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NSR database version of May 2, 2024.

Search: Author = J.P.Unik

Found 18 matches.

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1982BI10      Phys.Rev. C26, 1984 (1982)

J.R.Birkelund, H.Freiesleben, J.R.Huizenga, W.U.Schroder, W.W.Wilcke, K.L.Wolf, J.P.Unik, V.E.Viola, Jr.

Mechanisms of Heavy Ion Dissipative Collisions: The ²⁰⁹Bi + ⁸⁴Kr reaction at E(lab) = 712 MeV

NUCLEAR REACTIONS ²⁰⁹Bi(⁸⁴Kr, X), E=712 MeV; measured σ(fragment θ, E, Z); deduced correlation variables kinetic energy dissipation dependence. Dissipative collisions, proximity one-body transport model.

doi: 10.1103/PhysRevC.26.1984
Citations: PlumX Metrics

1976BI01      Phys.Rev. C13, 133 (1976)

J.R.Birkelund, J.R.Huizenga, H.Freiesleben, K.L.Wolf, J.P.Unik, V.E.Viola, Jr.

Elastic Scattering of ⁴⁰Ar and ⁸⁴Kr on ²⁰⁹Bi and ²³⁸U at 7.2 and 8.5 MeV/N

NUCLEAR REACTIONS ²⁰⁹Bi, ²³⁸U(⁴⁰Ar, ⁴⁰Ar), E=340 MeV; ²⁰⁹Bi(⁸⁴Kr, ⁸⁴Kr), E=600, 712 MeV; measured σ(θ); deduced maximum angular momenta, interaction radii, total σ. Optical, Fresnel model analysis.

doi: 10.1103/PhysRevC.13.133
Citations: PlumX Metrics

1976SC04      Phys.Rev.Lett. 36, 514 (1976)

W.U.Schroder, J.R.Birkelund, J.R.Huizenga, K.L.Wolf, J.P.Unik, V.E.Viola, Jr.

Study of the Reaction ²⁰⁹Bi + ¹³⁶Xe

NUCLEAR REACTIONS ²⁰⁹Bi(¹³⁶Xe, X), E=1130 MeV; measured σ(E(fragment mass), θ).

doi: 10.1103/PhysRevLett.36.514
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1975AH04      J.Inorg.Nucl.Chem. 37, 1851 (1975)

I.Ahmad, J.P.Unik

Half-Life of ²⁵⁴Es

RADIOACTIVITY ²⁵⁴Es; measured T_1/2.

doi: 10.1016/0022-1902(75)80900-6
Citations: PlumX Metrics

1975FR21      Phys.Rev. C12, 1809 (1975)

Z.Fraenkel, I.Mayk, J.P.Unik, A.J.Gorski, W.D.Loveland

Measurement of Pre- and Post-Fission Neutron Emission at Moderate Excitation Energies

NUCLEAR REACTIONS ²³²Th, ^233,238U, ²³⁹Pu(α, xnF), E=45 MeV; ²²⁶Ra(p, F), E=16 MeV; measured σ(E(fragment mass), En, θ). ²⁰⁹Bi(α, F), E=45 MeV; measured σ(E(fragment mass), θ); deduced number of pre-, post-fission neutrons.

doi: 10.1103/PhysRevC.12.1809
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2491.

1975WO02      J.Inorg.Nucl.Chem. 37, 21 (1975)

K.L.Wolf, J.P.Unik, E.P.Horwitz, C.A.A.Bloomquist, D.Henderson, R.Sjoblom

Production of Actinide Elements Using Secondary Reactions Induced by 19 GeV Electrons

NUCLEAR REACTIONS U(e, X), E=19 GeV; measured yields of secondary reactions.

doi: 10.1016/0022-1902(75)80117-5
Citations: PlumX Metrics

1974WO07      Phys.Rev.Lett. 33, 1105 (1974)

K.L.Wolf, J.P.Unik, J.R.Huizenga, J.Birkelund, H.Freiesleben, V.E.Viola

Study of Strongly Damped Collisions in the Reaction of 600-MeV ⁸⁴Kr on A ²⁰⁹Bi Target

NUCLEAR REACTIONS ²⁰⁹Bi(⁸⁴Kr, X), E=600 MeV; measured σ(fragment mass); deduced reaction mechanism.

doi: 10.1103/PhysRevLett.33.1105
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1973RE07      Nucl.Phys. A205, 348 (1973)

