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NSR database version of May 24, 2024.

Search: Author = R.Gill

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2007BU05      Phys.Lett. B 647, 98 (2007)

S.Bultmann, I.H.Chiang, R.E.Chrien, A.Drees, R.L.Gill, W.Guryn, J.Landgraf, T.A.Ljubicic, D.Lynn, C.Pearson, P.Pile, A.Rusek, M.Sakitt, S.Tepikian, K.Yip, J.Chwastowski, B.Pawlik, M.Haguenauer, A.A.Bogdanov, S.B.Nurushev, M.F.Runtzo, M.N.Strikhanov, I.G.Alekseev, V.P.Kanavets, L.I.Koroleva, B.V.Morozov, D.N.Svirida, A.Khodinov, M.Rijssenbeek, L.Whitehead, S.Yeung, K.De, N.Guler, J.Li, N.Ozturk, A.Sandacz

Double spin asymmetries ANN and ASS at √ s = 200 GeV in polarized proton-proton elastic scattering at RHIC

NUCLEAR REACTIONS 1H(polarized p, p), E(cm)=200 GeV; measured double spin asymmetries. Comparison with theory, polarised target.

doi: 10.1016/j.physletb.2007.01.067
Citations: PlumX Metrics

2006BA24      Phys.Rev.Lett. 96, 174801 (2006)

M.Bai, T.Roser, L.Ahrens, I.G.Alekseev, J.Alessi, J.Beebe-Wang, M.Blaskiewicz, A.Bravar, J.M.Brennan, D.Bruno, G.Bunce, E.Courant, A.Drees, W.Fischer, C.Gardner, R.Gill, J.Glenn, W.Haeberli, H.Huang, O.Jinnouchi, J.Kewisch, A.Luccio, Y.Luo, I.Nakagawa, H.Okada, F.Pilat, W.W.MacKay, Y.Makdisi, C.Montag, V.Ptitsyn, T.Satogata, E.Stephenson, D.Svirida, S.Tepikian, D.Trbojevic, N.Tsoupas, T.Wise, A.Zelenski, K.Zeno, S.Y.Zhang

Polarized Proton Collisions at 205 GeV at RHIC

NUCLEAR REACTIONS 1H(polarized p, X), E ≈ 40-200 GeV; measured beam polarization, energy dependence.

doi: 10.1103/PhysRevLett.96.174801
Citations: PlumX Metrics

2006OK03      Phys.Lett. B 638, 450 (2006)

H.Okada, I.G.Alekseev, A.Bravar, G.Bunce, S.Dhawan, R.Gill, W.Haeberli, O.Jinnouchi, A.Khodinov, Y.Makdisi, A.Nass, N.Saito, E.J.Stephenson, D.N.Svirida, T.Wise, A.Zelenski

Measurement of the analyzing power AN in pp elastic in the CNI region with a polarized atomic hydrogen gass jet target

NUCLEAR REACTIONS 1H(polarized p, X), E(cm)=13.7 GeV; measured analysing powers, momentum-transfer dependence. Comparison with Coulomb nuclear interference calculations.

doi: 10.1016/j.physletb.2006.06.008
Citations: PlumX Metrics

2005BR16      Nucl.Phys. B(Proc.Supp.) S146, 77 (2005)

A.Bravar, I.Alekseev, G.Bunce, S.Dhawan, R.Gill, H.Huang, W.Haeberli, G.Igo, O.Jinnouchi, A.Khodinov, A.Kponou, K.Kurita, Y.Makdisi, W.Meng, A.Nass, H.Okada, N.Saito, H.Spinka, E.Stephenson, D.Svirida, D.Underwood, C.Whitten, T.Wise, J.Wood, A.Zelenski

Spin Dependence in Polarized pp → pp and p C → p C Elastic Scattering at Very Low Momentum Transfer t at RHIC

NUCLEAR REACTIONS 1H, C(polarized p, p), E=4-100 GeV; measured analyzing powers; deduced reaction mechanism features.

doi: 10.1016/j.nuclphysbps.2005.02.066
Citations: PlumX Metrics

2004BE13      Phys.Rev. C 69, 034320 (2004)

Z.Berant, A.Wolf, N.V.Zamfir, M.A.Caprio, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Krucken, C.J.Barton, J.R.Cooper, A.A.Hecht, D.M.Johnson, J.R.Novak, H.Cheng, B.F.Albanna, G.Gurdal

g factor of the 2+1 state of 164Yb

RADIOACTIVITY 164Lu(EC) [from 155Gd(14N, 5n)]; measured Eγ, Iγ(θ, H), γγ-coin. 164Yb level deduced g factor. Comparison with model predictions. Systematic trends discussed.

doi: 10.1103/PhysRevC.69.034320
Citations: PlumX Metrics

2004BU01      Phys.Lett. B 579, 245 (2004)

S.Bultmann, I.H.Chiang, R.E.Chrien, A.Drees, R.L.Gill, W.Guryn, D.Lynn, C.Pearson, P.Pile, A.Rusek, M.Sakitt, S.Tepikian, J.Chwastowski, B.Pawlik, M.Haguenauer, A.A.Bogdanov, S.B.Nurushev, M.F.Runtzo, M.N.Strikhanov, I.G.Alekseev, V.P.Kanavets, L.I.Koroleva, B.V.Morozov, D.N.Svirida, M.Rijssenbeek, C.Tang, S.Yeung, K.De, N.Guler, J.Li, N.Ozturk, A.Sandacz

First measurement of proton-proton elastic scattering at RHIC

NUCLEAR REACTIONS 1H(polarized p, p), E(cm)=200 GeV; measured σ(θ); deduced slope parameter.

doi: 10.1016/j.physletb.2003.11.023
Citations: PlumX Metrics

2003AH09      Phys.Rev. C 68, 064004 (2003)

M.W.Ahmed, X.Cui, A.Empl, E.V.Hungerford, K.J.Lan, M.Youn, R.E.Chrien, R.Gill, P.Pile, A.Rusek, R.Sutter, J.Bjoraker, D.Dehnhard, J.M.O'Donnell, J.Gerald, H.Juengst, J.H.Liu, J.C.Peng, C.L.Morris, C.M.Riedel, H.A.Thiessen, D.Androic, I.Bertovic, M.Furic, T.Petkovic, M.Planinic, L.Tang, V.Zeps

Experimental study of the 12C(K-stopped, π0)12ΛB reaction

NUCLEAR REACTIONS 12C(K-, π0), E at rest; measured pion spectra; deduced hypernucleus production ground and excited state branching ratios. 12B deduced hyperon binding energy.

doi: 10.1103/PhysRevC.68.064004
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2003BA01      Phys.Lett. 551B, 269 (2003)

C.J.Barton, M.A.Caprio, D.Shapira, N.V.Zamfir, D.S.Brenner, R.L.Gill, T.A.Lewis, J.R.Cooper, R.F.Casten, C.W.Beausang, R.Krucken, J.R.Novak

B(E2) values from low-energy Coulomb excitation at an ISOL facility: the N = 80, 82 Te isotopes

NUCLEAR REACTIONS C(130Te, 130Te'), (132Te, 132Te'), (134Te, 134Te'), E=350 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 130,132,134Te deduced transitions B(E2).

doi: 10.1016/S0370-2693(02)03066-6
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2003BA18      Phys.Rev. C 67, 034310 (2003)

C.J.Barton, D.S.Brenner, N.V.Zamfir, M.A.Caprio, A.Aprahamian, M.C.Wiescher, C.W.Beausang, Z.Berant, R.F.Casten, J.R.Cooper, R.L.Gill, R.Krucken, J.R.Novak, N.Pietralla, M.Shawcross, A.Teymurazyan, A.Wolf

Mass measurement of 80Y by β-γ coincidence spectroscopy

RADIOACTIVITY 80Y(EC), (β+) [from 58Ni(28Si, npα)]; measured Eγ, Eβ, βγ-coin; deduced Q(EC). 80Sr deduced transitions. Implications for astrophysical rp-process simulations discussed.

doi: 10.1103/PhysRevC.67.034310
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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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2002WO10      Phys.Rev. C66, 024323 (2002)

A.Wolf, N.V.Zamfir, M.A.Caprio, Z.Berant, D.S.Brenner, N.Pietralla, R.L.Gill, R.F.Casten, C.W.Beausang, R.Kruecken, K.E.Zyromski, C.J.Barton, J.R.Cooper, A.A.Hecht, H.Newman, J.R.Novak, J.Cederkall

Structure of low-lying states in 128Ba from γ-γ angular correlations and polarization measurements

RADIOACTIVITY 128La(EC) [from 116Sn(16O, 3np)]; measured Eγ, Iγ, γγ-coin, γ-ray polarization. 128Ba deduced levels, J, π, B(E2). Comparison with model predictions.

doi: 10.1103/PhysRevC.66.024323
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Data from this article have been entered in the XUNDL database. For more information, click here.

