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NSR database version of May 22, 2024.

Search: Author = J.D.Robertson

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2021SH10      Phys.Rev. C 103, 024614 (2021)

J.A.Shusterman, N.D.Scielzo, E.P.Abel, H.K.Clause, N.D.Dronchi, W.D.Frey, N.Gharibyan, J.A.Hart, C.S.Loveless, S.R.McGuinness, L.T.Sutherlin, K.J.Thomas, S.E.Lapi, J.D.Robertson, M.A.Stoyer, E.B.Norman, G.F.Peaslee, G.W.Severin, D.A.Shaughnessy

Aqueous harvesting of 88Zr at a radioactive-ion-beam facility for cross-section measurements

NUCLEAR REACTIONS 88Zr, 88Y(n, γ), E=thermal, [secondary 88Zr beam from 9Be(92Mo, X)88Zr, E=140 MeV/nucleon, and deposited in a water cell]; measured capture σ and resonance integrals by irradiating 88Zr deposited activity at the reactor facilities of the University of Missouri Research Reactor (MURR) and the McClellan Nuclear Research Center (MNRC) of UC-Davis. 9Be(92Mo, X)88Zr, E=140 MeV/nucleon; measured reaction fragments separated by A1900 separator, and detected by particle identification detector (PID) via energy-loss and time-of-flight measurements, finally deposited the secondary beam in the water target irradiation cell of an aqueous harvesting end station, and also deposited in a graphite puck at NSCL-MSU cyclotron facility. 81,82,83,84Rb, 81,84,85,86Sr, 84,85,86m,86,87m,87Y, 86,87,88,89Zr, 89,90,91Nb; measured Eγ, Iγ; deduced production rates in PID detector, and in activity collected in a graphite puck, with dominant component of 88Zr, and 88Y as its decay product.

doi: 10.1103/PhysRevC.103.024614
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14697.


2019AB12      J.Phys.(London) G46, 100501 (2019)

E.P.Abel, M.Avilov, V.Ayres, E.Birnbaum, G.Bollen, G.Bonito, T.Bredeweg, H.Clause, A.Couture, J.DeVore, M.Dietrich, P.Ellison, J.Engle, R.Ferrieri, J.Fitzsimmons, M.Friedman, D.Georgobiani, S.Graves, J.Greene, S.Lapi, C.S.Loveless, T.Mastren, C.Martinez-Gomez, S.McGuinness, W.Mittig, D.Morrissey, G.Peaslee, F.Pellemoine, J.D.Robertson, N.Scielzo, M.Scott, G.Severin, D.Shaughnessy, J.Shusterman, J.Singh, M.Stoyer, L.Sutherlin, A.Visser, J.Wilkinson

Isotope harvesting at FRIB: additional opportunities for scientific discovery

doi: 10.1088/1361-6471/ab26cc
Citations: PlumX Metrics


2019SH01      Nature(London) 565, 328 (2019)

J.A.Shusterman, N.D.Scielzo, K.J.Thomas, E.B.Norman, S.E.Lapi, C.S.Loveless, N.J.Peters, J.D.Robertson, D.A.Shaughnessy, A.P.Tonchev

The surprisingly large neutron capture cross-section of 88Zr

NUCLEAR REACTIONS 88Zr(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced σ.

doi: 10.1038/s41586-018-0838-z
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14520.


1996TO08      Z.Phys. A355, 225 (1996)

K.S.Toth, J.C.Batchelder, D.M.Moltz, J.D.Robertson

Identification of 180Pb

NUCLEAR REACTIONS 144Sm(40Ca, 4n), E=230 MeV; measured Eα, Iα; deduced evidence for 180Pb.

RADIOACTIVITY 180Pb(α) [from 144Sm(40Ca, 4n), E=230 MeV]; measured Eα, Iα, T1/2; deduced mass excess.

doi: 10.1007/s002180050103
Citations: PlumX Metrics


1995ST28      Phys.Scr. T56, 316 (1995)

C.A.Stone, J.D.Robertson, S.H.Faller, P.F.Mantica, B.E.Zimmerman, C.Chung, W.B.Walters

Systematic Features of the Structure of the Heavy Odd-Mass Sb Nuclides Near the N = 82 Closed Shell

