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NSR database version of May 24, 2024.

Search: Author = M.Deleplanque

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2012WA35      Phys.Rev. C 86, 064319 (2012)

D.Ward, A.O.Macchiavelli, R.M.Clark, D.Cline, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.Gorgen, A.B.Hayes, G.J.Lane, I.-Y.Lee, T.Nakatsukasa, G.Schmidt, F.S.Stephens, C.E.Svensson, R.Teng, K.Vetter, C.Y.Wu

Band structure of 235U

NUCLEAR REACTIONS 235U(136Xe, 136Xe'), E=720 MeV; 235U(40Ca, 40Ca'), E=184 MeV; measured Eγ, Iγ, (particle)γ-, γγ-coin, Coulomb excitation yields, γ branching ratios using Gammasphere, 8π and CHICO arrays. 235U; deduced high-spin levels, J, π, B(M1), B(E2), B(E3) from Winther-deBoer analysis, gK, magnetic decoupling parameter, rotational bands, configurations. Analyzed coriolis interaction in j15/2 orbital. Comparison with quasiparticle random phase approximation (QRPA) calculations for B(E3). Discussed E3 correlations and Coriolis effects.

doi: 10.1103/PhysRevC.86.064319
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011BE57      J.Phys.:Conf.Ser. 312, 092017 (2011)

J.S.Berryman, R.M.Clark, K.E.Gregorich, J.M.Allmond, D.L.Bleuel, R.J.Cooper, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, O.Gothe, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, J.Qian, L.Stavsetra, F.S.Stephens, M.A.Stoyer, T.J.Ross, H.Watanabe, M.Wiedeking

Nuclear spectroscopy of the heaviest elements: studies of 254No, 257Rf, and 261Sg

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=221 MeV;208Pb(50Ti, n), E=238 MeV;208Pb(54Cr, n), E=261 MeV; measured Eγ, Iγ using HPGe, recoils using MWPC, Eα, Iα, E(e), I(e), eγ-coin. 254No, 257Rf deduced levels, J, π, γ transitions, isomeric transition T1/2, bands, 257Rf α-decay T1/2, 254No g-factor.

doi: 10.1088/1742-6596/312/9/092017
Citations: PlumX Metrics


2011GI03      Nucl.Instrum.Methods Phys.Res. A648, 109 (2011)

J.Gibelin, M.Wiedeking, L.Phair, P.Fallon, S.Basunia, L.A.Bernstein, J.T.Burke, D.L.Bleuel, R.M.Clark, M.Cromaz, M.-A.Deleplanque, B.F.Goldblum, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, S.R.Lesher, A.O.Macchiavelli, M.A.McMahan, J.Pavan, E.Rodriguez-Vieitez, N.D.Scielzo, L.G.Moretto

Channel selection of neutron-rich nuclei following fusion-evaporation reactions of light systems

NUCLEAR REACTIONS 9Be(9Be, X)15N/16N/12C/13C/15C/16C, E=30, 35, 40 MeV;12C(18O, X)27Mg/28Mg, E=50, 60 MeV; 11B, 12C(18O, X)26Mg/27Mg/25Mg/24Na, E not given; measured reaction products, Eγ, Iγ; deduced production yields. Comparison with PACE, LisFus and GEMINI calculations.

doi: 10.1016/j.nima.2011.05.041
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2010CL01      Phys.Lett. B 690, 19 (2010)

R.M.Clark, K.E.Gregorich, J.S.Berryman, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, H.B.Jeppesen, D.Kaji, I.Y.Lee, A.O.Macchiavelli, K.Morimoto, H.Nitsche, S.Paschalis, M.Petri, L.Stavsetra, F.S.Stephens, H.Watanabe, M.Wiedeking

High-K multi-quasiparticle states in 254No

RADIOACTIVITY 254No(IT) [from 208Pb(48Ca, 2n), E=221 MeV]; measured Eγ, Iγ, γ-particle-coin.; deduced J, π, level energies, rotational bands, decay of isomer state.

doi: 10.1016/j.physletb.2010.04.079
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2009JE01      Phys.Rev. C 79, 031303 (2009)

H.B.Jeppesen, I.Dragojevic, R.M.Clark, K.E.Gregorich, M.N.Ali, J.M.Allmond, C.W.Beausang, D.L.Bleuel, M.Cromaz, M.A.Deleplanque, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, J.P.Greene, S.Gros, I.Y.Lee, H.L.Liu, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, J.R.Pavan, L.Stavsetra, F.S.Stephens, M.Wiedeking, R.Wyss, F.R.Xu

Multi-quasiparticle states in 256Rf

NUCLEAR REACTIONS 208Pb(50Ti, 2n), E=243 MeV; measured (recoil)(electron)(fission)-coin, (electron)γ-coin, conversion electron spectra, Eγ, Iγ, half-lives. 256Rf; deduced levels, J, π, high-K isomers, configurations. Comparisons with Woods-Saxon potential-energy surface calculations.

doi: 10.1103/PhysRevC.79.031303
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1688. Data from this article have been entered in the XUNDL database. For more information, click here.


2009JE02      Phys.Rev. C 80, 034324 (2009)

H.B.Jeppesen, R.M.Clark, K.E.Gregorich, A.V.Afanasjev, M.N.Ali, J.M.Allmond, C.W.Beausang, M.Cromaz, M.A.Deleplanque, I.Dragojevic, J.Dvorak, P.A.Ellison, P.Fallon, M.A.Garcia, J.M.Gates, S.Gros, I.Y.Lee, A.O.Macchiavelli, S.L.Nelson, H.Nitsche, L.Stavsetra, F.S.Stephens, M.Wiedeking

High-K multi-quasiparticle states and rotational bands in 255103Lr

NUCLEAR REACTIONS 209Bi(48Ca, 2n), E=222 MeV; measured Eγ, Iγ, γγ, half-lives. 255Lr; deduced levels, J, π, bands, high-K 3qp isomers and configurations. Comparison with microscopic cranked relativistic Hartree-Bogoliubov (CRHB) calculations.

doi: 10.1103/PhysRevC.80.034324
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2008ST17      Phys.Rev. C 78, 034303 (2008)

F.S.Stephens, M.A.Deleplanque, I.Y.Lee, A.O.Macchiavelli, P.Fallon, R.M.Diamond, D.Ward, R.M.Clark, M.Cromaz

Damping, motional narrowing, and chaos in rotational nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin, rotational damping and spreading widths, level mixing. Continuum gamma-ray spectroscopy.

doi: 10.1103/PhysRevC.78.034303
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2008WI04      Phys.Rev.Lett. 100, 152501 (2008)

M.Wiedeking, P.Fallon, A.O.Macchiavelli, J.Gibelin, M.S.Basunia, R.M.Clark, M.Cromaz, M.-A.Deleplanque, S.Gros, H.B.Jeppesen, P.T.Lake, I.-Y.Lee, L.G.Moretto, J.Pavan, L.Phair, E.Rodriguez-Vieitez, L.A.Bernstein, D.L.Bleuel, J.T.Burke, S.R.Lesher, B.F.Lyles, N.D.Scielzo

Lifetime Measurement of the First Excited 2+ State in 16C

NUCLEAR REACTIONS 9Be(9Be, 2p), E=40 MeV; measured Eγ, Iγ, charged particles. 16C; deduced levels, lifetimes, B(E2).

doi: 10.1103/PhysRevLett.100.152501
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2008WI05      Phys.Rev. C 77, 054305 (2008)

M.Wiedeking, P.Fallon, A.O.Macchiavelli, L.A.Bernstein, J.Gibelin, L.Phair, J.T.Burke, D.L.Bleuel, R.M.Clark, M-A.Deleplanque, S.Gros, R.Hatarik, H.B.Jeppesen, I-Y.Lee, B.F.Lyles, M.A.McMahan, L.G.Moretto, J.Pavan, E.Rodriguez-Vieitez, A.Volya

Nuclear structure of 18N and the neighboring N = 11 isotones

NUCLEAR REACTIONS 9Be(11B, 2p), E=50 MeV; measured Eγ, Iγ, γγ-, (2p)γ-coin, lifetimes. 18N; deduced levels, J, π, configurations. 17C, 18N, 19O; systematics. Comparison with model calculations.

doi: 10.1103/PhysRevC.77.054305
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2008WI09      Phys.Rev. C 78, 037302 (2008)

M.Wiedeking, E.Rodriguez-Vieitez, P.Fallon, M.P.Carpenter, R.M.Clark, D.Cline, M.Cromaz, M.Descovich, R.V.F.Janssens, I.-Y.Lee, M.-A.Deleplanque, A.O.Macchiavelli, F.S.Stephens, R.Teng, X.Wang, D.Ward, C.Y.Wu, S.Zhu, T.Otsuka, Y.Utsuno, A.Volya

Intruder excitations in 35P

NUCLEAR REACTIONS 208Pb(36S, X), E=230 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin. 34Si, 35P; deduced levels, J, π, B(E2). Comparison with shell model calculations.

doi: 10.1103/PhysRevC.78.037302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006BU06      Phys.Rev. C 73, 054604 (2006)

J.T.Burke, L.A.Bernstein, J.Escher, L.Ahle, J.A.Church, F.S.Dietrich, K.J.Moody, E.B.Norman, L.Phair, P.Fallon, R.M.Clark, M.A.Deleplanque, M.Descovich, M.Cromaz, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, F.S.Stephens, H.Ai, C.Plettner, C.Beausang, B.Crider

Deducing the 237U(n, f) cross section using the surrogate ratio method

NUCLEAR REACTIONS 236,238U(α, α'F), E=55 MeV; measured Eα, fission fragment spectra; deduced relative fission yields. 237U(n, F), E=0-20 MeV; deduced fission σ. Surrogate ratio method.

doi: 10.1103/PhysRevC.73.054604
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14094.


