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NSR database version of April 11, 2024.

Search: Author = E.E.Tereshatov

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2022WE04      Phys.Rev. C 106, 054615 (2022)

T.A.Werke, C.S.Salas, K.J.Glennon, D.A.Mayorov, E.E.Tereshatov, M.F.Volia, D.M.Wright, C.M.Folden, III

Measurement of fusion-evaporation cross sections for reactions of 44Ca with 154, 156, 157, 160Gd targets

NUCLEAR REACTIONS 154,156,157,160Gd(44Ca, X), (44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 6n), (44Ca, 7n), (44Ca, 8n), E=214.3, 229.7 MeV; measured reaction products, evaporation residues, Eα, Iα, (fragment)α-coin; deduced total σ, evaporation residues σ. Comparison to theoretical calculations. Observed that collective enhancement to level density (CELD) applied in the calculations has a significant impact on the production of the spherical evaporation residues. Momentum Achromat Recoil Spectrometer (MARS) at K500 superconducting cyclotron of Cyclotron Institute at Texas A

RADIOACTIVITY 194,195,195m,196,197,197m,198,199mPo(α)[from 154,156,157,160Gd(44Ca, X)]; measured Eα, Iα, (fragment)α-coin deduced T1/2. Comparison to previous experimental results. Momentum Achromat Recoil Spectrometer (MARS) at K500 superconducting cyclotron of Cyclotron Institute at Texas A

doi: 10.1103/PhysRevC.106.054615
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2020HO10      Phys.Rev. C 102, 014310 (2020)

V.Horvat, E.E.Tereshatov, J.C.Hardy, N.Nica, C.M.Folden, V.E.Iacob, M.B.Trzhaskovskaya

K-shell internal conversion coefficient for M4 decay of the 30.8 keV isomer in 93Nb

RADIOACTIVITY 93Nb(IT); measured Eγ, Iγ, and K-shell conversion coefficient of the 30.76-keV M4 transition from the 30.76-keV, (1/2-) isomer using a Si(Li) detector for direct IT γ-ray and IC K-shell x-ray detection; deduced precise level energy of the isomer. Comparison with different theoretical models.

doi: 10.1103/PhysRevC.102.014310
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2020KH11      Phys.Rev. C 102, 064602 (2020)

J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.B.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

Search for elements 119 and 120

NUCLEAR REACTIONS 249Bk, 249Cf(50Ti, X)299119*/299120*, E(average)=281.5 MeV; measured evaporation residues (ERs), Eα, correlated ER-α and ER-α12-SF events using UNILAC accelerator, TASCA separator, and Focal plane detector system (FPDS) consisting of double-sided silicon strip (DSSD) detectors, and Si-strip detectors for position and time correlations of events. 295,296119, 295,296120; deduced no evidence for non-random correlated events related to 3n- or 4n-channel deexcitations of the compound nuclei 299119 and 299120, within a sensitivity limit of one event corresponding to σ=65 fb for 249Bk+50Ti reaction and σ=200 fb for 249Cf+50Ti; discussed nonobservation of Z=119 and 120 superheavy elements within the context of the fusion-evaporation reaction mechanism.

doi: 10.1103/PhysRevC.102.064602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD8036.


2019KH04      Phys.Rev. C 99, 054306 (2019)

J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

Fusion reaction 48Ca + 249Bk leading to formation of the element Ts (Z=117)

NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n)293Ts/294Ts, E=252.1, 254.0, 258.0 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, (ER)α-correlated decay chains, and σ using double-sided silicon strip detectors for α detection, TASCA separator for evaporation residue, and multiwire proportional counter for detection of residues at UNILAC accelerator facility of GSI. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility.

RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db(α); 293Ts, 289Mc, 285Nh, 281Rg(α); 266Lr, 270Db, 277Mt, 277Hs(SF); measured Eα, Iα, SF events, half-lives. 266Lr, 270Db(α), (SF); measured half-lives and α/SF branching ratios. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. A=200-240; A=240-260; systematics of α-decay half-lives of isotopes produced in 48Ca+249Bk and 48Ca+249Cf reactions.

doi: 10.1103/PhysRevC.99.054306
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0944. Data from this article have been entered in the XUNDL database. For more information, click here.


