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NSR database version of April 27, 2024.

Search: Author = N.J.Stoyer

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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 T_1/2. ^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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0920. Data from this article have been entered in the XUNDL database. For more information, click here.

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, T_1/2. 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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0947. Data from this article have been entered in the XUNDL database. For more information, click here.

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
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0948. Data from this article have been entered in the XUNDL database. For more information, click here.

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, 294}117 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, T_1/2. 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, T_1/2, decay branch, Q-values. Comparison with available data.

doi: 10.1103/PhysRevLett.109.162501
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0939. 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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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
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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 T_1/2.

doi: 10.1103/PhysRevC.76.011601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0892. Data from this article have been entered in the XUNDL database. For more information, click here.

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), T_1/2.

doi: 10.1016/j.nuclphysa.2006.12.060
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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, T_1/2. ²⁸²Cn, ²⁶⁷Rf(SF) [from α-decay of ²⁸⁶Rf and ²⁷¹Sg]; measured fission fragment spectra, T_1/2.

doi: 10.1103/PhysRevC.74.044602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0856. Data from this article have been entered in the XUNDL database. For more information, click here.

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, T_1/2; deduced Qα. ^267,268Db(SF); measured T_1/2.

doi: 10.1103/PhysRevC.72.034611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0890. Data from this article have been entered in the XUNDL database. For more information, click here.

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, ^{290,291,292,293}Lv, ^287,288,289Fl, ²⁸⁵Cn, ²⁷⁵Hs(α); ²⁸⁶Fl, ²⁸³Cn, ²⁷⁹Ds, ²⁷¹Sg(α), (SF);^282,284Cn, ²⁸¹Ds, ²⁶⁷Rf(SF); measured Eα, T_1/2, branching ratios.

doi: 10.1140/epjad/i2005-06-134-9
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2005ST38      Eur.Phys.J. A 25, Supplement 1, 595 (2005)

M.A.Stoyer, J.B.Patin, J.M.Kenneally, K.J.Moody, D.A.Shaughnessy, N.J.Stoyer, J.F.Wild, P.A.Wilk, V.K.Utyonkov, Yu.Ts.Oganessian

Random probability analysis of recent ⁴⁸Ca experiments

NUCLEAR REACTIONS ²⁴⁵Cm(⁴⁸Ca, 2n), ^242,244Pu, ²⁴³Am, ²⁴⁵Cm, ²⁴⁹Cf(⁴⁸Ca, 3n), ^242,244Pu(⁴⁸Ca, 4n), ²⁴⁴Pu(⁴⁸Ca, 5n), E not given; calculated probabilities for random event observation.

doi: 10.1140/epjad/i2005-06-125-x
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2004OG03      Phys.Rev. C 69, 021601 (2004); Erratum Phys.Rev. C 69, 029902 (2004)

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, 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, R.W.Lougheed

Experiments on the synthesis of element 115 in the reaction ²⁴³Am(⁴⁸Ca, xn)^291-x115

NUCLEAR REACTIONS ²⁴³Am(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E=253 MeV; measured (recoil)α-, αα-coin following residual nucleus decay; deduced production σ.

RADIOACTIVITY ^287,288Mc, ^283,284Nh, ^279,280Rg, ^275,276Mt, ²⁷²Bh(α) [from ²⁴³Am(⁴⁸Ca, xn) and subsequent decay]; measured Eα, T_1/2; deduced Qα. ^267,268Db(SF) [from ²⁴³Am(⁴⁸Ca, xn) and subsequent decay]; measured T_1/2. Comparison with model predictions.

doi: 10.1103/PhysRevC.69.021601
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0890. Data from this article have been entered in the XUNDL database. For more information, click here.

2004OG05      Nucl.Phys. A734, 109 (2004)

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, R.W.Lougheed

Heavy Element Research at Dubna

NUCLEAR REACTIONS ²⁴⁵Cm(⁴⁸Ca, xn), E^*=33 MeV; measured Eα, αα-, (fission fragment)α-coin following residual nucleus decay; deduced evidence for ^290,291Lv. ²⁴⁴Pu(⁴⁸Ca, xn), E^*=31-53 MeV; measured evaporation residue excitation functions. Studies of other reactions and nuclides reviewed.

doi: 10.1016/j.nuclphysa.2004.01.020
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2004OG07      Phys.Rev. C 69, 054607 (2004)

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, R.W.Lougheed

Measurements of cross sections for the fusion-evaporation reactions ²⁴⁴Pu(⁴⁸Ca, xn)^292-x114 and ²⁴⁵Cm(⁴⁸Ca, xn)^293-x116

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=243-257 MeV; ²⁴⁵Cm(⁴⁸Ca, 2n), (⁴⁸Ca, 3n), E=243 MeV; measured production σ.