2006LE41      Phys.Scr. T125, 142 (2006)

I.Y.Lee, F.S.Stephens, M.A.Deleplanque, A.O.Macchiavelli, D.Ward, P.Fallon, M.Cromaz, R.M.Clark, M.Descovich, R.M.Diamond, E.Rodriguez-Vieitez

Order-to-chaos transition in rotational nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 168,169,170Yb deduced rotational damping widths, spreading widths, correlation probabilities, ordered and chaotic behavior. Gammasphere array.

doi: 10.1088/0031-8949/2006/T125/033
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2005CL07      Phys.Rev. C 72, 054605 (2005)

R.M.Clark, L.W.Phair, M.Descovich, M.Cromaz, M.A.Deleplanque, P.Fallon, I.Y.Lee, A.O.Macchiavelli, M.A.McMahan, L.G.Moretto, E.Rodriguez-Vieitez, S.Sinha, F.S.Stephens, D.Ward, M.Wiedeking, L.A.Bernstein, J.T.Burke, J.A.Church

Population of nuclei via 7Li-induced binary reactions

NUCLEAR REACTIONS 184W(7Li, xn), (7Li, xnp), (7Li, xnα), E=35-70 MeV; calculated σ. 184W(7Li, X)184Os/185Os/186Os/188Os/184Ir/185Ir/186Ir/183Re/185Re, E=40-70 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, particle yield ratios. 160Gd(7Li, xnp), E=35-65 MeV; analyzed σ. Liberace, Stars arrays.

doi: 10.1103/PhysRevC.72.054605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1404.


2005JO10      Phys.Rev. C 71, 044310 (2005)

M.S.Johnson, J.A.Cizewski, K.Y.Ding, N.Fotiades, M.B.Smith, J.S.Thomas, W.Younes, J.A.Becker, L.A.Bernstein, K.Hauschild, D.P.McNabb, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens

Quasicontinuous decay and properties of superdeformed excitations in 195Pb

NUCLEAR REACTIONS 174Yb(26Mg, 5n), E=132 MeV; measured Eγ, Iγ, γγ-coin. 195Pb deduced high-spin levels, J, π, superdeformed bands, quasi-continuum decay-out spectra. Gammasphere array.

doi: 10.1103/PhysRevC.71.044310
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Data from this article have been entered in the XUNDL database. For more information, click here.


2005SI23      Phys.Rev. C 72, 024318 (2005)

A.J.Simons, R.Wadsworth, D.G.Jenkins, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward, S.Frauendorf, Y.Gu

Investigation of antimagnetic rotation in light Cadmium nuclei: 106, 108Cd

NUCLEAR REACTIONS 62Ni(48Ca, 4n), E=183, 207 MeV; 96Zr(16O, 4n), E=72 MeV; measured Eγ, Iγ, γγ-coin, DSA. 106,108Cd deduced high-spin levels, J, π, T1/2, B(E2), configurations. Gammasphere array.

doi: 10.1103/PhysRevC.72.024318
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2005ST03      Phys.Rev.Lett. 94, 042501 (2005)

F.S.Stephens, M.A.Deleplanque, I.Y.Lee, A.O.Macchiavelli, D.Ward, P.Fallon, M.Cromaz, R.M.Clark, M.Descovich, R.M.Diamond, E.Rodriguez-Vieitez

Order-to-Chaos Transition in Rotational Nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 166,167,168Yb deduced transition energy correlations, level spacing and interaction potential features, order-to-chaos transition. Gammasphere array.

doi: 10.1103/PhysRevLett.94.042501
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2004CL04      Phys.Rev. C 69, 064322 (2004); Comment Phys.Rev. C 70, 049801 (2004)

R.M.Clark, M.Cromaz, M.A.Deleplanque, M.Descovich, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, H.Mahmud, E.Rodriguez-Vieitez, F.S.Stephens, D.Ward

Searching for E(5) behavior in nuclei

NUCLEAR STRUCTURE Z=30-82; analyzed level energies, B(E2) for even-even nuclides. 102Pd, 106,108Cd, 124Te, 128Xe, 134Ba deduced E(5) symmetry features.

doi: 10.1103/PhysRevC.69.064322
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2004DE17      Phys.Rev. C 69, 044309 (2004)

M.A.Deleplanque, S.Frauendorf, V.V.Pashkevich, S.Y.Chu, A.Unzhakova

Gross shell structure at high spin in heavy nuclei

NUCLEAR STRUCTURE A=80-220; analyzed high-spin moments of inertia, deviations from rigid-body values; deduced shell effects. Semiclassical periodic orbit theory interpretation.

doi: 10.1103/PhysRevC.69.044309
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2004KA18      Phys.Rev. C 69, 034330 (2004)

D.Karlgren, R.M.Clark, I.Ragnarsson, C.E.Svensson, D.Ward, R.Wyss, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.Gorgen, R.V.F.Janssens, T.L.Khoo, F.Kondev, G.J.Lane, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, T.Rodinger, D.Rudolph, D.G.Sarantites, D.Seweryniak, T.Steinhardt, F.S.Stephens, O.Thelen, K.Vetter, J.C.Waddington

High-angular-momentum structures in 64Zn

NUCLEAR REACTIONS 40Ca(28Si, 4p), E=122 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 64Zn deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere, Microball arrays, cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.69.034330
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Data from this article have been entered in the XUNDL database. For more information, click here.


2004KE04      Eur.Phys.J. A 20, 131 (2004)

N.S.Kelsall, C.E.Svensson, S.Fischer, D.E.Appelbe, R.A.E.Austin, D.P.Balamuth, G.C.Ball, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.F.Hodgson, R.V.F.Janssens, D.G.Jenkins, G.J.Lane, C.J.Lister, A.O.Macchiavelli, C.D.O'Leary, D.G.Sarantites, F.S.Stephens, D.C.Schmidt, D.Seweryniak, K.Vetter, J.C.Waddington, R.Wadsworth, D.Ward, A.N.Wilson, A.V.Afanasjev, S.Frauendorf, I.Ragnarsson

High-spin structure of N ≈ Z nuclei around the A = 72 region

NUCLEAR REACTIONS 40Ca(36Ar, n3p), E=145 MeV; 40Ca(40Ca, 2α), E=164 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 72Br, 72Kr deduced high-spin levels.

doi: 10.1140/epja/i2002-10338-7
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2004LE39      Nucl.Phys. A746, 255c (2004)

I.Y.Lee, R.M.Clark, M.Cromaz, M.A.Deleplanque, M.Descovich, R.M.Diamond, P.Fallon, A.O.Macchiavelli, F.S.Stephens, D.Ward

GRETINA: A gamma ray energy tracking array

doi: 10.1016/j.nuclphysa.2004.09.038
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2004OL04      Phys.Rev. C 69, 034316 (2004)

C.D.O'Leary, R.Wadsworth, P.Fallon, C.E.Svensson, I.Ragnarsson, D.E.Appelbe, R.A.E.Austin, G.C.Ball, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, D.F.Hodgson, R.V.F.Janssens, D.G.Jenkins, N.S.Kelsall, G.J.Lane, C.J.Lister, A.O.Macchiavelli, D.Sarantites, F.S.Stephens, D.Seweryniak, K.Vetter, J.C.Waddington, D.Ward

High-spin study of rotational structures in 72Br

NUCLEAR REACTIONS 40Ca(36Ar, n3p), E=145 MeV; measured Eγ, Iγ, γγ-, (neutron)γ-, (charged particle)γ-coin. 72Br deduced high-spin levels, J, π, configurations, transition quadrupole moments. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.69.034316
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2003CL02      Phys.Rev. C 67, 041302 (2003); Comment Phys.Rev. C 68, 059801 (2003)

R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.Gorgen, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, D.Ward

Reexamination of the N = 90 transitional nuclei 150Nd and 152Sm

NUCLEAR STRUCTURE 150Nd, 152Sm; analyzed rotational band transitions B(E2), level energies, configurations. Several models compared.

doi: 10.1103/PhysRevC.67.041302
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2003CL06      Phys.Rev. C 68, 037301 (2003)

R.M.Clark, M.Cromaz, M.A.Deleplanque, M.Descovich, R.M.Diamond, P.Fallon, R.B.Firestone I.Y.Lee, A.O.Macchiavelli, H.Mahmud, E.Rodriguez-Vieitez, F.S.Stephens, D.Ward

Searching for X(5) behavior in nuclei

NUCLEAR STRUCTURE 104Mo, 126Ba, 126,130Ce, 134Sm, 150Nd, 152Sm, 154Gd, 156Dy, 158Er, 162Yb, 170,172W, 190,192Os; analyzed yrast level energies, B(E2). 126Ba, 130Ce, 150Nd, 152Sm, 154Gd, 156Dy; deduced possible X(5) critical point behavior.

doi: 10.1103/PhysRevC.68.037301
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2003LE11      Rep.Prog.Phys. 66, 1095 (2003)

