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NSR database version of May 20, 2024.

Search: Author = D.S.Jamieson

Found 9 matches.

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2019LE11      Phys.Rev. C 100, 014320 (2019)

K.G.Leach, J.D.Holt, P.E.Garrett, S.R.Stroberg, G.C.Ball, P.C.Bender, V.Bildstein, A.Diaz Varela, R.Dunlop, T.Faestermann, B.Hadinia, R.Hertenberger, D.S.Jamieson, B.Jigmeddorj, R.Krucken, A.T.Laffoley, A.J.Radich, E.T.Rand, C.E.Svensson, S.Triambak, H.-F.Wirth

High-resolution (p, t) reaction measurements as spectroscopic tests of ab-initio theory in the mid-pf shell

NUCLEAR REACTIONS 52Cr, 64Zn(p, t), (p, p), E=24 MeV; measured Ep, Ip, E(t), I(t), differential σ(θ) using Q3D spectrometer at the MLL, Garching tandem accelerator facility; deduced optical model parameters. 50Cr, 62Zn; deduced levels, J, π. Comparison with ab-initio shell-model calculations using chiral effective field theory with the valence-space in-medium similarity renormalization group method (VS-IMSRG), and with evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.100.014320
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2165. Data from this article have been entered in the XUNDL database. For more information, click here.


2018GA22      Acta Phys.Pol. B49, 229 (2018)

P.E.Garrett, K.G.Leach, A.D.MacLean, G.C.Ball, P.C.Bender, V.Bildstein, B.A.Brown, C.Burbadge, A.Diaz Varela, R.Dunlop, T.Faestermann, B.Hadinia, R.Hertenberger, J.D.Holt, A.T.Laffoley, D.S.Jamieson, B.Jigmeddorj, A.J.Radich, E.T.Rand, S.R.Stroberg, C.E.Svensson, I.S.Towner, S.Triambak, H.-F.Wirth

Nuclear Structure Studied with Direct Reactions for Fundamental Symmetry Tests

NUCLEAR REACTIONS 52Cr(p, t)50Cr;64Zn(p, t)62Zn, E=24 MeV; measured reaction products momenta using Q3D magnetic spectrograph, Eγ, Iγ, γγ-coin; deduced peaks in triton spectra, σ(θ) vs θcm for reactions to given final states, angular correlation measurement of 1389-954 keV cascade in 62Zn following the β+/EC decay of 62Ga (preliminary).

doi: 10.5506/APhysPolB.49.229
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2018JA16      Phys.Rev. C 98, 044309 (2018)

D.S.Jamieson, P.E.Garrett, G.C.Ball, G.A.Demand, T.Faestermann, P.Finlay, K.L.Green, R.Hertenberger, K.G.Leach, A.A.Phillips, C.S.Sumithrarachchi, S.Triambak, H.-F.Wirth

Nuclear structure of 112Cd studied through the 111Cd (d-pol, p) reaction

NUCLEAR REACTIONS 111Cd(polarized d, p), E=22 MeV; measured E(p), I(p), differential σ(θ), and analyzing powers Ay(θ) using Q3D magnetic spectrograph and a position-sensitive cathode-strip detector for particle identification at the Maier-Leibnitz Laboratory in Garching. 112Cd; deduced levels, J, π, L-transfers, orbital assignments, two-quasineutron configurations, (2j+1) sum rule and spectroscopic factors. Comparison with DWBA and adiabatic distorted wave approximation (ADWA) calculations.

doi: 10.1103/PhysRevC.98.044309
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2420. Data from this article have been entered in the XUNDL database. For more information, click here.


2017TR04      Phys.Rev. C 95, 035501 (2017)

S.Triambak, L.Phuthu, A.Garcia, G.C.Harper, J.N.Orce, D.A.Short, S.P.R.Steininger, A.Diaz Varela, R.Dunlop, D.S.Jamieson, W.A.Richter, G.C.Ball, P.E.Garrett, C.E.Svensson, C.Wrede

2+1 to 3+1 γ width in 22Na and second class currents

NUCLEAR REACTIONS 21Ne(p, γ)22Na, E=908, 1113 keV; measured Eγ, Iγ, γγ-coin using implanted 21Ne target, two HPGe detectors and a NaI(Tl) detector at CENPA FN tandem accelerator of University of Washington. 22Na; deduced levels, precise width of first 2+ state with T=1 to T=0 3+ ground state transition, weak magnetism form factor for 22Na β decay using the conserved vector current (CVC) hypothesis, and large induced-tensor form factor for the decay by using previous βγ(θ) results. Comparison with theoretical predictions.

doi: 10.1103/PhysRevC.95.035501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016DU10      Phys.Rev.Lett. 116, 172501 (2016)

M.R.Dunlop, C.E.Svensson, G.C.Ball, G.F.Grinyer, J.R.Leslie, C.Andreoiu, R.A.E.Austin, T.Ballast, P.C.Bender, V.Bildstein, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, D.S.Jamieson, A.T.Laffoley, A.D.MacLean, D.M.Miller, W.J.Mills, J.Park, A.J.Radich, M.M.Rajabali, E.T.Rand, C.Unsworth, A.Valencik, Z.M.Wang, E.F.Zganjar

High-Precision Half-Life Measurements for the Superallowed β+ Emitter 10C: Implications for Weak Scalar Currents

