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NSR database version of April 11, 2024.

Search: Author = G.Bollen

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2024BH03      Phys.Rev. C 109, L022501 (2024)

R.Bhandari, G.Bollen, T.Brunner, N.D.Gamage, A.Hamaker, Z.Hockenbery, M.Horana Gamage, D.K.Keblbeck, K.G.Leach, D.Puentes, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, I.Yandow

First direct 7Be electron-capture Q-value measurement toward high-precision searches for neutrino physics beyond the Standard Model

doi: 10.1103/PhysRevC.109.L022501
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2023DO07      Appl.Radiat.Isot. 200, 110958 (2023)

K.A.Domnanich, S.Satija, V.S.Bodnar, G.Bollen, C.R.Kleinfeldt, Y.Liu, S.Rogers, S.Schwarz, G.W.Severin, C.Sumithrarachchi, A.C.C.Villari

Preparation of stable and long-lived source samples for the stand-alone beam program at the Facility for Rare Isotope Beams

doi: 10.1016/j.apradiso.2023.110958
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2023QU02      Phys.Rev. C 107, 024313 (2023)

F.G.A.Quarati, G.Bollen, P.Dorenbos, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, D.K.Keblbeck, X.Mougeot, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, J.Surbrook, I.Yandow

Measurements and computational analysis of the natural decay of 176Lu

RADIOACTIVITY 176Lu(β-), (EC); measured Eγ, Iγ, X-rays, self-scintillation spectra of Lu-containing crystal, Eβ, Iβ, βγ-coin; shape of the β-spectrum Eβ, experimental shape factor, 176Lu β endpoint energy, branching ratios for the β-decay to 6+ and 8+ of 176Hf, Q-values, upper limit for the EC-decay branch. 176Lu(β-); calculated σpectrum Eβ, logft values. 176Yb(2β-); deduced Q-values. Q-values area based on the measured cyclotron frequencies published in this paper. Spectra measurements performed with lutetium-containing scintillator crystals (LuAG:Pr and LSO:Ce) surrounded by NaI(Tl) and CeBr3 spectrometers.

ATOMIC MASSES 176Lu, 176Hf, 176Yb; measured cyclotron frequencies ratios for combinations of 176Lu, 176Hf and 176Yb ions among themselves; deduced mass excess for 176Lu and 176Hf based on the known values for 176Yb and measured ratios. Comparison to AME2020 and other experimental data. Penning trap mass spectrometry (PTMS) at Low Energy Beam and Ion Trap (LEBIT) facility at the National Superconducting Cyclotron Laboratory (NSCL).

doi: 10.1103/PhysRevC.107.024313
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2023YA31      Phys.Rev. C 108, 065802 (2023)

I.T.Yandow, A.Abdullah-Smoot, G.Bollen, A.Hamaker, C.R.Nicoloff, D.Puentes, M.Redshaw, K.Gulyuz, Z.Meisel, W.-J.Ong, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde

Mass measurement of 27P to constrain type-I x-ray burst models and validate the isobaric multiplet mass equation for the A=27, T=3/2 isospin quartet

doi: 10.1103/PhysRevC.108.065802
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2022GA36      Phys.Rev. C 106, 065503 (2022)

M.H.Gamage, R.Bhandari, G.Bollen, N.D.Gamage, A.Hamaker, D.Puentes, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, I.Yandow

Identification of a potential ultralow-Q-value electron-capture decay branch in 75Se via a precise Penning trap measurement of the mass of 75As

ATOMIC MASSES 75As; measured cyclotron frequency; deduced mass excess. Ramsey TOF-ICR technique. Comparison to AME2020 and previous experimental values. Penning trap at LEBIT facility (FRIB).

RADIOACTIVITY 75Se(EC), 75Ge(β-); deduced Q-values using new mass value of 75As. Comparison to other experimental data.

doi: 10.1103/PhysRevC.106.065503
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2022ME04      Phys.Rev. C 105, 025804 (2022)

Z.Meisel, A.Hamaker, G.Bollen, B.A.Brown, M.Eibach, K.Gulyuz, C.Izzo, C.Langer, F.Montes, W.-J.Ong, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, I.T.Yandow

Improved nuclear physics near A=61 refines urca neutrino luminosities in accreted neutron star crusts

ATOMIC MASSES 61Zn; measured time of flight, cyclotron frequency; deduced mass excess. Compared with AME2020 results. Low Energy Beam and Ion Trap (LEBIT) facility at the NSCL.

