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NSR database version of April 11, 2024.

Search: Author = S.Ettenauer

Found 25 matches.

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2014KW01      Hyperfine Interactions 225, 143 (2014)

A.A.Kwiatkowski, C.Andreoiu, J.C.Bale, T.Brunner, A.Chaudhuri, U.Chowdhury, P.Delheij, S.Ettenauer, D.Frekers, A.T.Gallant, A.Grossheim, G.Gwinner, F.Jang, A.Lennarz, T.Ma, E.Mane, M.R.Pearson, B.E.Schultz, M.C.Simon, V.V.Simon, J.Dilling

TITAN: An ion trap facility for on-line mass measurement experiments

doi: 10.1007/s10751-013-0892-8
Citations: PlumX Metrics


2014LE02      Hyperfine Interactions 225, 157 (2014)

A.Lennarz, T.Brunner, C.Andreoiu, A.Chaudhuri, U.Chowdhury, P.Delheij, J.Dilling, S.Ettenauer, D.Frekers, A.T.Gallant, A.Grossheim, F.Jang, A.A.Kwiatkowski, T.Ma, E.Mane, M.R.Pearson, B.E.Schultz, M.C.Simon, V.V.Simon

Electron-capture branching ratio measurements of odd-odd intermediate nuclei in double-beta decay at the TITAN facility

RADIOACTIVITY 116In(β-), (EC); measured decay products, Eγ, Iγ, X-rays; deduced isomers, energy levels, J, π. Comparison with available data.

doi: 10.1007/s10751-013-0893-7
Citations: PlumX Metrics


2013BR16      Eur.Phys.J. A 49, 142 (2013)

T.Brunner, A.Lapierre, C.Andreoiu, M.Brodeur, P.Delheij, S.Ettenauer, D.Frekers, A.T.Gallant, R.Gernhauser, A.Grossheim, R.Krucken, A.Lennarz, D.Lunney, D.Mucher, R.Ringle, M.C.Simon, V.V.Simon, S.K.L.Sjue, K.Zuber, J.Dilling

Trapped-ion decay spectroscopy towards the determination of ground-state components of double-beta decay matrix elements

RADIOACTIVITY 124,125,126Cs(EC), (β+), (IT); measured Eγ, Iγ, X-ray. Method test experiment for possible determination of 2β matrix elements.

doi: 10.1140/epja/i2013-13142-4
Citations: PlumX Metrics


2013CH49      Phys.Rev. C 88, 054317 (2013)

A.Chaudhuri, C.Andreoiu, T.Brunner, U.Chowdhury, S.Ettenauer, A.T.Gallant, G.Gwinner, A.A.Kwiatkowski, A.Lennarz, D.Lunney, T.D.Macdonald, B.E.Schultz, M.C.Simon, V.V.Simon, J.Dilling

Evidence for the extinction of the N=20 neutron-shell closure for 32Mg from direct mass measurements

ATOMIC MASSES 29,30,31Na, 30,31,32,33,34Mg; measured Time-of-flight (TOF) ion-cyclotron resonances using TITAN Penning trap at ISAC-TRIUMF with respect to 16O and 39K references. Comparison with previous experimental data and with AME evaluations. Systematics of S(2n) values for N=18-24 Na and Mg isotopes; and experimental and theoretical neutron shell gap N=20, Z=10-22 nuclei. Discussed magicity of N=20 shell closure.

doi: 10.1103/PhysRevC.88.054317
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2013FR13      Phys.Lett. B 722, 233 (2013)

D.Frekers, M.C.Simon, C.Andreoiu, J.C.Bale, M.Brodeur, T.Brunner, A.Chaudhuri, U.Chowdhury, J.R.C.Lopez-Urrutia, P.Delheij, H.Ejiri, S.Ettenauer, A.T.Gallant, V.Gavrin, A.Grossheim, M.N.Harakeh, F.Jang, A.A.Kwiatkowski, J.Lassen, A.Lennarz, M.Luichtl, T.Ma, T.D.Macdonald, E.Mane, D.Robertson, B.E.Schultz, V.V.Simon, A.Teigelhofer, J.Dilling

