NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 10, 2024.

Search: Author = A.Diaz Varela

Found 33 matches.

Back to query form



2023RE09      Phys.Rev.Lett. 131, 052501 (2023)

B.M.Rebeiro, S.Triambak, P.E.Garrett, G.C.Ball, B.A.Brown, J.Menendez, B.Romeo, P.Adsley, B.G.Lenardo, R.Lindsay, V.Bildstein, C.Burbadge, R.Coleman, A.Diaz Varela, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, K.G.Leach, C.Natzke, J.C.Nzobadila Ondze, A.Radich, E.Rand, H.-F.Wirth

138Ba(d, α) Study of States in 136Cs: Implications for New Physics Searches with Xenon Detectors

NUCLEAR REACTIONS 138Ba(d, α), E=22 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, σ(θ), partial level scheme. Comparison with the shell-model results obtained with the GCN5082, SN100PN, and QX effective interactions. The Maier-Leibnitz Laboratorium in Garching, Germany.

doi: 10.1103/PhysRevLett.131.052501
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2023YA17      Phys.Rev. C 107, 064309 (2023)

D.Yates, R.Krucken, I.Dillmann, P.E.Garrett, B.Olaizola, V.Vedia, F.A.Ali, C.Andreoiu, W.Ashfield, G.C.Ball, Z.Beadle, N.Bernier, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, D.Bishop, M.Bowry, C.Burbadge, R.Caballero-Folch, D.Z.Chaney, D.C.Cross, A.Diaz Varela, M.R.Dunlop, R.Dunlop, L.J.Evitts, F.H.Garcia, A.B.Garnsworthy, S.Georges, S.A.Gillespie, G.Hackman, J.Henderson, B.Jigmeddorj, J.Lassen, R.Li, B.K.Luna, A.D.MacLean, C.R.Natzke, C.M.Petrache, A.J.Radich, M.M.Rajabali, P.H.Regan, Y.Saito, J.Smallcombe, J.K.Smith, M.Spieker, C.E.Svensson, A.Teigelhofer, K.Whitmore, T.Zidar

Decay spectroscopy of 160Eu: Quasiparticle configurations of excited states and structure of Kπ = 4+ bandheads in 160Gd

RADIOACTIVITY 160,160mEu(β-)[from U(p, X), E=480 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ) βγγ-coin; deduced logft, β-feeding intensities. 160Eu; deduced J, π of the b-decaying isomeric states with preliminary J=1 and J=5 assignments, configurations. 160Gd; deduced levels, J, π, transition intensities, δ, B(M1), B(E2), T1/2 of the excited states populated in 160Eu decay, band configurations. Comparison to previous experimental results. GRIFFIN spectrometer consisting of 15 HPGe clover detectors and surrounded by 7 LaBr3(Ce) detectors for lifetime measurements at the TRIUMF-ISAC facility.

doi: 10.1103/PhysRevC.107.064309
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022GA33      Phys.Rev. C 106, 064307 (2022)

P.E.Garrett, M.Zielinska, A.Bergmaier, T.R.Rodriguez, D.Kalaydjieva, M.Siciliano, H.Bidaman, V.Bildstein, C.Burbadge, A.Diaz Varela, D.T.Doherty, T.Faestermann, K.Hadynska-Klek, R.Hertenberger, N.Keeley, A.Laffoley, A.D.MacLean, M.Mahgoub, A.J.Radich, M.Rocchini, P.Spagnoletti, S.Triambak, M.Vandebrouck, K.Wrzosek-Lipska

Coulomb excitation of 102Ru with 12C and 16O

NUCLEAR REACTIONS 102Ru(12C, 12C'), E=45, 53 MeV; 102Ru(16O, 16O'), E=56 MeV; measured reaction products, momentum of the scattered particles, angular distributions; deduced population of the excited states in 102Ru. 102Ru; deduced levels, J, π, B(E2), B(E3), E0 monopole transition strengths, transition matrix elements. GOSIA analysis of Coulomb excitation combined with FRESCO calculations. Comparison to calculations performed using the symmetry-conserving configuration-mixing (SCCM) method employing the Gogny-D1S energy-density functional. Systematics of experimentally obtained B(E3) values for Ru, Mo and Pd isotopes. Q3D magnetic spectrograph at at the Maier Leibnitz Laboratory.

