and 185Re(n, 3n)183Re reactions in the energy range between 13.08 MeV and 19.50 MeV NUCLEAR REACTIONS 187Re(n, p), 185Re(n, 3n), E=13.08-19.5 MeV; measured reaction products, Eγ, Iγ, En, In; deduced σ. Comparison with ENDF/B-VII.0, JEFF 3.3, JEFF 3.2, BROND 3.1, JEF-2.2, JENDL, ROSFOND-2010, TENDL-2017, EAF-2010, FENDL-3.1c libraries, TALYS 1.9 and EMPIRE 3.2.3 calculations.
doi: 10.1140/epja/s10050-020-00207-8
2018GO22 Phys.Rev. C 98, 044615 (2018) A.Gook, F.-J.Hambsch, S.Oberstedt, M.Vidali Prompt neutrons in correlation with fission fragments from 235U (n, f) NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragments, spectra of prompt fission neutrons, pre-neutron fragment mass yield distribution and total kinetic energy (TKE), (fragment)n-coin, and prompt neutron multiplicity using proton recoil scintillator array for neutron detection and a position-sensitive twin ionization chamber for detection of fission fragments at the GELINA neutron time-of-flight facility of JRC-Geel; deduced integral prompt fission neutron spectrum, average energy of neutrons and average prompt neutron multiplicity as a function of the fission fragment mass, fission yield as a function of TKE. Comparison with previous experimental results, evaluated data, and model predictions.
doi: 10.1103/PhysRevC.98.044615
2017GA12 Phys.Rev. C 95, 064609 (2017) A.Gatera, T.Belgya, W.Geerts, A.Gook, F.-J.Hambsch, M.Lebois, B.Maroti, A.Moens, A.Oberstedt, S.Oberstedt, F.Postelt, L.Qi, L.Szentmiklosi, G.Sibbens, D.Vanleeuw, M.Vidali, F.Zeiser Prompt-fission γ-ray spectral characteristics from 239Pu(nth, f) NUCLEAR REACTIONS 239Pu(n, F), E=thermal and slow; measured fission-fragment distribution, Eγ, Iγ, time-of-flight (TOF) spectra for different γ-ray energies, prompt-fission γ-ray spectra (PFGS) at the 10 MW research reactor of Budapest Neutron; deduced average γ-ray multiplicity M, average energy, and the total energy. Comparison with evaluated nuclear data in ENDF/B-VII.1.
doi: 10.1103/PhysRevC.95.064609
2016AL04 Phys.Rev. C 93, 034603 (2016) A.Al-Adili, F.-J.Hambsch, S.Pomp, S.Oberstedt, M.Vidali Fragment-mass, kinetic energy, and angular distributions for 234U(n, f) at incident neutron energies from En=0.2 MeV to 5.0 MeV NUCLEAR REACTIONS 234U(n, F), E=0.2-5.0 MeV; measured fission fragments, fragment mass yields, total kinetic energy (TKE) and angular distributions as a function of incident neutron energy using double-energy (2E) technique and a twin Frisch-grid ionization chamber at JRC-IRMM-Geel Van de Graaff accelerator facility; deduced average heavy fragment pre-neutron mass, and width of the mass distribution as a function of incident neutron energy, relative weight of the S1 and S2 fission modes.
doi: 10.1103/PhysRevC.93.034603
2016DU22 Phys.Rev. C 94, 054604 (2016) D.L.Duke, F.Tovesson, A.B.Laptev, S.Mosby, F.-J.Hambsch, T.Brys, M.Vidali Fission-fragment properties in 238U(n, f) between 1 and 30 MeV NUCLEAR REACTIONS 238U(n, F), E=1-30 MeV; measured fragment mass and total kinetic energy (TKE) distributions, average number of prompt neutrons, average TKE using a twin Frisch-gridded ionization chamber (IC) for fission fragments at the LANL-LANSCE-WNR facility; deduced pre- and post-neutron emission TKEs, fragment mass landscape, fragment yields. Comparison with theoretical calculations and with ENDF/B-VII.1-evaluated data.
doi: 10.1103/PhysRevC.94.054604
2016JO06 Eur.Phys.J. A 52, 148 (2016) N.Jovancevic, L.Daraban, H.Stroh, S.Oberstedt, M.Hult, C.Bonaldi, W.Geerts, F.-J.Hambsch, G.Lutter, G.Marissens, M.Vidali The neutron cross-section functions for the reactions 187Re(n, α)184Ta, 187Re(n, 2n)186Re and 185Re(n, 2n)184Re in the energy range 13.08 - 19.5 MeV NUCLEAR REACTIONS 187Re(n, α), E=13.0819.5 MeV;185,187Re(n, 2n), E=13.0819.5 MeV; measured thick target activation Eγ, γ using the MAXSUN method; deduced neutron fluence spectra, σ; evaluated σ. EXcitation function compared with EXFOR data and ENDF/B-VII.1, JEFF-3.2, ROSFOND-301o, MENDL-2 evaluations.