I.Y.Lee, M.A.Deleplanque, K.Vetter

Developments in large gamma-ray detector arrays

doi: 10.1088/0034-4885/66/7/201
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2003SI14      Phys.Rev.Lett. 91, 162501 (2003)

A.J.Simons, R.Wadsworth, D.G.Jenkins, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward, S.Frauendorf

Evidence for a New Type of Shears Mechanism in 106Cd

NUCLEAR REACTIONS 62Ni(48Ca, 4n), E=183, 207 MeV; measured Eγ, Iγ, γγ-coin, DSA. 106Cd deduced high-spin levels T1/2, B(E2), deformations, shears band, antimagnetic rotation. Gammasphere array.

doi: 10.1103/PhysRevLett.91.162501
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2002GO03      Phys.Rev. C65, 027302 (2002)

A.Gorgen, R.M.Clark, P.Fallon, M.Cromaz, M.A.Deleplanque, R.M.Diamond, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.G.Ramos, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward, M.P.Carpenter, R.V.F.Janssens, R.Wadsworth

Excited Structure with a Very Extended Shape in 108Cd

NUCLEAR REACTIONS 64Ni(48Ca, 4n), E=207 MeV; measured Eγ, Iγ, γγ-coin, fractional Doppler shifts. 108Cd deduced high-spin levels, J, π, rotational band quadrupole moment, extreme deformation. Gammasphere array.

doi: 10.1103/PhysRevC.65.027302
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2002ST12      Phys.Rev.Lett. 88, 142501 (2002)

F.S.Stephens, M.A.Deleplanque, I.Y.Lee, D.Ward, P.Fallon, M.Cromaz, R.M.Clark, R.M.Diamond, A.O.Macchiavelli, K.Vetter

Rotational Damping in Ytterbium Nuclei

NUCLEAR REACTIONS 124Sn(48Ca, 4n), (48Ca, 5n), (48Ca, 6n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 166,167,168Yb deduced rotational damping widths.

doi: 10.1103/PhysRevLett.88.142501
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2002WA24      Phys.Rev. C66, 024317 (2002)

D.Ward, R.M.Diamond, W.J.Swiatecki, R.M.Clark, M.Cromaz, M.A.Deleplanque, P.Fallon, A.Goergen, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, W.Myers, F.S.Stephens, C.E.Svensson, K.Vetter

Search for the Jacobi shape transition in rapidly rotating nuclei

NUCLEAR REACTIONS 50Ti, 64Ni, 96Zr, 124Sn(48Ca, xnypzα), E=195-215 MeV; measured Eγ, Iγ, γγ-coin, multiplicities; deduced quasicontinuum spectrum features, moment of inertia vs angular momentum, possible Jacobi shape transition. 91Nb, 108Cd, 140Nd, 168Yb; deduced collective E2 bump centroids. Gammasphere and 8PI arrays.

doi: 10.1103/PhysRevC.66.024317
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2001CL06      Phys.Rev.Lett. 87, 202502 (2001)

R.M.Clark, P.Fallon, A.Gorgen, M.Cromaz, M.A.Deleplanque, R.M.Diamond, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.G.Ramos, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward, M.P.Carpenter, R.V.F.Janssens, R.Wadsworth

Very Extended Shapes in the A ∼ 110 Region

NUCLEAR REACTIONS 64Ni(48Ca, 4n), E=207 MeV; measured Eγ, Iγ, γγ-coin. 108Cd deduced superdeformed band transitions, quadrupole moments, deformation. Gammasphere array.

NUCLEAR STRUCTURE 36Ar, 60Zn, 82Sr, 91Tc, 108Cd, 132Ce, 152Dy, 192Hg, 236U; A=20-250; compiled, analyzed ground-state and superdeformed bands quadrupole moments.

doi: 10.1103/PhysRevLett.87.202502
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2001DE42      Phys.Rev. C64, 054309 (2001)

A.Dewald, R.Kuhn, R.Peusquens, P.von Brentano, R.Krucken, M.A.Deleplanque, I.Y.Lee, R.M.Clark, P.Fallon, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, T.L.Khoo, P.Reiter, K.Hauschild

Investigation of the Decay Out of Superdeformed Bands in 194Hg by Lifetime Measurements

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=210 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 194Hg deduced superdeformed band levels T1/2, transition quadrupole moments, decay-out mechanism features. Gammasphere array, recoil-distance technique.

doi: 10.1103/PhysRevC.64.054309
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2001GO06      Nucl.Phys. A683, 108 (2001)

A.Gorgen, N.Nenoff, H.Hubel, G.Baldsiefen, J.A.Becker, A.P.Byrne, S.Chmel, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, K.Hauschild, I.M.Hibbert, W.Korten, R.Krucken, I.Y.Lee, A.O.Macchiavelli, E.S.Paul, U.J.van Severen, F.S.Stephens, K.Vetter, R.Wadsworth, A.N.Wilson, J.N.Wilson

Magnetic Rotation in 197Pb and 198Pb

NUCLEAR REACTIONS 186W(18O, 6n), (18O, 7n), E=104, 110, 115 MeV; measured Eγ, Iγ, γγ-coin, linear polarization. 197,198Pb deduced high-spin levels, J, π, B(M1)/B(E2), magnetic dipole bands, magnetic rotation. Level systematics in neighboring nuclides discussed. Gammasphere and Eurogam arrays.

doi: 10.1016/S0375-9474(00)00470-X
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2001KE12      Eur.Phys.J. A 11, 121 (2001)

G.Kemper, A.Dewald, I.Wiedenhover, R.Peusquens, S.Kasemann, K.O.Zell, P.von Brentano, H.Hubel, S.Chmel, A.Gorgen, D.Bazzacco, R.Venturelli, S.Lunardi, D.R.Napoli, F.Hannachi, A.Lopez-Martens, R.Krucken, J.R.Cooper, R.M.Clark, M.A.Deleplanque, I.Y.Lee, A.O.Machiavelli, F.S.Stephens

Investigation of the Magnetic Rotation in 196Pb

NUCLEAR REACTIONS 164Dy(36S, 4n), E=168 MeV; measured Doppler-shifted Eγ, γγ-coin. 196Pb deduced high-spin levels, J, π, magnetic rotational band, T1/2, B(M1), role of shears mechanism. Euroball array, coincidence recoil distance technique.

doi: 10.1007/s100500170076
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2001KL03      Eur.Phys.J. A 10, 11 (2001)

W.Klamra, S.Asztalos, J.A.Becker, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, L.P.Farris, I.Y.Lee, A.O.Macchiavelli, R.W.Macleod, D.G.Sarantites, F.S.Stephens

High-Spin Multiparticle-Hole Excitations in 148Eu

NUCLEAR REACTIONS 130Te(27Al, 5nα), E=155 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 148Eu deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays.

doi: 10.1007/s100500170138
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2001KR08      Eur.Phys.J. A 10, 151 (2001)

R.Krucken, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter, J.-Y.Zhang

Spectroscopy of 112Pd using Heavy-Ion-Induced Fission

NUCLEAR REACTIONS 208Pb(18O, F), E=91 MeV; measured Eγ, Iγ, γγ-coin. 112Pd deduced high-spin levels, J, π, configurations. Gammasphere array. Total Routhian surface calculations.

doi: 10.1007/s100500170127
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2001LA09      Nucl.Phys. A682, 71c (2001)

G.J.Lane, R.Broda, B.Fornal, A.P.Byrne, G.D.Dracoulis, J.Blomqvist, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.V.F.Janssens, I.Y.Lee, A.O.Macchiavelli, K.H.Maier, M.Rejmund, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward, I.Wiedenhover, J.Wrzesinski

Structure of Exotic Nuclei Near and Above 208Pb Populated via Deep-Inelastic Collisions

NUCLEAR REACTIONS 238U(208Pb, X)206Hg/210Pb/211Bi, E not given; measured prompt and delayed Eγ, Iγ, γγ-coin. 206Hg, 210Pb, 211Bi deduced levels, J, π, configurations. Gammasphere array.

doi: 10.1016/S0375-9474(00)00624-2
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2001LE37      Acta Phys.Pol. B32, 2499 (2001)

I.Y.Lee, R.M.Clark, D.Ward, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.Gorgen, G.J.Lane, A.O.Macchiavelli, F.S.Stephens, C.E.Svensson, K.Vetter

Recent Results from Gammasphere

NUCLEAR REACTIONS 64Ni(48Ca, 4n), E=207 MeV; measured Eγ, Iγ, γγ-coin. 108Cd deduced superdeformed band. 50Ti, 64Ni, 96Zr, 124Sn(48Ca, X), E not given; measured Eγ, Iγ, fold. 98Mo, 112Cd, 144Nd, 172Yb deduced Eγ vs spin for compound nucleus decay. 51V(13C, X), E=30 MeV/nucleon; measured Eγ, Iγ; deduced fragment yields. 48Ti, 42Ar deduced transitions. Gammasphere array.


