NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = A.Voinov Found 144 matches. Showing 1 to 100. [Next]2024WA14 Phys.Lett. B 850, 138503 (2024) J.G.Wang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, M.M.Zhang, H.B.Yang, C.L.Yang, Y.H.Qiang, X.Y.Huang, Z.Zhao, S.Y.Xu, Z.C.Li, L.X.Chen, L.C.Sun, H.Zhou, X.Zhang, X.L.Wu, Y.L.Tian, Y.S.Wang, J.Y.Wang, W.X.Huang, M.L.Liu, Z.W.Lu, Y.He, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov α-decay properties of new neutron-deficient isotope 203Ac RADIOACTIVITY 203Ac, 199Fr, 195At, 191Bi(α) [from 169Tm(40Ca, 6n)203Ac, E=226 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, transitions T1/2, J, π, partial decay scheme, reduced α-decay widths, proton separation energies, the onset of deformation in neutron-deficient Ac isotopes. Comparison with systematics. The superconducting linear accelerator, China Accelerator Facility for superheavy Elements (CAFE2) at Institute of Modern Physics, Chinese Academy of Sciences.
doi: 10.1016/j.physletb.2024.138503
2024ZH19 Phys.Rev. C 109, 034314 (2024) Z.Zhao, Z.G.Gan, Z.Y.Zhang, J.G.Wang, M.H.Huang, L.Ma, H.B.Yang, M.M.Zhang, C.L.Yang, S.Y.Xu, X.Y.Huang, Z.C.Li, L.C.Sun, X.L.Wu, Y.S.Wang, Y.L.Tian, Y.H.Qiang, J.Y.Wang, W.X.Huang, Y.He, L.T.Sun, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov Reinvestigation of the decay properties of 261, 262Bh at the gas-filled recoil separator SHANS2
doi: 10.1103/PhysRevC.109.034314
2023BR13 Phys.Rev. C 108, L061601 (2023) K.Brandenburg, G.Hamad, Z.Meisel, C.R.Brune, D.E.Carter, R.J.deBoer, J.Derkin, C.Feathers, D.C.Ingram, Y.Jones-Alberty, B.Kenady, T.N.Massey, M.Saxena, D.Soltesz, S.K.Subedi, A.V.Voinov, J.Warren, M.Wiescher Measurements of the 13C(α, n)16O cross section up to Eα=8 MeV
doi: 10.1103/PhysRevC.108.L061601
2023IB01 Bull.Rus.Acad.Sci.Phys. 87, 1118 (2023) D.Ibadullayev, V.K.Utyonkov, Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, M.G.Itkis, A.V.Karpov, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, Sh.G.Giniyatova, K.A.Kuterbekov Study of the 242Pu + 48Ca Reaction at Super Heavy Element Factory RADIOACTIVITY 286,287Fl, 283Cn, 279Ds, 261Rf(α) [from 242Pu(48Ca, X), E=242.5, 247.5 MeV]; measured reaction products, Eα, Iα; deduced α-particle energies, T1/2, σ, 2+ rotational level in 282Cn. A new gas-filled separator DGFRS-2 online to the DC-280 cyclotron of the Superheavy Element Factory at the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research.
doi: 10.3103/S1062873823702945
2023KO22 Bull.Rus.Acad.Sci.Phys. 87, 1098 (2023) N.D.Kovrizhnykh, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, A.A.Dzhioev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.V.Khalkin First Experiment at the Super Heavy Element Factory: New Data from the 243Am + 48Ca Reaction RADIOACTIVITY 286,287,288,289Mc(α), 268Db(SF), (α), 264Lr, 279Rg(SF) [from 243Am(48Ca, X), E=239-259 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, branches, T1/2, σ. The new separator DGFRS-2 and cyclotron DC280 of the SHE Factory at FLNR JINR.
doi: 10.3103/S106287382370291X
2023OG03 Phys.Rev. C 108, 024611 (2023) Yu.Ts.Oganessian, V.K.Utyonkov, M.V.Shumeiko, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, N.S.Bublikova, M.G.Voronyuk, A.V.Sabelnikov, A.Yu.Bodrov, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang New isotope 276Ds and its decay products 272Hs and 268Sg from the 232Th+48Ca reaction NUCLEAR REACTIONS 232Th(48Ca, 3n)277Ds, 232Th(48Ca, 4n)276Ds, E=231, 1, 237.8, 250.6 MeV; measured reaction products, Eα, Iα, fission fragments; deduced production σ(E). Systematics of production cross-sections with 48Ca beam on 242,244Pu, 238U, 232Th, 226Ra, 245,248Cm, 249Bk targets. Gas filled separator DGFRS-2 at the new cyclotron DC280 (SHE Factory, JINR). RADIOACTIVITY 268Sg(SF)[from 232Th(48Ca, X), E=231, 1, 237.8, 250.6 MeV]; 272Hs(α)[from 232Th(48Ca, X), E=231, 1, 237.8, 250.6 MeV]; 276Ds(α), (SF)[from 232Th(48Ca, X), E=231, 1, 237.8, 250.6 MeV]; measured Eα, Iα, fission fragments; deduced T1/2, α-decay and SF decay branching and partial T1/2 for 276Ds, Q value for α-decay. Systematics of partial T1/2 for Hs, Ds, Cn, Fl, Lv and Og isotopes.
doi: 10.1103/PhysRevC.108.024611
2023VO08 Phys.Rev. C 108, 034302 (2023) A.V.Voinov, N.Alanazi, S.Akhtar, S.Dhakal, C.R.Brune, S.M.Grimes, T.N.Massey, Z.Meisel, C.E.Parker, A.L.Richard Spin cutoff factor and level density for 59Ni from an analysis of compound nuclear reactions
doi: 10.1103/PhysRevC.108.034302
2022HA25 Phys.Rev. C 106, 025804 (2022) G.Hamad, K.Brandenburg, Z.Meisel, C.R.Brune, D.E.Carter, D.C.Ingram, Y.Jones-Alberty, T.N.Massey, M.Saxena, D.Soltesz, S.K.Subedi, A.V.Voinov Measurements of the 96Zr(α, n)99Mo cross section for astrophysics and applications
doi: 10.1103/PhysRevC.106.025804
2022HU12 Phys.Lett. B 834, 137484 (2022) M.H.Huang, Z.G.Gan, Z.Y.Zhang, L.Ma, J.G.Wang, M.M.Zhang, H.B.Yang, C.L.Yang, X.Y.Huang, Z.Zhao, S.Y.Xu, L.X.Chen, X.J.Wen, Y.F.Niu, C.X.Yuan, Y.L.Tian, Y.S.Wang, J.Y.Wang, M.L.Liu, Y.H.Qiang, W.Q.Yang, H.B.Zhang, Z.W.Lu, S.Guo, W.X.Huang, Y.He, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov α decay of the new isotope 204Ac RADIOACTIVITY 204,205Ac(α) [from 169Tm(40Ca, xn), E=202, 210, 212, 214 MeV using SHANS2 separator at CAFE2 and SHANS separator at HRIFL, Lanzhou accelerator facility]; 200Fr, 196At(α) [from 204Ac α-decay chain]; measured evaporation residues (ERs), Eα, (ER)α-α-α correlated events, production cross sections, T1/2 of decays using two multiwire proportional counters for implanted events, double-sided silicon strip detectors (DSSSDs) for α particles, and a segmented clover Ge detector for γ radiation. 204,205Ac, 200Fr, 196At; deduced T1/2 of decays of ground-state decays, and Eα values, reduced α-width in Rasmussen formalism, favored α decay for 204Ac decay. 204Ac(p); no proton decay events observed. 201,201m,202,202m,203,204,205Fr, 204,205,206Ra(α); observed α spectra, (ERs)-α-α-correlated events. Comparison with previous available experimental results. Systematics of experimental and theoretical T1/2 and Q(α) values for 196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211At, 198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213Fr, 203,204,205,206,207,208,209,210,211,212,213,214,215Ac, 211,212,213,214,215,216,217Pa, using Hartree-Fock-BCS (HFBSC) method, and macroscopic-microscopic (MM) mass formula for theory.
doi: 10.1016/j.physletb.2022.137484
2022OG05 Phys.Rev. C 106, 024612 (2022) Yu.Ts.Oganessian, V.K.Utyonkov, D.Ibadullayev, F.Sh.Abdullin, S.N.Dmitriev, M.G.Itkis, A.V.Karpov, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.Lindner, K.P.Rykaczewski, T.T.King, J.B.Roberto, N.T.Brewer, R.K.Grzywacz, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang Investigation of 48Ca-induced reactions with 242Pu and 238U targets at the JINR Superheavy Element Factory RADIOACTIVITY 286,287Fl, 283Cn(α), (SF)[from 242Pu(48Ca, 3n), (48Ca, 4n)286Fl/287Fl, E=242.5, 247.5 MeV, and 238U(48Ca, 3n)283Cn, E=231.1, 234.4 MeV followed by separation of fragments using gas-filled separator DGFRS-2 separator at the SHE Factory of JINR-Dubna]; measured evaporation residues (ERs), Eα, fission fragments (SF), (ER)α-coin, αα-coin, (ER)(SF)-coin using double-sided silicon strip detectors (DSSDs), single-sided silicon-strip detectors (SSSDs) and multiwire proportional chambers (MWPCs); deduced T1/2 for α and SF decays, branching ratios, Q(α), production cross sections for superheavy nuclei. 279Ds, 275Hs, 271Sg(α), (SF); 282Cn, 267Rf(SF)[from 286,287Fl, 283Cn decay chains]; measured Eα, ESF deduced T1/2 for α and SF decays, average decay properties. 287Fl; discussed possible existence of isomeric states from consecutive α decays. 282Cn; discussed possible population of 2+ state. Comparison with previously available experimental results.
