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NSR database version of April 11, 2024.

Search: Author = H.Amro

Found 94 matches.

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2015RO27      Phys.Rev. C 92, 064313 (2015)

D.G.Roux, W.C.Ma, G.B.Hagemann, H.Amro, D.R.Elema, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, Y.Li, A.O.Macchiavelli, J.C.Marsh, G.Sletten, D.Ward, J.N.Wilson

Toward complete spectroscopy of 167Lu

NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Gammasphere array at LBNL cyclotron facility. 167Lu; deduced high-spin levels, J, π, multipolarity, rotational bands, triaxial strongly-deformed (TSD) bands, alignments, dynamic moments of inertia, band crossings, zero- and one-phonon wobbling, and multiquasiparticle excitations, quasiparticle and Nilsson configurations. Comparison with cranked shell model calculations, and with previous experimental results. Calculated quasiparticle Routhians as function of rotational frequency.

doi: 10.1103/PhysRevC.92.064313
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014MO07      Phys.Rev. C 89, 044611 (2014)

V.Morcelle, R.Lichtenthaler, R.Linares, M.C.Morais, V.Guimaraes, A.Lepine-Szily, P.R.S.Gomes, J.Lubian, D.R.Mendes, Jr., P.N.De Faria, A.Barioni, L.R.Gasques, J.M.B.Shorto, K.C.C.Pires, J.C.Zamora, R.P.Condori, V.Scarduelli, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

Elastic scattering and total reaction cross section for the 7Be + 27Al system at near-barrier energies

NUCLEAR REACTIONS 27Al(7Be, 7Be), [secondary 7Be produced in 3He(6Li, 7Be) primary reaction], E=10.0, 13.8, 15.2, 15.4 MeV; measured particle spectra, elastic σ(E, θ) using RIBRAS system at Sao Paulo, and TwinSol at NSL-Notre Dame facilities; deduced mean radii of sensitivity, energy dependence of the interacting optical potential, total reaction σ(E). Optical model analysis using the double-folding Sao Paulo and phenomenological Woods-Saxon and Sao Paulo potentials. Analysis of data obtained for 27Al, 197Au(8B, 8B) reactions in progress.

doi: 10.1103/PhysRevC.89.044611
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2139.


2012KO18      Phys.Rev. C 85, 054603 (2012)

J.J.Kolata, A.Roberts, A.M.Howard, D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, Z.Kohley, A.N.Villano, H.Amro, W.Loveland, E.Chavez

Fusion of 124, 132Sn with 40, 48Ca

NUCLEAR REACTIONS 40,48Ca(124Sn, X), (132Sn, X), E(cm)=105-165 MeV; measured evaporation residue spectra, fusion σ(E); deduced reduced fusion σ(E), fusion barriers. Inverse kinematics. Wong model and PACE2 fits. Comparison with time-dependent Hartree-Fock (TDHF) and coupled-channels Born approximation (CCBA) calculations.

doi: 10.1103/PhysRevC.85.054603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1922.


2011AL02      Phys.Rev. C 83, 024306 (2011)

A.Al-Khatib, G.B.Hagemann, G.Sletten, A.K.Singh, H.Amro, G.Benzoni, A.Bracco, P.Bringel, F.Camera, M.P.Carpenter, P.Chowdhury, R.M.Clark, C.Engelhardt, P.Fallon, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, A.Neusser-Neffgen, C.R.Hansen

High-spin spectroscopy in 125Xe

NUCLEAR REACTIONS 82Se(48Ca, 5n)125Xe, E=205 MeV; measured Eγ, Iγ, γγ-coin, DCO ratios, half-lives by DSAM using Gammasphere array. 125Xe; deduced levels, Jπ, rotational bands, multipolarities, highly-deformed bands, transition quadrupole moments from lifetime data, moment of inertia plots, configurations, alignments, band crossings. Calculated potential energy surfaces, Routhians using cranked shell model calculations (CSM).

doi: 10.1103/PhysRevC.83.024306
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011SI18      Phys.Rev. C 84, 024316 (2011)

P.Singh, S.Nag, A.K.Singh, I.Ragnarsson, H.Hubel, A.Al-Khatib, P.Bringel, C.Engelhardt, A.Neusser-Neffgen, G.B.Hagemann, C.R.Hansen, B.Herskind, G.Sletten, A.Bracco, G.Benzoni, F.Camera, P.Fallon, R.M.Clark, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, P.Chowdhury, H.Amro

Highly deformed high-spin band in 125I

NUCLEAR REACTIONS 82Se(48Ca, 4np), E=200 MeV; measured Eγ, Iγ, γγ- coin using Gammasphere array. 125I; deduced levels, J, π, highly-deformed bands, multipolarity, configurations, alignments, dynamic moments of inertia. 125I, 126Xe; calculated potential energy surfaces, Routhians using cranked Nilsson-Strutinsky formalism.

doi: 10.1103/PhysRevC.84.024316
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2010SI21      Phys.Rev. C 82, 034301 (2010)

P.Singh, S.Nag, A.K.Singh, H.Hubel, A.Al-Khatib, P.Bringel, C.Engelhardt, A.Neusser-Neffgen, I.Ragnarsson, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, G.B.Hagemann, C.R.Hansen, B.Herskind, G.Sletten, A.Bracco, G.Benzoni, F.Camera, P.Fallon, R.M.Clark, P.Chowdhury, H.Amro

Noncollective aligned and antialigned states in 125I

NUCLEAR REACTIONS 82Se(48Ca, 4np), E=205 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) ratios using Gammasphere array. 125I; deduced levels, J, π, bands, highly-deformed bands, multipolarities, and configurations. Comparison with cranked Nilsson-Strutinsky (CNS) calculations.

NUCLEAR STRUCTURE 125I; calculated levels and total energy surfaces.

doi: 10.1103/PhysRevC.82.034301
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Data from this article have been entered in the XUNDL database. For more information, click here.


2009YA21      Phys.Rev. C 80, 064306 (2009)

R.B.Yadav, W.C.Ma, G.B.Hagemann, H.Amro, A.Bracco, M.P.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.Odegard, L.L.Riedinger, K.A.Schmidt, S.Siem, G.Sletten, P.G.Varmette, J.N.Wilson, Y.C.Zhang

High-spin proton alignments and coexisting coupling schemes in 168Hf

NUCLEAR REACTIONS 96Zr(76Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO) using Gammasphere array. 168Hf; deduced levels, J, π, bands, multipolarity, B(M1)/B(E2) ratios, configurations, and enhanced deformation band. Comparison with cranked shell-model calculations.

doi: 10.1103/PhysRevC.80.064306
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2008AL12      Eur.Phys.J. A 36, 21 (2008)

A.Al-Khatib, H.Hubel, P.Bringel, C.Engelhardt, A.Neusser-Neffgen, G.B.Hagemann, C.R.Hansen, B.Herskind, G.Sletten, A.Bracco, F.Camera, G.Benzoni, P.Fallon, R.M.Clark, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, P.Chowdhury, H.Amro, A.K.Singh, R.Bengtsson

Transition to non-collective states at high spin in 124Xe

NUCLEAR REACTIONS 82Se(48Ca, 6n), E=205 MeV; measured Eγ, Iγ, γγ-coin using Gammasphere. 124Xe deduced levels, J, π.

doi: 10.1140/epja/i2008-10570-1
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2008CA17      Phys.Rev. C 78, 034605 (2008)

O.Camargo, V.Guimaraes, R.Lichtenthaler, V.Scarduelli, J.J.Kolata, C.A.Bertulani, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martinez-Quiroz, H.Garcia

The 9Be(8Li, 9Be)8Li elastic-transfer reaction

NUCLEAR REACTIONS 9Be(8Li, 9Be), E=27 MeV; measured angular distributions, σ(θ); deduced spectroscopic factors. 6,8Li(p, γ); deduced σ, reaction rates. Comparisons with DWBA and shell model calculations.

doi: 10.1103/PhysRevC.78.034605
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1662.


2008SK06      Phys.Rev. C 78, 044603 (2008)

B.B.Skorodumov, G.V.Rogachev, A.Aprahamian, V.Z.Goldberg, J.J.Kolata, S.Almaraz, H.Amro, E.D.Johnson, L.O.Lamm, M.Quinn, A.Teymurazyan, A.Woehr

T = 3/2 states in 13C

NUCLEAR REACTIONS 1H, C(11B, 11B), (12B, 12B), E=44.6 MeV; measured σ(θ). 13C; deduced levels, J, π, resonance widths. Comparisons with 13B, 13N, 13O, shell model calculations.

doi: 10.1103/PhysRevC.78.044603
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1658. Data from this article have been entered in the XUNDL database. For more information, click here.