doi: 10.1140/epja/i2016-16148-4
2016OB01 Phys.Rev. C 93, 054603 (2016) S.Oberstedt, A.Oberstedt, A.Gatera, A.Gook, F.-J.Hambsch, A.Moens, G.Sibbens, D.Vanleeuw, M.Vidali Prompt fission γ-ray spectrum characteristics from 240Pu (sf) and 242Pu (sf) RADIOACTIVITY 240,242Pu(SF); measured prompt fission γ spectra (PFGS), Eγ, Iγ, (fission fragments)γ-coin at EC-JRC-IRMM; deduced average energy per photon, average multiplicity Mγ, average total γ-ray energy release per fission. Comparison with prompt fission γ spectrum from 241Pu(n, F), E=thermal, and with systematic trends.
doi: 10.1103/PhysRevC.93.054603
2015SA27 Phys.Rev. C 92, 014620 (2015) P.Salvador-Castineira, T.Brys, R.Eykens, F.-J.Hambsch, A.Gook, A.Moens, S.Oberstedt, G.Sibbens, D.Vanleeuw, M.Vidali, C.Pretel Neutron-induced fission cross section of 240Pu from 0.5 MeV to 3 MeV NUCLEAR REACTIONS 240Pu(n, F), E=0.5-3 MeV; measured fission fragment spectra using Atwin Frisch-grid ionization chamber (TFGIC) for fission fragments at Van de Graaff accelerator facility of JRC-IRMM, fission σ(E). 235U, 237Np, 238U(n, F), E=0.5-3.0 MeV; cross sections used as references for 240Pu(n, F) reaction, and benchmarked. Comparison with previous measurements, and with ENDF/B-VII.1, JEFF 3.1 and JENDL 4.0 evaluated libraries. Relevance to needs for future generation of nuclear power plants (GEN-IV).
doi: 10.1103/PhysRevC.92.014620
2015SA41 Phys.Rev. C 92, 044606 (2015) P.Salvador-Castineira, T.Brys, R.Eykens, F.-J.Hambsch, A.Gook, A.Moens, S.Oberstedt, G.Sibbens, D.Vanleeuw, M.Vidali, C.Pretel Neutron-induced fission cross sections of 242Pu from 0.3 MeV to 3 MeV NUCLEAR REACTIONS 242Pu, 237Np, 235,238U(n, F), E=0.3-3 MeV; measured fission fragments, σ(E) ratios using data for 237Np, 235,238U as reference standards. Fission fragments detected using a twin Frisch-grid ionization chamber (TFGIC) at Van de Graaff accelerator of the JRC-IRMM, Geel. Comparison with previous experimental data, and with ENDF/B-VII.1, JEFF 3.1 and JENDL 4.0 evaluated libraries. High-priority request list of OECD-NEA, and relevance to next generation of nuclear power plants (GEN-IV) in the fast-neutron energy domain.
doi: 10.1103/PhysRevC.92.044606
2014BE28 Nucl.Data Sheets 119, 104 (2014) R.Bevilacqua, F.-J.Hambsch, R.Bencardino, G.Giorginis, M.Vidali, L.Lamia, I.Ruskov 10B and 6Li Nuclear Data Measurements for Incident Neutron Energies up to 3 MeV NUCLEAR REACTIONS 6Li(n, t), E=0.4-2.8 MeV; measured reaction products. Data under analysis. 10B(n, α), E=1 keV-3 MeV; measured Eα, Iα; deduced σ(θ), α-decay transitions, α branching ratios to ground and first excited state.
doi: 10.1016/j.nds.2014.08.029
2014GO28 Phys.Rev. C 90, 064611 (2014) A.Gook, F.-J.Hambsch, M.Vidali Prompt neutron multiplicity in correlation with fragments from spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); measured fission fragments and integral prompt-fission neutron spectra, n(fission fragment)-coin, distribution of fission fragments as a function of cos(θ) value, time-of-flight spectrum; deduced fission-fragment yield as a function of pre-neutron mass and TKE, pre-neutron mass distribution, average TKE, prompt-fission-neutron angular distribution, average prompt-fission neutron multiplicity as a function of fission-fragment mass and TKE, average total neutron multiplicity of the pair of fragments as a function of TKE, average neutron energy, contour plot of prompt-fission neutron spectra as a function of the fragment mass number. Comparison with previous results.
doi: 10.1103/PhysRevC.90.064611
2014HA25 Nucl.Data Sheets 119, 38 (2014) F.-J.Hambsch, S.Oberstedt, A.Al-Adili, T.Brys, R.Billnert, C.Matei, A.Oberstedt, P.Salvador-Castineira, A.Tudora, M.Vidali Fission Fragment Yield, Cross Section and Prompt Neutron and Gamma Emission Data from Actinide Isotopes NUCLEAR REACTIONS 234,238U(n, F), E=0.2-5 MeV; measured fission fragments; deduced yields, prompt fission neutron multiplicity. Compared with evaluations and available data. 242Pu(n, F), E=0-3 MeV; measured fission fragments;deduced fission σ.Compared with evaluations and available data. RADIOACTIVITY 252Cf(SF); measured prompt fission Eγ, Iγ; deduced γ-ray spectrum. Compared to other data and evaluations.
