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NSR database version of April 11, 2024.

Search: Author = D.Lunney

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2023AD06      Eur.Phys.J. C 83, 1004 (2023), Erratum Eur.Phys.J. C 83, 1069 (2023)

P.Adrich, P.Blumer, G.Caratsch, M.Chung, P.Clade, P.Comini, P.Crivelli, O.Dalkarov, P.Debu, A.Douillet, D.Drapier, P.Froelich, N.Garroum, S.Guellati-Khelifa, J.Guyomard, P.-A.Hervieux, L.Hilico, P.Indelicato, S.Jonsell, J.-P.Karr, B.Kim, S.Kim, E.-S.Kim, Y.J.Ko, T.Kosinski, N.Kuroda, B.M.Latacz, B.Lee, H.Lee, J.Lee, E.Lim, L.Liszkay, D.Lunney, G.Manfredi, B.Mansoulie, M.Matusiak, V.Nesvizhevsky, F.Nez, S.Niang, B.Ohayon, K.Park, N.Paul, P.Perez, C.Regenfus, S.Reynaud, C.Roumegou, J.-Y.Rousse, Y.Sacquin, G.Sadowski, J.Sarkisyan, M.Sato, F.Schmidt-Kaler, M.Staszczak, K.Szymczyk, T.A.Tanaka, B.Tuchming, B.Vallage, A.Voronin, D.P.van der Werf, A.Welker, D.Won, S.Wronka, Y.Yamazaki, K.-H.Yoo, P.Yzombard

Production of antihydrogen atoms by 6 keV antiprotons through a positronium cloud

doi: 10.1140/epjc/s10052-023-12137-y
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2023CU04      Phys.Rev.Lett. 131, 202501 (2023)

J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, P.Van Duppen, S.Hilaire, S.Peru, S.Goriely, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, S.D.Prosnyak, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, L.V.Skripnikov, A.Stott, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes

NUCLEAR MOMENTS 176,177,178,179,180,181,182,183,187,191,193,195Au [from U(p, X), E=1.4 GeV]; measured frequencies; deduced mean-squared charge radii, ground-state deformations, nuclear magnetic moments. Comparison with available data. The in-source, resonance-ionization laser spectroscopy technique, at the ISOLDE facility (CERN).

doi: 10.1103/PhysRevLett.131.202501
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2023JA05      Nucl.Phys. A1033, 122636 (2023)

A.Jacobs, C.Andreoiu, J.Bergmann, T.Brunner, T.Dickel, I.Dillmann, E.Dunling, J.Flowerdew, L.Graham, G.Gwinner, Z.Hockenbery, W.J.Huang, B.Kootte, Y.Lan, K.G.Leach, E.Leistenschneider, D.Lunney, E.M.Lykiardopoulou, V.Monier, I.Mukul, S.F.Paul, W.R.Plass, M.P.Reiter, C.Scheidenberger, R.Thompson, J.L.Tracy, C.Will, M.E.Wieser, J.Dilling, A.A.Kwiatkowski

Improved high-precision mass measurements of mid-shell neon isotopes

ATOMIC MASSES 24,25,26Ne; measured radioactive ion beam (RIB) TOF spectra; deduced mass excess. Comparison with AME2020. TRIUMF's Ion Trap for Atomic and Nuclear science (TITAN), the Multi-Reflection Time-of-Flight Mass-Spectrometer (MR-TOF-MS).

doi: 10.1016/j.nuclphysa.2023.122636
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2023LY01      Phys.Rev. C 107, 024311 (2023)

E.M.Lykiardopoulou, G.Audi, T.Dickel, W.J.Huang, D.Lunney, W.R.Plass, M.P.Reiter, J.Dilling, A.A.Kwiatkowski, for the TITAN Collaboration

Exploring the limits of existence of proton-rich nuclei in the Z=70-82 region

ATOMIC MASSES 148Tb, 150,151,152,153,155Yb, 151Er, 151,153,154,156Lu, 152Ho, 152,156,157Tm, 156,157,159Hf, 157,158,160Ta, 160,161,163W, 161,162,164Re, 164,165,167Os, 165,166,168Ir, 168,169,171Pt, 170,172Au, 172,173,175Hg, 175Tl, 179Pb; analyzed experimental data on mass excess of 151,152,153,155Yb isotopes obtained in 2021BE23 (Phys.Rev.Lett. 127, 112501); deduced mass excess, S(p), S(2p), Thomas-Ehrmann shift. Values obtained by combining α-, β-, and proton-decay energies together with new experimental data on mass of Yb isotopes. Systematics of one and two proton separation energies for Tb, Dy, Ho, Er, Tm, Yb, Lu, Hf, Ta, W, Re, Os, Ir, Pt, Au, Hg, Tl, Pb isotopic chains. Comparison to AME2020.

doi: 10.1103/PhysRevC.107.024311
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2023MA14      Eur.Phys.J. A 59, 22 (2023)

V.Manea, M.Mougeot, D.Lunney

The empirical shell gap revisited in light of recent high precision mass spectrometry data

NUCLEAR STRUCTURE Z<100; analyzed available data; deduced the phenomenon of mutually enhanced magicity based on the current experimental knowledge of atomic masses, including some recent precision measurements performed with the ISOLTRAP mass spectrometer at ISOLDE/CERN.

doi: 10.1140/epja/s10050-023-00929-5
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2023NI07      Phys.Rev.Lett. 131, 022502 (2023)

L.Nies, D.Atanasov, M.Athanasakis-Kaklamanakis, M.Au, K.Blaum, J.Dobaczewski, B.S.Hu, J.D.Holt, J.Karthein, I.Kulikov, Y.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, M.Mougeot, L.Schweikhard, A.Schwenk, K.Sieja, F.Wienholtz

Isomeric Excitation Energy for 99Inm from Mass Spectrometry Reveals Constant Trend Next to Doubly Magic 100Sn

ATOMIC MASSES 99,100,101In; measured TOF; deduced mass excess, excitation energies. The ISOLTRAP mass spectrometer at ISOLDE/CERN.

RADIOACTIVITY 99In(IT); measured decay products; deduced excitation energy with small uncertainty, intriguing constancy of the isomer excitation energies in neutron-deficient indium that persists down to the N=50 shell closure, even when all neutrons are removed from the valence shell. Comparison with large-scale shell model, ab initio, and density functional theory calculations.

doi: 10.1103/PhysRevLett.131.022502
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2023NI10      Phys.Rev.Lett. 131, 222503 (2023)

L.Nies, L.Canete, D.D.Dao, S.Giraud, A.Kankainen, D.Lunney, F.Nowacki, B.Bastin, M.Stryjczyk, P.Ascher, K.Blaum, R.B.Cakirli, T.Eronen, P.Fischer, M.Flayol, V.Girard Alcindor, A.Herlert, A.Jokinen, A.Khanam, U.Koster, D.Lange, I.D.Moore, M.Muller, M.Mougeot, D.A.Nesterenko, H.Penttila, C.Petrone, I.Pohjalainen, A.de Roubin, V.Rubchenya, Ch.Schweiger, L.Schweikhard, M.Vilen, J.Aysto

Further Evidence for Shape Coexistence in 79Znm near Doubly Magic 78Ni

ATOMIC MASSES 79Zn; measured frequencies, TOF; deduced the excitation energy of the 1/2+ isomer, the bandhead of a low-lying deformed structure akin to a predicted low-lying deformed band, shape coexistence. Comparison with state-of-the-art shell-model diagonalizations, complemented with discrete nonorthogonal shell-model calculations. The time-of-flight ion cyclotron resonance (TOF-ICR) method, the JYFLTRAP double Penning trap at the ion guide isotope separator on-line (IGISOL) facility in Jyvaskyla (Finland), and the multi-reflection time-of-flight mass spectrometer (MR-TOF MS) of ISOLTRAP at ISOLDE at CERN (Switzerland).

doi: 10.1103/PhysRevLett.131.222503
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2022SI20      Phys.Lett. B 833, 137288 (2022)

R.Silwal, C.Andreoiu, B.Ashrafkhani, J.Bergmann, T.Brunner, J.Cardona, K.Dietrich, E.Dunling, G.Gwinner, Z.Hockenbery, J.D.Holt, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, Y.Lan, D.Lunney, E.M.Lykiardopoulou, T.Miyagi, M.Mougeot, I.Mukul, T.Murbock, W.S.Porter, M.Reiter, J.Ringuette, J.Dilling, A.A.Kwiatkowski

Summit of the N=40 island of inversion: Precision mass measurements and ab initio calculations of neutron-rich chromium isotopes

ATOMIC MASSES 59Cr, 61,62,63,64,65Cr; measured frequencies, TOF; deduced mass excess values, pairing gap, two-neutron separation energies, intruder configurations. Comparison with theoretical calculations, AME2020 evaluation. MR-TOF-MS, part of the TRIUMF's Ion Trap for Atomic and Nuclear Science (TITAN) facility.

doi: 10.1016/j.physletb.2022.137288
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2021DA01      Phys.Rev.Lett. 126, 032502 (2021)