doi: 10.1103/PhysRevC.106.064307
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022HE06      Phys.Rev. C 105, 034332 (2022)

J.Henderson, G.Hackman, P.Ruotsalainen, J.D.Holt, S.R.Stroberg, C.Andreoiu, G.C.Ball, N.Bernier, M.Bowry, R.Caballero-Folch, S.Cruz, A.Diaz Varela, L.J.Evitts, R.Frederick, A.B.Garnsworthy, M.Holl, J.Lassen, J.Measures, B.Olaizola, E.O'Sullivan, O.Paetkau, J.Park, J.Smallcombe, C.E.Svensson, K.Whitmore, C.Y.Wu

Coulomb excitation of the ITzI = 1 over 2, A=23 mirror pair

NUCLEAR REACTIONS Ti(23Na, 23Na), E=42.9, 39.4 MeV; Ti(23Mg, 23Mg), E=42.9 MeV; measured reaction products, Eγ, Iγ, (particle)γ. 23Na, 23Mg deduced E2 matrix elements, B(E2), spectroscopic quadrupole moments, δ. GOSIA analysis of Coulomb excitation reactions. Comparison to other experimental data and theoretical calculations (shell model with the USDB interaction and ab initio calculations using the valence-space in-medium similarity renormalization group). TIGRESS array of 14 clover-type HPGe detectors with BGO Compton suppression at TRIUMF-ISAC facility.

doi: 10.1103/PhysRevC.105.034332
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022KA18      Phys.Rev. C 105, 055805 (2022)

M.Kamil, S.Triambak, G.C.Ball, V.Bildstein, A.Diaz Varela, T.Faestermann, P.E.Garrett, F.Ghazi Moradi, R.Hertenberger, N.Y.Kheswa, N.J.Mukwevho, B.M.Rebeiro, H.-F.Wirth

Proton capture on 30P in novae: On the existence of states at 6.40 MeV and 6.65 MeV in 31S

NUCLEAR REACTIONS 32S(d, t), E=23 MeV; measured reactions products triton spectrum, angular distribution; deduced resonances energies. 31S; deduced levels. Confirmed existence of 6401-keV state and found new one at 6648 keV in 31S. 30P(p, γ), T=0.1-1.5 GK; deduced reaction rate taking into account newly identified resonances. Q3D magnetic spectrograph at the Maier-Leibnitz-Laboratorium (MLL) tandem accelerator facility in Garching, Germany.

doi: 10.1103/PhysRevC.105.055805
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2022SH26      Eur.Phys.J. A 58, 83 (2022)

S.Sharma, G.F.Grinyer, G.C.Ball, J.R.Leslie, C.E.Svensson, F.A.Ali, C.Andreoiu, N.Bernier, S.S.Bhattacharjee, V.Bildstein, C.Burbadge, R.Caballero-Folch, R.Coleman, A.Diaz Varela, M.R.Dunlop, R.Dunlop, A.B.Garnsworthy, E.Gyabeng Fuakye, G.M.Huber, B.Jigmeddorj, K.Kapoor, A.T.Laffoley, K.G.Leach, J.Long, A.D.MacLean, C.R.Natzke, B.Olaizola, A.J.Radich, N.Saei, J.T.Smallcombe, A.Talebitaher, K.Whitmore, T.Zidar

High-precision half-life determination of 14O via direct β counting

RADIOACTIVITY 14O(β+) [from Si(p, X), E=480 MeV]; measured decay products, Eβ, Iβ; deduced log ft, T1/2, the new world average based on several measurements. The Isotope Separator and Accelerator (ISAC) facility at TRIUMF.

doi: 10.1140/epja/s10050-022-00730-w
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2021HO15      Phys.Lett. B 822, 136710 (2021)

M.Holl, R.Kanungo, Z.H.Sun, G.Hagen, J.A.Lay, A.M.Moro, P.Navratil, T.Papenbrock, M.Alcorta, D.Connolly, B.Davids, A.Diaz Varela, M.Gennari, G.Hackman, J.Henderson, S.Ishimoto, A.I.Kilic, R.Krucken, A.Lennarz, J.Liang, J.Measures, W.Mittig, O.Paetkau, A.Psaltis, S.Quaglioni, J.S.Randhawa, J.Smallcombe, I.J.Thompson, M.Vorabbi, M.Williams

Proton inelastic scattering reveals deformation in 8He

NUCLEAR REACTIONS 1H(8He, p), E=8.25 MeV/nucleon; measured reaction products, Ep, Ip. 8He; deduced σ(θ), resonance parameters, first 2+ state, quadrupole deformation parameter. Comparison with no-core shell model predictions. Charged particle spectroscopy station IRIS at TRIUMF in Canada.

doi: 10.1016/j.physletb.2021.136710
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2684.