RADIOACTIVITY 127,129,131Sn(β-) [from 235U(n, F), E=thermal]; analyzed β-decay data. 127,129,131Sb deduced levels, J, π. 125,127,129,131,133Sb, 125,127,129Sn, 127,129,131In; analyzed levels, other data systematics.

doi: 10.1088/0031-8949/1995/T56/058
Citations: PlumX Metrics


1994MO42      Nucl.Instrum.Methods Phys.Res. A349, 210 (1994)

D.M.Moltz, J.D.Robertson, J.C.Batchelder, J.Cerny

Development of Low-Energy Proton Detector Telescopes

RADIOACTIVITY 25Si(β+p) [from 24Mg(3He, 2n), E=40 MeV]; measured β-decay Ep, Ip; deduced proton detector characteristics. One or two gas ΔE detectors followed by silicon E detector.

doi: 10.1016/0168-9002(94)90622-X
Citations: PlumX Metrics


1993MA39      Phys.Rev. C48, 1579 (1993)

P.F.Mantica, J.D.Robertson, E.M.Baum, W.B.Walters

Level Structure of the Odd Mass Pr Isotopes. III. Levels of 147Pr88 Populated in the Beta Decay of 56-s 147Ce

RADIOACTIVITY 147Ce(β-); measured Eγ, Iγ, γγ-coin, I(ce). 147Pr deduced levels, J, π, γ-multipolarity, ICC. Model comparison.

NUCLEAR STRUCTURE 142,144,146,148Ce, 144,146,148,150Nd; calculated total routhian surface plots. 145,149Pr; calculated levels. 147Pr; calculated levels, B(λ), ratios. Particle plus triaxial rotor model.

doi: 10.1103/PhysRevC.48.1579
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1993MO14      Nucl.Phys. A562, 111 (1993)

D.M.Moltz, J.D.Robertson, E.B.Norman, J.Burde, C.W.Beausang

Low-Lying Level Structure of 73Kr

NUCLEAR REACTIONS, ICPND 16O, 40Ca(36Ar, n2p), E ≈ 90-110 MeV; measured nγγ-coin; deduced σ(E). 73Kr deduced levels.

doi: 10.1016/0375-9474(93)90035-V
Citations: PlumX Metrics


1993RO06      Phys.Rev. C47, 1455 (1993)

J.D.Robertson, D.M.Moltz, T.F.Lang, J.E.Reiff, J.Cerny, B.H.Wildenthal

Beta-Delayed Proton Decay of 25Si

NUCLEAR REACTIONS 24Mg(3He, 2n), E=40 MeV; measured β-delayed proton spectra.

RADIOACTIVITY 25Si(β+p) [from 24Mg(3He, 2n), E=40 MeV]; measured β-delayed Ep, Ip; deduced log ft. 25Al deduced levels, J, π, T, branching ratios, Gamow-Teller transition strength.

doi: 10.1103/PhysRevC.47.1455
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1990LA14      Phys.Rev. C42, R1175 (1990)

T.F.Lang, D.M.Moltz, J.E.Reiff, J.C.Batchelder, J.Cerny, J.D.Robertson, C.W.Beausang

Identification of the πg9/2 Band in 67As

NUCLEAR REACTIONS 40Ca(32S, pα), (33S, pnα), E=95-110 MeV; measured Eγ, Iγ, γγ(θ), γ(θ), γγ-, nγγ-, αγγ-coin. 67As deduced levels, J, π.

doi: 10.1103/PhysRevC.42.R1175
Citations: PlumX Metrics


1990RO15      Phys.Rev. C42, 1922 (1990)

J.D.Robertson, J.E.Reiff, T.F.Lang, D.M.Moltz, J.Cerny

Search for Ground State Proton Emission from 65As and 69Br

RADIOACTIVITY 65As [from 40Ca(28Si, 2np), E=175 MeV; 40Ca(32S, 2npα), E=200 MeV]; 69Br [from 40Ca(32S, 2np), E=200 MeV]; measured β-delayed proton emission T1/2 upper limit.

doi: 10.1103/PhysRevC.42.1922
Citations: PlumX Metrics


1989BA14      Phys.Rev. C39, 1514 (1989)

E.M.Baum, J.D.Robertson, P.F.Mantica, Jr., S.H.Faller, C.A.Stone, W.B.Walters, R.A.Meyer, D.F.Kusnezov

Level Structure of Odd-Mass Pr Isotopes: Decay of 3.0-min 145Ce to levels of 145Pr

RADIOACTIVITY 145Ce(β-) [from 235U(n, F)]; measured E(γ), I(γ), γγ(θ), I(ce). 145Pr deduced levels, I(β), ICC, J, π, γ-multipolarity. 145Ce level deduced π. Mass separated source. Interacting boson-fermion model.