2015MA63      Phys.Rev. C 92, 054601 (2015)

D.A.Mayorov, T.A.Werke, M.C.Alfonso, E.E.Tereshatov, M.E.Bennett, M.M.Frey, C.M.Folden

Evaporation residue excitation function measurements in 50Ti- and 54Cr-induced reactions with lanthanide targets

NUCLEAR REACTIONS 160Gd, 159Tb, 162Dy(50Ti, 3n), (50Ti, 4n), (50Ti, 5n), 159Tb, 162Dy(50Ti, 2np), (50Ti, 3np), 159Tb(50Ti, 4np), E=4.9 MeV/nucleon; 162Dy(54Cr, 4n), (54Cr, 5n), (54Cr, 2np), (54Cr, 3np), 5.1 MeV/nucleon; measured reaction products, Eα and half-lives of the radioactive isotopes produced, σ(E) of evaporation residues (ER), (ER)αα-correlations, using MARS spectrometer at Texas A and M cyclotron facility. Enriched targets. 159Tb, 162Dy(48Ca, 3n), 154Gd, 159Tb, 162Dy, 165Ho(48Ca, 4n), (48Ca, 5n), 176Hf(40Ar, 4n), (40Ar, 5n), 124Sn(92Zr, 4n), (92Zr, 5n), E(*)=35-60 MeV; analyzed σ(E). Statistical model analysis, and comparison with predictions of Bohr-Wheeler transition-state theory. Discussed effect of collective enhancement of level density (CELD).

RADIOACTIVITY 204,205,206Rn, 204,205,206,208,209Fr, 208,209Ra(α)[from 160Gd, 159Tb, 162Dy(50Ti, X), E=4.9 MeV/nucleon; 212,213Ac(α)[from 162Dy(54Cr, X), E=5.1 MeV/nucleon]; measured Eα, half-lives of 205Fr and 208Ra decays.

doi: 10.1103/PhysRevC.92.054601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2203. Data from this article have been entered in the XUNDL database. For more information, click here.


2015WE13      Phys.Rev. C 92, 034613 (2015)

T.A.Werke, D.A.Mayorov, M.C.Alfonso, M.E.Bennett, M.J.DeVanzo, M.M.Frey, E.E.Tereshatov, C.M.Folden

Hot fusion-evaporation cross sections of 45Sc-induced reactions with lanthanide targets

NUCLEAR REACTIONS 156,157,158,160Gd, 159Tb, 162Dy(45Sc, 3n), (45Sc, 4n), (45Sc, 5n), (45Sc, 6n), (45Sc, 2np), (45Sc, 3np), 162Dy(45Sc, α), (45Sc, nα), (45Sc, 2nα), E≈5 MeV/nucleon; measured reaction products, Eα from decay products, evaporation residue cross sections σ(E) for 3n-, 4n-, 5n-, 6n-, p2n-, p3n-, p4n-, p5n-channels and α-, αn, α2n-channels for 162Dy using Momentum Achromat Recoil Spectrometer (MARS) at Texas A and M; deduced influence of collective enhancements to level density (CELD). Comparison with theoretical model for the fusion-evaporation process. Relevance to production of SHE region nuclei.

RADIOACTIVITY 197,198,199,200m,201At, 197,198,199,201mPo, 200,203mRn, 203Fr(α)[from 156,157,158,160Gd, 159Tb, 162Dy(45Sc, 4n), (45Sc, 3np), E≈5 MeV/nucleon]; measured Eα. Comparison with previously measured values.

doi: 10.1103/PhysRevC.92.034613
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2193.


2015WE16      Phys.Rev. C 92, 054617 (2015)

T.A.Werke, D.A.Mayorov, M.C.Alfonso, E.E.Tereshatov, C.M.Folden, III

Hot fusion-evaporation cross sections of 44Ca-induced reactions with lanthanide targets

NUCLEAR REACTIONS 158Gd(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 6n), E=177.6, 184.2, 185.7, 188.4, 191.3, 196.0; 159Tb(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 3np), (44Ca, 4np), (44Ca, 5np), E=184.7, 189.8, 196.3, 200.5, 208.0; 162Dy(44Ca, 3n), (44Ca, 4n), (44Ca, 5n), (44Ca, 2np), (44Ca, 3np), (44Ca, 4np), (44Ca, 5np), E=183.7, 188.9, 195.4, 199.5, 207.1; measured reaction products, σ(E) using Momentum Recoil Achromat Spectrometer (MARS) at Cyclotron Institute of Texas A and M University. Comparison with theoretical model calculations with and without consideration of collective enhancements to level density (CELD), and with experimental σ(E) for 45Sc induced reactions on the same targets; deduced little evidence for cross-sectional enhancement due to shell stabilization of compound nucleus.