2001SV01      Nucl.Phys. A682, 1c (2001)

C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu

Collective Rotational Motion in the N = Z Nucleus 36Ar

NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, (charged particle)γ-, γγ-coin, DSA. 36Ar deduced high-spin levels, J, π, T1/2, superdeformed band. Gammasphere, Microball arrays. Shell model and cranked mean-field calculations.

doi: 10.1016/S0375-9474(00)00615-1
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2001SV02      Phys.Rev. C63, 061301 (2001)

C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.V.F.Janssens, G.J.Lane, I.Y.Lee, F.Nowacki, D.G.Sarantites, F.S.Stephens, K.Vetter, D.Ward

Lifetimes of Superdeformed Rotational States in 36Ar

NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 36Ar deduced high-spin levels, superdeformed band J, π, T1/2, B(E2), quadrupole deformation. Gammasphere, Microball arrays. Comparison with cranked mean-field and large-scale shell model calculations.

doi: 10.1103/PhysRevC.63.061301
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2001SV03      Acta Phys.Pol. B32, 2413 (2001)

C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu

Fast Rotation of the N = Z Nucleus 36Ar

NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 36Ar deduced high-spin levels, J, π, configurations, deformation, band termination. Gammasphere, Microball arrays. Cranked mean-field calculations.


2001WA02      Phys.Rev. C63, 014301 (2001)

D.Ward, C.E.Svensson, I.Ragnarsson, C.Baktash, M.A.Bentley, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, M.A.Deleplanque, M.Devlin, R.M.Diamond, P.Fallon, S.Flibotte, A.Galindo-Uribarri, D.S.Haslip, R.V.F.Janssens, T.Lampman, G.J.Lane, I.Y.Lee, F.Lerma, A.O.Macchiavelli, S.D.Paul, D.Radford, D.Rudolph, D.G.Sarantites, B.Schaly, D.Seweryniak, F.S.Stephens, O.Thelen, K.Vetter, J.C.Waddington, J.N.Wilson, C.-H.Yu

Band Structure of 68Ge

NUCLEAR REACTIONS 40Ca(32S, 4p), E=134 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 68Ge deduced high-spin levels, J, π, configurations, superdeformed band, terminating bands. Gammasphere, Microball arrays. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.014301
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2000AS01      Phys.Rev. C61, 014602 (2000)

S.J.Asztalos, I.Y.Lee, K.Vetter, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, K.Jing, L.Phair, A.O.Macchiavelli, F.S.Stephens, G.J.Wozniak, L.A.Bernstein, D.P.McNabb, P.F.Hua, D.G.Sarantites, J.X.Saladin, C.-H.Yu, J.A.Cizewski

Isotopic Yields of Neutron-Rich Nuclei from Deep-Inelastic Reactions

NUCLEAR REACTIONS 176Yb(154Sm, X), E=949 MeV; 208Pb(154Sm, X), E=1 GeV; measured Eγ, Iγ, γγ-coin; deduced projectile-like-, target-like-fragments isotopic yields, neutron multiplicity. Gammasphere array. Comparison with previous results.

doi: 10.1103/PhysRevC.61.014602
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2000CH04      Phys.Rev. C61, 034318 (2000)

C.J.Chiara, S.J.Asztalos, B.Busse, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, N.S.Kelsall, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, R.Wadsworth, S.Frauendorf

Shears Mechanism in 109Cd

NUCLEAR REACTIONS 96Zr(18O, 5n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 109Cd deduced high-spin levels, J, π, T1/2, B(E2), B(M1), configurations, shears mechanism. Gammasphere array. Tilted-axis-cranking analysis.

doi: 10.1103/PhysRevC.61.034318
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2000CL01      Phys.Rev. C61, 044311 (2000)

R.M.Clark, J.N.Wilson, D.Appelbe, M.P.Carpenter, C.J.Chiara, M.Cromaz, M.A.Deleplanque, M.Devlin, R.M.Diamond, P.Fallon, D.B.Fossan, R.V.F.Janssens, D.G.Jenkins, N.Kelsall, T.Koike, D.R.LaFosse, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, D.G.Sarantites, D.Seweryniak, K.Starosta, F.S.Stephens, C.E.Svensson, K.Vetter, R.Wadsworth, J.C.Waddington, D.Ward, I.Wiedenhover, B.A.Brown

Yrast and Near-Yrast Excitations Up to High Spin in 48100Cd52

NUCLEAR REACTIONS 46Ti(58Ni, 2n2p), E=215 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 100Cd deduced levels, J, π. Gammasphere, Microball arrays. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.61.044311
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2000CO06      J.Phys.(London) G26, 23 (2000)

J.F.C.Cocks, P.A.Butler, K.J.Cann, P.T.Greenlees, G.D.Jones, J.F.Smith, P.M.Jones, R.Julin, S.Juutinen, D.Muller, M.Piiparinen, A.Savelius, R.Broda, B.Fornal, I.Ahmad, D.J.Blumenthal, M.P.Carpenter, B.Crowell, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Nisius, S.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, P.Bhattacharyya, C.T.Zhang

Multi-Nucleon Transfer Reactions as a Tool for Spectroscopy of Heavy Nuclei

NUCLEAR REACTIONS 232Th(56Fe, X), E=362 MeV; 232Th(86Kr, X), E=511 MeV; 232Th(136Xe, X), E=830, 833 MeV; measured Eγ, Iγ(θ), γγ-coin; deduced transfer products yields and highest angular momentum value. GAMMASPHERE and other Ge detector arrays.

doi: 10.1088/0954-3899/26/2/102
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2000FO10      Phys.Rev. C61, 064326 (2000)

N.Fotiades, J.A.Cizewski, R.Krucken, K.Y.Ding, D.E.Archer, J.A.Becker, L.A.Bernstein, K.Hauschild, D.P.McNabb, W.Younes, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter

Observation of νh11/2 Sequences in Odd A ∼ 110 Nuclei

NUCLEAR REACTIONS 173Yb(24Mg, F), E=134.5 MeV; 208Pb(18O, F), E=91 MeV; 176Yb(23Na, F), E=129 MeV; measured Eγ, Iγ, γγ-coin following compound nucleus fission. 107Ru, 113,115,117,119Cd deduced high-spin levels, J, π, configurations. Gammasphere array.

doi: 10.1103/PhysRevC.61.064326
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2000KE01      Phys.Rev. C61, 011301 (2000)

N.S.Kelsall, R.Wadsworth, S.J.Asztalos, B.Busse, C.J.Chiara, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, G.J.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, S.G.Frauendorf

Evidence for Shears Bands in 108Cd

NUCLEAR REACTIONS 96Zr(16O, 4n), E=72 MeV; measured Eγ, Iγ, γγ-coin, DSA. 108Cd deduced high-spin levels, J, π, B(M1), configurations, shears bands. Gammasphere array.

doi: 10.1103/PhysRevC.61.011301
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2000MA13      Phys.Rev. C61, 041303 (2000)

A.O.Macchiavelli, P.Fallon, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, G.J.Lane, I.Y.Lee, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward

Is There np Pairing in N = Z Nuclei ?

NUCLEAR STRUCTURE A=10-64; analyzed N=Z nuclei binding energies; deduced isovector np pairing, no deuteron-like pair correlations.

doi: 10.1103/PhysRevC.61.041303
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2000MA31      Phys.Lett. 480B, 1 (2000)

A.O.Macchiavelli, P.Fallon, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, G.J.Lane, I.Y.Lee, F.S.Stephens, C.E.Svensson, K.Vetter, D.Ward

Collective T = 0 Pairing in N = Z Nuclei ? Pairing Vibrations Around 56Ni Revisited

NUCLEAR STRUCTURE 52Cr, 52Mn, 52,54Fe, 54,56,58,60Ni, 58,60Cu, 58,60Zn; analyzed pairing-vibrational levels; deduced collectivity in isovector vibrations, no collectivity in isoscalar vibrations.

doi: 10.1016/S0370-2693(00)00381-6
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2000MC01      Phys.Rev. C61, 031304 (2000)

D.P.McNabb, J.A.Cizewski, T.L.Khoo, T.Lauritsen, K.Hauschild, K.Y.Ding, N.Fotiades, W.Younes, D.E.Archer, R.W.Bauer, J.A.Becker, L.A.Bernstein, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, A.Lopez-Martens, W.H.Kelly

Quasicontinuous Decay Spectra of Superdeformed Bands in 192, 194Pb and Energy Gaps in Level Density at Moderate Angular Momenta

NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130.0 MeV; 173Yb(24Mg, 5n), E=134.5 MeV; measured Eγ, Iγ, γγ-coin. 192,194Pb deduced superdeformed band decay quasicontinuum transitions, level density features. Constant temperature level density model.

doi: 10.1103/PhysRevC.61.031304
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2000SV02      Phys.Rev.Lett. 85, 2693 (2000)

C.E.Svensson, A.O.Macchiavelli, A.Juodagalvis, A.Poves, I.Ragnarsson, S.Aberg, D.E.Appelbe, R.A.E.Austin, C.Baktash, G.C.Ball, M.P.Carpenter, E.Caurier, R.M.Clark, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, M.Furlotti, A.Galindo-Uribarri, R.V.F.Janssens, G.J.Lane, I.Y.Lee, M.Lipoglavsek, F.Nowacki, S.D.Paul, D.C.Radford, D.G.Sarantites, D.Seweryniak, F.S.Stephens, V.Tomov, K.Vetter, D.Ward, C.H.Yu

Superdeformation in the N = Z Nucleus 36Ar: Experimental, deformed mean field, and spherical shell model descriptions

NUCLEAR REACTIONS 24Mg(20Ne, 2α), E=80 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 36Ar deduced high-spin levels, J, π, superdeformed band, configurations. Gammasphere, Microball arrays. Cranked mean-field calculations, shell model calculations.

doi: 10.1103/PhysRevLett.85.2693
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2000WA31      Phys.Scr. T88, 49 (2000)

