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NSR database version of May 24, 2024.

Search: Author = L.K.Felker

Found 5 matches.

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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
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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
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2005AH03      Phys.Rev. C 71, 054305 (2005)

I.Ahmad, F.G.Kondev, E.F.Moore, M.P.Carpenter, R.R.Chasman, J.P.Greene, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Seweryniak, R.W.Hoff, J.E.Evans, R.W.Lougheed, C.E.Porter, L.K.Felker

Energy levels of 249Bk populated in the α decay of 25399Es and β- decay of 24996Cm

RADIOACTIVITY 253Es(α); measured Eα, Eγ, γγ-, αγ-coin. 249Cm(β-) [from 248Cm(n, γ)]; measured Eγ, Iγ. 249Bk deduced levels, J, π, configurations, B(λ), g factors. 253Es(SF); measured Eγ, Iγ from fission fragment decay; deduced fission branching ratio. Gammasphere array, comparisons with model predictions.

doi: 10.1103/PhysRevC.71.054305
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2005AH09      Phys.Rev. C 72, 054308 (2005)

I.Ahmad, J.P.Greene, E.F.Moore, F.G.Kondev, R.R.Chasman, C.E.Porter, L.K.Felker

Energy levels of 251Cf populated in the α decay of 255100Fm and EC decay of 25199Es

RADIOACTIVITY 255Fm(α); measured Eγ, Iγ. 251Es(EC); measured Eγ, Iγ, E(ce), I(ce). 251Cf deduced levels, J, π, configurations, vibrational states.

doi: 10.1103/PhysRevC.72.054308
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2003AH07      Phys.Rev. C 68, 044306 (2003)

I.Ahmad, R.R.Chasman, J.P.Greene, F.G.Kondev, E.F.Moore, E.Browne, C.E.Porter, L.K.Felker

Energy level of 247Cm populated in the α decay of 25198Cf

RADIOACTIVITY 251Cf(α); measured Eα, Eγ, E(ce), αγ-coin; deduced hindrance factors. 247Cm deduced levels, J, π, T1/2, octupole mixing. Comparison with model predictions.

doi: 10.1103/PhysRevC.68.044306
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