2021KA45      Phys.Rev. C 104, L061303 (2021)

M.Kamil, S.Triambak, A.Magilligan, A.Garcia, B.A.Brown, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, N.Y.Kheswa, K.G.Leach, R.Lindsay, D.J.Marin-Lambarri, F.Ghazi Moradi, N.J.Mukwevho, R.Neveling, J.C.Nzobadila Ondze, P.Papka, L.Pellegri, V.Pesudo, B.M.Rebeiro, M.Scheck, F.D.Smit, H.-F.Wirth

Isospin mixing and the cubic isobaric multiplet mass equation in the lowest T=2, A=32 quintet

ATOMIC MASSES 32Ar, 32Cl, 32S, 32P, 32Si; analyzed experimental masses by a cubic fit to the isobaric multiplet mass equation (IMME) for the lowest isospin T=2 quintet in A=32 nuclei; investigated isospin mixing by combining high-resolution experimental data for proton spectrum from 32Ar β-delayed proton decay, and from triton spectrum in 32S(3He, t) reaction with the state-of-the-art shell-model calculations; evaluated isospin mixing matrix elements; extracted cubic and quartic coefficients of the IMME; deduced that isospin mixing with nonanalog T=1 states contributes to the IMME breakdown. 32Ar; analyzed experimental β-delayed proton spectrum by R-matrix fit; calculated proton emission amplitudes from states in 32Cl.

doi: 10.1103/PhysRevC.104.L061303
Citations: PlumX Metrics


2021NZ01      Phys.Rev. C 103, 034329 (2021)

J.C.Nzobadila Ondze, B.M.Rebeiro, S.Triambak, L.Atar, G.C.Ball, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, M.Kamil, R.Lindsay, J.N.Orce, A.Radich, H.-F.Wirth

Investigation of pair-correlated 0+ states in 134Ba via the 136Ba(p, t) reaction

NUCLEAR REACTIONS 136Ba(p, t), E=22 MeV; measured reaction products, E(t), I(t), differential σ(θ) using Q3D spectrometer at MLL-Munich tandem accelerator. 134Ba; deduced levels, energies of 0+ states, monopole (p, t) strengths. DWBA analysis. Comparison with previous experimental results. Discussed implication for 136Xe to 136Ba neutrinoless double beta decay matrix element calculation.

doi: 10.1103/PhysRevC.103.034329
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020GA10      Phys.Rev. C 101, 044302 (2020)

P.E.Garrett, T.R.Rodriguez, A.Diaz Varela, K.L.Green, J.Bangay, A.Finlay, R.A.E.Austin, G.C.Ball, D.S.Bandyopadhyay, V.Bildstein, S.Colosimo, D.S.Cross, G.A.Demand, P.Finlay, A.B.Garnsworthy, G.F.Grinyer, G.Hackman, B.Jigmeddorj, J.Jolie, W.D.Kulp, K.G.Leach, A.C.Morton, J.N.Orce, C.J.Pearson, A.A.Phillips, A.J.Radich, E.T.Rand, M.A.Schumaker, C.E.Svensson, C.Sumithrarachchi, S.Triambak, N.Warr, J.Wong, J.L.Wood, S.W.Yates

Shape coexistence and multiparticle-multihole structures in 110, 112Cd

RADIOACTIVITY 110,112In(β+), (EC)[from Ta(p, X), E=500 MeV]; 112Ag(β-)[from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, and γγ-coin using 8π HPGe detector array at TRIUMF-ISAC. 110,112Cd; deduced levels, J, π, branching ratios, B(E2), configurations. Comparison of experimental B(E2) values with beyond mean-field calculations. Discussed shape-coexisting intruder band and multiparticle-multihole proton excitations for the second, third and fourth excited 0+ levels of 110,112Cd.

NUCLEAR REACTIONS 110,112Cd(n, n'), E=2.1-3.4 MeV; analyzed earlier γ(θ) and DSAM data; deduced half-lives of excited states.