doi: 10.1016/j.nds.2014.08.012
2014OB04 Nucl.Data Sheets 119, 225 (2014) S.Oberstedt, R.Billnert, T.Belgya, R.Borcea, T.Brys, W.Geerts, A.Gook, F.-J.Hambsch, Z.Kish, T.Martinez Perez, A.Oberstedt, L.Szentmiklosi, M.Vidali New Prompt Fission γ-ray Data in Response to the OECD/NEA High Priority Request RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ using LaBr3(Ce); deduced prompt γ ray emission spectrum, γ-ray multiplicity. Compared with data and ENDF/B-VII.0. NUCLEAR REACTIONS 235U(n, F), E=thermal; measured Eγ, Iγ using LaBr3(Ce); deduced prompt γ ray emission spectrum, γ-ray multiplicity. Compared with data and ENDF/B-VII.0.
doi: 10.1016/j.nds.2014.08.062
2014OB05 Phys.Rev. C 90, 024618 (2014) S.Oberstedt, R.Billnert, T.Belgya, T.Brys, W.Geerts, C.Guerrero, F.-J.Hambsch, Z.Kis, A.Moens, A.Oberstedt, G.Sibbens, L.Szentmiklosi, D.Vanleeuw, M.Vidali High-precision prompt-γ-ray spectral data from the reaction 241Pu(nth, f) NUCLEAR REACTIONS 241Pu(n, F), E=thermal; measured prompt fission Eγ, Iγ (PFGS) at 10 MW research reactor of the Budapest Neutron Centre; deduced γ-ray multiplicity, average and total γ energy. Comparison with ENDF/B-VII.1 evaluation. Discussed underestimation of the prompt-γ heating in nuclear reactors.
doi: 10.1103/PhysRevC.90.024618
2014SA47 Nucl.Data Sheets 119, 55 (2014) P.Salvador-Castineira, T.Brys, F.-J.Hambsch, S.Oberstedt, C.Pretel, M.Vidali Neutron-induced Fission Cross Section of 240, 242Pu up to Enn = 3 MeV NUCLEAR REACTIONS 240,242Pu(n, F), E=0.2-3 MeV; measured fission fragments using TFGIC (Twin-Frisch Grid Ionization Chamber), fragment α-decay using wave-form digitizers; deduced σ, T1/2. Preliminary. Compared with ENDF/B-VII.0, ENDF/B-VII.1, JEFF-3.1, JENDL-4.0.
doi: 10.1016/j.nds.2014.08.017
2013OB02 Phys.Rev. C 87, 051602 (2013) A.Oberstedt, T.Belgya, R.Billnert, R.Borcea, T.Brys, W.Geerts, A.Gook, F.-J.Hambsch, Z.Kis, T.Martinez, S.Oberstedt, L.Szentmiklosi, K.Takacs, M.Vidali Improved values for the characteristics of prompt-fission γ-ray spectra from the reaction 235U(nth, f) NUCLEAR REACTIONS 235U(n, F), E=thermal; measured prompt Eγ, Iγ, fission fragments, γγ-, (fragment)γ-coin, time-of-flight, γ-ray multiplicity at KFKI, Budapest facility; deduced average emission yield of prompt-fission γ rays. Comparison with evaluated data in ENDF/B-VII.1, and previous experimental results.
doi: 10.1103/PhysRevC.87.051602
2013SA65 Phys.Rev. C 88, 064611 (2013) P.Salvador-Castineira, T.Brys, R.Eykens, F.-J.Hambsch, A.Moens, S.Oberstedt, G.Sibbens, D.Vanleeuw, M.Vidali, C.Pretel Highly accurate measurements of the spontaneous fission half-life of 240, 242Pu RADIOACTIVITY 240,242Pu(SF); measured fission fragments by Atwin Frisch-grid ionization chamber (TFGIC) at JRC-IRMM facility, T1/2 for SF decay mode. Comparison with previous measurements and evaluations. GEANT4 simulations. Relevance to improved neutron-induced fission cross sections of 240,242Pu in the fast neutron spectrum range.
doi: 10.1103/PhysRevC.88.064611
2013SA68 Phys. Procedia 47, 150 (2013) P.Salvador-Castineira, R.Bevilacqua, T.Brys, F.-J.Hambsch, S.Oberstedt, C.Pretel, M.Vidali Measurement of the 240, 242Pu Neutron-induced Fission Cross Sections NUCLEAR REACTIONS 240,242Pu(n, F), E=0.0002-3 MeV; measured fission products; deduced σ. Comparison with ENDF/B-VII.0, ENDF/B-VII.1, JEFF-3.1, JENDL-4.0 libraries. RADIOACTIVITY 240,242Pu(α), (SF); measured decay products, Eα, Iα; deduced spontaneous fission T1/2.
doi: 10.1016/j.phpro.2013.06.022
2010HA36 J.Phys.:Conf.Ser. 205, 012049 (2010) F.J.Hambsch, I.Ruskov, M.Vidali The 10B(n, α0)7Li and 10B(n, α1γ)7Li alpha-particle angular distributions, branching ratios and cross-sections measurements for En < 3 MeV
doi: 10.1088/1742-6596/205/1/012049
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