NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.Lebois Found 43 matches. 2024LE05 Phys.Rev.Lett. 132, 132501 (2024) M.Le Joubioux, H.Savajols, W.Mittig, X.Flechard, L.Hayen, Yu.E.Penionzhkevich, D.Ackermann, C.Borcea, L.Caceres, P.Delahaye, F.Didierjean, S.Franchoo, A.Grillet, B.Jacquot, M.Lebois, X.Ledoux, N.Lecesne, E.Lienard, S.Lukyanov, O.Naviliat-Cuncic, J.Piot, A.Singh, V.Smirnov, C.Stodel, D.Testov, D.Thisse, J.C.Thomas, D.Verney Search for a Neutron Dark Decay in 6He RADIOACTIVITY 6He(α), (2n), (n); measured decay products, En, In. 1NN; deduced a coincident neutron signal resulted in an upper limit on a dark decay branching ratio, an upper bound on a dark neutron branching ratio. The Grand Accelerateur National d'Ions Lourds (GANIL) SPIRAL1 facility.
doi: 10.1103/PhysRevLett.132.132501
2023GJ01 Phys.Rev. C 108, 064602 (2023) D.Gjestvang, J.N.Wilson, A.Al-Adili, S.Siem, Z.Gao, J.Randrup, D.Thisse, M.Lebois, N.Jovancevic, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, E.Adamska, P.Adsley, A.Algora, C.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, S.Ziliani Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments
doi: 10.1103/PhysRevC.108.064602
2023MI18 Phys.Rev. C 108, 054608 (2023) K.Miernik, A.Korgul, W.Poklepa, J.N.Wilson, G.Charles, S.Czajkowski, P.Czyz, A.Fijalkowska, L.M.Fraile, P.Garczynski, K.Hauschild, C.Hiver, T.Kurtukian-Nieto, M.Lebois, M.Llanos, A.Lopez-Martens, K.M.Deby Treasa, J.Ljungvall, I.Matea, J.Mielczarek, J.R.Murias, G.Pasqualato, A.Skruch, K.Solak, K.Stoyachev, I.Tsekhanovich Fission of 215Fr studied with γ spectroscopic methods
doi: 10.1103/PhysRevC.108.054608
2023TH05 Eur.Phys.J. A 59, 153 (2023) D.Thisse, M.Lebois, D.Verney, J.N.Wilson, N.Jovancevic, M.Rudigier, R.Canavan, D.Etasse, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, R.-B.Gerst, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, J.Hommet, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, W.Poklepa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Soderstrom, K.Solak, C.Surder, G.Tocabens, V.Vedia, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Study of N = 50 gap evolution around Z = 32: new structure information for 82Ge NUCLEAR REACTIONS 232Th(n, F)84Se/82Ge, E fast; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme. Comparison with available data. LICORNE directional neutron source at the ALTO facility of IJCLab.
doi: 10.1140/epja/s10050-023-01051-2
2022GU09 Phys.Rev. C 106, 014306 (2022) V.Guadilla, L.Le Meur, M.Fallot, J.A.Briz, M.Estienne, L.Giot, A.Porta, A.Cucoanes, T.Shiba, A.-A.Zakari-Issoufou, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, I.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, A.A.Sonzogni Total absorption γ-ray spectroscopy of the β decays of 96gs, mY RADIOACTIVITY 96,96mY(β-)[from U(p, F), followed by separation of fragments using IGISOL-JYFLTRAP double Penning trap system]; measured Eγ, Iγ, total absorption γ-spectrum (TAGS), βγ-coin using 18 NaI(Tl) crystals and a thin plastic β detector, fission products 96Sr, 96Y and 96mY, conversion electrons from the E0 g.s. transition from the 0+ excited state in 96Zr; deduced electron spectrum from a Monte Carlo simulation, experimental module-multiplicity-gated TAGS spectra, β-feedings to the g.s. and excited levels in 96Zr listed in the Supplemental Material of the paper, average γ , β, and conversion electron energies. Comparison with β feedings in the 96Y and 96mY decay datasets in the ENSDF database. Comparison of average γ , β, and conversion electron energies with those in the ENDF/B-VII.1 and JEFF-3.3 databases. 235U; deduced reactor antineutrino spectrum. 96mY; deduced as a major contributor to reactor decay heat in uranium-plutonium and thorium-uranium fuels around 10 s after fission pulses from reactor summation calculations.