2008YA20      Phys.Rev. C 78, 044316 (2008)

R.B.Yadav, W.C.Ma, G.B.Hagemann, R.Bengtsson, H.Ryde, H.Amro, A.Bracco, M.P.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, B.Herskind, H.Hubel, R.V.F.Janssens, T.L.Khoo, F.G.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.Odegard, L.L.Riedinger, K.A.Schmidt, S.Siem, G.Sletten, P.G.Varmette, J.N.Wilson, Y.C.Zhang

Identification of triaxial strongly deformed bands in 168Hf

NUCLEAR REACTIONS 96Zr(76Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, angular distributions. 168Hf; deduced levels, J, π, bands, configurations, strongly deformed triaxial bands. 170,171,175Hf; systematics of bands. Comparison with cranked shell model calculations.

doi: 10.1103/PhysRevC.78.044316
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007AL37      Acta Phys.Pol. B38, 1431 (2007)

A.Al-Khatib, H.Hubel, P.Bringel, C.Engelhardt, A.Neusser-Neffgen, G.B.Hagemann, C.R.Hansen, B.Herskind, G.Sletten, A.Bracco, F.Camera, G.Benzoni, P.Fallon, R.M.Clark, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, P.Chowdhury, H.Amro

High-Spin Spectroscopy of 124, 125, 126Xe

NUCLEAR REACTIONS 82Se(48Ca, X), E=205 MeV; measured Eγ, Iγ, γγ-coinc using Gammasphere. 124,125,126Xe deduced levels, J, π.

Data from this article have been entered in the XUNDL database. For more information, click here.


2007AM10      Eur.Phys.J. Special Topics 150, 1 (2007)

H.Amro, F.D.Becchetti, Y.Chen, H.Jiang, M.Ojaruega, M.J.Golobish, H.C.Griffin, J.J.Kolata, B.Skorodumov, G.Peaslee, P.A.DeYoung, P.Mears, D.Denby, J.Brown, J.D.Hinnefeld, A.M.Moro

7Be-induced α -transfer reaction on 12C

NUCLEAR REACTIONS 12C(7Be, 3He), E=34 MeV; measured σ and angular distributions.

doi: 10.1140/epjst/e2007-00250-4
Citations: PlumX Metrics


2007GU13      Phys.Rev. C 75, 054602 (2007)

V.Guimaraes, R.Lichtenthaler, O.Camargo, A.Barioni, M.Assuncao, J.J.Kolata, H.Amro, F.D.Becchetti, H.Jiang, E.F.Aguilera, D.Lizcano, E.Martines-Quiroz, H.Garcia

Neutron transfer reactions induced by 8Li on 9Be

NUCLEAR REACTIONS 9Be(8Li, 8Li), 9Be(8Li, 7Li), 9Be(8Li, 9Li), E=27 MeV; measured σ and angular distributions. Deduced spectroscopic factors, compared results to optical model calculations.

doi: 10.1103/PhysRevC.75.054602
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1570.


2007HA05      Phys.Rev. C 75, 034308 (2007)

A.B.Hayes, D.Cline, C.Y.Wu, H.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, H.Hua, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim

Spin dependence of K mixing, strong configuration mixing, and electromagnetic properties of 178Hf

NUCLEAR REACTIONS 178Hf(136Xe, 136Xe'), E=650 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. Ta(178Hf, 178Hf'), E ≈ 700-850 MeV; measured isomer production σ. 178Hf deduced levels, J, π, rotational bands, transition matrix elements, K-mixing features. Gammasphere, Chico arrays.

doi: 10.1103/PhysRevC.75.034308
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007KO23      Phys.Rev. C 75, 031302 (2007)

J.J.Kolata, H.Amro, F.D.Becchetti, J.A.Brown, P.A.DeYoung, M.Hencheck, J.D.Hinnefeld, G.F.Peaslee, A.L.Fritsch, C.Hall, U.Khadka, Patrick J.Mears, P.O'Rourke, D.Padilla, J.Rieth, T.Spencer, T.Williams

Breakup of 6He incident on 209Bi near the Coulomb barrier

NUCLEAR REACTIONS 209Bi(6He, 2nα), E=22.5 MeV; measured En, Eα, nα-coin, σ(θ); deduced reaction mechanism features. 6He level deduced B(E2).

doi: 10.1103/PhysRevC.75.031302
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1541.


2007LI27      Phys.Rev. C 75, 054607 (2007)

J.F.Liang, D.Shapira, J.R.Beene, C.J.Gross, R.L.Varner, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, P.E.Mueller, D.W.Stracener, H.Amro, J.J.Kolata, J.D.Bierman, A.L.Caraley, K.L.Jones, Y.Larochelle, W.Loveland, D.Peterson

Fusion of radioactive 132Sn with 64Ni

NUCLEAR REACTIONS 64Ni(132Sn, X), E=453-620 MeV; measured cross sections and angular distributions. Compared results to statistical model calculations.

doi: 10.1103/PhysRevC.75.054607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1572.


2007LI82      Eur.Phys.J. Special Topics 150, 35 (2007)

J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener

Measurements of fusion reactions induced by radioactive 132Sn on 64Ni

NUCLEAR REACTIONS 132Sn(64Ni, X), E(cm) < 220 MeV; measured evaporation residue and fission cross sections. Compared results to model calculations.

doi: 10.1140/epjst/e2007-00259-7
Citations: PlumX Metrics


2007PR03      Phys.Rev. C 75, 014309 (2007)

F.M.Prados Estevez, A.M.Bruce, M.J.Taylor, H.Amro, C.W.Beausang, R.F.Casten, J.J.Ressler, C.J.Barton, C.Chandler, G.Hammond

Isospin purity of T = 1 states in the A = 38 nuclei studied via lifetime measurements in 38K

NUCLEAR REACTIONS 40Ca(d, α), E=4.5 MeV; measured Eγ, Iγ, γγ-, αγ-coin, DSA. 38K deduced levels, J, π, T1/2.

doi: 10.1103/PhysRevC.75.014309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1544. Data from this article have been entered in the XUNDL database. For more information, click here.


2007SK02      Phys.Rev. C 75, 024607 (2007)

B.B.Skorodumov, G.V.Rogachev, P.Boutachkov, A.Aprahamian, V.Z.Goldberg, A.Mukhamedzhanov, S.Almaraz, H.Amro, F.D.Becchetti, S.Brown, Y.Chen, H.Jiang, J.J.Kolata, L.O.Lamm, M.Quinn, A.Woehr

Lowest excited states of 13O

NUCLEAR REACTIONS 1H(12N, p), E(cm)=0.8-2.7 MeV; measured Ep, excitation functions for elastic scattering. 13O deduced resonance energies, J, π, widths. 12N(p, γ), E=low; calculated astrophysical reaction rates. R-matrix calculations.

doi: 10.1103/PhysRevC.75.024607
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1571. Data from this article have been entered in the XUNDL database. For more information, click here.


2006AL15      Phys.Rev. C 74, 014305 (2006)

A.Al-Khatib, A.K.Singh, H.Hubel, P.Bringel, A.Burger, J.Domscheit, A.Neusser-Neffgen, G.Schonwasser, G.B.Hagemann, C.R.Hansen, B.Herskind, G.Sletten, J.N.Wilson, J.Timar, A.Algora, Zs.Dombradi, J.Gal, G.Kalinka, J.Molnar, B.M.Nyako, D.Sohler, L.Zolnai, R.M.Clark, M.Cromaz, P.Fallon, I.Y.Lee, A.O.Macchiavelli, D.Ward, H.Amro, W.C.Ma, M.Kmiecik, A.Maj, J.Styczen, K.Zuber, K.Hauschild, A.Korichi, A.Lopez-Martens, J.Roccaz, S.Siem, F.Hannachi, J.N.Scheurer, P.Bednarczyk, Th.Byrski, D.Curien, O.Dorvaux, G.Duchene, B.Gall, F.Khalfallah, I.Piqueras, J.Robin, A.Gorgen, K.Juhasz, S.B.Patel, A.O.Evans, G.Rainovski, G.Benzoni, A.Bracco, F.Camera, S.Leoni, P.Mason, B.Million, A.Paleni, R.Sacchi, O.Wieland, C.M.Petrache, D.Petrache, G.La Rana, R.Moro, G.De Angelis, J.C.Lisle, B.Cederwall, K.Lagergren, R.M.Lieder, E.Podsvirova, W.Gast, H.Jager, N.Redon

Competition between collective and noncollective excitation modes at high spin in 124Ba

NUCLEAR REACTIONS 64Ni(64Ni, 4n), E=255, 261, 265 MeV; measured Eγ, Iγ, γγ-coin. 124Ba deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Euroball and Gammasphere arrays.

doi: 10.1103/PhysRevC.74.014305
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006HA04      Phys.Rev.Lett. 96, 042505 (2006)

A.B.Hayes, D.Cline, C.Y.Wu, J.Ai, H.Amro, C.Beausang, R.F.Casten, J.Gerl, A.A.Hecht, A.Heinz, R.Hughes, R.V.F.Janssens, C.J.Lister, A.O.Macchiavelli, D.A.Meyer, E.F.Moore, P.Napiorkowski, R.C.Pardo, Ch.Schlegel, D.Seweryniak, M.W.Simon, J.Srebrny, R.Teng, K.Vetter, H.J.Wollersheim

Breakdown of K Selection in 178Hf

NUCLEAR REACTIONS Ta(178Hf, 178Hf'), E≈ 700-850 MeV; measured delayed Eγ, Iγ following projectile Coulomb excitation; deduced isomer excitation function. 178Hf deduced transition matrix elements, K-mixing features.

