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NSR database version of April 11, 2024.

Search: Author = I.Dragojevic

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2011BE57      J.Phys.:Conf.Ser. 312, 092017 (2011)

J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, R.J.Cooper, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, O.Gothe, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, F.S.Stephens, M.A.Stoyer, T.J.Ross, H.Watanabe, M.Wiedeking

Nuclear spectroscopy of the heaviest elements: studies of ²⁵⁴No, ²⁵⁷Rf, and ²⁶¹Sg

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, 2n), E=221 MeV;²⁰⁸Pb(⁵⁰Ti, n), E=238 MeV;²⁰⁸Pb(⁵⁴Cr, n), E=261 MeV; measured Eγ, Iγ using HPGe, recoils using MWPC, Eα, Iα, E(e), I(e), eγ-coin. ²⁵⁴No, ²⁵⁷Rf deduced levels, J, π, γ transitions, isomeric transition T_1/2, bands, ²⁵⁷Rf α-decay T_1/2, ²⁵⁴No g-factor.

doi: 10.1088/1742-6596/312/9/092017
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2010BE16      Phys.Rev. C 81, 064325 (2010); Publishers Note Phys.Rev. C 82, 029906 (2010)

J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, M.Cromaz, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.Paschalis, M.Petri, J.Qian, M.A.Stoyer, M.Wiedeking

Electromagnetic decays of excited states in ²⁶¹Sg (Z=106) and ²⁵⁷Rf (Z=104)

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁴Cr, n), E=261 MeV; ²⁰⁸Pb(⁵⁰Ti, n), (⁵⁰Ti, 2n), E=238 MeV; measured Eγ, E(ce), Eα, (recoil)(ce)(α)-, (recoil)(ce)(x ray)(α)-, (recoil)(ce)-, (recoil)(ce)(fission)-, γ(recoil)(ce)(α)-, γ(recoil)(ce)(x ray)(α)-, (recoil)(ce)(α)(α)-coin, half-lives. ²⁵⁷Rf, ²⁶¹Sg; deduced levels, J, π, isomer, band, configurations. Comparison with calculated energy levels of ²⁶¹Sg.

RADIOACTIVITY ²⁵⁶RF(SF); ²⁵⁷Rf, ²⁶¹Sg(α); measured Eα, half-lives.

doi: 10.1103/PhysRevC.81.064325
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010CL01      Phys.Lett. B 690, 19 (2010)

R.M.Clark, K.E.Gregorich, J.S.Berryman, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, L.Stavsetra, F.S.Stephens, H.Watanabe, M.Wiedeking

High-K multi-quasiparticle states in ²⁵⁴No

RADIOACTIVITY ²⁵⁴No(IT) [from ²⁰⁸Pb(⁴⁸Ca, 2n), E=221 MeV]; measured Eγ, Iγ, γ-particle-coin.; deduced J, π, level energies, rotational bands, decay of isomer state.

doi: 10.1016/j.physletb.2010.04.079
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Data from this article have been entered in the XUNDL database. For more information, click here.

2010EL06      Phys.Rev.Lett. 105, 182701 (2010)

P.A.Ellison, K.E.Gregorich, J.S.Berryman, D.L.Bleuel, R.M.Clark, I.Dragojevic, J.Dvorak, P.Fallon, C.Fineman-Sotomayor, J.M.Gates, O.R.Gothe, I.Y.Lee, W.D.Loveland, J.P.McLaughlin, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, M.Wiedeking, H.Nitsche

New Superheavy Element Isotopes: ²⁴²Pu(⁴⁸Ca, 5n)²⁸⁵114

NUCLEAR REACTIONS ²⁴²Pu(⁴⁸Ca, Xn)²⁸⁵Fl/²⁸⁶Fl/²⁸⁷Fl/²⁸⁸Fl, E=256 MeV; measured reaction products, Eα, Iα; deduced σ, Q-values. Comparison with experimental values.