doi: 10.1103/PhysRevC.106.014306
2021HA13 Phys.Rev. C 103, 034317 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, J.Jolie, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, J.Ljungvall, A.Lopez-Martens, I.Matea, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani Spectroscopy and lifetime measurements in 134, 136, 138Te isotopes and implications for the nuclear structure beyond N = 82 NUCLEAR REACTIONS 238U(n, F)134Te/136Te/138Te, E AP 1.7 MeV; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+ and 6+ states in 134,136,138Te and (12+) isomer in 134Te by γγ(t) fast timing technique using HPGe and LaBr3(Ce) detectors at the ALTO facility of IJCLab with the LICORNE neutron source and the hybrid ν-ball spectrometer. 134,136,138Te; deduced levels, J, π, B(E2), mixed symmetry state, configurations. Comparison with previous measurements, and with state-of-the-art shell-model calculations. NUCLEAR STRUCTURE 134,136,138Te; calculated levels, J, π for 136,138Te, decomposition of the wave functions for several yrast states in all three nuclides. Large-scale shell-model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034317
2021HA28 Phys.Rev. C 104, 014316 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani First lifetime investigations of N ≥ 82 iodine isotopes: The quest for collectivity NUCLEAR REACTIONS 238U(n, F)135I/137I/139I, E ∼ 1.7 MeV from LICORNE neutron source at the ALTO facility of IJCLab; measured Eγ, Iγ, γγ-coin, level T1/2 by γγ(t) using ν-ball spectrometer of HPGe and LaBr3(Ce) detectors. 135,137,139I; deduced high-spin levels, J, π, B(E2), B(M1), B(E3), configurations; calculated occupations for the most prominent proton or neutron-proton configurations. Comparison with previous experimental data, and with large scale shell-model (LSSM) calculations using N3LOP (SM-I) and Kuo-Herling (SM-II) effective interactions. Systematics of B(E2) for yrast states of 134,136,138Te and 135,137,139I.
doi: 10.1103/PhysRevC.104.014316
2021TE02 Eur.Phys.J. A 57, 59 (2021) D.A.Testov, A.P.Severyukhin, B.Roussiere, N.Arsenyev, F.Ibrahim, M.Lebois, I.Matea, Yu.Penionzhkevich, V.Smirnov, E.Sokol, I.Stefan, D.Susuki, D.Verney, J.Wilson Study of 123Ag β-decay at ALTO RADIOACTIVITY 123Ag(β-), (β-n) [from U(γ, F), E<50 MeV]; measured decay products, Eγ, Iγ, En, In; deduced γ-ray energies and intensities, T1/2, β-delayed neutron emission branching.
doi: 10.1140/epja/s10050-021-00368-0
2021WI12 Nature(London) 590, 566 (2021) J.N.Wilson, D.Thisse, M.Lebois, N.Jovancevic, D.Gjestvang, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, L.Gaudefroy, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Suderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Angular momentum generation in nuclear fission NUCLEAR REACTIONS 232Th(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82,84Ge, 84,86,88Se, 88,90,92,94Kr, 92,94,96,98Sr, 98,100Zr, 130,132Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 233Th. NUCLEAR REACTIONS 238U(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82Ge, 84,86,88Se, 88,90,92,94Kr, 94,96,98Sr, 98,100,102,104Zr, 102,104Mo, 130,132,134Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146,148Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 239U. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, TOF. 94,96,98Sr, 98,100,102,104Zr, 102,104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 130,132Sn, 134,136Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce, 152,154Nd; deduced average J, 0+ side-feeding, fission yields, dependence of average spin on fragment mass. Comparison with statistical theory.
doi: 10.1038/s41586-021-03304-w
2020AD05 Acta Phys.Pol. B51, 843 (2020) E.Adamska, A.Korgul, A.Fijalkowska, K.Miernik, M.Piersa, R.Canavan, D.Etasse, N.Jovancevic, M.Lebois, M.Rudigier, D.Thisse, J.N.Wilson, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, A.Blazhev, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, M.Ciemala, S.Collins, L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Koseoglou, T.Kroll, T.Kurtukian Nieto, L.Le-Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, J.Nemer, S.Oberstedt, W.Paulsen, Y.Popovitch, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, M.Yavahchova, F.Zeiser γ-ray Spectroscopy of 85Se Produced in 232Th Fission
doi: 10.5506/APhysPolB.51.843
2020CA03 Phys.Rev. C 101, 024313 (2020) R.L.Canavan, M.Rudigier, P.H.Regan, M.Lebois, J.N.Wilson, N.Jovancevic, P.-A.Soderstrom, S.M.Collins, D.Thisse, J.Benito, S.Bottoni, M.Brunet, N.Cieplicka-Orynczak, S.Courtin, D.T.Doherty, L.M.Fraile, K.Hadynska-Klek, G.Hafner, M.Heine, L.W.Iskra, V.Karayonchev, A.Kennington, P.Koseoglou, G.Lotay, G.Lorusso, M.Nakhostin, C.R.Nita, S.Oberstedt, Zs.Podolyak, L.Qi, J.-M.Regis, V.Sanchez-Tembleque, R.Shearman, V.Vedia, W.Witt Half-life measurements in 164, 166Dy using γ-γ fast-timing spectroscopy with the ν-Ball spectrometer NUCLEAR REACTIONS 164Dy(18O, 18O'), E=71, 76, 80 MeV pulsed beam; 164Dy(18O, 16O)166Dy, E=78 MeV; measured Eγ, Iγ, level half-lives by γγ(t) fast-timing triple coincidence method using ν-Ball with 24 HPGe clover detectors, ten coaxial HPGe detectors, and 20 LaBr3 detectors. 164,166Dy; deduced levels, J, π, B(E2), β2 and transition quadrupole moments. Comparison with values for 164Dy in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.101.024313
2020GE11 Phys.Rev. C 102, 064323 (2020) R.-B.Gerst, A.Blazhev, N.Warr, J.N.Wilson, M.Lebois, N.Jovancevic, D.Thisse, R.Canavan, M.Rudigier, D.Etasse, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, B.Wasilewska, J.Wiederhold, M.Yavachova, F.Zeiser, S.Ziliani Prompt and delayed γ spectroscopy of neutron-rich 94Kr and observation of a new isomer NUCLEAR REACTIONS 238U(n, F), E=fast neutrons from 1H(7Li, 7Be)n, E=16 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, half-life of a new isomer in 94Kr using the ν-Ball array of 24 HPGe Clover detectors, 10 coaxial HPGe detectors, all with BGO Compton shielding, and 20 LaBr3 detectors at the ALTO facility of IPN-Orsay. 94Kr; deduced levels, J, π, isomer, B(E1), B(E2), ground-state band up to 10+, two-quasiparticle neutron state for the isomer consistent with Gogny CHFB calculations. Comparison with level schemes of 92Se and 96Sr.
