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NSR database version of April 11, 2024.

Search: Author = E.R.Tardiff

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2019RE07      Phys.Rev. C 99, 065502 (2019)

B.M.Rebeiro, S.Triambak, P.Z.Mabika, P.Finlay, C.S.Sumithrarachchi, G.Hackman, G.C.Ball, P.E.Garrett, C.E.Svensson, D.S.Cross, R.Dunlop, A.B.Garnsworthy, R.Kshetri, J.N.Orce, M.R.Pearson, E.R.Tardiff, H.Al Falou, R.A.E.Austin, R.Churchman, M.K.Djongolov, R.D'Entremont, C.Kierans, L.Milovanovic, S.O'Hagan, S.Reeve, S.K.L.Sjue, S.J.Williams, S.S.Ntshangase

Precise branching ratio measurements in ¹⁹Ne β decay and fundamental tests of the weak interaction

RADIOACTIVITY ¹⁹Ne(β⁺)[from C, Si(p, X), E=500 MeV at TRIUMF facility]; measured Eγ, Iγ, electron spectra, βγ-coin using the 8π γ-ray spectrometer and SCEPTAR detector array at TRIUMF-ISAC facility. ¹⁹F; deduced levels, β⁺-branching ratios, precise β branch for superallowed ground-state to ground-state branch, Ft values, V_ud element of the CKM quark-mixing matrix. Comparison with previous experimental results. Discussed implications for testing weak interaction symmetries.

doi: 10.1103/PhysRevC.99.065502
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Data from this article have been entered in the XUNDL database. For more information, click here.

2018KU01      Phys.Lett. B 777, 250 (2018)

M.Kumar Raju, J.N.Orce, P.Navratil, G.C.Ball, T.E.Drake, S.Triambak, G.Hackman, C.J.Pearson, K.J.Abraham, E.H.Akakpo, H.Al Falou, R.Churchman, D.S.Cross, M.K.Djongolov, N.Erasmus, P.Finlay, A.B.Garnsworthy, P.E.Garrett, D.G.Jenkins, R.Kshetri, K.G.Leach, S.Masango, D.L.Mavela, C.V.Mehl, M.J.Mokgolobotho, C.Ngwetsheni, G.G.O'Neill, E.T.Rand, S.K.L.Sjue, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, S.J.Williams, J.Wong

Reorientation-effect measurement of the first 2⁺ state in ¹²C: Confirmation of oblate deformation

NUCLEAR REACTIONS ¹⁹⁴Pt(¹²C, ¹²C'), E=4.975 MeV/nucleon; measured reaction products, Eγ, Iγ. ¹²C; deduced γ-ray yields, B(E2) diagonal matrix element, oblate deformation. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.12.009
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Data from this article have been entered in the XUNDL database. For more information, click here.

2017VO05      Phys.Rev. C 96, 024305 (2017)

P.Voss, T.E.Drake, K.Starosta, C.Andreoiu, R.Ashley, G.C.Ball, P.C.Bender, A.Chester, R.Churchman, D.S.Cross, A.B.Garnsworthy, G.Hackman, B.Hadinia, R.Henderson, B.Jigmeddorj, S.Ketelhut, R.Krucken, A.T.Laffoley, K.G.Leach, D.Miller, R.Orlandi, C.J.Pearson, J.Pore, M.M.Rajabali, E.T.Rand, C.E.Svensson, E.Tardiff, C.Unsworth, Z.-M.Wang, A.Signoracci

Doppler-shift attenuation lifetime measurement of the ³⁶Ar 2⁺₁ level

NUCLEAR REACTIONS ¹²C(³⁶Ar, ³⁶Ar'), E=63 MeV; measured Eγ, (¹²C)γ-coin, half-life of the first 2+ state by Doppler-shift attenuation method (DSAM) following low-energy Coulomb excitation using TIGRESS spectrometer and PIN diode detectors at TRIUMF-ISAC facility. Carbon target backed with ¹⁹⁷Au. ³⁶Ar; deduced level, B(E2) for the first 2+ state, and compared with previous experimental data, and with shell-model calculations using USDB interaction.

doi: 10.1103/PhysRevC.96.024305
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016PA03      Phys.Rev. C 93, 014315 (2016)

J.Park, A.B.Garnsworthy, R.Krucken, C.Andreoiu, G.C.Ball, P.C.Bender, A.Chester, A.Close, P.Finlay, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, S.Sjue, K.Starosta, C.E.Svensson, E.Tardiff

Shape coexistence and evolution in ⁹⁸Sr

RADIOACTIVITY ⁹⁸Rb(β^-)[from U(p, F), E=500 MeV at TRIUMF-ISAC]; measured Eγ, Iγ, I(ce), βγ-, β(ce)-, γγ-, γ(ce)- and ce(ce)-coincidences using 8π array of 20 Compton-suppressed HPGe detectors for γ rays, ten plastic scintillators for β detection, and a set of five Si(Li) detectors (PACES) for conversion electrons. ⁹⁸Sr; deduced levels, absolute intensities of γ transitions, B(E0), B(E2). Comparison with two-state mixing model for interpretation of ρ²(E0) value, deduction of mixing of the two low-lying 0+ and 2+ states, and deformation parameters.

doi: 10.1103/PhysRevC.93.014315
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Data from this article have been entered in the XUNDL database. For more information, click here.