T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, B.A.Marsh, S.Sels, P.Ring, H.Nakada, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, P.L.Molkanov, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya, K.Zuber

Laser Spectroscopy of Neutron-Rich 207, 208Hg Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N = 126 Shell Closure

NUCLEAR MOMENTS 202,203,206,207,208Hg; measured frequencies; deduced hyperfine spectra, mean-square charge radii. Comparison with relativistic Hartree-Bogoliubov and nonrelativistic Hartree-Fock-Bogoliubov approaches, available data.

doi: 10.1103/PhysRevLett.126.032502
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2021DA16      Phys.Rev. C 104, 054322 (2021)

T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, L.Nies, B.A.Marsh, S.Sels, U.C.Perera, P.Ring, F.Wienholtz, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, R.S.Augusto, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, A.Gottberg, M.Huyse, S.Kreim, P.Kunz, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, M.Mougeot, J.P.Ramos, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, R.N.Wolf, A.Zadvornaya, K.Zuber

Charge radii, moments, and masses of mercury isotopes across the N=126 shell closure

NUCLEAR MOMENTS 198,202,203,206,207,208Hg; measured hyperfine structure spectra using Versatile Arc Discharge and Laser Ion Source (VADLIS) in CERN-ISOLDE Resonance Ionization Laser Ion Source (RILIS) mode; deduced isotope shifts (δν) and charge radii (δ<r2) with respect to 198Hg, hyperfine factors a and b, static magnetic dipole (μ) and electric quadrupole (Q) moments for the ground states of 203Hg and 207Hg, Comparison of g factors with Schmidt values for 207Hg, 209Pb, 210Bi and 211Po, and charge radii, and odd-even staggering (OES) of the mean square charge radii with relativistic Hartree-Bogoliubov (RHB) calculations using DD-ME2, DD-MEδ, DD-PC1 and NL3* covariant energy-density functionals for 197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Pb, 201,202,203,204,205,206,207,208,209,210Hg. Source of Hg isotopes were produced in Pb(p, X), E=1.4 GeV reaction, and using VADLIS+RILIS ion source, followed by separation of fragments using ISOLDE General Purpose Separator. 183,184,185,202,203,206,207,208Hg; measured ionization and release efficiency as a function of the half-life of mercury isotopes from a molten lead target, and compared with ABRABLA, FLUKA, and GEANT4 simulations.

ATOMIC MASSES 206,207,208Hg, 208Pb; measured time-of-flight ion-cyclotron resonances, with reference to 208Pb using the RILIS+VADIS ion source and ISOLTRAP MR-ToF mass spectrometer (MS) at CERN-ISOLDE; deduced mass excesses for 206,207,208Hg, and compared with AME2020 values.

doi: 10.1103/PhysRevC.104.054322
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2021MO23      Nat.Phys. 17, 1099 (2021)

M.Mougeot, D.Atanasov, J.Karthein, R.N.Wolf, P.Ascher, K.Blaum, K.Chrysalidis, G.Hagen, J.D.Holt, W.J.Huang, G.R.Jansen, I.Kulikov, Yu.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, T.Papenbrock, L.Schweikhard, A.Schwenk, T.Steinsberger, S.R.Stroberg, Z.H.Sun, A.Welker, F.Wienholtz, S.G.Wilkins, K.Zuber

Mass measurements of 99-101In challenge ab initio nuclear theory of the nuclide 100Sn

NUCLEAR REACTIONS La(p, X)99In/100In/101In, E=1.4 GeV; measured reaction products, TOF; deduced atomic masses. Comparison with AME2020, theoretical calculations.

doi: 10.1038/s41567-021-01326-9
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2020BA17      Phys.Rev. C 101, 034308 (2020)

A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, Yu.A.Demidov, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, M.G.Kozlov, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Hyperfine anomaly in gold and magnetic moments of Iπ = 11/2- gold isomers

NUCLEAR MOMENTS 177m,191m,193m,195mAu; measured hyperfine structure spectra (hfs), hyperfine splitting, differential hyperfine anomaly, magnetic dipole moments using in-source laser resonance-ionization spectroscopy (RILIS) at CERN-ISOLDE. Mass separated Au beams were produced in U(p, X), E=1.4 GeV reaction, and delivered to either the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer (MR-ToF MS) or the Windmill (WM) decay station. Comparison to the previously measured magnetic moments. 185,186,187,189,189m,191,193,194Au; re-evaluated previously measured magnetic dipole moments by properly accounting for the hyperfine anomaly.

doi: 10.1103/PhysRevC.101.034308
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2020BA29      Phys.Rev. C 101, 064321 (2020)

A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Shape coexistence in 187Au studied by laser spectroscopy

NUCLEAR MOMENTS 187,187mAu; measured hyperfine-structure (hfs) spectrum, time-of-flight of the 9/2- isomer of 187Au using ISOLTRAP's multireflection time-of-flight mass separator (MR-ToF-MS) and resonance-ionization laser spectroscopy technique at CERN-ISOLDE. 187mAu; deduced hfs parameters, isotope shift, mean-square charge radius, magnetic moment, shape coexistence, Nilsson configuration. 187,187mAu produced in U(p, F), E=1.4 GeV reaction, and separated in mass-to-charge ratio using the General Purpose Separator (GPS) of ISOLDE. Systematics of changes in mean-square charge radii for A=183-199 Au isotopes. Systematics of magnetic moments of the 9/2-, πh9/2 states in Bi, Th, Au and Fr isotopes.

doi: 10.1103/PhysRevC.101.064321
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2020CU04      Phys.Rev. C 102, 044332 (2020)

J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, V.Manea, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, A.Stott, C.Van Beveren, P.Van Duppen, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Laser-assisted decay spectroscopy and mass spectrometry of 178Au

NUCLEAR MOMENTS 178,178mAu; measured hyperfine structure spectrum using multireflection time-of-flight mass spectrometer (MR-ToF MS) at CERN-ISOLDE; deduced spins based on hyperfine structure intensity patterns, magnetic dipole moments, Nilsson configurations.

ATOMIC MASSES 178,178mAu; measured cyclotron frequency using time-of-flight ion-cyclotron (TOF-ICR) technique using Penning-trap system of ISOLTRAP at CERN-ISOLDE; deduced mass excesses, and excitation energy of the isomer in 178Au.

RADIOACTIVITY 178,178mAu(α), (EC), (β+)[from U(p, X), E=1.4 GeV, followed by laser ionization and separation by mass-to-charge ratio using the GPS, then transported to Windmill (WM) system]; 178Pt(α)[from 178Au ϵ decay]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x rays)-coin, half-lives of decays of 178Au and 178mAu using Si detectors for α particles and LEGe detector for γ rays. 178,178mAu; deduced branching ratios for α and ϵ decay modes, reduced α-decay widths, α-hindrance factors (HF), Nilsson configurations. 174,174mIr; deduced levels, J, total conversion coefficient for 56.8-keV transition in 174Ir, multipolarities, configurations, energy of the isomer. 174Ir(α)[from 178Au α decay]; measured αγ-coin. 170Re; deduced possible isomer in 170Re.

doi: 10.1103/PhysRevC.102.044332
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2020HA24      Phys.Rev. C 102, 024312 (2020)

R.D.Harding, A.N.Andreyev, A.E.Barzakh, D.Atanasov, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, A.Pastore, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Laser-assisted decay spectroscopy for the ground states of 180, 182Au

NUCLEAR MOMENTS 180,182Au; measured hyperfine structure spectra, magnetic moments of the ground states using the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer and laser spectroscopy at ISOLDE, CERN; deduced J, π, Nilsson configurations of ground states. Comparison with theoretical magnetic moments, and with previous experimental results. Laser-ionized and mass-separated 180,182Au isotopes formed in 238U(p, X), E=1.4 GeV spallation reaction.