doi: 10.1103/PhysRevC.102.064323
2020GU26 Phys.Rev. C 102, 064304 (2020) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.A.Briz, A.Cucoanes, M.Estienne, M.Fallot, L.Le Meur, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, E.Nacher, A.A.Sonzogni Determination of β-decay ground state feeding of nuclei of importance for reactor applications RADIOACTIVITY 95Rb, 100,102mNb, 100,103Tc, 137I, 140Cs(β-); measured total absorption gamma spectra (TAGS) and 4πγ-β-coin using 18-fold segmented NaI(Tl) Decay Total Absorption γ-ray Spectrometer (DTAS), and a thick plastic scintillation detector for β radiation at the Ion Guide Isotope Separator On-Line (IGISOL) IV facility of the University of Jyvaskyla; deduced β- feeding to the ground states of daughter nuclei from TAGS as well as 4πγ-β-coin methods, and compared with evaluated data in the ENSDF database, and contribution to the reactor antineutrino spectra of 235U and 239Pu at different energies using the Nantes summation method. 87,88Br, 94Rb(β-); previously measured TAGS data used to standardize analysis procedures and determine various correction factors.
doi: 10.1103/PhysRevC.102.064304
2020OB02 Eur.Phys.J. A 56, 236 (2020) A.Oberstedt, M.Lebois, S.Oberstedt, L.Qi, J.N.Wilson Prompt γ-ray characteristics from 235U(n, f) at E(bar)n = 1.7 MeV NUCLEAR REACTIONS 235U(n, F), E=1.7 MeV; measured fission products, Eγ, Iγ; deduced prompt fission γ-ray spectra, yields. Comparison with available data.
doi: 10.1140/epja/s10050-020-00246-1
2020QI01 Eur.Phys.J. A 56, 98 (2020) L.Qi, C.Schmitt, M.Lebois, A.Oberstedt, S.Oberstedt, J.N.Wilson, A.Al-Adili, A.Chatillon, D.Choudhury, A.Gatera, G.Georgiev, A.Gook, B.Laurent, A.Maj, I.Matea, S.J.Rose, B.Wasilewska, F.Zeiser Potential of prompt γ-ray ay emission studies in fast-neutron induced fission: a first step
doi: 10.1140/epja/s10050-020-00108-w
2020RU01 Phys.Lett. B 801, 135140 (2020) M.Rudigier, P.M.Walker, R.L.Canavan, Zs.Podolyak, P.H.Regan, P.-A.Soderstrom, M.Lebois, J.N.Wilson, N.Jovancevic, A.Blazhev, J.Benito, S.Bottoni, M.Brunet, N.Cieplicka-Orynczak, S.Courtin, D.T.Doherty, L.M.Fraile, K.Hadynska-Klek, M.Heine, L.W.Iskra, J.Jolie, V.Karayonchev, A.Kennington, P.Koseoglou, G.Lotay, G.Lorusso, M.Nakhostin, C.R.Nita, S.Oberstedt, L.Qi, J.-M.Regis, V.Sanchez-Tembleque, R.Shearman, W.Witt, V.Vedia, K.O.Zell Multi-quasiparticle sub-nanosecond isomers in 178W NUCLEAR REACTIONS 164Dy(18O, 4n), E71, 76, 80 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, isomeric T1/2. Fast-timing techniques.
doi: 10.1016/j.physletb.2019.135140
2019GU03 Phys.Rev.Lett. 122, 042502 (2019) V.Guadilla, A.Algora, J.L.Tain, M.Estienne, M.Fallot, A.A.Sonzogni, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Large Impact of the Decay of Niobium Isomers on the Reactor ν-bare Summation Calculations RADIOACTIVITY 100,102Nb(β-); measured decay products, Eγ, Iγ. 239,241Pu, 235,238U; deduced β-intensity distributions, potential impact on reactor antineutrino spectra as a function of energy.