2001GI14      Nucl.Phys. A691, 180c (2001)

R.L.Gill, for the E931 Collaboration

A Study of the ΔI = 1/2 Rule in the Weak Decay of S-Shell Hypernuclei: BNL E931

NUCLEAR REACTIONS 4He(K-, π0), E at rest; calculated hypernucleus production rate.

doi: 10.1016/S0375-9474(01)01026-0
Citations: PlumX Metrics

2001TO06      Phys.Rev. C63, 034314 (2001)

B.E.Tomlin, C.J.Barton, N.V.Zamfir, M.A.Caprio, R.L.Gill, R.Krucken, J.R.Novak, J.R.Cooper, K.E.Zyromski, G.Cata-Danil, C.W.Beausang, A.Wolf, N.A.Pietralla, H.Newman, J.Cederkall, B.Liu, Z.Wang, R.F.Casten, D.S.Brenner

Mass Measurements of 70Se, 71Se, 72Br, and 73Br

RADIOACTIVITY 70,71Se, 72,73Br(β+) [from 58Ni(HI, xnyp)]; measured β-spectrum, βγ-coin; deduced Q(EC), mass excess. Comparison with model predictions.

doi: 10.1103/PhysRevC.63.034314
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2000PR03      Phys.Rev. C61, 044305 (2000)

P.Prokofjevs, L.I.Simonova, M.Balodis, J.Berzins, V.Bondarenko, H.F.Wirth, T.von Egidy, C.Doll, J.Ott, W.Schauer, R.W.Hoff, R.F.Casten, R.L.Gill, J.Honzatko, I.Tomandl, S.Boneva, V.A.Khitrov, A.M.Sukhovoj, D.G.Burke, J.Kvasil, A.Mackova

Nuclear Structure of 166Ho Studied in Neutron-Capture, (d, p), and (d, 3He) Reactions

NUCLEAR REACTIONS 165Ho(n, γ), E ≈ 2 keV; measured Eγ, Iγ following averaged resonance capture. 165Ho(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. 165Ho(d, p), E=17 MeV; 167Er(d, 3He), E=27 MeV; measured σ(E, θ). 166Ho deduced levels, J, π, rotational bands. Comparison with quasiparticle phonon model.

doi: 10.1103/PhysRevC.61.044305
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14057.

1999ZA15      Phys.Rev. C60, 054319 (1999)

N.V.Zamfir, R.F.Casten, B.Liu, D.S.Brenner, C.J.Barton, R.Krucken, C.W.Beausang, J.R.Novak, J.R.Cooper, G.Cata-Danil, R.L.Gill, D.D.Warner

Status of the Kπ = 02+ Band in 162Dy

RADIOACTIVITY 162Ho(β+), (EC) [from 159Tb(α, n)]; measured Eγ, Iγ, γγ-coin following β decay. 162Dy deduced levels, J, π, B(E2), possible two-phonon vibration.

doi: 10.1103/PhysRevC.60.054319
Citations: PlumX Metrics

1998FO06      Phys.Rev. C58, 749 (1998)

B.D.Foy, D.S.Brenner, C.N.Davids, D.Seweryniak, D.Blumenthal, R.L.Gill, N.V.Zamfir, D.D.Warner, C.J.Barton

Mass Measurements of Proton-Rich Medium Mass Nuclides

RADIOACTIVITY 150,151Er(β+) [from 96Mo(58Ni, xn2p)]; measured β-spectrum, βγ-coin; deduced Q(EC), mass excess.

ATOMIC MASSES 150,151Er(β+) [from 96Mo(58Ni, xn2p)]; measured β-spectrum, βγ-coin; deduced Q(EC), mass excess. Comparison with mass formulae. Systematics in nearby nuclei discussed.

doi: 10.1103/PhysRevC.58.749
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1998GO10      Phys.Rev. C57, R2781 (1998)

A.Gollwitzer, R.Hertenberger, A.Metz, P.Schiemenz, B.D.Valnion, G.Graw, N.Blasi, S.Lucchini, S.Micheletti, M.Pignanelli, R.de Leo, R.L.Gill, C.Hategan, R.F.Casten

Experimental Study of the Deformed Nucleus 153Sm Via (d(pol), t) and Average Resonance Capture as a Test Case for the Multiorbit Interacting Boson Fermion Model

NUCLEAR REACTIONS 154Sm(polarized d, t), E=25 MeV; measured triton spectra, σ(E, θ), analyzing power. 152Sm(n, γ), E=2, 24 keV; measured Eγ, Iγ, γγ-coin. 153Sm deduced levels J, π, configurations.

NUCLEAR STRUCTURE 153Sm; calculated levels, J, π; deduced monopole term effect on Coriolis mixing. Interacting boson-fermion model.

doi: 10.1103/PhysRevC.57.R2781
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF0785.

1997BB08      Nucl.Instrum.Methods Phys.Res. A391, 289 (1997)

C.J.Barton, R.L.Gill, R.F.Casten, D.S.Brenner, N.V.Zamfir, A.Zilges

Coulomb Excitation of Radioactive Nuclear Beams in Inverse Kinematics

NUCLEAR REACTIONS C(188Os, 188Os'), (192Os, 192Os'), E=270 MeV; measured Eγ, Iγ(t) following projectile Coulomb excitation. 188,192Os levels deduced T1/2, B(E2). Application to radioactive beams discussed.

doi: 10.1016/S0168-9002(97)00416-6
Citations: PlumX Metrics

1996GI09      Phys.Rev. C54, 2276 (1996)

R.L.Gill, R.F.Casten, W.R.Phillips, B.J.Varley, C.J.Lister, J.L.Durell, J.A.Shannon, D.D.Warner

New Levels in 168Er: Use of a Compton-suppressed Ge array with the (n, γ) reaction

NUCLEAR REACTIONS 167Er(n, γ), E=reactor; measured γγ-coin, Eγ, Iγ. 168Er deduced levels, Iγ, J, π, γ-multipolarity.

doi: 10.1103/PhysRevC.54.2276
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1996HO12      Phys.Rev. C54, 78 (1996)

R.W.Hoff, H.G.Borner, K.Schreckenbach, G.G.Colvin, F.Hoyler, W.Schauer, T.von Egidy, R.Georgii, J.Ott, S.Schrunder, R.F.Casten, R.L.Gill, M.Balodis, P.Prokofjevs, L.Simonova, J.Kern, V.A.Khitrov, A.M.Sukhovoj, O.Bersillon, S.Joly, G.Graw, D.Hofer, B.Valnion

Nuclear Structure of 170Tm from Neutron-Capture and (d, p)-Reaction Measurements

NUCLEAR REACTIONS 169Tm(n, γ), E=thermal; measured γγ-coin, I(ce), Eγ, Iγ. 169Tm(d, p), E=26 MeV; measured spectra, σ(θ). 170Tm deduced levels, J, π, subshell ICC, γ-multipolarity, band structure.

doi: 10.1103/PhysRevC.54.78
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0322.