doi: 10.1103/PhysRevC.106.024612
2022OG07 Phys.Rev. C 106, L031301 (2022) Yu.Ts.Oganessian, V.K.Utyonkov, N.D.Kovrizhnykh, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, L.Schlattauer, I.V.Shirokovski, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.V.Khalkin, V.B.Zlokazov, K.P.Rykaczewski, T.T.King, J.B.Roberto, N.T.Brewer, R.K.Grzywacz, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang First experiment at the Super Heavy Element Factory: High cross section of 288Mc in the 243Am + 48Ca reaction and identification of the new isotope 264Lr NUCLEAR REACTIONS 243Am(48Ca, 2n)289Mc, (48Ca, 3n)288Mc, (48Ca, 4n), E=239.1, 240.9, 243.9 MeV; measured evaporation residues (ER), α, and fission fragments (SF), (ER)α-coin, αα-coin, α(SF)-coin, ER(SF)-coin, production σ(E) for superheavy nuclei using gas-filled separator DGFRS-2, two double-sided strip detectors (DSSD), two multiwire proportional chambers (MWPC) at the DC280 cyclotron facility of the Super Heavy Element Factory of JINR-Dubna. RADIOACTIVITY 288,289Mc, 284,285Nh, 280,281Rg, 276Mt, 272Bh, 268Db(α); 281Rg, 277Mt, 268Db, 264Lr(SF)[from 243Am(48Ca, xn)]; measured Eα, ESF, (ER)α-coin, αα-coin, α(SF)-coin, ER(SF)-coin, T1/2. 268Db; deduced α/SF branching ratio. 264Lr; deduced new isotope, T1/2, average decay properties. 288Mc, 284Nh(EC), (β+); discussed upper limit for decay mode. History of 55 correlated events observed for 288Mc and six for 289Mc is listed by authors in the Supplemental material of the paper.
doi: 10.1103/PhysRevC.106.L031301
2022OG08 Phys.Rev. C 106, 064306 (2022) Yu.Ts.Oganessian, V.K.Utyonkov, N.D.Kovrizhnykh, F.Sh.Abdullin, S.N.Dmitriev, A.A.Dzhioev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.V.Khalkin, K.P.Rykaczewski, T.T.King, J.B.Roberto, N.T.Brewer, R.K.Grzywacz, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang New isotope 286Mc produced in the 243Am + 48Ca reaction NUCLEAR REACTIONS 243Am(48Ca, X)288Mc/289Mc, 243Am(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), (48Ca, 5n), E=242.2, 250.8, 259.1 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, fission fragments, (SF), (SF)α-coin, (ER)α-coin, αα-coin; deduced σ(E) for superheavy nuclei production. Gas-filled separator DGFRS-2 at the DC280 cyclotron (SHE Factory at JINR). Measurements with double-sided silicon strip detectors (DSSDs), single-sided silicon-strip detectors (SSSDs) and multiwire proportional chambers (MWPCs). RADIOACTIVITY 286,287,288Mc, 289Mc, 282Nh, 283Nh, 284Nh, 285Nh, 278,280Rg, 274,275,276Mt, 270,271,272Bh, 268Db(α); 279,281Rg, 266,267,268Db, 264Lr(SF) [from 243Am(48Ca, xn), E=E=242.2, 250.8, 259.1 MeV]; measured Eα, ESF; deduced T1/2. 268Db; deduced α/SF branching ratio. 286Mc; deduced new isotope. Comparison of deduced half-lives with theoretical predictions.
doi: 10.1103/PhysRevC.106.064306
2022VA04 Phys.Rev. C 105, 055802 (2022) B.Vande Kolk, K.T.Macon, R.J.deBoer, T.Anderson, A.Boeltzig, K.Brandenburg, C.R.Brune, Y.Chen, A.M.Clark, T.Danley, B.Frentz, R.Giri, J.Gorres, M.Hall, S.L.Henderson, E.Holmbeck, K.B.Howard, D.Jacobs, J.Lai, Q.Liu, J.Long, K.Manukyan, T.Massey, M.Moran, L.Morales, D.Odell, P.O'Malley, S.N.Paneru, A.Richard, D.Schneider, M.Skulski, N.Sensharma, C.Seymour, G.Seymour, D.Soltesz, S.Strauss, A.Voinov, L.Wustrich, M.Wiescher Investigation of the 10B (p, α)7Be reaction from 0.8 to 2.0 MeV NUCLEAR REACTIONS 10B(p, α), (p, p), E=0.8-2.0 MeV; measured Eα, Iα, Ep, Ip; deduced σ(θ), σ(E) S-factor, resonance parameters of 10B+p system - energy, spin, partial (p0, α0, α1) and total width. 10B(p, γ), E=0 .1-2.0 MeV; deduced σ(θ). 11C; deduced levels, J, π. R-matrix analysis. Measurements were made at the University of Notre Dame (UND) Nuclear Science Laboratory (NSL) using a degrader foil method, while those at the Edwards AcceleratorLaboratory at Ohio University (OU) were performed using the time-of-flight (ToF)technique. Comparison with other experimental data.
doi: 10.1103/PhysRevC.105.055802
2022YA15 Phys.Rev. C 105, L051302 (2022) H.B.Yang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, M.M.Zhang, C.X.Yuan, Y.F.Niu, C.L.Yang, Y.L.Tian, L.Guo, Y.S.Wang, J.G.Wang, H.B.Zhou, X.J.Wen, H.R.Yang, X.H.Zhou, Y.H.Zhang, W.X.Huang, Z.Liu, S.G.Zhou, Z.Z.Ren, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov, D.I.Solovyev New isotope 207Th and odd-even staggering in α-decay energies for nuclei with Z > 82 and N < 126 RADIOACTIVITY 207Th(α)[from 176Hf(36Ar, 5n), E=197-199 MeV]; 208Th(α)[from 176Hf(36Ar, 4n), E=197-199 MeV]; 203Ra, 199Rn, 195Po(α)[from 207Th α-decay chain]; 204Ra, 200Rn, 196Po(α)[from 208Th α-decay chain]; measured evaporation residues (ERs), Eα, and ER-α1-α2-α3-α4 correlated α-decay chain from the decays of 207Th and208Th. 207,208Th; deduced α-decay T1/2, production σ. Z=84-92, N=102-126; discussed systematics of experimental and theoretically calculated (by relativistic Hartree-Fock-Bogoliubov and large-scale shell-model approaches) odd-even staggering (OES) of Q(α), Q(proton) and Q(neutron). Position-sensitive silicon strip detectors (PSSDs), non-position sensitive Si detectors, and SHANS gas-filled recoil separator at the sector focusing cyclotron facility of HIRFL, Lanzhou.
doi: 10.1103/PhysRevC.105.L051302
2022YA27 Phys.Rev. C 106, 064311 (2022) H.B.Yang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, M.M.Zhang, C.L.Yang, Y.L.Tian, Y.S.Wang, H.B.Zhou, X.J.Wen, J.G.Wang, Z.Zhao, S.Y.Xu, L.X.Chen, X.Y.Huang, C.X.Yuan, Y.F.Niu, H.R.Yang, W.X.Huang, Z.Liu, X.H.Zhou, Y.H.Zhang, S.G.Zhou, Z.Z.Ren, H.S.Xu, V.K.Utyonkov, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov, D.I.Solovyev Examining the impact of α-decay energies on the odd-even staggering in half-lives: α-decay spectroscopy of 207-209Ac RADIOACTIVITY 207,208,208m,209Ac(α)[from 176Hf(36Ar, X), E=197-199 MeV]; measured evaporation residues (ER), Eα, Iα, αα-coin, (ER)αα-coin; deduced T1/2, Q values, decay branches. 204mFr(IT) [from 208Ac(α)]; deduced T1/2, isomer level energy, tentative J and π for the newly found 80-keV isomer. 204Fr(α)[from 208,208mAc(α)]; deduced T1/2. Found new α-decay branching 208Ac and assigned to the transition from ground state to the excited (2+, 4+) state. Comparison to the calculations performed in the framework of Wentzel-Kramers-Brillouin approximation. Spectrometer for Heavy Atoms and Nuclear Structure (SHANS) at Sector Focusing Cyclotron of the Heavy Ion Research Facility in Lanzhou (HIRFL).
doi: 10.1103/PhysRevC.106.064311
2021MC05 Phys.Rev. C 103, 064607 (2021) A.M.McEvoy, H.W.Herrmann, Y.Kim, T.S.Sedillo, H.Geppert-Kleinrath, C.R.Brune, T.N.Massey, A.V.Voinov, C.E.Parker, M.S.Rubery, W.Stoeffl 13C(n, 2nγ)12C γ-ray production in the 14-16 MeV incident neutron energy range NUCLEAR REACTIONS 12,13C(n, 2nγ), (n, n'γ), E=14.4 to 15.8 MeV; measured Eγ, Iγ using Gas Cherenkov Detector (GCD) and enriched targets at the Omega Laser Facility and at the Ohio University Edwards Accelerator Laboratory; deduced σ(E), and compared with MCNP6.1 predictions. Relevance to feasibility of using 13C-based plastic ablators with embedded 12C layers for 'dark mix' diagnosis of inertial confinement fusion (ICF) implosions.
doi: 10.1103/PhysRevC.103.064607
2021SO05 Phys.Rev. C 103, 015802 (2021) D.Soltesz, M.A.A.Mamun, A.V.Voinov, Z.Meisel, B.A.Brown, C.R.Brune, S.M.Grimes, H.Hadizadeh, M.Hornish, T.N.Massey, J.E.O'Donnell, W.E.Ormand Determination of the 60Zn level density from neutron evaporation spectra NUCLEAR REACTIONS 58Ni(3He, n), E=10 MeV; measured E(n), I(n) by time-of-flight method using NE213 liquid organic scintillators at Edwards Accelerator Laboratory; deduced differential σ(En) and for σ(Ep), the latter from experimental data in 2007Vo08, and compared to theoretical calculations using TALYS-V1.8. 60Zn; deduced level density for 60Zn as function of excitation energy up to 10 MeV, and compared to global theoretical models, including phenomenological, microscopic, and shell-model based calculations. Relevance to confirmation of Hauser-Feshbach formalism for 59Cu(p, γ)60Zn reaction rate at x-ray burst temperatures.
doi: 10.1103/PhysRevC.103.015802
2021VO11 Phys.Rev. C 104, 015805 (2021) A.V.Voinov, K.Brandenburg, C.R.Brune, R.Giri, S.M.Grimes, T.Massey, Z.Meisel, S.N.Paneru, A.L.Richard, G.Perdikakis, A.Falduto Reduction of the neutron imaginary potential off the stability line and its possible impact on neutron capture rates NUCLEAR REACTIONS 48Ca(11B, X)59Mn*, E=21.8 MeV; measured E(n), I(n), E(p), I(p), Eα, Iα emitted by the compound nucleus 59Mn using ΔE-E Si detector telescope at the Edwards Accelerator Laboratory; analyzed optical model potentials (OMP) with their original parametrizations as well as with adjusted isovector imaginary components using EMPIRE code and BSFG Egidy level-density parametrization; deduced importance of inclusion of isovector component of the imaginary potential; discussed consequences for astrophysical reaction-rate calculations.