RADIOACTIVITY 180Au(α), (β+)[from 238U(p, X), E=1.4 GeV, followed by separation using RILIS, General purpose separator (GPS) at ISOLDE-CERN]; measured Eα, Iα, Eγ, Iγ, I(x rays), αγ- and γγ-coin, half-life of 180Au decay. 176Ir; deduced levels, J, π, α-branching ratio, total conversion coefficients, multipolarities, α-hindrance factors.

doi: 10.1103/PhysRevC.102.024312
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2020KU19      Nucl.Phys. A1002, 121990 (2020)

I.Kulikov, A.Algora, D.Atanasov, P.Ascher, K.Blaum, R.B.Cakirli, A.Herlert, W.J.Huang, J.Karthein, Yu.A.Litvinov, D.Lunney, V.Manea, M.Mougeot, L.Schweikhard, A.Welker, F.Wienholtz

Masses of short-lived 49Sc, 50Sc, 70As, 73Br and stable 196Hg nuclides

ATOMIC MASSES 49,50Sc, 70As, 73Br, 196Hg; measured frequencies, time of flight; deduced mass excesses. Comparison with AME2016 evaluation.

doi: 10.1016/j.nuclphysa.2020.121990
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2020MA09      Phys.Rev.Lett. 124, 092502 (2020)

V.Manea, J.Karthein, D.Atanasov, M.Bender, K.Blaum, T.E.Cocolios, S.Eliseev, A.Herlert, J.D.Holt, W.J.Huang, Y.A.Litvinov, D.Lunney, J.Menendez, M.Mougeot, D.Neidherr, L.Schweikhard, A.Schwenk, J.Simonis, A.Welker, F.Wienholtz, K.Zuber

First Glimpse of the N=82 Shell Closure below Z=50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers

ATOMIC MASSES 124,126,127,127m,128,129,129m,131,132Cd; measured mass excesses using phase-imaging ion cyclotron-resonance (PI-ICR) method with the ISOLTRAP spectrometer at ISOLDE-CERN. Cd isotopes were produced in U(p, F), E=1.4 GeV reaction followed by separation of fission fragments using ISOLDE High-resolution separator. Comparison with literature data in AME2016 evaluation, and with large-scale shell-model, mean-field, beyond-mean-field, and ab initio valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(n) for N=81, 83 and Z=48-68, and for two-neutron shell gaps for N=82, Z=42-70 nuclei.

doi: 10.1103/PhysRevLett.124.092502
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2020MI01      Nucl.Instrum.Methods Phys.Res. B463, 315 (2020)

E.Minaya Ramirez, P.Chauveau, S.Franchoo, J.Ljungvall, A.Lopez-Martens, D.Lunney, M.MacCormick, L.Perrot, P.G.Thirolf

New program for measuring masses of silver isotopes near the N=82 shell closure with MLLTRAP at ALTO

doi: 10.1016/j.nimb.2019.04.075
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2020MO25      Phys.Rev. C 102, 014301 (2020)

M.Mougeot, D.Atanasov, C.Barbieri, K.Blaum, M.Breitenfeld, A.de Roubin, T.Duguet, S.George, F.Herfurth, A.Herlert, J.D.Holt, J.Karthein, D.Lunney, V.Manea, P.Navratil, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Schwenk, V.Soma, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Examining the N=28 shell closure through high-precision mass measurements of 46-48Ar

ATOMIC MASSES 46,47,48Ar; measured Ramsey-type time-of-flight ion-cyclotron-resonances (TOF-ICR), mass excesses using the ISOLTRAP Penning trap mass spectrometer at CERN-ISOLDE. Comparison with previous experimental results, and with AME2016 and AME2012 evaluations. Radioactive argon isotopes produced in U(p, F), E=1.4 GeV reaction, and separated using ISOLTRAP on-line mass spectrometer and the ISOLDE High-Resolution Separator (HRS). Comparison with ab initio calculations using the valence space in-medium similarity renormalization group (VS-IMSRG) with self-consistent Green's function approach, and with the predictions from the UNEDF0 density functional, SDPF-U shell model. Systematics of S(2n) and pairing gaps in N=24-32 S, Cl, Ar, K, and Ca isotopes.

doi: 10.1103/PhysRevC.102.014301
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2019AS04      Phys.Rev. C 100, 014304 (2019)

P.Ascher, N.Althubiti, D.Atanasov, K.Blaum, R.B.Cakirli, S.Grevy, F.Herfurth, S.Kreim, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Mass measurements of neutron-rich isotopes near N=20 by in-trap decay with the ISOLTRAP spectrometer

ATOMIC MASSES 33,34Mg, 34Al, 34mAl, 34Si; measured cyclotron frequency ratios, and mass excesses using the ISOLTRAP Penning-trap spectrometer at ISOLDE-CERN. Combined mass excess for 34Al and 34mAl, as the two could not be separated. Comparison with AME-2016 evaluation. The 33,34Mg and 34Al isotopes were produced in UCx(p, X), E=1.4 GeV reaction, followed by laser-ionization by RILIS at ISOLDE-CERN. 34mAl and 34Si were obtained from the decay of 34Mg.

doi: 10.1103/PhysRevC.100.014304
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2019BA22      Phys.Rev. C 99, 054317 (2019)

A.E.Barzakh, J.G.Cubiss, A.N.Andreyev, M.D.Seliverstov, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, P.Van Duppen, Y.Wakabayashi, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber

Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in 217, 218, 219At revealed by in-source laser spectroscopy

NUCLEAR MOMENTS 217,218,219At; measured hyperfine structure spectra, isotopic shifts, and hyperfine splitting constants using in-source resonance-ionization technique at CERN-ISOLDE; deduced magnetic dipole and electric quadrupole moments, changes in nuclear mean-square charge radii, octupole collectivity. 217,218,219At isotopes produced in U(p, X), E=1.4 GeV reaction. Systematics of g factors in 209,211,213Bi, 211,217,219At, 213,219,221,223,225Fr, 215,217,227Ac, changes in rms charge radii for 207,208,209,210,211,217,218,219At, shell-effect parameters in Pb, Bi, Po, At, Rn, Fr, Ra, Ac isotopes, and odd-even staggering in 205,207,209,211Pb, 207,209,217Po, 208,210,218At, 210,212,220,222,224,226Fr, 219,221Rn, 221,223,225,227Ra.

doi: 10.1103/PhysRevC.99.054317
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2019HU15      Eur.Phys.J. A 55, 96 (2019)

W.J.Huang, D.Atanasov, G.Audi, K.Blaum, R.B.Cakirli, A.Herlert, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, V.Manea, M.Mougeot, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Evaluation of high-precision atomic masses of A ∼ 50-80 and rare-earth nuclides measured with ISOLTRAP

NUCLEAR REACTIONS Ta, U(p, x), E=1.4 GeV; measured reactions on thick, heated target[U in the form of uranium carbide] using Penning-trap spectrometer ISOLTRAP. 52,53,54,55,56,57Cr, 55Mn, 56,59Fe, 59Co, 75,77,78,79Ga, 140Ce, 140Nd, 156Dy, 160Yb, 168mLu, 178Yb; deduced mass excess. Compared with AME2012, suggested combined mass excess value.

doi: 10.1140/epja/i2019-12775-5
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2019KA30      Phys.Rev. C 100, 015502 (2019);Erratum Phys. Rev. C 101, 049901 (2020)

J.Karthein, D.Atanasov, K.Blaum, M.Breitenfeldt, V.Bondar, S.George, L.Hayen, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, L.Schweikhard, N.Severijns, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

QEC-value determination for 21Na → 21Ne and 23Mg → 23Na mirror-nuclei decays using high-precision mass spectrometry with ISOLTRAP at the CERN ISOLDE facility

ATOMIC MASSES 21Na, 23Mg; measured time-of-flight spectrum using laser ionization, Ramsey-type ion-cyclotron resonances, cyclotron frequency ratios using ISOLTRAP at ISOLDE-CERN facility; deduced Q(ϵ) values. Comparison with previous measurements.

RADIOACTIVITY 21Na, 23Mg(EC)[from SiC(p, X), E=1.4 GeV from CERN Proton-Synchrotron booster, followed by magnetic mass separation using the general-purpose separator (GPS), laser ion source VADLIS, and ISOLDE resonant ionization laser ion source RILIS]; deduced Q(ϵ) from measured mass excesses, logft, up-down Vud element of the Cabibbo-Kobayashi-Maskawa quark mixing matrix. Comparison between Vud values for mirror-nuclei: 19Ne, 29P, 35Ar, 37K and 21Na.

doi: 10.1103/PhysRevC.100.015502
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2019KA48      Hyperfine Interactions 240, 61 (2019)

J.Karthein, D.Atanasov, K.Blaum, S.Eliseev, P.Filianin, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, Y.Novikov, L.Schweikhard, A.Welker, F.Wienholtz, K.Zuber

Direct decay-energy measurement as a route to the neutrino mass

RADIOACTIVITY 131Cs(EC); measured decay products, frequencies; deduced Q-value, mass excess, excluded this transition for neutrino mass measurements.

doi: 10.1007/s10751-019-1601-z
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2019SE04      Phys.Rev. C 99, 044306 (2019)

S.Sels, T.Day Goodacre, B.A.Marsh, A.Pastore, W.Ryssens, Y.Tsunoda, N.Althubiti, B.Andel, A.N.Andreyev, D.Atanasov, A.E.Barzakh, M.Bender, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, J.Dobaczewski, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, P.-H.Heenen, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, T.Otsuka, J.P.Ramos, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya

Shape staggering of midshell mercury isotopes from in-source laser spectroscopy compared with density-functional-theory and Monte Carlo shell-model calculations

NUCLEAR MOMENTS 177,178,179,180,181,182,183,184,185,185mHg; measured hyperfine structure (hfs) spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method combined with decay spectroscopy, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE facility; deduced magnetic dipole moments, and spectroscopic quadrupole moments, configurations. Comparison with theoretical calculations using density functional theory (DFT) with Skyrme parametrizations, and Monte Carlo shell model (MCSM). Ions of Hg activities produced in Pb(p, X), E=1.4 GeV, using molten lead target.