1995GI10      Phys.Rev. C51, 2801 (1995)

R.L.Gill, C.Barton, R.F.Casten, N.V.Zamfir

Measurement of the E2 Decay Branching Ratio of the First Excited 0+ State in 166Er

RADIOACTIVITY 166Ho(β-) [from Ho(n, γ), E=reactor]; measured Eγ, Iγ. 166Er deduced E2 decay branching ratio.

doi: 10.1103/PhysRevC.51.2801
Citations: PlumX Metrics

1995WO01      Phys.Rev. C51, 2381 (1995)

A.Wolf, R.L.Gill, Z.Berant, D.S.Brenner

g Factor of the (3/2)+ 121.8-keV Level in 99Zr

RADIOACTIVITY 99Y(β-) [from 235U(n, F), E=thermal]; measured γγ(θ, H). 99Zr level deduced g factor. Model comparison.

doi: 10.1103/PhysRevC.51.2381
Citations: PlumX Metrics

1995ZA01      Phys.Rev. C51, 98 (1995)

N.V.Zamfir, R.L.Gill, D.S.Brenner, R.F.Casten, A.Wolf

Study of Low-Spin States in 122Cd

RADIOACTIVITY 122Ag(β-); measured Eγ, Iγ, γγ-, βγγ-coin, γγ(θ), T1/2. 122Cd deduced levels, J, π, B(λ). Phonon, interacting boson model.

doi: 10.1103/PhysRevC.51.98
Citations: PlumX Metrics

1994GI07      Phys.Rev. C50, 2612 (1994)


Measurement of the Q(β) Value for the β Decay of Mass Separated 84As → 84Se

RADIOACTIVITY 84As(β-); measured Eβ, Iβ, βγ-coin, Qβ.

doi: 10.1103/PhysRevC.50.2612
Citations: PlumX Metrics

1994JO13      Int.J.Mod.Phys. E3, 757 (1994)

P.K.Joshi, E.F.Zganjar, D.Rupnik, S.J.Robinson, P.F.Mantica, H.K.Carter, J.Kormicki, R.L.Gill, W.B.Walters, C.R.Bingham, A.V.Ramayya, W.C.Ma, J.H.Hamilton

Lifetimes of the 0+2 Configuration in 186Hg and 188Hg

RADIOACTIVITY 188,186Tl(β+), (EC) [from 181Ta(16O, X), E=181 MeV]; measured βγγ-coin. 186,188Hg levels deduced T1/2, (ρ)2(E0).

doi: 10.1142/S021830139400019X
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1994JU02      Phys.Rev. C49, 88 (1994)

A.Jungclaus, R.F.Casten, R.L.Gill, H.G.Borner

Levels in 168Er Above 2 MeV and the Onset of Chaos

NUCLEAR REACTIONS 167Er(n, γ), E=thermal; measured Eγ, Iγ, γγ-coin. 168Er deduced levels, J, π, γ-multipolarity.

doi: 10.1103/PhysRevC.49.88
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1993CH05      Phys.Rev. C47, 157 (1993)

W.-T.Chou, D.S.Brenner, R.F.Casten, R.L.Gill

Level Lifetime Measurements and the Structure of Neutron-Rich 78Ge

RADIOACTIVITY 78Ga(β-); measured βγγ(t); deduced Ge isotopes B(λ) systematics. 78Ge levels deduced T1/2, B(E2). Fast electronic scintillation time technique.

doi: 10.1103/PhysRevC.47.157
Citations: PlumX Metrics

1993JO15      Nucl.Instrum.Methods Phys.Res. A335, 461 (1993)

P.K.Joshi, P.F.Mantica, S.J.Robinson, R.L.Gill, E.F.Zganjar

Picosecond Lifetime Measurement Systems for Levels Populated by Electron Capture and for Levels Decaying by E0 Transitions

RADIOACTIVITY 60Co(β-); measured γγ(t). 24Na(β-); measured βγγ(t). 118Cs(β+), (EC); measured βγγ(t). 186Hg(β+), (EC); measured β(X-ray)(ce)-coin; deduced accidental contribution to coin-spectra.

doi: 10.1016/0168-9002(93)91231-B
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1993WO07      Phys.Rev. C48, 562 (1993)

A.Wolf, R.L.Gill, D.S.Brenner, Z.Berant, R.B.Schuhmann, N.V.Zamfir

g Factor of the (3/2)+ 93.6 keV Level in 91Sr

RADIOACTIVITY 91Rb(β-) [from 235U(n, F), E=thermal]; measured γγ(θ), oriented nuclei. 91Sr level deduced g factor.

doi: 10.1103/PhysRevC.48.562
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1992GI02      Nucl.Phys. A542, 32 (1992)

R.L.Gill, W.-T.Chou, R.F.Casten

Axial Asymmetry in Nearly Symmetric Deformed Nuclei

NUCLEAR STRUCTURE 158Gd, 184W, 160Dy, 164Er; calculated relative potential vs γ-parameter. Additional cubic term in interacting boson approximation Hamiltonian.

doi: 10.1016/0375-9474(92)90394-Y
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1991BE06      Phys.Rev. C43, 1639 (1991)

Z.Berant, R.B.Schuhmann, D.E.Alburger, W.T.Chou, R.L.Gill, E.K.Warburton, C.Wesselborg

Spectroscopy of 214Bi and Systematics of 210,212,214Pb(0+) → β- 210,212,214Bi(0-)

RADIOACTIVITY 214Pb(β-); measured γγ-coin, γγ(θ), I(ce), Eγ, Iγ, βγγ-coin. 214Bi deduced levels, J, π, T1/2. Shell model.

doi: 10.1103/PhysRevC.43.1639
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1991HI02      Phys.Rev. C43, 2591 (1991)

J.C.Hill, D.D.Schwellenbach, F.K.Wohn, J.A.Winger, R.L.Gill, H.Ohm, K.Sistemich

Structure of Highly Deformed 102Zr Populated in Decay of Low- and High-Spin Isomers of 102Y

RADIOACTIVITY 102Y(β-); measured T1/2, Eγ, Iγ, γγ-coin. 102Zr deduced levels, J, π. Ge detector.

doi: 10.1103/PhysRevC.43.2591
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1991KE10      Nucl.Phys. A534, 77 (1991)

J.Kern, A.Raemy, W.Beer, J.-Cl.Dousse, W.Schwitz, M.K.Balodis, P.T.Prokofjev, N.D.Kramer, L.I.Simonova, R.W.Hoff, D.G.Gardner, M.A.Gardner, R.F.Casten, R.L.Gill, R.Eder, T.von Egidy, E.Hagn, P.Hungerford, H.J.Scheerer, H.H.Schmidt, E.Zech, A.Chalupka, A.V.Murzin, V.A.Libman, I.V.Kononenko, C.Coceva, P.Giacobbe, I.A.Kondurov, Yu.E.Loginov, P.A.Sushkov, S.Brant, V.Paar

Nuclear Levels in 192Ir

NUCLEAR REACTIONS 191Ir(n, γ), E=thermal; measured Eγ, Iγ, I(ce), γγ-coin; 191Ir(n, γ), E=0.66, 5.4, 6.1 eV, 2, 24 keV; measured Eγ, Iγ; 191Ir(d, p), E=15, 22 MeV; measured E(p), σ; 193Ir(d, t), E=14, 15, 22 MeV; measured E(t), σ, Iγ(θ) from oriented nuclei in Fe. 192Ir deduced levels, J, π, ICC, γ-multipolarity. Nilsson configurations, comparison with interacting boson-fermion-fermion model calculations. Curved-crystal spectrometer, Ge detectors, magnetic spectrometer, Q3D spectrograph. Enriched targets.

doi: 10.1016/0375-9474(91)90559-O
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22264.