RADIOACTIVITY ^285,286Fl, ²⁸¹Cn, ²⁷⁷Ds, ²⁷³Hs, ²⁶⁹Sg(α); measured Eα; deduced Q(α). ²⁶⁵Rf, ²⁸²Cn(SF); measured SF decay energy.

doi: 10.1103/PhysRevLett.105.182701
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1822. Data from this article have been entered in the XUNDL database. For more information, click here.

2009DR02      Phys.Rev. C 79, 011602 (2009)

I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, J.Dvorak, P.A.Ellison, J.M.Gates, S.L.Nelson, L.Stavsetra, H.Nitsche

New isotope ²⁶³Hs

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁶Fe, n), E=276.4 MeV; measured σ.

RADIOACTIVITY ²⁶³Hs, ²⁵⁹Sg, ²⁵⁵Rf, ²⁵¹No, ²⁴⁷Fm(α); measured Eα, half-lives.

doi: 10.1103/PhysRevC.79.011602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1684. Data from this article have been entered in the XUNDL database. For more information, click here.

2009FO02      Phys.Rev. C 79, 027602 (2009)

C.M.Folden III, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, S.L.Nelson, R.Sudowe, K.E.Gregorich, D.C.Hoffman, H.Nitsche

Measurement of the ²⁰⁸Pb(⁵²Cr, n)²⁵⁹Sg excitation function

NUCLEAR REACTIONS ²⁰⁸Pb(⁵²Cr, n)²⁵⁹Sg, E=250.7-266.2 MeV; ²⁰⁸Pb(⁵²Cr, 2n)²⁵⁸Sg, E=250.7-266.2 MeV. Measured excitation functions, σ.

RADIOACTIVITY ²⁵⁹Sg, ²⁵⁸Sg, ²⁵⁵Rf(α), (SF), (EC), ²⁵¹No(α); measured Eα, half-lives, decay modes.

doi: 10.1103/PhysRevC.79.027602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1670. Data from this article have been entered in the XUNDL database. For more information, click here.

2009GA02      Radiochim.Acta 97, 79 (2009)

J.M.Gates, I.Dragojevic, J.Dvorak, P.A.Ellison, K.E.Gregorich, L.Stavsetra, H.Nitsche

Excitation function for the ⁷⁴Se(¹⁸O, p3n)^88gNb reaction

NUCLEAR REACTIONS ⁷⁴Se(¹⁸O, 3np), E=74 MeV; measured Eγ, Iγ, excitation function. ⁸⁸Nb; measured half-life.

doi: 10.1524/ract.2009.1582
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0555.

2009JE01      Phys.Rev. C 79, 031303 (2009)

H.B.Jeppesen, I.Dragojevic, R.M.Clark, K.E.Gregorich, M.N.Ali, J.M.Allmond, C.W.Beausang, D.L.Bleuel, M.Cromaz, M.A.Deleplanque, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, J.P.Greene, S.Gros, I.Y.Lee, H.L.Liu, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, J.R.Pavan, L.Stavsetra, F.S.Stephens, M.Wiedeking, R.Wyss, F.R.Xu

Multi-quasiparticle states in ²⁵⁶Rf

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁰Ti, 2n), E=243 MeV; measured (recoil)(electron)(fission)-coin, (electron)γ-coin, conversion electron spectra, Eγ, Iγ, half-lives. ²⁵⁶Rf; deduced levels, J, π, high-K isomers, configurations. Comparisons with Woods-Saxon potential-energy surface calculations.

doi: 10.1103/PhysRevC.79.031303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1688. Data from this article have been entered in the XUNDL database. For more information, click here.

2009JE02      Phys.Rev. C 80, 034324 (2009)

H.B.Jeppesen, R.M.Clark, K.E.Gregorich, A.V.Afanasjev, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, L.Stavsetra, F.S.Stephens, M.Wiedeking

High-K multi-quasiparticle states and rotational bands in ²⁵⁵₁₀₃Lr

NUCLEAR REACTIONS ²⁰⁹Bi(⁴⁸Ca, 2n), E=222 MeV; measured Eγ, Iγ, γγ, half-lives. ²⁵⁵Lr; deduced levels, J, π, bands, high-K 3qp isomers and configurations. Comparison with microscopic cranked relativistic Hartree-Bogoliubov (CRHB) calculations.

doi: 10.1103/PhysRevC.80.034324
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Data from this article have been entered in the XUNDL database. For more information, click here.