RADIOACTIVITY 197,198Po(α)[from 158Gd(44Ca, 5n), (44Ca, 4n), E≈5 MeV/nucleon]; 199At, 199mPo(α)[from 159Tb(44Ca, 4n), (44Ca, 3np), E≈5 MeV/nucleon]; 202Rn, 202At(α)[from 162Dy(44Ca, 4n), (44Ca, 3np), E≈5 MeV/nucleon]; Measured Eα, and T1/2 of 199At, 202Rn decays. Comparison with evaluated data in the chart of nuclides on NNDC webpage.

doi: 10.1103/PhysRevC.92.054617
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2206. Data from this article have been entered in the XUNDL database. For more information, click here.


2014KH04      Phys.Rev.Lett. 112, 172501 (2014)

J.Khuyagbaatar, A.Yakushev, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva

48Ca + 249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr

NUCLEAR REACTIONS 249Bk(48Ca, X)294Ts, E=268.3, 270.2, 274.1 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with experimental data.

RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db, 266Lr(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with experimental data.

doi: 10.1103/PhysRevLett.112.172501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0731. Data from this article have been entered in the XUNDL database. For more information, click here.


2010EI01      Radiochim.Acta 98, 133 (2010)

R.Eichler, N.V.Aksenov, Yu.V.Albin, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, V.A.Gorshkov, R.A.Henderson, A.M.Johnsen, J.M.Kenneally, V.Ya.Lebedev, O.N.Malyshev, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, D.Piguet, A.G.Popeko, P.Rasmussen, A.Serov, D.A.Shaughnessy, S.V.Shishkin, A.V.Shutov, M.A.Stoyer, N.J.Stoyer, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk, D.Wittwer, A.V.Yeremin

Indication for a volatile element 114

RADIOACTIVITY 287,288Fl(α); measured atomic properties of element 114; deduced volatility. Comparison with Hg, At, and element 112 (Cn).

doi: 10.1524/ract.2010.1705
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2010WI14      Nucl.Instrum.Methods Phys.Res. B268, 28 (2010)

D.Wittwer, F.Sh.Abdullin, N.V.Aksenov, Yu.V.Albin, G.A.Bozhikov, S.N.Dmitriev, R.Dressler, R.Eichler, H.W.Gaggeler, R.A.Henderson, S.Hubener, J.M.Kenneally, V.Ya.Lebedev, Yu.V.Lobanov, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, A.N.Polyakov, D.Piguet, P.Rasmussen, R.N.Sagaidak, A.Serov, I.V.Shirokovsky, D.A.Shaughnessy, S.V.Shishkin, A.M.Sukhov, M.A.Stoyer, N.J.Stoyer, E.E.Tereshatov, Yu.S.Tsyganov, V.K.Utyonkov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk

Gas phase chemical studies of superheavy elements using the Dubna gas-filled recoil separator - Stopping range determination

RADIOACTIVITY 289Fl, 285Cn(α) [from 244Pu(48Ca, 3n)289Fl, E=265 MeV]; measured decay products, Eα, Iα; deduced α-decay chains.

doi: 10.1016/j.nimb.2009.09.062
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2009OG03      Phys.Rev. C 79, 024608 (2009)

Yu.Ts.Oganessian, S.N.Dmitriev, A.V.Yeremin, N.V.Aksenov, G.A.Bozhikov, V.I.Chepigin, M.L.Chelnokov, V.Ya.Lebedev, O.N.Malyshev, O.V.Petrushkin, S.V.Shishkin, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin

Attempt to produce the isotopes of element 108 in the fusion reaction 136Xe+136Xe

NUCLEAR REACTIONS 136Xe(136Xe, xn)269Hs/270HS/271Hs, E=750 MeV;measured Eα, Iα, upper limit of production σ for Z=108 element; deduced fusion probability. Calculated excitation functions for one-neutron to four-neutron channels. Ti(136Xe, xn)168Os/169Os/170Os/171Os/172Os/, E=750 MeV; measured Eα, Iα.

doi: 10.1103/PhysRevC.79.024608
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2008EI03      Angew.Chem. 47, 3262 (2008)