1991MA05      Nucl.Phys. A523, 197 (1991)

H.Mach, F.K.Wohn, G.Molnar, K.Sistemich, J.C.Hill, M.Moszynski, R.L.Gill, W.Krips, D.S.Brenner

Retardation of B(E2;0+1 → 2+1) Rates in 90-96Sr and Strong Subshell Closure Effects in the A ≈ 100 Region

RADIOACTIVITY 90,92,94,96Rb(β-) [from 235U(n, F)]; measured βγγ(t). 90,92,94,96Sr levels deduced T1/2. Isotope-separated sources.

doi: 10.1016/0375-9474(91)90001-M
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1990BU01      Phys.Rev. C41, 1115 (1990)

M.Buscher, R.F.Casten, R.L.Gill, R.Schuhmann, J.A.Winger, H.Mach, M.Moszynski, K.Sistemich

Coexistence Features in the Spherical-Deformed A ≈ 100 Transition Region: Picosecond lifetime measurements in 97Sr, 97Y, and 97Zr

RADIOACTIVITY 97Sr, 97Y, 97Zr [from 235U(n, F), E=thermal]; measured βγγ-coin. 97Sr levels deduced T1/2, γ-multipolarity, B(λ), intrinsic quadrupole moment. 97Y levels deduced T1/2, γ-multipolarity, B(λ). 97Zr levels deduced T1/2. Plastic BaF2, Ge detectors, fast timing.

doi: 10.1103/PhysRevC.41.1115
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1990MA01      Phys.Rev. C41, 350 (1990); see 1990Ma04

H.Mach, M.Moszynski, R.L.Gill, G.Molnar, F.K.Wohn, J.A.Winger, J.C.Hill

Monopole Strength and Shape Coexistence in the A ≈ 100 Mass Region

doi: 10.1103/PhysRevC.41.350
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1990MA03      Phys.Rev. C41, 226 (1990)

H.Mach, E.K.Warburton, R.L.Gill, R.F.Casten, J.A.Becker, B.A.Brown, J.A.Winger

Meson-Exchange Enchancement of the First-Forbidden 96gY(0-) → 96gZr(0+) β Transition: β decay of the low-spin isomer of 96Y

RADIOACTIVITY 96Y(β-) [from 96Rb decay chain]; measured Eγ, Iγ, γγ(t), βγ-coin, I(ce); deduced Qβ, T1/2. 96Zr deduced levels, J, π, E0 transition strengths. Shell model calculations.

NUCLEAR STRUCTURE 96Y; calculated β-transition strength. Shell model.

doi: 10.1103/PhysRevC.41.226
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1990MA04      Phys.Rev. C41, 350 (1990)

H.Mach, M.Moszynski, R.L.Gill, G.Molnar, F.K.Wohn, J.A.Winger, J.C.Hill

Monopole Strength and Shape Coexistence in the A ≈ 100 Mass Region

RADIOACTIVITY 100Y, 100Nb; measured βγγ-, γγ-, βγ-coin. 100Zr, 100Mo levels deduced T1/2, E0 transition strength, intensity ratios.

NUCLEAR STRUCTURE 100,102Mo, 100Zr, 98Sr; compiled E0 transition strength, intensity ratios.

doi: 10.1103/PhysRevC.41.350
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1990MA08      Phys.Rev. C41, 1141 (1990)

H.Mach, F.K.Wohn, M.Moszynski, R.L.Gill, R.F.Casten

Subnanosecond Lifetime Measurements in Y and Sr Nuclei and the Saturation of Deformation Near A = 100

RADIOACTIVITY 99,100Y, 99Sr; measured level T1/2; deduced B(M1), intrinsic g-factors. Small BaF2, Ge detectors, βγγ-coin.

doi: 10.1103/PhysRevC.41.1141
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1990MA25      Phys.Rev. C41, R2469 (1990)

H.Mach, W.Nazarewicz, D.Kusnezov, M.Moszynski, B.Fogelberg, M.Hellstrom, L.Spanier, R.L.Gill, R.F.Casten, A.Wolf

Influence of Shell Effects and Stable Octupole Deformation on the E1 and E2 Transition Rates in the Heavy-Ba Region

RADIOACTIVITY 142,144,146Cs(β-); measured βγγ-coin. 142,144,146Ba levels deduced T1/2, intrinsic dipole, quadrupole moments. Interacting boson model.

doi: 10.1103/PhysRevC.41.R2469
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1990MA40      Phys.Rev. C42, 568 (1990)

H.Mach, E.K.Warburton, W.Krips, R.L.Gill, M.Moszynski

Evidence for the Contribution of 0f5/2, 1p3/2 Proton Excitations in the Low-Lying States in 92,94Zr

RADIOACTIVITY 92,94Y(β-) [from 92,94Rb β-decay chain]; measured βγγ-coin, βγ(t). 92,94Zr levels deduced T1/2, B(E2), configuration. Shell model.

doi: 10.1103/PhysRevC.42.568
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1990MA44      Phys.Rev. C42, 793 (1990)

H.Mach, M.Moszynski, R.L.Gill, G.Molnar, F.K.Wohn, J.A.Winger, J.C.Hill

Reply to ' Comment on ' Monopole Strength and Shape Coexistence in the A ≈ 100 Mass Region ' '

NUCLEAR STRUCTURE 98Sr, 100Zr, 102Mo; analyzed monopole transition strength data; deduced deformations shape coexistence.

doi: 10.1103/PhysRevC.42.793
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1990MA45      Phys.Rev. C42, R811 (1990)

H.Mach, S.Cwiok, W.Nazarewicz, B.Fogelberg, M.Moszynski, J.Winger, R.L.Gill

Strong Octupole and Dipole Collectivity in 96Zr: Indication for octupole instability in the A = 100 mass region

RADIOACTIVITY 96Y(β-) [from 235U(n, F)]; measured βγγ(t). 96Zr level deduced T1/2, B(λ). RPA, deformed shell model calculations.

NUCLEAR STRUCTURE 96Zr; calculated total energy surfaces. Woods-Saxon potential, pairing.

doi: 10.1103/PhysRevC.42.R811
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1990WI12      Phys.Rev. C42, 956 (1990)

J.A.Winger, J.C.Hill, F.K.Wohn, E.K.Warburton, R.L.Gill, A.Piotrowski, R.B.Schuhmann, D.S.Brenner

Structure of 76Zn from 76Cu Decay and Systematics of Neutron-Rich Zn Nuclei

RADIOACTIVITY 76Cu(β-); measured Eγ, Iγ, γγ-coin. 76Zn deduced levels, J, π. Shell model.

NUCLEAR STRUCTURE 68,70,72,74,76Zn; calculated levels. Shell model.

doi: 10.1103/PhysRevC.42.956
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1990WO01      Nucl.Phys. A507, 141c (1990)

F.K.Wohn, H.Mach, M.Moszynski, R.L.Gill, R.F.Casten

Sudden Shape Change from Spherical to Maximally Deformed for A = 100 Nuclei

NUCLEAR STRUCTURE 99,100Y, 99Sr; analyzed B(λ), T1/2 data; deduced shape change features.

RADIOACTIVITY 99,100Y; measured βγγ-coin; deduced level T1/2.

doi: 10.1016/0375-9474(90)90573-5
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1989MA33      Phys.Rev.Lett. 63, 143 (1989)

H.Mach, M.Moszynski, R.F.Casten, R.L.Gill, D.S.Brenner, J.A.Winger, W.Krips, C.Wesselborg, M.Buscher, F.K.Wohn, A.Aprahamian, D.Alburger, A.Gelberg, A.Piotrowski

Picosecond Lifetime Measurements in 116,118,120Cd and the Structure of Normal and Intruder States

RADIOACTIVITY 116,118,120Ag(β-); measured βγγ-coin. 116,118,120Cd deduced levels, J, π, T1/2, B(λ).

doi: 10.1103/PhysRevLett.63.143
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1989MA38      Nucl.Instrum.Methods Phys.Res. A280, 49 (1989)

H.Mach, R.L.Gill, M.Moszynski

A Method for Picosecond Lifetime Measurements for Neutron-Rich Nuclei (1) Outline of the method

RADIOACTIVITY 96Rb(β-); 96Sr(β-) [from 96Rb(β--decay)]; measured βγγ-coin, T1/2. 96Y levels deduced T1/2. 98Rb(β-); 98Sr(β-) [from 98Rb(β--decay)]; 98Y(β-) [from 98Sr(β--decay)]; measured βγγ-coin. 98Sr, 98Zr levels deduced T1/2. 140Cs(β-); measured βγγ-coin. 140Ba levels deduced T1/2. 146,144,142Cs(β-); 146,144,142La(β-); measured βγγ-coin. 146,144,142Ba, 144,142,146Ce levels deduced T1/2. 146Pr(β-); measured βγγ-coin. 146Nd level deduced T1/2. 133Ba(β-); measured γγ-coin. 133Cs levels deduced T1/2. General method for low-picosecond T1/2 measurements, sources from fission product mass separation.

doi: 10.1016/0168-9002(89)91272-2
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1989MA47      Phys.Lett. 230B, 21 (1989)

H.Mach, M.Moszynski, R.L.Gill, F.K.Wohn, J.A.Winger, J.C.Hill, G.Molnar, K.Sistemich

Deformation and Shape Coexistence of 0+ States in 98Sr and 100Zr

RADIOACTIVITY 98Sr, 100Zr; measured βγγ-coin. 98Sr, 100Zr levels deduced T1/2, B(λ), deformation features.

doi: 10.1016/0370-2693(89)91646-8
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1989WI11      Phys.Rev. C39, 1976 (1989)

J.A.Winger, J.C.Hill, F.K.Wohn, E.K.Warburton, R.L.Gill, A.Piotrowski, D.S.Brenner

Structure of Neutron-Rich 74Zn from 74Cu Decay and Shell-Model Calculations for Even-A Zn Nuclei

RADIOACTIVITY 74Cu(β-); calculated Eγ, Iγ, γγ-coin, T1/2. 74Zn deduced levels, J, π. Shell model.

NUCLEAR STRUCTURE 74Cu; calculated levels, B(E2). 62,68,69Ni, 68,70,72,74,67,69,71,73Cu, 68,70,72,74,69,71,73Zn; calculated binding energy. Shell model.

doi: 10.1103/PhysRevC.39.1976
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1989WO05      Phys.Rev. C40, 932 (1989)

A.Wolf, K.Sistemich, H.Mach, R.L.Gill, R.F.Casten, J.A.Winger

Magnetic Moment of the 21+ State in 98Sr

RADIOACTIVITY 98Rb(β-); measured γγ-coin, γγ(θ, H). 100Zr, 98Rb level deduced g. Other data input.

doi: 10.1103/PhysRevC.40.932
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1988MA01      Phys.Rev. C37, 254 (1988)

H.Mach, G.Molnar, S.W.Yates, R.L.Gill, A.Aprahamian, R.A.Meyer

Intruder State Collectivity at a Double Subshell Closure from the Beta Decay of 0- 96gY to the Levels of 96Zr

RADIOACTIVITY 96Y(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, I(ce), γγ-, γ(ce)-coin, γγ(θ); deduced T1/2. 96Zr deduced levels, J, π, T, band structure, deformation parameter.

doi: 10.1103/PhysRevC.37.254
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1988PE11      Phys.Rev. C37, 2704 (1988)

R.F.Petry, J.D.Goulden, F.K.Wohn, J.C.Hill, R.L.Gill, A.Piotrowski

Decay of 101Sr and the Rotational Structure of 101Y

RADIOACTIVITY 101Sr(β-); measured Eγ, Iγ, γ(t), γγ-coin. 101Y deduced levels, J, π, rotational bands, Nilsson assignments. Particle-rotor model.

NUCLEAR STRUCTURE 101Y; calculated levels, bandhead T1/2, relative Iγ. Particle-rotor model.

doi: 10.1103/PhysRevC.37.2704
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1988WI17      Phys.Rev. C38, 285 (1988)

J.A.Winger, J.C.Hill, F.K.Wohn, R.L.Gill, X.Ji, B.H.Wildenthal

Test of the Singly Magic Character of the N = 50 Isotone 83As Populated in 83Ge Decay

RADIOACTIVITY 83Ge(β-); measured T1/2, Eγ, Iγ, γγ-coin; deduced log ft. 83As deduced levels, J, π, β-branching. Ge(Li) detector. Shell model.

doi: 10.1103/PhysRevC.38.285
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1988WO03      Phys.Rev. C37, 1253 (1988)

A.Wolf, R.L.Gill, H.Mach, R.F.Casten, J.A.Winger

Systematics of g Factors in the Neutron-Rich 142,144,146Ba Isotopes

RADIOACTIVITY 142,144,146Cs(β-); measured γγ(θ, H). 142,144,146Ba levels deduced g.

doi: 10.1103/PhysRevC.37.1253
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1987AP01      Phys.Rev.Lett. 59, 535 (1987)

A.Aprahamian, D.S.Brenner, R.F.Casten, R.L.Gill, A.Piotrowski

First Observation of a Near-Harmonic Vibrational Nucleus

RADIOACTIVITY 118Ag(β-) [from 235U(n, F)]; measured Eγ, Eβ, Iγ, Iβ, γγ(θ), γγ-, βγ-coin. 118Cd deduced levels, J, π, γ-branching, B(E2), configurations. Interacting boson approximation calculations.

doi: 10.1103/PhysRevLett.59.535
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1987MA58      Phys.Rev. C36, 2721 (1987)

H.Mach, R.L.Gill

Absolute Gamma Intensities in the A = 98 Transitional Nuclei and Shape Coexistence in 98Y

RADIOACTIVITY 98Rb(β-); 98Sr(β-) [from 98Rb(β-decay)]; 98Y(β-) [from 98Sr(β-decay)]; 98Zr(β-) [from 98Yb(β--decay)]; 98Nb(β-) [from 98Zr(β-decay)]; measured Eγ, Iγ; deduced log ft, absolute Iγ. 98Y deduced levels.

doi: 10.1103/PhysRevC.36.2721
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1987WI13      Phys.Rev. C36, 758 (1987)

J.A.Winger, J.C.Hill, F.K.Wohn, R.Moreh, R.L.Gill, R.F.Casten, D.D.Warner, A.Piotrowski, H.Mach

Decay of 80Zn: Implications for shell structure and r-process nucleosynthesis

RADIOACTIVITY 80Zn(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2, Qβ; deduced log ft. 80Ga deduced levels, J, π, γ-branching. Hyperpure Ge detectors.

doi: 10.1103/PhysRevC.36.758
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1987WO07      Phys.Rev. C36, 1118 (1987)

F.K.Wohn, J.C.Hill, J.A.Winger, R.F.Petry, J.D.Goulden, R.L.Gill, A.Piotrowski, H.Mach

Decay of 100Sr and a ' Pairing-Free ' K(π) = 1+ Rotational Band in Odd-Odd 100Y

RADIOACTIVITY 100Sr(β-) [from 235U(n, F), E=thermal]; measured T1/2, Eγ, Iγ, βγ-, γγ-coin; deduced log ft. 100Y deduced levels, J, π, γ-branching, rotational band characteristics. Hyperpure Ge, Ge(Li) detectors.

doi: 10.1103/PhysRevC.36.1118
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1986FA08      Phys.Rev. C34, 654 (1986)

S.H.Faller, C.A.Stone, J.D.Robertson, C.Chung, N.K.Aras, W.B.Walters, R.L.Gill, A.Piotrowski

Decay of 83-min 139Ba to Levels of 139La and the Decay of 18-min 141Ba to Levels of 141La

RADIOACTIVITY 139Ba(β-) [from neutron irradiation of BaCo3]; measured Compton suppressed Eγ, Iγ, γγ-coin. 141Ba(β-) [from neutron irradiation of BaCo3]; measured γγ(θ), Eγ, Iγ, γγ-coin. 139,141La deduced levels, J, π, γ-branching.

doi: 10.1103/PhysRevC.34.654
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1986FO02      Nucl.Phys. A451, 104 (1986)

