NSR Query Results

Output year order : Descending
Format : Normal

NSR database version of April 27, 2024.

Search: Author = J.D.Robertson

Found 20 matches.

Back to query form

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,87}Y, ^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, T_1/2; 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. ^{125,127,129,131,133}Sb, ^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 ^{142,144,146,148}Ce, ^{144,146,148,150}Nd; 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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 πg_9/2 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 T_1/2 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 T_1/2, 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, T_1/2.

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
Citations: PlumX Metrics

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 T_1/2. ¹⁴³Cs deduced level.

doi: 10.1103/PhysRevC.38.905
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics