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NSR database version of April 11, 2024.

Search: Author = R.H.Mayer

Found 23 matches.

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1999MA06      Phys.Rev. C59, 665 (1999)

N.A.Matt, N.Benczer-Koller, J.Holden, G.Kumbartzki, R.H.Mayer, M.Satteson, R.Tanczyn

Competition between Single-Particle and Collective Excitations in N = 88 Nuclei: Measurement of g(41+)/g(21+) in 152Gd

NUCLEAR REACTIONS 152Gd(32S, 32S'), E=100 MeV; 152Gd(58Ni, 58Ni'), E=180, 212.5 MeV; measured Eγ, Iγ(θ, H, t) following Coulomb excitation. 152Gd levels deduced g factors, single-particle, collective contributions. Transient field technique.

doi: 10.1103/PhysRevC.59.665
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1999WE02      Nucl.Phys. A645, 191 (1999)

L.Weissman, R.H.Mayer, N.Benczer-Koller, C.Broude, J.A.Cizewski, M.Hass, J.Holden, R.V.F.Janssens, G.Kumbartzki, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, N.Matt, D.P.McNabb, M.Satteson

Time-Decay History of Normal-Deformation High-Spin States in 193, 194Hg

NUCLEAR REACTIONS 150Nd(48Ca, 5n), (48Ca, 4n), E=203 MeV; measured Eγ, Iγ, γγ-coin, DSA. 193,194Hg deduced high-spin levels, J, π, T1/2, non-collective configurations. Gammasphere array.

doi: 10.1016/S0375-9474(98)00604-6
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1999WE04      Phys.Lett. 446B, 22 (1999)

L.Weissman, R.H.Mayer, G.Kumbartzki, N.Benczer-Koller, C.Broude, J.A.Cizewski, M.Hass, J.Holden, R.V.F.Janssens, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, D.P.McNabb, M.Satteson

Single Particle Signatures in High-Spin, Quasicontinuum States in 193, 194Hg from g-Factor Measurements

NUCLEAR REACTIONS 150Nd(48Ca, 5n), (48Ca, 4n), E=203 MeV; measured Eγ, Iγ(θ, H, t), γγ-coin. 193,194Hg deduced high-spin, quasicontinuum states average g factors, quasineutron configurations contributions. Gammasphere array.

doi: 10.1016/S0370-2693(98)01514-7
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1998MA71      Phys.Rev. C58, R2640 (1998)

R.H.Mayer, G.Kumbartzki, L.Weissman, N.Benczer-Koller, C.Broude, J.A.Cizewski, M.Hass, J.Holden, R.V.F.Janssens, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, D.P.McNabb, M.Satteson

First Direct Measurements of g Factors of the Three Superdeformed Bands of 194Hg

NUCLEAR REACTIONS 150Nd(48Ca, 4n), E=203 MeV; measured Eγ, Iγ(θ, t), γγ-coin. 194Hg deduced superdeformed bands average g factors. Gammasphere array, transient field technique.

doi: 10.1103/PhysRevC.58.R2640
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1998SP03      Phys.Rev. C57, 2181 (1998)

K.-H.Speidel, N.Benczer-Koller, G.Kumbartzki, C.Barton, A.Gelberg, J.Holden, G.Jakob, N.Matt, R.H.Mayer, M.Satteson, R.Tanczyn, L.Weissman

Shell Closure Effects in the Stable 74-82Se Isotopes from Magnetic Moment Measurements using Projectile Excitation and the Transient Field Technique

NUCLEAR REACTIONS Ta(74Se, 74Se'), (76Se, 76Se'), (78Se, 78Se'), (80Se, 80Se'), (82Se, 82Se'), E=230-262 MeV; measured Eγ, Iγ(H, θ) in polarized Gd following projectile Coulomb excitation. 74,76,78,80,82Se deduced g-factors. Multilayer target. Comparison with IBM calculations.

doi: 10.1103/PhysRevC.57.2181
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1998WE23      Nuovo Cim. 111A, 675 (1998)

L.Weissman, R.H.Mayer, N.Benczer-Koller, C.Broude, M.Hass, G.Kumbartzki

Average g-Factor of High-Spin Nuclear States in the Quasi-Continuum Region

NUCLEAR REACTIONS 150Nd(48Ca, 5n), (48Ca, 4n), E=203 MeV; measured Eγ, Iγ(θ, H, t), γγ-coin. 193,194Hg deduced high-spin transitions, quasicontinuum states average g factors. Gammasphere array, transient field technique.