B.Fogelberg, C.Stone, R.L.Gill, H.Mach, D.D.Warner, A.Aprahamian, D.Rehfield

g-Factor of the 6+1 State in 132Te

RADIOACTIVITY 132Sb(β-) [from 235U(n, F)]; measured γγ(θ, H, t). 132Te level deduced g. Isotope-separated sources.

doi: 10.1016/0375-9474(86)90244-7
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1986GI05      Phys.Rev. C33, 1030 (1986)

R.L.Gill, D.D.Warner, H.Mach, A.Piotrowski, A.Wolf, J.C.Hill, F.K.Wohn, J.A.Winger, B.Fogelberg

Magnetic Moments of the 2+1 States in 146, 148Ce

RADIOACTIVITY 146,148La(β-) [from 235U(n, F), E=thermal]; measured γγ(θ, H); deduced Z=64 subshell gradual dissipation. 146,148Ce levels deduced g.

doi: 10.1103/PhysRevC.33.1030
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1986GI07      Phys.Rev.Lett. 56, 1874 (1986)

R.L.Gill, R.F.Casten, D.D.Warner, A.Piotrowski, H.Mach, J.C.Hill, F.K.Wohn, J.A.Winger, R.Moreh

Half-Life of 80Zn: The first measurement for an r-process waiting-point nucleus

RADIOACTIVITY 80Zn(β-) [from 235U(n, F), E=thermal]; measured γγ-, βγ-coin, β endpoint spectra; deduced Q, T1/2. 80Ga deduced levels, γ-branching.

doi: 10.1103/PhysRevLett.56.1874
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1986GI14      Phys.Rev. C34, 1983 (1986)

R.L.Gill, D.D.Warner, A.Wolf, J.A.Winger

g Factor of the 21+ State in 142Ba

RADIOACTIVITY 142Cs(β-) [from 235U(n, F), E=thermal]; measured γγ(θ, H). 142Ba level deduced g. Hydrodynamic model, interacting boson approximation.

doi: 10.1103/PhysRevC.34.1983
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1986HI02      Phys.Rev. C33, 1727 (1986)

J.C.Hill, J.A.Winger, F.K.Wohn, R.F.Petry, J.D.Goulden, R.L.Gill, A.Piotrowski, H.Mach

Identification and Decay of Neutron-Rich 102Sr and Level Structure of A ≈ 100 Y Nuclei

RADIOACTIVITY 102Sr(β-) [from 235U(n, F), E=thermal]; measured T1/2, Eγ, Iγ, γγ-coin; deduced log ft. 102Y deduced levels, J, π. Ge detector.

doi: 10.1103/PhysRevC.33.1727
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1986HI08      Phys.Rev. C34, 2312 (1986)

J.C.Hill, F.K.Wohn, K.Leininger, J.A.Winger, M.E.Nieland, R.L.Gill, A.Piotrowski, R.F.Petry, J.D.Goulden

Level Structure of 148Ba: A test of the N(p)N(n) scheme far off stability

RADIOACTIVITY 148Cs(β-); measured T1/2, Eγ, Iγ, γγ-coin. 148Ba deduced levels, J, π, E(2+), E(2+)/E(4+) systematics. Valence nucleon product model.

doi: 10.1103/PhysRevC.34.2312
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1986MA12      Phys.Rev.Lett. 56, 1547 (1986)

H.Mach, A.Piotrowski, R.L.Gill, R.F.Casten, D.D.Warner

Identification of Four Neutron-Rich Rare-Earth Isotopes

RADIOACTIVITY 156Pm, 157,158,159,160Sm, 160,161,162Eu(β-) [from 235U(n, F), E=thermal]; measured γγ-, (X-ray)γ-coin; deduced T1/2.

doi: 10.1103/PhysRevLett.56.1547
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1986MA42      Phys.Rev. C34, 1117 (1986)

H.Mach, R.L.Gill, D.D.Warner, A.Piotrowski, R.Moreh

Half-Life Measurements for Neutron-Rich Ag and Cd Nuclei

RADIOACTIVITY 123Ag, 123,123m,124,125,125m,127,128Cd(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ(t); deduced T1/2.

doi: 10.1103/PhysRevC.34.1117
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1986RO17      Phys.Rev. C34, 1012 (1986)

J.D.Robertson, S.H.Faller, W.B.Walters, R.L.Gill, H.Mach, A.Piotrowski, E.F.Zganjar, H.Dejbakhsh, R.F.Petry

Decay of 145Cs to Levels of 145Ba

RADIOACTIVITY 145Cs(β-); measured Eγ, Iγ, γγ-coin, γγ(θ), I(ce). 145Ba deduced levels, J, π, γ-branching, γ-multipolarity, ICC. Ge(Li), hyperpure Ge detectors.

doi: 10.1103/PhysRevC.34.1012
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1986WA06      Phys.Rev. C33, 1036 (1986)

W.B.Walters, N.K.Aras, C.A.Stone, C.Chung, R.L.Gill, M.Shmid, E.A.Henry, R.A.Meyer

Isomerism in 148Pr and the Low-Lying Levels of 148Nd

RADIOACTIVITY 148Pr(β-) [from 235U(n, F), 148Nd(n, p)]; measured Eγ, Iγ, γγ(t); deduced isomers, T1/2. 148Nd deduced levels, J, π, γ-branching.

doi: 10.1103/PhysRevC.33.1036
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1986WO01      Phys.Rev. C33, 677 (1986)

F.K.Wohn, J.C.Hill, C.B.Howard, K.Sistemich, R.F.Petry, R.L.Gill, H.Mach, A.Piotrowski

Shape Coexistence and Level Structure of 100Zr from Decay of the Low-Spin Isomer of 100Y

NUCLEAR STRUCTURE 100Zr, 98Sr, 102Mo; calculated B(E2), ratios, transition density; deduced shape coexistent deformed, spherical band mixing.

RADIOACTIVITY 100Y(β-) [from 235U(n, F), 100Sr(β--decay)]; measured T1/2, Eγ, Iγ, γγ-coin, I(ce); deduced log ft. 100Zr deduced levels, J, π, B(E2), transition density. 100Y level deduced possible J, π. 100Sr(β-); measured T1/2.

doi: 10.1103/PhysRevC.33.677
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1985BE04      Phys.Rev. C31, 570 (1985)

Z.Berant, A.Wolf, J.C.Hill, F.K.Wohn, R.L.Gill, H.Mach, M.Rafailovich, H.Kruse, B.H.Wildenthal, G.Peaslee, A.Aprahamian, J.Goulden, C.Chung

g Factor of 4+1 States in the N = 82 Isotones 136Xe and 138Ba

RADIOACTIVITY 136I, 138Cs(β-); measured γγ(θ, H, t). 136Xe, 138Ba levels deduced g.

doi: 10.1103/PhysRevC.31.570
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1985BE20      Phys.Lett. 156B, 159 (1985)

Z.Berant, R.L.Gill, M.H.Rafailovich, R.E.Chrien, J.C.Hill, F.K.Wohn, R.F.Petry, C.Chung, G.Peaslee, M.Mohsen

The g-Factor of the (7/2)+ 1264.4 keV Level in 97Zr

RADIOACTIVITY 97Y(β-) [from 235U(n, F)]; measured γγ(θ, H, t). 97Zr level deduced T1/2, g.

doi: 10.1016/0370-2693(85)91500-X
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1985CH16      Phys.Rev. C31, 2199 (1985)

C.Chung, W.B.Walters, D.S.Brenner, R.L.Gill, M.Shmid, Y.Y.Chu, R.E.Chrien, L.-J.Yuan, F.K.Wohn, R.A.Meyer

Decay of 2.2-sec 14656Ba90 to Levels of Odd-Odd 14657La89

RADIOACTIVITY 146Ba(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, T1/2, γγ(t), γγ(θ); deduced log ft. 146La deduced levels, J, π, Iβ, δ. Mass separated 146Ba activity, Ge(Li), Ge, planar detectors.

doi: 10.1103/PhysRevC.31.2199
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1985FO03      Phys.Rev. C31, 1026 (1985)

B.Fogelberg, A.Aprahamian, R.L.Gill, H.Mach, D.Rehfield

Three β-Decay Isomers of 130In

RADIOACTIVITY 130In(β-) [from 235U(n, F), E=thermal]; measured Eβ, Iβ, βγ-coin; deduced Qβ, mass excess, isomers, J, π.

doi: 10.1103/PhysRevC.31.1026
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1985HI05      Hyperfine Interactions 22, 449 (1985)

J.C.Hill, F.K.Wohn, A.Wolf, Z.Berant, R.L.Gill, H.Kruse

Study of Magnetic Moments of Nuclear Excited States at TRISTAN

NUCLEAR STRUCTURE 134Te, 136Xe, 138Ba, 140Ce; calculated g. Shell model.

RADIOACTIVITY 136I, 138Cs(β-) [from 235U(n, F), E=thermal]; measured γγ(θ, H), γ(θ). 136Xe, 138Ba deduced levels, g, γ-branching.

doi: 10.1007/BF02064016
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1985PE02      Phys.Rev. C31, 621 (1985)

R.F.Petry, H.Dejakhsh, J.C.Hill, F.K.Wohn, M.Shmid, R.L.Gill

Rotational Structure of Highly Deformed 99Y: Decay of 99Sr

RADIOACTIVITY 99Sr(β-) [from 235U(n, F), E=reactor]; measured T1/2, Eγ, Iγ, γγ-coin; deduced log ft. 99Y deduced levels, J, π, rotational bands, Nilsson assignments. Ge detectors, mass separated activity.

doi: 10.1103/PhysRevC.31.621
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1985RE01      Phys.Rev. C31, 1029 (1985)

P.L.Reeder, R.A.Warner, R.M.Liebsch, R.L.Gill, A.Piotrowski

Delayed Neutron Precursor 75Cu

RADIOACTIVITY 75Cu(β-); measured T1/2; deduced neutron emission probability, (Qβ-B(n)). On-line mass separator, 3He proportional counter for neutrons, surface barrier Si counter for β-particles.

doi: 10.1103/PhysRevC.31.1029
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1985RO13      Z.Phys. A321, 705 (1985)

J.D.Robertson, W.B.Walters, S.F.Faller, C.A.Stone, R.L.Gill, A.Piotrowski

The Beta Decay of 139I

RADIOACTIVITY 139I(β-) [from on-line mass separation]; measured Eγ, Iγ, γγ(t). 139Xe deduced levels, γ-branching, possible J, π.

doi: 10.1007/BF01432453
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1984AP04      Phys.Lett. 140B, 22 (1984)

A.Aprahamian, D.S.Brenner, R.F.Casten, R.L.Gill, A.Piotrowski, K.Heyde

Observation of 0+ States in 118Cd and the Systematics of Intruder States

NUCLEAR STRUCTURE 104,106,108,110,112,114,116,118,120,122,124Cd; calculated levels, B(E2) ratios. Schematic model.

RADIOACTIVITY 118Ag(β-) [from 235U(n, F), mass separation]; measured γγ-coin, γγ(θ). 118Cd deduced levels, J, π, γ-branching, B(E2), configurations.

doi: 10.1016/0370-2693(84)91039-6
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1984CH02      Phys.Rev. C29, 592 (1984)

C.Chung, W.B.Walters, N.K.Aras, F.K.Wohn, D.S.Brenner, Y.Y.Chu, M.Shmid, R.L.Gill, R.E.Chrien, L.-J.Yuan

Decay of 0.61-s 148Ba to Levels of Odd-Odd 148La

RADIOACTIVITY 148Ba(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ(t); deduced T1/2. 148La deduced levels, Iβ, J, π, T1/2, ICC, γ-multipolarity. Mass separated source.

doi: 10.1103/PhysRevC.29.592
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1984HI03      Phys.Rev. C29, 1078 (1984)

J.C.Hill, F.K.Wohn, Z.Berant, R.L.Gill, R.E.Chrien, C.Chung, A.Aprahamian

Identification and Decay of 124Ag

RADIOACTIVITY 124Ag(β-) [from 235U(n, F)]; measured Eγ, Iγ, γγ-coin, T1/2. 124Cd(β-) [from 235U(n, F)]; measured T1/2. 124Cd deduced levels, J, π. Mass separated sources.

doi: 10.1103/PhysRevC.29.1078
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1984PI16      Nucl.Instrum.Methods 224, 1 (1984)

A.Piotrowski, R.L.Gill, D.C.McDonald

A New Tristan Thermal Ion Source

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission yields of Ce, Pr, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Ga, Ge, As, Y, Zr, Nb, In, Sn, Sb.

doi: 10.1016/0167-5087(84)90441-1
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1983AR15      Can.J.Chem. 61, 780 (1983)

N.K.Aras, C.Chung, S.Faller, C.A.Stone, W.B.Walters, R.L.Gill, M.Shmid, R.E.Chrien

The Decay of 56-s 148Ce to Levels of Odd - Odd 148Pr

RADIOACTIVITY 148Ce(β-) [from fission product on-line mass separation]; measured Eγ, Iγ, γγ-coin, T1/2. 148Pr deduced levels, J, π, tentative γ-multipolarity.

doi: 10.1139/v83-144
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1983CH39      Phys.Rev. C28, 2099 (1983)

C.Chung, W.B.Walters, D.S.Brenner, A.Aprahamian, R.L.Gill, M.Shmid, R.E.Chrien, L.-J.Yuan, A.Wolf, Z.Berant

Decay of 142Ba to Levels of Odd-Odd 142La

RADIOACTIVITY 142Ba(β-) [from 235U(n, F), E=thermal]; measured Eγ, Iγ, Eβ, γγ(t, θ), γγ(θ), βγ-coin; deduced Qβ, log ft. 142La deduced levels, J, π, Iβ, δ, ICC, T1/2. Hyperpure Ge, β, γ detectors, mass separated sources.

doi: 10.1103/PhysRevC.28.2099
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1983GI04      Phys.Rev. C27, 1732 (1983)

R.L.Gill, M.Shmid, R.E.Chrien, Y.Y.Chu, A.Wolf, D.S.Brenner, K.Sistemich, F.K.Wohn, H.Yamamoto, C.Chung, W.B.Walters

Levels in 148Ce from the Decay of Mass Separated 148La

RADIOACTIVITY 148La(β-) [from 235U(n, F), E=thermal]; measured T1/2, Eγ, Iγ, γγ(t), γγ(θ). 148Ce deduced levels, J, π, Iβ. Hyperpure Ge, Ge(Li) detectors.

NUCLEAR STRUCTURE 144,146,150Ce; calculated levels. 148Ce; calculated levels, B(E2) ratios. Interacting boson approximation calculations.

doi: 10.1103/PhysRevC.27.1732
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1983RE05      Phys.Rev. C27, 3002 (1983)

P.L.Reeder, R.A.Warner, R.L.Gill

Half-Lives and Emission Probabilities of Delayed Neutron Precursors 121-124Ag

NUCLEAR REACTIONS 235U(n, F), E not given; measured β-delayed En, In, β-spectra; deduced evidence for 124Ag, 123Cd.

