NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Ezold Found 11 matches. 2023RO15 Eur.Phys.J. A 59, 304 (2023) J.B.Roberto, M.Du, J.G.Ezold, S.L.Hogle, J.Moon, K.Myhre, K.P.Rykaczewski Actinide targets for the synthesis of superheavy nuclei
doi: 10.1140/epja/s10050-023-01144-y
2023WE04 Phys.Rev. C 107, 034313 (2023) F.Weber, T.E.Albrecht-Schonzart, S.O.Allehabi, S.Berndt, M.Block, H.Dorrer, C.E.Dullmann, V.A.Dzuba, J.G.Ezold, V.V.Flambaum, V.Gadelshin, S.Goriely, A.Harvey, R.Heinke, S.Hilaire, M.Kaja, T.Kieck, N.Kneip, U.Koster, J.Lantis, C.Mokry, D.Munzberg, S.Nothhelfer, S.Oberstedt, S.Peru, S.Raeder, J.Runke, V.Sonnenschein, M.Stemmler, D.Studer, P.Thorle-Pospiech, H.Tomita, N.Trautmann, S.Van Cleve, J.Warbinek, K.Wendt Nuclear moments and isotope shifts of the actinide isotopes 249-253Cf probed by laser spectroscopy NUCLEAR MOMENTS 249,250,251,252,253Cf; measured hyperfine spectra; deduced energy positions of three atomic ground-state transitions, isotope shifts. 249,251,253Cf; deduced nuclear magnetic dipole moments, hyperfine parameters. 249,253Cf; deduced spectroscopic quadrupole moments. Comparison with previous experimental data. Laser resonance ionisation high-resolution spectroscopy. Comparison to theoretical estimations. RISIKO mass separator at Johannes Gutenberg University Mainz.
doi: 10.1103/PhysRevC.107.034313
2022NO01 Phys.Rev. C 105, L021302 (2022) S.Nothhelfer, Th.E.Albrecht-Schonzart, M.Block, P.Chhetri, Ch.E.Dullmann, J.G.Ezold, V.Gadelshin, A.Gaiser, F.Giacoppo, R.Heinke, T.Kieck, N.Kneip, M.Laatiaoui, Ch.Mokry, S.Raeder, J.Runke, F.Schneider, J.M.Sperling, D.Studer, P.Thorle-Pospiech, N.Trautmann, F.Weber, K.Wendt Nuclear structure investigations of 253-255Es by laser spectroscopy NUCLEAR MOMENTS 253,254,255Es; measured hyperfine spectra; deduced J, isotope shifts, hyperfine constants, nuclear spins, magnetic dipole moments, electric quadrupole moments. Comparison with previous experimental data. Laser resonance ionization spectroscopy. RISIKO mass separator at Johannes Gutenberg University Mainz.
doi: 10.1103/PhysRevC.105.L021302
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
2015RO25 Nucl.Phys. A944, 99 (2015) J.B.Roberto, C.W.Alexander, R.A.Boll, J.D.Burns, J.G.Ezold, L.K.Felker, S.L.Hogle, K.P.Rykaczewski Actinide targets for the synthesis of super-heavy elements
doi: 10.1016/j.nuclphysa.2015.06.009
2013AH03 Phys.Rev. C 87, 054328 (2013) I.Ahmad, J.P.Greene, F.G.Kondev, S.Zhu, M.P.Carpenter, R.V.F.Janssens, R.A.Boll, J.G.Ezold, S.M.Van Cleve, E.Browne α decay of 97249Bk and levels in 95245Am RADIOACTIVITY 249Bk(α); measured Eγ, Iγ, Eα, Iα, γα-, γγ-coin, absolute Iγ of 327.45-keV γ ray. Alpha spectra measured using Argonne double-focusing magnetic spectrometer. 249Cf(α)[from 249Bk β- decay]; measured Eα, Eγ. 245Am; deduced levels, J, π, bands, Nilsson configurations, strong Coriolis mixing, hindrance factors. Comparison with previous experimental results. Systematics of low-lying levels in 239,241,243,245Am.
doi: 10.1103/PhysRevC.87.054328
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
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
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
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
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
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