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NSR database version of April 26, 2024.

Search: Author = L.K.Felker

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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 ^{249,250,251,252}Cf(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 T_1/2. ^294,296Og(α); comparison of experimental values for Q(α) and T_1/2 for ²⁹⁴Og with theoretical predictions for ²⁹⁴Og and ²⁹⁶Og.

doi: 10.1103/PhysRevC.98.024317
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Data from this article have been entered in the XUNDL database. For more information, click here.

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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Data from this article have been entered in the XUNDL database. For more information, click here.

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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Data from this article have been entered in the XUNDL database. For more information, click here.

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, T_1/2, octupole mixing. Comparison with model predictions.

doi: 10.1103/PhysRevC.68.044306
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Data from this article have been entered in the XUNDL database. For more information, click here.