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NSR database version of April 24, 2024.

Search: Author = S.M.Fischer

Found 70 matches.

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2018WA22      Phys.Rev. C 98, 024313 (2018)

R.Wadsworth, N.S.Kelsall, D.G.Jenkins, I.Ragnarsson, S.M.Fischer, D.P.Balamuth, P.A.Hausladen, G.C.Ball, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, C.J.Lister, D.Seweryniak, R.M.Clark, P.Fallon, A.O.Macchiavelli, C.E.Svensson, S.J.Freeman, D.G.Sarantites

Terminating states in the positive-parity structures of 67As

NUCLEAR REACTIONS 40Ca(36Ar, p2α), E=145 MeV; measured Eγ, Iγ, γγ- and (particle)γ-coin, γγ(θ)(DCO) using Gammasphere array for γ detection, and MICROBALL CsI array for charged particles at ATLAS-ANL facility. 67As; deduced levels, J, π, multipolarities, bands, and noncollective terminating states; calculated tilted Fermi-surface plots for protons and neutrons. Comparison with configuration dependent cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.98.024313
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2007CA25      Phys.Rev. C 75, 064314 (2007)

D.B.Campbell, R.W.Laird, M.A.Riley, J.Simpson, F.G.Kondev, D.J.Hartley, R.V.F.Janssens, T.B.Brown, M.P.Carpenter, P.Fallon, S.M.Fischer, T.Lauritsen, D.Nisius, I.Ragnarsson

Rotational structures and their evolution with spin in 152Gd

NUCLEAR REACTIONS 124Sn(36S, 4nα)152Gd, e=175 MeV; measured Eγ, Iγ, γγ-coinc using the Gammasphere. 152Gd deduced levels, J, π. Compared results to model calculations.

doi: 10.1103/PhysRevC.75.064314
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2007FI07      Phys.Rev. C 75, 064310 (2007)

S.M.Fischer, C.J.Lister, M.P.Carpenter, N.J.Hammond, R.V.F.Janssens, E.F.Moore, G.Mukherjee, D.Seweryniak, S.Sinha, S.J.Freeman, J.Carney, D.P.Balamuth, Y.Sun

Mapping the periphery of deformation in the A ∼ 80 region: A study of 83Nb

NUCLEAR REACTIONS 28Si(58Ni, 2np)83Nb, E=204, 215 MeV; measured Eγ, Iγ, γγ-coinc. 83Nb deduced levels, J, π, transition multipolarities, mixing ratios and transition quadrupole moments.

doi: 10.1103/PhysRevC.75.064310
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2006FI08      Phys.Rev. C 74, 054304 (2006)

S.M.Fischer, C.J.Lister, N.J.Hammond, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, E.F.Moore, D.Seweryniak, S.Sinha, D.P.Balamuth, P.A.Hausladen, D.G.Sarantites, W.Reviol, P.Chowdhury, S.D.Paul, C.Baktash, C.-H.Yu

T = 1 states in 74Rb and their 74Kr analogs

NUCLEAR REACTIONS 40Ca(40Ca, npα), E=123, 160 MeV; 40Ca(36Ar, np), E=108 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 74Rb deduced high-spin levels, J, π, configurations, analog states features. Gammasphere, Microball arrays, mass separator.

doi: 10.1103/PhysRevC.74.054304
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2006TA13      Phys.Rev. C 73, 044306 (2006)

S.K.Tandel, P.Chowdhury, E.H.Seabury, I.Ahmad, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, Y.R.Shimizu

High-K isomers and rotational structures in 174W

NUCLEAR REACTIONS 128Te(50Ti, 4n), E=215, 225 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin. 174W deduced high-spin levels, J, π, configurations, high-K isomeric states T1/2. Gammasphere array, comparison with cranked mean-field model predictions.

doi: 10.1103/PhysRevC.73.044306
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2005FI10      Phys.Rev. C 72, 024321 (2005)

S.M.Fischer, T.Anderson, P.Kerns, G.Mesoloras, D.Svelnys, C.J.Lister, D.P.Balamuth, P.A.Hausladen, D.G.Sarantites

Shape coexistence in 71Br and the question of the ground-state spin of 71Kr

NUCLEAR REACTIONS 40Ca(40Ca, p2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 71Br deduced levels, J, π, δ, rotational bands, shape coexistence features. 71Kr; analyzed data; deduced ground-state J, π. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.72.024321
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2005FR29      J.Phys.(London) G31, S1465 (2005)

S.J.Freeman, R.V.F.Janssens, A.N.Deacon, F.Xu, I.J.Calderin, M.P.Carpenter, P.Chowdhury, S.M.Fischer, N.J.Hammond, M.Honma, T.Lauritsen, C.J.Lister, T.L.Khoo, G.Mukherjee, D.Seweryniak, J.F.Smith, S.L.Tabor, B.J.Varley, S.Zhu