NUCLEAR STRUCTURE 110,112Cd; calculated levels, J, π, B(E2), collective wave function contours in the (β2, γ) plane for excited states using symmetry conserving configuration mixing method (SCCM), B(E2) by beyond mean-field method. Comparison with experimental data.

doi: 10.1103/PhysRevC.101.044302
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020MA59      Phys.Rev. C 102, 054325 (2020)

A.D.MacLean, A.T.Laffoley, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, A.Babu, S.S.Bhattacharjee, H.Bidaman, V.Bildstein, C.Burbadge, M.Bowry, C.Cheng, D.S.Cross, A.Diaz Varela, I.Dillmann, M.R.Dunlop, R.Dunlop, L.J.Evitts, P.Finlay, S.Gillespie, A.B.Garnsworthy, P.E.Garrett, E.Gopaul, C.J.Griffin, G.F.Grinyer, G.Hackman, J.Henderson, B.Jigmeddorj, K.G.Leach, E.Kassanda, J.McAfee, M.Moukaddam, C.Natzke, S.Nittala, B.Olaizola, J.Park, C.Paxman, J.L.Pore, C.Porzio, A.J.Radich, P.Ruotsalainen, Y.Saito, S.Sharma, J.Smallcombe, J.K.Smith, R.Sultana, J.Turko, J.Williams, D.Yates, T.Zidar

High-precision branching ratio measurement and spin assignment implications for 62Ga superallowed β decay

RADIOACTIVITY 62Ga(β+), (EC); measured Eγ, Iγ, β+, β+γ- and βγγ-coin, γγ(θ) using GRIFFIN array of 16 Compton-suppressed HPGe clover detectors for γ rays, and SCEPTAR array of plastic scintillators for β particles at TRIUMF-ISAC facility. 62Zn; deduced levels, J, π, multipole mixing ratios, precise β branch for superallowed 0+ to 0+ transition, β feedings to excited 0+ and (1+) states, isospin-symmetry-breaking correction. Comparison with previous experimental results and implications for theoretical studies of isospin-symmetry-breaking correction calculations.

doi: 10.1103/PhysRevC.102.054325
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020RE12      Phys.Lett. B 809, 135702 (2020), Erratum Phys.Lett. B 820, 136532 (2021)

B.M.Rebeiro, S.Triambak, P.E.Garrett, B.A.Brown, G.C.Ball, R.Lindsay, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, D.L.Fang, R.Hertenberger, M.Horoi, B.Jigmeddorj, M.Kamil, K.G.Leach, P.Z.Mabika, J.C.Nzobadila Ondze, J.N.Orce, H.-F.Wirth

Benchmarking 136Xe neutrinoless ββ decay matrix element calculations with the 138Ba(p, t) reaction

NUCLEAR REACTIONS 138Ba(p, t), (p, p), E=23 MeV; measured reaction products, Ep, Ip; deduced σ(θ), neutrinoless ββ decay matrix elements.

doi: 10.1016/j.physletb.2020.135702
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2532. Data from this article have been entered in the XUNDL database. For more information, click here.


2020SM02      Phys.Rev. C 102, 054314 (2020)

J.K.Smith, A.B.Garnsworthy, J.L.Pore, C.Andreoiu, A.D.MacLean, A.Chester, Z.Beadle, G.C.Ball, P.C.Bender, V.Bildstein, R.Braid, A.Diaz Varela, R.Dunlop, L.J.Evitts, P.E.Garrett, G.Hackman, S.V.Ilyushkin, B.Jigmeddorj, K.Kuhn, A.T.Laffoley, K.G.Leach, D.Miller, W.J.Mills, W.Moore, M.Moukaddam, B.Olaizola, E.E.Peters, A.J.Radich, E.T.Rand, F.Sarazin, C.E.Svensson, S.J.Williams, S.W.Yates

Spectroscopic study of 47Ca from the β- decay of 47K

RADIOACTIVITY 47K(β-)[from U(p, X), E=500 MeV at the TRIUMF Cyclotron, followed by extraction of surface-ionized 47K ions, accelerated to 28 keV, passed through a high-resolution mass separator, and deposited on a mylar tape for counting]; measured Eγ, Iγ, Eβ, ce, γγ-coin, γγ(θ) using GRIFFIN array of 16 clover Ge detectors, plastic scintillators for β particles, and Si(Li) detectors for conversion electrons. 47Ca; deduced levels, J, π, multipolarities and mixing ratios, β feedings, logft, γ-branching ratios, B(GT). Comparison with previous results.