RADIOACTIVITY 178mHf(IT) [from Coulomb excitation]; measured Eγ, Iγ. 178Hf deduced transition matrix elements, K-mixing features.

doi: 10.1103/PhysRevLett.96.042505
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2006KO03      Nucl.Instrum.Methods Phys.Res. A557, 594 (2006)

J.J.Kolata, H.Amro, M.Cloughesy, P.A.DeYoung, J.Rieth, J.P.Bychowski, G.Peaslee

A large segmented neutron detector for reaction studies with radioactive beams near the Coulomb barrier

RADIOACTIVITY 252Cf(SF); measured neutron spectra, angular distributions.

doi: 10.1016/j.nima.2005.11.161
Citations: PlumX Metrics


2006MC02      Phys.Rev. C 73, 034303 (2006)

E.A.McCutchan, N.V.Zamfir, R.F.Casten, H.Ai, H.Amro, M.Babilon, D.S.Brenner, G.Gurdal, A.Heinz, R.O.Hughes, D.A.Meyer, C.Plettner, J.Qian, J.J.Ressler, N.J.Thomas, V.Werner, E.Williams, R.Winkler

Lifetime measurements of yrast states in 162Yb and 166Hf

NUCLEAR REACTIONS 116Cd(50Ti, 4n), E=200 MeV; 122Sn(48Ti, 4n), E=200 MeV; measured Doppler-shifted Eγ, Iγ, γγ-coin. 162Yb, 166Hf deduced levels T1/2, B(E2). Recoil-distance method, comparison with X(5) critical-point and IBA model predictions.

doi: 10.1103/PhysRevC.73.034303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006ME03      Phys.Rev. C 73, 024307 (2006)

D.A.Meyer, C.W.Beausang, J.J.Ressler, H.Ai, H.Amro, M.Babilon, R.F.Casten, C.R.Fitzpatrick, G.Gurdal, A.Heinz, E.A.McCutchan, C.Plettner, J.Qian, N.J.Thomas, V.Werner, E.Williams, N.V.Zamfir, J.Zhang

First investigation of excited states in the odd-proton nucleus 209Fr

NUCLEAR REACTIONS 176Yb(37Cl, 3n), (37Cl, 4n), (37Cl, 4np), E=173, 179, 185 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin; deduced excitation functions. 197Au(16O, 4n), (16O, 3n), E=90 MeV; measured Eγ, Iγ, γγ-coin. 209Fr deduced levels, J, π, configurations, isomer T1/2. 208Rn, 210Fr deduced isomers T1/2. Gas-filled spectrometer.

doi: 10.1103/PhysRevC.73.024307
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2005AM02      Phys.Rev. C 71, 011302 (2005)

H.Amro, G.B.Hagemann, W.C.Ma, R.M.Diamond, J.Domscheit, P.Fallon, B.Herskind, H.Hubel, D.R.Jensen, Y.Li, A.O.Macchiavelli, D.Roux, G.Sletten, J.Thompson, I.Wiedenhover, J.N.Wilson, J.A.Winger

Competing modes of excitations and the decay out of the triaxial strongly deformed well in 167Lu

NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin. 167Lu deduced high-spin levels, J, π, triaxial superdeformed bands, configurations. Gammasphere array.

doi: 10.1103/PhysRevC.71.011302
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2005CH53      Nucl.Phys. A758, 126c (2005)

J.A.Church, L.Ahle, L.A.Bernstein, J.Cooper, F.S.Dietrich, J.Escher, C.Forssen, H.Ai, H.Amro, M.Babilon, C.Beausang, J.Caggiano, A.Heinz, R.Hughes, E.McCutchan, D.Meyer, C.Plettner, J.Ressler, V.Zamfir

Determining neutron capture cross sections with the Surrogate Reaction Technique: Measuring decay probabilities with STARS

NUCLEAR REACTIONS 92Zr(α, α'), (α, 3HeX), (α, tX), (α, dX), (α, pX), E=51 MeV; measured particle spectra. 92Zr(α, α'), (α, xnα), E=51 MeV; measured Eγ, Iγ, αγ-coin. 90,91,92Zr deduced transitions. Surrogate reaction technique.

doi: 10.1016/j.nuclphysa.2005.05.169
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2005GU28      J.Phys.(London) G31, S1873 (2005)

G.Gurdal, H.Amro, C.W.Beausang, D.S.Brenner, M.P.Carpenter, R.F.Casten, C.Engelhardt, G.B.Hagemann, C.R.Hansen, D.J.Hartley, B.Herskind, H.Hubel, T.L.Khoo, T.Lauritsen, W.C.Ma, D.A.Meyer, E.F.Moore, A.Neusser, P.Bringel, D.G.Roux, G.Sletten, R.B.Yadav, Y.Zhang

Quadrupole moment measurements of TSD1 and TSD2 bands in 167Lu

NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, DSA. 167Lu deduced triaxial superdeformed band transition quadrupole moment. Gammasphere array.

doi: 10.1088/0954-3899/31/10/091
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2005LI55      Eur.Phys.J. A 25, Supplement 1, 239 (2005)

J.F.Liang, D.Shapira, C.J.Gross, R.L.Varner, H.Amro, J.R.Beene, J.D.Bierman, A.L.Caraley, A.Galindo-Uribarri, J.Gomez del Campo, P.A.Hausladen, K.L.Jones, J.J.Kolata, Y.Larochelle, W.Loveland, P.E.Mueller, D.Peterson, D.C.Radford, D.W.Stracener

Sub-barrier fusion induced by neutron-rich radioactive 132Sn

NUCLEAR REACTIONS 64Ni(132Sn, X), E=560 MeV; measured fission fragments and evaporation residues spectra, yields.

doi: 10.1140/epjad/i2005-06-117-x
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2005MC01      Phys.Rev. C 71, 024309 (2005)

E.A.McCutchan, N.V.Zamfir, R.F.Casten, M.A.Caprio, H.Ai, H.Amro, C.W.Beausang, A.A.Hecht, D.A.Meyer, J.J.Ressler

γ-ray spectroscopy of 166Hf: X(5) in N > 90?

RADIOACTIVITY 166Hf(β+), (EC) [from 159Tb(16O, 9n)]; measured Eγ, Iγ, γγ-coin. 166Hf deduced levels, J, π, X(5) symmetry features.

NUCLEAR STRUCTURE 150Nd, 152Sm, 154Gd, 156Dy, 162Yb, 166Hf, 170W, 176Os; analyzed levels, J, π, B(E2), X(5) symmetry features.

doi: 10.1103/PhysRevC.71.024309
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2005PL03      Phys.Rev. C 71, 051602 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Estimation of (n, f) cross sections by measuring reaction probability ratios

NUCLEAR REACTIONS 236,238U(d, pF), (d, d'F), E=24, 32 MeV; measured fission probability ratios. Comparison with results from neutron-induced reactions.

doi: 10.1103/PhysRevC.71.051602
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2005PL05      J.Phys.(London) G31, S1573 (2005)

C.Plettner, H.Ai, C.W.Beausang, L.A.Bernstein, L.Ahle, H.Amro, M.Babilon, J.T.Burke, J.A.Caggiano, R.F.Casten, J.A.Church, J.R.Cooper, B.Crider, G.Gurdal, A.Heinz, E.A.McCutchan, K.Moody, J.A.Punyon, J.Qian, J.J.Ressler, A.Schiller, E.Williams, W.Younes

Measuring reaction probability ratios to simulate neutron-induced cross-sections of short-lived nuclei

NUCLEAR REACTIONS 236,238U(d, d'F), (d, pF), E=24, 32 MeV; measured fragment yields; deduced fission probability ratios vs excitation energy. Surrogate method for neutron-induced fission cross-section determination.

doi: 10.1088/0954-3899/31/10/035
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2005RE02      Phys.Rev. C 71, 014302 (2005)

J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.Babilon, J.A.Caggiano, R.F.Casten, G.Gurdal, A.Heinz, R.O.Hughes, E.A.McCutchan, D.A.Meyer, C.Plettner, J.Qian, M.J.S.Sciacchitano, N.J.Thomas, E.Williams, N.V.Zamfir

Isomeric decay of 208Ra

NUCLEAR REACTIONS 182W(30Si, 4n), E=151 MeV; measured delayed Eγ, Iγ, (recoil)γ-coin. 208Ra deduced levels, J, π, isomeric state T1/2. 182,183,184,186W(30Si, X)210Ra/209Ra/208Ra/209Fr, E=151 MeV; measured delayed Eγ, Iγ, (recoil)γ-coin. 209Fr, 209,210Ra deduced transitions. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.71.014302
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2005RE23      J.Phys.(London) G31, S1605 (2005)