R.Wadsworth, J.A.Cameron, R.M.Clark, C.J.Chiara, R.M.Diamond, M.A.Deleplanque, P.Fallon, D.B.Fossan, I.M.Hibbert, D.G.Jenkins, S.Juutinen, N.Kelsall, R.Krucken, G.J.Lane, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, C.M.Parry, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, S.Frauendorf

Evidence for Magnetic Rotation in the Light Tin Region

NUCLEAR REACTIONS 54Fe(58Ni, 2pα), (58Ni, 4p), E=243 MeV; 96Zr(18O, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 106,108Sn, 110Cd deduced transitions T1/2, B(M1), B(E2), magnetic dipole bands, shears mechanism. Gammasphere array.

doi: 10.1238/Physica.Topical.088a00049
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1999AM04      J.Phys.(London) G25, 831 (1999)

N.Amzal, J.F.C.Cocks, P.A.Butler, K.J.Cann, P.T.Greenlees, G.D.Jones, S.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Machiavelli, R.W.MacLeod, F.S.Stephens, P.M.Jones, R.Julin, R.Broda, B.Fornal, J.F.Smith, T.Lauritsen, P.Bhattacharyya, C.T.Zhang

Spectroscopic Study of 228-234Th Nuclei using Multi-Nucleon Transfer Reactions

NUCLEAR REACTIONS 232Th(136Xe, X), E=833 MeV; measured Eγ, Iγ, γγ-coin. 228,230,234Th deduced high-spin levels, J, π, possible octupole vibration. Gammasphere array, multi-nucleon transfer reactions.

doi: 10.1088/0954-3899/25/4/048
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1999AS05      Phys.Rev. C60, 044307 (1999)

S.J.Asztalos, I.Y.Lee, K.Vetter, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, K.Jing, L.Phair, A.O.Macchiavelli, J.O.Rasmussen, F.S.Stephens, G.J.Wozniak, J.A.Becker, L.A.Bernstein, D.P.McNabb, P.F.Hua, D.G.Sarantites, J.X.Saladin, C.-H.Yu, J.A.Cizewski, R.Donangelo

Spin Yields of Neutron-Rich Nuclei from Deep Inelastic Reactions

NUCLEAR REACTIONS 176Yb(48Ca, X), 176Yb, 208Pb(154Sm, X), E ≈ 6 MeV/nucleon; measured Eγ, Iγ, γγ-, (fragment)γ-coin; deduced spin yield vs nucleon transfer, enhancement due to deep inelastic contributions. 172,173,174,175,176,177,178Yb, 173Tm, 152,153,154,155,156Sm deduced high-spin levels, J, π. Gammasphere, silicon strip detector.

doi: 10.1103/PhysRevC.60.044307
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1999CL03      Phys.Rev.Lett. 82, 3220 (1999)

R.M.Clark, S.J.Asztalos, B.Busse, C.J.Chiara, M.Cromaz, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.B.Fossan, D.G.Jenkins, S.Juutinen, N.Kelsall, R.Krucken, G.J.Lane, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, J.M.Sears, J.F.Smith, F.S.Stephens, K.Vetter, R.Wadsworth, S.Frauendorf

Shears Mechanism in the A ∼ 110 Region

NUCLEAR REACTIONS 96Zr(18O, 4n), E=70 MeV; measured Eγ, Iγ, γγ-coin, DSA. 110Cd deduced transitions T1/2, B(M1), magnetic-rotational band. Tilted axis cranking analysis.

doi: 10.1103/PhysRevLett.82.3220
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1999CO02      Nucl.Phys. A645, 61 (1999)

J.F.C.Cocks, D.Hawcroft, N.Amzal, P.A.Butler, K.J.Cann, P.T.Greenlees, G.D.Jones, S.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, F.S.Stephens, P.Jones, R.Julin, R.Broda, B.Fornal, J.F.Smith, T.Lauritsen, P.Bhattacharyya, C.T.Zhang

Spectroscopy of Rn, Ra and Th Isotopes using Multi-Nucleon Transfer Reactions

NUCLEAR REACTIONS 232Th(136Xe, X), E=833 MeV; measured Eγ, Iγ, γγ-coin. 218,220,222Rn, 222,224,226,228Ra, 228,230,234Th deduced high-spin levels, J, π, B(E1)/B(E2), octupole deformation. Multi-nucleon transfer reactions.

doi: 10.1016/S0375-9474(98)00586-7
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1999DE29      Nucl.Instrum.Methods Phys.Res. A430, 292 (1999)

M.A.Deleplanque, I.Y.Lee, K.Vetter, G.J.Schmid, F.S.Stephens, R.M.Clark, R.M.Diamond, P.Fallon, A.O.Macchiavelli

GRETA: Utilizing New Concepts in γ-Ray Detection

doi: 10.1016/S0168-9002(99)00187-4
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1999FA13      Phys.Rev. C60, 044301 (1999)

P.Fallon, P.-H.Heenen, W.Satula, R.M.Clark, F.S.Stephens, M.A.Deleplanque, R.M.Diamond, I.Y.Lee, A.O.Macchiavelli, K.Vetter

Origin of Unit Alignment in Superdeformed Bands in A ≈ 190 Nuclei

NUCLEAR STRUCTURE 192,193,194,195,196Pb, 192,193,194,195Tl, 190,191,192,193,194Hg; analyzed identical superdeformed bands spin alignments, moments of inertia; deduced relative single-particle, core contributions. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.60.044301
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1999FU04      Phys.Lett. 449B, 6 (1999)

B.K.Fujikawa, S.J.Asztalos, R.M.Clark, M.-A.Deleplanque-Stephens, P.Fallon, S.J.Freedman, J.P.Greene, I.-Y.Lee, L.J.Lising, A.O.Macchiavelli, R.W.MacLeod, J.C.Reich, M.A.Rowe, S.-Q.Shang, F.S.Stephens, E.G.Wasserman

A New Measurement of the Strength of the Superallowed Fermi Branch in the Beta Decay of 10C with GAMMASPHERE

RADIOACTIVITY 10C(β+) [from 10B(p, n), E=8 MeV]; measured β-delayed Eγ, Iγ; deduced superallowed transition branching ratio. Gammasphere array.

doi: 10.1016/S0370-2693(98)01603-7
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1999KR17      Phys.Rev. C60, 031302 (1999)

R.Krucken, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter, J.-Y.Zhang

νh11/2 Bands in 113Pd and 115Pd

NUCLEAR REACTIONS 208Pb(18O, F), E=91 MeV; measured Eγ, Iγ, γγ-coin. 113,115Pd deduced high-spin levels, possible J, π, configurations, deformation. Gammasphere array. Comparison with cranked Woods-Saxon calculations.

doi: 10.1103/PhysRevC.60.031302
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1999KR19      Eur.Phys.J. A 5, 367 (1999)

R.Krucken, Z.Wang, S.J.Asztalos, J.A.Becker, L.A.Bernstein, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, N.Fotiades, K.Hauschild, I.Y.Lee, A.O.Macchiavelli, G.J.Schmid, F.S.Stephens, K.Vetter

Quadrupole Moments of Superdeformed Bands in 193Tl

NUCLEAR REACTIONS 176Yb(23Na, 6n), E=129 MeV; measured Eγ, Iγ(θ)γγ-coin, DSA. 193Tl deduced high-spin levels, J, π, superdeformed-band quadrupole moments, no linking transitions found. GAMMASPHERE array.

doi: 10.1007/s100500050298
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1999MA15      Phys.Lett. 450B, 1 (1999)

A.O.Macchiavelli, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, F.S.Stephens, K.Vetter

The Competition between the Shears Mechanism and Core Rotation in a Classical Particles-Plus-Rotor Model

doi: 10.1016/S0370-2693(99)00119-7
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1999SC13      J.Phys.(London) G25, 807 (1999)

C.Schuck, E.Gueorguieva, F.S.Stephens, M.A.Deleplanque, F.Hannachi, A.Korichi, A.Lopez-Martens, B.Kharraja, W.H.Kelly, Ch.Vieu, M.Kaci, J.S.Dionisio, I.Deloncle, B.J.P.Gall, U.J.van Severen, W.Pohler, B.Schulze, H.Hubel, R.Wadsworth

Pseudo-Spin Symmetry and Identical SD Bands: The excited superdeformed bands in 191Au

NUCLEAR STRUCTURE 191Au; analyzed superdeformed bands alignments; deduced possible pseudo-spin doublet. 190Pt; calculated quasiparticle Routhians. Cranked mean-field calculations.

doi: 10.1088/0954-3899/25/4/042
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1999SC27      Nucl.Instrum.Methods Phys.Res. A430, 69 (1999); Erratum Nucl.Instrum.Methods Phys.Res. A434, 481 (1999)

G.J.Schmid, M.A.Deleplanque, I.Y.Lee, F.S.Stephens, K.Vetter, R.M.Clark, R.M.Diamond, P.Fallon, A.O.Macchiavelli, R.W.MacLeod

A γ-Ray Tracking Algorithm for the GRETA Spectrometer

doi: 10.1016/S0168-9002(99)00188-6
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1998BE06      Phys.Lett. 417B, 13 (1998)

C.W.Beausang, P.Fallon, D.E.Appelbe, S.Asztalos, R.M.Clark, S.Clarke, B.Cederwall, M.A.Deleplanque, R.M.Diamond, S.Erturk, W.Kelly, I.Y.Lee, A.O.Macchiavelli, D.C.Patterson, M.B.Smith, F.S.Stephens, P.J.Twin, A.N.Wilson

