NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = P.J.Ennis

Found 12 matches.

Back to query form

1994CR05      Phys.Rev. C50, 1321 (1994)

B.Crowell, P.J.Ennis, C.J.Lister, W.R.Schief, Jr.

Test of Predicted Gamma Stability at Spins above 8(h-bar) in ⁶⁴Zn

NUCLEAR REACTIONS ¹²C(⁵⁴Fe, 2p), E=155 MeV; measured Eγ, Iγ, (recoil)γ-, (recoil)γγ-coin, γ(θ), γγ(θ), DCO. ⁶⁴Zn deduced high-spin levels J, π, γ-multipolarity, B(λ), quadrupole moments. Cranked Nilsson-Strutinsky, Woods-Saxon, Hartree-Fock models, Bohr Hamiltonian.

doi: 10.1103/PhysRevC.50.1321
Citations: PlumX Metrics

1993CH41      Phys.Rev. C48, 2607 (1993)

A.A.Chishti, P.Chowdhury, D.J.Blumenthal, P.J.Ennis, C.J.Lister, Ch.Winter, D.Vretenar, G.Bonsignori, M.Savoia

Collectivity in Light Zirconium Isotopes: Evolution with neutron number and angular momentum

NUCLEAR REACTIONS ⁵⁸Ni(²⁹Si, n2p), E=110 MeV; measured Eγ, Iγ, DCO ratios. ⁵⁸Ni(³²S, 2pα), E=110 MeV; measured Iγ(θ). ⁵⁴Fe(³³S, n2p), E=105 MeV; analyzed data. ⁵⁸Ni(²⁸Si, 2n2p), E not given; measured recoil distance. ⁸⁴Zr deduced levels, J, π, band structure. ⁸²Zr levels deduced T_1/2. Models comparison.

NUCLEAR STRUCTURE ^86,84,82Zr; calculated levels, g factors, B(λ). Interacting boson model, collective core inclusion.

doi: 10.1103/PhysRevC.48.2607
Citations: PlumX Metrics

1992CR02      Phys.Rev. C45, 1564 (1992)

B.Crowell, P.Chowdhury, D.J.Blumenthal, P.J.Ennis, S.J.Freeman, C.J.Lister, S.Smolen, Ch.Winter

Transitional Nucleus ¹⁰¹Ag: Spin-stabilized deformation in odd Ag isotopes

NUCLEAR REACTIONS ⁷⁰Ge(³⁵Cl, 2n2p), E=130 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), γγ(θ), γ multiplicity. ¹⁰¹Ag deduced levels, J, δ. Compton-suppressed Ge detectors, BGO detectors. Cranked Nilsson model, Strutinsky renormalization, particle-number projection.

doi: 10.1103/PhysRevC.45.1564
Citations: PlumX Metrics
Data from this article have been entered in the XUNDL database. For more information, click here.

1992EN03      Nucl.Instrum.Methods Phys.Res. A313, 413 (1992)

P.J.Ennis, C.J.Lister

Triggering of Large Germanium Arrays to Obtain Gamma-Ray Spectroscopic Data: Recoil-γ-γ versus γ-γ-γ

NUCLEAR REACTIONS ¹²C(⁵⁴Fe, 2p), (⁵⁴Fe, 2n), E=165 MeV; measured γγγ-, γγ(recoil)-coin; deduced triggering method reaction channel dependence. Hyperpure Ge detector array, electromagnetic separator.

doi: 10.1016/0168-9002(92)90819-P
Citations: PlumX Metrics

1991BL15      Phys.Rev.Lett. 66, 3121 (1991)

D.J.Blumenthal, C.J.Lister, P.Chowdhury, B.Crowell, P.J.Ennis, Ch.Winter, T.Drake, A.Galindo-Uribarri, G.Zwartz, H.R.Andrews, G.C.Ball, D.Radford, D.Ward, V.P.Janzen

Search for Nuclear-Structure Effects in Proton Evaporation Spectra

NUCLEAR REACTIONS ⁵⁸Ni(²⁹Si, n2p), (²⁹Si, 2pα), (²⁸Si, xnypzα), E=110 MeV; measured proton spectra, Doppler shifts, pp-, γγ-, pγ-, αp-coin; deduced channel, angular momentum dependences.

doi: 10.1103/PhysRevLett.66.3121
Citations: PlumX Metrics

1991CH40      Phys.Rev.Lett. 67, 2950 (1991)

P.Chowdhury, C.J.Lister, D.Vretenar, Ch.Winter, V.P.Janzen, H.R.Andrews, D.J.Blumenthal, B.Crowell, T.Drake, P.J.Ennis, A.Galindo-Uribarri, D.Horn, J.K.Johansson, A.Omar, S.Pilotte, D.Prevost, D.Radford, J.C.Waddington, D.Ward

Large B(M1) Staggering at High Spins in ⁸⁶Zr: Broken boson pairs in the four-quasiparticle regime

NUCLEAR REACTIONS ⁶⁰Ni(³⁰Si, 2n2p), E=135 MeV; measured DSA, γγ energy correlations, γγ-coin, γγ(θ). ⁸⁶Zr deduced levels, J, π, B(λ), T_1/2, band structure. Interacting boson model, broken pair approximation.

doi: 10.1103/PhysRevLett.67.2950
Citations: PlumX Metrics

1991EN01      Nucl.Phys. A535, 392 (1991); Erratum Nucl.Phys. A560, 1079 (1993)