J.J.Ressler, C.W.Beausang, R.F.Casten, N.V.Zamfir, H.Ai, H.Amro, M.Babilon, R.B.Cakirli, J.A.Caggiano, G.Gurdal, A.Heinz, R.O.Hughes, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, J.Qian, P.H.Regan, M.J.S.Sciacchitano, N.J.Thomas, E.Williams, A.Yamamoto

Isomers and seniority in the trans-Pb nuclei

NUCLEAR REACTIONS 182,184W(30Si, 4n), E=148 MeV; measured delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 208,210Ra deduced levels, J, π, isomers T1/2, B(E2). Mass separator.

doi: 10.1088/0954-3899/31/10/041
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2005SH44      Nucl.Instrum.Methods Phys.Res. A551, 330 (2005)

D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, H.Amro, C.Harlin, J.J.Kolata, S.Novotny

A high-efficiency compact setup to study evaporation residues formed in reactions induced by low-intensity radioactive ion beams

NUCLEAR REACTIONS 64Ni(134Sn, X), E(cm) ≈ 150-163 MeV; measured evaporation residue σ.

doi: 10.1016/j.nima.2005.05.079
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2005SH54      Eur.Phys.J. A 25, Supplement 1, 241 (2005)

D.Shapira, J.F.Liang, C.J.Gross, R.L.Varner, J.R.Beene, A.Galindo-Uribarri, J.Gomez Del Campo, P.E.Mueller, D.W.Stracener, P.A.Hausladen, C.Harlin, J.J.Kolata, H.Amro, W.Loveland, K.L.Jones, J.D.Bierman, A.L.Caraley

Measurement of evaporation residue cross sections from reactions with radioactive neutron-rich beams

NUCLEAR REACTIONS 64Ni(132Sn, X), (124Sn, X), (134Te, X), E not given; measured evaporation residue σ.

doi: 10.1140/epjad/i2005-06-190-1
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2004CA42      Phys.Rev. C 70, 044312 (2004)

R.B.Cakirli, R.F.Casten, E.A.McCutchan, H.Ai, H.Amro, M.Babilon, C.W.Beausang, A.Heinz, R.O.Hughes, D.A.Meyer, C.Plettner, J.J.Ressler, N.V.Zamfir

Breakdown of vibrational structure in 98Ru

NUCLEAR REACTIONS 96Mo(α, 2n), E=24, 26, 28, 30 MeV; measured Eγ, Iγ, γγ-coin. 98Ru deduced levels, J, π, breakdown of vibrational structure.

doi: 10.1103/PhysRevC.70.044312
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2004GO38      Phys.Rev. C 70, 014309 (2004); Erratum Phys.Rev. C 70, 029902 (2004)

J.TM.Goon, D.J.Hartley, L.L.Riedinger, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.H.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, C.N.Davids, M.Danchev, T.L.Khoo, A.Heinz, T.Lauritsen, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, D.Seweryniak, M.B.Smith, I.Wiedenhover, J.Zhang

Shape coexistence and band crossings in 174Pt

NUCLEAR REACTIONS 92Mo(84Sr, 2p), E=380 MeV; 94Mo(84Sr, 2n2p), E=385 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 174Pt deduced high-spin levels, J, π, configurations, shape coexistence features. Gammasphere, fragment separator, cranked mean-field calculations.

RADIOACTIVITY 174Pt(α) [from 92,94Mo(84Sr, xnyp)]; measured Eα.

doi: 10.1103/PhysRevC.70.014309
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2004JE03      Eur.Phys.J. A 19, 173 (2004)

D.R.Jensen, G.B.Hagemann, I.Hamamoto, B.Herskind, G.Sletten, J.N.Wilson, S.W.Odegard, K.Spohr, H.Hubel, P.Bringel, A.Neusser, G.Schonwasser, A.K.Singh, W.C.Ma, H.Amro, A.Bracco, S.Leoni, G.Benzoni, A.Maj, C.M.Petrache, G.Lo Bianco, P.Bednarczyk, D.Curien

Coexisting wobbling and quasiparticle excitations in the triaxial potential well of 163Lu

NUCLEAR REACTIONS 139La(29Si, 5n), E=157 MeV; measured Eγ, Iγ, γγ-coin. 163Lu deduced high-spin levels, J, π, configurations, triaxial superdeformed bands. Euroball array.

doi: 10.1140/epja/i2003-10120-5
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2004LO06      Eur.Phys.J. A 20, 49 (2004)

A.Lopez-Martens, T.Dossing, T.L.Khoo, B.Herskind, T.Lauritsen, M.Matsuo, K.Yoshida, A.Korichi, F.Hannachi, I.Ahmad, H.Amro, G.de Angelis, D.Bazzacco, C.Beausang, E.Bouchez, P.Bringel, I.J.Calderin, M.P.Carpenter, S.M.Fischer, G.Hackman, K.Hauschild, H.Hubel, A.Hurstel, R.V.F.Janssens, F.G.Kondev, W.Korten, T.Kroll, Y.Le Coz, N.Marginean, R.Menegazzo, E.Mergel, D.Napoli, N.Nenoff, S.Neumann, A.Neusser, D.Nisius, G.Mukherjee, M.Rejmund, D.Rossbach, C.Rossi Alvarez, C.Schuck, G.Schonwasser, A.K.Singh, Ch.Theisen, Ch.Vieu, C.Ur

Gamma-ray feeding and decay of superdeformed states

NUCLEAR STRUCTURE 194Hg, 194Pb; analyzed superdeformed bands Eγ, Iγ, γγ-coin, decay-out transitions features.

doi: 10.1140/epja/i2002-10321-4
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2004MC01      Phys.Rev. C 69, 024308 (2004)

E.A.McCutchan, N.V.Zamfir, M.A.Caprio, R.F.Casten, H.Amro, C.W.Beausang, D.S.Brenner, A.A.Hecht, C.Hutter, S.D.Langdown, D.A.Meyer, P.H.Regan, J.J.Ressler, A.D.Yamamoto

Low spin states in 162Yb and the X(5) critical point symmetry

RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; measured Eγ, Iγ, γγ-coin. 162Yb deduced levels, J, π, symmetry features.

doi: 10.1103/PhysRevC.69.024308
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2004MU16      Phys.Rev. C 69, 064315 (2004)

W.F.Mueller, W.Reviol, M.P.Carpenter, R.V.F.Janssens, F.G.Kondev, K.Abu Saleem, I.Ahmad, H.Amro, C.R.Bingham, J.Caggiano, C.N.Davids, D.Hartley, A.Heinz, B.Herskind, D.Jenkins, T.L.Khoo, T.Lauritsen, W.C.Ma, J.Ressler, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover, R.Wadsworth

High-spin states in 179Au: Spectroscopy of shape-driving orbitals beyond the neutron midshell

NUCLEAR REACTIONS 104Ru(78Kr, 2np), E=340 MeV; 90Zr(90Zr, p), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Au deduced high-spin levels, J, π, configurations. Level systematics in neighboring isotopes compared. Gammasphere array, mass separator, recoil-decay tagging.

doi: 10.1103/PhysRevC.69.064315
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2004RE03      Phys.Rev. C 69, 034317 (2004)

J.J.Ressler, R.F.Casten, N.V.Zamfir, C.W.Beausang, R.B.Cakirli, H.Ai, H.Amro, M.A.Caprio, A.A.Hecht, A.Heinz, S.D.Langdown, E.A.McCutchan, D.A.Meyer, C.Plettner, P.H.Regan, M.J.S.Sciacchitano, A.D.Yamamoto

Transition from the seniority regime to collective motion

NUCLEAR STRUCTURE 92Mo, 94Ru, 96Pd, 98Cd, 118,120,122,124,126Sn, 148Dy, 150Er, 152Yb, 154Hf, 202,204,206,208,210,212Po, 204,206,208,210,212,214Rn, 206,208,210,212,214,216Ra; analyzed B(E2); deduced signature for transition to collective motion.

doi: 10.1103/PhysRevC.69.034317
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2004RE04      Phys.Rev. C 69, 034331 (2004)

J.J.Ressler, C.W.Beausang, H.Ai, H.Amro, M.A.Caprio, R.F.Casten, A.A.Hecht, S.D.Langdown, E.A.McCutchan, D.A.Meyer, P.H.Regan, M.J.S.Sciacchitano, A.Yamamoto, N.V.Zamfir

Isomer decay tagging in the heavy nuclei: 210Ra and 209Ra

NUCLEAR REACTIONS 184W(30Si, 4n), (30Si, 5n), E=148 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 209,210Ra deduced levels, J, π, configurations, isomers T1/2. Gas-filled spectrometer, isomer decay tagging.

doi: 10.1103/PhysRevC.69.034331
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2004SI19      Phys.Rev. C 70, 014303 (2004)