2009NE02      Phys.Rev. C 79, 027605 (2009)

S.L.Nelson, K.E.Gregorich, I.Dragojevic, J.Dvorak, P.A.Ellison, M.A.Garcia, J.M.Gates, L.Stavsetra, M.N.Ali, H.Nitsche

Comparison of complementary reactions in the production of Mt

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁹Co, n)²⁶⁶Mt, E=295 MeV; measured production cross section

RADIOACTIVITY ²⁶⁶Mt, ²⁶²Bh, ²⁵⁸Db, ²⁵⁴Lr, No, ²⁵⁰Md, Fm(α), ²⁵⁴Lr, ²⁵⁰Md(EC); measured Eα, half-lives, decay modes.

doi: 10.1103/PhysRevC.79.027605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0958. Data from this article have been entered in the XUNDL database. For more information, click here.

2009ST21      Phys.Rev.Lett. 103, 132502 (2009)

L.Stavsetra, K.E.Gregorich, J.Dvorak, P.A.Ellison, I.Dragojevic, M.A.Garcia, H.Nitsche

Independent Verification of Element 114 Production in the ⁴⁸Ca+²⁴²Pu Reaction

NUCLEAR REACTIONS ²⁴²Pu(⁴⁸Ca, 3n), (⁴⁸Ca, 4n), E(cm)=244 MeV; measured Eα, Iα and α-decay chains; deduced σ. Berkeley Gas-filled Separator (BGS).

doi: 10.1103/PhysRevLett.103.132502
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1776.

2008DR05      Phys.Rev. C 78, 024605 (2008)

I.Dragojevic, K.E.Gregorich, Ch.E.Dullmann, M.A.Garcia, J.M.Gates, S.L.Nelson, L.Stavsetra, R.Sudowe, H.Nitsche

Influence of projectile neutron number in the ²⁰⁸Pb(⁴⁸Ti, n)²⁵⁵Rf and ²⁰⁸Pb(⁵⁰Ti, n)²⁵⁷Rf reactions

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ti, n), (⁴⁸Ti, 2n), (⁵⁰Ti, n), (⁵⁰Ti, 2n), E=4.6-4.8 MeV/nucleon; measured excitation functions, σ.

RADIOACTIVITY ^{254,255,256,257}Rf(α); measured Eα, Iα, half-lives.

doi: 10.1103/PhysRevC.78.024605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1738. Data from this article have been entered in the XUNDL database. For more information, click here.

2008GA08      Phys.Rev. C 77, 034603 (2008)

J.M.Gates, M.A.Garcia, K.E.Gregorich, Ch.E.Dullmann, I.Dragojevic, J.Dvorak, R.Eichler, C.M.Folden III, W.Loveland, S.L.Nelson, G.K.Pang, L.Stavsetra, R.Sudowe, A.Turler, H.Nitsche

Synthesis of rutherfordium isotopes in the ²³⁸U(²⁶Mg, xn)^264-xRf reaction and study of their decay properties

NUCLEAR REACTIONS ²³⁸U(²⁶Mg, 3n), (²⁶Mg, 4n), (²⁶Mg, 5n), (²⁶Mg, 6n), E=4.9-6.0 MeV/nucleon; measured excitation functions, σ, half-lives, cross sections.

RADIOACTIVITY ²⁵⁸Rf(α) [from ²³⁸U(²⁶Mg, 6n), E=4.9-6.0 MeV/nucleon]; ²⁵⁹Rf(EC) [from ²³⁸U(²⁶Mg, 5n), E=4.9-6.0 MeV/nucleon]; ²⁶⁰Rf(α), (SF) [from ²³⁸U(²⁶Mg, 4n), E=4.9-6.0 MeV/nucleon]; ²⁶¹Rf(α), (SF) [from ²³⁸U(²⁶Mg, 3n), E=4.9-6.0 MeV/nucleon]; ²⁵⁴No(α); measured α spectra, Q-values, charged particle spectra.^{242,244,246,248,250,252,254,256,258}Fm, ^{248,250,252,254,256}No, ^{250,252,254,256}Rf, ^{252,254,256,258,260}Sg; systematics.

doi: 10.1103/PhysRevC.77.034603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1607. Data from this article have been entered in the XUNDL database. For more information, click here.