NUCLEAR REACTIONS Pb, U(p, X)177Hg/178Hg/179Hg/180Hg/181Hg/182Hg/183Hg/184Hg/185Hg/185mHg, E=1.4 GeV from PS-Booster synchrotron; measured production yields for different target-ion source configurations: VADLIS or RILIS at CERN-ISOLDE facility.

doi: 10.1103/PhysRevC.99.044306
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2018CU02      Phys.Rev. C 97, 054327 (2018)

J.G.Cubiss, A.E.Barzakh, M.D.Seliverstov, A.N.Andreyev, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, P.Van Duppen, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber

Charge radii and electromagnetic moments of 195-211At

NUCLEAR MOMENTS 195,195m,196,197,197m,198,198m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211At; measured hfs spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE; deduced magnetic dipole moments and spectroscopic quadrupole moments, configurations, and quadrupole deformation parameters. 206At; deduced J. Detailed systematics of magnetic dipole moments, spectroscopic quadrupole moments, deformations, and rms charge radii in Hg, Tl, Pb, Bi, Po, At, Fr, Ra and Ac nuclei. Comparison with theoretical calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method.

NUCLEAR REACTIONS U(p, X)195At/195mAt/196At/197At/197mAt/198At/198mAt/199At/199mAt/200At/200m1At/200m2At/201At/202At/202mAt/203At/204At/205At/206At/207At/208At/209At/210At/211At, E=1.4 GeV; produced radioactive astatine isotopes by spallation reaction with beam from CERN PS Booster impinging on a thick UCx target, followed by injection into a hot cavity of the Resonance Ionization Laser Ion Source (RILIS), and ionization by a three-step photoionization scheme.

doi: 10.1103/PhysRevC.97.054327
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2018CU04      Phys.Lett. B 786, 355 (2018)

J.G.Cubiss, A.E.Barzakh, A.N.Andreyev, M.Al Monthery, N.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.P.Gaffney, L.Ghys, A.Gredley, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, U.Koster, S.Kreim, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, P.Mosat, D.Neidherr, G.G.O'Neill, R.D.Page, T.J.Procter, E.Rapisarda, M.Rosenbusch, S.Rothe, K.Sandhu, L.Schweikhard, M.D.Seliverstov, S.Sels, P.Spagnoletti, V.L.Truesdale, C.Van Beveren, P.Van Duppen, M.Veinhard, M.Venhart, M.Veselsky, F.Wearing, A.Welker, F.Wienholtz, R.N.Wolf, S.G.Zemlyanoy, K.Zuber

Change in structure between the I=1/2 states in 181Tl and 177, 179Au

RADIOACTIVITY 181Tl(α) [from U(p, X), E=1.4 GeV]; measured decay products, Eα, Iα; deduced α-decay branching ratio and T1/2. Comparison with available data.

NUCLEAR MOMENTS 177,179Au; measured frequencies; deduced hyperfine spectra, magnetic dipole moments, J assignments of the ground states.

doi: 10.1016/j.physletb.2018.10.005
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2018MO14      Phys.Rev.Lett. 120, 232501 (2018)

M.Mougeot, D.Atanasov, K.Blaum, K.Chrysalidis, T.Day Goodacre, D.Fedorov, V.Fedosseev, S.George, F.Herfurth, J.D.Holt, D.Lunney, V.Manea, B.Marsh, D.Neidherr, M.Rosenbusch, S.Rothe, L.Schweikhard, A.Schwenk, C.Seiffert, J.Simonis, S.R.Stroberg, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Precision Mass Measurements of 58-63Cr: Nuclear Collectivity Towards the N=40 Island of Inversion

ATOMIC MASSES 58,59,60,61,62,63Cr; measured cyclotron frequency, TOF; deduced mass excesses. Comparison with AME16, theoretical calculations.

doi: 10.1103/PhysRevLett.120.232501
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2017AL34      Phys.Rev. C 96, 044325 (2017)

N.A.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, K.Heyde, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber, for the ISOLTRAP Collaboration

Spectroscopy of the long-lived excited state in the neutron-deficient nuclides 195, 197, 199Po by precision mass measurements

ATOMIC MASSES 195,195m,196,197,197m,199m,203,208Po; measured cyclotron frequency ratios, mass excesses using ISOLTRAP Penning-trap mass spectrometer at ISOLDE-CERN. The Po isotopes produced in U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer. 191m,193mPb, 195m,197mPo, 199m,201mRn, 203m,205mRa; deduced level energies of 13/2+ isomers in odd-A polonium isotopes from mass measurements, and other isomers from α decay. Comparison with evaluated data in AME-2016.

RADIOACTIVITY 195,195m,197,197m,199mPo(α)[from U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer at ISOLDE-CERN]; measured Eα, Iα.

doi: 10.1103/PhysRevC.96.044325
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2017AT01      J.Phys.(London) G44, 044004 (2017)

D.Atanasov, D.Beck, K.Blaum, C.Borgmann, R.B.Cakirli, T.Eronen, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, Y.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber

Precision mass measurements of cesium isotopes-new entries in the ISOLTRAP chronicles

ATOMIC MASSES 123,146,147,148Cs [from U(p, X)148Cs/147Cs/146Cs/132Cs, E=1.4 GeV]; measured the time-of-flight resonances; deduced time-of- flight ion-cyclotron resonance spectrum, mass excess. Comparison with AME2012 evaluation.

doi: 10.1088/1361-6471/aa5a20
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2017DE18      Phys.Rev. C 96, 014310 (2017);Erratum Phys.Rev. C 97, 059902 (2018)

A.de Roubin, D.Atanasov, K.Blaum, S.George, F.Herfurth, D.Kisler, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, M.Mougeot, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Nuclear deformation in the A ≈ 100 region: Comparison between new masses and mean-field predictions

ATOMIC MASSES 100,101,102Sr, 100,101,102Rb; measured frequency ratios and mass excesses by the time-of-flight ion cyclotron resonance (ToF-ICR) method using the multireflection time-of-flight mass spectrometer (MR-ToF MS), precision Penning traps, and ISOLTRAP at ISOLDE/CERN. The Sr and Rb isotopes produced as fission fragments in U(p, F), E=1.4 GeV using uranium carbide target, and ISOLDE high-resolution separator (HRS). Comparison with previous measurements, AME-2012 evaluation, and different self-consistent mean-field calculations with different Skyrme and Gogny effective interactions. Systematics of experimental and theoretical S(2n), root mean square charge radii, and odd-even staggering for N=56-66 Rb, Sr and Kr nuclei. Discussed competition of nuclear shapes in the A=100 mass region.

doi: 10.1103/PhysRevC.96.014310
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2017GA20      Phys.Rev. C 96, 024325 (2017)

A.T.Gallant, M.Alanssari, J.C.Bale, C.Andreoiu, B.R.Barquest, U.Chowdhury, J.Even, A.Finlay, D.Frekers, G.Gwinner, R.Klawitter, B.Kootte, A.A.Kwiatkowski, D.Lascar, K.G.Leach, E.Leistenschneider, A.Lennarz, A.J.Mayer, D.Short, R.Thompson, M.Wieser, D.Lunney, J.Dilling

Mass determination near N=20 for Al and Na isotopes

ATOMIC MASSES 31,32Na, 29,34,35Al; measured cyclotron frequencies and mass excesses by time-of-flight ion-cyclotron-resonance (TOF-ICR) technique using the TITAN Penning trap mass spectrometer at ISAC-TRIUMF; deduced S(2n). Radioactive isotopes produced via the isotope separator on-line (ISOL) technique by a 480-MeV proton beam impinging on a UCx target, followed by the separation of sodium isotopes by surface ionization, and aluminum isotopes by the TRIUMF Resonant Ionization Laser Ion Source (TRILIS). Comparison with previous experimental values and mass evaluations. Systematics of S(2n) values for N=18-25 Na, Mg, and Al isotopic chains.

doi: 10.1103/PhysRevC.96.024325
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2017LU04      J.Phys.(London) G44, 064008 (2017)

D.Lunney, and the ISOLTRAP Collaboration

Extending and refining the nuclear mass surface with ISOLTRAP

doi: 10.1088/1361-6471/aa6752
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2017MA29      Phys.Rev. C 95, 054322 (2017)

V.Manea, P.Ascher, D.Atanasov, A.E.Barzakh, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, B.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber

Penning-trap mass spectrometry and mean-field study of nuclear shape coexistence in the neutron-deficient lead region

ATOMIC MASSES 180,185,188,190Au, 197,197m,219At; measured cyclotron frequency ratios with respect to 133Cs+ by the time-of-flight ion-cyclotron-resonance (ToF-ICR) technique using ISOLTRAP at ISOLDE-CERN; deduced mass excesses, and compared to values from AME-2012. Isotopes prepared by 1.4-GeV protons incident on UCx target at CERN's proton synchrotron booster (PSB), followed by selective ionization by resonance-ionization laser ion source (RILIS), and mass separation using magnetic separators at ISOLDE. 197At; deduced ground state and the energy of the isomer. Systematics of S(2n) and rms charge radii for N=100-114, Au and Hg isotopes.

doi: 10.1103/PhysRevC.95.054322
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2017WE09      Eur.Phys.J. A 53, 153 (2017)