R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, A.V.Gorshkov, M.G.Itkis, F.Haenssler, A.Laube, V.Y.Lebedev, O.N.Malyshev, Y.T.Oganessian, O.V.Petrushkin, D.Piguet, A.G.Popeko, P.Rasmussen, S.V.Shishkin, A.A.Serov, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin

Thermochemical and Physical Properties of Element 112

RADIOACTIVITY 287Fl, 283Cn(α), 279Ds(SF) [from 242Pu(48Ca, 3n)297Fl, E=270 MeV]; 185Hg(α) [from 142Nd(48Ca, 5n)185Hg, E=270 MeV]; 219Rn(α) [from 242Pu(48Ca, X)219Rn, E=270 MeV]; measured decay products, Eα, Iα; deduced standard sublimation enthalpy, linear relationships for various compound classes on various chromatographic materials, volatility for element 112.

doi: 10.1002/anie.200705019
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2007EI02      Nucl.Phys. A787, 373c (2007)

R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, R.Dressler, S.N.Dmitriev, H.W.Gaggeler, V.A.Gorshkov, F.Haenssler, M.G.Itkis, V.Ya.Lebedev, A.Laube, O.N.Malyshev, Yu.Ts.Oganessian, O.V.Petruschkin, D.Piguet, P.Rasmussen, S.V.Shishkin, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin

Confirmation of the Decay of 283112 and First Indication for Hg-like Behavior of Element 112

NUCLEAR REACTIONS 238U(48Ca, 3n), 242Pu(48Ca, 3n), E=237 MeV; measured super heavy element yield, Eα, Iα; analyzed production σ.

NUCLEAR STRUCTURE 279Ds, 283Cn, 287Fl; analyzed superheavy element production and decay data.

RADIOACTIVITY 283Cn(α); 287Fl(α), (SF); measured Eα, E(fragment), T1/2.

doi: 10.1016/j.nuclphysa.2006.12.058
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007EI03      Nature(London) 447, 72 (2007)

R.Eichler, N.V.Aksenov, A.V.Belozerov, G.A.Bozhikov, V.I.Chepigin, S.N.Dmitriev, R.Dressler, H.W.Gaggeler, V.A.Gorshkov, F.Haenssler, M.G.Itkis, A.Laube, V.Ya.Lebedev, O.N.Malyshev, Yu.Ts.Oganessian, O.V.Petrushkin, D.Piguet, P.Rasmussen, S.V.Shishkin, A.V.Shutov, A.I.Svirikhin, E.E.Tereshatov, G.K.Vostokin, M.Wegrzecki, A.V.Yeremin

Chemical characterization of element 112

RADIOACTIVITY 287Fl, 283Cn(α), 279Ds(SF) [from 242Pu(48Ca, 3n)297Fl, E=270 MeV]; 185Hg(α) [from 142Nd(48Ca, 5n)185Hg, E=270 MeV]; 219Rn(α) [from 242Pu(48Ca, X)219Rn, E=270 MeV]; measured decay products, Eα, Iα; deduced Q-values, T1/2, element 112 chemical identification.

doi: 10.1038/nature05761
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2007ST18      Nucl.Phys. A787, 388c (2007)

N.J.Stoyer, J.H.Landrum, P.A.Wilk, K.J.Moody, J.M.Kenneally, D.A.Shaughnessy, M.A.Stoyer, J.F.Wild, R.W.Lougheed, S.N.Dmitriev, Yu.Ts.Oganessian, S.V.Shishkin, N.V.Aksenov, E.E.Tereshatov, G.A.Bozhikov, G.K.Vostokin, V.K.Utyonkov, A.A.Yeremin

Chemical Identification of a Long-Lived Isotope of Dubnium, a Descendant of Element 115

NUCLEAR REACTIONS 238U(48Ca, 3n), E=247 MeV; measured super heavy element yield, Eα, Iα; analyzed production σ. Detailed chemical analysis procedure given.

NUCLEAR STRUCTURE 268Db, 272Bh, 276Mt, 280Rg, 284Nh, 288Mc; analyzed superheavy element production and decay data.

RADIOACTIVITY 268Db(SF); 272Bh, 276Mt, 280Rg, 284Nh, 288Mc(α); measured Eα, E(fragment), T1/2.

doi: 10.1016/j.nuclphysa.2006.12.060
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