RADIOACTIVITY ^290,291Lv, ^{286,287,288,289}Fl, ^283,285Cn(α) [from ²⁴⁴Pu, ²⁴⁵Cm(⁴⁸Ca, xn) and subsequent decay]; measured Eα, T_1/2. ^282,284Cn, ^279,281Ds(SF); measured fission energy, T_1/2.

doi: 10.1103/PhysRevC.69.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0891. Data from this article have been entered in the XUNDL database. For more information, click here.

2004OG10      Prog.Theor.Phys.(Kyoto), Suppl. 154, 406 (2004)

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, K.J.Moody, J.F.Wild, M.A.Stoyer, N.J.Stoyer, D.A.Shaughnessy, J.M.Kenneally, J.B.Patin, R.W.Lougheed

Synthesis of Superheavy Nuclei in ⁴⁸Ca-Induced Reactions

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E^* ≈ 30-55 MeV; measured excitation functions.

RADIOACTIVITY ^290,291Lv, ^287,288Mc, ^{286,287,288,289}Fl, ^283,284Nh, ^283,285Cn, ^279,280Rg, ^275,276Mt, ²⁷²Bh(α); ²⁸⁶Fl, ^282,284Cn, ^279,281Ds(SF); ²⁹⁴Og(α), (SF); measured Eα, T_1/2.

doi: 10.1143/PTPS.154.406
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2004OG12      Phys.Rev. C 70, 064609 (2004); Erratum Phys.Rev. C 71, 029902 (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, R.I.Ilkaev, S.P.Vesnovskii

Measurements of cross sections and decay properties of the isotopes of elements 112, 114, and 116 produced in the fusion reactions ^{233, 238}U, ²⁴²Pu, and ²⁴⁸Cm + ⁴⁸Ca

NUCLEAR REACTIONS ^233,238U, ²⁴²Pu, ²⁴⁸Cm(⁴⁸Ca, 2n), (⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E^* ≈ 25-55 MeV; measured excitation functions. Comparison with model predictions.

RADIOACTIVITY ²⁷¹Sg, ²⁷⁵Hs, ²⁷⁹Ds, ^282,283,285Cn, ^{286,287,288,289}Fl, ^292,293Lv(α); ²⁶⁷Rf, ²⁷¹Sg, ^279,281Ds, ²⁸⁴Cn, ²⁸⁶Fl(SF) [from ^233,238U, ²⁴²Pu, ²⁴⁸Cm(⁴⁸Ca, xn) and subsequent decay]; measured Eα, T_1/2. Comparison with model predictions.

doi: 10.1103/PhysRevC.70.064609
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0889.

2002OG09      Eur.Phys.J. A 15, 201 (2002)

Y.T.Oganessian, V.K.Utyonkov, Y.V.Lobanov, F.S.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, O.V.Ivanov, G.V.Buklanov, K.Subotic, A.A.Voinov, M.G.Itkis, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed, C.A.Laue

Synthesis of superheavy nuclei in the reactions of ²⁴⁴Pu and ²⁴⁸Cm with ⁴⁸Ca

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, 4n), E=240 MeV; ²⁴⁴Pu(⁴⁸Ca, 4n), (⁴⁸Ca, 3n), E=236 MeV; measured delayed Eα, αα-coin.

RADIOACTIVITY ²⁹²Lv, ^288,289Fl, ^284,285Cn, ²⁸¹Ds(α) [from ²⁴⁸Cm, ²⁴⁴Pu(⁴⁸Ca, xn) and subsequent decay]; measured Eα, T_1/2.

doi: 10.1140/epja/i2001-10254-4
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2001OG01      Phys.Rev. C63, 011301 (2001)

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, O.V.Ivanov, G.V.Buklanov, K.Subotic, M.G.Itkis, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed, C.A.Laue, Ye.A.Karelin, A.N.Tatarinov

Observation of the Decay of ²⁹²116

NUCLEAR REACTIONS ²⁴⁸Cm(⁴⁸Ca, 4n), E=240 MeV; measured Eα, (recoil)α-, αα-coin; deduced evidence for ²⁹⁶Lv, ²⁸⁸Fl, ²⁸⁴Cn, ²⁸⁰Ds.