RADIOACTIVITY 10C(EC) [from Ni, O(p, X)10C, E=480 MeV]; measured decay products, Eγ, Iγ; deduced T1/2 and its uncertainties. Comparison with available data.

doi: 10.1103/PhysRevLett.116.172501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016LE10      Phys.Rev. C 94, 011304 (2016)

K.G.Leach, P.E.Garrett, G.C.Ball, P.C.Bender, V.Bildstein, B.A.Brown, C.Burbadge, T.Faestermann, B.Hadinia, J.D.Holt, A.T.Laffoley, D.S.Jamieson, B.Jigmeddorj, A.J.Radich, E.T.Rand, S.R.Stroberg, C.E.Svensson, I.S.Towner, H.-F.Wirth

Searching for 0+ states in 50Cr: Implications for the superallowed β decay of 50Mn

NUCLEAR REACTIONS 52Cr(p, t), E=24 MeV; measured E(t), I(t), σ(θ) using Q3D magnetic spectrograph at MLL-Munich. 50Cr; deduced levels, J, π, L-transfers, 0+ states. Coupled-channel, finite-range DWBA analysis using software FRESCO code. Comparison with ab initio shell-model predictions using in-medium similarity renormalization group (IM-SRG) formalism based on NN and 3N forces from chiral-energy density functionals (EFT).Comparison with previous experimental results and evaluated data in the ENSDF database.

RADIOACTIVITY 50Mn(EC); discussed possible Fermi non-analog β transitions to 0+ states at 3895 and 4069 keV assigned in authors' (p, t) work.

doi: 10.1103/PhysRevC.94.011304
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2309. Data from this article have been entered in the XUNDL database. For more information, click here.


2015LA19      Phys.Rev. C 92, 025502 (2015)

A.T.Laffoley, C.E.Svensson, C.Andreoiu, G.C.Ball, P.C.Bender, H.Bidaman, V.Bildstein, B.Blank, D.S.Cross, G.Deng, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, J.Giovinazzo, G.F.Grinyer, J.Grinyer, G.Hackman, B.Hadinia, D.S.Jamieson, B.Jigmeddorj, D.Kisliuk, K.G.Leach, J.R.Leslie, A.D.MacLean, D.Miller, B.Mills, M.Moukaddam, A.J.Radich, M.M.Rajabali, E.T.Rand, J.C.Thomas, J.Turko, C.Unsworth, P.Voss

High-precision half-life measurements for the superallowed Fermi β+ emitter 18Ne

RADIOACTIVITY 18Ne(β+), (EC), 23Ne(β-)[from Si(p, X), E=480 MeV, mass-separated 18,23Ne beams]; measured β using 4π continuous-flow gas proportional counter, Eγ, Iγ, βγ-coin, half-lives of 18Ne and 23Ne isotopes at TRIUMF-ISAC facility. Discussed rate-dependent and diffusion effects, and uncertainty analysis. Comparison with previous measurements. Relevance to superallowed Fermi decay.

doi: 10.1103/PhysRevC.92.025502
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Data from this article have been entered in the XUNDL database. For more information, click here.


2014JA19      Phys.Rev. C 90, 054312 (2014)

D.S.Jamieson, P.E.Garrett, V.Bildstein, G.A.Demand, P.Finlay, K.L.Green, K.G.Leach, A.A.Phillips, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, G.C.Ball, T.Faestermann, R.Hertenberger, H.-F.Wirth

Quadrupole-octupole coupled states in 112Cd populated in the 111Cd(d(pol), p) reaction

NUCLEAR REACTIONS 111Cd(polarized d, p), E=22 MeV; measured E(p), I(p), σ(θ), vector analyzing powers Ay(θ) using Q3D magnetic spectrograph at TMU-Munich accelerator facility. 112Cd; deduced levels, L-transfers, J, π, B(E2), configurations, spectroscopic strength. DWBA and ADWA analysis of σ(θ) and Ay(θ) data. Comparison with other experimental results. Systematics of energies and B(E2) values for 5- and 6- states in 106,108,110,112,114,116,118,120,122,124Cd; and discussion of quadrupole-octupole (QOC) two-phonon quintuplet states.

doi: 10.1103/PhysRevC.90.054312
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2240. Data from this article have been entered in the XUNDL database. For more information, click here.


2013LA23      Phys.Rev. C 88, 015501 (2013)

A.T.Laffoley, C.E.Svensson, C.Andreoiu, R.A.E.Austin, G.C.Ball, B.Blank, H.Bouzomita, D.S.Cross, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Giovinazzo, G.F.Grinyer, G.Hackman, B.Hadinia, D.S.Jamieson, S.Ketelhut, K.G.Leach, J.R.Leslie, E.Tardiff, J.C.Thomas, C.Unsworth

High-precision half-life measurements for the superallowed Fermi β+ emitter 14O

RADIOACTIVITY 14O(β+)[from 12C14O molecules in A=26 products produced in bombardment of SiC target by 500 MeV protons]; measured Eγ, Iγ, Eβ, Iβ, half-life of 14O superallowed β+ emitter using 8π detector array for γ rays and plastic scintillators for β radiation at TRIUMF-ISAC facility. Detailed analysis of statistical and systematic uncertainties. Comparison with previous experimental half-life values.

doi: 10.1103/PhysRevC.88.015501
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Data from this article have been entered in the XUNDL database. For more information, click here.


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