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NSR database version of April 27, 2024.

Search: Author = J.van Popta

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1980HA33      Nucl.Phys. A344, 15 (1980)

M.N.Harakeh, J. Van Popta, A.Saha, R.H.Siemssen

Strong Coupled-Channels Effects in the ⁹Be(α, t)¹⁰B Reaction

NUCLEAR REACTIONS ⁹Be(α, α'), (α, t), (α, ³He), E=65 MeV; measured σ(Eα, θ), σ(Et, θ), σ(E(³He), θ); deduced optical-model parameters; ⁹Be levels deduced β₂. ¹⁰B, ¹⁰Be levels deduced L, S. DWBA, coupled-channel analyses.

doi: 10.1016/0375-9474(80)90429-7
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1980WI04      Nucl.Phys. A334, 317 (1980)

J.Wilczynski, K.van der Borg, H.T.Fortune, J.van Popta, R.H.Siemssen, K.Siwek-Wilczynska, S.Y.van der Werf, A.van der Woude

Symmetric Fission of ²⁴Mg Induced by Inelastic Scattering of 120 MeV α-Particles

NUCLEAR REACTIONS ²⁴Mg(α, α¹²C), E=120 MeV; measured σ(Eα, θα, θ(¹²C)), α¹²C-coin, σ(Eα, θα). ²⁴Mg resonances deduced lower, upper limits of < Γ(¹²C)/Γ > . Enriched target. Solid-state particle telescopes, ionization chamber.

doi: 10.1016/0375-9474(80)90071-8
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1979SI09      Phys.Rev.Lett. 42, 1599 (1979)

K.Siwek-Wilczynska, E.H.du Marchie van Voorthuysen, J.van Popta, R.H.Siemssen, J.Wilczynski

Incomplete Fusion in ¹²C + ¹⁶⁰Gd Collisions Interpreted in Terms of a Generalized Concept of Critical Angular Momentum

NUCLEAR REACTIONS ¹⁶⁰Gd(¹²C, α), (¹²C, 2α), E=7.5-16.7 MeV/nucleon; measured αγ-coin, σ(E); deduced reaction mechanism, critical angular momentum.

doi: 10.1103/PhysRevLett.42.1599
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1979SI15      Nucl.Phys. A330, 150 (1979)

K.Siwek-Wilczynska, E.H.du Marchie van Voorthuysen, J.van Popta, R.H.Siemssen, J.Wilczynski

Incomplete Fusion in ¹²C + ¹⁶⁰Gd Collisions

NUCLEAR REACTIONS ¹⁶⁰Gd(¹²C, xnyαγ), E=90, 120, 160, 200 MeV; inclusive σ(E, Eα, θα) for N=0-8, Y=1-2, αγ-coin; critical angular momenta, excitation functions. Enriched target, ae-E telescopes, Ge(Li) detectors. Incomplete fusion model.

doi: 10.1016/0375-9474(79)90542-6
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1979WI10      Phys.Lett. 88B, 65 (1979)

J.Wilczynski, R.Kamermans, J.van Popta, R.H.Siemssen, K.Siwek-Wilczynska, S.Y.van der Werf

Alpha-Multiplicity in ¹²C Induced Reactions

NUCLEAR REACTIONS ¹⁶⁰Gd(¹²C, xα), E=120, 200 MeV; measured αα-coin, σ(θα); deduced average α-multiplicities, production σ for X=1, 2, 3.

doi: 10.1016/0370-2693(79)90115-1
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