doi: 10.1103/PhysRevC.104.015805
2020GA12 Phys.Rev. C 101, 055805 (2020) P.Gastis, G.Perdikakis, J.Dissanayake, P.Tsintari, I.Sultana, C.R.Brune, T.N.Massey, Z.Meisel, A.V.Voinov, K.Brandenburg, T.Danley, R.Giri, Y.Jones-Alberty, S.Paneru, D.Soltesz, S.Subedi Constraining the destruction rate of 40K in stellar nucleosynthesis through the study of the 40Ar(p, n)40K reaction NUCLEAR REACTIONS 40Ar(p, n)40K, E(cm)=3.3-3.9 MeV; measured In, Eγ, Iγ, and differential σ(θ, E) using neutron time-of-flight technique with plastic scintillators for neutron detection and LaBr3 scintillator for γ detection at the Edwards Accelerator Laboratory of Ohio University; deduced total σ(E), and partial σ(E) populating discrete states. 40K(n, p), E(cm)=3.3-3.9 MeV; deduced thermonuclear reaction rates for the forward and reverse reactions. Comparison with Hauser-Feshbach calculations using the statistical model code TALYS, and with theoretical rates in the REACLIB library. Relevance to yield of 40K in nucleosynthesis, and impact on galactic chemical evolution models for the study of properties of exoplanets.
doi: 10.1103/PhysRevC.101.055805
2020SC04 Phys.Rev. C 101, 045806 (2020) P.Scholz, M.Guttormsen, F.Heim, A.C.Larsen, J.Mayer, D.Savran, M.Spieker, G.M.Tveten, A.V.Voinov, J.Wilhelmy, F.Zeiser, A.Zilges Primary γ-ray intensities and γ-strength functions from discrete two-step γ-ray cascades in radiative proton-capture experiments NUCLEAR REACTIONS 63,65Cu(p, γ), E=2.0, 3.5 MeV; measured Eγ, Iγ, γγ-coin, primary γ rays, two-step γ-ray cascades (TSCs) using the HORUS array of 14 HPGe detectors at the Institute for Nuclear Physics, University of Cologne. 64,66Zn; deduced levels, J, π, primary γ-ray intensities, dipole strength functions, and absolute γ-ray strength functions. Comparison with theoretical predictions, generalized Brink-Axel hypothesis, and other experimental results. Relevance of reaction rates of radiative capture reactions to nucleosynthesis of heavy nuclei in explosive stellar environments.
doi: 10.1103/PhysRevC.101.045806
2020VO07 Bull.Rus.Acad.Sci.Phys. 84, 351 (2020) A.A.Voinov, V.K.Utyonkov, Yu.Ts.Oganessian, F.Sh.Abdullin, A.N.Polyakov, Yu.S.Tsyganov, I.V.Shirokovsky, R.N.Sagaidak, V.G.Subbotin, S.N.Dmitriev, M.G.Itkis, M.V.Shumeiko, N.D.Kovrizhnykh, A.V.Sabelnikov, G.K.Vostokin Synthesizing and Studying Superheavy Nuclei 294Ts and 294Og
doi: 10.3103/S1062873820040358
2020VO12 Phys.Rev. C 102, 064005 (2020) A.V.Voinov, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, R.Giri, T.N.Massey, S.N.Paneru, C.E.Parker, A.L.Richard, C.J.Forrest, D.Schneider, G.Grim Cross section of neutrons from the 2H(n, 2n) reaction at En = 15 MeV NUCLEAR REACTIONS 16O(n, n), 2H(n, 2n), E=15 MeV; measured reaction products, En, In; deduced cross sections using H2O and D2O targets and NE213 liquid scintillator at the Swinger neutron facility of Edwards Accelerator Laboratory. Comparison with models based on phase-space approximation used in the ENDF/B-VIII.0 data library and in the MCNP neutron transport code, and using the rigorous model based on Faddeev equations.
doi: 10.1103/PhysRevC.102.064005
2020ZH01 Phys.Lett. B 800, 135102 (2020) M.M.Zhang, H.B.Yang, Z.G.Gan, Z.Y.Zhang, M.H.Huang, L.Ma, C.L.Yang, C.X.Yuan, Y.S.Wang, Y.L.Tian, H.B.Zhou, S.Huang, X.T.He, S.Y.Wang, W.Z.Xu, H.W.Li, X.X.Xu, J.G.Wang, H.R.Yang, L.M.Duan, W.Q.Yang, S.G.Zhou, Z.Z.Ren, X.H.Zhou, H.S.Xu, A.A.Voinov, Yu.S.Tsyganov, A.N.Polyakov, M.V.Shumeiko A new isomeric state in 218Pa RADIOACTIVITY 218Pa(α) [from 182W(40Ar, 3np)218Pa, E=190 MeV]; measured decay products, Eα, Iα, Eγ, Iγ; deduced ground and isomeric states T1/2, α and γ-ray energies and intensities, J, π.
doi: 10.1016/j.physletb.2019.135102
2019DH01 Nucl.Sci.Eng. 193, 1033 (2019) S.Dhakal, C.R.Brune, T.N.Massey, S.M.Grimes, A.V.Voinov, S.Akhtar, An.P.D.Ramirez, A.L.Richard Investigation of Neutron Cross Section for Iron in the ENDF Library wiTh. Pulsed Sphere Measurements NUCLEAR REACTIONS 56Fe(n, n), (n, n'), E=7.2-10 MeV; measured reaction products, En, In; deduced σ. Comparison with MCNP simulations, ENDF/B libraries.
doi: 10.1080/00295639.2019.1591095
2019FO20 Phys.Rev. C 100, 034001 (2019) C.J.Forrest, A.Deltuva, W.U.Schroder, A.V.Voinov, J.P.Knauer, E.M.Campbell, G.W.Collins, V.Yu.Glebov, O.M.Mannion, Z.L.Mohamed, P.B.Radha, S.P.Regan, T.C.Sangster, C.Stoeckl Deuteron breakup induced by 14-MeV neutrons from inertial confinement fusion NUCLEAR REACTIONS 2H(n, 2n)1H, E=14 MeV, [neutron beam from inertial confinement fusion platform using the OMEGA Laser System at the University of Rochester]; measured En, In emitted by deuteron breakup using a TOF spectrometer with liquid scintillators; deduced angle-averaged double differential σ (En=0.5 to 10 MeV), contributions from the neutron-induced deuteron breakup from the difference in spectra obtained from a deuterated and the corresponding nondeuterated reaction vessel. Neutrons generated in the deuteron breakup reaction modeled using the neutron transport code MCNP. Experimental results compared to model calculations employing realistic nucleon-nucleon (NN) and 3N forces.
doi: 10.1103/PhysRevC.100.034001
2019GR05 Phys.Rev. C 99, 064331 (2019) S.M.Grimes, T.N.Massey, A.V.Voinov Level density rotational enhancement factor NUCLEAR STRUCTURE 24Na, 25,26Mg, 159,161,162,163,164,165Dy, 235,238U; analyzed level densities for deformed nuclei with spherical and deformed spin distributions using resonance counting method, average level spacing at neutron separation energy, S(n), rotational enhancement factor. Comparison with level density predictions using the Bethe spin distribution for spherical nuclei.
doi: 10.1103/PhysRevC.99.064331
2019VO05 Phys.Rev. C 99, 054609 (2019) A.V.Voinov, T.Renstrom, D.L.Bleuel, S.M.Grimes, M.Guttormsen, A.C.Larsen, S.N.Liddick, G.Perdikakis, A.Spyrou, S.Akhtar, N.Alanazi, K.Brandenburg, C.R.Brune, T.W.Danley, S.Dhakal, P.Gastis, R.Giri, T.N.Massey, Z.Meisel, S.Nikas, S.N.Paneru, C.E.Parker, A.L.Richard Level densities of 74, 76Ge from compound nuclear reactions NUCLEAR STRUCTURE 68,70Zn(7Li, p), E=16 MeV; measured evaporated proton spectra from 2-25 MeV, σ, yields using silicon ΔE-E telescope at the Edwards tandem accelerator laboratory, Athens, Ohio. 74,76Ge; deduced nuclear level densities. Comparison with theoretical calculations using coupled-channel model of the EMPIRE code, GCM-RIPL-global, and BSFG-RIPL-global density models.
doi: 10.1103/PhysRevC.99.054609
2019ZE03 Phys.Rev. C 100, 024305 (2019) F.Zeiser, G.M.Tveten, G.Potel, A.C.Larsen, M.Guttormsen, T.A.Laplace, S.Siem, D.L.Bleuel, B.L.Goldblum, L.A.Bernstein, F.L.Bello Garrote, L.Crespo Campo, T.K.Eriksen, A.Gorgen, K.Hadynska-Klek, V.W.Ingeberg, J.E.Midtbo, E.Sahin, T.Tornyi, A.Voinov, M.Wiedeking, J.Wilson Restricted spin-range correction in the Oslo method: The example of nuclear level density and γ-ray strength function from 239Pu (d, pγ)240Pu NUCLEAR REACTIONS 239Pu(d, p)240Pu, E=12 MeV; measured Eγ, Iγ, Ep, Ip, γp-coin using SiRi particle telescopes and CACTUS γ-ray detector array at the Oslo Cyclotron Laboratory; deduced nuclear level density, γ-ray strength function using Oslo method. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.100.024305
2019ZH23 Phys.Rev.Lett. 122, 192503 (2019) Z.Y.Zhang, Z.G.Gan, H.B.Yang, L.Ma, M.H.Huang, C.L.Yang, M.M.Zhang, Y.L.Tian, Y.S.Wang, M.D.Sun, H.Y.Lu, W.Q.Zhang, H.B.Zhou, X.Wang, C.G.Wu, L.M.Duan, W.X.Huang, Z.Liu, Z.Z.Ren, S.G.Zhou, X.H.Zhou, H.S.Xu, Yu.S.Tsyganov, A.A.Voinov, A.N.Polyakov New Isotope 220Np: Probing the Robustness of the N=126 Shell Closure in Neptunium RADIOACTIVITY 220Np, 216Pa, 212Ac, 208Fr(α) [from 185Re(40Ar, 5n)220Np/216Pa/212Ac/208Fr, E=201 MeV]; measured decay products, Eα, Iα; deduced T1/2, Q-values. Comparison with systematics.