doi: 10.1103/PhysRevLett.122.042502
2019GU20 Phys.Rev. C 100, 024311 (2019) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, P.Sarriguren, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Total absorption γ-ray spectroscopy of niobium isomers RADIOACTIVITY 100,100m,102,102mNb, 100,102Zr, 103Tc(β-)[from U(p, F), E=25 MeV at the IGISOL facility and JYFLTRAP double Penning trap system at the university of Jyvaskyla]; measured Eγ, Iγ, Eβ, βγ-coin, total absorption γ spectrum using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced average γ and β energies, impact on antineutrino spectrum summation calculations. Comparison with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1 databases. 100,100mNb, 102Nb(β-); deduced absolute γ-intensities deexciting the main levels in 100,102Mo, and compared to data in the ENSDF database.
doi: 10.1103/PhysRevC.100.024311
2019GU29 Phys.Rev. C 100, 044305 (2019) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, M.Estienne, M.Fallot, L.Le Meur, J.A.Briz, A.Cucoanes, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, A.A.Sonzogni, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez Total absorption γ-ray spectroscopy of the β-delayed neutron emitters 137I and 95Rb RADIOACTIVITY 95Rb, 137I(β-), (β-n)[from U(p, X), E=25 MeV, and separated using IGISOL separator and JYFL trap at Jyvaskyla]; measured Eγ, Iγ, total-absorption γ (TAGS) spectra, β-gated TAGS spectra using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced β-intensity distributions, absolute γ intensities per 100 decays for the main levels populated in daughter nuclei, integral Iβγ or Pγ values above S(n), competition of γ and neutron emissions above S(n) and compared with Hauser-Feshbach calculations, average γ and β energies; evaluated impact of the present results on reactor antineutrino summation calculations. Comparison with previous experimental data, and with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1.
doi: 10.1103/PhysRevC.100.044305
2019JO08 Acta Phys.Pol. B50, 297 (2019) N.Jovancevic, M.Lebois, J.N.Wilson, D.Thisse, L.Qi, I.Matea, F.Ibrahim, D.Verney, M.Babo, C.Delafosse, F.Adsley, G.Tocabens, A.Gottardo, Y.Popovitch, J.Nemer, R.Canavan, M.Rudigier, K.Belvedere, A.Boso, P.Regan, Zs.Podolyak, R.Shearman, M.Bunce, P.Inavov, S.Oberstedt, A.Lopez-Martens, K.Hauschild, J.Ljungvall, R.Chakma, R.Lozeva, P.-A.Soderstrom, A.Oberstedt, D.Etasse, D.Ralet, A.Blazhev, R.-B.Gerst, G.Hafner, N.Cieplicka-Orynczak, L.Iskra, B.Fornal, G.Benzoni, S.Leoni, S.Bottoni, C.Henrich, P.Koseoglou, J.Wiederhold, I.Homm, C.Surder, T.Kroll, D.Knezevic, A.Dragic, L.Cortes, N.Warr, K.Miernik, E.Adamska, M.Piersa, K.Rezynkina, L.Fraile, J.Benito Garcia, V.Sanchez, A.Algora, P.Davies, V.Guadilla-Gomez, M.Fallot, T.Kurtukian-Nieto, C.Schmitt, M.Heine, D.Reygadas Tello, M.Yavachova, M.Diakaki, F.Zeiser, W.Paulson, D.Gestvang Spectroscopy of Neutron Induced Reactions with the ν-ball Spectrometer
doi: 10.5506/aphyspolb.50.297
2019LE22 Acta Phys.Pol. B50, 425 (2019) M.Lebois, N.Jovancevic, J.N.Wilson, D.Thisse, R.Canavan, M.Rudigier The ν-ball Campaign at ALTO
doi: 10.5506/aphyspolb.50.425
2019RU06 Acta Phys.Pol. B50, 661 (2019) M.Rudigier, R.L.Canavan, P.H.Regan, P.-A.Soderstrom, M.Lebois, J.N.Wilson, N.Jovancevic, S.Bottoni, M.Brunet, N.Cieplicka-Orynczak, S.Courtin, D.T.Doherty, K.Hadynska-Klek, M.Heine, L.W.Iskra, V.Karayonchev, A.Kennington, P.Koseoglou, G.Lotay, G.Lorusso, M.Nakhostin, C.R.Nita, S.Oberstedt, Zs.Podolyak, L.Qi, J.-M.Regis, R.Shearman, P.M.Walker, W.Witt Isomer Spectroscopy and Sub-nanosecond Half-live Determination in 178W Using the NuBALL Array NUCLEAR REACTIONS 164Dy(18O, 4n), E=71, 76, 80 MeV; measured reaction products, Eγ, Iγ, γγ-coin; deduced γ-ray energies, J, π, isomeric T1/2, B(E2), intrinsic quadrupole moments. Centroid-shift method. NuBALL array of 24Compton suppressed HPGe Clover detectors, 10 Compton suppressed coaxial HPGe detectors and 20 LaBr3(Ce) scintillators.