RADIOACTIVITY ²⁹²Lv, ²⁸⁸Fl, ²⁸⁴Cn(α); ²⁸⁰Ds(SF) [From ²⁴⁸Cm(⁴⁸Ca, 4n), E=240 MeV, and subsequent decay]; measured Eα, T_1/2.

doi: 10.1103/PhysRevC.63.011301
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2001OG08      Phys.Rev. C64, 054606 (2001)

Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, I.V.Shirokovsky, Yu.S.Tsyganov, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, K.Subotic, O.V.Ivanov, A.N.Voinov, V.I.Zagrebaev, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed

Measurements of Cross Sections for the Fusion-Evaporation Reactions ^{204, 206, 207, 208}Pb + ⁴⁸Ca and ²⁰⁷Pb + ³⁴S: Decay properties of the even-even nuclides ²³⁸Cf and ²⁵⁰No

NUCLEAR REACTIONS ²⁰⁶Pb(⁴⁸Ca, n), (⁴⁸Ca, 2n), (⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E=214-243 MeV; ^204,207,208Pb(⁴⁸Ca, 2n), E=213-220 MeV; ²⁰⁷Pb(³⁴S, 3n), E=160-180 MeV; measured σ. Recoil separator. Comparison with model predictions.

RADIOACTIVITY ²⁵⁰No(SF) [from ^204,206Pb(⁴⁸Ca, xn)]; measured T_1/2.

doi: 10.1103/PhysRevC.64.054606
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2001OG09      Phys.Rev. C64, 064309 (2001)

Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, I.V.Shirokovsky, Yu.S.Tsyganov, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, K.Subotic, Yu.A.Lazarev, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed, C.A.Laue

Average Charge States of Heavy Atoms in Dilute Hydrogen

ATOMIC PHYSICS Z=89-116; measured average charge states of ions vs velocity in gas-filled recoil separator. Application to synthesis of superheavy nuclei discussed.

doi: 10.1103/PhysRevC.64.064309
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2000LA34      Phys.Rev. C62, 064307 (2000)

Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, A.N.Polyakov, J.Rigol, I.V.Shirokovsky, Yu.S.Tsyganov, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, A.N.Mezentsev, K.Subotic, K.J.Moody, N.J.Stoyer, J.F.Wild, R.W.Lougheed

Decay Properties of ²⁵⁷No, ²⁶¹Rf, and ²⁶²Rf

NUCLEAR REACTIONS ²⁴⁴Pu(²²Ne, 4n), (²²Ne, 5n), E=114, 120 MeV; ²⁴²Pu(²²Ne, 4n), (²²Ne, 5n), E=114 MeV; ²³⁸U(²⁶Mg, 4n), (²⁶Mg, 5n), E=134, 140 MeV; measured Eα, αα-coin following residual nucleus decay; deduced production σ.

RADIOACTIVITY ^261,262Rf, ²⁵⁷No(α) [from ²⁴⁴Pu(²²Ne, xn) and subsequent decay]; measured Eα, T_1/2.

doi: 10.1103/PhysRevC.62.064307
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2000OG05      Phys.Rev. C62, 041604 (2000)

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, O.V.Ivanov, G.V.Buklanov, K.Subotic, M.G.Itkis, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed

Synthesis of Superheavy Nuclei in the ⁴⁸Ca + ²⁴⁴Pu Reaction: ²⁸⁸114

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 4n), E ≈ 236 MeV; measured Eα, αα-coin following residual nucleus decay, production σ; deduced evidence for ²⁸⁸Fl, ²⁸⁴Cn, ²⁸⁰Ds.