Structure of the neutron-rich Cr isotopes

NUCLEAR REACTIONS 13,14C(48Ca, 2p), E=130 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 59,60Cr deduced levels, J, π. Gammasphere array, comparison with model predictions.

doi: 10.1088/0954-3899/31/10/015
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2005PI21      Phys.Rev. C 72, 064307 (2005)

A.Pipidis, M.A.Riley, J.Simpson, R.V.F.Janssens, F.G.Kondev, D.E.Appelbe, A.P.Bagshaw, M.A.Bentley, T.B.Brown, M.P.Carpenter, D.M.Cullen, D.B.Campbell, P.J.Dagnall, P.Fallon, S.M.Fischer, G.B.Hagemann, D.J.Hartley, K.Lagergren, R.W.Laird, T.Lauritsen, J.C.Lisle, D.Nisius, S.L.Shepherd, A.G.Smith, S.Tormanen, I.Ragnarsson

Structural behavior of 157, 158, 159Dy in the I=30-50 (h-bar) spin regime

NUCLEAR REACTIONS 124Sn(36S, 3n), E=165 MeV; 130Te(36S, 3nα), (36S, 4nα), (34S, 3nα), E=170 MeV; measured Eγ, Iγ, γγ-coin. 157,158,159Dy deduced high-spin levels, J, π, configurations. Gammasphere, Euroball arrays.

doi: 10.1103/PhysRevC.72.064307
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2004FR17      Phys.Rev. C 69, 064301 (2004); Erratum Phys.Rev. C 70, 029901 (2004)

S.J.Freeman, R.V.F.Janssens, B.A.Brown, M.P.Carpenter, S.M.Fischer, N.J.Hammond, M.Honma, T.Lauritsen, C.J.Lister, T.L.Khoo, G.Mukherjee, D.Seweryniak, J.F.Smith, B.J.Varley, M.Whitehead, S.Zhu

Low-lying levels in 59Cr: Inadequacy the fp model space and onset of deformation

NUCLEAR REACTIONS 13C(48Ca, 2p), E=130 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 59Cr deduced levels, J, π, configurations, deformation. Gammasphere, mass separator. Comparison with model predictions.

doi: 10.1103/PhysRevC.69.064301
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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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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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2004WO16      Nucl.Phys. A742, 349 (2004)

A.Wohr, A.Aprahamian, P.Boutachkov, J.L.Galache, J.Gorres, M.Shawcross, A.Teymurazyan, M.C.Wiescher, D.S.Brenner, C.N.Davids, S.M.Fischer, A.M.Heinz, R.V.F.Janssens, D.Seweryniak

The N = Z rp-process waiting-point nucleus 68Se and its astrophysical implications

RADIOACTIVITY 68Se(EC), (β+) [from 12C(58Ni, 2n)]; measured Eγ, Eβ, βγ-coin; deduced Q(EC). 68Se deduced mass excess. 68As deduced transitions. Fragment mass analyzer.

NUCLEAR REACTIONS 68Se, 69Br(p, γ), E not given; analyzed mass data; deduced reaction Q-values. Astrophysical implications discussed.

doi: 10.1016/j.nuclphysa.2004.06.024
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2003FI07      Phys.Rev. C 67, 064318 (2003)

S.M.Fischer, C.J.Lister, D.P.Balamuth

Unravelling the band crossings in 68Se and 72Kr: The quest for T=0 pairing

NUCLEAR REACTIONS 12C(58Ni, 2n), E=220 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 40Ca(36Ar, 2α), E=145 MeV; 40Ca(40Ca, 2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 68Se, 72Kr deduced high-spin levels, J, π, band crossing features. Gammasphere, Microball arrays, mass separator. Level systematics in neighboring nuclides discussed.

doi: 10.1103/PhysRevC.67.064318
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2002BR52      Phys.Rev. C 66, 064320 (2002)

T.B.Brown, M.A.Riley, D.Campbell, D.J.Hartley, F.G.Kondev, J.Pfohl, R.V.F.Janssens, S.M.Fischer, D.Nisius, P.Fallon, W.C.Ma, J.Simpson, J.F.Sharpey-Schafer

Rotational band structures in N=89 153Gd

NUCLEAR REACTIONS 152Sm(α, 3n), E=37 MeV; 124Sn(36S, 3nα), E=165 MeV; measured Eγ, Iγ, γγ-coin. 153Gd deduced high-spin levels, J, π, configurations. 157Er; analyzed data; deduced levels J, π based on systematics. Gammasphere array.

doi: 10.1103/PhysRevC.66.064320
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2002JE07      Phys.Rev. C65, 064307 (2002)

D.G.Jenkins, N.S.Kelsall, C.J.Lister, D.P.Balamuth, M.P.Carpenter, T.A.Sienko, S.M.Fischer, R.M.Clark, P.Fallon, A.Gorgen, A.O.Macchiavelli, C.E.Svensson, R.Wadsworth, W.Reviol, D.G.Sarantites, G.C.Ball, J.Rikovska Stone, O.Juillet, P.Van Isacker, A.V.Afanasjev, S.Frauendorf