doi: 10.5506/aphyspolb.50.661
2018QI06 Phys.Rev. C 98, 014612 (2018) L.Qi, M.Lebois, J.N.Wilson, A.Chatillon, S.Courtin, G.Fruet, G.Georgiev, D.G.Jenkins, B.Laurent, L.Le Meur, A.Maj, P.Marini, I.Matea, L.Morris, V.Nanal, P.Napiorkowski, A.Oberstedt, S.Oberstedt, C.Schmitt, O.Serot, M.Stanoiu, B.Wasilewska Statistical study of the prompt-fission γ-ray spectrum for 238U (n, f) in the fast-neutron region NUCLEAR REACTIONS 238U(n, F), E=1.9, 4.8 MeV fast neutrons from LICORNE directional neutron source; measured fission fragments, Eγ, Iγ, prompt-fission γ-ray spectra (PFGS), (fission events)γ-coin, and neutron time-of-flight using ionization chamber for fission detection, and PARIS array of fast scintillation detectors for γ detection at ALTO-IPN Orsay, using 252Cf(SF) as reference to validate experimental setup; deduced prompt fission γ multiplicity, average total Eγ. Comparison with previous experimental values, and with theoretical predictions from PbP, GEF, and FREYA fission models.
doi: 10.1103/PhysRevC.98.014612
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
2017GO14 Phys.Lett. B 772, 359 (2017) A.Gottardo, D.Verney, I.Deloncle, S.Peru, C.Delafosse, S.Roccia, I.Matea, C.Sotty, C.Andreoiu, C.Costache, M.-C.Delattre, A.Etile, S.Franchoo, C.Gaulard, J.Guillot, F.Ibrahim, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, M.Martini, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, B.Roussiere, L.Stan, D.Testov, J.Wilson, D.T.Yordanov Unexpected high-energy γ emission from decaying exotic nuclei RADIOACTIVITY 80,83Ga(β-); measured decay products, Eγ, Iγ; deduced γ-ray emissions, B(E1), GT β-decay and E1 strength distributions. Comparison with microscopic Gogny-QRPA calculations.
doi: 10.1016/j.physletb.2017.06.050
2017GU07 Acta Phys.Pol. B48, 529 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Study of the β Decay of Fission Products with the DTAS Detector RADIOACTIVITY 103Mo, 103Tc(β-)[from U(p, f) reaction]; measured β-decay of both nuclei using DTAS (segmented Decay Total Absorption Gamma-Ray Spectrometer) detector;deduced mean γ-decay and β-decay energy, new β intensity (at high-energy end) not detected in previous measurements with Ge detectors. Mean energies compared with ENSDF.
doi: 10.5506/APhysPolB.48.529
2017GU17 Phys.Rev. C 96, 014319 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Suhonen, O.Civitarese, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, I.Moore, E.Nacher, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Experimental study of 100Tc β decay with total absorption γ-ray spectroscopy RADIOACTIVITY 100Tc(β-)[from 100Mo(p, n), E=8 MeV]; measured Eγ, Iγ, β spectrum using a vase-shaped plastic scintillator, βγ-coin, total absorption TAGS γ spectra using Decay Total Absorption γ-ray Spectrometer (DTAS), IGISOL-IV mass separator and JYFLTRAP Penning trap at the University of Jyvaskyla cyclotron facility; deduced β-intensity distribution extracted from the TAGS analysis, β feedings to g.s. and excited states of 100Ru, logft. Comparison with high-resolution decay data in the ENSDF database at NNDC-BNL, and with quasiparticle random-phase approximation calculations. Benchmark for calculations of the double β decay of 100Mo.
doi: 10.1103/PhysRevC.96.014319
2017WI02 Acta Phys.Pol. B48, 395 (2017) J.N.Wilson, M.Lebois, L.Qi, P.Amador-Celdran, D.Bleuel, J.A.Briz, R.Carroll, W.Catford, H.De Witte, D.Doherty, R.Eloirdi, G.Georgiev, A.Gottardo, A.Goasduff, K.Hadynska-Klek, K.Hauschild, M.Hess, V.Ingeberg, T.Konstantinopoulos, J.Ljungvall, A.Lopez-Martens, G.Lorusso, R.Lozeva, R.Lutter, P.Marini, I.Matea, T.Materna, L.Mathieu, A.Oberstedt, S.Oberstedt, S.Panebianco, Z.Podolyak, A.Porta, P.H.Regan, P.Reiter, K.Rezynkina, S.J.Rose, E.Sahin, M.Seidlitz, R.Shearman, B.Siebeck, S.Siem, A.G.Smith, G.M.Tveten, D.Verney, N.Warr, F.Zeiser, M.Zielinska Production and Study of Neutron-rich Nuclei Using the LICORNE Directional Neutron Source NUCLEAR REACTIONS 238U(n, f), E≈threshold; measured Eγ, Iγ, γγ-coin.