2016WA16      Phys.Rev. C 93, 054301 (2016)

Z.M.Wang, A.B.Garnsworthy, C.Andreoiu, G.C.Ball, P.C.Bender, V.Bildstein, D.S.Cross, G.Demand, R.Dunlop, L.J.Evitts, P.E.Garrett, G.Hackman, B.Hadinia, S.Ketelhut, R.Krucken, K.G.Leach, A.T.Laffoley, D.Miller, M.Moukaddam, J.Pore, A.J.Radich, M.M.Rajabali, C.E.Svensson, A.Tan, E.Tardiff, C.Unsworth, A.Voss, P.Voss

Observation of a large β-delayed neutron emission component in ¹⁰²Rb decay and identification of excited states in ¹⁰²Sr

RADIOACTIVITY ¹⁰²Rb(β^-), (β^-n)[from U(p, F), E=500 MeV at TRIUMF-ISAC facility]; measured Eβ, Eγ, Iγ, βγ-, γγ-coin using 8π array for γ detection and SCEPTAR plastic scintillator for β detection. ^102,102Sr; deduced levels, J, π, delayed neutron-emission probability P_n. Systematics of absolute intensity of the first 2+ to 0+ transition, and direct ground-state feeding in β-delayed neutron emission in the β decays of ^{94,96,98,100,102}Rb. Plots of P_n/T_1/2 versus Q_βn for decays of ^{94,96,98,100,102}Rb, and comparison with theoretical and phenomenological descriptions. ¹⁰²Zr, ¹⁰²Sr, ¹⁰¹Zr(β^-); observed γ rays.

doi: 10.1103/PhysRevC.93.054301
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset14436. 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
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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.

2013CH01      Phys.Rev.Lett. 110, 022504 (2013)

A.Chakraborty, E.E.Peters, B.P.Crider, C.Andreoiu, P.C.Bender, D.S.Cross, G.A.Demand, A.B.Garnsworthy, P.E.Garrett, G.Hackman, B.Hadinia, S.Ketelhut, Ajay Kumar, K.G.Leach, M.T.McEllistrem, J.Pore, F.M.Prados-Estevez, E.T.Rand, B.Singh, E.R.Tardiff, Z.-M.Wang, J.L.Wood, S.W.Yates

Collective Structure in ⁹⁴Zr and Subshell Effects in Shape Coexistence

RADIOACTIVITY ⁹⁴Y(β^-) [from U(p, X), E=500 MeV]; measured decay products, Eγ, Iγ; deduced excited 2⁺ state, B(E2) value. Comparison with available data.

NUCLEAR REACTIONS ⁹⁴Zr(n, nγ), E=2-2.8 MeV; analyzed available data; deduced B(E2), collective structures, shape coexistence.

doi: 10.1103/PhysRevLett.110.022504
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Data from this article have been entered in the XUNDL database. For more information, click here.

2013DU14      Phys.Rev. C 88, 045501 (2013)

R.Dunlop, G.C.Ball, J.R.Leslie, C.E.Svensson, I.S.Towner, C.Andreoiu, S.Chagnon-Lessard, A.Chester, D.S.Cross, P.Finlay, A.B.Garnsworthy, P.E.Garrett, J.Glister, G.Hackman, B.Hadinia, K.G.Leach, E.T.Rand, K.Starosta, E.R.Tardiff, S.Triambak, S.J.Williams, J.Wong, S.W.Yates, E.F.Zganjar

High-precision branching-ratio measurement for the superallowed Β⁺ emitter ⁷⁴Rb

RADIOACTIVITY ⁷⁴Rb(β⁺), (EC)[from Nb(p, X, ), E=500 MeV]; measured Eγ, Iγ, Eβ, Iβ, ce, γγ-, γ(ce)-, βγ-, β(ce)-coin using 8π array for γ rays, SCEPTAR for β particles and PACES for conversion electrons at ISAC-TRIUMF facility. ⁷⁴Kr; deduced levels, J, π, conversion coefficients, multipolarity, E0 transition, branching ratio for superallowed β transition, logft, GT+F, isospin-symmetry breaking terms. Comparison of experimental GT values with theoretical values.

doi: 10.1103/PhysRevC.88.045501
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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.