S.Siem, P.Reiter, T.L.Khoo, T.Lauritsen, P.-H.Heenen, M.P.Carpenter, I.Ahmad, H.Amro, I.J.Calderin, T.Dossing, T.Duguet, S.M.Fischer, U.Garg, D.Gassmann, G.Hackman, F.Hannachi, K.Hauschild, R.V.F.Janssens, B.Kharraja, A.Korichi, I-Y.Lee, A.Lopez-Martens, A.O.Macchiavelli, E.F.Moore, D.Nisius, C.Schuck

Excitation energies and spins of the yrast superdeformed band in 191Hg

NUCLEAR REACTIONS 174Yb(22Ne, 5n), E=120 MeV; measured Eγ, Iγ, γγ-coin, DSA. 191Hg deduced superdeformed band energies, J, discrete and quasi-continuum linking transitions, pairing features. Gammasphere array, comparison with model predictions.

doi: 10.1103/PhysRevC.70.014303
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2004SI27      Phys.Rev. C 70, 034315 (2004)

A.K.Singh, H.Hubel, J.Domscheit, G.B.Hagemann, B.Herskind, D.R.Jensen, J.N.Wilson, R.Clark, M.Cromaz, P.Fallon, A.Gorgen, I.Y.Lee, A.O.Macchiavelli, D.Ward, H.Amro, W.C.Ma, J.Timar, I.Ragnarsson

Evidence for noncollective oblate structures at high spin in 123Cs

NUCLEAR REACTIONS 64Ni(64Ni, 4np), E=265 MeV; measured Eγ, Iγ, γγ-coin. 123Cs deduced high-spin levels, J, π, configurations, B(M1)/B(E2). Gammasphere array, cranked mean-field calculations.

doi: 10.1103/PhysRevC.70.034315
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2003AM01      Phys.Lett. B 553, 197 (2003)

H.Amro, W.C.Ma, G.B.Hagemann, R.M.Diamond, J.Domscheit, P.Fallon, A.Gorgen, B.Herskind, H.Hubel, D.R.Jensen, Y.Li, A.O.Macchiavelli, D.Roux, G.Sletten, J.Thompson, D.Ward, I.Wiedenhover, J.N.Wilson, J.A.Winger

The wobbling mode in 167Lu

NUCLEAR REACTIONS 123Sb(48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin. 167Lu deduced high-spin levels, J, π, δ, triaxial superdeformed bands, wobbling mode. Gammasphere array, cranked mean-field calculations.

doi: 10.1016/S0370-2693(02)03199-4
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2003BR03      Eur.Phys.J. A 16, 155 (2003)

P.Bringel, H.Hubel, H.Amro, M.Axiotis, D.Bazzacco, S.Bhattacharya, R.Bhowmik, J.Domscheit, G.B.Hagemann, D.R.Jensen, Th.Kroll, S.Lunardi, D.R.Napoli, A.Neusser, S.C.Pancholi, C.M.Petrache, G.Schonwasser, A.K.Singh, C.Ur

First evidence for triaxial superdeformation in 161Lu and 162Lu

NUCLEAR REACTIONS 100Mo(65Cu, 3n), (65Cu, 4n), E=260 MeV; measured Eγ, Iγ, γγ-coin. 161,162Lu deduced high-spin levels, triaxial superdeformed bands. GASP array, cranked mean-field calculations.

doi: 10.1140/epja/i2002-10117-6
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2003CA03      Eur.Phys.J. A 16, 177 (2003)

M.A.Caprio, N.V.Zamfir, E.A.McCutchan, R.F.Casten, Z.Berant, H.Amro, C.J.Barton, C.W.Beausang, D.S.Brenner, J.R.Cooper, R.L.Gill, G.Gurdal, A.A.Hecht, C.Hutter, R.Krucken, D.A.Meyer, J.R.Novak, N.Pietralla, P.H.Regan, J.J.Ressler

Measurement of 2+1 level lifetimes in 162Yb and 162Er by fast electronic scintillation timing

RADIOACTIVITY 162Lu(β+), (EC) [from 147Sm(19F, 4n)]; 162Tm(β+), (EC) [from 155Gd(12C, 5n), and subsequent decay]; measured Eγ, Iγ(t), γγ-, βγ-coin. 162Yb, 162Er levels deduced T1/2. Fast electronic scintillation timing, comparison with previous results.

doi: 10.1140/epja/i2002-10086-8
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2003DA06      Phys.Rev. C 67, 014312 (2003)

M.Danchev, D.J.Hartley, F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, L.L.Riedinger, K.H.Abu Saleem, I.Ahmad, H.Amro, D.L.Balabanski, J.A.Cizewski, C.N.Davids, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, M.B.Smith, D.Seweryniak, I.Wiedenhover

In-beam γ-ray spectroscopy of 172Pt

NUCLEAR REACTIONS 92Mo(84Sr, 2n2p), E=390, 395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 172Pt deduced levels, possible J, π, configurations. Gammasphere array, recoil-decay tagging, level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.67.014312
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2003HE25      Phys.Rev. C 68, 054310 (2003)

A.A.Hecht, C.W.Beausang, H.Amro, C.J.Barton, Z.Berant, M.A.Caprio, R.F.Casten, J.R.Cooper, D.J.Hartley, R.Krucken, D.A.Meyer, H.Newman, J.R.Novak, N.Pietralla, J.J.Ressler, A.Wolf, N.V.Zamfir, J.-Y.Zhang, K.E.Zyromski

Evidence for chiral symmetry breaking in 140Eu?

NUCLEAR REACTIONS 92Mo(51V, n2p), E=205 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-coin. 140Eu deduced high-spin levels, J, π, configurations, B(M1)/B(E2), possible chiral symmetry breaking. Cranked mean field and total Routhian surface calculations. Rotational band systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.68.054310
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2003HE27      Acta Phys.Pol. B34, 2467 (2003)

B.Herskind, G.Benzoni, J.N.Wilson, T.Dossing, G.B.Hagemann, G.Sletten, C.R.Hansen, D.R.Jensen, A.Bracco, F.Camera, S.Leoni, P.Mason, O.Wieland, A.Maj, M.Brekiesz, M.Kmiecik, H.Hubel, P.Bringel, A.Neusser, A.K.Singh, R.M.Diamond, R.M.Clark, M.Cromaz, P.Fallon, A.Gorgen, I.Y.Lee, A.O.Macchiavelli, D.Ward, F.Hannachi, A.Korichi, A.Lopez-Martens, T.Byrski, D.Curien, P.Bednarczyk, J.Dudek, H.Amro, W.C.Ma, J.Lisle, S.Odegard, C.Petrache, D.Petrache, T.Steinhardt, O.Thelen

Hunting grounds for Jacobi transitions and hyperdeformations

NUCLEAR REACTIONS 64Ni(64Ni, 2n), E=261 MeV; 82Se(48Ca, 4n), E=195 MeV; measured Eγ, Iγ, γγ-coin. 126Ba, 126Xe deduced quasi-continuum rotational bands deformation, related features. Gammasphere, Euroball arrays.


2003SM01      Phys.Lett. 551B, 262 (2003)

M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, T.L.Khoo, T.Lauritsen, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover

Limits of the energy-spin space beyond the proton drip line: entry distributions of Pt and Au isobars

NUCLEAR REACTIONS 92,94,96Mo(84Sr, xnyp)173mAu/175Au/172Pt/173Pt/174Pt/175Pt/176Pt, E=380-390 MeV; measured Eγ, Iγ, (recoil)γ-coin, γ multiplicity and sum energy; deduced compound nuclei energy-spin entry distributions. Gammasphere, mass separator, recoil-decay tagging.

doi: 10.1016/S0370-2693(02)03051-4
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2002JE10      Phys.Rev.Lett. 89, 142503 (2002)

D.R.Jensen, G.B.Hagemann, I.Hamamoto, S.W.Odegard, B.Herskind, G.Sletten, J.N.Wilson, K.Spohr, H.Hubel, P.Bringel, A.Neusser, G.Schonwasser, A.K.Singh, W.C.Ma, H.Amro, A.Bracco, S.Leoni, G.Benzoni, A.Maj, C.M.Petrache, G.Lo Bianco, P.Bednarczyk, D.Curien

Evidence for Second-Phonon Nuclear Wobbling

NUCLEAR REACTIONS 139La(29Si, 5n), E=157 MeV; measured Eγ, Iγ, γγ-coin. 163Lu deduced high-spin levels, J, π, δ, superdeformed bands, B(M1), B(E2), wobbling excitation mode. Euroball IV array.

doi: 10.1103/PhysRevLett.89.142503
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2002KO09      Phys.Lett. 528B, 221 (2002)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, C.J.Lister, K.Abu Saleem, I.Ahmad, H.Amro, J.Caggiano, C.N.Davids, A.Heinz, B.Herskind, T.L.Khoo, T.Lauritsen, W.C.Ma, J.J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover

First Observation of Excited Structures in Neutron-Deficient 179Hg: Evidence for multiple shape coexistence

NUCLEAR REACTIONS 90Zr(90Zr, n), E=369, 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Hg deduced high-spin levels, J, π, configurations, deformation. Gammasphere array, mass separator, recoil-decay tagging.