doi: 10.5506/APhysPolB.48.395
2017WI09 Phys.Rev.Lett. 118, 222501 (2017) J.N.Wilson, M.Lebois, L.Qi, P.Amador-Celdran, D.Bleuel, J.A.Briz, R.Carroll, W.Catford, H.De Witte, D.T.Doherty, R.Eloirdi, G.Georgiev, A.Gottardo, A.Goasduff, K.Hadynska-Klek, K.Hauschild, H.Hess, V.Ingeberg, T.Konstantinopoulos, J.Ljungvall, A.Lopez-Martens, G.Lorusso, R.Lozeva, R.Lutter, P.Marini, I.Matea, T.Materna, L.Mathieu, A.Oberstedt, S.Oberstedt, S.Panebianco, Zs.Podolyak, A.Porta, P.H.Regan, P.Reiter, K.Rezynkina, S.J.Rose, E.Sahin, M.Seidlitz, O.Serot, R.Shearman, B.Siebeck, S.Siem, A.G.Smith, G.M.Tveten, D.Verney, N.Warr, F.Zeiser, M.Zielinska Anomalies in the Charge Yields of Fission Fragments from the 238U(n, f) Reaction NUCLEAR REACTIONS 238U(n, F), E fast; measured fission products, Eγ, Iγ. 141Te, 104Sr; deduced fission yields, charge yields of even-Z elements. Comparison with JEFF-3.1, ENDF/B-VII.1 evaluated nuclear data libraries.
doi: 10.1103/PhysRevLett.118.222501
2016DU18 Phys.Rev. C 94, 024614 (2016) Q.Ducasse, B.Jurado, M.Aiche, P.Marini, L.Mathieu, A.Gorgen, M.Guttormsen, A.C.Larsen, T.Tornyi, J.N.Wilson, G.Barreau, G.Boutoux, S.Czajkowski, F.Giacoppo, F.Gunsing, T.W.Hagen, M.Lebois, J.Lei, V.Meot, B.Morillon, A.M.Moro, T.Renstrom, O.Roig, S.J.Rose, O.Serot, S.Siem, I.Tsekhanovich, G.M.Tveten, M.Wiedeking Investigation of the 238U (d, p) surrogate reaction via the simultaneous measurement of γ-decay and fission probabilities NUCLEAR REACTIONS 238U(d, p)239U*, E=15 MeV; measured particle spectra Eγ, Iγ, (proton)γ- and (proton)(fission events)-coin using ΔE/E silicon telescope SiRi for particles and CACTUS array for γ rays at Oslo Cyclotron Laboratory; corrected data using continuum-discretized coupled channels calculations for elastic breakup, and DWBA for inelastic breakup; deduced excitation energy of 239U versus detected γ-ray energy, ratio between the γ-coincidence and the singles spectra, average angular momentum, γ-decay and fission probabilities as function of excitation energy and compared with JENDL 4.0, ENDF-B/VII.1 and JEFF 3.2 evaluated libraries, and corresponding neutron-induced data; calculated contributions to the total deuteron breakup process (TB) as a function of the excitation energy of 239U. Statistical model calculations for decay probabilities and average angular momentum.
doi: 10.1103/PhysRevC.94.024614
2016GO13 Phys.Rev.Lett. 116, 182501 (2016) A.Gottardo, D.Verney, C.Delafosse, F.Ibrahim, B.Roussiere, C.Sotty, S.Roccia, C.Andreoiu, C.Costache, M.-C.Delattre, I.Deloncle, a.Etile, S.Franchoo, c.Gaulard, J.Guillot, M.Lebois, M.MacCormick, N.Marginean, R.Marginean, I.Matea, C.Mihai, I.Mitu, L.Olivier, C.Portail, L.Qi, L.Stan, D.Testov, J.Wilson, D.T.Yordanov First Evidence of Shape Coexistence in the 78Ni Region: Intruder 0+2 State in 80Ge RADIOACTIVITY 80Ga(β-) [from U(E, X), E=50 MeV]; measured decay products, Eβ, Iβ, Eγ, Iγ; deduced intruder state energy, T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.182501
2016GU22 Nucl.Instrum.Methods Phys.Res. B376, 334 (2016) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, D.Cano-Ott, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.Orrigo, H.Penttila, Zs.Podolyak, I.Pohjalainen, A.Porta, P.Regan, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou First experiment with the NUSTAR/FAIR Decay Total Absorption γ-Ray Spectrometer (DTAS) at the IGISOL IV facility RADIOACTIVITY 137I(β-n); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced mean β- and γ-ray energies, branching ratios. Comparison with ENSDF library.
doi: 10.1016/j.nimb.2015.12.018
2016LA02 Phys.Rev. C 93, 014323 (2016); Pub.Note Phys.Rev. C 100, 039901 (2019) T.A.Laplace, F.Zeiser, M.Guttormsen, A.C.Larsen, D.L.Bleuel, L.A.Bernstein, B.L.Goldblum, S.Siem, F.L.Bello Garotte, J.A.Brown, L.C.Campo, T.K.Eriksen, F.Giacoppo, A.Gorgen, K.Hadynska-Klek, R.A.Henderson, M.Klintefjord, M.Lebois, T.Renstrom, S.J.Rose, E.Sahin, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.N.Wilson, W.Younes Statistical properties of 243Pu, and 242Pu(n, γ) cross section calculation NUCLEAR REACTIONS 242Pu(d, p), E=12 MeV; measured Eγ, particle spectra, (particle)γ-coin using CACTUS γ-spectrometer and SiRi (Silicon Ring) for particle detection at Oslo Cyclotron Laboratory; deduced γ-strength functions (γSF) in the quasicontinuum using the Oslo method, level density, centroid energy, strength and γSF of M1-scissors resonance, sum-rule estimates. 242Pu(n, γ), E=0.001-5 MeV; calculated σ(n, γ) using TALYS and level density and γSF parameters from the present work. Comparison with published data, and ENDF/B-VII.1, JENDL-4.0 and TENDL2014.
