NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = I.Companis Found 11 matches. 2018MA12 Phys.Scr. 93, 039701 (2018) G.Maquart, A.Astier, C.Ducoin, D.Guinet, O.Stezowski, L.Augey, L.Chaix, I.Companis, J.Dudouet, G.Lehaut, C.Mancuso, N.Redon, A.Vancraeyenest Retraction: Backbending in the 22390Th nucleus: presentation of the consistency of two different experiments NUCLEAR REACTIONS 208Pb(18O, 3n)223Th, E=85 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, J, π, yrast bands, sharp backbending occuring at the highest spins. Please see 2017MA12 and 2017MA24.
doi: 10.1088/1402-4896/aaa84f
2017MA12 Phys.Rev. C 95, 034304 (2017); Erratum Phys.Rev. C 98, 019902 (2018) G.Maquart, L.Augey, L.Chaix, I.Companis, C.Ducoin, J.Dudouet, D.Guinet, G.Lehaut, C.Mancuso, N.Redon, O.Stezowski, A.Vancraeyenest, A.Astier, F.Azaiez, S.Courtin, D.Curien, I.Deloncle, O.Dorvaux, G.Duchene, B.Gall, T.Grahn, P.Greenlees, A.Herzan, K.Hauschild, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, P.Petkov, P.Peura, M.-G.Porquet, P.Rahkila, S.Rinta-Antila, M.Rousseau, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo Backbending in the pear-shaped 22390Th nucleus: Evidence of a high-spin octupole to quadrupole shape transition in the actinides NUCLEAR REACTIONS 208Pb(18O, 3n), E=85 MeV; measured Eγ, Iγ, γγ-coin, angular distribution ADO ratios using EUROBALL IV array at IReS-Strasbourg Vivitron facility. 223Th; deduced high-spin levels, J, π, multipolarity, alternating-parity reflection-symmetric bands classified in terms of simplex quantum numbers, backbending, alignments, high-spin octupole to quadrupole shape transition. Systematics of splitting between states with opposite parity within the same rotational band in 221,223,225Th.
doi: 10.1103/PhysRevC.95.034304
2017MA24 Phys.Scr. 92, 064004 (2017) see keynumber 2018MA12 G.Maquart, A.Astier, C.Ducoin, D.Guinet, O.Stezowski, L.Augey, L.Chaix, I.Companis, J.Dudouet, G.Lehaut, C.Mancuso, N.Redon, A.Vancraeyenest Backbending in the 22390Th nucleus: presentation of the consistency of two different experiments NUCLEAR REACTIONS 208Pb(18O, 3n), E=85 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced energy levels, J, π, kinematic moment of inertia for both positive and negative parity states.
doi: 10.1088/1402-4896/aa6e8b
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
2014MA63 Nucl.Data Sheets 119, 368 (2014) L.Mathieu, I.Companis, M.Aiche, P.Schillebeeckx, J.Heyse, G.Barreau, G.Boutoux, S.Czajkowski, F.Gunsing, B.Jurado, G.Kessedjian, A.J.M.Plompen, I.Tsekhanovitch Development of Ionisation Chambers for the Simultaneous Measurement of the Neutron-induced Capture and Fission Cross Section of 233U
doi: 10.1016/j.nds.2014.08.101
2012AS02 Acta Phys.Pol. B43, 261 (2012) P.Ascher, N.Adimi, L.Audirac, B.Blank, F.Delalee, C.-E.Demonchy, J.Giovinazzo, T.Kurtukian-Nieto, S.Leblanc, J.-L.Pedroza, J.Pibernat, L.Serani, F.de Oliveira Santos, S.Grevy, J.-C.Thomas, L.Perrot, P.Srivastava, C.Borcea, I.Companis, L.V.Grigorenko, B.A.Brown Two Proton Radioactivity Studies with a Time Projection Chamber RADIOACTIVITY 45Fe, 54Zn(2p) [from Ni(58Ni, X), E=74.5 MeV/nucleon]; measured decay products, Ep, Ip; deduced angular and energy distributions between two protons. Comparison with MSU experiment.