RADIOACTIVITY 179Hg(α) [from 90Zr(90Zr, n)]; measured Eα, Eγ, αγ-coin, T1/2. 179Hg deduced ground-state J, π.

doi: 10.1016/S0370-2693(02)01221-2
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2002SC47      Eur.Phys.J. A 15, 435 (2002)

G.Schonwasser, H.Hubel, G.B.Hagemann, H.Amro, R.M.Clark, M.Cromaz, R.M.Diamond, P.Fallon, B.Herskind, G.Lane, W.C.Ma, A.O.Macchiavelli, S.W.Odegard, G.Sletten, D.Ward, J.N.Wilson

Comparative quadrupole moments of triaxial superdeformed states in 163, 164, 165Lu

NUCLEAR REACTIONS 124Sn(45Sc, 4n), (45Sc, 5n), (45Sc, 6n), E=217 MeV; measured Eγ, Iγ, γγ-coin, DSA. 163,164,165Lu deduced rotational bands T1/2, transition quadrupole moments. Gammasphere array.

doi: 10.1140/epja/i2002-10097-5
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2001AM02      Phys.Lett. 506B, 39 (2001)

H.Amro, P.G.Varmette, W.C.Ma, B.Herskind, G.B.Hagemann, G.Sletten, R.V.F.Janssens, M.Bergstrom, A.Bracco, M.Carpenter, J.Domscheit, S.Frattini, D.J.Hartley, H.Hubel, T.L.Khoo, F.Kondev, T.Lauritsen, C.J.Lister, B.Million, S.W.Odegard, R.B.Piercey, L.L.Riedinger, K.A.Schmidt, S.Siem, I.Wiedenhover, J.N.Wilson, J.A.Winger

First Evidence for Triaxial Superdeformation in 168Hf

NUCLEAR REACTIONS 96Zr(76Ge, 4n), E=310 MeV; measured Eγ, Iγ, γγ-coin, DSA. 168Hf deduced high-spin levels, J, π, superdeformed bands, transition quadrupole moments, moments of inertia. Comparison with cranked Shellmodel calculations. Gammasphere array.

doi: 10.1016/S0370-2693(01)00369-0
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2001DI17      Phys.Rev. C64, 034315 (2001)

K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli

Excited States in 155Yb and 155, 156, 157Lu from Recoil-Decay Tagging

NUCLEAR REACTIONS 102Pd(58Ni, n4p), (58Ni, 2n3p), (58Ni, n3p), (58Ni, 3p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 155Yb, 155,156,157Lu deduced high-spin levels, J, π, configurations, role of neutron-proton interaction. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.64.034315
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2001KO13      Nucl.Phys. A682, 487c (2001)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, J.Caggiano, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, M.B.Smith, A.A.Sonzogni, P.G.Varmette, I.Wiedenhover

First Observation of Excited Structures in Neutron Deficient, Odd-Mass Pt, Au and Hg Nuclei

NUCLEAR REACTIONS 90Zr(90Zr, n), E=369, 380 MeV; 90,91Zr(90Zr, X), 92,94,96Mo(84Sr, X), E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 179Hg, 173,175,177Au deduced levels, J, π. Gammasphere array, recoil-decay tagging.

RADIOACTIVITY 179Hg(α) [from 90Zr(90Zr, n)]; measured Eγ, Iγ, γγ-coin. 175Pt deduced levels, J, π. Gammasphere array, recoil-decay tagging.

doi: 10.1016/S0375-9474(00)00677-1
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2001KO44      Phys.Lett. 512B, 268 (2001)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, J.A.Cizewski, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, M.B.Smith, I.Wiedenhover

Identification of Excited Structures in Proton Unbound Nuclei 173, 175, 177Au: Shape co-existence and intruder bands

NUCLEAR REACTIONS 92,94,96Mo(84Sr, 2np), E ≈ 380-395 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 173,175,177Au deduced high-spin levels, J, π, configurations. Gammasphere array, mass separator, recoil decay tagging.

doi: 10.1016/S0370-2693(01)00714-6
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2001SM01      Phys.Rev. C63, 024319 (2001)

J.F.Smith, V.Medina-Chico, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

Identification of Excited States in 117Cs: Systematics of the ν(h11/2)2 Alignment

NUCLEAR REACTIONS 58Ni(64Zn, pα), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, pα), E=230, 240 MeV; measured Eγ, Iγ, (X-ray)γ-, (recoil)γ-coin. 117Cs deduced high-spin levels, J, π, configurations. Gammasphere, fragment analyzer. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.63.024319
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2001SM04      Nucl.Phys. A682, 433c (2001)

M.B.Smith, J.A.Cizewski, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, K.Abu Saleem, I.Ahmad, H.Amro, M.Danchev, C.N.Davids, D.J.Hartley, A.Heinz, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, G.L.Poli, J.J.Ressler, W.Reviol, L.L.Riedinger, D.Seweryniak, I.Wiedenhover

Systematic Study of Energy-Spin Entry Distributions at the Proton Dripline in the A ∼ 170 Region

NUCLEAR REACTIONS 92,94,96Mo(84Sr, xnyp)173Pt/174Pt/175Pt/176Pt/177Pt/173Au/173mAu/174Au/175Au/177Au/177mAu/177Hg, E not given; measured Eγ, Iγ, (recoil)γ-, γγ-coin, multiplicity and sum-energy distributions; deduced energy-spin entry distributions. Gammasphere, fragment mass analyzer, recoil-decay tagging.

doi: 10.1016/S0375-9474(00)00670-9
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2001WI07      Nucl.Phys. A682, 22c (2001)

I.Wiedenhover, A.H.Wuosmaa, C.J.Lister, M.P.Carpenter, R.V.F.Janssens, H.Amro, J.Caggiano, A.Heinz, F.G.Kondev, T.Lauritsen, S.Siem, A.Sonzogni, P.Bhattacharyya, M.Devlin, D.G.Sarantites, L.G.Sobotka

Measurement and Analysis of Quadruple (αγγ) Angular Correlations for High Spin States of 24Mg

NUCLEAR REACTIONS 12C(16O, α), E not given; measured αγ-, γγ-coin, triple and quadruple angular correlations following residual nucleus decay. 24Mg levels deduced J for high-spin α-decaying states. Fourier transform analysis.

doi: 10.1016/S0375-9474(00)00617-5
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2001WI18      Phys.Rev.Lett. 87, 142502 (2001)

I.Wiedenhover, A.H.Wuosmaa, R.V.F.Janssens, C.J.Lister, M.P.Carpenter, H.Amro, P.Bhattacharyya, B.A.Brown, J.Caggiano, M.Devlin, A.Heinz, F.G.Kondev, T.Lauritsen, D.G.Sarantites, S.Siem, L.G.Sobotka, A.Sonzogni

Identification of the Iπ = 10+ Yrast Rotational State in 24Mg

NUCLEAR REACTIONS 12C(16O, α), E(cm)=26.6 MeV; measured Eγ, Iγ, Eα, Iα, γγ-, αγ-coin. 24Mg deduced levels, J, π, rotational band, γα branching ratio. Gammasphere array.

doi: 10.1103/PhysRevLett.87.142502
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2000DI18      Phys.Rev. C62, 034316 (2000)

K.Y.Ding, J.A.Cizewski, D.Seweryniak, H.Amro, M.P.Carpenter, C.N.Davids, N.Fotiades, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Nisius, P.Reiter, J.Uusitalo, I.Wiedenhover, A.O.Macchiavelli

High-Spin Excitations in 158, 159, 160Hf from Recoil-Decay Tagging

NUCLEAR REACTIONS Pd(58Ni, xnypzα)158Hf/159Hf/160Hf, E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, Eα, αγ-coin following recoil decay. 158,159,160Hf deduced high-spin levels, J, π, configurations, aligned angular momenta. Gammasphere array, fragment mass analyzer, recoil-decay tagging. Systematics of neighboring isotopes discussed.

doi: 10.1103/PhysRevC.62.034316
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2000KH02      Phys.Rev. C61, 024301 (2000)

B.Kharraja, U.Garg, S.S.Ghugre, H.Jin, R.V.F.Janssens, I.Ahmad, H.Amro, M.P.Carpenter, S.Fischer, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, R.Kaczarowski, E.Ruchowska, W.C.Ma, I.M.Govil

Recoil-Distance Lifetime Measurements in 96, 97, 98Ru: Search for possible onset of collectivity at N ≥ 52

NUCLEAR REACTIONS 65Cu(36S, 2np), (36S, 3np), (36S, 4np), E=142 MeV; measured Doppler shifted Eγ, Iγ, γγ-coin. 96,97,98Ru deduced high-spin levels J, π, T1/2, B(E2), collectivity features. Recoil distance technique. Comparison with shell model.

doi: 10.1103/PhysRevC.61.024301
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2000KO48      Phys.Rev. C62, 044305 (2000)