A.Welker, P.Filianin, N.A.S.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, S.Eliseev, F.Herfurth, S.Kreim, D.Lunney, V.Manea, D.Neidherr, Yu.Novikov, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber

Precision electron-capture energy in 202Pb and its relevance for neutrino mass determination

ATOMIC PHYSICS 202Tl, 202Pb; measured cyclotron frequency of ionized atoms relative to 133Cs, 181Ta16O and 203Tl using Penning trap mass spectrometer ISOLTRAP at ISOLDE (CERN); deduced electron capture Q-value. Planned using EC capture to determine electron neutrino mass in few-eV level using cryogenic micro-calorimeter.

doi: 10.1140/epja/i2017-12345-y
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2017WE16      Phys.Rev.Lett. 119, 192502 (2017)

A.Welker, N.A.S.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, F.Herfurth, S.Kreim, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, F.Nowacki, A.Poves, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber

Binding Energy of 79Cu: Probing the Structure of the Doubly Magic 78Ni from Only One Proton Away

ATOMIC MASSES 75,76,77,78,79Cu; measured TOF ion-cyclotron resonance; deduced mass excess. Comparison with AME2016 evaluation.

doi: 10.1103/PhysRevLett.119.192502
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2015AT03      Phys.Rev.Lett. 115, 232501 (2015)

D.Atanasov, P.Ascher, K.Blaum, R.B.Cakirli, T.E.Cocolios, S.George, S.Goriely, F.Herfurth, H.-T.Janka, O.Just, M.Kowalska, S.Kreim, D.Kisler, Y.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber

Precision Mass Measurements of 129-131Cd and Their Impact on Stellar Nucleosynthesis via the Rapid Neutron Capture Process

ATOMIC MASSES 129,130,131Cd; measured TOF-ICR resonance spectra; deduced masses, corrections to the existing values, neutron separation energies. Penning-trap spectrometer ISOLTRAP at ISOLDE/CERN.

doi: 10.1103/PhysRevLett.115.232501
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2015AU02      At.Data Nucl.Data Tables 103-104, 1 (2015); See 2014PF01

G.Audi, K.Blaum, M.Block, G.Bollen, S.Goriely, J.C.Hardy, F.Herfurth, F.G.Kondev, H.-J.Kluge, D.Lunney, J.M.Pearson, G.Savard, K.S.Sharma, M.Wang, Y.H.Zhang

Comment on "Atomic mass compilation 2012" by B. Pfeiffer, K. Venkataramaniah, U. Czok, C. Scheidenberger

COMPILATION 45Cr, 47Ar, 65As, 73Ge, 100Sn, 286Nh; compiled experimental atomic masses; deduced differences with work of B. Pfeiffer et al.

doi: 10.1016/j.adt.2014.05.003
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2015KW01      Phys.Rev. C 92, 061301 (2015)

A.A.Kwiatkowski, C.Andreoiu, J.C.Bale, A.Chaudhuri, U.Chowdhury, S.Malbrunot-Ettenauer, A.T.Gallant, A.Grossheim, G.Gwinner, A.Lennarz, T.D.Macdonald, T.J.M.Rauch, B.E.Schultz, S.Seeraji, M.C.Simon, V.V.Simon, D.Lunney, A.Poves, J.Dilling

Observation of a crossover of S2n in the island of inversion from precision mass spectrometry

ATOMIC MASSES 27,29,30,31,32,33,34Al; measured TOF-ICR resonance, mass excess using Ion Trap for Atomic and Nuclear science (TITAN) Penning-trap facility at TRIUMF. Comparison with AME-2012, and previous experimental values. Systematics of S(2n) values for 28,29,30,31,32,33,34,35,36,37Mg, 29,30,31,32,33,34,35,36,37,38Al, comparison of experimental and theoretical values; deduced crossover at N=21 in the island of inversion. Large-scale shell-model calculations.

doi: 10.1103/PhysRevC.92.061301
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2015MA30      Phys.Rev. C 91, 045504 (2015)

S.Malbrunot-Ettenauer, T.Brunner, U.Chowdhury, A.T.Gallant, V.V.Simon, M.Brodeur, A.Chaudhuri, E.Mane, M.C.Simon, 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

Penning trap mass measurements utilizing highly charged ions as a path to benchmark isospin-symmetry breaking corrections in 74Rb

ATOMIC MASSES 74Ga, 74,75,76,85,87Rb; measured cyclotron frequency ratios of Rb isotopes in q=8-12 charge states relative to that of 85Rb using TITAN at TRIUMF-ISAC facility; deduced mass excesses and compared to previous experimental data.

RADIOACTIVITY 74Rb(EC); deduced Q value and logft using mass excess from current and previous studies. Systematics of superallowed β decays of 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb. Discussed test of the isospin-symmetry correction term δC.

NUCLEAR REACTIONS Nb(p, X)74Rb/75Rb/76Rb/78Rb/74Ga, E=500 MeV; measured yields, TOF ion-cyclotron resonances for highly-charged Rb isotopes, TOF of ions with reference to highly-charged 85Rb isotope using TITAN at TRIUMF-ISAC facility.

doi: 10.1103/PhysRevC.91.045504
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2015RO10      Phys.Rev.Lett. 114, 202501 (2015)

M.Rosenbusch, P.Ascher, D.Atanasov, C.Barbieri, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, A.Cipollone, S.George, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, P.Navratil, D.Neidherr, L.Schweikhard, V.Soma, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber

Probing the N=32 Shell Closure below the Magic Proton Number Z=20: Mass Measurements of the Exotic Isotopes 52, 53K

ATOMIC MASSES 52,53K; measured time-of-flight spectra for nuclides; deduced masses. Comparison with Skyrme-Hartree-Fock-Bogoliubov and ab initio Gorkov-Green function calculations.

doi: 10.1103/PhysRevLett.114.202501
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2014BO26      Phys.Rev. C 90, 044307 (2014)

Ch.Bohm, Ch.Borgmann, G.Audi, D.Beck, K.Blaum, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, S.Eliseev, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, M.Wang, R.N.Wolf, K.Zuber

Evolution of nuclear ground-state properties of neutron-deficient isotopes around Z=82 from precision mass measurements

ATOMIC MASSES 184,186,190m,193m,194,194m,195,195m,198,198mTl, 202,208Pb, 207,208Fr, 224Ra; measured cyclotron frequencies high-precision mass excesses using Penning-trap ISOLTRAP at ISOLDE/CERN; deduced S(2n), S(2p), pairing gap parameter, odd-even effect. Isotopes produced by impinging a 1.4-GeV proton beam on a thick, high-temperature uranium carbide (UCx) target. Comparison with other experimental results, AME-03, AME-12 evaluations, and microscopic calculations assuming spherical shape of the ground states. Systematics of pairing gaps, S(2p), S(2n), and excitation energy of the (9/2-) isomers for N=96-124 Au and Tl nuclei. Analyzed gradual development of collectivity with proton removal in Z=82.

doi: 10.1103/PhysRevC.90.044307
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2014KR09      Phys.Rev. C 90, 024301 (2014)

S.Kreim, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, A.Gottberg, F.Herfurth, M.Kowalska, Yu.A.Litvinov, D.Lunney, V.Manea, T.M.Mendonca, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, Th.Stora, F.Wienholtz, R.N.Wolf, K.Zuber

Competition between pairing correlations and deformation from the odd-even mass staggering of francium and radium isotopes

ATOMIC MASSES 222,224,226,227,228,229,230,231,232,233Fr, 233,234Ra[isotopes from U(p, F), E=1.4 GeV]; measured TOF-ICR resonances, frequency ratios, mass excesses using ISOLTRAP Penning-trap at ISOLDE-CERN facility; deduced odd-even staggering in binding energies, S(2n), three-point pairing-gap estimator Δ3(N); calculated Nilsson single-particle level schemes for N=128-148 nuclei using HF and HFB approaches, and connections to the single-particle level density and nuclear quadrupole and octupole deformations. Comparison with mass measurements using ESR at GSI and AME-2003 evaluation.

RADIOACTIVITY 233Fr(β-)[from U(p, F), E=1.4 GeV]; measured (ion)β correlations, ground-state half-life.

doi: 10.1103/PhysRevC.90.024301
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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
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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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2013KR15      Nucl.Instrum.Methods Phys.Res. B317, 492 (2013)

S.Kreim, D.Atanasov, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, D.Fink, S.George, A.Herlert, A.Kellerbauer, U.Koster, M.Kowalska, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, T.Nicol, R.E.Rossel, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber

Recent exploits of the ISOLTRAP mass spectrometer

ATOMIC MASSES 191Au; measured time-of-flight ion-cyclotron resonance spectra; deduced mass excess. Comparison with available data.

doi: 10.1016/j.nimb.2013.07.072
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2013MA81      Phys.Rev. C 88, 054322 (2013)

V.Manea, D.Atanasov, D.Beck, K.Blaum, C.Borgmann, R.B.Cakirli, T.Eronen, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, D.Neidherr, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber

Collective degrees of freedom of neutron-rich A≈100 nuclei and the first mass measurement of the short-lived nuclide 100Rb

ATOMIC MASSES 98,99,100Rb; measured time-of-flight ion-cyclotron resonance, mass excesses using ISOLTRAP at ISOLDE-CERN facility. Comparison with AME-12 evaluation. No evidence found for isomer in 98Rb.