RADIOACTIVITY 120,121,122,123,124Ag(β-n) [from 235U(n, F)]; measured T1/2, β-delayed En, In, β-delayed neutron emission probabilities. 122,123,124Cd(β-) [from 235U(n, F)]; measured β-decay; deduced T1/2. On-line separation.

doi: 10.1103/PhysRevC.27.3002
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1983SH20      Nucl.Instrum.Methods 211, 287 (1983)

M.Shmid, R.L.Gill, C.Chung

Comparison between Solid Graphite and Graphite Cloth as a Target Backing Material for an ISOL System

NUCLEAR REACTIONS 235U(n, F), E=thermal; measured absolute production rates for 90,91,92,93,94,95,96,97,98,99Rb, 94,95,96,97,98Sr, 122,123,124,125,126,127,128,129,130,131,132In, 140,141,142,143,144,145,146,147Cs, 142,143,144,145,146,147,148Ba, 148,149,150Pr, 149,152Nd, 152Pm fission products. Surface ionization chamber, temperature variation, solid graphite, graphite cloth targets.

doi: 10.1016/0167-5087(83)90249-1
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1983WA11      Phys.Lett. 125B, 351 (1983)

W.B.Walters, C.Chung, D.S.Brenner, A.Aprahamian, R.L.Gill, R.E.Chrien, M.Shmid, A.Wolf, L.-J.Yuan

Parabolic Energy dependence of Odd-Odd Multiplets in N = 83 Nuclides

NUCLEAR STRUCTURE 146Eu, 144Pm, 142Pr, 140La; analyzed level splitting, B(E2) data; deduced quasiparticle blocking effect. Odd proton, neutron quadrupole interaction.

doi: 10.1016/0370-2693(83)91300-X
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1983WO03      Nucl.Instrum.Methods 206, 397 (1983)

A.Wolf, C.Chung, W.B.Walters, G.Peaslee, R.L.Gill, M.Shmid, V.Manzella, E.Meier, M.L.Stelts, H.I.Liou, R.E.Chrien, D.S.Brenner

A Four-Detector System for γ-γ Angular Correlation Studies

RADIOACTIVITY 152Eu(EC), (β+); 146La(β-) [from 146Ba decay]; measured γγ(θ). 146Ce deduced dipole transitions. Multiple detector system.

doi: 10.1016/0167-5087(83)90375-7
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1983WO05      Phys.Lett. 123B, 165 (1983)

A.Wolf, Z.Berant, D.D.Warner, R.L.Gill, M.Shmid, R.E.Chrien, G.Peaslee, H.Yamamoto, J.C.Hill, F.K.Wohn, C.Chung, W.B.Walters

Magnetic Moments of 2+1 States as a Probe of the Effective Proton Boson Number near the Z = 64 Subshell

NUCLEAR STRUCTURE 144,146Ba, 146,148,150Nd, 148,150,152,154Sm, 154,156Gd; calculated 2+ level μ. Interacting boson model.

RADIOACTIVITY 144,146Ba(β-); measured γγ(θ, H). 144,146Ba levels deduced g. Interacting boson model.

doi: 10.1016/0370-2693(83)90414-8
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1983WO09      Phys.Rev. C28, 352 (1983)

A.Wolf, C.Chung, W.B.Walters, R.L.Gill, M.Shmid, R.E.Chrien, G.Peaslee

Gamma-Gamma Angular Correlation Studies for 142Ce

RADIOACTIVITY 142La(β-) [from 235U(n, F), E=thermal]; measured γγ(θ). 142Ce levels deduced J, π, δ. Mass separation, Ge detectors.

doi: 10.1103/PhysRevC.28.352
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1983WO10      Phys.Rev.Lett. 51, 873 (1983)

F.K.Wohn, J.C.Hill, R.F.Petry, H.Dejbakhsh, Z.Berant, R.L.Gill

Rotational Structure and Nilsson Orbitals for Highly Deformed Odd-A Nuclei in the A ≈ 100 Region

RADIOACTIVITY 99Rb, 99,101Sr, 101Y(β-) [from on-line separation]; measured T1/2. 99Sr, 99,101Y, 101Zr deduced levels, tentative J, π, γ-branching, rotational band structure, Nilsson assignments, moment of inertia, deformation characteristics.

doi: 10.1103/PhysRevLett.51.873
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1982BR23      Phys.Rev. C26, 2166 (1982)

D.S.Brenner, M.K.Martel, A.Aprahamian, R.E.Chrien, R.L.Gill, H.I.Liou, M.Shmid, M.L.Stelts, A.Wolf, F.K.Wohn, D.M.Rehfield, H.Dejbakhsh, C.Chung

Q Values for Neutron-Rich Rubidium and Lanthanum Isotopes

RADIOACTIVITY 88Rb(β-), 94Rb(β-), 96Rb(β-), 98Rb(β-), 146La(β-), 148La(β-) [from 235U(n, F)]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin; deduced Qβ, mass excess. On-line mass separation, Ge(Li), hyperpure Ge detectors.

doi: 10.1103/PhysRevC.26.2166
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1982CH22      Phys.Rev. C26, 1198 (1982)

C.Chung, W.B.Walters, R.Gill, M.Shmid, R.E.Chrien, D.S.Brenner

Decay of Neutron-Rich 144Ba to Levels of 144La

RADIOACTIVITY 144Ba [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin, γγ(θ), T1/2, γγ(t), γ(t), I(K X-ray)/Iγ; deduced log ft, Iβ. 144La deduced levels, J, π, δ, ICC. Hyperpure Ge, Ge(Li) detectors, low energy photon spectrometer. Mass separated source.

doi: 10.1103/PhysRevC.26.1198
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1982GI14      Phys.Lett. 118B, 251 (1982)

R.L.Gill, R.F.Casten, D.D.Warner, D.S.Brenner, W.B.Walters

IBA Calculations near the Z = 64 Subshell

NUCLEAR STRUCTURE 142Ba, 144Ce, 146Nd, 148Sm; calculated levels. Neutron-proton interacting boson model.

doi: 10.1016/0370-2693(82)90178-2
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1982YA04      Phys.Rev. C26, 1215 (1982)

H.Yamamoto, F.K.Wohn, K.Sistemich, A.Wolf, W.B.Walters, C.Chung, R.L.Gill, M.Shmid, R.E.Chrien, D.S.Brenner

Decay of Mass-Separated 141Cs to 141Ba and Systematics of N = 85 Isotones

RADIOACTIVITY 141Cs [from 235U(n, F), E=thermal]; measured Eγ, Iγ, γγ-coin, γγ(t), E(X-ray), I(X-ray); deduced log ft. 141Ba deduced levels, J, π, ICC, β-branching, δ(E2/M1). Mass separated source. Hyperpure Ge, Ge(Li) detectors.

doi: 10.1103/PhysRevC.26.1215
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1981CA12      Phys.Rev.Lett. 47, 1433 (1981)

R.F.Casten, D.D.Warner, D.S.Brenner, R.L.Gill

Relation between the Z = 64 Shell Closure and the Onset of Deformation at N = 88-90

NUCLEAR STRUCTURE 142,144,146Ba, 144,146,148,150Ce, 146,148,150,152,154Nd, 148,150,152,154,156,158Sm, 150,152,154,156,158,160Gd, 152,154,156,160,162Dy, 154,156,158,160,162,164Er, 156,158,160,162,164,166Yb; analyzed E(2), E(4) systematics; deduced shell closure effects at Z=64.

doi: 10.1103/PhysRevLett.47.1433
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1981GI17      Nucl.Instrum.Methods 186, 243 (1981)

R.L.Gill, M.L.Stelts, R.E.Chrien, V.Manzella, H.Liou

A Versatile Data Acquisition System and the ISOL Facility TRISTAN

doi: 10.1016/0029-554X(81)90912-5
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1981RE05      Phys.Rev.Lett. 47, 483 (1981)

P.L.Reeder, R.A.Warner, T.R.Yeh, R.E.Chrien, R.L.Gill, M.Shmid, H.I.Liou, M.L.Stelts

Beta-Delayed Two-Neutron Emission from 98Rb

RADIOACTIVITY 98Rb [from 235U(n, F), E=thermal, on-line separation]; measured β-delayed nn(t); deduced two-neutron emission probability.

doi: 10.1103/PhysRevLett.47.483
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1974BE48      Nucl.Phys. A230, 141 (1974)

J.R.Beene, J.Asher, N.Ayres de Campos, R.D.Gill, M.A.Grace, W.L.Randolph

Hyperfine Structure in Highly Ionized 13C Atoms and the Magnetic Moment of the 5/2+ State at 3.85 MeV

NUCLEAR REACTIONS 2H(12C, pγ), E=15 MeV; measured pγ(θ), DSA, pγ(θ, t). 13C level deduced g, T1/2, γ-mixing.

doi: 10.1016/0375-9474(74)90534-X
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