F.G.Kondev, R.V.F.Janssens, M.P.Carpenter, K.Abu Saleem, I.Ahmad, M.Alcorta, H.Amro, P.Bhattacharyya, L.T.Brown, J.Caggiano, C.N.Davids, S.M.Fischer, A.Heinz, B.Herskind, R.A.Kaye, T.L.Khoo, T.Lauritsen, C.J.Lister, W.C.Ma, R.Nouicer, J.Ressler, W.Reviol, L.L.Riedinger, D.G.Sarantites, D.Seweryniak, S.Siem, A.Sonzogni, J.Uusitalo, P.G.Varmette, I.Wiedenhover

Interplay between Octupole and Quasiparticle Excitations in 178Hg and 180Hg

NUCLEAR REACTIONS 103Rh(78Kr, 2np), E=350 MeV; 90,91,92,94,96Zr(90Zr, X)180Hg, E ≈ 380 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178,180Hg deduced high-spin levels, J, π, configurations. Gammasphere array, recoil mass separator, recoil-decay tagging technique. Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.62.044305
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2000LA31      Phys.Rev. C62, 044316 (2000)

T.Lauritsen, T.L.Khoo, I.Ahmad, M.P.Carpenter, R.V.F.Janssens, A.Korichi, A.Lopez-Martens, H.Amro, S.Berger, L.Calderin, T.Dossing, S.M.Fischer, G.Hackman, F.Hannachi, C.J.Lister, E.F.Moore, D.T.Nisius, C.Schuck, S.Siem

Experimental Determination of the Excitation Energy of Superdeformed Bands in 192, 194Hg by Analysis of the Decay Quasicontinuum γ Rays

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=199 MeV; 160Gd(36S, 4n), E=157 MeV; measured Eγ, Iγ, γγ-coin. 192,194Hg deduced quasicontinuum decay features, superdeformed bands excitation energy, spin. Gammasphere array.

doi: 10.1103/PhysRevC.62.044316
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2000SM05      Phys.Rev. C61, 044329 (2000)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli, A.V.Afanasjev, I.Ragnarsson

Identification of Excited States in 119Ba

NUCLEAR REACTIONS 58Ni(64Zn, n2p), E=265 MeV; measured Eγ, Iγ, γγ-coin. 64Zn(58Ni, n2p), E=230, 240 MeV; measured Eγ, Iγ, γγ-, (X-ray)γ-, (recoil)γ-coin. 119Ba deduced high-spin levels, J, π, configurations, band termination. Cranked mean-field calculations.

doi: 10.1103/PhysRevC.61.044329
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1999AN22      J.Phys.(London) G25, 835 (1999)

A.N.Andreyev, N.Bijnens, M.Huyse, P.Van Duppen, M.Leino, T.Enqvist, P.Kuusiniemi, W.Trzaska, J.Uusitalo, N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, L.F.Conticchio

α-Decay Characteristics of Neutron-Deficient 190, 192Po Nuclei and Alpha Branching Ratios of 186, 188Pb Isotopes

RADIOACTIVITY 190,192Po(α) [from 164Er(32S, xn) and 144Sm(48Ti, xn)]; measured Eα, Iα, T1/2. 186,188Pb deduced α-branching ratios. Systematics of reduced α-widths in mass region discussed.


1999LO02      Nucl.Phys. A647, 217 (1999)

A.P.Lopez-Martens, T.Dossing, T.L.Khoo, A.Korichi, F.Hannachi, I.J.Calderin, T.Lauritsen, I.Ahmad, M.P.Carpenter, S.M.Fischer, G.Hackman, R.V.F.Janssens, D.Nisius, P.Reiter, H.Amro, E.F.Moore

Strength Distribution of γ-Transitions Deexciting Superdeformed Rotational Bands

NUCLEAR STRUCTURE 194Hg; analyzed γγ-coin data for decay out of superdeformed bands; deduced transitions, strength distribution, related features. Maximum likelihood method.

doi: 10.1016/S0375-9474(99)00012-3
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1999LO21      Nucl.Phys. (Supplement) A654, 697c (1999)

A.P.Lopez-Martens, T.Dossing, T.L.Khoo, A.Korichi, F.Hannachi, I.J.Calderin, T.Lauritsen, I.Ahmad, M.P.Carpenter, S.M.Fischer, G.Hackman, R.V.F.Janssens, D.Nisius, P.Reiter, H.Amro, E.F.Moore

Study of the Strength Distribution of Primary γ-Transitions in the Decay from Superdeformed States in 194Hg

NUCLEAR STRUCTURE 194Hg; analyzed γγ-coin data for decay out of superdeformed bands; deduced transitions, strengths distributions, related features. Maximum Likelihood method.

doi: 10.1016/S0375-9474(00)88529-2
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1999WI11      Phys.Rev.Lett. 83, 2143 (1999)

I.Wiedenhover, R.V.F.Janssens, G.Hackman, I.Ahmad, J.P.Greene, H.Amro, P.K.Bhattacharyya, M.P.Carpenter, P.Chowdhury, J.Cizewski, D.Cline, T.L.Khoo, T.Lauritsen, C.J.Lister, A.O.Macchiavelli, D.T.Nisius, P.Reiter, E.H.Seabury, D.Seweryniak, S.Siem, A.Sonzogni, J.Uusitalo, C.Y.Wu

Octupole Correlations in the Pu Isotopes: From vibration to static deformation ?

NUCLEAR REACTIONS 240,242,244Pu(208Pb, 208Pb'), E=1300 MeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 242,244Pu(208Pb, 209Pb), E=1300 MeV; 239Pu(207Pb, 208Pb), E=1300 MeV; measured Eγ, Iγ, γγ-coin. 238,240,241,242,243,244Pu deduced yrast, octupole rotational bands alignments, configurations, B(E1)/B(E2), role of octupole correlations, possible static octupole deformation. Gammasphere array.

doi: 10.1103/PhysRevLett.83.2143
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1998HA08      Phys.Rev. C57, R1056 (1998)

G.Hackman, R.V.F.Janssens, T.L.Khoo, I.Ahmad, J.P.Greene, H.Amro, D.Ackermann, M.P.Carpenter, S.M.Fischer, T.Lauritsen, L.R.Morss, P.Reiter, D.Seweryniak, D.Cline, C.Y.Wu, E.F.Moore, T.Nakatsukasa

High-Spin Properties of Octupole Bands in 240Pu and 248Cm

NUCLEAR REACTIONS 248Cm, 240Pu(208Pb, 208Pb'), E=1300 MeV; measured Eγ, Iγ, γγ-coin following Coulomb excitation. 248Cm, 240Pu deduced high-spin levels, J, π, band structure, branching ratios, octupole excitations. RPA calculations.

doi: 10.1103/PhysRevC.57.R1056
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1998HA26      Phys.Rev.Lett. 80, 4611 (1998)

G.Hackman, T.L.Khoo, M.P.Carpenter, T.Lauritsen, A.Lopez-Martens, I.J.Calderin, R.V.F.Janssens, D.Ackermann, I.Ahmad, S.Agarwala, D.J.Blumenthal, S.M.Fischer, D.Nisius, P.Reiter, J.Young, H.Amro, E.F.Moore, F.Hannachi, A.Korichi, I.Y.Lee, A.O.Macchiavelli, T.Dossing, T.Nakatsukasa

Hackman et al. Reply: ' Comment on ' Spins, Parity, Excitation Energies, and Octupole Structure of an Excited Superdeformed Band in 194Hg and Implications for Identical Bands ' '

doi: 10.1103/PhysRevLett.80.4611
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1998SE20      Phys.Rev. C58, 2710 (1998)

D.Seweryniak, D.Ackermann, H.Amro, L.T.Brown, M.P.Carpenter, L.Conticchio, C.N.Davids, S.M.Fischer, G.Hackman, S.Hamada, D.J.Henderson, R.V.F.Janssens, D.Nisius, P.Reiter, W.B.Walters, P.J.Woods

In-Beam γ-Ray Spectroscopy of Pt Isotopes Located at the Proton Drip Line

NUCLEAR REACTIONS 96Mo(78Kr, 2n), (78Kr, 3n), E=345 MeV; 96Ru(78Kr, 2n2p), E=385 MeV; measured Eγ, Iγ, (recoil)γ-coin. 170,171,172Pt deduced levels, J, π. Comparison with neighboring isotopes, isotones. Recoil-decay tagging technique.

doi: 10.1103/PhysRevC.58.2710
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1998SM01      Phys.Rev. C57, R1037 (1998)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

First Observation of Excited States in 118Ba: Possible evidence for octupole correlations in neutron-deficient barium isotopes

NUCLEAR REACTIONS 58Ni(64Zn, 2n2p), E=265 MeV; measured Eγ, Iγ, (recoil)γ-, (X-ray)γ-coin. 118Ba deduced high-spin levels, J, π, evidence for octupole correlations. Comparison with neighboring isotopes, TRS calculations.