NUCLEAR STRUCTURE Z=36-44, N=48-65; calculated S(2n), mean-square charge radii, and energies of octupole correlations using HFB theory with SLy4 and Gogny-D1S potentials. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.054322
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2013ST25      Phys.Rev. C 88, 054304 (2013)

J.Stanja, Ch.Borgmann, J.Agramunt, A.Algora, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, T.E.Cocolios, L.M.Fraile, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, G.Simpson, F.Wienholtz, R.N.Wolf, K.Zuber

Mass spectrometry and decay spectroscopy of isomers across the Z=82 shell closure

ATOMIC MASSES 190mTl, 194Tl, 194mTl, 198At; measured time-of-flight ion cyclotron (TOF-ICR) resonances, mass excesses using RILIS and ISOLTRAP at ISOLDE-CERN facility; deduced level energies, J, π for ground states and isomers, Q values for decays. 190Tl, 194Bi, 194mBi, 198mAt, 202Fr, 202mFr, 206Ac, 206mAc; deduced mass excesses in α-decay chains using measured mass values for 7(+) state in 190mTl and (3+) in 198At. Comparison with AME-03 data. Discussed hyperfine structure for 198,198mAt and state assignments from another experiment at ISOLTRAP-ISOLDE-CERN facility.

RADIOACTIVITY 190,194Tl(β-); measured Eγ, βγ-coin correlated with implants, half-lives of parent states, Q values for decays. Systematics of levels, J, π, μ in isomeric states of 184,186,188,190,192,194,196,198,200,202,204Tl.

doi: 10.1103/PhysRevC.88.054304
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2013WI06      Nature(London) 498, 346 (2013), Erratum Nature(London) 498, 346 (2013)

F.Wienholtz, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, S.George, F.Herfurth, J.D.Holt, M.Kowalska, S.Kreim, D.Lunney, V.Manea, J.Menendez, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Schwenk, J.Simonis, J.Stanja, K.Zuber

Masses of exotic calcium isotopes pin down nuclear forces

ATOMIC MASSES 51,52,53,54Ca; measured TOF, ion cyclotron resonance frequency ratio; deduced masses. ISOLTRAP high-resolution Penning trap, shell-model calculations with KB3G and GXPF1A interactions.

doi: 10.1038/nature12226
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2013WO05      Int.J. Mass Spectrom. 349-350, 123 (2013)

R.N.Wolf, F.Wienholtz, D.Atanasov, D.Beck, K.Blaum, Ch.Borgmann, F.Herfurth, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, K.Zuber

ISOLTRAP's multi-reflection time-of-flight mass separator/spectrometer

ATOMIC MASSES 137Eu; measured time of flight of ions ejected from the precision Penning trap as a function of excitation frequency; deduced masses. Comparison with available data.

doi: 10.1016/j.ijms.2013.03.020
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2013WO06      Phys.Rev.Lett. 110, 041101 (2013)

R.N.Wolf, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, N.Chamel, S.Goriely, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, K.Zuber

Plumbing Neutron Stars to New Depths with the Binding Energy of the Exotic Nuclide 82Zn

ATOMIC MASSES 82Zn; measured time-of-flight resonance, mean frequency ratio; deduced mass. ISOLTRAP setup at the ISOLDE-CERN facility.

doi: 10.1103/PhysRevLett.110.041101
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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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2012FI01      Phys.Rev.Lett. 108, 062502 (2012)

D.Fink, J.Barea, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, F.Herfurth, A.Herlert, J.Kotila, M.Kowalska, S.Kreim, D.Lunney, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard, F.Simkovic, J.Stanja, K.Zuber

Q Value and Half-Lives for the Double-β-Decay Nuclide 110Pd

RADIOACTIVITY 110Pd(2β-); measured resonance frequencies;deduced precise Q-value. Comparison with AME2003 atomic mass evaluation, phase-space factor calculations.

doi: 10.1103/PhysRevLett.108.062502
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2012HE13      Eur.Phys.J. A 48, 97 (2012)

A.Herlert, S.Van Gorp, D.Beck, K.Blaum, M.Breitenfeldt, R.B.Cakirli, S.George, U.Hager, F.Herfurth, A.Kellerbauer, D.Lunney, R.Savreux, L.Schweikhard, C.Yazidjian

Recoil-ion trapping for precision mass measurements

ATOMIC MASSES 56,57,58,58m,59,60,60m,61,62,62m,63Mn; measured frequency ratio; deduced mass.

doi: 10.1140/epja/i2012-12097-2
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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
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2012NA15      Phys.Rev. C 86, 014325 (2012)

S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, D.Neidherr, M.Rosenbusch, L.Schweikhard, R.N.Wolf, K.Zuber

Surveying the N=40 island of inversion with new manganese masses

ATOMIC MASSES 48Ti, 55,57,58,58m,59,60,60m,61,62,62m,63,64,65,66Mn, 61,62,63Fe; measured frequency ratio using RILIS facility and ISOLTRAP mass spectrometer at CERN facility, with reference to frequencies for 39K, TiO, 55Mn and 85Rb; deduced and evaluated mass excesses and compared with AME-2003. Z=24-36, N=30-52; systematics of S(2n) values. Z=25-26, N=29-40; systematics of neutron pairing gaps. Z=25, N=28-41; systematics of S(n) values. Proposed collectivity around N=40, and island of inversion near 63Mn.

doi: 10.1103/PhysRevC.86.014325
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2012PR15      J.Phys.:Conf.Ser. 381, 012070 (2012)

T.J.Procter, H.Aghaei-Khozani, J.Billowes, M.L.Bissell, F.Le Blanc, B.Cheal, T.E.Cocolios, K.T.Flanagan, H.Hori, T.Kobayashi, D.Lunney, K.M.Lynch, B.A.Marsh, G.Neyens, J.Papuga, M.M.Rajabali, S.Rothe, G.Simpson, A.J.Smith, H.H.Stroke, W.Vanderheijden, K.Wendt

Development of the CRIS (Collinear Resonant Ionisation Spectroscopy) beam line

doi: 10.1088/1742-6596/381/1/012070
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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
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2011HE10      Eur.Phys.J. A 47, 75 (2011)

F.Herfurth, G.Audi, D.Beck, K.Blaum, G.Bollen, P.Delahaye, M.Dworschak, S.George, C.Guenaut, A.Kellerbauer, D.Lunney, M.Mukherjee, S.Rahaman, S.Schwarz, L.Schweikhard, C.Weber, C.Yazidjian

New mass data for the rp-process above Z = 32

ATOMIC MASSES 70,71,72,73,74Se, 72,73,74,75Br; measured mass excess from Zr(p, X), E=1.4 GeV using thick target with ISOLTRAP.

doi: 10.1140/epja/i2011-11075-6
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2010BL09      Eur.Phys.J. A 44, 363 (2010)

B.Blank, A.Bey, I.Matea, J.Souin, L.Audirac, M.J.G.Borge, G.Canchel, P.Delahaye, F.Delalee, C.-E.Demonchy, R.Dominguez-Reyes, L.M.Fraile, J.Giovinazzo, Tran Trong Hui, J.Huikari, D.Lunney, F.Munoz, J.-L.Pedroza, C.Plaisir, L.Serani, S.Sturm, O.Tengblad, F.Wenander

Precise half-life measurements for 38Ca and 39Ca

RADIOACTIVITY 38Ca(β+), 39Ca(β+)[from Ti(p, X), E=1.4 GeV]; measured CaF molecule ToF, Eβ, Iβ(t); deduced T1/2. Comparison with other results.

doi: 10.1140/epja/i2010-10958-2
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2010BR02      Phys.Rev. C 81, 034313 (2010)

M.Breitenfeldt, Ch.Borgmann, G.Audi, S.Baruah, D.Beck, K.Blaum, Ch.Bohm, R.B.Cakirli, R.F.Casten, P.Delahaye, M.Dworschak, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Approaching the N=82 shell closure with mass measurements of Ag and Cd isotopes

ATOMIC MASSES 112,114,115,116,117,118,119,120,121,122,123,124Ag, 114,120,122,123,124,126,128Cd; measured cyclotron frequencies relative to 133Cs, and mass excesses using ISOLTRAP Penning trap spectrometer; deduced excitation energies of the isomers; evaluated mass excesses; two-neutron separate energies, and proton-neutron interaction strength δVpn. Comparison with previous data and AME-2003.

doi: 10.1103/PhysRevC.81.034313
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2010EL11      Phys.Lett. B 693, 426 (2010)

S.Eliseev, Ch.Bohm, D.Beck, K.Blaum, M.Breitenfeldt, V.N.Fedosseev, S.George, F.Herfurth, A.Herlert, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, Yu.N.Novikov, M.Rosenbusch, L.Schweikhard, S.Schwarz, M.Seliverstov, K.Zuber

Direct mass measurements of 194Hg and 194Au: A new route to the neutrino mass determination?