W.N.Reisdorf, J.P.Unik, L.E.Glendenin

Correlation between Fragment Mass-Distribution Fine Structure, Charge Distribution and Nuclear Structure for Thermal-Neutron-Induced Fission of ²³³U and ²³⁵U

NUCLEAR REACTIONS, Fission ^233,235U(n, F), E=th; measured fragment kinetic energies, (fragment)(fragment)-coin.; deduced fragment mass-total kinetic energy correlations.

doi: 10.1016/0375-9474(73)90214-5
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1973WO03      Phys.Lett. 43B, 25 (1973)

K.L.Wolf, J.P.Unik

The Fissioning Isomer ^237mNp

RADIOACTIVITY, Fission ^237mNp(SF); measured T_1/2, excitation energy.

doi: 10.1016/0370-2693(73)90534-0
Citations: PlumX Metrics

1972UN01      Nucl.Phys. A191, 233 (1972)

J.P.Unik, E.P.Horwitz, K.L.Wolf, I.Ahmad, S.Fried, D.Cohen, P.R.Fields, C.A.A.Bloomquist, D.J.Henderson

Production of Actinides and the Search for Super-Heavy Elements Using Secondary Reactions Induced by GeV Protons

NUCLEAR REACTIONS W(p, X), E=28 GeV; ²³⁸U(p, X), E=12, 28 GeV; measured yields, cross sections, actinides, upper limits for transactinides.

doi: 10.1016/0375-9474(72)90513-1
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1972WO07      Phys.Lett. 38B, 405 (1972)

K.L.Wolf, J.P.Unik

Fissioning Isomers of Americium, Curium and Berkelium Isotopes

RADIOACTIVITY, Fission ^240mAm, ^243mAm, ^245mAm, ^246mAm, ^244mAm, ^239mPu, ^242mBk, ^244mBk, ^243mCm, ^245mCm; measured T_1/2.

NUCLEAR REACTIONS ^242,244Pu, ^241,243Am(α, xF), E=25-46 MeV; measured σ(E) for SF-isomer production.

doi: 10.1016/0370-2693(72)90167-0
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2484.

1968AH01      Nucl.Phys. A119, 27 (1968)

I.Ahmad, A.M.Friedman, J.P.Unik

Energy Levels of ²³⁷U

RADIOACTIVITY ²⁴¹Pu; measured Eα, Iα, Eγ, Iγ, γγ-, γα- αγ-coin, αγ-delay, α/β ratio. ²³⁷U deduced levels, J, π, T_1/2.

doi: 10.1016/0375-9474(68)90803-8
Citations: PlumX Metrics

1964UN01      Bull.Am.Phys.Soc. 9, No.1, 108, KC12 (1964)

J.P.Unik

Nanosecond Isomeric States in Hf¹⁷⁵, U²³⁷, and Np²³⁹

NUCLEAR STRUCTURE ²³⁷U, ²³⁹Np, ¹⁷⁵Hf; measured not abstracted; deduced nuclear properties.

1960ST18      UCRL-9093, 44 (1960)

J.A.Stone, D.Strominger, J.P.Unik

Gamma-Gamma Angular-Distribution Studies in the Beta Decay of ²³⁸U

NUCLEAR STRUCTURE ²³⁷U; measured not abstracted; deduced nuclear properties.

1960UN01      Thesis, Univ.California (1960); UCRL-9105 (1960)

J.P.Unik

Coincidence Measurements in Nuclear Decay Scheme Studies

NUCLEAR STRUCTURE ²³⁷U, ²³³Pa, ²⁴³Am, ⁹⁷Tc, ⁹⁵Tc; measured not abstracted; deduced nuclear properties.

1960UN02      UCRL-9093, p.41 (1960)

J.P.Unik

Measurement of the Half-Lives of the 74.6-keV Excited State of Np²³⁹ and the 68-keV Excited State of Ra²²⁶

NUCLEAR STRUCTURE ²⁴³Am, ²³⁰Th; measured not abstracted; deduced nuclear properties.

1959UN01      Phys.Rev. 115, 1687 (1959)

J.P.Unik, J.O.Rasmussen

Decay Schemes of the Isomers of Tc⁹⁵ and Tc⁹⁷

doi: 10.1103/PhysRev.115.1687
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1958GA17      Phys.Rev. 110, 725 (1958)

C.J.Gallagher, Jr., D.Strominger, J.P.Unik

Decay Scheme of 50-Day Re¹⁸⁴

doi: 10.1103/PhysRev.110.725
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