Lifetimes of Yrast and Excited Superdeformed State in 150Gd: Effect of particle-hole excitations on the deformation

NUCLEAR REACTIONS 130Te(26Mg, 6n), E=149 MeV; measured Eγ, Iγ, γγ-coin, DSA. 150Gd deduced high-spin levels, superdeformed bands T1/2, quadrupole moments, configurations.

doi: 10.1016/S0370-2693(97)01347-6
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1998BU03      Phys.Rev. C57, R1017 (1998)

B.C.Busse, P.Fallon, R.Krucken, D.Ackermann, I.Ahmad, S.J.Asztalos, D.J.Blumenthal, M.P.Carpenter, R.M.Clark, M.A.Deleplanque, R.M.Diamond, S.M.Fischer, F.Hannachi, R.V.F.Janssens, T.L.Khoo, A.Korichi, T.Lauritsen, I.Y.Lee, A.Lopez-Martens, A.O.Macchiavelli, R.W.MacLeod, E.F.Moore, D.Nisius, G.Schmid, D.Seweryniak, F.S.Stephens, K.Vetter

Lifetime Measurements of Yrast and Excited Superdeformed Bands in 192,193Hg

NUCLEAR REACTIONS 176Yb(22Ne, 5n), (22Ne, 6n), E=118 MeV; measured Eγ, Iγ, γγ-coin, DSA. 192,193Hg deduced superdeformed bands T1/2, average quadrupole moments, configurations.

doi: 10.1103/PhysRevC.57.R1017
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1998CL06      Phys.Lett. 440B, 251 (1998)

R.M.Clark, R.Krucken, S.J.Asztalos, J.A.Becker, B.Busse, S.Chmel, M.A.Deleplanque, R.M.Diamond, P.Fallon, D.Jenkins, K.Hauschild, I.M.Hibbert, H.Hubel, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, F.S.Stephens, U.J.van Severen, K.Vetter, R.Wadsworth, S.Wan

The Shears Mechanism in the Lead Isotopes

NUCLEAR REACTIONS 172,174,176Yb(26Mg, xn), E=135, 137, 139 MeV; measured Eγ, Iγ, γγ-coin, DSA. 193,194,195,196,197Pb deduced rotational bands transitions T1/2, B(M1), shears mechanism. Magnetic rotation, tilted axis cranking.

doi: 10.1016/S0370-2693(98)01179-4
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1998IS10      Phys.Rev.Lett. 81, 2416 (1998); Erratum Phys.Rev.Lett. 82, 2220 (1999)

M.C.P.Isaac, Y.D.Chan, R.Clark, M.A.Deleplanque, M.R.Dragowsky, P.Fallon, I.D.Goldman, R.-M.Larimer, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, K.Nishiizumi, E.B.Norman, L.S.Schroeder, F.S.Stephens

Search for Strange Matter by Heavy Ion Activation

doi: 10.1103/PhysRevLett.81.2416
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1998JO14      Acta Phys.Hung.N.S. 7, 111 (1998)

D.T.Joss, E.S.Paul, A.T.Semple, P.J.Nolan, R.M.Clark, I.Y.Lee, P.Fallon, S.J.Asztalos, B.Cederwall, M.A.Deleplanque, R.M.Diamond, A.O.Macchiavelli, F.S.Stephens, K.Hauschild, I.M.Hibbert, N.J.O'Brien, R.Wadsworth, J.A.Becker, L.Becker, L.Bernstein, L.P.Farris, W.H.Kelly

Lifetime Measurements of a Triaxial Band in 133Ce

NUCLEAR REACTIONS 100Mo(36S, 3n), E=155 MeV; measured Eγ, Iγ, γγ-coin, DSA. 133Ce deduced levels T1/2, quadrupole moments.


1998JO16      Phys.Rev. C58, 3219 (1998)

D.T.Joss, E.S.Paul, R.M.Clark, I.Y.Lee, S.J.Asztalos, J.A.Becker, L.Bernstein, B.Cederwall, M.A.Deleplanque, R.M.Diamond, P.Fallon, L.P.Farris, K.Hauschild, I.M.Hibbert, W.H.Kelly, A.O.Macchiavelli, P.J.Nolan, N.J.O'Brien, A.T.Semple, F.S.Stephens, R.Wadsworth

Lifetime Measurements of a Triaxial Band in 133Ce

NUCLEAR REACTIONS 100Mo(36S, 3n), E not given; measured Eγ, Iγ, γγ-coin, DSA. 133Ce deduced transitions T1/2, transition quadrupole moments, rotational band features, triaxial deformation. Gammasphere. TRS calculations.

doi: 10.1103/PhysRevC.58.3219
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1998KR20      Phys.Rev. C58, R1876 (1998)

R.Krucken, R.M.Clark, A.Dewald, M.A.Deleplanque, R.M.Diamond, P.Fallon, K.Hauschild, I.Y.Lee, A.O.Macchiavelli, R.Peusquens, G.J.Schmid, F.S.Stephens, K.Vetter, P.von Brentano

Lifetimes Near the Bandhead of a Shears Band in 198Pb

NUCLEAR REACTIONS 154Sm(48Ca, 4n), E=210 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 198Pb deduced levels T1/2, B(M1), magnetic rotation, shears band. Recoil distance method. Tilted axis cranking model.

doi: 10.1103/PhysRevC.58.R1876
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1998MA09      Phys.Rev. C57, R1073 (1998)

A.O.Macchiavelli, R.M.Clark, P.Fallon, M.A.Deleplanque, R.M.Diamond, R.Krucken, I.Y.Lee, F.S.Stephens, S.Asztalos, K.Vetter

Semiclassical Description of the Shears Mechanism and the Role of Effective Interactions

NUCLEAR STRUCTURE 198,199Pb; analyzed shears bands B(M1), B(E2), effective g-factors vs shears angle; deduced residual proton-neutron interactions dependence. Semiclassical model.

doi: 10.1103/PhysRevC.57.R1073
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1998MA43      Phys.Rev. C58, R621 (1998)

A.O.Macchiavelli, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, F.S.Stephens, K.Vetter

Shears Mechanism and Particle-Vibration Coupling

NUCLEAR STRUCTURE 198,199Pb; analyzed shears bands; deduced particle-vibration coupling mechanism.

doi: 10.1103/PhysRevC.58.R621
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1998MA81      Phys.Rev. C58, 3746 (1998)

A.O.Macchiavelli, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, F.S.Stephens, K.Vetter

Rotational-Like Properties of the Shears Bands

NUCLEAR STRUCTURE 197Pb; analyzed shears band rotational properties. Interacting angular momentum vectors, effective P2 interaction.

doi: 10.1103/PhysRevC.58.3746
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1998NE01      Nucl.Phys. A629, 621 (1998)

N.Nenoff, G.Baldsiefen, H.Hubel, A.Gorgen, W.Korten, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens

Dipole Band Structures in 195Hg

NUCLEAR REACTIONS 192Os(9Be, 6n), E=80 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios. 195Hg deduced high-spin levels, J, π, dipole bands. Compton-supressed Ge, BGO detectors.

doi: 10.1016/S0375-9474(97)00653-2
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1998SC44      Nucl.Instrum.Methods Phys.Res. A417, 95 (1998)

G.J.Schmid, A.O.Macchiavelli, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.Kruecken, I.Y.Lee, R.W.MacLeod, F.S.Stephens, K.Vetter

Gamma-Ray Polarization Sensitivity of the Gammasphere Segmented Germanium Detectors

NUCLEAR REACTIONS 24Mg, 56Fe, 109Ag(p, p'γ), E ≈ 2.5 MeV; measured Eγ, Iγ(θ); deduced detectors polarization sensitivity. 176Yb(26Mg, 5n), E=135 MeV; measured Eγ, Iγ(θ), γγ-coin, γ polarization. 197Pb deduced high-spin levels π, transitions multipolarities. Gammasphere.

doi: 10.1016/S0168-9002(98)00624-X
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1998ST06      Phys.Rev. C57, R1565 (1998)

F.S.Stephens, M.A.Deleplanque, A.O.Macchiavelli, R.M.Diamond, P.Fallon, I.Y.Lee, C.Schuck

Alignment and Pseudospin Symmetry

NUCLEAR STRUCTURE 183,185,187W, 185,187,189Os, 191Au; analyzed rotational bands relative alignments; deduced possible pseudospin mechanism for identical band phenomenon.

doi: 10.1103/PhysRevC.57.R1565
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1998VA18      Phys.Lett. 434B, 14 (1998)

U.J.van Severen, R.M.Clark, R.Krucken, H.Hubel, S.J.Asztalos, J.A.Becker, B.C.Busse, M.A.Deleplanque, R.M.Diamond, P.Fallon, K.Hauschild, I.M.Hibbert, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, F.S.Stephens, K.Vetter, R.Wadsworth, S.Wan

Comparative Quadrupole Moments of Superdeformed Bands in 193-196Pb

NUCLEAR REACTIONS 172,174,176Yb(26Mg, xn)192Pb/193Pb/194Pb/195Pb/196Pb/197Pb, E=135-139 MeV; measured Eγ, Iγ, γγ-coin, DSA. 193,194,195,196Pb deduced superdeformed bands T1/2, quadrupole moments, configurations.