ATOMIC MASSES 194Au, 194Hg; measured cyclotron frequency ratio; deduced mass excesses, Q-value of the orbital electron capture. Implications for β-decay anti-neutrino mass measurements.

doi: 10.1016/j.physletb.2010.08.071
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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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2010NA13      Phys.Rev.Lett. 105, 032502 (2010)

S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, D.Neidherr, M.Rosenbusch, S.Schwarz, L.Schweikhard, K.Zuber

Critical-Point Boundary for the Nuclear Quantum Phase Transition Near A=100 from Mass Measurements of 96, 97Kr

ATOMIC MASSES 80,86,87,94,96,97Kr; measured cyclotron frequencies and ratios; deduced mass excess, deformation. Penning-trap mass spectrometer at ISOLDE, CERN.

doi: 10.1103/PhysRevLett.105.032502
Citations: PlumX Metrics


2009BR09      Phys.Rev. C 80, 035805 (2009)

M.Breitenfeldt, G.Audi, D.Beck, K.Blaum, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, H.Schatz, S.Schwarz, L.Schweikhard

Penning trap mass measurements of 99-109Cd with the ISOLTRAP mass spectrometer, and implications for the rp process

ATOMIC MASSES 99,100,101,102,103,104,105,106,107,108,109Cd; measured and evaluated masses using ISOLTRAP penning-trap spectrometer. Comparisons with other measurements and AME-2003 evaluation.

doi: 10.1103/PhysRevC.80.035805
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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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2009GA24      Nucl.Phys. A826, 1 (2009)

C.Gaulard, C.Bachelet, G.Audi, C.Guenaut, D.Lunney, M.de Saint Simon, M.Sewtz, C.Thibault

Mass measurements of the exotic nuclides 11Li and 11, 12Be performed with the Mistral spectrometer

ATOMIC MASSES 11Li; measured mass and two-neutron separation energy. 11,12Be; measured mass. Mistral spectrometer at Isolde. Comparison with various models and other data.

doi: 10.1016/j.nuclphysa.2009.04.011
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2009KO35      Eur.Phys.J. A 42, 351 (2009)

M.Kowalska, S.Naimi, J.Agramunt, A.Algora, G.Audi, D.Beck, B.Blank, K.Blaum, Ch.Bohm, M.Breitenfeldt, E.Estevez, L.M.Fraile, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, D.Lunney, E.Minaya-Ramirez, D.Neidherr, B.Olaizola, K.Riisager, M.Rosenbusch, B.Rubio, S.Schwarz, L.Schweikhard, U.Warring

Preparing a journey to the east of 208Pb with ISOLTRAP: Isobaric purification at A = 209 and new masses for 211-213Fr and 211Ra

ATOMIC MASSES 211,212,213Fr, 211Ra; measured masses using Penning trap at ISOLDE.

doi: 10.1140/epja/i2009-10835-1
Citations: PlumX Metrics


2009LU10      Nucl.Instrum.Methods Phys.Res. A598, 379 (2009)

D.Lunney, C.Bachelet, C.Guenaut, S.Henry, M.Sewtz

COLETTE: A linear Paul-trap beam cooler for the on-line mass spectrometer mistral

doi: 10.1016/j.nima.2008.09.050
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2009LU20      Int.J.Mod.Phys. E18, 2077 (2009)

D.Lunney

Weighing halo nuclides

NUCLEAR STRUCTURE 11Li, 6,8He, 11Be, 17Ne; analyzed binding energies, two-neutron and two-proton separation energies; 26F, 15C deduced one-neutron halo; 27F deduced two-neutron halo; 17Ne, 23Al, 31Cl, 35K deduced one-proton halo; 9C, 13O, 20Mg, 23Ar deduced two-proton halo.

doi: 10.1142/S0218301309014329
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2009NE03      Phys.Rev.Lett. 102, 112501 (2009)

D.Neidherr, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.B.Cakirli, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, E.Noah, L.Penescu, M.Rosenbusch, S.Schwarz, L.Schweikhard, T.Stora

Discovery of 229Rn and the Structure of the Heaviest Rn and Ra Isotopes from Penning-Trap Mass Measurements

ATOMIC MASSES 220,223,224,225,226,227,228,229Rn; measured masses using ISOLTRAP mass spectrometer.

doi: 10.1103/PhysRevLett.102.112501
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2009NE11      Phys.Rev. C 80, 044323 (2009)

D.Neidherr, R.B.Cakirli, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard

High-precision Penning-trap mass measurements of heavy xenon isotopes for nuclear structure studies

ATOMIC MASSES 136,137,138,139,140,141,142,143,144,145,146Xe; measured masses using the ISOLTRAP double Penning-trap mass spectrometer at ISOLDE-CERN facility. Comparison with earlier measurements and AME-2003 evaluation. Z=50-78, N=78-112; systematics of S(2n) values. N=74-92, Z=52-58, even Z; N=119-141, odd N, Z=84-90, odd Z; Z=50-82, N=82-126; systematics of proton-neutron interaction strengths.

doi: 10.1103/PhysRevC.80.044323
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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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2008BA18      Phys.Rev.Lett. 100, 182501 (2008)

C.Bachelet, G.Audi, C.Gaulard, C.Guenaut, F.Herfurth, D.Lunney, M.de Saint Simon, C.Thibault

New Binding Energy for the Two-Neutron Halo of 11Li

ATOMIC MASSES 11Li; measured mass and two-neutron separation energy using the MISTRAL spectrometer at ISOLDE.

doi: 10.1103/PhysRevLett.100.182501
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2008BA54      Phys.Rev.Lett. 101, 262501 (2008)

S.Baruah, G.Audi, K.Blaum, M.Dworschak, S.George, C.Guenaut, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, H.Schatz, L.Schweikhard, C.Yazidjian

Mass Measurements beyond the Major r-Process Waiting Point 80Zn

ATOMIC MASSES 71,72,73,74,75,76,77,78,79,80,81Zn; measured masses using the ISOLTRAP mass spectrometer.

doi: 10.1103/PhysRevLett.101.262501
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2008DW01      Phys.Rev.Lett. 100, 072501 (2008)

M.Dworschak, G.Audi, K.Blaum, P.Delahaye, S.George, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, L.Schweikhard, C.Yazidjian

Restoration of the N = 82 Shell Gap from Direct Mass Measurements of 132, 134Sn

ATOMIC MASSES 127,131,132,133,134Sn; measured masses using the ISOLTRAP mass spectrometer. Discussed implications on the N=82 neutron-shell gap.

doi: 10.1103/PhysRevLett.100.072501
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2008GE07      Phys.Rev.Lett. 101, 252502 (2008)

W.Geithner, T.Neff, G.Audi, K.Blaum, P.Delahaye, H.Feldmeier, S.George, C.Guenaut, F.Herfurth, A.Herlert, S.Kappertz, M.Keim, A.Kellerbauer, H.-J.Kluge, M.Kowalska, P.Lievens, D.Lunney, K.Marinova, R.Neugart, L.Schweikhard, S.Wilbert, C.Yazidjian

Masses and Charge Radii of 17-22Ne and the Two-Proton-Halo Candidate 17Ne

ATOMIC MASSES 17,18,19,20,21,22Ne; measured masses and charge radii using penning trap mass spectrometry.

doi: 10.1103/PhysRevLett.101.252502
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2008GE08      Europhys.Lett. 82, 50005 (2008)

S.George, G.Audi, B.Blank, K.Blaum, M.Breitenfeldt, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, M.Kretzschmar, D.Lunney, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Time-separated oscillatory fields for high-precision mass measurements on short-lived Al and Ca nuclides

ATOMIC MASSES 26,27Al, 38,39Ca; measured cyclotron frequency ratios and their average values; deduced mass excesses and their uncertainties. Comparison with AME 2003 evaluation, available data.

doi: 10.1209/0295-5075/82/50005
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2008MU05      Eur.Phys.J. A 35, 31 (2008)

M.Mukherjee, D.Beck, K.Blaum, G.Bollen, P.Delahaye, J.Dilling, S.George, C.Guenaut, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, U.Koster, D.Lunney, S.Schwarz, L.Schweikhard, C.Yazidjian

Mass measurements and evaluation around A = 22

ATOMIC MASSES 21,22,23Na, 22,24Mg, 37,39K; measured and evaluated masses using the ISOLTRAP Penning trap mass spectrometer.

doi: 10.1140/epja/i2007-10523-2
Citations: PlumX Metrics


2008RY03      Phys.Rev.Lett. 101, 012501 (2008)

V.L.Ryjkov, M.Brodeur, T.Brunner, M.Smith, R.Ringle, A.Lapierre, F.Ames, P.Bricault, M.Dombsky, P.Delheij, D.Lunney, M.R.Pearson, J.Dilling

Direct Mass Measurement of the Four-Neutron Halo Nuclide 8He

ATOMIC MASSES 8He; measured mass using a penning trap.

doi: 10.1103/PhysRevLett.101.012501
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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
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2008WE02      Nucl.Phys. A803, 1 (2008)