doi: 10.1103/PhysRevC.102.054314
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2020WR01      Acta Phys.Pol. B51, 789 (2020)

K.Wrzosek-Lipska, L.Prochniak, P.E.Garrett, S.W.Yates, J.L.Wood, P.J.Napiorkowski, T.Abraham, J.M.Allmond, F.L.Bello Garrote, H.Bidaman, V.Bildstein, C.Burbadge, M.Chiari, A.Diaz Varela, D.T.Doherty, S.Dutt, K.Hadynska-Klek, M.Hlebowicz, J.Iwanicki, B.Jigmeddorj, M.Kisielinski, M.Komorowska, M.Kowalczyk, R.Kumar, T.Marchlewski, M.Matejska-Minda, B.Olaizola, F.Oleszczuk, M.Palacz, E.Pasquali, E.E.Peters, M.Rocchini, E.Shin, M.Saxena, J.Srebrny, A.Tucholski

Quadrupole Deformation of 110Cd Studied with Coulomb Excitation

doi: 10.5506/APhysPolB.51.789
Citations: PlumX Metrics


2019GA28      Phys.Rev.Lett. 123, 142502 (2019)

P.E.Garrett, T.R.Rodriguez, A.Diaz Varela, K.L.Green, J.Bangay, A.Finlay, R.A.E.Austin, G.C.Ball, D.S.Bandyopadhyay, V.Bildstein, S.Colosimo, D.S.Cross, G.A.Demand, P.Finlay, A.B.Garnsworthy, G.F.Grinyer, G.Hackman, B.Jigmeddorj, J.Jolie, W.D.Kulp, K.G.Leach, A.C.Morton, J.N.Orce, C.J.Pearson, A.A.Phillips, A.J.Radich, E.T.Rand, M.A.Schumaker, C.E.Svensson, C.Sumithrarachchi, S.Triambak, N.Warr, J.Wong, J.L.Wood, S.W.Yates

Multiple Shape Coexistence in 110, 112Cd

RADIOACTIVITY 110,112In(β+), (EC), 112Ag(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies, weak decay branches from nonyrast states.

NUCLEAR REACTIONS 110,112Cd(n, n'), E not given; measured reaction products, Eγ, Iγ; deduced γ-ray energies, branching ratios and level T1/2, intruder γ-bands. The Doppler-shift attenuation method, comparison with Monte Carlo shell model (MCSM) calculations.

doi: 10.1103/PhysRevLett.123.142502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


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
Citations: PlumX Metrics

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.


2019PO06      Phys.Rev. C 100, 054327 (2019)

J.L.Pore, C.Andreoiu, J.K.Smith, A.D.MacLean, A.Chester, J.D.Holt, G.C.Ball, P.C.Bender, V.Bildstein, R.Braid, A.Diaz Varela, R.Dunlop, L.J.Evitts, A.B.Garnsworthy, P.E.Garrett, G.Hackman, S.V.Ilyushkin, B.Jigmeddorj, K.Kuhn, P.Kunz, A.T.Laffoley, K.G.Leach, D.Miller, W.J.Mills, W.Moore, M.Moukaddam, L.N.Morrison, B.Olaizola, E.E.Peters, A.J.Radich, E.T.Rand, F.Sarazin, D.Southall, C.E.Svensson, S.J.Williams, S.W.Yates

Detailed spectroscopy of 46Ca: A study of the β- decay of 46K

RADIOACTIVITY 46K(β-)[from U(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin, γγ(θ), ce, β particles using GRIFFIN array of 15 HPGe detectors for γ detection, PACES array of five Si(Li) detectors for conversion electrons, and SCEPTAR array of 10 plastic scintillators for β-particle tagging, half-life of 46K decay at TRIUMF-ISAC facility. 46Ca; deduced levels, J, π, β feedings, logft, γ-branching ratios, multipole mixing ratios. Comparison of level structure with theoretical predictions from microscopic valence space Hamiltonians derived from NN+3N forces.

doi: 10.1103/PhysRevC.100.054327
Citations: PlumX Metrics

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
Citations: PlumX Metrics


2017CR05      Eur.Phys.J. A 53, 216 (2017)