T = 0 and T = 1 States in the Odd-Odd N = Z Nucleus, 3570Br35

NUCLEAR REACTIONS 40Ca(32S, np), E=80-100 MeV; 40Ca(36Ar, npα), E=145 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 70Br deduced high-spin levels, J, π, isomeric state, relative neutron-proton pairing strength features. Gammasphere, Microball arrays. Comparisons with model predictions.

doi: 10.1103/PhysRevC.65.064307
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2002KE03      Phys.Rev. C65, 044331 (2002)

N.S.Kelsall, S.M.Fischer, D.P.Balamuth, G.C.Ball, M.P.Carpenter, R.M.Clark, J.Durell, P.Fallon, S.J.Freeman, P.A.Hausladen, R.V.F.Janssens, D.G.Jenkins, M.J.Leddy, C.J.Lister, A.O.Macchiavelli, D.G.Sarantites, D.C.Schmidt, D.Seweryniak, C.E.Svensson, B.J.Varley, S.Vincent, R.Wadsworth, A.N.Wilson, A.V.Afanasjev, S.Frauendorf, I.Ragnarsson, R.Wyss

Testing Mean-Field Models Near the N = Z Line: γ-Ray spectroscopy of the Tz = 1/2 nucleus 73Kr

NUCLEAR REACTIONS 40Ca(36Ar, n2p), E=145 MeV; 40Ca(40Ca, n2pα), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin. 73Kr deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, comparisons with cranked mean-field results.

doi: 10.1103/PhysRevC.65.044331
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2002MA10      Phys.Rev. C65, 034312 (2002)

W.C.Ma, R.V.F.Janssens, T.L.Khoo, I.Ragnarsson, M.A.Riley, M.P.Carpenter, J.R.Terry, J.P.Zhang, I.Ahmad, P.Bhattacharyya, P.J.Daly, S.M.Fischer, J.H.Hamilton, T.Lauritsen, D.T.Nisius, A.V.Ramayya, R.K.Vadapalli, P.G.Varmette, J.W.Watson, C.T.Zhang, S.J.Zhu

Competition between Terminating and Collective Structures above Spin 40(h-bar) in 154Dy

NUCLEAR REACTIONS 122Sn(36S, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 154Dy deduced high-spin levels, J, π, configurations, band termination features. Gammasphere array. Comparison with mean-field calculations.

doi: 10.1103/PhysRevC.65.034312
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2002ST06      Phys.Rev. C65, 034323 (2002)

E.A.Stefanova, M.Danchev, R.Schwengner, D.L.Balabanski, M.P.Carpenter, M.Djongolov, S.M.Fischer, D.J.Hartley, R.V.F.Janssens, W.F.Mueller, D.Nisius, W.Reviol, L.L.Riedinger, O.Zeidan

Structure of High-Spin States in 91Sr and 92Sr

NUCLEAR REACTIONS 159Tb(36S, X)91Sr/92Sr, E=165 MeV; measured Eγ, Iγ, γγ-coin. 91,92Sr deduced high-spin levels, J, π, configurations. Gammasphere array, comparison with shell-model results.

doi: 10.1103/PhysRevC.65.034323
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2001FI05      Nucl.Phys. A682, 35c (2001)

S.M.Fischer, D.P.Balamuth, C.J.Lister, P.A.Hausladen, M.P.Carpenter, D.Seweryniak, D.Jenkins, D.Svelnys, J.Schwartz, S.J.Freeman, M.Leddy, B.J.Varley, J.Durrell, L.Bernstein, P.Garrett, R.Bauer, J.Becker, D.G.Sarantites, J.Ressler, N.Fotiades

Observation of Delayed Alignment in N = Z Nuclei 72Kr, 76Sr and 80Zr

NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 24Mg(54Fe, 2n), E=180 MeV; 24Mg(58Ni, 2n), E=200 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 72Kr, 76Sr, 80Zr deduced rotational band transitions, configurations. Gammasphere and Microball arrays, fragment mass analyzer.

doi: 10.1016/S0375-9474(00)00619-9
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2001FI13      Phys.Rev.Lett. 87, 132501 (2001)

S.M.Fischer, C.J.Lister, D.P.Balamuth, R.Bauer, J.A.Becker, L.A.Bernstein, M.P.Carpenter, J.Durell, N.Fotiades, S.J.Freeman, P.E.Garrett, P.A.Hausladen, R.V.F.Janssens, D.Jenkins, M.Leddy, J.Ressler, J.Schwartz, D.Svelnys, D.G.Sarantites, D.Seweryniak, B.J.Varley, R.Wyss

Alignment Delays in the N = Z Nuclei 72Kr, 76Sr, and 80Zr

NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=160 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, σ. 24Mg(54Fe, 2n), E=180 MeV; 24Mg(58Ni, 2n), E=200 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, σ. 72Kr, 76Sr, 80Zr deduced high-spin levels, J, π, delayed alignment. Gammasphere, Microball arrays, fragment mass analyzer.