doi: 10.1016/S0370-2693(98)00819-3
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1998VE04      Phys.Rev. C58, R2631 (1998)

K.Vetter, A.O.Macchiavelli, D.Cline, H.Amro, S.J.Asztalos, B.C.Busse, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.Gray, R.V.F.Janssens, R.Krucken, I.Y.Lee, R.W.MacLeod, E.F.Moore, G.J.Schmid, M.W.Simon, F.S.Stephens, C.Y.Wu

Fragmentation of the Two-Phonon Octupole Vibrational States in 208Pb

NUCLEAR REACTIONS 208Pb(136Xe, 136Xe'), E=650 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin, γ-ray yields vs projectile scattering angle following Coulomb excitation. 208Pb deduced transition B(E3), fragmentation of two-phonon octupole vibrational strength. Gammasphere, Chico detector arrays.

doi: 10.1103/PhysRevC.58.R2631
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1997CL03      Phys.Rev.Lett. 78, 1868 (1997)

R.M.Clark, S.J.Asztalos, G.Baldsiefen, J.A.Becker, L.Bernstein, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.M.Hibbert, H.Hubel, R.Krucken, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, F.S.Stephens, K.Vetter, R.Wadsworth, S.Frauendorf

Evidence for ' Magnetic Rotation ' in Nuclei: Lifetimes of states in the M1 bands of 198,199Pb

NUCLEAR REACTIONS 186W(18O, 5n), (18O, 6n), E=99, 104 MeV; measured γγ-energy correlations, Doppler-broadened line shapes, Eγ, Iγ, DSA. 198,199Pb deduced high-spin levels, T1/2, B(λ), magnetic rotation evidence.

doi: 10.1103/PhysRevLett.78.1868
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1997CO08      Phys.Rev.Lett. 78, 2920 (1997)

J.F.C.Cocks, P.A.Butler, K.J.Cann, P.T.Greenlees, G.D.Jones, S.Asztalos, P.Bhattacharyya, R.Broda, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, B.Fornal, P.M.Jones, R.Julin, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, J.F.Smith, F.S.Stephens, C.T.Zhang

Observation of Octupole Structures in Radon and Radium Isotopes and Their Contrasting Behavior at High Spin

NUCLEAR REACTIONS 232Th(136Xe, X), E=833 MeV; measured γγγ-, γγγγ-coin. 218,220,222Rn, 222,224,226Ra deduced high-spin levels, J, π, intrinsic electric dipole moment to electric quadrupole moment ratio.

doi: 10.1103/PhysRevLett.78.2920
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1997FA04      Phys.Rev. C55, R999 (1997)

P.Fallon, F.S.Stephens, S.Asztalos, B.Busse, R.M.Clark, M.A.Deleplanque, R.M.Diamond, R.Krucken, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, K.Vetter, T.Nakatsukasa

Octupole Vibrations and Signature Splitting in Even Mass Hg Superdeformed Bands

NUCLEAR STRUCTURE 190,192,194Hg; analyzed superdeformed bands octupole characteristics.

doi: 10.1103/PhysRevC.55.R999
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1997HA01      Phys.Rev. C55, 148 (1997)

G.Hackman, R.Krucken, R.V.F.Janssens, M.A.Deleplanque, M.P.Carpenter, D.Ackermann, I.Ahmad, H.Amro, S.Asztalos, D.J.Blumenthal, R.M.Clark, R.M.Diamond, P.Fallon, S.M.Fischer, B.Herskind, T.L.Khoo, T.Lauritsen, I.-Y.Lee, R.W.MacLeod, A.O.Macchiavelli, D.Nisius, G.J.Schmid, F.S.Stephens, K.Vetter, R.Wyss

Structure of Superdeformed Bands in 195Hg

NUCLEAR REACTIONS 150Nd(48Ca, xn), E=201 MeV; measured Eγ, γγγ-coin, Iγ. 195Hg deduced high-spin levels, J, π, 4 superdeformed bands, quasiparticle alignments, configurations.

doi: 10.1103/PhysRevC.55.148
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1997HA24      Phys.Rev. C55, 2819 (1997)

K.Hauschild, L.A.Bernstein, J.A.Becker, D.E.Archer, R.W.Bauer, D.P.McNabb, J.A.Cizewski, K.-Y.Ding, W.Younes, R.Krucken, R.M.Diamond, R.M.Clark, P.Fallon, I.-Y.Lee, A.O.Macchiavelli, R.MacLeod, G.J.Schmid, M.A.Deleplanque, F.S.Stephens, W.H.Kelly

Yrast Superdeformed Band in 194Pb: J(π) and E(x)

NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130 MeV; measured Eγ, Iγ, γγ-coin. 194Pb deduced superdeformed band levels, J, π, linking transitions.

doi: 10.1103/PhysRevC.55.2819
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1997HU12      Z.Phys. A358, 237 (1997)

H.Hubel, G.Baldsiefen, R.M.Clark, S.J.Asztalos, J.A.Becker, L.Bernstein, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.M.Hibbert, R.Krucken, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, G.Schmid, F.S.Stephens, K.Vetter, R.Wadsworth

Shears Bands in the Pb Region

NUCLEAR REACTIONS 186W(18O, 5n), E=104 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ). 199Pb deduced high-spin levels, J, π, configurations, shears bands, magnetic rotation role in M1 transitions.

doi: 10.1007/s002180050317
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1997KR03      Phys.Rev. C55, R1625 (1997)

R.Krucken, S.J.Asztalos, J.A.Becker, B.Busse, R.M.Clark, M.A.Deleplanque, A.Dewald, R.M.Diamond, P.Fallon, K.Hauschild, I.Y.Lee, A.O.Macchiavelli, R.W.MacLeod, R.Peusquens, G.J.Schmid, F.S.Stephens, K.Vetter, P.von Brentano

Decay Out of the Superdeformed Band in 194Pb: Electromagnetic properties

NUCLEAR REACTIONS 164Dy(34S, 4n), E=166 MeV; measured γγγ-coin, Eγ, recoil distance Doppler shift. 194Pb deduced superdeformed states T1/2, decay features, B(λ), transition quadrupole moment, superdeformed, normal deformed states interaction related features.

doi: 10.1103/PhysRevC.55.R1625
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1997LE11      Phys.Rev. C56, 753 (1997)

I.Y.Lee, S.Asztalos, M.-A.Deleplanque, B.Cederwall, R.M.Diamond, P.Fallon, A.O.Macchiavelli, L.Phair, F.S.Stephens, G.J.Wozniak, S.G.Frauendorf, J.A.Becker, E.A.Henry, P.F.Hua, D.G.Sarantites, J.X.Saladin, C.H.Yu

Study of Neutron-Rich Nuclei using Deep-Inelastic Reactions

NUCLEAR REACTIONS 176Yb(48Ca, X), E=250 MeV; measured γ yields, Eγ, Iγ, γγ-, γ(fragment)-coin; deduced target like nuclei production σ. 175,177,178Yb deduced high-spin levels, J, π, configurations. CSM analysis. Gammasphere.

doi: 10.1103/PhysRevC.56.753
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1997MO12      Phys.Rev. C55, R2150 (1997)

E.F.Moore, T.Lauritsen, R.V.F.Janssens, T.L.Khoo, D.Ackermann, I.Ahmad, H.Amro, D.Blumenthal, M.P.Carpenter, S.M.Fischer, G.Hackman, D.Nisius, F.Hannachi, A.Lopez-Martens, A.Korichi, S.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens, J.A.Becker, L.Bernstein, L.P.Farris, E.A.Henry

Differential Lifetime Measurements and Identical Superdeformed Bands 192,194Hg

NUCLEAR REACTIONS 148Nd(48Ca, 4n), E=205 MeV; 150Nd(48Ca, 4n), E=202 MeV; measured γγγ-, higher-fold coincidences, DSA. 192,194Hg deduced superdeformed bands differential T1/2, intrinsic quadrupole moments, β2.

doi: 10.1103/PhysRevC.55.R2150
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1997MO22      Z.Phys. A358, 219 (1997)

E.F.Moore, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Ackermann, I.Ahmad, H.Amro, D.Blumenthal, S.Fischer, G.Hackman, D.Nisius, F.Hannachi, A.Lopez-Martens, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.Kruecken, I.-Y.Lee, A.O.Macchiavelli, F.S.Stephens, J.A.Becker, L.Bernstein, L.P.Farris, E.A.Henry, A.Korichi

Lifetime Measurements and Decay of Superdeformed Bands in Hg Isotopes

NUCLEAR REACTIONS 148Nd(48Ca, 4n), E=205 MeV; 150Nd(48Ca, 4n), E=202 MeV; measured Eγ, Iγ, γγ-coin, DSA. 192Hg deduced superdeformed bandsintrinsic quadrupole moments, high-spin levels T1/2. 194Hg deduced superdeformed bands intrinsic quadrupole moments, high-spin levels T1/2, linking transitions. Centroid shift analysis.

doi: 10.1007/s002180050313
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1997NI01      Phys.Lett. 392B, 18 (1997)

D.Nisius, R.V.F.Janssens, E.F.Moore, P.Fallon, B.Crowell, T.Lauritsen, G.Hackman, I.Ahmad, H.Amro, S.Asztalos, M.P.Carpenter, P.Chowdhury, R.M.Clark, P.J.Daly, M.A.Deleplanque, R.M.Diamond, S.M.Fischer, Z.W.Grabowski, T.L.Khoo, I.Y.Lee, A.O.Macchiavelli, R.H.Mayer, F.S.Stephens, A.V.Afanasjev, I.Ragnarsson