RADIOACTIVITY ²⁸⁸Fl, ²⁸⁴Cn(α); ²⁸⁰Ds(SF) [from ²⁴⁴Pu(⁴⁸Ca, 4n) and subsequent decay]; measured Eα, T_1/2. Comparison with model predictions.

doi: 10.1103/PhysRevC.62.041604
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2000OG07      Yad.Fiz. 63, No 10, 1769 (2000); Phys.Atomic Nuclei 63, 1679 (2000)

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, O.V.Ivanov, G.V.Buklanov, K.Subotic, M.G.Itkis, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed

Synthesis of Superheavy Nuclei in ⁴⁸Ca + ²⁴⁴Pu Interactions

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E ≈ 236 MeV; ²⁴⁸Cm(⁴⁸Ca, 4n), E not given; measured Eα, fission fragments, (recoil)α-, αα-coin following residual nucleus decay; deduced evidence for ²⁹²Lv, ^288,289Fl, ^284,285Cn, ^280,281Ds, ²⁷⁷Hs.

RADIOACTIVITY ²⁹²Lv, ^288,289Fl, ^284,285Cn, ²⁸¹Ds(α); ²⁸⁰Ds, ²⁷⁷Hs(SF) [from ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, xn) and subsequent decay ]; measured Eα, T_1/2.

doi: 10.1134/1.1320137
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2000ST30      Nucl.Instrum.Methods Phys.Res. A455, 433 (2000)

N.J.Stoyer, M.A.Stoyer, J.F.Wild, K.J.Moody, R.W.Lougheed, Yu.Ts.Oganessian, V.K.Utyonkov

Random Probability Analysis of Heavy-Element Data

RADIOACTIVITY ²⁸⁹Fl(α); analyzed Eα, αα-coin; deduced background features. Monte Carlo random probability method, Geiger-Nuttall criteria. Comparisons with other approaches.

doi: 10.1016/S0168-9002(00)00503-9
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1999OG10      Phys.Rev.Lett. 83, 3154 (1999)

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, G.V.Buklanov, K.Subotic, M.G.Itkis, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed

Synthesis of Superheavy Nuclei in the ⁴⁸Ca + ²⁴⁴Pu Reaction

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, 3n), E=236 MeV; measured σ, Eα, Iα(t), αα-, (recoil)α-coin following residual nucleus decay; deduced evidence for ²⁸⁹Fl, ²⁸⁵Cn, ²⁸¹Ds.

RADIOACTIVITY ²⁸⁹Fl, ²⁸⁵Cn, ²⁸¹Ds(α) [from ²⁴⁴Pu(⁴⁸Ca, 3n) and subsequent decay]; measured Eα, T_1/2; deduced enhanced stability with respect to neutron number.

doi: 10.1103/PhysRevLett.83.3154
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1996KA66      Radiochim.Acta 72, 169 (1996)

B.Kadkhodayan, A.Turler, K.E.Gregorich, P.A.Baisden, K.R.Czerwinski, B.Eichler, H.W.Gaggeler, T.M.Hamilton, D.T.Jost, C.D.Kacher, A.Kovacs, S.A.Kreek, M.R.Lane, M.F.Mohar, M.P.Neu, N.J.Stoyer, E.R.Sylwester, D.M.Lee, M.J.Nurmia, G.T.Seaborg, D.C.Hoffman

On-line Gas Chromatographic Studies of Chlorides of Rutherfordium and Homologs Zr and Hf

RADIOACTIVITY ⁹⁸Zr(β^-);162Hf(EC); measured Eγ, Iγ, half-lives. ²⁶¹Rf(α); measured Eα, Iα, half-life.

1996LA11      Phys.Rev. C53, 2893 (1996)

M.R.Lane, K.E.Gregorich, D.M.Lee, M.F.Mohar, M.Hsu, C.D.Kacher, B.Kadkhodayan, M.P.Neu, N.J.Stoyer, E.R.Sylwester, J.C.Yang, D.C.Hoffman

Spontaneous Fission Properties of ₁₀₄²⁶²Rf

NUCLEAR REACTIONS ²⁴⁴Pu(²²Ne, 4n), E=114 MeV; measured residual production σ.

RADIOACTIVITY ²⁶²Rf(SF) [from ²⁴⁴Pu(²²Ne, 4n), E=114 MeV]; measured T_1/2, (fragment)(fragment)-coin, kinetic energies, total kinetic energy distribution; deduced mass distribution, α-decay branch upper limit.

doi: 10.1103/PhysRevC.53.2893
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset13981.

Note: The following list of authors and aliases matches the search parameter N.J.Stoyer: , N.J.STOYER