Penning-trap Q-value determination of the 71Ga(ν, e-)71Ge reaction using threshold charge breeding of on-line produced isotopes

ATOMIC MASSES 71Ga, 71Ge; measured TOF, TOF-ICR, ion cyclotron resonance spectra; deduced Q-value and its uncertainty. TITAN Penning trap at ISAC/TRIUMF, comparison with AME data.

doi: 10.1016/j.physletb.2013.04.019
Citations: PlumX Metrics


2013GR03      Phys.Rev. C 87, 045502 (2013)

G.F.Grinyer, G.C.Ball, H.Bouzomita, S.Ettenauer, P.Finlay, A.B.Garnsworthy, P.E.Garrett, K.L.Green, G.Hackman, J.R.Leslie, C.J.Pearson, E.T.Rand, C.S.Sumithrarachchi, C.E.Svensson, J.C.Thomas, S.Triambak, S.J.Williams

Improved half-life determination and β-delayed γ-ray spectroscopy for 18Ne decay

RADIOACTIVITY 18Ne(β+); measured Eγ, Iγ, Eβ, βγ-coin, T1/2 using 8π and SCEPTAR arrays at TRIUMF-ISAC facility; deduced β branching ratios. Comparison with previous experimental results for half-life. Superallowed β decay.

doi: 10.1103/PhysRevC.87.045502
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2012BR03      Phys.Rev.Lett. 108, 052504 (2012)

M.Brodeur, T.Brunner, C.Champagne, S.Ettenauer, M.J.Smith, A.Lapierre, R.Ringle, V.L.Ryjkov, S.Bacca, P.Delheij, G.W.F.Drake, D.Lunney, A.Schwenk, J.Dilling

First Direct Mass Measurement of the Two-Neutron Halo Nucleus 6He and Improved Mass for the Four-Neutron Halo 8He

ATOMIC MASSES 6,8He; measured TOF resonance spectra; deduced isotopic shifts, charge radii, masses. Comparison with experimental and theoretical data.

doi: 10.1103/PhysRevLett.108.052504
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2012BR07      Phys.Rev.Lett. 108, 212501 (2012)

M.Brodeur, T.Brunner, S.Ettenauer, A.Lapierre, R.Ringle, B.A.Brown, D.Lunney, J.Dilling

Elucidation of the Anomalous A=9 Isospin Quartet Behavior

NUCLEAR STRUCTURE 9Li, 9Be, 9B, 9C; analyzed available data; calculated energy levels, J, π; deduced isospin mixing, anomalous isobaric mass multiplet equation behavior. Comparison with available data.

doi: 10.1103/PhysRevLett.108.212501
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2012FI06      Phys.Rev. C 85, 055501 (2012)

P.Finlay, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, S.Ettenauer, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, E.T.Rand, C.S.Sumithrarachchi, S.Triambak, S.J.Williams

High-precision branching-ratio measurement for the superallowed β+ emitter 26Alm

RADIOACTIVITY 26mAl(β+), (EC); measured Iβ, Eγ, Iγ, βγ-coin, βγ-anticoin at TRIUMF-ISAC facility; deduced upper limit for total non-superallowed β++EC branching ratio to excited states in 26Mg.

doi: 10.1103/PhysRevC.85.055501
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2012GA15      Phys.Rev. C 85, 044311 (2012)

A.T.Gallant, M.Brodeur, T.Brunner, U.Chowdhury, S.Ettenauer, V.V.Simon, E.Mane, M.C.Simon, C.Andreoiu, P.Delheij, G.Gwinner, M.R.Pearson, R.Ringle, J.Dilling

Highly charged ions in Penning traps: A new tool for resolving low-lying isomeric states

ATOMIC MASSES 78,78mRb; measured time-of-flight spectra, frequency ratios relative to 85Rb using TRIUMF-TITAN facility; deduced mass excess of ground state and isomer in 78Rb. Comparison with AME-2003 and ENSDF.

doi: 10.1103/PhysRevC.85.044311
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2012GA29      Phys.Rev.Lett. 109, 032506 (2012)