2008GA25      Phys.Rev. C 78, 034604 (2008)

J.M.Gates, S.L.Nelson, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, P.A.Ellison, C.M.Folden III, M.A.Garcia, L.Stavsetra, R.Sudowe, D.C.Hoffman, H.Nitsche

Comparison of reactions for the production of ^{258, 257}Db: ²⁰⁸Pb(⁵¹V, xn) and ²⁰⁹Bi(⁵⁰Ti, xn)

NUCLEAR REACTIONS ²⁰⁸Pb(⁵¹V, n), (⁵¹V, 2n), E=4.7-5.1 MeV/nucleon; measured excitation function, σ. ²⁰⁹Bi(⁵⁰Ti, n), (⁵⁰Ti, 2n); systematics of excitation functions, σ.

RADIOACTIVITY ^257,258Db, ^253,254Lr, ^249,250Md, ²⁴⁶Cf, ²⁵⁰Fm, ²⁵⁴No, ²⁴⁵Es(α); measured α-spectra, half-lives.

doi: 10.1103/PhysRevC.78.034604
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1703. Data from this article have been entered in the XUNDL database. For more information, click here.

2008NE01      Phys.Rev.Lett. 100, 022501 (2008)

S.L.Nelson, K.E.Gregorich, I.Dragojevic, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche

Lightest Isotope of Bh Produced via the ²⁰⁹Bi(⁵²Cr, n)²⁶⁰Bh Reaction

NUCLEAR REACTIONS ²⁰⁹Bi(⁵²Cr, n), E=257 MeV; measured correlated decay chain Eα, Iα, production cross section.

doi: 10.1103/PhysRevLett.100.022501
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Data from this article have been entered in the XUNDL database. For more information, click here.

2008NE08      Phys.Rev. C 78, 024606 (2008)

S.L.Nelson, C.M.Folden III, K.E.Gregorich, I.Dragojevic, Ch.E.Dullmann, R.Eichler, M.A.Garcia, J.M.Gates, R.Sudowe, H.Nitsche

Comparison of complementary reactions for the production of ^{261, 262}Bh

NUCLEAR REACTIONS ²⁰⁸Pb(⁵⁵Mn, n), (⁵⁵Mn, 2n), E=273, 278, 283 MeV; ²⁰⁹Bi(⁵⁴Cr, n), (⁵⁴Cr, 2n), E=253.5-272.3 MeV; measured excitation functions, σ, half-lives.

doi: 10.1103/PhysRevC.78.024606
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Data from this article have been entered in the XUNDL database. For more information, click here.

2006GR24      Phys.Rev. C 74, 044611 (2006)

K.E.Gregorich, J.M.Gates, Ch.E.Dullmann, R.Sudowe, S.L.Nelson, M.A.Garcia, I.Dragojevic, C.M.Folden III, S.H.Neumann, D.C.Hoffman, H.Nitsche

New isotope ²⁶⁴Sg and decay properties of ^262-264Sg

NUCLEAR REACTIONS ²³⁸U(³⁰Si, 4n), (³⁰Si, 5n), (³⁰Si, 6n), E=147-174 MeV; measured delayed Eα, (recoil)α-coin; deduced excitation functions.

RADIOACTIVITY ^262,264Sg(SF); measured T_1/2, α-decay branching upper limit. ²⁶³Sg(SF), (α); measured T_1/2, branching ratio. ²⁵⁹Rf, ²⁵⁵No; measured T_1/2.

doi: 10.1103/PhysRevC.74.044611
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1512. Data from this article have been entered in the XUNDL database. For more information, click here.