D.S.Cross, J.L.Pore, C.Andreoiu, G.C.Ball, P.C.Bender, A.S.Chester, R.Churchman, G.A.Demand, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, A.Liblong, R.Kanungo, D.T.Miller, B.Noakes, C.M.Petrache, K.Starosta, C.E.Svensson, P.Voss, Z-M.Wang, J.M.Wilson, J.L.Wood, S.W.Yates

Conversion-electron spectroscopy and gamma-gamma angular correlation measurements in 116Sn

RADIOACTIVITY 116In(β-)[beam of predominantly 116m1In from 500 MeV protons on Ta]; measured Eγ, Iγ(θ), γγ-coin, eγ-coin, conversion electron spectrum. 116Sn; measured K-shell ICC, K/L ratios, E2/E1 multipole mixing ratios for 2+3 to 2+1; calculated γ-ray orientation coefficients, directional distribution coeffiecients, K/L intensity ratios using ICC calculator BrIccFO; deduced and 2+2 to 2+1 mixing ratios, and also mixing transitions among low-lying 4+ states, neutron broken-pair admixture (in addition to the dominant proton 2p2h component) in 4+2 state.

doi: 10.1140/epja/i2017-12412-5
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017DU11      Phys.Rev. C 96, 045502 (2017)

M.R.Dunlop, C.E.Svensson, G.C.Ball, J.R.Leslie, C.Andreoiu, N.Bernier, H.Bidaman, V.Bildstein, M.Bowry, C.Burbadge, R.Caballero-Folch, A.Diaz Varela, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Jigmeddorj, K.G.Leach, A.D.MacLean, B.Olaizola, J.Measures, C.Natzke, Y.Saito, J.K.Smith, J.Turko, T.Zidar

High-precision half-life measurement for the superallowed Fermi β+ emitter 22Mg

RADIOACTIVITY 22Mg(β+)[from Si(p, X), E=480 MeV using ion guide laser ion source (IGLIS) at ISAC-TRIUMF facility]; measured Eγ, Iγ, β+ radiation, βγ-coin using a 4π continuous-flow gas proportional counter for β radiation and GRIFFIN array for γ detection, precise half-life of decay of 22Mg with detailed uncertainty analysis. Comparison with previous experimental results. Proposed further experiments to improve uncertainty of the superallowed branching ratio for tests of the CVC hypothesis.

doi: 10.1103/PhysRevC.96.045502
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017GA04      Acta Phys.Pol. B48, 523 (2017)

P.E.Garrett, B.Jigmeddorj, A.D.MacLean, H.Bidaman, V.Bildstein, C.Burbadge, G.A.Demand, A.Diaz Varela, M.Dunlop, R.Dunlop, B.Hadinia, B.Olaizola, C.E.Svensson, J.Turko, T.Zidar, A.B.Garnsworthy, M.Bowry, P.C.Bender, G.C.Ball, R.Caballero-Folch, I.Dillmann, G.Hackman, J.Henderson, W.J.Mills, M.Moukaddam, J.Park, C.J.Pearson, P.Ruotsalainen, J.Smallcombe, J.K.Smith, C.Andreoiu, D.S.Cross, J.L.Pore, K.Starosta

High-statistics β-decay Measurements at TRIUMF-ISAC and the Transition from the 8π Spectrometer to GRIFFIN

RADIOACTIVITY 122Cs(β+), (EC); measured Eγ, Iγ(θ), γγ-coin deduced low-lying levels, J, π, γ transitions, γ-ray coincidence spectra, unnormalized γ-ray σ(θ). Review lecture, everything just as examples, but it is not clear what has been published before and what is here for the first time.

doi: 10.5506/APhysPolB.48.523
Citations: PlumX Metrics


2017PO02      Eur.Phys.J. A 53, 27 (2017)

J.L.Pore, D.S.Cross, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.S.Chester, A.Diaz Varela, G.A.Demand, R.Dunlop, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, A.Liblong, R.Kanungo, B.Noakes, C.M.Petrache, M.M.Rajabali, K.Starosta, C.E.Svensson, P.J.Voss, Z.M.Wang, J.L.Wood, S.W.Yates

Study of the β- decay of 116m1In: A new interpretation of low-lying 0+ states in 116Sn