A.T.Gallant, J.C.Bale, T.Brunner, U.Chowdhury, S.Ettenauer, A.Lennarz, D.Robertson, V.V.Simon, A.Chaudhuri, J.D.Holt, A.A.Kwiatkowski, E.Mane, J.Menendez, B.E.Schultz, M.C.Simon, C.Andreoiu, P.Delheij, M.R.Pearson, H.Savajols, A.Schwenk, J.Dilling

New Precision Mass Measurements of Neutron-Rich Calcium and Potassium Isotopes and Three-Nucleon Forces

ATOMIC MASSES 51,52Ca, 51K; measured TOF-ICR resonances, average frequency ratios; deduced masses. Comparison with available data. TRIUMF TITAN trap, comparison with available data, KB3G and GXPF1A effective interactions.

doi: 10.1103/PhysRevLett.109.032506
Citations: PlumX Metrics


2012LA05      Phys.Rev. C 85, 024317 (2012)

A.Lapierre, M.Brodeur, T.Brunner, S.Ettenauer, P.Finlay, A.T.Gallant, V.V.Simon, P.Delheij, D.Lunney, R.Ringle, H.Savajols, J.Dilling

Penning-trap mass measurements of the neutron-rich K and Ca isotopes: Resurgence of the N=28 shell strength

ATOMIC MASSES 44,47,48,49,50K, 49,50Ca; measured TOF-ICR resonance curves, frequency ratios; deduced mass excesses, S(2n). TITAN Penning trap spectrometer at TRIUMF-ISAC facility. Comparison with 2003 AME. Z=16-23, N=24-37; systematics of S(2n) values. Z=16-30, N=28; N=18-30, Z=19, 20; systematics of neutron shell gaps and comparison with model calculations.

NUCLEAR REACTIONS Ta(p, X)44K/47K/48K/49K/50K/49Ca/50Ca, E=500 MeV; measured masses using time-of-flight ion cyclotron resonance (TOF-ICR) technique using TITAN at TRIUMF-ISAC facility.

doi: 10.1103/PhysRevC.85.024317
Citations: PlumX Metrics


2012SI10      Phys.Rev. C 85, 064308 (2012)

V.V.Simon, T.Brunner, U.Chowdhury, B.Eberhardt, S.Ettenauer, A.T.Gallant, E.Mane, M.C.Simon, P.Delheij, M.R.Pearson, G.Audi, G.Gwinner, D.Lunney, H.Schatz, J.Dilling

Penning-trap mass spectrometry of highly charged, neutron-rich Rb and Sr isotopes in the vicinity of A ≈ 100

ATOMIC MASSES 94,97,98Rb, 94,97,98,99Sr; measured time-of-flight and cyclotron frequencies using (TOF-ICR) method with the Penning-trap mass spectrometer TITAN at TRIUMF-ISAC facility; deduced mass excesses. Frequencies ratios measured with reference to 85Rb. Z=36-44, N=55-65; systematics of S(2n) values. Calculated r process abundances as a function of mass number. Discussed astrophysical implications. Comparisons with previous measurements and AME-2003 evaluation.

doi: 10.1103/PhysRevC.85.064308
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2011BR13      Hyperfine Interactions 199, 191 (2011)

T.Brunner, M.Brodeur, P.Delheij, S.Ettenauer, D.Frekers, A.T.Gallant, R.Krucken, A.Lapierre, D.Lunney, R.Ringle, V.V.Simon, J.Dilling

In-trap decay spectroscopy for 2νββ decay experiments

RADIOACTIVITY 124,126Cs(EC); measured Eγ, Iγ, X-rays, Eβ, Iβ; deduced possibility of electron capture branching ratio measurement of $^100$Tc. Penning trap.

doi: 10.1007/s10751-011-0313-9
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2011ET01      Phys.Rev.Lett. 107, 272501 (2011)

S.Ettenauer, M.C.Simon, A.T.Gallant, T.Brunner, U.Chowdhury, V.V.Simon, M.Brodeur, A.Chaudhuri, E.Mane, C.Andreoiu, G.Audi, J.R.C.Lopez-Urrutia, P.Delheij, G.Gwinner, A.Lapierre, D.Lunney, M.R.Pearson, R.Ringle, J.Ullrich, J.Dilling

First Use of High Charge States for Mass Measurements of Short-Lived Nuclides in a Penning Trap