NUCLEAR REACTIONS 61Zn, 60Cu(p, γ), T=0.10-10 GK; deduced Q from obtained new value for 61Zn atomic mass, astrophysical reaction rates. Computed neutrino luminosity from the mass number A = 61 urca cooling source in accreted neutron-star crusts. Comparison to NON-SMOKER, TALYS codes results.

doi: 10.1103/PhysRevC.105.025804
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2022PO06      Phys.Rev. C 106, 024312 (2022)

W.S.Porter, E.Dunling, E.Leistenschneider, J.Bergmann, G.Bollen, T.Dickel, K.A.Dietrich, A.Hamaker, Z.Hockenbery, C.Izzo, A.Jacobs, A.Javaji, B.Kootte, Y.Lan, I.Miskun, I.Mukul, T.Murbock, S.F.Paul, W.R.Plass, D.Puentes, M.Redshaw, M.P.Reiter, R.Ringle, J.Ringuette, R.Sandler, C.Scheidenberger, R.Silwal, R.Simpson, C.S.Sumithrarachchi, A.Teigelhofer, A.A.Valverde, R.Weil, I.T.Yandow, J.Dilling, A.A.Kwiatkowski

Investigating nuclear structure near N=32 and N=34: Precision mass measurements of neutron-rich Ca, Ti, and V isotopes

ATOMIC MASSES 54Ca, 52,54,55,56Ti, 54,55,56,57,58V; measured time-of-flight ion-cyclotron-resonances (ToF-ICR) using TRIUMF-TITAN multiple-reflection time-of-flight mass spectrometer (MR-ToF-MS) and the NSCL(MSU)-LEBIT Penning trap mass spectrometer; deduced mass excesses. Comparison with evaluated data in AME2020, and with valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(2n) values in 46,47,48,49,50,51K, 47,48,49,50,51,52,53,54Ca, 48,49,50,51,52,53,54,55,56,57Sc, 49,50,51,52,53,54,55,56,57Sc, 49,50,51,52,53,54,55,56Ti, 50,51,52,53,54,55,56,57,58,59V, 51,52,53,54,55,56,57,58,59,60Cr.

doi: 10.1103/PhysRevC.106.024312
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2022PU01      Phys.Rev. C 106, L012801 (2022)

D.Puentes, Z.Meisel, G.Bollen, A.Hamaker, C.Langer, E.Leistenschneider, C.Nicoloff, W.-J.Ong, M.Redshaw, R.Ringle, C.S.Sumithrarachchi, J.Surbrook, A.A.Valverde, I.T.Yandow

High-precision mass measurement of 24Si and a refined determination of the rp process at the A=22 waiting point

ATOMIC MASSES 24Si; measured time-of-flight ion Ramsey cyclotron resonance using Low Energy Beam and Ion Trap (LEBIT) facility at NSCL-MSU; deduced precise mass excess of 24Si using and compared with evaluated data in AME2020, effect on the determination of the rp process at 22Mg waiting point. 24Si produced in 9Be(28Si, X), E=160 MeV/nucleon, followed by separation of fragments using A1900 separator, and magnetic dipole mass separator.

NUCLEAR REACTIONS 23Al(p, γ)24Si, T=0.1-1.1 GK; deduced astrophysical reaction rates using resonance levels in 24Si, spectroscopic factors, Γγ and Γp from experimental data and NUSHELLX shell-model calculations. Comparison with literature results for 23Al(p, γ)24Si, 22Mg(p, γ)23Al and 22Mg(α, p)25Al reactions. 22Mg(α, p), T=0.6-1.9 GK; deduced (α, p) flow as function of temperature, onset temperature of the (α, p) process at the 22Mg waiting point to a precision of 9%. Relevance to rp process.

doi: 10.1103/PhysRevC.106.L012801
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2021HA47      Nat.Phys. 17, 1408 (2021)