RADIOACTIVITY 116mIn(β-); measured Eγ, Iγ, γγ-coin using 20 HPGe with BGO Compton-suppression shields, β particles using plastic scintillator; deduced rotational bands, first direct observation of 85 keV 2+2 to 0+3 γ transition, B(E2), γ branching ratios; calculated, deduced log ft, new band head of π 2p-2h rotational band in 116Sn.

doi: 10.1140/epja/i2017-12213-x
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017RA20      Eur.Phys.J. A 53, 184 (2017); Erratum Eur.Phys.J. A 54, 213 (2018)

A.J.Radich, P.E.Garrett, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, E.McGee, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, S.J.Williams, J.Wong, J.L Wood and S.W.Yates

New decay modes of the high-spin isomer of 124Cs

RADIOACTIVITY 124m,124Cs(IT), (β+);124Ba(β+); measured Eγ, Iγ, γγ-coin, X-rays, Eβ, Iβ, ee-coin. 124Xe[from Β+/EC-decay of 124mCs]; deduced levels, J, π, γ-ray transitions. 124mCs; deduced branching ratios for 16 levels populated in γ-decay of 7+ state.

doi: 10.1140/epja/i2017-12383-5
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2017TA30      Phys.Lett. B 774, 268 (2017)

J.Tanaka, R.Kanungo, M.Alcorta, N.Aoi, H.Bidaman, C.Burbadge, G.Christian, S.Cruz, B.Davids, A.Diaz Varela, J.Even, G.Hackman, M.N.Harakeh, J.Henderson, S.Ishimoto, S.Kaur, M.Keefe, R.Krucken, K.G.Leach, J.Lighthall, E.Padilla-Rodal, J.S.Randhawa, P.Ruotsalainen, A.Sanetullaev, J.K.Smith, O.Workman, I.Tanihata

Halo-induced large enhancement of soft dipole excitation of 11Li observed via proton inelastic scattering

NUCLEAR REACTIONS 1H(11Li, p'), E=66 MeV; measured reaction products, Ep, Ip. 11Li; deduced σ(θ), B(E1). DWBA calculations.

doi: 10.1016/j.physletb.2017.09.079
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2286. 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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2016JI02      Eur.Phys.J. A 52, 36 (2016)

B.Jigmeddorj, P.E.Garrett, A.Diaz Varela, G.C.Ball, J.C.Bangay, D.S.Cross, G.A.Demand, A.B.Garnsworthy, K.L.Green, G.Hackman, W.D.Kulp, K.G.Leach, J.N.Orce, E.T.Rand, C.Sumithrarachchi, C.E.Svensson, S.Triambak, J.Wong, J.L.Wood, S.W.Yates

Conversion electron study of 110Cd: Evidence of new E0 branches

RADIOACTIVITY 110In(β+), (EC); measured Eγ, Iγ, X-rays, Ee, Ie, (X-ray)e--coin, γe--coin, γγ-coin at TRIUMF-ISAC; deduced conversion electrons K, L subshell ratios, γ-transitions, multipolarity, levels, J, π, K-conversion electron lines, conversion coefficients, E2/M1 mixing ratio, ρ2(E0) for the 4+3 to 4+1 transition. Subshell E2, M1 ratios, conversion coefficients compared to published calculations. 110,112,114,116Cd deduced systematics for γ-transitions connecting intruder and gs bands.

doi: 10.1140/epja/i2016-16036-y
Citations: PlumX Metrics

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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2015RA05      Phys.Rev. C 91, 044320 (2015)

A.J.Radich, P.E.Garrett, J.M.Allmond, C.Andreoiu, G.C.Ball, L.Bianco, V.Bildstein, S.Chagnon-Lessard, D.S.Cross, G.A.Demand, A.Diaz Varela, R.Dunlop, P.Finlay, A.B.Garnsworthy, G.Hackman, B.Hadinia, B.Jigmeddorj, A.T.Laffoley, K.G.Leach, J.Michetti-Wilson, J.N.Orce, M.M.Rajabali, E.T.Rand, K.Starosta, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, Z.M.Wang, J.L.Wood, J.Wong, S.J.Williams, S.W.Yates

Ground-state and pairing-vibrational bands with equal quadrupole collectivity in 124Xe

RADIOACTIVITY 124Cs(β+), (EC)[from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-coin using 8π array at TRIUMF-ISAC facility. 124Xe; deduced levels, J, π, B(E2) ratios, deformation parameters, proton-pairing vibrational band; analyzed previous Coulomb excitation data by GOSIA code. Comparison with interacting boson model (IBM) and dynamic-pairing plus quadrupole (DPPQ) model calculations. Systematics of energies and B(E2) values for 0+ and 2+ states in 120,122,124,126,128,130Xe.