1998ZH09      Nucl.Phys. A628, 386 (1998)

C.T.Zhang, P.Bhattacharyya, P.J.Daly, Z.W.Grabowski, R.H.Mayer, M.Sferrazza, R.Broda, B.Fornal, W.Krolas, T.Pawlat, D.Bazzacco, S.Lunardi, C.Rossi Alvarez, G.de Angelis

Yrast Excitations in A = 126-131 Te Nuclei from Deep Inelastic 130Te + 64Ni Reactions

NUCLEAR REACTIONS 130Te(64Ni, X), E=275 MeV; measured few-neutron transfer reactions associated Eγ, Iγ, γγ(θ), γγ(t). 126,127,128,129,130,131Te deduced levels, probable J, π, isomers T1/2, single-particle, collective aspects. Enriched targets, Compton-supressed Ge detector array.

doi: 10.1016/S0375-9474(97)00617-9
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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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1995BR10      Phys.Rev.Lett. 74, 868 (1995)

R.Broda, B.Fornal, W.Krolas, T.Pawlat, D.Bazzacco, S.Lunardi, C.Rossi-Alvarez, R.Menegazzo, G.de Angelis, P.Bednarczyk, J.Rico, D.De Acuna, P.J.Daly, R.H.Mayer, M.Sferrazza, H.Grawe, K.H.Maier, R.Schubart

N = 40 Neutron Subshell Closure in the 68Ni Nucleus

NUCLEAR REACTIONS 130Te(64Ni, X), E=275 MeV; measured γγ-coin; deduced evidence for 68Ni. 68Ni deduced levels, isomer T1/2, J, π, configuration.

doi: 10.1103/PhysRevLett.74.868
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1995DA26      Phys.Scr. T56, 94 (1995)

P.J.Daly, R.H.Mayer, D.Nisius, I.G.Bearden, P.Bhattacharyya, L.Richter, M.Sferrazza, Z.W.Grabowski, R.Broda, B.Fornal, I.Ahmad, M.P.Carpenter, R.G.Henry, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, Y.Liang, J.Blomqvist

Yrast Excitations of Heavy Tin Region Nuclei

NUCLEAR REACTIONS 124Sn(136Xe, X), E=665 MeV; 124Sn(80Se, X), E=344 MeV; compiled, reviewed γγ-coin data. 119,121,123Sn deduced yrast isomers, decay characteristics, levels, J, π. Model comparison. Thick targets.

doi: 10.1088/0031-8949/1995/T56/015
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1995FO16      Acta Phys.Pol. B26, 357 (1995)

B.Fornal, R.Broda, W.Krolas, T.Pawlat, P.J.Daly, I.G.Bearden, Z.W.Grabowski, R.H.Mayer, D.Nisius, L.Richter, M.Sferrazza, M.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, D.Bazzacco, S.Lunardi, C.Rossi-Alvarez, G.de Angelis, P.Bednarczyk, H.Grawe, K.H.Maier, R.Schubart

Deep-Inelastic Reactions - A New Tool for Nuclear Spectroscopy

NUCLEAR REACTIONS 92Mo(60Ni, X), E=255 MeV; 106Cd(54Fe, X), E=255 MeV; 124Sn(80Se, X), E=344 MeV; 124Sn(76Ge, X), E not given; 208Pb(64Ni, X), E=350 MeV; 130Te(64Ni, X), E=275 MeV; 160Gd(34S, X), (36S, X), (37Cl, X), E not given; compiled, reviewed binary reaction products distribution data. 33Si, 34P, 39Cl, 64,65,66,67Ni, 119,121,122,123,124Sn deduced level systematics.


1995MO01      Phys.Rev. C51, 115 (1995)

E.F.Moore, M.P.Carpenter, Y.Liang, R.V.F.Janssens, I.Ahmad, I.G.Bearden, P.J.Daly, M.W.Drigert, B.Fornal, U.Garg, Z.W.Grabowski, H.L.Harrington, R.G.Henry, T.L.Khoo, T.Lauritsen, R.H.Mayer, D.Nisius, W.Reviol, M.Sferrazza

Collectivity of Dipole Bands in 196Pb

NUCLEAR REACTIONS 170Er(30Si, 4nγ), E=142 MeV; measured Eγ, Iγ, γγ(θ), oriented nuclei, DSA. 196Pb deduced high-spin levels J, π, T1/2, B(λ). Cranked shell model.

doi: 10.1103/PhysRevC.51.115
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1995NI03      Phys.Rev. C51, R1061 (1995)

D.Nisius, R.V.F.Janssens, T.L.Khoo, I.Ahmad, D.Blumenthal, M.P.Carpenter, B.Crowell, D.Gassmann, T.Lauritsen, W.C.Ma, J.H.Hamilton, A.V.Ramayya, P.Bhattacharyya, C.T.Zhang, P.J.Daly, Z.W.Grabowski, R.H.Mayer