A.Hamaker, E.Leistenschneider, R.Jain, G.Bollen, S.A.Giuliani, K.Lund, W.Nazarewicz, L.Neufcourt, C.R.Nicoloff, D.Puentes, R.Ringle, C.S.Sumithrarachchi, I.T.Yandow

Precision mass measurement of lightweight self-conjugate nucleus 80Zr

ATOMIC MASSES 80,81,82,83Zr; measured time of flight, frequencies; deduced mass excesses, weighted average frequency ratio. Comparison with AME20. Low Energy Beam and Ion Trap (LEBIT) facility.

doi: 10.1038/s41567-021-01395-w
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2021LE02      Phys.Rev.Lett. 126, 042501 (2021)

E.Leistenschneider, E.Dunling, G.Bollen, B.A.Brown, J.Dilling, A.Hamaker, J.D.Holt, A.Jacobs, A.A.Kwiatkowski, T.Miyagi, W.S.Porter, D.Puentes, M.Redshaw, M.P.Reiter, R.Ringle, R.Sandler, C.S.Sumithrarachchi, A.A.Valverde, I.T.Yandow, TITAN Collaboration

Precision Mass Measurements of Neutron-Rich Scandium Isotopes Refine the Evolution of N = 32 and N = 34 Shell Closures

ATOMIC MASSES 50,51,52,53,54,55Sc; measured frequencies of cyclotron motion; deduced TOF-ICR spectrum, mass excess, mass ratios. Comparison with the AME2016 atomic mass evaluation data, predictions from both ab initio and phenomenological nuclear theories.

doi: 10.1103/PhysRevLett.126.042501
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2021SU04      Phys.Rev. C 103, 014323 (2021)

J.Surbrook, G.Bollen, M.Brodeur, A.Hamaker, D.Perez-Loureiro, D.Puentes, C.Nicoloff, M.Redshaw, R.Ringle, S.Schwarz, C.S.Sumithrarachchi, L.J.Sun, A.A.Valverde, A.C.C.Villari, C.Wrede, I.T.Yandow

First Penning trap mass measurement of 36Ca

ATOMIC MASSES 36Ca; measured masses of 36Ca+ and 36Ca2+ by the time-of-flight ion cyclotron resonance method using the LEBIT 9.4 T Penning-trap facility at NSCL-MSU; deduced mass excess and compared with AME2016 evaluation; interpreted result in the context of the isobaric multiplet mass equation (IMME) and a new ab initio derived calculation that extends the IMME with excellent agreement in the A=36, T=2 isobaric multiplet with the quadratic IMME, and only qualitative agreement with the generalized IMME (GIMME) predictions. Radioactive beam of 36Ca produced in 9Be(40Ca, X), E=140 MeV/nucleon at the Coupled Cyclotron Facility, followed by selection and purification by A1900 fragment separator.

doi: 10.1103/PhysRevC.103.014323
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2020PU02      Phys.Rev. C 101, 064309 (2020)

D.Puentes, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, M.MacCormick, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.A.Smirnova, J.Surbrook, A.A.Valverde, A.C.C.Villari, I.T.Yandow

High-precision mass measurements of the isomeric and ground states of 44V: Improving constraints on the isobaric multiplet mass equation parameters of the A=44, 0+ quintet

ATOMIC MASSES 44,44mV; measured cyclotron frequencies, mass excesses of ground and isomeric state using the time-of-flight ion cyclotron resonance method with the Penning trap mass spectrometer LEBIT of NSCL-MSU. 44V beam was produced in 9Be(58Ni, X), E=160 MeV/nucleon reaction and purified in the A1900 Fragment Separator. 44V; deduced levels, J, π, energy of the isomeric state, S(p). 44Cr; discussed β+ and proton decay of 44Cr and constraint on its mass. 44V, 44Sc, 44Ti; analyzed coefficients of quadratic isobaric multiplet mass equation (IMME) coefficients, mirror and triplet energy differences of T=1 triplet as a function of spin. A=42-58; analyzed experimental and theoretical coefficients of the lowest triplets in the pf shell for even-A nuclei. Comparison with previous experimental values, and with theoretical predictions.

doi: 10.1103/PhysRevC.101.064309
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2019AB12      J.Phys.(London) G46, 100501 (2019)