Differential Lifetime Measurements and Configuration-Dependent Quadrupole Moments for Superdeformed Bands in Nuclei Near 152Dy

NUCLEAR REACTIONS 122Sn(34S, 5n), (34S, 4n), (34S, 4np), E=175 MeV; measured γγ-coin, energy correlations, DSAM. 151,152Dy, 151Tb deduced levels, J, π, superdeformed bands, T1/2, quadrupole moments, shape polarization related features.

doi: 10.1016/S0370-2693(96)01517-1
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1997SC22      Phys.Rev. C56, R1667 (1997)

C.Schuck, E.Gueorguieva, A.Lopez-Martens, F.Hannachi, A.Korichi, Ch.Vieu, J.S.Dionisio, I.Deloncle, M.Kaci, F.S.Stephens, M.A.Deleplanque, W.H.Kelly, B.Kharraja, B.J.P.Gall, U.J.van Severen, W.Pohler, B.Schulze, H.Hubel, R.Wadsworth

Proton Superdeformed Bands below the Z = 80 Gap in 191Au: Possible evidence for pseudospin coupling

NUCLEAR REACTIONS 186W(11B, 6n), E=84, 86 MeV; measured Eγ, Iγ, γγ-coin. 191Au deduced high-spin levels, J, π, superdeformed bands properties, configurations. Psuedospin coupling scheme interpretation.

doi: 10.1103/PhysRevC.56.R1667
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1997SM11      Acta Phys.Hung.N.S. 6, 305 (1997)

M.B.Smith, D.E.Appelbe, C.W.Beausang, P.J.Twin, S.Asztalos, M.A.Bentley, R.M.Clark, D.M.Cullen, P.J.Dagnall, M.A.Deleplanque, R.M.Diamond, S.Erturk, P.Fallon, Ch.Finck, B.Haas, A.O.Macchiavelli, C.Rigollet, H.Savayols, O.Stezowski

The Search for Hyperdeformation in 152Dy

NUCLEAR REACTIONS 120Sn(37Cl, 4np), E=185, 190 MeV; 124Sn(34S, 6n), E=182 MeV; measured Eγ, Iγ, γγ-coin. 152Dy deduced no clear evidence for hyperdeformed states.


1997VE05      Phys.Rev. C56, 2316 (1997)

K.Vetter, A.O.Macchiavelli, S.J.Asztalos, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, R.Krucken, I.Y.Lee, R.W.MacLeod, G.J.Schmid, F.S.Stephens

Population and Detection of Two-Phonon Octupole Vibrational States in 208Pb

NUCLEAR REACTIONS 208Pb(154Sm, 154Sm'), E=1 GeV; measured Eγ, Iγ, γγ-, (particle)γγ-coin. 208Pb deduced no evidence for two-phonon octupole vibration.

doi: 10.1103/PhysRevC.56.2316
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1997WI19      Phys.Rev. C56, 2502 (1997)

J.N.Wilson, S.J.Asztalos, R.A.Austin, B.Busse, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, S.Flibotte, G.Gervais, D.S.Haslip, I.Y.Lee, R.Kruecken, A.O.Macchiavelli, R.W.MacLeod, J.M.Nieminen, G.J.Schmid, F.S.Stephens, O.Stezowski, C.E.Svensson, K.Vetter, J.C.Waddington

Search for Hyperdeformation in 168Yb

NUCLEAR REACTIONS 124Sn(48Ca, xnypzα)165Yb/166Yb/167Yb/168Yb/169Yb/167Tm/163Er/164Er, E=215 MeV; measured Eγ, Iγ, γγ-coin, relative yields. 168Yb deduced no evidence for hyperdeformed states. Monte Carlo simulation, observational sensitivity determined.

doi: 10.1103/PhysRevC.56.2502
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1996BA54      Phys.Rev. C54, 1106 (1996)

G.Baldsiefen, M.A.Stoyer, J.A.Cizewski, D.P.McNabb, W.Younes, J.A.Becker, L.A.Bernstein, M.J.Brinkman, L.P.Farris, E.A.Henry, J.R.Hughes, A.Kuhnert, T.F.Wang, B.Cederwall, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, I.Y.Lee, A.O.Macchiavelli, J.Oliveira, F.S.Stephens, J.Burde, D.T.Vo, S.Frauendorf

Shears Bands in 193Pb

NUCLEAR REACTIONS 174Yb(24Mg, 5n), E=129, 131, 134 MeV; measured Eγ, Iγ, directional correlations. 193Pb deduced high-spin levels, J, π, band structure, B(λ), single-particle configurations of M1 bands. Tilted axis cranking model analysis.

doi: 10.1103/PhysRevC.54.1106
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1996BR07      Phys.Rev. C53, R1461 (1996)

M.J.Brinkman, J.A.Becker, I.Y.Lee, L.P.Farris, E.A.Henry, R.W.Hoff, J.R.Hughes, M.A.Stoyer, L.A.Bernstein, J.A.Cizewski, H.Q.Jin, W.Younes, B.Cederwall, M.A.Deleplanque, R.M.Diamond, P.Fallon, A.O.Macchiavelli, F.S.Stephens, W.H.Kelly, D.T.Vo, J.E.Draper, C.Duyar, E.Rubel

Decay from a Superdeformed Band in 194Pb

NUCLEAR REACTIONS 174Yb(25Mg, 5n), E=130 MeV; measured γγ-coin. 194Pb deduced superdeformed band levels J, π, decay features.

doi: 10.1103/PhysRevC.53.R1461
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1996CL01      Phys.Rev. C53, 117 (1996)

R.M.Clark, S.Bouneau, A.N.Wilson, B.Cederwall, F.Azaiez, S.Asztalos, J.A.Becker, L.Bernstein, M.J.Brinkman, M.A.Deleplanque, I.Deloncle, R.M.Diamond, J.Duprat, P.Fallon, L.P.Farris, E.A.Henry, J.R.Hughes, W.H.Kelly, I.Y.Lee, A.O.Macchiavelli, M.G.Porquet, J.F.Sharpey-Schafer, F.S.Stephens, M.A.Stoyer, D.T.Vo

Superdeformation in Bismuth

NUCLEAR REACTIONS 183W(19F, 5n), (19F, 6n), (19F, 7n), E=108 MeV; 181Ta(20Ne, 4n), (20Ne, 5n), (20Ne, 6n), E=123 MeV; measured γγ-coin. 195,196,197Bi deduced superdeformed bands.

doi: 10.1103/PhysRevC.53.117
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1996CL03      Phys.Rev.Lett. 76, 3510 (1996)

R.M.Clark, I.Y.Lee, P.Fallon, D.T.Joss, S.J.Asztalos, J.A.Becker, L.Bernstein, B.Cederwall, M.A.Deleplanque, R.M.Diamond, L.P.Farris, K.Hauschild, W.H.Kelly, A.O.Macchiavelli, P.J.Nolan, N.O'Brien, A.T.Semple, F.S.Stephens, R.Wadsworth

Relative Deformations of Superdeformed Bands in 131,132Ce

NUCLEAR REACTIONS 100Mo(36S, xn), E=155 MeV; measured DSA, Iγ(θ), γγ-coin. 131,132Ce deduced superdeformed bands, relative deformations, quadrupole moments, yrast bands F(τ).

doi: 10.1103/PhysRevLett.76.3510
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1996KH04      Phys.Rev.Lett. 76, 1583 (1996)

T.L.Khoo, M.P.Carpenter, T.Lauritsen, D.Ackermann, I.Ahmad, D.J.Blumenthal, S.M.Fischer, R.V.F.Janssens, D.Nisius, E.F.Moore, A.Lopez-Martens, T.Dossing, R.Kruecken, S.J.Asztalos, J.A.Becker, L.Bernstein, R.M.Clark, M.A.Deleplanque, R.M.Diamond, P.Fallon, L.P.Farris, F.Hannachi, E.A.Henry, A.Korichi, I.Y.Lee, A.O.Macchiavelli, F.S.Stephens

Excitation Energies and Spins of a Superdeformed Band in 194Hg from One-Step Discrete Decays to the Yrast Line

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=195 MeV; measured γγ-coin. 194Hg deduced high-spin levels, J, π, superdeformed band decay features.

doi: 10.1103/PhysRevLett.76.1583
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1996KR13      Phys.Rev. C54, R2109 (1996)

R.Krucken, G.Hackman, M.A.Deleplanque, R.V.F.Janssens, I.Y.Lee, D.Ackermann, I.Ahmad, H.Amro, S.Asztalos, D.J.Blumenthal, M.P.Carpenter, R.M.Clark, R.M.Diamond, P.Fallon, S.M.Fischer, B.Herskind, T.L.Khoo, T.Lauritsen, A.O.Macchiavelli, R.W.MacLeod, D.Nisius, G.J.Schmid, F.S.Stephens, K.Vetter

Test of ΔI = 2 Staggering in the Superdeformed Bands of 194Hg

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=201 MeV; measured Eγ, Iγ, γγγ-, multifold-coin. 194Hg deduced levels, J, π, superdeformed band properties.

doi: 10.1103/PhysRevC.54.R2109
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Note: The following list of authors and aliases matches the search parameter M.Deleplanque: , M.A.DELEPLANQUE, M.A.DELEPLANQUE-STEPHENS