ATOMIC MASSES 74,75,76Rb, 74Ga; measured TOF ion-cyclotron resonances; deduced masses. Penning trap measurements, comparison with mass evaluation.

doi: 10.1103/PhysRevLett.107.272501
Citations: PlumX Metrics


2011FI01      Phys.Rev.Lett. 106, 032501 (2011)

P.Finlay, S.Ettenauer, G.C.Ball, J.R.Leslie, C.E.Svensson, C.Andreoiu, R.A.E.Austin, D.Bandyopadhyay, D.S.Cross, G.Demand, M.Djongolov, P.E.Garrett, K.L.Green, G.F.Grinyer, G.Hackman, K.G.Leach, C.J.Pearson, A.A.Phillips, C.S.Sumithrarachchi, S.Triambak, S.J.Williams

High-Precision Half-Life Measurement for the Superallowed β+ Emitter 26Alm

RADIOACTIVITY 26Al(β+) [from Si(p, X), E=500 MeV]; measured decay products; deduced T1/2. Comparison with Skyrme-Hartree-Fock calculations.

COMPILATION 10C, 14O, 22Mg, 26Al, 34Cl, 34Ar, 38K, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb; compiled log ft values.

doi: 10.1103/PhysRevLett.106.032501
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Data from this article have been entered in the XUNDL database. For more information, click here.


2011GA15      Phys.Rev. C 83, 044305 (2011)

A.Gade, D.Bazin, B.A.Brown, C.M.Campbell, J.M.Cook, S.Ettenauer, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Obertelli, T.Otsuka, A.Ratkiewicz, J.R.Terry, Y.Utsuno, D.Weisshaar

In-beam γ -ray spectroscopy of 35Mg and 33Na

NUCLEAR REACTIONS 9Be(38Si, X)33Na/35Mg/36Mg/38Si, E=83 MeV/nucleon, [secondary 38Si beam from 9Be(48Ca, X), E=140 MeV/nucleon primary reaction]; measured Eγ, production σ, (33Na)γ-, (35Mg)γ-coin using SeGA array. 33Na, 35Mg; deduced levels, J, π, rotational band in 33Na. Comparison with large-scale Monte-Carlo shell model (MCSM) calculations with SDPF-M interaction, and with large-scale shell-model calculations with SDPF-U interaction. Calculated composition of 35Mg wave functions, quadrupole moments and B(E2) values. Systematics of S(n) for A=30-35 Mg nuclei. Relevance to Island of Inversion.

doi: 10.1103/PhysRevC.83.044305
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2011MA66      Phys.Rev.Lett. 107, 212502 (2011)

E.Mane, A.Voss, J.A.Behr, J.Billowes, T.Brunner, F.Buchinger, J.E.Crawford, J.Dilling, S.Ettenauer, C.D.P.Levy, O.Shelbaya, M.R.Pearson

First Experimental Determination of the Charge Radius of 74Rb and Its Application in Tests of the Unitarity of the Cabibbo-Kobayashi-Maskawa Matrix

NUCLEAR MOMENTS 74,75,76,78Rb; measured hyperfine coupling constants; deduced nuclear spins, log ft uncertainty.

doi: 10.1103/PhysRevLett.107.212502
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2010ET01      Phys.Rev. C 81, 024314 (2010)

S.Ettenauer, M.Brodeur, T.Brunner, A.T.Gallant, A.Lapierre, R.Ringle, M.R.Pearson, P.Delheij, J.Lassen, D.Lunney, J.Dilling

Precision ground state mass of 12Be and an isobaric multiplet mass equation (IMME) extrapolation for 2+ and 02++ states in the T=2, A=12 multiplet

ATOMIC MASSES 12Be; measured mass excess using Penning trap mass spectrometer TITAN at TRIUMF. Comparison with previous measurements and evaluations. Analyzed IMME for the lowest lying isospin T=2 multiplet in the A=12 system.

doi: 10.1103/PhysRevC.81.024314
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2009BR10      Phys.Rev. C 80, 044318 (2009)

M.Brodeur, T.Brunner, C.Champagne, S.Ettenauer, M.Smith, A.Lapierre, R.Ringle, V.L.Ryjkov, G.Audi, P.Delheij, D.Lunney, J.Dilling