NUCLEAR STRUCTURE 143,145Pr; calculated levels, wave functions. Interacting boson-fermion model.

doi: 10.1103/PhysRevC.39.1514
Citations: PlumX Metrics


1989RE02      Nucl.Instrum.Methods Phys.Res. A276, 228 (1989)

J.E.Reiff, M.A.C.Hotchkis, D.M.Moltz, T.F.Lang, J.D.Robertson, J.Cerny

A Fast In-Beam Recoil Catcher Wheel and the Observation of Beta-Delayed Two-Proton Emission from 31Ar

NUCLEAR REACTIONS Mg(3He, X), E=110, 135 MeV; measured β-delayed proton spectra for 17Ne, 21Mg, 25Si, 22Al, 31Ar. Fast in-beam recoil catcher foil wheel.

RADIOACTIVITY 17Ne, 21Mg, 25Si(β+p) [from Mg(3He, X), E=110 MeV]; measured β-delayed proton spectra. 22Al, 31Ar(β+p) [from Mg(3He, X), E=135 MeV]; measured β-delayed two-proton spectra. 31Ar deduced Q(EC), mass excess, possible T1/2, decay systematics. 31Cl deduced IAS energy, possible decay systematics.

doi: 10.1016/0168-9002(89)90637-2
Citations: PlumX Metrics


1989RO20      Phys.Rev. C40, 2804 (1989)

J.D.Robertson, P.F.Mantica, Jr., S.H.Faller, C.A.Stone, E.M.Baum, W.B.Walters

Search for Reflection Asymmetric Structures in the A = 145 Mass Region: Decays of 1.8-s 143Cs to levels of 143Ba and 4.1-s 147La to levels of 147Ce

RADIOACTIVITY 143Cs, 147La(β-); measured Eγ, Iγ, γγ-coin, γγ(θ). 143Ba, 147Ce deduced levels, J, π.

doi: 10.1103/PhysRevC.40.2804
Citations: PlumX Metrics


1989TO01      Phys.Rev. C39, 1150 (1989)

K.S.Toth, D.M.Moltz, J.D.Robertson

Identification of 181Pb in 40Ca Irradiations of 144Sm

RADIOACTIVITY 181Pb(α) [from 144Sm(40Ca, 3n), E=212, 201 MeV]; measured decay products, Eα, Iα; deduced mass excess, T1/2.

NUCLEAR REACTIONS 144,147Sm(40Ca, xn), E=275, 265 MeV; 144Sm(40Ca, xn), E=201 MeV; measured E(α), I(α); deduced evidence for 181Pb. 183Pb deduced α-branching, E(α), mass, Q(α) correction.

doi: 10.1103/PhysRevC.39.1150
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1988FA03      Phys.Rev. C38, 307 (1988)

S.H.Faller, J.D.Robertson, E.M.Baum, Chien Chung, C.A.Stone, W.B.Walters

Decay of 143Ba to Levels of the Odd-Proton N = 86 Nuclide 143La

RADIOACTIVITY 143Ba(β-) [from 143Cs-decay]; measured Eγ, Iγ, γγ-coin, γγ(θ), I(ce). 143La deduced levels, γ multipolarity, J, π. Mass separted source.

doi: 10.1103/PhysRevC.38.307
Citations: PlumX Metrics


1988FA06      Phys.Rev. C38, 905 (1988)

S.H.Faller, P.F.Mantica, Jr., E.M.Baum, Chien Chung, J.D.Robertson, C.A.Stone, W.B.Walters

Decay of 139,141,143Xe to Levels of 139,141,143Cs

RADIOACTIVITY 139,141,143Xe(β-) [from mass separated fission products]; measured Eγ, Iγ, I(ce), γγ(θ). 139Cs deduced levels, J, π, ICC. 141Cs deduced level, Iβ, J, π. 143Xe deduced T1/2. 143Cs deduced level.

doi: 10.1103/PhysRevC.38.905
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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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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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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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