Superdeformed Band in 154Dy

NUCLEAR REACTIONS 122Sn(36S, 4n), E=165 MeV; measured Eγ, relative Iγ, γγγ-coin. 154Dy deduced high-spin levels, J, π, superdeformation band transitions.

doi: 10.1103/PhysRevC.51.R1061
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1995NI06      Phys.Lett. 346B, 15 (1995)

D.Nisius, R.V.F.Janssens, P.Fallon, B.Crowell, I.Ahmad, C.W.Beausang, M.P.Carpenter, B.Cederwall, P.J.Daly, M.A.Deleplanque, R.M.Diamond, D.Gassmann, Z.W.Grabowski, R.G.Henry, T.L.Khoo, T.Lauritsen, I.Y.Lee, A.O.Macchiavelli, R.H.Mayer, F.S.Stephens, P.J.Twin

' Identical ' Superdeformed Band in 151Dy: Further evidence for the pseudospin coupling scheme

NUCLEAR REACTIONS 122Sn(34S, 5n), E=175 MeV; measured Eγ, Iγ, γγγ-coin. 151Dy deduced high-spin levels, J, π, superdeformed band.

doi: 10.1016/0370-2693(95)00013-B
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1995NI10      Phys.Rev. C52, 1355 (1995)

D.Nisius, R.V.F.Janssens, I.G.Bearden, R.H.Mayer, I.Ahmad, P.Bhattacharyya, B.Crowell, M.P.Carpenter, P.J.Daly, C.N.Davids, Z.W.Grabowski, D.J.Henderson, R.G.Henry, R.Hermann, T.L.Khoo, T.Lauritsen, H.T.Penttila, L.Ciszewski, C.T.Zhang

Conversion Electron Spectroscopy at the Fragment Mass Analyzer Focal Plane: Studies of isomeric decays near the proton drip line

RADIOACTIVITY 149,150Er(EC) [from 94Mo(58Ni, X), E=250 MeV]; 151,152Yb(EC) [from 96Ru(58Ni, X), E=250 MeV]; measured Eγ, Iγ, I(ce)-, γ(ce)-coin, T1/2; deduced isomer decay transitions γ-multipolarity, levels, J, π.

doi: 10.1103/PhysRevC.52.1355
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1995ZH37      Z.Phys. A353, 11 (1995)

C.T.Zhang, M.Sferrazza, R.H.Mayer, Z.W.Grabowski, P.Bhattacharyya, P.J.Daly, R.Broda, B.Fornal, W.Krolas, T.Pawlat, G.de Angelis, D.Bazzacco, S.Lunardi, C.Rossi-Alvarez

Yrast Excitations in 129Te

NUCLEAR REACTIONS 130Te(64Ni, X), E=275 MeV; measured γγ-coin. 129Te deduced high-spin levels, J, π, configuration, isomer decay, T1/2. Product 129mSb(β-decay) data also used.

RADIOACTIVITY 129mSb(β-) [from 130Te(64Ni, X), E=275 MeV]; measured β-decay; deduced log ft. 129Te deduced β-decay branching to high-spin levels. Data from 130Te(64Ni, X) for direct 129Te production also included.

doi: 10.1007/BF01297719
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1994FO04      Phys.Rev. C49, 2413 (1994)

B.Fornal, R.H.Mayer, I.G.Bearden, Ph.Benet, R.Broda, P.J.Daly, Z.W.Grabowski, I.Ahmad, M.P.Carpenter, P.B.Fernandez, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, E.F.Moore, M.Drigert

Gamma Ray Studies of Neutron-Rich sdf Shell Nuclei Produced in Heavy Ion Collisions

NUCLEAR REACTIONS 160Gd(34S, X), E=159 MeV; 160Gd(36S, X), E=159 MeV; 160Gd(37Cl, X), E=167 MeV; measured γγ-coin; deduced reaction mechanism. 38,36S, 37,39Cl, 34,35P, 34,33Si deduced level schemes.

doi: 10.1103/PhysRevC.49.2413
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1994MA48      Phys.Lett. 336B, 308 (1994)

R.H.Mayer, D.T.Nisius, I.G.Bearden, P.Bhattacharyya, L.Richter, M.Sferrazza, Z.W.Grabowski, P.J.Daly, R.Broda, B.Fornal, I.Ahmad, M.P.Carpenter, R.G.Henry, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, Y.Liang, J.Blomqvist

Gamma-Ray Studies of 119,121,123Sn Isomers Formed in Deep Inelastic Heavy Ion Collisions

