NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 29, 2024.

Search: Author = J.F.Ennis

Found 10 matches.

Back to query form

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 T_1/2, 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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