C.Weber, G.Audi, D.Beck, K.Blaum, G.Bollen, F.Herfurth, A.Kellerbauer, H.-J.Kluge, D.Lunney, S.Schwarz

Atomic mass measurements of short-lived nuclides around the doubly-magic 208Pb

ATOMIC MASSES 145,147Cs, 181,183,186,187,196,205Tl, 197,208Pb, 190,191,192,193,194,195,196,197,209,215,216Bi, 203,205,229Fr, 214,229,230Ra; measured masses using the ISOLTRAP Penning trap mass spectrometer.

doi: 10.1016/j.nuclphysa.2007.12.014
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2007GE07      Phys.Rev.Lett. 98, 162501 (2007)

S.George, S.Baruah, B.Blank, K.Blaum, M.Breitenfeldt, U.Hager, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, M.Kretzschmar, D.Lunney, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Ramsey Method of Separated Oscillatory Fields for High-Precision Penning Trap Mass Spectrometry

ATOMIC MASSES 38Ca; measured mass. Penning trap, Ramsey method.

doi: 10.1103/PhysRevLett.98.162501
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2007GU09      Phys.Rev. C 75, 044303 (2007)

C.Guenaut, G.Audi, D.Beck, K.Blaum, G.Bollen, P.Delahaye, F.Herfurth, A.Kellerbauer, H.-J.Kluge, J.Libert, D.Lunney, S.Schwarz, L.Schweikhard, C.Yazidjian

High-precision mass measurements of nickel, copper, and gallium isotopes and the purported shell closure at N = 40

ATOMIC MASSES 57,60,64,65,66,67,68,69Ni, 65,66,67,68,69,70,71,72,73,74,76Cu, 63,64,65,68,69,70,71,72,73,74,75,76,77,78Ga; measured masses; analyzed the resulting mass surface for signs of magicity, compared the behavior of N=40 with that of the known magic numbers and with midshell behavior.

NUCLEAR STRUCTURE Z=28, 29, 31; analyzed two-neutron separation energies, pairing energies, masses, compared with mass models, found no evidence for shell closure at N=40.

doi: 10.1103/PhysRevC.75.044303
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2007KE09      Phys.Rev. C 76, 045504 (2007)

A.Kellerbauer, G.Audi, D.Beck, K.Blaum, G.Bollen, C.Guenaut, F.Herfurth, A.Herlert, H.-J.Kluge, D.Lunney, S.Schwarz, L.Schweikhard, C.Weber, C.Yazidjian

High-precision masses of neutron-deficient rubidium isotopes using a Penning trap mass spectrometer

ATOMIC MASSES 74,75,76,77,79,80,83,87Rb; 64Zn;71,74Ga;84,88Sr;133Cs; measured atomic masses. ISOLTRAP Penning Trap.

doi: 10.1103/PhysRevC.76.045504
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2007RA10      Nucl.Instrum.Methods Phys.Res. B259, 673 (2007)

G.Raisbeck, T.Tran, D.Lunney, C.Gaillard, S.Goriely, C.Waelbroeck, F.Yiou

A search for supernova produced 244Pu in a marine sediment

doi: 10.1016/j.nimb.2007.01.205
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2007YA08      Phys.Rev. C 76, 024308 (2007)

C.Yazidjian, G.Audi, D.Beck, K.Blaum, S.George, C.Guenaut, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, L.Schweikhard

Evidence for a breakdown of the isobaric multiplet mass equation: A study of the A = 35, T = 3/2 isospin quartet

ATOMIC MASSES 35,36,37,38,43,44,45,46K; measured masses using ISOLTRAP. Discussed implications on IMME.

doi: 10.1103/PhysRevC.76.024308
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2006BL17      Hyperfine Interactions 171, 83 (2006)

K.Blaum, D.Beck, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian

Penning trap mass spectrometry for nuclear structure studies

doi: 10.1007/s10751-006-9501-4
Citations: PlumX Metrics


2006DE36      Phys.Rev. C 74, 034331 (2006)

P.Delahaye, G.Audi, K.Blaum, F.Carrel, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, L.Schweikhard, C.Yazidjian

High-accuracy mass measurements of neutron-rich Kr isotopes

ATOMIC MASSES 84,86,87,88,89,90,91,92,93,94,95Kr; measured masses. Penning trap mass spectrometer.

doi: 10.1103/PhysRevC.74.034331
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2006GA04      Nucl.Phys. A766, 52 (2006)

C.Gaulard, G.Audi, C.Bachelet, D.Lunney, M.de Saint Simon, C.Thibault, N.Vieira

Accurate mass measurements of 26Ne, 26-30Na, 29-33Mg performed with the MISTRAL spectrometer

ATOMIC MASSES 26Na, 29,30,31,32,33Mg; measured mass. 26Ne, 26,27,28,29,30Na, 29,32Mg; analyzed mass from previous measurements. Transmission mass spectrometer.

doi: 10.1016/j.nuclphysa.2005.12.007
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2006LU09      Eur.Phys.J. A 28, 129 (2006)

D.Lunney, G.Audi, C.Gaulard, M.de Saint Simon, C.Thibault, N.Vieira

High-precision masses of 29-33Mg and the N = 20 shell "closure"

ATOMIC MASSES 29,30,31,32,33Mg; measured mass. Comparison with other measurements and theory. Transmission mass spectrometer.

doi: 10.1140/epja/i2005-10281-1
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2006LU19      Int.J. Mass Spectrom. 251, 286 (2006)

D.Lunney, N.Vieira, G.Audi, C.Gaulard, M.de Saint Simon, C.Thibault

Mass measurements of the shortest-lived nuclides a la MISTRAL

ATOMIC MASSES 74Rb; measured mass with the MISTRAL radiofrequency transmission spectrometer. Wigner energy of N=Z nuclei. Comparisons with experimental data. A=10-100; systematics of n-p interactions.

doi: 10.1016/j.ijms.2006.02.007
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2006VE10      Eur.Phys.J. A 30, 489 (2006)

D.Verney, L.Cabaret, J.E.Crawford, H.T.Duong, B.Fricke, J.Genevey, G.Huber, F.Ibrahim, M.Krieg, F.Le Blanc, J.K.P.Lee, G.Le Scornet, D.Lunney, J.Obert, J.Oms, J.Pinard, J.C.Putaux, K.Rashid, B.Roussiere, J.Sauvage, V.Sebastian, and the ISOLDE Collaboration

Deformation change in light iridium nuclei from laser spectroscopy

NUCLEAR MOMENTS 182,183,184,185,186,186m,187,188,189,191,193Ir; measured hfs, isotope shift; deduced μ, quadrupole moments, radii, β2. Laser spectroscopy.

NUCLEAR STRUCTURE 180,184,186,192Os; calculated potential energy surfaces. 183,185,187,189,191,193Ir; calculated β2, μ, quadrupole moments. 182,184,186Ir; calculated single-particle level energies. 183,185,186Ir; calculated rotational band level energies, configurations. Axial rotor plus one or two quasiparticles.

doi: 10.1140/epja/i2006-10140-7
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2005BB01      Eur.Phys.J. A 25, Supplement 1, 31 (2005)

C.Bachelet, G.Audi, C.Gaulard, C.Guenaut, F.Herfurth, D.Lunney, M.De Saint Simon, C.Thibault

Mass measurement of short-lived halo nuclides

ATOMIC MASSES 11Li; measured mass; deduced two-neutron separation energy. 11Be; measured mass. Transmission mass spectrometer.

NUCLEAR STRUCTURE 11Li; analyzed two-neutron separation energy and radius.

doi: 10.1140/epjad/i2005-06-005-5
Citations: PlumX Metrics


2005BL10      Nucl.Phys. A752, 317c (2005)

K.Blaum, G.Audi, D.Beck, G.Bollen, P.Delahaye, S.George, C.Guenaut, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, M.Mukherjee, S.Schwarz, L.Schweikhard, C.Yazidjian

ISOLTRAP mass measurements of exotic nuclides at δm/m=10-8

doi: 10.1016/j.nuclphysa.2005.02.124
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2005BL27      J.Phys.(London) G31, S1775 (2005)

K.Blaum, G.Audi, D.Beck, G.Bollen, M.Brodeur, P.Delahaye, S.George, C.Guenaut, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, D.Lunney, M.Mukherjee, D.Rodriguez, S.Schwarz, L.Schweikhard, C.Yazidjian

ISOLTRAP pins down masses of exotic nuclides

doi: 10.1088/0954-3899/31/10/071
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2005BL34      Hyperfine Interactions 162, 173 (2005)

K.Blaum, D.Beck, G.Bollen, P.Delahaye, C.Guenaut, F.Herfurth, A.Kellerbauer, H.-J.Kluge, U.Koster, D.Lunney, S.Schwarz, L.Schweikhard, C.Yazidjian

Laser Ionization and Penning Trap Mass Spectrometry - A Fruitful Combination for Isomer Separation and High-precision Mass Measurements

RADIOACTIVITY 70,70mCu(β-) [from U(p, X)]; measured Eγ, βγ-coin. Isomer separation using selective resonant ionization.

doi: 10.1007/s10751-005-9223-z
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