NUCLEAR REACTIONS 122,124Sn(76Ge, X), E=325 MeV; measured γγ-coin. 119,121,123Sn deduced yrast high-spin isomers, J, π, decay features, B(λ), configurations.

doi: 10.1016/0370-2693(94)90537-1
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1993HU01      Phys.Rev. C47, R1337 (1993)

J.R.Hughes, Y.Liang, R.V.F.Janssens, A.Kuhnert, J.A.Becker, I.Ahmad, I.G.Bearden, M.J.Brinkman, J.Burde, M.P.Carpenter, J.A.Cizewski, P.J.Daly, M.A.Deleplanque, R.M.Diamond, J.E.Draper, C.Duyar, B.Fornal, U.Garg, Z.W.Grabowski, E.A.Henry, R.G.Henry, W.Hesselink, N.Kalantar-Nayestanaki, W.H.Kelly, T.L.Khoo, T.Lauritsen, R.H.Mayer, D.Nissius, J.R.B.Oliveira, A.J.M.Plompen, W.Reviol, E.Rubel, F.Soramel, F.S.Stephens, M.A.Stoyer, D.Vo, T.F.Wang

Collective Oblate Bands in 196Pb

NUCLEAR REACTIONS 170Er(30Si, 4n), E=142-151 MeV; 176Yb(26Mg, 6n), E=138 MeV; measured γγ-coin. 196Pb deduced levels, J, π, band structure, B(λ) ratio, shape features.

doi: 10.1103/PhysRevC.47.R1337
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1993MO19      Phys.Rev. C48, 2261 (1993)

E.F.Moore, Y.Liang, R.V.F.Janssens, M.P.Carpenter, I.Ahmad, I.G.Bearden, P.J.Daly, M.W.Drigert, B.Fornal, U.Garg, Z.W.Grabowski, H.L.Harrington, R.G.Henry, T.L.Khoo, T.Lauritsen, R.H.Mayer, D.Nisius, W.Reviol, M.Sferrazza

Spectroscopy of the Superdeformed Band in 196Pb

NUCLEAR REACTIONS 170Er(30Si, 4n), E=142-151 MeV; measured Eγ, Iγ, γγ-coin, DSA. 196Pb deduced superdeformed band transitions, intrinsic quadrupole moment, dynamic moment of inertia. Model comparison.

doi: 10.1103/PhysRevC.48.2261
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1993NI05      Phys.Rev. C47, 1929 (1993)

D.Nisius, B.Fornal, I.G.Bearden, R.Broda, R.H.Mayer, Z.W.Grabowski, P.J.Daly, C.N.Davids, I.Ahmad, B.B.Back, K.Bindra, M.P.Carpenter, W.Chung, D.Henderson, R.G.Henry, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, Y.Liang, F.Soramel, A.V.Ramayya

Yrast Isomers in Exotic N = 81 Nucleus 151Yb Studied Using a Fragment Mass Analyzer

NUCLEAR REACTIONS 96Ru(58Ni, X), E=255 MeV; measured γ(recoil nucleus)-coin, Eγ, Iγ. 151Yb deduced yrast isomers, T1/2, decay scheme. Fragment mass analyzer.

doi: 10.1103/PhysRevC.47.1929
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1992BR06      Phys.Rev.Lett. 68, 1671 (1992)

R.Broda, R.H.Mayer, I.G.Bearden, Ph.Benet, P.J.Daly, Z.W.Grabowski, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, T.Lauritsen, E.F.Moore, S.Lunardi, J.Blomqvist

Yrast Isomers in Tin Nuclei from Heavy Ion Collisions and the νh11/2 Subshell Filling

NUCLEAR REACTIONS 124Sn(76Ge, X), E=325 MeV; measured Eγ, Iγ, γγ-coin. 122,124Sn deduced levels, J, π, T1/2, B(λ).

doi: 10.1103/PhysRevLett.68.1671
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1992MA27      Z.Phys. A342, 247 (1992)

R.H.Mayer, B.Fornal, R.Broda, I.G.Bearden, Z.W.Grabowski, S.Lunardi, P.J.Daly, T.Lauritsen, M.P.Carpenter, R.V.F.Janssens, T.L.Khoo, Y.Liang

New (19/2)+ Isomers in 119Sn, 121Sn and 123Sn

NUCLEAR REACTIONS 122,124Sn(80Se, X), E=344 MeV; measured Eγ, Iγ, γγ-coin. 119,121,123Sn deduced (19/2)+ yrast isomers, T1/2, decay schemes.

doi: 10.1007/BF01288478
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