doi: 10.1103/PhysRevLett.122.192503
2018BR13 Phys.Rev. C 98, 024317 (2018) N.T.Brewer, V.K.Utyonkov, K.P.Rykaczewski, Yu.Ts.Oganessian, F.Sh.Abdullin, R.A.Boll, D.J.Dean, S.N.Dmitriev, J.G.Ezold, L.K.Felker, R.K.Grzywacz, M.G.Itkis, N.D.Kovrizhnykh, D.C.McInturff, K.Miernik, G.D.Owen, A.N.Polyakov, A.G.Popeko, J.B.Roberto, A.V.Sabelnikov, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, N.J.Sims, E.H.Smith, V.G.Subbotin, A.M.Sukhov, A.I.Svirikhin, Yu.S.Tsyganov, S.M.Van Cleve, A.A.Voinov, G.K.Vostokin, C.S.White, J.H.Hamilton, M.A.Stoyer Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a 48Ca beam NUCLEAR REACTIONS 249,250,251,252Cf(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), (48Ca, 5n), E*=33-50 MeV; calculated evaporation residual cross sections using from five models for analyzing reactions. 249,250,251Cf(48Ca, xn)294Og, E=252, 258 MeV; Yb(48Ca, xn)216Th/217Th/218Th/219Th/220Th, E=252, 258 MeV; 206Pb(48Ca, 2n)252No, E=252, 258 MeV; measured Eα, Iα and (implants)α correlations, using Dubna Gas Filled Recoil Separator (DGFRS) for recoil separation and double-sided silicon strip detectors for α detection at JINR. Reviewed earlier experiments from 2002 to 2012 for the detection of 294Og nuclide. 295,296Og; predicted production σ, half-life and Eα for the decay of 296Og; discussed future prospects for production of these two nuclides. RADIOACTIVITY 294Og, 290Lv, 218,219Th, 214,215Ra(α); 286Fl(SF); measured Eα, Q(α) and T1/2. 294,296Og(α); comparison of experimental values for Q(α) and T1/2 for 294Og with theoretical predictions for 294Og and 296Og.
doi: 10.1103/PhysRevC.98.024317
2018JO01 Phys.Rev. C 97, 024327 (2018) M.D.Jones, A.O.Macchiavelli, M.Wiedeking, L.A.Bernstein, H.L.Crawford, C.M.Campbell, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, M.Salathe, A.Wiens, A.D.Ayangeakaa, D.L.Bleuel, S.Bottoni, M.P.Carpenter, H.M.Davids, J.Elson, A.Gorgen, M.Guttormsen, R.V.F.Janssens, J.E.Kinnison, L.Kirsch, A.C.Larsen, T.Lauritsen, W.Reviol, D.G.Sarantites, S.Siem, A.V.Voinov, S.Zhu Examination of the low-energy enhancement of the γ-ray strength function of 56Fe NUCLEAR REACTIONS 56Fe(p, p'), E=16 MeV; measured Eγ, Iγ, γ(θ) for discrete and continuum γ rays, γ(linear polarization) for primary γ rays, pγγ-coin using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array) for γ detection and Washington University Phoswich Wall for protons; deduced multipolarity of continuum γ rays, γ-ray strength function (γSF) with the model-independent ratio method, low-energy enhancement, identical shapes for γSFs constructed with 2+ and 4+ final states consistent with Brink hypothesis. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.97.024327
2018UT02 Phys.Rev. C 97, 014320 (2018) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Karpov, A.G.Popeko, A.V.Sabelnikov, A.I.Svirikhin, G.K.Vostokin, J.H.Hamilton, N.D.Kovrizhnykh, L.Schlattauer, M.A.Stoyer, Z.Gan, W.X.Huang, L.Ma Neutron-deficient superheavy nuclei obtained in the 240Pu + 48Ca reaction NUCLEAR REACTIONS 240Pu(48Ca, 3n), (48Ca, 4n), E=250 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α, α-α, and ER-SF correlated events, reaction σ using Dubna gas-filled recoil separator (DGFRS) at the U-400 cyclotron facility of Flerov Laboratory of Nuclear Reactions(FLNR), JINR; deduced three ER-α-SF correlated decay chains decaying from 285Fl to 265Rf, one ER-α-SF decay chain, and 25 short ER-SF decay chains, super-heavy nuclides (SHN). Systematics of production σ for Cf, Cm and Am isotopes in 248Cm, 249Cf(136Xe, xn), 248Cm(86Kr, xn), and 240Pu, 243Am, 248Cm(48Ca, xn) reactions. 240,244mAm, 242mAm, 237,239,241mPu, 238,241,243,244,245,246mAm, 287Fl, 282,283Cn, 279Ds; possible production of mostly the SF activities. RADIOACTIVITY 285Fl, 281Cn, 277Ds, 273Hs, 269Sg(α); 265Rf(SF)[from 240Pu(48Ca, 3n), E=250 MeV]; measured Eα, ESF, T1/2 from three correlated decay chains; deduced average decay properties, possible indication of decays through different energy levels. 284Fl(SF)[from 240Pu(48Ca, 4n), E=250 MeV]; deduced possible three ER-SF correlated decay chains and estimated half-life.
doi: 10.1103/PhysRevC.97.014320
2017AK02 Eur.Phys.J. A 53, 158 (2017) N.V.Aksenov, P.Steinegger, F.Sh.Abdullin, Y.V.Albin, G.A.Bozhikov, V.I.Chepigin, R.Eichler, V.Ya.Lebedev, A.Sh.Madumarov, O.N.Malyshev, O.V.Petrushkin, A.N.Polyakov, Y.A.Popov, A.V.Sabelnikov, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, G.Ya.Starodub, Y.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, A.V.Yeremin, S.N.Dmitriev On the volatility of nihonium (Nh, Z = 113) RADIOACTIVITY 288,289Mc(α)[from 243Am(48Ca, xn)]; measured Nh (Z=113) decay chains using Gas-Filled Recoil Separator with gas-phase chromatographic separation (JINR Dubna); deduced large retention of elemental Nh on teflon surface from non-observation of Nh decays.
doi: 10.1140/epja/i2017-12348-8
2017GU21 Phys.Rev. C 96, 024313 (2017) M.Guttormsen, S.Goriely, A.C.Larsen, A.Gorgen, T.W.Hagen, T.Renstrom, S.Siem, N.U.H.Syed, G.Tagliente, H.K.Toft, H.Utsunomiya, A.V.Voinov, K.Wikan Quasicontinuum γ decay of 91, 92Zr: Benchmarking indirect (n, γ) cross section measurements for the s process NUCLEAR REACTIONS 92Zr(p, d), E=28 MeV; 92Zr(p, p'), E=17 MeV; measured E(p), I(p), E(d), I(d), Eγ, Iγ, (particle)γ-coin, γ-ray multiplicity measured using SiRi array of silicon telescopes for charged particles and CACTUS array of NaI(Tl) detectors for γ rays at Oslo Cyclotron laboratory (OCL). 91,92Zr; deduced levels, J, π, nuclear level densities (NLDs), E1 and M1 γ-ray strength functions (γSF), l=0 resonances. 90,91Zr(n, γ), E=0.001-1 MeV and kT<0.11 MeV; deduced σ(E) and Maxwellian-averaged cross sections using TALYS code on the basis of the experimental NLDs and γSF in the present work, and compared with available experimental data.
doi: 10.1103/PhysRevC.96.024313
2017LA06 J.Phys.(London) G44, 064005 (2017) A.C.Larsen, M.Guttormsen, N.Blasi, A.Bracco, F.Camera, L.Crespo Campo, T.K.Eriksen, A.Gorgen, T.W.Hagen, V.W.Ingeberg, B.V.Kheswa, S.Leoni, J.E.Midtbo, B.Million, H.T.Nyhus, T.Renstrom, S.J.Rose, I.E.Ruud, S.Siem, T.G.Tornyi, G.M.Tveten, A.V.Voinov, M.Wiedeking, F.Zeiser Low-energy enhancement and fluctuations of γ-ray strength functions in 56, 57Fe: test of the Brink-Axel hypothesis NUCLEAR REACTIONS 56,57Fe(p, pγ), E=16 MeV; measured reaction products, Ep, Ip, Eγ, Iγ; deduced level densities, γ-ray strength functions.
doi: 10.1088/1361-6471/aa644a
2016GR08 Phys.Rev. C 94, 014308 (2016) S.M.Grimes, A.V.Voinov, T.N.Massey Mass-number and excitation-energy dependence of the spin cutoff parameter NUCLEAR STRUCTURE A=10-250; calculated spin cutoff parameters σ2 as function of mass number and compared with experimental values deduced from isomeric ratios using microscopic model. Comparison with previous semiempirical calculations. Recommend reanalysis of neutron resonance data for deformed nuclei using a corrected factor to convert s-wave resonance level density to the total level density.
doi: 10.1103/PhysRevC.94.014308
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
2016LA11 Phys.Rev. C 93, 045810 (2016) A.C.Larsen, M.Guttormsen, R.Schwengner, D.L.Bleuel, S.Goriely, S.Harissopulos, F.L.Bello Garrote, Y.Byun, T.K.Eriksen, F.Giacoppo, A.Gorgen, T.W.Hagen, M.Klintefjord, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.V.Voinov, M.Wiedeking Experimentally constrained (p, γ)89Y and (n, γ)59Y reaction rates relevant to p-process nucleosynthesis NUCLEAR REACTIONS 89Y(p, p'γ), E=17 MeV; measured E(p), I(p), Eγ, Iγ, γ(θ), pγ-coin using silicon ring (SiRi) array for protons and CACTUS array for γ rays at OSLO cyclotron facility; deduced level density, normalized γ-strength function (γSF) of 89Y, enhancement of γSF due to strong, low-energy M1 transitions at high excitation energies. Comparison with shell-model calculations. 88Sr(p, γ)89Y, E=1.5-5 MeV; 88Y(n, γ)89Y, E=0.01-1.5 MeV; deduced cross sections and astrophysical reaction rates using present data and TALYS code. Comparison of cross-section data with values from the BRUSLIB library. Relevance to p-process nucleosynthesis.