doi: 10.1103/PhysRevLett.87.132501
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2001JE10      Phys.Rev. C64, 064311 (2001)

D.G.Jenkins, D.P.Balamuth, M.P.Carpenter, C.J.Lister, S.M.Fischer, R.M.Clark, A.O.Macchiavelli, P.Fallon, C.E.Svensson, N.S.Kelsall, R.Wadsworth

Stability of Oblate Shapes in the Vicinity of N = Z = 34 68Se: Bands in 69Se and 67As

NUCLEAR REACTIONS 40Ca(32S, n2p), (32S, pα), E=100 MeV; 40Ca(36Ar, p2α), (36Ar, n2pα), E=145 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (charged particle)γ-coin. 67As, 69Se deduced high-spin levels, J, π, configurations, quadrupole moments, deformation. 67As deduced isomeric state J, π, T1/2. Gammasphere, Microball arrays.

doi: 10.1103/PhysRevC.64.064311
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2000FI08      Phys.Rev.Lett. 84, 4064 (2000)

S.M.Fischer, D.P.Balamuth, P.A.Hausladen, C.J.Lister, M.P.Carpenter, D.Seweryniak, J.Schwartz

Evidence for Collective Oblate Rotation in N = Z 68Se

NUCLEAR REACTIONS 12C(58Ni, 2n), E=185, 220 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, σ. 68Se deduced levels, J, π, rotational bands, oblate deformation. Gammasphere array, fragment mass analyzer.

doi: 10.1103/PhysRevLett.84.4064
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2000KO01      Phys.Rev. C61, 011303 (2000)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, P.Bhattacharyya, L.T.Brown, C.N.Davids, S.M.Fischer, T.L.Khoo, T.Lauritsen, C.J.Lister, R.Nouicer, W.Reviol, L.L.Riedinger, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.J.Woods

Complex Band Structure in Neutron-Deficient 178Hg

NUCLEAR REACTIONS 103Rh(78Kr, 2np), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178Hg deduced high-spin levels, J, π, configurations. Gammasphere array, fragment analyzer. Recoil-decay tagging technique.

doi: 10.1103/PhysRevC.61.011303
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2000KO16      Phys.Rev. C61, 044323 (2000)

F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, I.Wiedenhover, M.Alcorta, L.T.Brown, C.N.Davids, T.L.Khoo, T.Lauritsen, C.J.Lister, D.Seweryniak, S.Siem, A.A.Sonzogni, J.Uusitalo, P.Bhattacharyya, S.M.Fischer, W.Reviol, L.L.Riedinger, R.Nouicer

High-Spin Collective Structures in 178Pt

NUCLEAR REACTIONS 103Rh(78Kr, 3p), E=350 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 178Pt deduced levels, J, π, configurations, B(E1)/B(E2). Gammasphere array, fragment mass analyzer.

RADIOACTIVITY 178Pt(α) [from 103Rh(78Kr, 3p)]; measured Eα, Iα, T1/2; deduced reduced width, hindrance factor. Comparison with neighboring isotopes.

doi: 10.1103/PhysRevC.61.044323
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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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2000LO14      Phys.Scr. T88, 28 (2000)

A.Lopez-Martens, T.Dossing, T.L.Khoo, D.Ackermann, I.Ahmad, M.P.Carpenter, S.M.Fischer, G.Hackman, F.Hannachi, R.V.F.Janssens, A.Korichi, C.J.Lister, T.Lauritsen, D.Nisius

Gamma Decay of Superdeformed States

doi: 10.1238/Physica.Topical.088a00028
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2000RE11      Nucl.Instrum.Methods Phys.Res. A449, 208 (2000)

K.E.Rehm, F.Borasi, C.J.Jiang, D.Ackermann, I.Ahmad, F.Brumwell, C.N.Davids, P.Decrock, S.M.Fischer, J.Gorres, J.P.Greene, G.Hackmann, B.Harss, D.Henderson, W.Henning, R.V.F.Janssens, G.McMichael, V.Nanal, D.Nisius, J.Nolen, R.C.Pardo, M.Paul, P.Reiter, J.P.Schiffer, D.Seweryniak, R.E.Segel, I.Wiedenhover, M.Wiescher, A.H.Wuosmaa

Experiments with a Radioactive 56Ni Beam

NUCLEAR REACTIONS 63,65Cu, 58Ni(p, X), E=50 MeV; measured delayed Eγ, Iγ; deduced evidence for 56Ni, 56,57Co, 52Mn, 65Zn. 2H(28Si, 29Si), E=125 MeV; 2H(56Co, 57Co), E=250 MeV; measured σ(Ep, θ). 57Co levels deduced spectroscopic factors.

doi: 10.1016/S0168-9002(99)01439-4
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1999HA04      Phys.Rev. C59, 1171 (1999)