doi: 10.1103/PhysRevC.57.R1037
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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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1997AM06      Phys.Lett. 413B, 15 (1997)

H.Amro, E.F.Moore, R.V.F.Janssens, G.Hackman, S.M.Fischer, M.P.Carpenter, I.Ahmad, B.Crowell, T.L.Khoo, T.Lauritsen, D.Nisius, J.Timar, A.N.Wilson

Lifetime Measurements and Dipole Transition Rates for Superdeformed States in 190Hg

NUCLEAR REACTIONS 160Gd(34S, 4n), E=159 MeV; measured Eγ, Iγ, γγ-coin, DSA. 190Hg deduced superdeformed levels T1/2, B(λ), quadrupole moment, evidence for octupole vibration.

doi: 10.1016/S0370-2693(97)01113-1
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1997CA16      Phys.Rev.Lett. 78, 3650 (1997)

M.P.Carpenter, R.V.F.Janssens, H.Amro, D.J.Blumenthal, L.T.Brown, D.Seweryniak, P.J.Woods, D.Ackermann, I.Ahmad, C.Davids, S.M.Fischer, G.Hackman, J.H.Hamilton, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Nisius, A.V.Ramayya, W.Reviol, J.Schwartz, J.Simpson, J.Wauters

Excited States in 176,178Hg and Shape Coexistence in Very Neutron-Deficient Hg Isotopes

NUCLEAR REACTIONS 103Rh(78Kr, xnp), E=340, 380 MeV; measured Eγ, Iγ, γ(evaporation residue)-coin. 176,177,178,179Hg deduced levels, band structure, shape related features.

doi: 10.1103/PhysRevLett.78.3650
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1997FO02      Phys.Rev. C55, 1724 (1997)

N.Fotiades, W.Younes, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, M.Huyse, A.Andreev, L.F.Conticchio

Spectroscopy of 192Po

NUCLEAR REACTIONS 164Er(32S, 4n), E=164 MeV; measured Eγ, Iγ, (recoil)γγ-, (recoil)γ-coin, Eα, Iα. 192Po deduced levels. Particle-core model. Recoil decay tagging technique.

NUCLEAR STRUCTURE 192,194,196,198,200,202,204,206,208Po; analyzed level systematics; deduced model parameters. Particle-core model, quasiparticle RPA.

doi: 10.1103/PhysRevC.55.1724
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1997FO06      Phys.Rev. C56, 723 (1997)

N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, M.Huyse, A.Andreev, L.F.Conticchio

Spectroscopy of 193,195,197Po

NUCLEAR REACTIONS Er(32S, X), E=164 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-, αγ-coin. 193,195,197Po deduced high-spin levels, possible J, π, decay to 13/2+ isomers, configurations. Recoil decay tagged technique, RMA.

RADIOACTIVITY 193m,195m,197mPo(α); measured Eα, T1/2.

doi: 10.1103/PhysRevC.56.723
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1997FO08      Z.Phys. A359, 7 (1997)

N.Fotiades, J.A.Cizewski, D.P.McNabb, K.Y.Ding, C.N.Davids, R.V.F.Janssens, D.Seweryniak, M.P.Carpenter, H.Amro, P.Decrock, P.Reiter, D.Nisius, L.T.Brown, S.Fischer, T.Lauritsen, J.Wauters, C.R.Bingham, M.Huyse, A.Andreyev

Yrast Excitations in 191Pb

NUCLEAR REACTIONS 164Er(32S, nα), 166Er(32S, 3nα), E=164 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 191Pb deduced levels, possible J, π. Data from other Pb isotopes compared. Fragment mass analyzer.

doi: 10.1007/s002180050358
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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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1997HA49      Phys.Rev.Lett. 79, 4100 (1997)

G.Hackman, T.L.Khoo, M.P.Carpenter, T.Lauritsen, A.Lopez-Martens, I.J.Calderin, R.V.F.Janssens, D.Ackermann, I.Ahmad, S.Agarwala, D.J.Blumenthal, S.M.Fischer, D.Nisius, P.Reiter, J.Young, H.Amro, E.F.Moore, F.Hannachi, A.Korichi, I.Y.Lee, A.O.Macchiavelli, T.Dossing, T.Nakatsukasa

Spins, Parity, Excitation Energies, and Octupole Structure of an Excited Superdeformed Band in 194Hg and Implications for Identical Bands

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=202 MeV; measured Eγ, Iγ, γγ-coin. 194Hg deduced high-spin, superdeformed levels J, π, B(λ), linking transitions, identical band mechanism, possible octupole vibration.

doi: 10.1103/PhysRevLett.79.4100
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1997LA36      Acta Phys.Hung.N.S. 6, 229 (1997)

T.Lauritsen, G.Hackman, T.L.Khoo, M.P.Carpenter, R.V.F.Janssens, A.Lopez-Martens, D.Ackermann, I.Ahmad, H.Amro, D.J.Blumenthal, S.M.Fischer, D.T.Nisius, F.Hannachi, A.Korichi, E.F.Moore

The Decay-Out of Superdeformed Bands in the A = 190 Region: What have we learned ( Questions )

NUCLEAR STRUCTURE 194Hg; analyzed superdeformed associated discrete, quasicontinuum γ-spectra; deduced superdeformed levels excitation, J.


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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1997SE03      Phys.Rev. C55, R2137 (1997)

D.Seweryniak, C.N.Davids, W.B.Walters, P.J.Woods, I.Ahmad, H.Amro, D.J.Blumenthal, L.T.Brown, M.P.Carpenter, T.Davinson, S.M.Fischer, D.J.Henderson, R.V.F.Janssens, T.L.Khoo, I.Hibbert, R.J.Irvine, C.J.Lister, J.A.Mackenzie, D.Nisius, C.Parry, R.Wadsworth

In-Beam γ-Ray Spectroscopy of the Proton Emitter 69147Tm using Recoil-Decay Tagging

NUCLEAR REACTIONS 92Mo(58Ni, 2np), E=260 MeV; measured Eγ, Iγ, γp-coin. 147Tm deduced high-spin levels, J, π. Recoil-decay tagging.

doi: 10.1103/PhysRevC.55.R2137
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1997SM04      Phys.Lett. 406B, 7 (1997)

J.F.Smith, C.J.Chiara, D.B.Fossan, G.R.Gluckman, G.J.Lane, J.M.Sears, I.Thorslund, H.Amro, C.N.Davids, R.V.F.Janssens, D.Seweryniak, I.M.Hibbert, R.Wadsworth, I.Y.Lee, A.O.Macchiavelli

First Observation of Excited States in 118Cs: Signature inversion in the πh11/2 (x) νh11/2 band

NUCLEAR REACTIONS 58Ni(64Zn, n3p), E=230-265 MeV; measured Eγ, Iγ, γγγ-coin, γ(θ), γγ-, γ(X-ray)-coin. 118Cs deduced high-spin levels, J, π, configurations. Other isotopes considered, TRS calculations.

doi: 10.1016/S0370-2693(97)00651-5
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1997VA17      Phys.Lett. 410B, 103 (1997); Erratum Phys.Lett. 421B, 412 (1998)

P.G.Varmette, D.T.Shi, W.C.Ma, A.V.Ramayya, R.V.F.Janssens, C.N.Davids, J.H.Hamilton, I.Ahmad, H.Amro, B.R.S.Babu, B.Back, K.S.Bindra, D.J.Blumenthal, L.T.Brown, M.P.Carpenter, W.L.Croft, B.Crowell, S.M.Fischer, U.Garg, R.G.Henry, T.Ishii, T.L.Khoo, J.Kormicki, T.Lauritsen, C.J.Lister, D.Nisius, H.Penttila, R.B.Piercey, J.A.Winger, S.J.Zhu, P.B.Semmes

Identification of 181Hg and Shape Coexistence in Odd-A Hg Isotopes

NUCLEAR REACTIONS 144Sm(40Ar, 3n), E=175, 180 MeV; measured Eγ, Iγ, γγ-coin, (recoil)γ-coin, DCO ratios. 181Hg deduced levels, J, π, band structure, configurations, possible isomeric state. Comparisons with neighboring nuclei.

doi: 10.1016/S0370-2693(97)01035-6
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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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1995MO39      Nucl.Instrum.Methods Phys.Res. B99, 308 (1995)

E.F.Moore, W.Henning, R.V.F.Janssens, T.L.Khoo, S.J.Sanders, I.Ahmad, H.Amro, D.Blumenthal, M.P.Carpenter, B.Crowell, M.W.Drigert, D.Gassmann, R.G.Henry, T.Lauritsen, C.J.Lister, D.Nisius

Search for the Two-Phonon Octupole Vibrational State in 208Pb

NUCLEAR REACTIONS 208Pb, 209Bi, 58,64Ni, 160Gd(208Pb, 208Pb'), E=1305 MeV; measured γγ-coin, Eγ, Iγ following projectile excitation. 208Pb deduced no evidence for two-phonon octupole vibrational state.

doi: 10.1016/0168-583X(94)00687-3
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