doi: 10.1103/PhysRevC.93.014323
2015LE12 Phys.Rev. C 92, 034618 (2015) M.Lebois, J.N.Wilson, P.Halipre, A.Oberstedt, S.Oberstedt, P.Marini, C.Schmitt, S.J.Rose, S.Siem, M.Fallot, A.Porta, A.-A.Zakari Comparative measurement of prompt fission γ-ray emission from fast-neutron-induced fission of 235U and 238U NUCLEAR REACTIONS 235U(n, F), E=1.73 MeV; 238U(n, F), E=2.07 MeV; measured prompt fission γ-ray (PFG) spectra using fast-neutron source LICORNE at the ALTO facility of the IPN-Orsay; deduced γ-multiplicity, total and average radiation energy, average photon energies. Monte Carlo N-particle (MCNP) simulations of all the components of the experimental setup.
doi: 10.1103/PhysRevC.92.034618
2015OB02 Eur.Phys.J. A 51, 178 (2015) S.Oberstedt, R.Billnert, F.-J.Hambsch, M.Lebois, A.Oberstedt, J.N.Wilson Future research program on prompt γ-ray emission in nuclear fission
doi: 10.1140/epja/i2015-15178-8
2014DU11 Nucl.Data Sheets 119, 233 (2014) Q.Ducasse, B.Jurado, M.Aiche, L.Mathieu, T.Tornyi, A.Gorgen, J.N.Wilson, G.Barreau, I.Companis, S.Czajkowski, F.Giacoppo, F.Gunsing, M.Guttormsen, A.C.Larsen, M.Lebois, J.Matarranz, T.Renstrom, S.Rose, S.Siem, I.Tsekhanovich, G.M.Tveten, T.W.Hagen, M.Wiedeking, O.Serot, G.Boutoux, P.Chau, V.Meot, O.Roig Neutron-induced Cross Sections of Actinides via the Surrogate-reaction Method NUCLEAR REACTIONS 238U(d, p), E=15 MeV;238U(3He, t), (3He, α), E=24 MeV; measured ejectiles, fission fragments, coincidences using SiRi detector and PPAC fission detectors, Eγ, Iγ using NaI CACTUS detectors. 238U(n, F), E*=5.55-7.25 MeV; deduced fission probability. 238U(n, γ), E*=4.65-5.9 MeV; deduced γ-decay probability using surrogate method. 238U(n, F), E*=4.8-7.25 MeV; calculated fission probability using TALYS. Preliminary. Fission probability compared with results of Cramer and Britt. Further analysis in progress.
doi: 10.1016/j.nds.2014.08.064
2014GU04 Phys.Rev. C 89, 014302 (2014) M.Guttormsen, L.A.Bernstein, A.Gorgen, B.Jurado, S.Siem, M.Aiche, Q.Ducasse, F.Giacoppo, F.Gunsing, T.W.Hagen, A.C.Larsen, M.Lebois, B.Leniau, T.Renstrom, S.J.Rose, T.G.Tornyi, G.M.Tveten, M.Wiedeking, J.N.Wilson Scissors resonance in the quasicontinuum of Th, Pa, and U isotopes NUCLEAR REACTIONS 232Th(d, d'), (d, p), E=12 MeV; 232Th(3He, 3He'), (3He, d), (3He, t), (3He, α), E=24 MeV; 238U(d, d'), (d, p), (d, t), E=15 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi particle telescope and CACTUS γ-detector array at Oslo cyclotron facility. 231,232,233Th, 232,233Pa, 237,238,239U; deduced γ strength functions in the quasicontinuum, low-energy M1 scissors resonance (SR), level densities using Oslo method Comparison with previous (γ, γ') experimental results, and with theoretical model calculations.
doi: 10.1103/PhysRevC.89.014302
2014LE01 Nucl.Instrum.Methods Phys.Res. A735, 145 (2014) M.Lebois, J.N.Wilson, P.Halipre, B.Leniau, I.Matea, A.Oberstedt, S.Oberstedt, D.Verney Development of a kinematically focused neutron source with the p(7Li, n)7Be inverse reaction NUCLEAR REACTIONS 1H(7Li, n), E=13.5, 15, 15.5, 16, 17 MeV; measured reaction products, En, In; deduced neutron σ(θ). Monte Carlo code validation of experimental data.