D.J.Hartley, J.L.Allen, T.B.Brown, F.G.Kondev, J.Pfohl, M.A.Riley, S.M.Fischer, R.V.F.Janssens, D.T.Nisius, P.Fallon, W.C.Ma, J.Simpson

Second Proton and Neutron Alignments in the Doubly-Odd Nuclei 154, 156Tb

NUCLEAR REACTIONS 124Sn(36S, 3np), (36S, 5np), E=160, 175 MeV; measured Eγ, Iγ, γγ-coin. 154,156Tb deduced high-spin levels, J, π, configurations. Gammasphere array.

doi: 10.1103/PhysRevC.59.1171
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1999KO20      J.Phys.(London) G25, 897 (1999)

F.G.Kondev, M.A.Riley, J.Simpson, R.V.F.Janssens, A.V.Afanasjev, I.Ragnarsson, T.B.Brown, D.J.Hartley, M.P.Carpenter, P.Fallon, S.M.Fischer, T.L.Khoo, T.Lauritsen, W.C.Ma, J.F.Sharpey-Schafer, J.C.Lisle, C.A.Kalfas

Exploring the I = 50-60 (h-bar) Domain: Collective and terminating structures in 156Dy, 159Er and 160Er

NUCLEAR REACTIONS 124Sn(36S, 4n), E=165 MeV; 116Cd(48Ca, 4n), (48Ca, 5n), E=215 MeV; measured Eγ, Iγ, γγ-coin. 156Dy, 159,160Er deduced high-spin levels, J, π, configurations. Eurogam array.

doi: 10.1088/0954-3899/25/4/064
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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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1999SO08      Phys.Rev. C59, 1324 (1999)

D.Sohler, J.Cederkall, M.Lipoglavsek, Zs.Dombradi, M.Gorska, J.Persson, D.Seweryniak, I.Ahmad, A.Atac, R.A.Bark, J.Blomqvist, M.P.Carpenter, B.Cederwall, C.N.Davids, C.Fahlander, S.M.Fischer, H.Grawe, G.Hackman, R.V.F.Janssens, A.Johnson, A.Kerek, W.Klamra, J.Kownacki, C.J.Lister, S.Mitarai, D.Nisius, L.-O.Norlin, J.Nyberg, G.Poli, P.Reiter, J.J.Ressler, H.A.Roth, J.Schwartz, G.Sletten, J.Uusitalo, W.B.Walters, M.Weiszflog

Yrast States of the Proton Drip Line Nucleus 106Sb

NUCLEAR REACTIONS 54Fe(58Ni, npα), E=261 MeV; measured Eγ, Iγ, (charged particle)γ-, (neutron)γ-, γγ-coin. 106Sb deduced levels, J, π. Cluster detectors, Si-ball. Shell model analysis.

RADIOACTIVITY 106Sb(IT) [from 50Cr(58Ni, np), E=220 MeV]; measured Eγ, Iγ(t). 106Sb deduced isomeric state T1/2, ICC. Fragment mass analyzer.

doi: 10.1103/PhysRevC.59.1324
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1998AC02      Nucl.Phys. A630, 442c (1998)

D.Ackermann, B.B.Back, R.R.Betts, M.Carpenter, L.Corradi, S.M.Fischer, R.Ganz, S.Gil, G.Hackman, D.J.Hofman, R.V.F.Janssens, T.L.Khoo, G.Montagnoli, V.Nanal, F.Scarlassara, M.Schlapp, D.Seweryniak, A.M.Stefanini, A.H.Wuosmaa

Spin Distributions for 64Ni + 100Mo with the Argonne/Notre Dame BGO-Array

NUCLEAR REACTIONS 100Mo(64Ni, X), E=230, 246, 260 MeV; measured γ multiplicities; deduced spin distributions, fusion barrier features. BGO detector array.

doi: 10.1016/S0375-9474(97)00783-5
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1998AH03      Phys.Rev.Lett. 80, 2550 (1998)

I.Ahmad, G.Bonino, G.C.Castagnoli, S.M.Fischer, W.Kutschera, M.Paul

Three-Laboratory Measurement of the 44Ti Half-Life

RADIOACTIVITY 44Ti(EC) [from 45Sc(p, 2n), E=45 MeV]; measured T1/2. Astrophysical implications.

doi: 10.1103/PhysRevLett.80.2550
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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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1998HA06      Phys.Lett. 416B, 268 (1998)

G.Hackman, R.V.F.Janssens, E.F.Moore, D.Nisius, I.Ahmad, M.P.Carpenter, S.M.Fischer, T.L.Khoo, T.Lauritsen, P.Reiter

Lifetime Measurements of Superdeformed Bands in 142Sm: A test of the additivity principle for quadrupole moments

NUCLEAR REACTIONS 124Sn(24Mg, 6n), E=145 MeV; measured Eγ, Iγ, γγ-coin, DSA. 142Sm deduced superdeformed bands T1/2, quadrupole moments, configurations.

doi: 10.1016/S0370-2693(97)01244-6
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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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1998HA54      Phys.Rev. C58, 2720 (1998)