doi: 10.1103/PhysRevC.93.045810
2016VO15 Phys.Atomic Nuclei 79, 1519 (2016) Synthesis of superheavy elements at the Dubna gas-filled recoil separator
doi: 10.1134/S1063778816130081
2015GU27 Eur.Phys.J. A 51, 170 (2015) M.Guttormsen, M.Aiche, F.L.Bello Garrote, L.A.Bernstein, D.L.Bleuel, Y.Byun, Q.Ducasse, T.K.Eriksen, F.Giacoppo, A.Gorgen, F.Gunsing, T.W.Hagen, B.Jurado, M.Klintefjord, A.C.Larsen, L.Lebois, B.Leniau, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.G.Tornyi, G.M.Tveten, A.Voinov, M.Wiedeking, J.Wilson Experimental level densities of atomic nuclei
doi: 10.1140/epja/i2015-15170-4
2015LA08 Acta Phys.Pol. B46, 509 (2015) A.C.Larsen, S.Goriely, L.A.Bernstein, D.L.Bleuel, A.Bracco, B.A.Brown, F.Camera, T.K.Eriksen, S.Frauendorf, F.Giacoppo, M.Guttormsen, A.Gorgen, S.Harissopulos, S.Leoni, S.N.Liddick, F.Naqvi, H.T.Nyhus, S.J.Rose, T.Renstrom, R.Schwengner, S.Siem, A.Spyrou, G.M.Tveten, A.V.Voinov, M.Wiedeking Upbend and M1 Scissors Mode in Neutron-rich Nuclei - Consequences for r-process (n, γ) Reaction Rates
doi: 10.5506/APhysPolB.46.509
2015RA11 Phys.Rev. C 92, 014303 (2015) A.P.D.Ramirez, A.V.Voinov, S.M.Grimes, Y.Byun, C.R.Brune, T.N.Massey, S.Akhtar, S.Dhakal, C.E.Parker Level density and mechanism of deuteron-induced reactions on 54, 56, 58Fe NUCLEAR REACTIONS 54,56,58Fe(d, d), (d, n), (d, p), (d, α), E=5, 7, 9 MeV; measured neutron, protons, deuterons, and α particle spectra, σ(θ, E) at Ohio University tandem accelerator facility. 55,57,59Co, 55,57Fe, 52,54,56Mn; deduced nuclear level densities of the residual nuclei from best fit to compound double differential cross sections, and compared with Gilbert-Cameron model using Iljinov parameter systematics. Comparison with theoretical cross sections using Hartree-Fock-Bogoliubov method (HFBM) and Gilbert-Cameron model (GCM).
doi: 10.1103/PhysRevC.92.014303
2015UT02 Phys.Rev. C 92, 034609 (2015) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Sabelnikov, G.K.Vostokin, J.H.Hamilton, M.A.Stoyer, S.Y.Strauss Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239, 240Pu + 48Ca reactions NUCLEAR REACTIONS 240Pu(48Ca, 3n)285Fl, E=245, 250 MeV; 240Pu(48Ca, 4n)284Fl, E=245, 250 MeV; 239Pu(48Ca, 3n)284Fl, E=245 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ using DGFRS separator at U400 cyclotron facility of FLNR-JINR. Decay studies. Super heavy nuclei. Systematics of cross sections. RADIOACTIVITY 284Fl(SF), 285Fl(α)[from 239,240Pu(48Ca, xn), E=245, 250 MeV]; 281Cn, 277Ds, 273Hs, 269Sg(α), 265Rf[from 285Fl α decay chain]; measured EER, Eα, ESF, T1/2; deduced Q(α). Systematics of SF half-lives and α-decay energies.
doi: 10.1103/PhysRevC.92.034609
2015VO17 Phys.Rev. C 92, 064308 (2015) E1 and M1 γ-strength functions in 144Nd NUCLEAR REACTIONS 143Nd(n, γ), (n, αγ), E=thermal; analyzed σ(α), σ(γ), summed α widths, E1 and M1 γ-strength functions using available experimental data. Statistical model using Kadmensky-Markushev-Furman (KMF) and standard Lorentz (SLO) functions.
doi: 10.1103/PhysRevC.92.064308
2014BY06 Phys.Rev. C 90, 044303 (2014) Y.Byun, A.P.D.Ramirez, S.M.Grimes, A.V.Voinov, C.R.Brune, T.N.Massey Deuteron-induced reactions on 89Y and nuclear level density of 90Zr NUCLEAR REACTIONS 89Y(d, d), (d, n), (d, p), E=5, 6, 7.44 MeV; measured deuteron spectra, E(n), I(n), E(p), I(p), σ(E, θ), angle-integrated σ(E) at Ohio University tandem accelerator facility. 90Zr; deduced levels, J, π, configuration, level densities. Comparison with microscopic HFB model calculations using EMPIRE code.
doi: 10.1103/PhysRevC.90.044303
2014GU21 Phys.Rev. C 90, 044309 (2014) M.Guttormsen, A.C.Larsen, F.L.Bello Garrote, Y.Byun, T.K.Eriksen, F.Giacoppo, A.Gorgen, T.W.Hagen, M.Klintefjord, H.T.Nyhus, T.Renstrom, S.J.Rose, E.Sahin, S.Siem, T.Tornyi, G.M.Tveten, A.Voinov Shell-gap-reduced level densities in 89, 90Y NUCLEAR REACTIONS 89Y(p, p'), E=17 MeV; 89Y(d, p), E=11 MeV; measured Eγ, Iγ, γγ-coin, particle-γ-coin using CACTUS array at Oslo cyclotron laboratory. 89,90Y; deduced shell-gap-reduced level densities using Oslo method; calculated single-particle orbitals using Nilsson model, proton and neutron quasi-particle energies and pair breaking number, parity asymmetries. Comparison with combinatorial quasiparticle model, and temperature dependent combinatorial model with the D1M Gogny force (TDCG). Systematics of level densities for N=46-56 Sr, Y and Zr nuclei.
doi: 10.1103/PhysRevC.90.044309
2014VO07 Nucl.Data Sheets 119, 255 (2014) A.V.Voinov, S.M.Grimes, C.R.Brune, A.Burger, A.Gorgen, M.Guttormsen, A.C.Larsen, T.N.Massey, S.Siem Level Density Inputs in Nuclear Reaction Codes and the Role of the Spin Cutoff Parameter NUCLEAR REACTIONS 57Fe(α, p), E=2-16 MeV; measured Ep, Ip(θ), Eα, Iα(θ) using ΔE-E Si telescope; deduced unnormalized σ; calculated σ using EMPIRE code with different level density models from RIPL-3 database.
doi: 10.1016/j.nds.2014.08.070
2013LA03 Phys.Rev. C 87, 014319 (2013) A.C.Larsen, I.E.Ruud, A.Burger, S.Goriely, M.Guttormsen, A.Gorgen, T.W.Hagen, S.Harissopulos, H.T.Nyhus, T.Renstrom, A.Schiller, S.Siem, G.M.Tveten, A.Voinov, M.Wiedeking Transitional γ strength in Cd isotopes NUCLEAR REACTIONS 106,112Cd(3He, α), (3He, 3He'), E=38 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin using SiRi and CACTUS arrays at Oslo Cyclotron Laboratory. 105,106,111,112Cd; deduced level densities, γ-ray strength function. Comparisons with GLO model calculations, and with results of photonuclear reactions. Pygmy resonances. Effect of neutron skin oscillations or the spin-flip resonance.
doi: 10.1103/PhysRevC.87.014319
2013LA09 Acta Phys.Pol. B44, 563 (2013) A.C.Larsen, A.Burger, S.Goriely, M.Guttormsen, A.Gorgen, T.K.Eriksen, T.W.Hagen, S.Harissopulos, H.T.Nyhus, T.Renstrom, S.Rose, I.E.Ruud, A.Schiller, S.Siem, G.M.Tveten, A.Voinov Astrophysical Reaction Rates and the Low-energy Enhancement in the γ Strength COMPILATION 95Mo, Ti, Sc, V, Fe, Mo, Cd; compiled γ-strength functions.
doi: 10.5506/APhysPolB.44.563
2013LA35 Phys.Rev.Lett. 111, 242504 (2013) A.C.Larsen, N.Blasi, A.Bracco, F.Camera, T.K.Eriksen, A.Gorgen, M.Guttormsen, T.W.Hagen, S.Leoni, B.Million, H.T.Nyhus, T.Renstrom, S.J.Rose, I.E.Ruud, S.Siem, T.Tornyi, G.M.Tveten, A.V.Voinov, M.Wiedeking Evidence for the Dipole Nature of the Low-Energy γ Enhancement in 56Fe NUCLEAR REACTIONS 56Fe(p, X), E=16 MeV; measured reaction products, Eγ, Iγ. 13C, 16,17O, 28Si, 56,57Fe; deduced γ-ray strength function, σ(θ) for the high-energy γ-rays. Comparison with available data.
doi: 10.1103/PhysRevLett.111.242504
2013OG01 Phys.Rev. C 87, 014302 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Investigation of the 243Am + 48Ca reaction products previously observed in the experiments on elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, xn)287Mc/288Mc/289Mc, E=239.8-253.8 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ at U400 cyclotron facility of FLNR, JINR. 249Bk(48Ca, xn)293Ts/294Ts; 237Np(48Ca, 3n)282Nh; analyzed data. RADIOACTIVITY 287,288,289Mc, 283,284,285Nh, 279,280Rg, 275,276Mt, 271,272Bh(α); 267,268Db, 281Rg(SF); measured T1/2. 293,297Ts, 290Mc, 282,286Nh, 278,282Rg, 274,278Mt, 270,274Bh(α); 266,270Db(SF); analyzed and compared previous half-life data.
doi: 10.1103/PhysRevC.87.014302
2013OG03 Phys.Rev. C 87, 034605 (2013) Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, R.Graeger, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, M.A.Ryabinin, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, K.Subotic, A.M.Sukhov, Yu.S.Tsyganov, A.Turler, A.A.Voinov, G.K.Vostokin, P.A.Wilk, A.Yakushev Synthesis and study of decay properties of the doubly magic nucleus 270Hs in the 226Ra + 48Ca reaction NUCLEAR REACTIONS 226Ra(48Ca, 4n)270Hs, E=229, 234, 241 MeV; measured reaction products, σ(E), ER-α correlations using U400 cyclotron and Dubna gas-filled recoil separator at FLNR, JINR facility. Relatively high production cross section due to high fission barrier arising from nuclear shell effects. RADIOACTIVITY 270Hs(α)[from 226Ra(48Ca, 4n), E=229, 234, 241 MeV]; 266Sg(SF)[from 270Hs α decay]; measured Eα, evaporation residues-α correlations, T1/2. Comparison with previous studies. Systematics of α decay and SF half-lives for N=148-172 No, Rf, Sg, and Hs nuclei.
doi: 10.1103/PhysRevC.87.034605
2013OG04 Phys.Rev. C 87, 054621 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Experimental studies of the 249Bk+48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV; measured σ(E) for production of 293,294Ts using DGFRS separator at FLNR, JINR facility. Comparison with theoretical calculations. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 281,282Rg, 278Mt, 274Bh(α)[from α decay chains of 293Ts and 294Ts formed in 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV]; measured Eα, Iα, half-lives. 270Db, 277Mt, 281Rg(SF); measured decay energy, half-lives. 281Rg(α), (SF); measured α/SF branching ratio. 277Mt; identified new isotope. Systematics of Q(α), SF- and α-decay half-lives for isotopes in Z=104-117, N=150-177 regions.