E.P.Abel, M.Avilov, V.Ayres, E.Birnbaum, G.Bollen, G.Bonito, T.Bredeweg, H.Clause, A.Couture, J.DeVore, M.Dietrich, P.Ellison, J.Engle, R.Ferrieri, J.Fitzsimmons, M.Friedman, D.Georgobiani, S.Graves, J.Greene, S.Lapi, C.S.Loveless, T.Mastren, C.Martinez-Gomez, S.McGuinness, W.Mittig, D.Morrissey, G.Peaslee, F.Pellemoine, J.D.Robertson, N.Scielzo, M.Scott, G.Severin, D.Shaughnessy, J.Shusterman, J.Singh, M.Stoyer, L.Sutherlin, A.Visser, J.Wilkinson

Isotope harvesting at FRIB: additional opportunities for scientific discovery

doi: 10.1088/1361-6471/ab26cc
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2019SA36      Phys.Rev. C 100, 014308 (2019)

R.Sandler, G.Bollen, J.Dissanayake, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, X.Mougeot, D.Puentes, F.G.A.Quarati, M.Redshaw, R.Ringle, I.Yandow

Direct determination of the 138La β-decay Q value using Penning trap mass spectrometry

ATOMIC MASSES 138La, 138Ce, 138Ba, 136Xe; measured cyclotron frequency ratios, time-of-flight ion cyclotron resonance for 138La using Penning trap mass spectrometry at LEBIT-NSCL-MSU facility; deduced atomic mass excesses. Comparison with AME-2016 evaluation.

RADIOACTIVITY 138La(β-), (EC); 138Ce(2EC); deduced Q values; calculated 138La β-decay curve, experimental shape factor, 138La ϵ decay probability ratios for K, L, and M shells. Comparison with previous measurements.

doi: 10.1103/PhysRevC.100.014308
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2019SA39      Phys.Rev. C 100, 024309 (2019)

R.Sandler, G.Bollen, N.D.Gamage, A.Hamaker, C.Izzo, D.Puentes, M.Redshaw, R.Ringle, I.Yandow

Investigation of the potential ultralow Q-value β-decay candidates 89Sr and 139Ba using Penning trap mass spectrometry

ATOMIC MASSES 89Y, 139La; measured cyclotron frequency ratios, and mass excesses using LEBIT facility at NSCL-MSU, with 85,87Rb as references for 89Y and 136Xe for 139La; deduced Q(β-) values for 89Sr to 89Y and 139Ba to 139La decays. Comparison with AME-2016 values. Discussed potential ultra-low Q values for decay to excited states in 89Y and 139La.

doi: 10.1103/PhysRevC.100.024309
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2019SC11      Nucl.Phys. A989, 201 (2019)

S.Schwarz, B.R.Barquest, G.Bollen, R.Ferrer, A.A.Kwiatkowski, D.L.Lincoln, D.J.Morrissey, R.Ringle, J.Savory

High-precision mass measurements of Ge and As isotopes near N = Z

NUCLEAR REACTIONS 9Be(78Kr, x), E=150 MeV/nucleon[producing desired nuclei (64,65Ge, 66,67As) of E about 90 MeV/nucleon]; measured reaction products using upgraded Low Energy Beam Ion Trap (LEBIT) facility at NSCL coupled to high-pressure gas cell; deduced β-decay activity vs mass; resonances in TOF vs frequency using one-RF-pulse and two-pulse-Ramney excitation scheme, mass-dependent frequency shift, frequency ratios for 67Ar/67ArO; deduced mass excess; compared with AME, AME2016 and other published values (to be used also for CVC tests).

doi: 10.1016/j.nuclphysa.2019.06.007
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2019SU25      Hyperfine Interactions 240, 65 (2019)

J.Surbrook, M.MacCormick, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, S.M.Lenzi, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, P.Schury, N.Smirnova, C.Sumithrarachchi, A.A.Valverde, A.C.C.Villari, I.T.Yandow

Precision mass measurements of 44V and 44mV for nucleon-nucleon interaction studies

ATOMIC MASSES 44V, 44mV; measured frequencies, TOF; deduced masses. Penning trap mass spectrometry in the LEBIT 9.4 T Penning trap at the National Superconducting Cyclotron Laboratory at Michigan State University.