New mass measurement of 6Li and ppb-level systematic studies of the Penning trap mass spectrometer TITAN

ATOMIC MASSES 6,7Li; measured frequency ratio using the TITAN Penning trap mass spectrometer at ISAC-TRIUMF facility. 6Li; deduced mass. Comparisons with previous measurements and AME-2003 evaluation.

doi: 10.1103/PhysRevC.80.044318
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2009RI03      Phys.Lett. B 675, 170 (2009)

R.Ringle, M.Brodeur, T.Brunner, S.Ettenauer, M.Smith, A.Lapierre, V.L.Ryjkov, P.Delheij, G.W.F.Drake, J.Lassen, D.Lunney, J.Dilling

High-precision Penning trap mass measurements of 9, 10Be and the one-neutron halo nuclide 11Be

ATOMIC MASSES 9,10,11Be [from Rb, Sr, Ta(p, X), E=500 MeV]; measured masses using the TITAN Penning trap mass spectrometer at TRIUMF. 11Be; deduced single-neutron separation energy. Comparison with AME2003.

doi: 10.1016/j.physletb.2009.04.014
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2008ET01      Phys.Rev. C 78, 017302 (2008)

S.Ettenauer, H.Zwahlen, P.Adrich, D.Bazin, C.M.Campbell, J.M.Cook, A.D.Davies, D.-C.Dinca, A.Gade, T.Glasmacher, J.-L.Lecouey, W.F.Mueller, T.Otsuka, R.R.Reynolds, L.A.Riley, J.R.Terry, Y.Utsuno, K.Yoneda

Intermediate-energy Coulomb excitation of 30Na

NUCLEAR REACTIONS 209Bi(30Na, 30Na'), E=80.1 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin, σ(θ). 30Na; deduced B(E2). Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.78.017302
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2008LE12      Phys.Rev.Lett. 100, 192504 (2008)

K.G.Leach, C.E.Svensson, G.C.Ball, J.R.Leslie, R.A.E.Austin, D.Bandyopadhyay, C.Barton, E.Bassiachvilli, S.Ettenauer, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, D.Melconian, A.C.Morton, S.Mythili, O.Newman, C.J.Pearson, M.R.Pearson, A.A.Phillips, H.Savajols, M.A.Schumaker, J.Wong

Internal γ Decay and the Superallowed Branching Ration for the β+ Emitter 38Km

RADIOACTIVITY 38mK(β+), 38mCl(β+);measured positron spectra, Eγ, Iγ, βγ-coin, T1/2; deduced Ft for superallowed decay, comparison with other superallowed decays.

doi: 10.1103/PhysRevLett.100.192504
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2008SM03      Phys.Rev.Lett. 101, 202501 (2008)

M.Smith, M.Brodeur, T.Brunner, S.Ettenauer, A.Lapierre, R.Ringle, V.L.Ryjkov, F.Ames, P.Bricault, G.W.F.Drake, P.Delheij, D.Lunney, F.Sarazin, J.Dilling

First Penning-Trap Mass Measurement of the Exotic Halo Nucleus 11Li

ATOMIC MASSES 11Li; measured mass using a penning trap mass spectrometer.

doi: 10.1103/PhysRevLett.101.202501
Citations: PlumX Metrics


2007GA34      Phys.Rev.Lett. 99, 072502 (2007)

A.Gade, P.Adrich, D.Bazin, M.D.Bowen, B.A.Brown, C.M.Campbell, J.M.Cook, S.Ettenauer, T.Glasmacher, K.W.Kemper, S.McDaniel, A.Obertelli, T.Otsuka, A.Ratkiewicz, K.Siwek, J.R.Terry, J.A.Tostevin, Y.Utsuno, D.Weisshaar

Spectroscopy of 36Mg: Interplay of Normal and Intruder Configurations at the Neutron-Rich Boundary of the "Island of Inversion"

NUCLEAR REACTIONS 9Be(38Si, 36Mg), E=83 MeV/nucleon; measured Eγ, Iγ. 36Mg deduced level energy. Compared results to model calculations.

doi: 10.1103/PhysRevLett.99.072502
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