doi: 10.1016/j.nima.2013.07.061
2013GU27 Phys.Rev. C 88, 024307 (2013) M.Guttormsen, B.Jurado, J.N.Wilson, M.Aiche, L.A.Bernstein, Q.Ducasse, F.Giacoppo, A.Gorgen, F.Gunsing, T.W.Hagen, A.C.Larsen, M.Lebois, B.Leniau, T.Renstrom, S.J.Rose, S.Siem, T.Tornyi, G.M.Tveten, M.Wiedeking Constant-temperature level densities in the quasicontinuum of Th and U isotopes NUCLEAR REACTIONS 232Th(d, p), (d, d'), (d, t), E=12 MeV; 232Th(3He, 3He'), (3He, α), E=24 MeV; 238U(d, p), (d, d'), (d, t), E=15 MeV; measured (particle)γ-coin in the quasicontinuum region using SiRi particle detector array and CACTUS-γ detector system at Oslo cyclotron laboratory; deduced excitation energy vs Eγ distributions. 231,232,233Th, 237,238,239U; deduced level densities using the Oslo method, increase in level density for odd-A isotopes as compared to even-even isotopes, similar temperatures in the quasicontinuum. 237,238,239U; deduced entropy, excess of entropy for odd-A isotopes as compared to even-even neighbor, microcanonical temperature, heat capacity. Evidence for continuous melting of Cooper pairs from constant temperature behavior.
doi: 10.1103/PhysRevC.88.024307
2009LE26 Phys.Rev. C 80, 044308 (2009) M.Lebois, D.Verney, F.Ibrahim, S.Essabaa, F.Azaiez, M.C.Mhamed, E.Cottereau, P.V.Cuong, M.Ferraton, K.Flanagan, S.Franchoo, D.Guillemaud-Mueller, F.Hammache, C.Lau, F.Le Blanc, J.-F.Le Du, J.Libert, B.Mouginot, C.Petrache, B.Roussiere, L.Sagui, N.de Sereville, I.Stefan, B.Tastet Experimental study of 84Ga beta decay: Evidence for a rapid onset of collectivity in the vicinity of 78Ni RADIOACTIVITY 84gGa, 84mGa(β-), (β-n), 84Ge(β-)[from U(γ, X), E=0-50 MeV]; measured Eγ, Iγ, βγ-coin, half-lives. 84Ga, 84Ge, 84As, 83Ge; deduced levels, J, π, delayed-neutron emission probabilities, logft. 83Ge, 84As, 89,90,93,94,96Rb(β-); measured Eγ. PARRNe-ALTO facility. Implications for structure near doubly-magic 78Ni nucleus. Z=32-40 (even), N=52; N=42-54, Z=32; systematics of first 2+ and 4+ states. NUCLEAR STRUCTURE 74,76,78,80,82,84Ge; calculated potential energy surfaces (PES) and B(E2) using HFB+GCM approach.
doi: 10.1103/PhysRevC.80.044308
2009VE11 Int.J.Mod.Phys. E18, 1976 (2009) D.Verney, M.Lebois, F.Ibahim, S.Essabaa, F.Azaiez, M.C.Mhamed, E.Cottereau, P.V.Cuong, M.Ferraton, K.Flanagan, S.Franchoo, D.Guillemaud-Mueller, F.Hammache, C.Lau, F.Le Blanc, J.-F.Le Du, B.Mouginot, C.Petrache, B.Roussiere, L.Sagui, N.De Sereville, I.Stefan, B.Tastet Structure of the neutron rich Ga and Ge isotopes observed at alto RADIOACTIVITY 84Ga, 84Ge(β-); 84As, 83Ge; measured Eγ, Iγ; deduced level energies, J, π, β-n transitions.
doi: 10.1142/S0218301309014111
2008FE02 Eur.Phys.J. A 35, 167 (2008) M.Ferraton, R.Bourgain, C.M.Petrache, D.Verney, F.Ibrahim, N.de Sereville, S.Franchoo, M.Lebois, C.Phan Viet, L.Sagui, I.Stefan, J.F.Clavelin, M.Vilmay Lifetime measurement of the six-quasiparticle isomer in 140Nd and evidence for an isomer above the 19/2+ state in 139Nd NUCLEAR REACTIONS 126Te(18O, 4n), (18O, 5n), E=75 MeV; measured Eγ, Iγ, γγ-coin. 139,140Nd deduced level energies, J, π, T1/2. 27Al(18O, 2n), E=75 MeV; measured Eγ, Iγ. 43Sc; measured half-life of isomeric state. ALTO facility.
doi: 10.1140/epja/i2007-10534-y
2007IB01 Nucl.Phys. A787, 110c (2007) F.Ibrahim, D.Verney, M.Lebois, B.Roussiere, S.Essabaa, S.Franchoo, S.Gales, D.Guillemaud-Mueller, C.Lau, F.Le Blanc, J.F.Le Du, M.C.Mhamed, A.C.Mueller, J.Sauvage, and the ALTO Collaboration The ALTO facility at IPN Orsay and study of neutron rich nuclei in the vicinity of 78Ni NUCLEAR REACTIONS 238U(γ, F)78Zn/132Sn, E not given; measured fission fragment yields. ALTO facility. 238U(n, F)81Zn/83Ga, E not given; measured Eγ, Iγ, Eβ, Iβ, γγ-coin. 81Ga, 83Ge deduced levels, J, π. Online mass separator.
doi: 10.1016/j.nuclphysa.2006.12.021
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