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NSR database version of May 24, 2024.

Search: Author = J.F.Ennis

Found 10 matches.

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1988GA33      Phys.Lett. B 215, 242 (1988)

M.Gai, J.F.Ennis, D.A.Bromley, H.Emling, F.Azgui, E.Grosse, H.J.Wollersheim, C.Mittag, F.Riess

Enhanced E1 deexcitations in 218Ra and the evolution of reflection asymmetry at moderate spins

NUCLEAR REACTIONS 13C(208Pb, 3n), E=5.31 MeV/nucleon; measured Doppler-shifted Eγ, Iγ. 218Ra levels deduced T1/2, B(E1), B(E2). Recoil distance technique.

doi: 10.1016/0370-2693(88)91427-X
Citations: PlumX Metrics


1987CO11      Phys.Rev. C35, 1939 (1987)

P.D.Cottle, M.Gai, J.F.Ennis, J.F.Shriner, Jr., S.M.Sterbenz, D.A.Bromley, C.W.Beausang, L.Hildingsson, W.F.Piel, Jr., D.B.Fossan, J.W.Olness, E.K.Warburton

Yrast States of 216Rn and the Extent of a Region of Possible Static Intrinsic Reflection Asymmetry

NUCLEAR REACTIONS 208Pb(14C, 2nα), E=67-68 MeV; measured Eγ, Iγ, γ(θ), γγ-, γ(X-ray)-coin. 216Rn deduced levels, J, π, yrast scheme. Hyperpure Ge, Ge(Li) detectors.

doi: 10.1103/PhysRevC.35.1939
Citations: PlumX Metrics


1987CO36      Phys.Rev. C36, 2286 (1987)

P.D.Cottle, M.Gai, J.F.Ennis, J.F.Shriner, Jr., D.A.Bromley, C.W.Beausang, L.Hildingsson, W.F.Piel, Jr., D.B.Fossan, J.W.Olness, E.K.Warburton

Level Spectrum of 219Ra and Weak Coupling in the Light Actinide Region

NUCLEAR REACTIONS, ICPND 208Pb(14C, 3n), E=60-78 MeV; measured Eγ, Iγ, γ(θ), I(ce), thick target yield, σ(E). 219Ra deduced levels, J, π, ICC, B(λ) ratios, γ-multipolarity. Weak coupling model.

doi: 10.1103/PhysRevC.36.2286
Citations: PlumX Metrics


1986CO05      Phys.Rev. C33, 1855 (1986)

P.D.Cottle, M.Gai, J.F.Ennis, J.F.Shriner, Jr., D.A.Bromley, C.W.Beausang, L.Hildingsson, W.F.Piel, Jr., D.B.Fossan, J.W.Olness, E.K.Warburton

Intermediate and Weak Coupling in 219Ra

NUCLEAR REACTIONS 208Pb(14C, 3n), E=60-78 MeV; measured Eγ, Iγ, γ(θ). 219Ra deduced levels, γ-branching, J, π, rotational band. Weak coupling model.

doi: 10.1103/PhysRevC.33.1855
Citations: PlumX Metrics


1985SH25      Phys.Rev. C32, 1888 (1985)

J.F.Shriner, Jr., P.D.Cottle, J.F.Ennis, M.Gai, D.A.Bromley, J.W.Olness, E.K.Warburton, L.Hildingsson, M.A.Quader, D.B.Fossan

Level Structure of 220Ra

NUCLEAR REACTIONS 208Pb(14C, 2n), E=60-78 MeV; measured Eγ, Iγ, γ(θ), γγ-coin, σ(Eγ). 220Ra deduced levels, J, π, B(E1)/B(E2) ratios. Stable octupole deformation, α-clustering.

doi: 10.1103/PhysRevC.32.1888
Citations: PlumX Metrics


1984CO22      Phys.Rev. C30, 1768 (1984)

P.D.Cottle, J.F.Shriner, Jr., F.Dellagiacoma, J.F.Ennis, M.Gai, D.A.Bromley, J.W.Olness, E.K.Warburton, L.Hildingsson, M.A.Quader, D.B.Fossan

Level Structure and Deexcitations in 220Ra and Their Systematic Behavior as a Function of Neutron Number

NUCLEAR REACTIONS 208Pb(14C, 2n), E=60-68 MeV; measured Eγ, Iγ, γγ-coin, σ(Eγ, E), γ(θ). 220Ra deduced levels, J, π, γ-branching, B(λ) ratios.

doi: 10.1103/PhysRevC.30.1768
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1984ME12      Nucl.Phys. A429, 351 (1984)

M.C.Mermaz, M.Ruscev, M.Gai, J.F.Ennis, K.N.Gamadia, J.F.Shriner, Jr., N.Tsoupas, S.M.Sterbenz, D.A.Bromley

Phenomenological Analysis of the 24Mg(12C, α)32S Resonant Reaction Studied at Low Incident Energy

NUCLEAR REACTIONS 24Mg(12C, α), E=20.305, 21.307, 21.81 MeV; measured σ(θ). 36Ar resonance deduced J. Regge pole, phase shift analyses.

doi: 10.1016/0375-9474(84)90212-4
Citations: PlumX Metrics


1983GA02      Phys.Rev.Lett. 50, 239 (1983)

M.Gai, M.Ruscev, A.C.Hayes, J.F.Ennis, R.Keddy, E.C.Schloemer, S.M.Sterbenz, D.A.Bromley

Coexistence of Single-Particle, Collective-Quadrupole, and α + 14C Molecular-Dipole Degrees of Freedom in 18O

NUCLEAR REACTIONS 14C(7Li, t), E=15 MeV; 14C(α, γ), E=resonance; measured tγ-coin, resonance capture γ-spectra. 18O deduced γ-transition multipolarity, β(λ), single particle, collective quadrupole, molecular dipole degrees of freedom coexistence.

doi: 10.1103/PhysRevLett.50.239
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1983GA11      Phys.Rev.Lett. 51, 646 (1983)

M.Gai, J.F.Ennis, M.Ruscev, E.C.Schloemer, B.Shivakumar, S.M.Sterbenz, N.Tsoupas, D.A.Bromley

Molecular Alpha-Particle Clustering in 218Ra; Dipole collectivity in the vicinity of nuclear shell closures

NUCLEAR REACTIONS 208Pb(13C, 3n), E=59, 59.5, 67 MeV; measured σ(Eγ), γγ-coin, γ(θ), αγ(t), σ(Eα), recoil. 218Ra deduced levels, J, π, B(λ), B(E1)/B(E2), α-clustering.

doi: 10.1103/PhysRevLett.51.646
Citations: PlumX Metrics


1983SC29      Phys.Rev.Lett. 51, 881 (1983)

E.C.Schloemer, M.Gai, J.F.Ennis, M.Ruscev, B.Shivakumar, S.M.Sterbenz, N.Tsoupas, D.A.Bromley

Nature of Molecular Resonances and Background in the 16O + 12C System

NUCLEAR REACTIONS, ICPND 12C(16O, α), 12C(16O, 16O), E(cm)=7-15 MeV; measured σ(θα), total reaction σ(E). 28Si deduced resonances, J, π, Γ, Γ(12C), dinuclear molecular configuration characterising parameter.

doi: 10.1103/PhysRevLett.51.881
Citations: PlumX Metrics


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