2012OR05      Phys.Rev. C 86, 041303 (2012)

J.N.Orce, T.E.Drake, M.K.Djongolov, P.Navratil, S.Triambak, G.C.Ball, H.Al Falou, R.Churchman, D.S.Cross, P.Finlay, C.Forssen, A.B.Garnsworthy, P.E.Garrett, G.Hackman, A.B.Hayes, R.Kshetri, J.Lassen, K.G.Leach, R.Li, J.Meissner, C.J.Pearson, E.T.Rand, F.Sarazin, S.K.L.Sjue, M.A.Stoyer, C.S.Sumithrarachchi, C.E.Svensson, E.R.Tardiff, A.Teigelhoefer, S.J.Williams, J.Wong, C.Y.Wu

Reorientation-effect measurement of the (2⁺₁ ll E2 ll 2⁺₁) matrix element in ¹⁰Be

NUCLEAR REACTIONS ¹⁹⁴Pt(¹⁰Be, ¹⁰Be'), E=41 MeV, [¹⁰Be beam from Ta(p, X), E=500 MeV]; measured Eγ, Iγ, particle spectra, (particle)γ-coin, angular distribution of γ yields for first 2+ states in ¹⁰Be and ¹⁹⁴Pt using TIGRESS array at TRIUMF-ISACII facility. ¹⁰Be; deduced levels, J, π, diagonal matrix element for first 2+ state, spectroscopic quadrupole moment. ¹⁰Be, ¹⁹⁴Pt; analyzed yield data using GOSIA code. Reorientation-effect in Coulomb-excitation. Comparison with shell-model (NCSM) calculations.

doi: 10.1103/PhysRevC.86.041303
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Data from this article have been entered in the XUNDL database. For more information, click here.

2012TR06      Phys.Rev.Lett. 109, 042301 (2012)

S.Triambak, P.Finlay, C.S.Sumithrarachchi, G.Hackman, G.C.Ball, P.E.Garrett, C.E.Svensson, D.S.Cross, A.B.Garnsworthy, R.Kshetri, J.N.Orce, M.R.Pearson, E.R.Tardiff, H.Al Falou, R.A.E.Austin, R.Churchman, M.K.Djongolov, R.D'Entremont, C.Kierans, L.Milovanovic, S.O'Hagan, S.Reeve, S.K.L.Sjue, S.J.Williams

High-Precision Measurement of the ¹⁹Ne Half-Life and Implications for Right-Handed Weak Currents

RADIOACTIVITY ¹⁹Ne(EC); measured reaction products, Eγ, Iγ; deduced T_1/2, right-hand interaction. Comparison with available data.

doi: 10.1103/PhysRevLett.109.042301
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Data from this article have been entered in the XUNDL database. For more information, click here.

2008TA11      Phys.Rev. C 77, 052501 (2008)

E.R.Tardiff, J.A.Behr, T.E.Chupp, K.Gulyuz, R.S.Lefferts, W.Lorenzon, S.R.Nuss-Warren, M.R.Pearson, N.Pietralla, G.Rainovski, J.F.Sell, G.D.Sprouse

Polarization and relaxation rates of radon

RADIOACTIVITY ²⁰⁹Fr(EC) [from ¹⁹⁷Au(¹⁶O, 4n), E=91 MeV]; measured Eγ, Iγ, spin exchange polarization, quadrupole-dominated wall relaxationrate, dependence of γ-ray anisotropies on temperature.

doi: 10.1103/PhysRevC.77.052501
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2007TA17      Nucl.Instrum.Methods Phys.Res. A579, 472 (2007)

E.R.Tardiff, T.E.Chupp, W.Lorenzon, S.R.Nuss-Warren, J.A.Behr, M.R.Pearson, K.Gulyuz, R.S.Lefferts, N.Pietralla, G.Rainovski, J.F.Sell, G.D.Sprouse

Polarization and relaxation of ²⁰⁹Rn

RADIOACTIVITY ²⁰⁹Rn(EC); measured Eγ, Iγ, polarization and relaxation.

doi: 10.1016/j.nima.2007.04.105
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2006PH01      Phys.Rev. C 74, 027302 (2006)

A.A.Phillips, C.Andreoiu, G.C.Ball, D.Bandyopadhyay, J.A.Behr, T.E.Chupp, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, M.E.Hayden, B.Hyland, S.R.Nuss-Warren, M.R.Pearson, M.A.Schumaker, M.B.Smith, C.E.Svensson, E.R.Tardiff, J.J.Valiente-Dobon, T.Warner

Half-life of ¹²⁰Xe

RADIOACTIVITY ¹²⁰Cs, ¹²⁰Xe, ¹²⁰I(β⁺), (EC); measured Eγ, Iγ, T_1/2.

doi: 10.1103/PhysRevC.74.027302
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Note: The following list of authors and aliases matches the search parameter E.R.Tardiff: , E.R.TARDIFF