doi: 10.1103/PhysRevC.91.044320
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014SM01      Phys.Rev. C 89, 024602 (2014)

D.Smalley, F.Sarazin, F.M.Nunes, B.A.Brown, P.Adsley, H.Al Falou, C.Andreoiu, B.Baartman, G.C.Ball, J.C.Blackmon, H.C.Boston, W.N.Catford, S.Chagnon-Lessard, A.Chester, R.M.Churchman, D.S.Cross, C.Aa.Diget, D.Di Valentino, S.P.Fox, B.R.Fulton, A.Garnsworthy, G.Hackman, U.Hager, R.Kshetri, J.N.Orce, N.A.Orr, E.Paul, M.Pearson, E.T.Rand, J.Rees, S.Sjue, C.E.Svensson, E.Tardiff, A.Diaz Varela, S.J.Williams, S.Yates

Two-neutron transfer reaction mechanisms in 12C(6He, 4He)14C using a realistic three-body 6He model

NUCLEAR REACTIONS 12C(6He, 6He), (6He, 6He'), E=30 MeV; measured 6He spectra, σ(θ); deduced optical potential parameters. 12C(6He, α)14C, E=30 MeV; measured Eα, Iα, σ(θ) using SHARC charged-particle detector and TIGRESS γ-detection arrays at ISAC-II-TRIUMF facility. 14C; deduced levels, J, π. Low energy elastic and inelastic scattering, and transfer reactions. Comparison with DWBA calculations including realistic three-body model, and shell-model calculations. Discussed higher-order effects in the reaction mechanism.

doi: 10.1103/PhysRevC.89.024602
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC2091. 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
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2013LE25      Phys.Rev. C 88, 031306 (2013)

K.G.Leach, P.E.Garrett, C.E.Svensson, I.S.Towner, G.C.Ball, V.Bildstein, B.A.Brown, A.Diaz Varela, R.Dunlop, T.Faestermann, R.Hertenberger, D.J.Jamieson, R.Krucken, S.Triambak, H.-F.Wirth

Excited O+ states in 62Zn populated via the 64Zn(p, t)62Zn reaction

NUCLEAR REACTIONS 64Zn(p, t), E=24 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at MLL-Munich facility. DWBA analysis of σ(θ) data. 62Zn; deduced levels, J, π, l-transfer, excited 0+ states. Comparison with shell-model calculations using MSDI3, GXPF1 and GXPF1A interactions. Discussed impact on isospin-symmetry-breaking (ISB) correction for 62Ga superallowed due to shift in the first excited 0+ state in 62Zn.

doi: 10.1103/PhysRevC.88.031306
Citations: PlumX Metrics

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.


2012GA41      Phys.Rev. C 86, 044304 (2012)

P.E.Garrett, J.Bangay, A.Diaz Varela, G.C.Ball, D.S.Cross, G.A.Demand, P.Finlay, A.B.Garnsworthy, K.L.Green, G.Hackman, C.D.Hannant, B.Jigmeddorj, J.Jolie, W.D.Kulp, K.G.Leach, J.N.Orce, A.A.Phillips, A.J.Radich, E.T.Rand, M.A.Schumaker, C.E.Svensson, C.Sumithrarachchi, S.Triambak, N.Warr, J.Wong, J.L.Wood, S.W.Yates

Detailed spectroscopy of 110Cd: Evidence for weak mixing and the emergence of γ-soft behavior

NUCLEAR REACTIONS 110Cd(n, n'), E=2.1-3.4 MeV; analyzed Eγ, Iγ, γγ-coin, γ(θ), DSA data. 110Cd; deduced levels, J, π, half-lives, multipolarity, mixing ratio, B(E2).

RADIOACTIVITY 110In(β+), (EC)[from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, γγ-, γe--coin, T1/2 at TRIUMF-ISAC facility. 110Cd; deduced levels, J, π, mixing ratio, B(E2). Systematics of low-lying 0+ levels and transition rates in 110,112,114,116Cd. No evidence for strong mixing of the intruder and nonintruder configurations. γ-soft or O(6)-type nucleus.

doi: 10.1103/PhysRevC.86.044304
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


Back to query form