D.J.Hartley, T.B.Brown, F.G.Kondev, J.Pfohl, M.A.Riley, S.M.Fischer, R.V.F.Janssens, D.T.Nisius, P.Fallon, W.C.Ma, J.Simpson

High-Spin Structures in 155Tb and Signature Splitting Systematics of the πh11/2 Bands in Odd A ≈ 160 Nuclei

NUCLEAR REACTIONS 152Sm(7Li, 4n), E=45 MeV; 124Sn(36S, 4np), E=165 MeV; measured Eγ, Iγ, γγ-coin. 155Tb deduced high-spin levels, J, π, configurations, signature splitting features, B(M1)/B(E2). Signature splitting of other odd-A, mass ≈ 160 nuclei discussed. Gammasphere array.

doi: 10.1103/PhysRevC.58.2720
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1998KH09      Phys.Rev. C58, 1422 (1998)

B.Kharraja, U.Garg, H.Jin, R.J.Ernst, S.S.Ghugre, R.V.F.Janssens, M.P.Carpenter, S.M.Fischer, T.L.Khoo, T.Lauritsen, D.Nisius, E.F.Moore, Th.Byrski, R.Krucken, A.O.Macchiavelli, R.MacLeod, R.Kaczarowski, I.M.Govil

Quadrupole Moments and Identical Superdeformed Bands in 149Tb

NUCLEAR REACTIONS 128Te(27Al, 6n), E=150 MeV; measured Eγ, Iγ, γγ-coin, DSA. 149Tb deduced high-spin levels, J, π, T1/2, configurations, superdeformed bands.

doi: 10.1103/PhysRevC.58.1422
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1998KO49      Phys.Lett. 437B, 35 (1998)

F.G.Kondev, M.A.Riley, R.V.F.Janssens, J.Simpson, A.V.Afanasjev, I.Ragnarsson, I.Ahmad, D.J.Blumenthal, T.B.Brown, M.P.Carpenter, P.Fallon, S.M.Fischer, G.Hackman, D.J.Hartley, C.A.Kalfas, T.L.Khoo, T.Lauritsen, W.C.Ma, D.Nisius, J.F.Sharpey-Schafer, P.G.Varmette

Spin ∼ 60 (h-bar) in 156Dy: Competition between collective and terminating structures at very high-spin

NUCLEAR REACTIONS 124Sn(36S, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin. 156Dy deduced high-spin levels, J, π, B(E2), configurations, band termination. Cranked Nilsson-Strutinsky calculations.

doi: 10.1016/S0370-2693(98)00938-1
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1998LI50      Phys.Lett. 440B, 246 (1998)

M.Lipoglavsek, D.Seweryniak, C.N.Davids, C.Fahlander, M.Gorska, R.V.F.Janssens, J.Nyberg, J.Uusitalo, W.B.Walters, I.Ahmad, J.Blomqvist, M.P.Carpenter, J.A.Cizewski, S.M.Fischer, H.Grawe, G.Hackman, M.Huhta, C.J.Lister, D.Nisius, G.Poli, P.Reiter, J.Ressler, J.Schwartz, A.Sonzogni

E2 Polarization Charge in 102Sn

NUCLEAR REACTIONS 50Cr(58Ni, 2nα), E=222 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-coin. 102Sn deduced levels, possible J, π, B(E2), isomeric state T1/2, neutron effective charges. Fragment mass analyzer.

doi: 10.1016/S0370-2693(98)01178-2
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1998RE01      Phys.Rev.Lett. 80, 676 (1998)

K.E.Rehm, F.Borasi, C.L.Jiang, D.Ackermann, I.Ahmad, B.A.Brown, F.Brumwell, C.N.Davids, P.Decrock, S.M.Fischer, J.Gorres, J.Greene, G.Hackmann, B.Harss, D.Henderson, W.Henning, R.V.F.Janssens, G.McMichael, V.Nanal, D.Nisius, J.Nolen, R.C.Pardo, M.Paul, P.Reiter, J.P.Schiffer, D.Seweryniak, R.E.Segel, M.Wiescher, A.H.Wuosmaa

Study of the 56Ni(d, p)57Ni Reaction and the Astrophysical 56Ni(p, γ)57Cu Reaction Rate

NUCLEAR REACTIONS 2H(56Ni, p), E=250 MeV; measured σ(Ep, θ). 57Ni deduced levels, J, π, spectroscopic factors, astrophysical (p, γ) reaction rates.

doi: 10.1103/PhysRevLett.80.676
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1998RE04      Nucl.Phys. A630, 434c (1998)

W.Reviol, W.F.Mueller, L.L.Riedinger, B.H.Smith, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.T.Nisius, D.Seweryniak, E.F.Moore

Superdeformed Shapes and Configurations in Thallium Nuclei

NUCLEAR REACTIONS 174Yb(23Na, 6n), E=132 MeV; 159Tb(36S, 4n), E=165 MeV; measured Eγ, Iγ, γγ-coin, DSA. 191Tl deduced high-spin levels, superdeformed bands T1/2, quadrupole moment, configurations.