doi: 10.1103/PhysRevC.87.054621
2013RA32 Phys.Rev. C 88, 064324 (2013) A.P.D.Ramirez, A.V.Voinov, S.M.Grimes, A.Schiller, C.R.Brune, T.N.Massey, A.Salas-Bacci Nuclear level densities of 64, 66Zn from neutron evaporation NUCLEAR REACTIONS 63Cu(d, n)64Zn, 65Cu(d, n)66Zn, E=6, 7.5 MeV; measured E(n), I(n), n(θ), σ(E, θ) using TOF technique at Edwards accelerator facility, Ohio University. Analysis by exciton model of nuclear reactions. Comparison with Hauser-Feshbach model calculations using EMPIRE and TALYS computer codes. Tested Fermi gas model, Gilber-Cameron model, and microscopic combinatorial approach with Hartree-Fock-Bogoliubov method (HFBM). 64,66Zn; deduced level densities versus the excitation energy.
doi: 10.1103/PhysRevC.88.064324
2013VO12 Phys.Rev. C 88, 054607 (2013) A.V.Voinov, S.M.Grimes, C.R.Brune, A.Burger, A.Gorgen, M.Guttormsen, A.C.Larsen, T.N.Massey, S.Siem Experimental differential cross sections, level densities, and spin cutoffs as a testing ground for nuclear reaction codes NUCLEAR REACTIONS 57Fe(α, p)60Co, 59Co(α, p)62Ni, E=21 MeV; 56Fe(7Li, p)62Ni, 55Mn(6Li, p)60Co, E=15 MeV; measured Ep, Ip, double-differential σ(θ); deduced spin cutoff parameter. Comparison with calculations using the EMPIRE reaction code, and different level density models. Excitation energy dependencies found to be inconsistent with the Fermi-gas model.
doi: 10.1103/PhysRevC.88.054607
2012KO31 Nucl.Sci.Eng. 172, 278 (2012) N.V.Kornilov, S.M.Grimes, A.Voinov New Analysis of Neutron-Induced Reactions at 14.5 MeV COMPILATION A=48-209; analyzed data for (n, 2n), (n, p) and (n, α) reactions; deduced systematics, simple parametrization. Comparison with nuclear model calculations, EMPIRE code.
doi: 10.13182/NSE11-61
2012LA02 Phys.Rev. C 85, 014320 (2012) A.C.Larsen, S.Goriely, A.Burger, M.Guttormsen, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov Primary γ-ray spectra in 44Ti of astrophysical interest NUCLEAR REACTIONS 46Ti(p, t), E=32 MeV; measured particle spectra, Eγ, Iγ, γγ-, (particle)γ-coin, primary continuum γ spectra 44Ti; deduced levels, J, π, radiative strength function, level density, average radiative width by applying the Oslo method. 46,48Ti; deduced levels, J, π. 40Ca(α, γ)44Ti; analyzed cross sections of astrophysical interest using TALYS code. Comparison with generalized Lorentzian (GLO) and previous studies.
doi: 10.1103/PhysRevC.85.014320
2012NY01 Phys.Rev. C 85, 014323 (2012) H.T.Nyhus, S.Siem, M.Guttormsen, A.C.Larsen, A.Burger, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov Level density and thermodynamic properties of dysprosium isotopes NUCLEAR REACTIONS 164Dy(3He, α), (3He, 3He'), E=38 MeV; measured particle spectra, Eγ, Iγ, γγ-coin, primary continuum γ spectra. 163Dy, 164Dy; deduced level density, γ-ray transmission coefficient, micro-canonical entropies, average temperature, heat capacity. Oslo method. Comparison with Fermi gas model calculations.
doi: 10.1103/PhysRevC.85.014323
2012OG02 Phys.Rev.Lett. 108, 022502 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin New Insights into the 243Am+48Ca Reaction Products Previously Observed in the Experiments on Elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=240 MeV; 243Am, 249Bk(48Ca, X)289Mc, E not given; measured reaction products. 291Mc, 291Mc, 297Ts; deduced σ. Comparison with other data. RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); 289Mc, 285Nh, 281Rg(α); 293Ts, 289Mc, 285Nh, 281Rg(α); measured decay products, Eα, Iα; deduced decay chains, strong support for the elements of 113 and 115.
doi: 10.1103/PhysRevLett.108.022502
2012OG06 Phys.Rev.Lett. 109, 162501 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Production and Decay of the Heaviest Nuclei 293, 294117 and 294118 NUCLEAR REACTIONS 249Bk(48Ca, X)293Ts/294Ts, E=247, 252 MeV; 249Cf(48Ca, 3n)294Og, E=245, 251 MeV; measured reaction products, Eα, Iα; deduced average σ, T1/2. Comparison with available data. RADIOACTIVITY 294Og, 293,294Ts, 290Lv, 289,290Mc(α), 286Fl(α), (SF), 285,286Nh(α), 282Cn(SF), 281Rg(SF), 282Rg(α), 278Mt, 274Bh(α), 270Db(SF); measured decay products, Eα, Iα; deduced discovery z=117 element, T1/2, decay branch, Q-values. Comparison with available data.
doi: 10.1103/PhysRevLett.109.162501
2011AD05 Phys.Rev. C 83, 052801 (2011) A.S.Adekola, D.W.Bardayan, J.C.Blackmon, C.R.Brune, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner Jr, N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov First proton-transfer study of 18F + p resonances relevant for novae NUCLEAR REACTIONS 2H(18F, n), E=150 MeV; measured α- and 15O-particle spectra. α(15O)-coin, σ(θ), DWBA analysis. 19Ne; deduced levels, J, π, L-transfers, resonances, proton and α-widths. 19Ne-19F mirror symmetry. 18F(p, α)15O; deduced reaction rates. Relevance to nova nucleosynthesis of 18F.
doi: 10.1103/PhysRevC.83.052801
2011AD24 Phys.Rev. C 84, 054611 (2011) A.S.Adekola, C.R.Brune, D.W.Bardayan, J.C.Blackmon, K.Y.Chae, C.Domizioli, U.Greife, Z.Heinen, M.J.Hornish, K.L.Jones, R.L.Kozub, R.J.Livesay, Z.Ma, T.N.Massey, B.Moazen, C.D.Nesaraja, S.D.Pain, J.F.Shriner, Jr., N.D.Smith, M.S.Smith, J.S.Thomas, D.W.Visser, A.V.Voinov Single-nucleon transfer reactions on 18F NUCLEAR REACTIONS 2H(18F, n)19Ne, (18F, p)19F, [secondary 18F beam from 16O(α, np)18F, E=85 MeV primary reaction], E=150 MeV; measured particle spectra, (15O)α-, (15N)α-coin, σ(θ), proton. 19F, 19Ne; deduced levels, J, π, l-values, spectroscopic factors, proton widths, asymptotic normalization coefficients, isospin mirror levels. DWBA analysis of σ(θ) data. Monte-Carlo simulations. Comparison with previous studies.
doi: 10.1103/PhysRevC.84.054611
2011GU02 Phys.Rev. C 83, 014312 (2011) M.Guttormsen, A.C.Larsen, A.Burger, A.Gorgen, S.Harissopulos, M.Kmiecik, T.Konstantinopoulos, M.Krticka, A.Lagoyannis, T.Lonnroth, K.Mazurek, M.Norrby, H.T.Nyhus, G.Perdikakis, A.Schiller, S.Siem, A.Spyrou, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov Fermi?s golden rule applied to the γ decay in the quasicontinuum of 46Ti NUCLEAR REACTIONS 46Ti(p, p'), E=15 MeV; measured Ep, Ip, pγ-coin, excitation functions; deduced level density and radiative strength function (RSF) using Oslo method. Fermi?s golden rule employed to disentangle the γ strength and level density in the γ decay between states in the quasicontinuum of 46Ti.
doi: 10.1103/PhysRevC.83.014312
2011HA63 J.Phys.:Conf.Ser. 312, 082026 (2011) J.H.Hamilton, Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.Benker, M.E.Bennett, S.N.Dmitriev, J.Ezold, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Tu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of the New Element with Z=117 NUCLEAR REACTIONS 249Bk(48Ca, 4n)293Ts, E=252 MeV;249Bk(48Ca, 3n)294Ts, E=252 MeV; measured Eα, α-decay chains, ER, fission fragments; deduced new element 117, T1/2.
doi: 10.1088/1742-6596/312/4/082026
2011LA05 Phys.Rev. C 83, 034315 (2011); Erratum Phys.Rev. C 97, 094901 (2018) A.C.Larsen, M.Guttormsen, M.Krticka, E.Betak, A.Burger, A.Gorgen, H.T.Nyhus, J.Rekstad, A.Schiller, S.Siem, H.K.Toft, G.M.Tveten, A.V.Voinov, K.Wikan Analysis of possible systematic errors in the Oslo method NUCLEAR REACTIONS 50V, 117Sn, 160,164Dy(3He, α), E not given; 50V, 160,162,164Dy(3He, 3He'), E not given; 46Ti(p, p'), E=15-32 MeV; analyzed previous experimental data and simulated data for particle and γ spectra, (particle)γ-coin, γ-ray transmission coefficients and strength functions, level densities. 56,57,58Fe, 96,97,98Mo(3He, 3He'); analyzed first generation matrix, parity distributions. Analysis of systematic errors in Oslo method for the simultaneous extraction of the level density and γ-ray transmission coefficient from (particle)γ-coincidence data.
doi: 10.1103/PhysRevC.83.034315
2011OG04 Phys.Rev. C 83, 054315 (2011) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, R.Taylor, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Eleven new heaviest isotopes of elements Z = 105 to Z = 117 identified among the products of 249Bk+48Ca reactions RADIOACTIVITY 293,294Ts(α)[from 249Bk(48Ca, xn), E=252 MeV]; 274Bh, 278Mt, 282Rg, 286Nh, 290Mc(α) [from α decay chain of 294Ts]; 281Rg, 285Nh, 289Mc(α)[from α decay chain of 293Ts]; 270Db(SF), (α), (EC)[from α decay of 274Bh]; 281Rg(SF)[from α decay of 285Nh]; measured Eα, half-lives and β decay energies of residues; deduced Q(α). Systematics of α decay half-lives, Q(α) values and β+, EC half-lives of Z=106-118, N=150-175, A=260-295 isotopes. NUCLEAR REACTIONS 249Bk(48Ca, xn)293Ts/294Ts, E=252 MeV; measured production cross sections.