P.J.Ennis, C.J.Lister, W.Gelletly, H.G.Price, B.J.Varley, P.A.Butler, T.Hoare, S.Cwiok, W.Nazarewicz

Triaxiality and Isospin-Forbidden E1 Decays in the N = Z Nucleus ⁶⁴Ge

NUCLEAR REACTIONS ¹²C(⁵⁴Fe, 2n), E=165 MeV; ⁵⁴Fe(¹²C, 2n), E=37 MeV; measured Eγ, Iγ(θ), γγ-coin; deduced absorption σ. ⁶⁴Ge deduced levels, J, π. Germanium detector array, recoil separator.

doi: 10.1016/0375-9474(91)90454-E
Citations: PlumX Metrics

1991GR16      Nucl.Phys. A535, 203 (1991)

C.J.Gross, K.P.Lieb, D.Rudolph, M.A.Bentley, W.Gelletly, H.G.Price, J.Simpson, D.J.Blumenthal, P.J.Ennis, C.J.Lister, Ch.Winter, J.L.Durell, B.J.Varley, O.Skeppstedt, S.Rastikerdar

First Identification of Excited States in ^84-86Nb

NUCLEAR REACTIONS ⁵⁸Ni(²⁸Si, np), E=195 MeV; ⁵⁸Ni(³²S, pα), E=110 MeV; ⁵⁸Ni(³²S, n3p), E=110, 120, 130 MeV; ⁴⁰Ca(⁵⁰Cr, pα), ⁴⁰Ca(⁵⁰Cr, n3p), E=170 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-, (X-ray)γ-coin. ^84,86Nb deduced levels. ⁸⁵Nb deduced levels, J, π, log ft. Enriched targets.

doi: 10.1016/0375-9474(91)90523-9
Citations: PlumX Metrics

1991HE02      Phys.Rev. C43, R921 (1991)

J.Heese, D.J.Blumenthal, A.A.Chishti, P.Chowdhury, B.Crowell, P.J.Ennis, C.J.Lister, Ch.Winter

Observation of Simultaneous g_9/2 Proton and Neutron Alignment in ⁷⁴Kr

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, 2pα), E=125, 140 MeV; measured Iγ, Eγ, γγ-coin, αγγ-coin, DSA. ⁷⁴Kr deduced levels, J, π, T_1/2, rotational bands, B(E2), transitional quadrupole moments, deformation parameters.

doi: 10.1103/PhysRevC.43.R921
Citations: PlumX Metrics

1991JU05      Z.Phys. A340, 125 (1991)

A.Jungclaus, K.P.Lieb, C.J.Gross, J.Heese, D.Rudolph, D.J.Blumenthal, P.Chowdhury, P.J.Ennis, C.J.Lister, Ch.Winter, J.Eberth, S.Skoda, M.A.Bentley, W.Gelletly, B.J.Varley

Heavy-Ion In-Beam Studies of the Nucleus ⁸⁷Nb

NUCLEAR REACTIONS ⁴⁰Ca(⁵⁰Cr, 3p), E=170 MeV; ⁵⁸Ni(³²S, 3p), E=108 MeV; measured γγ-coin, γ(θ), DCO, γ(evaporation residue)-coin. ⁸⁷Nb deduced levels, J, π, B(λ), T_1/2. Comparison with other nuclei.

doi: 10.1007/BF01303824
Citations: PlumX Metrics

1991WI15      Nucl.Phys. A535, 137 (1991)

Ch.Winter, D.J.Blumenthal, P.Chowdhury, B.Crowell, P.J.Ennis, S.J.Freeman, C.J.Lister, C.J.Gross, J.Heese, A.Jungclaus, K.P.Lieb, D.Rudolph, M.A.Bentley, W.Gelletly, J.Simpson, J.L.Durell, B.J.Varley

Investigation of Shape Changes in ⁸⁷Mo

NUCLEAR REACTIONS ⁵⁸Ni(³²S, n2p), E=110, 120, 130 MeV; ⁴⁰Ca(⁵⁰Cr, n2p), E=170 MeV; measured Eγ, Iγ(E, θ), DSA, recoil distance. ⁸⁷Mo deduced levels, branching ratios, J, π, B(E2), T_1/2. Recoil separator, neutron detectors, germanium detector array. Enriched targets.

doi: 10.1016/0375-9474(91)90520-G
Citations: PlumX Metrics

1990LI25      Phys.Rev. C42, R1191 (1990)

C.J.Lister, P.J.Ennis, A.A.Chishti, B.J.Varley, W.Gelletly, H.G.Price, A.N.James

Shape Changes in N = Z Nuclei from Germanium to Zirconium

NUCLEAR REACTIONS, ICPND ¹²C(⁵⁴Fe, 2n), E=155, 165 MeV; ¹²C(⁵⁸Ni, 2n), E=175 MeV; ²⁴Mg(⁵⁴Fe, 2n), E=175 MeV; measured Eγ, Iγ, γγ-, recoil γ-, recoil γγ-coin, production σ. ⁶⁴Ge, ⁶⁸Se, ⁷⁶Sr deduced levels. Compton suppressed Ge detectors, recoil separator, NE213 detectors.

doi: 10.1103/PhysRevC.42.R1191
Citations: PlumX Metrics