doi: 10.1016/S0375-9474(97)00782-3
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1998RE20      Phys.Rev. C58, R2644 (1998)

W.Reviol, D.E.Ellis, L.L.Riedinger, M.P.Carpenter, S.M.Fischer, R.V.F.Janssens, D.Nisius, P.Fallon

Superdeformed Bands in 189Tl

NUCLEAR REACTIONS 156Gd(37Cl, 4n), E=172 MeV; measured Eγ, Iγ, γγ-coin. 189Tl deduced high-spin levels, J, π, superdeformed bands, configurations. Gammasphere array. Cranked shell model analysis.

doi: 10.1103/PhysRevC.58.R2644
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1998RE24      Nucl.Instrum.Methods Phys.Res. A418, 355 (1998)

K.E.Rehm, C.L.Jiang, M.Paul, D.Blumenthal, L.A.Daniel, C.N.Davids, P.Decrock, S.M.Fischer, D.Henderson, C.Lister, J.Nickles, J.Nolen, R.C.Pardo, J.P.Schiffer, D.Seweryniak, R.E.Segel

Study of Radiative Capture Reactions with Radioactive Ion Beams

NUCLEAR REACTIONS 1H(18F, 19Ne), E=13.4 MeV; measured σ upper limit. 18F(p, γ), E(cm)=670 keV; deduced σ upper limit. Radioactive beams, inverse kinematics, fragment mass analyzer.

doi: 10.1016/S0168-9002(98)00885-7
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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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1998WU01      Phys.Rev.Lett. 80, 2085 (1998)

A.H.Wuosmaa, I.Ahmad, S.M.Fischer, J.P.Greene, G.Hackman, V.Nanal, G.Savard, J.P.Schiffer, P.Wilt, S.M.Austin, B.A.Brown, S.J.Freedman, J.J.Connell

β+ Decay Partial Half-Life of 54Mn and Cosmic Ray Chronometry

RADIOACTIVITY 54Mn(β+); measured β+ spectra, β+-decay branching ratio, partial T1/2. Astrophysical implications.

doi: 10.1103/PhysRevLett.80.2085
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1998WU02      Phys.Rev. C57, R2794 (1998)

A.H.Wuosmaa, C.M.Conner, I.Ahmad, B.B.Back, R.R.Betts, R.W.Dunford, S.M.Fischer, R.Ganz, J.P.Greene, N.I.Kaloskamis, L.Lamm, C.J.Lister, V.Nanal, D.E.Roa, J.P.Schiffer

Positron-Electron Angular Correlations in Internal Pair Conversion

RADIOACTIVITY 90Y(β-); 206,207Bi(EC); measured e+e--coin, sum energy spectra, opening angle correlations from internal pair conversion in daughter nuclei. 90Zr, 206,207Pb deduced transitions internal pair conversion coefficients.

doi: 10.1103/PhysRevC.57.R2794
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1997AC04      J.Phys.(London) G23, 1167 (1997)

D.Ackermann, B.B.Back, R.R.Betts, M.Carpenter, L.Corradi, S.M.Fischer, R.Ganz, S.Gil, G.Hackman, D.J.Hofman, R.V.F.Janssens, T.L.Khoo, G.Montagnoli, V.Nanal, F.Scarlassara, M.Schlapp, D.Seweryniak, A.M.Stefanini, A.H.Wuosmaa

Spin Distributions-Another Approach for Experimentally Probing the Fusion Barrier Distribution

NUCLEAR REACTIONS 100Mo(64Ni, X), E=230, 246, 260 MeV; measured γ multiplicity; 110Pd(32S, 4n), E not given; measured Eγ, Iγ, γ multiplicity; deduced spin distribution fission channel dependence.

doi: 10.1088/0954-3899/23/10/003
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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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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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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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1997RE02      Phys.Rev. C55, R566 (1997)

K.E.Rehm, C.L.Jiang, M.Paul, D.Blumenthal, L.A.Daniel, C.N.Davids, P.Decrock, S.M.Fischer, D.Henderson, C.Lister, J.Nickles, J.Nolen, R.C.Pardo, J.P.Schiffer, D.Seweryniak, R.E.Segel

Exploring the 18F(p, γ)19Ne Gateway to the Formation of Heavy Elements in Hot Stars

NUCLEAR REACTIONS, ICPND 18F(p, γ)19Ne, E=13.4 MeV; measured σ. 18O(p, γ)19F, E=14.4-18 MeV; measured σ; calculated σ(E); deduced 19Ne production, astrophysical reaction rate for 18F(p, γ)19Ne upper limits. 19Ne level deduced upper limit for Γγ.

doi: 10.1103/PhysRevC.55.R566
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0167.