doi: 10.1103/PhysRevC.83.054315
2011TO03 Phys.Rev. C 83, 044320 (2011) H.K.Toft, A.C.Larsen, A.Burger, M.Guttormsen, A.Gorgen, H.T.Nyhus, T.Renstrom, S.Siem, G.M.Tveten, A.Voinov Evolution of the pygmy dipole resonance in Sn isotopes NUCLEAR REACTIONS 122Sn(3He, 3He'), (3He, α), E=34 MeV; measured Eγ, Iγ, (particle)γ-coin, continuum γ spectra using Oslo method. 121,122Sn; deduced γ-ray strength functions, level densities, pygmy resonances. Comparison with experimental data for 113,115,116,117,118,119,120Sn, and model calculations.
doi: 10.1103/PhysRevC.83.044320
2011VO06 Phys.Rev. C 83, 054605 (2011) A.V.Voinov, S.M.Grimes, C.R.Brune, A.Burger, A.Gorgen, M.Guttormsen, A.C.Larsen, T.N.Massey, S.Siem, C.Kalbach Equilibrium and pre-equilibrium processes in the 55Mn(6Li, x p) and 57Fe(α, x p) reactions NUCLEAR REACTIONS 55Mn(6Li, xp), (6Li, xn), E=15 MeV; 57Fe(α, xp), E=30 MeV; measured neutron, proton and scattered α-particle spectra, cross sections, angular distributions. Comparison with calculations performed using the exciton pre-equilibrium model and Hauser-Feshbach evaporation model.
doi: 10.1103/PhysRevC.83.054605
2010NY01 Phys.Rev. C 81, 024325 (2010); Erratum Phys.Rev. C 82, 029909 (2010) H.T.Nyhus, S.Siem, M.Guttormsen, A.C.Larsen, A.Burger, N.U.H.Syed, G.M.Tveten, A.Voinov Radiative strength functions in 163, 164Dy NUCLEAR REACTIONS 164Dy(3He, 3He'), (3He, α), E=38 MeV; measured continuum γ spectra, particle spectra, and (particle)γ-coin; deduced level density, radiative strength functions, contributions from giant dipole resonances, and integrated B(M1) strength of pygmy resonances.
doi: 10.1103/PhysRevC.81.024325
2010OG01 Phys.Rev.Lett. 104, 142502 (2010) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of a New Element with Atomic Number Z = 117 NUCLEAR REACTIONS 249Bk(48Ca, 4n), E=252 MeV; 249Bk(48Ca, 3n) , E=247 MeV;measured Eα, Iα, α-α correlations. 293,294Ts; deduced σ, decay chains, T1/2. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 282Rg, 278Mt, 274Bh(α); measured Eα, Iα, and half-lives. 270Db, 281Rg(SF); measured TKE, and T1/2.
doi: 10.1103/PhysRevLett.104.142502
2010TO06 Phys.Rev. C 81, 064311 (2010) H.K.Toft, A.C.Larsen, U.Agvaanluvsan, A.Burger, M.Guttormsen, G.E.Mitchell, H.T.Nyhus, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov Level densities and γ-ray strength functions in Sn isotopes NUCLEAR REACTIONS 119Sn(3He, 3He), (3He, α), E=38 MeV; measured Eγ, particle-γ coin. 118,119Sn; deduced γ-ray strength functions, level densities, parity asymmetry functions, collective enhancement factors, and spin distributions. Oslo method. Combinatorial BCS model.
doi: 10.1103/PhysRevC.81.064311
2010VO01 Phys.Rev. C 81, 024319 (2010) A.Voinov, S.M.Grimes, C.R.Brune, M.Guttormsen, A.C.Larsen, T.N.Massey, A.Schiller, S.Siem γ-strength functions in 60Ni from two-step cascades following proton capture NUCLEAR REACTIONS 59Co(p, 2γ), E=1.85 MeV; measured Eγ; analyzed two-step γ cascades populating 2+ state; deduced E1 and M1 γ-strength functions. Comparison with other studies.
doi: 10.1103/PhysRevC.81.024319
2009AG01 Phys.Rev. C 79, 014320 (2009) U.Agvaanluvsan, A.C.Larsen, M.Guttormsen, R.Chankova, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov Evidence for the pair-breaking process in 116, 117Sn NUCLEAR REACTIONS 117Sn(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ, particle spectra, (particle)γ-coin. 116,117Sn; deduced excitation energies, entropies, level densities, microcanonical temperatures.
doi: 10.1103/PhysRevC.79.014320
2009AG03 Phys.Rev.Lett. 102, 162504 (2009) U.Agvaanluvsan, A.C.Larsen, R.Chankova, M.Guttormsen, G.E.Mitchell, A.Schiller, S.Siem, A.Voinov Enhanced Radiative Strength in the Quasicontinuum of 117Sn NUCLEAR REACTIONS 117Sn(3He, 3He'), E=38 MeV; measured Eγ, Iγ, 7radiative strength function. 117Sn; deduced level density.
doi: 10.1103/PhysRevLett.102.162504
2009NY01 Acta Phys.Pol. B40, 593 (2009) H.T.Nyhus, S.Siem, M.Guttormsen, A.C.Larsen, A.Burger, N.U.H.Syed, H.K.Toft, G.M.Tveten, A.Voinov Level Densities, Thermodynamics and γ-Ray Strength Functions in 163, 164Dy NUCLEAR REACTIONS 163,164Dy(3He, α), (3He, 3He'), E not given;measured Eγ, Iγ, Eα, Iα; deduced level densities, γ-ray strength functions, pygmy resonance.
2009OG02 Phys.Rev. C 79, 024603 (2009) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, S.N.Dmitriev, R.A.Henderson, K.J.Moody, J.M.Kenneally, J.H.Landrum, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Attempt to produce element 120 in the 244Pu+58Fe reaction NUCLEAR REACTIONS 244Pu(58Fe, xn)298120/299120, E=330.4 MeV;measured α-particle spectra, (evaporation residues)α-coin, and upper limit of production cross section for Z=120 element. No decay chains for 298120 and 299120 were observed.
doi: 10.1103/PhysRevC.79.024603
2009OG06 Phys.Rev. C 80, 034305 (2009) B.M.Oginni, S.M.Grimes, A.V.Voinov, A.S.Adekola, C.R.Brune, D.E.Carter, Z.Heinen, D.Jacobs, T.N.Massey, J.E.O'Donnell, A.Schiller Test of level density models from reactions of 6Li on 58Fe and 7Li on 57Fe NUCLEAR REACTIONS 58Fe(6Li, X), E=15 MeV; 57Fe(7Li, X), E=15 MeV; measured particle spectra, σ, angular distributions; deduced optical model parameters. 60Co, 63Ni; deduced level densities. Comparison with Hauser-Feshbach model calculations.
doi: 10.1103/PhysRevC.80.034305
2009SY01 Phys.Rev. C 79, 024316 (2009) N.U.H.Syed, M.Guttormsen, F.Ingebretsen, A.C.Larsen, T.Lonnroth, J.Rekstad, A.Schiller, S.Siem, A.Voinov Level density and γ-decay properties of closed shell Pb nuclei NUCLEAR REACTIONS 206,208Pb(3He, 3He'γ), (3He, αγ), E=38 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced spin distributions, level densities, entropies, temperature, γ-ray strength functions. Comparison of E1 and M1 strengths with Standard Lorentzian and enhanced generalized Lorentzian models.
doi: 10.1103/PhysRevC.79.024316
2009VO02 Phys.Rev. C 79, 031301 (2009) A.V.Voinov, B.M.Oginni, S.M.Grimes, C.R.Brune, M.Guttormsen, A.C.Larsen, T.N.Massey, A.Schiller, S.Siem Nuclear excitations at constant temperature NUCLEAR REACTIONS 55Mn(6Li, X), (7Li, X), E=15 MeV; 59Co(d, p), (d, α), E=7.5 MeV; measured neutron and proton evaporation spectra, α spectra, σ. Hauser-Feshbach analysis. Comparison with predictions of constant temperature, Fermi-gas, and Hartree-Fock-BCS models.
doi: 10.1103/PhysRevC.79.031301
2008AL35 Phys.Rev. C 78, 054321 (2008) E.Algin, U.Agvaanluvsan, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov Thermodynamic properties of 56, 57Fe NUCLEAR REACTIONS 57Fe(3He, 3He'γ), (3He, αγ), E=45 MeV; measured Eγ, Iγ, (particle)γ-coin. Deduced level densities, thermodynamic properties.
doi: 10.1103/PhysRevC.78.054321
2008VO02 Phys.Rev. C 77, 034613 (2008) A.V.Voinov, S.M.Grimes, A.C.Larsen, C.R.Brune, M.Guttormsen, T.Massey, A.Schiller, S.Siem, N.U.H.Syed Level densities of 44Sc and 47Ti from different experimental techniques NUCLEAR REACTIONS 45Sc(3He, α), (3He, p), E=11 Mev; measured Eγ, Iγ, particle spectra, α particle angular distributions; deduced level density, αγ-coin. 44Sc, 47Ti; deduced level density. Comparison with theory.
doi: 10.1103/PhysRevC.77.034613
2007AL49 Phys.Atomic Nuclei 70, 1634 (2007) E.Algin, A.Schiller, A.Voinov, U.Agvaanluvsan, T.Belgya, L.A.Bernstein, C.R.Brune, R.Chankova, P.E.Garrett, S.M.Grimes, M.Guttormsen, M.Hjorth-Jensen, M.J.Hornish, C.W.Johnson, T.Massey, G.E.Mitchell, J.Rekstad, S.Siem, W.Younes Bulk properties of iron isotopes NUCLEAR REACTIONS 57Fe(3He, α), (3He, 3He'), E=45 MeV; 56Fe(n, γ), E=thermal; 55Mn(d, n), E=7.0 MeV; measured Eγ, Iγ. Deduced nuclear level densities and radiative strength functions. Compared results to model calculations.
doi: 10.1134/S1063778807090232
2007GU15 Acta Phys.Pol. B38, 1489 (2007) M.Guttormsen, R.Chankova, A.C.Larsen, J.Rekstad, S.Siem, N.U.H.Syed, U.Agvaanluvsan, A.Schiller, A.Voinov The Role of Broken Cooper Pairs in Warm Nuclei
2007LA23 Acta Phys.Pol. B38, 1495 (2007) A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, S.W.Odegard, J.Rekstad, S.Siem, N.U.H.Syed, A.Schiller, A.Voinov Radiative Strength Functions of Warm Nuclei in the 1f7/2 Shell NUCLEAR REACTIONS 51V, 45Sc(3He, αγ), (3He, 3He'γ), E=30, 38 MeV; measured Eγ, Eα, E(3He), (particle)γ-coinc. 50,51V, 44,45Sc deduced level densities and giant resonance strength functions.