doi: 10.5506/APhysPolB.43.261
2012BO08 Phys.Lett. B 712, 319 (2012) G.Boutoux, B.Jurado, V.Meot, O.Roig, L.Mathieu, M.Aiche, G.Barreau, N.Capellan, I.Companis, S.Czajkowski, K.-H.Schmidt, J.T.Burke, A.Bail, J.M.Daugas, T.Faul, P.Morel, N.Pillet, C.Theroine, X.Derkx, O.Serot, I.Matea, L.Tassan-Got Study of the surrogate-reaction method applied to neutron-induced capture cross sections NUCLEAR REACTIONS 174Yb(3He, αγ), (3He, pγ), E=24 MeV; measured reaction products, Eγ, Iγ; deduced σ, J, π. TALYS nuclear reaction model code calculations, comparison with available data.
doi: 10.1016/j.physletb.2012.05.012
2011AS08 Phys.Rev.Lett. 107, 102502 (2011) P.Ascher, L.Audirac, N.Adimi, B.Blank, C.Borcea, B.A.Brown, I.Companis, F.Delalee, C.E.Demonchy, F.de Oliveira Santos, J.Giovinazzo, S.Grevy, L.V.Grigorenko, T.Kurtukian-Nieto, S.Leblanc, J.-L.Pedroza, L.Perrot, J.Pibernat, L.Serani, P.C.Srivastava, J.-C.Thomas Direct Observation of Two Protons in the Decay of 54Zn RADIOACTIVITY 54Zn(2p) [from Ni(58Ni, X), E=75.5 MeV/nucleon]; measured decay products, proton spectra; deduced branching ratio, total decay energy, angular and energy correlations, T1/2. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.107.102502
2011BO30 J.Korean Phys.Soc. 59, 1924s (2011) G.Boutoux, B.Jurado, V.Meot, M.Aiche, A.Bail, G.Barreau, E.Bauge, J.T.Burke, N.Capellan, I.Companis, S.Czajkowski, J.M.Daugas, D.Dassie, X.Derkx, T.Faul, B.Haas, L.Gaudefroy, F.Gunsing, I.Matea, L.Mathieu, P.Morel, N.Pillet, M.G.Porquet, O.Roig, P.Romain, O.Serot, J.Taieb, L.Tassan-Got, C.Theroine Neutron-Induced Capture Cross Sections via the Surrogate Reaction Method NUCLEAR REACTIONS 174Yb(3He, pγ), E=24 MeV; measured Ep, Ip(θ) using Si(Li), Eγ, Iγ using C6D6, pγ-coin, γγ-coin. 176Lu deduced γ emission probability, 175Lu(n, γ) σ using surrogate reaction; calculated 176Lu γ emission probability, 175Lu(n, γ) σ using TALYS.
doi: 10.3938/jkps.59.1924
2011BU11 J.Korean Phys.Soc. 59, 1892s (2011) J.T.Burke, J.J.Ressler, J.E.Escher, N.D.Scielzo, I.J.Thompson, R.Henderson, J.Gostic, L.Bernstein, D.Bluel, M.Weideking, V.Meot, O.Roig, L.W.Phair, R.Hatarik, J.Munson, C.Angell, B.Goldblum, C.W.Beausang, T.Ross, R.Hughes, M.Aiche, G.Barreau, N.Cappelan, S.Czajkowski, B.Hass, B.Jurado, L.Mathieu, I.Companis Experimental Approaches to Studying the Fission Process Using the Surrogate Reaction Technique NUCLEAR REACTIONS 235,236U, 239Pu(α, α'), E=55 MeV; measured E(charged particle), I(charged particle), Eγ, Iγ(θ), γγ-coin, fission products using STARS (Silicon Telescope Array for Reaction Studies), LIBERACE, HYDRA; deduced σ 238Pu(n, F) below 20 MeV using surrogate reactions. Comparison with other data.
doi: 10.3938/jkps.59.1892
2011CO03 Rom.J.Phys. 56, 63 (2011) I.Companis, M.Mirea, A.Isbasescu Scission Configurations for the 236Np Fission NUCLEAR REACTIONS 236Np(n, F), E not given; calculated minimal values of the deformation energy, fission shapes, height of the fission barrier. Woods-Saxon two-center shell model.
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