1997RE05      Nucl.Phys. A616, 115c (1997)

K.E.Rehm, M.Paul, A.D.Roberts, C.L.Jiang, D.Blumenthal, C.N.Davids, P.DeCrock, S.M.Fischer, J.Gehring, D.Henderson, C.J.Lister, J.Nickles, J.Nolen, R.C.Pardo, J.P.Schiffer, R.E.Segel

Nuclear Reaction Studies with Radioactive 18F Beams at ATLAS

NUCLEAR REACTIONS, ICPND 1H(18F, α), E(cm) ≈ 5.75-7 MeV; measured σ(E). 1H(18F, γ), E(cm)=0.67 MeV; measured σ; deduced reaction rates ratio, small contribution from (p, γ) route to 19Ne formation.

doi: 10.1016/S0375-9474(97)00080-8
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0166.


1997RE17      Nucl.Phys. A621, 191c (1997)

K.E.Rehm, M.Paul, A.D.Roberts, C.L.Jiang, D.Blumenthal, C.N.Davids, P.DeCrock, S.M.Fischer, J.Gehring, D.Henderson, C.J.Lister, J.Nickles, J.Nolen, R.C.Pardo, J.P.Schiffer, R.E.Segel, D.Seweryniak

The Influence of 18F Induced Reactions in the Hot CNO Cycle

NUCLEAR REACTIONS, ICPND 1H(18F, 15O), (18F, 19Ne), E=11.7-15.1 MeV; measured resonance reaction σ vs E; deduced reaction rates features. 19Ne deduced resonance strengths, widths. Astrophysical implications, radioactive beam.

doi: 10.1016/S0375-9474(97)00236-4
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0167.


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


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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1996FI02      Phys.Rev. C53, 2126 (1996)

S.M.Fischer, M.P.Carpenter, R.V.F.Janssens, B.Crowell, I.Ahmad, D.J.Blumenthal, T.L.Khoo, T.Lauritsen, D.Nisius, W.Reviol, W.F.Mueller, L.L.Riedinger, B.H.Smith, B.Cederwall

Alignment Additivity in the Two-Quasiparticle Superdeformed Bands of 192Tl

NUCLEAR REACTIONS 160Gd(37Cl, 5n), E=178 MeV; measured Eγ, γγγ-coin, Iγ. 192Tl deduced levels, J, π, superdeformed bands, configurations, quasiparticle alignments.

doi: 10.1103/PhysRevC.53.2126
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1996FI08      Phys.Rev. C54, R2806 (1996)

S.M.Fischer, R.V.F.Janssens, M.A.Riley, R.R.Chasman, I.Ahmad, D.J.Blumenthal, T.B.Brown, M.P.Carpenter, G.Hackman, D.J.Hartley, T.L.Khoo, T.Lauritsen, W.C.Ma, D.Nisius, J.Simpson, P.G.Varmette

Superdeformed Band in 155Dy: Where does the ' island ' of superdeformation end ( Question )

NUCLEAR REACTIONS 124Sn(36S, 5n), E=175 MeV; measured Eγ, (γγγ)-coin, Iγ, DSA. 155Dy deduced superdeformed band, dynamic moment of inertia, quadrupole moment, configuration, deformation from T1/2 analysis.

doi: 10.1103/PhysRevC.54.R2806
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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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1996RE05      Phys.Rev. C53, 1950 (1996)

K.E.Rehm, M.Paul, A.D.Roberts, C.L.Jiang, D.J.Blumenthal, S.M.Fischer, J.Gehring, D.Henderson, J.Nickles, J.Nolen, R.C.Pardo, J.P.Schiffer, R.E.Segel

Astrophysical Reaction Rate for the 18F(p, α)15O Reaction

NUCLEAR REACTIONS, ICPND 18F(p, α), E(cm)=600-800 keV; measured σ(E), resonance yield; calculated reaction rate. 19Ne deduced resonance, J, π, Γp, Γα, Γ.

doi: 10.1103/PhysRevC.53.1950
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC0166.


1994CR01      Phys.Rev. C49, 663 (1994)

F.Cristancho, J.X.Saladin, M.P.Metlay, W.Nazarewicz, C.Baktash, M.Halbert, I.-Y.Lee, D.F.Winchell, S.M.Fischer, M.K.Kabadiyski

High-Spin Studies of 219Ac

NUCLEAR REACTIONS 209Bi(13C, 3n), E=67 MeV; measured Eγ, Iγ, DCO ratios, γγ-coin. 219Ac deduced levels, J, π, δ, γ-multipolarity, band structure.

doi: 10.1103/PhysRevC.49.663
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1994WU01      Phys.Rev. C49, 1837 (1994)

X.Wu, A.Aprahamian, S.M.Fischer, W.Reviol, G.Liu, J.X.Saladin

Multiphonon Vibrational States in Deformed Nuclei

NUCLEAR REACTIONS 152Sm(α, 2n), E=26 MeV; measured Eγ, Iγ, γγ(θ). 154Gd deduced levels, J, π, K, relative B(E2) values, configuration, band structure.

doi: 10.1103/PhysRevC.49.1837
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