2007LA31 Phys.Rev. C 76, 044303 (2007) A.C.Larsen, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov Nuclear level densities and γ-ray strength functions in 44, 45Sc NUCLEAR REACTIONS 45Sc(3He, αγ), (3He, 3He'γ), E=38 MeV; measured Eγ, Iγ. 44Sc, 45Sc; deduced level densities, γ-strength functions, parity asymmetry.
doi: 10.1103/PhysRevC.76.044303
2007OG02 Phys.Rev. C 76, 011601 (2007) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, R.A.Henderson, J.M.Kenneally, J.H.Landrum, K.J.Moody, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Synthesis of the isotope 282113 in the 237Np+48Ca fusion reaction NUCLEAR REACTIONS 237Np(48Ca, 3n)282Nh, E=244 MeV; measured Eα, production cross section and T1/2.
doi: 10.1103/PhysRevC.76.011601
2007VO08 Phys.Rev. C 76, 044602 (2007) A.V.Voinov, S.M.Grimes, C.R.Brune, M.J.Hornish, T.N.Massey, A.Salas Test of nuclear level density inputs for Hauser-Feshbach model calculations NUCLEAR REACTIONS 59Co(d, n), (d, p), (d, α), 58Fe(3He, n), (3He, p), (3He, α)61Ni, E=7.5, 10 MeV; measured neutron, proton and α particle spectra, reaction cross sections. 57Fe, 60Ni, 60Cu; deduced level densities.
doi: 10.1103/PhysRevC.76.044602
2006CH14 Phys.Rev. C 73, 034311 (2006) R.Chankova, A.Schiller, U.Agvaanluvsan, E.Algin, L.A.Bernstein, M.Guttormsen, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, S.Siem, A.C.Larsen, A.Voinov, S.Odegard Level densities and thermodynamical quantities of heated 93-98Mo isotopes NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced level densities; deduced thermodynamical quantities, phase transition features.
doi: 10.1103/PhysRevC.73.034311
2006KA40 Phys.Rev. C 74, 024325 (2006) K.Kaneko, M.Hasegawa, U.Agvaanluvsan, E.Algin, R.Chankova, M.Guttormsen, A.C.Larsen, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.Voinov Breaking of nucleon Cooper pairs at finite temperature in 93-98Mo NUCLEAR STRUCTURE 93,94,95,96,97,98Mo; calculated level densities, heat capacities, pair correlation features.
doi: 10.1103/PhysRevC.74.024325
2006LA12 Phys.Rev. C 73, 064301 (2006) A.C.Larsen, R.Chankova, M.Guttormsen, F.Ingebretsen, S.Messelt, J.Rekstad, S.Siem, N.U.H.Syed, S.W.Odegard, T.Lonnroth, A.Schiller, A.Voinov Microcanonical entropies and radiative strength functions of 50, 51V NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E=30 MeV; measured Eγ, Iγ, (particle)γ-coin. 50,51V deduced level densities, radiative strength functions.
doi: 10.1103/PhysRevC.73.064301
2006OG05 Phys.Rev. C 74, 044602 (2006) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, K.J.Moody, J.B.Patin, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk, J.M.Kenneally, J.H.Landrum, J.F.Wild, R.W.Lougheed Synthesis of the isotopes of elements 118 and 116 in the 249Cf and 245Cm + 48Ca fusion reactions NUCLEAR REACTIONS 245Cm(48Ca, 2n), (48Ca, 3n), E=249, 255 MeV; 249Cf(48Ca, 3n), E=251 MeV; measured Eα, αα-coin, fission fragment spectra following residual nucleus decay; deduced σ. RADIOACTIVITY 294Og, 290,291Lv, 286,287Fl, 283Cn, 279Ds, 275Hs, 271Sg(α) [from 245Cm, 249Cf(48Ca, xn) and subsequent decay]; measured Eα, T1/2. 282Cn, 267Rf(SF) [from α-decay of 286Rf and 271Sg]; measured fission fragment spectra, T1/2.
doi: 10.1103/PhysRevC.74.044602
2006SC07 Phys.Lett. B 633, 225 (2006) A.Schiller, A.Voinov, E.Algin, J.A.Becker, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem Low-energy M1 excitation mode in 172Yb NUCLEAR REACTIONS 173Yb(3He, α), E=45 MeV; 171Yb(n, γ), E=thermal; measured Eγ, Iγ, (particle)γ-coin, γγ-coin. 172Yb deduced radiative strength functions, resonance multipolarity, B(M1).
doi: 10.1016/j.physletb.2005.12.043
2006SC17 Phys.Rev. C 74, 017305 (2006) A.Schiller, A.V.Voinov, E.Algin, L.A.Bernstein, P.E.Garrett, M.Guttormsen, R.O.Nelson, J.Rekstad, S.Siem Primary versus secondary γ intensities in 171Yb(nth, γ) NUCLEAR REACTIONS 171Yb(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin; deduced primary and secondary γ intensities.
doi: 10.1103/PhysRevC.74.017305
2006VO06 Phys.Rev. C 74, 014314 (2006) A.V.Voinov, S.M.Grimes, U.Agvaanluvsan, E.Algin, T.Belgya, C.R.Brune, M.Guttormsen, M.J.Hornish, T.Massey, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem Level density of 56Fe and low-energy enhancement of γ-strength function NUCLEAR REACTIONS 55Mn(d, n), E=7 MeV; measured En, σ(E, θ). 56Fe deduced level density, γ-strength function.
doi: 10.1103/PhysRevC.74.014314
2005AG15 Nucl.Instrum.Methods Phys.Res. B241, 180 (2005) U.Agvaanluvsan, E.Algin, J.A.Becker, M.Guttormsen, G.E.Mitchell, S.Siem, A.Schiller, A.Voinov Investigation of the radiative strength function NUCLEAR REACTIONS 57Fe, 171Yb(3He, 3He'), E=38-45 MeV; 117Sn, 172Yb(3He, α), E=38-45 MeV; measured Eγ, Iγ, (particle)γ-coin; deduced radiative strength functions.
doi: 10.1016/j.nimb.2005.07.081
2005GU16 Phys.Rev. C 71, 044307 (2005) M.Guttormsen, R.Chankova, U.Agvaanluvsan, E.Algin, L.A.Bernstein, F.Ingebretsen, T.Lonnroth, S.Messelt, G.E.Mitchell, J.Rekstad, A.Schiller, S.Siem, A.C.Sunde, A.Voinov, S.Odegard Radiative strength functions in 93-98Mo NUCLEAR REACTIONS 94,96Mo(3He, 3He'), (3He, α), E=30 MeV; 97,98Mo(3He, 3He'), (3He, α), E=45 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 93,94,95,96,97,98Mo deduced radiative strength functions.
doi: 10.1103/PhysRevC.71.044307
2005OG02 Phys.Rev. C 72, 034611 (2005) Yu.Ts.Oganessian, V.K.Utyonkov, S.N.Dmitriev, Yu.V.Lobanov, M.G.Itkis, A.N.Polyakov, Yu.S.Tsyganov, A.N.Mezentsev, A.V.Yeremin, A.A.Voinov, E.A.Sokol, G.G.Gulbekian, S.L.Bogomolov, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, S.V.Shishkin, V.I.Chepigin, G.K.Vostokin, N.V.Aksenov, M.Hussonnois, K.Subotic, V.I.Zagrebaev, K.J.Moody, J.B.Patin, J.F.Wild, M.A.Stoyer, N.J.Stoyer, D.A.Shaughnessy, J.M.Kenneally, P.A.Wilk, R.W.Lougheed, H.W.Gaggeler, D.Schumann, H.Bruchertseifer, R.Eichler Synthesis of elements 115 and 113 in the reaction 243Am + 48Ca NUCLEAR REACTIONS 243Am(48Ca, 3n), (48Ca, 4n), E=248, 253 MeV; measured delayed Eα, αα-coin; deduced σ. RADIOACTIVITY 287,288Mc, 283,284Nh, 279,280Rg, 275,276Mt, 272Bh(α) [from 243Am(48Ca, xn) and subsequent decay]; measured Eα, T1/2; deduced Qα. 267,268Db(SF); measured T1/2.
doi: 10.1103/PhysRevC.72.034611
2005OG03 Eur.Phys.J. A 25, Supplement 1, 589 (2005) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, I.V.Shirokovsky, Yu.S.Tsyganov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, A.A.Voinov, G.V.Buklanov, K.Subotic, V.I.Zagrebaev, M.G.Itkis, J.B.Patin, K.J.Moody, J.F.Wild, M.A.Stoyer, N.J.Stoyer, D.A.Shaughnessy, J.M.Kenneally, P.A.Wilk, R.W.Lougheed New elements from Dubna NUCLEAR REACTIONS 238U(48Ca, 3n), (48Ca, 4n), 233U, 242Pu(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), E ≈ 230-250 MeV; measured σ. RADIOACTIVITY 294Og, 290,291,292,293Lv, 287,288,289Fl, 285Cn, 275Hs(α); 286Fl, 283Cn, 279Ds, 271Sg(α), (SF);282,284Cn, 281Ds, 267Rf(SF); measured Eα, T1/2, branching ratios.
doi: 10.1140/epjad/i2005-06-134-9
2005SI07 Acta Phys.Pol. B36, 1089 (2005) S.Siem, M.Guttormsen, E.Algin, U.Agvaanluvsan, T.Belgya, R.Chankova, G.Mitchell, L.A.Bernstein, J.Rekstad, A.Schiller, A.C.Sunde, N.Syed, A.Voinov Soft resonances in hot nuclei NUCLEAR STRUCTURE 93,94,95,96,97,98Mo, 148,149Sm, 161,162Dy, 166,167Er, 171,172Yb; analyzed radiative strength functions, resonance features.
2005SU07 Acta Phys.Pol. B36, 1197 (2005) A.C.Sunde, M.Guttormsen, R.Chankova, F.Ingebretsen, T.Lonnroth, S.Messelt, J.Rekstad, A.Schiller, S.Siem, N.U.H.Syed, A.Voinov, S.W.Odegard Thermal and electromagnetic properties of the light vanadium isotopes 50, 51V NUCLEAR REACTIONS 51V(3He, 3He'), (3He, α), E not given; measured Eγ, Iγ. 50,51V deduced radiative strength functions, thermodynamic properties.
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