doi: 10.1007/s10751-019-1602-y
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2018IZ01      Phys.Rev. C 97, 014309 (2018)

C.Izzo, G.Bollen, M.Brodeur, M.Eibach, K.Gulyuz, J.D.Holt, J.M.Kelly, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, S.R.Stroberg, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

Precision mass measurements of neutron-rich Co isotopes beyond N=40

ATOMIC MASSES 68,69Co; measured time-of-flight ion cyclotron resonances (TOF-ICR), mass excesses using LEBIT Penning trap system at NSCL-MSU facility. Comparison with AME-2016 values. Systematics of S(2n) values in N=36-44 Fe, Co, Ni and Cu nuclides. Discussed low- and high-spin isomers in 68Co and 69Co, and concluded the main contribution from the high-spin activities.

RADIOACTIVITY 68,69Co(β-)[from 9Be(76Ge, X), E=130 MeV/nucleon followed by fragment selection using A1900 fragment separator]; measured Eγ, Iγ from the decay of 68Co. 68,69Co; calculated levels, J, π by ab initio approach using the valence-space in-medium similarity renormalization group (VS-IMSRG) framework based on two-nucleon (NN) and three-nucleon (3N) forces from chiral effective field theory; discussed energy ordering of the ground state and isomer.

doi: 10.1103/PhysRevC.97.014309
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2018ON01      Phys.Rev. C 98, 065803 (2018)

W.-J.Ong, A.A.Valverde, M.Brodeur, G.Bollen, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, J.Surbrook, A.C.C.Villari, I.T.Yandow

Mass measurement of 51Fe for the determination of the 51Fe(p, γ)52Co reaction rate

ATOMIC MASSES 51Fe; measured time of flight, cyclotron frequency ratios, and mass excess using the Penning trap of LEBIT-NSCL. 52Co; deduced S(p). Comparison with data in AME-2016 evaluation.

NUCLEAR REACTIONS 51Fe(p, γ), T9=0.1-10; calculated astrophysical reaction rates; deduced REACLIB fits at 0.1-10 GK.

NUCLEAR STRUCTURE 52Co; calculated levels in the unbound region from 1560 to 3989 keV, proton resonances, J, π, Γp, Γγ, spectroscopic factors, using shell model with the GXPF1A interaction.

doi: 10.1103/PhysRevC.98.065803
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2018VA01      Phys.Rev.Lett. 120, 032701 (2018)

A.A.Valverde, M.Brodeur, G.Bollen, M.Eibach, K.Gulyuz, A.Hamaker, C.Izzo, W.-J.Ong, D.Puentes, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, J.Surbrook, A.C.C.Villari, I.T.Yandow

High-Precision Mass Measurement of 56Cu and the Redirection of the rp-Process Flow

ATOMIC MASSES 56Cu; measured time-of-flight ion cyclotron resonance; deduced cyclotron frequency ratios, mass excess. Comparison with AME2016 and available data.

doi: 10.1103/PhysRevLett.120.032701
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2017KA53      Phys.Rev. C 96, 044321 (2017)

R.M.E.B.Kandegedara, G.Bollen, M.Eibach, N.D.Gamage, K.Gulyuz, C.Izzo, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

β-decay Q values among the A = 50 Ti-V-Cr isobaric triplet and atomic masses of 46, 47, 49, 50Ti, 50, 51V, and 50, 52-54Cr

ATOMIC MASSES 46,47,49,50Ti, 50,51V, 50,52,53,54Cr; measured cyclotron frequency ratios with respect to 48Ti using Low Energy Beam and Ion Trap (LEBIT) facility at NSCL-MSU; deduced mass excesses and compared with AME-2016 values. 48,49,50Ti; deduced S(n) and compared with experimental values from (n, γ).

RADIOACTIVITY 50V(EC), (β-); 50Cr(2EC); deduced Q values from mass excesses and compared with AME-2016 values.

doi: 10.1103/PhysRevC.96.044321
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2016EI01      Phys.Rev. C 94, 015502 (2016)

M.Eibach, G.Bollen, K.Gulyuz, C.Izzo, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

Double resonant enhancement in the neutrinoless double-electron capture of 190Pt

ATOMIC MASSES 190,194Pt, 186,190Os; measured ratio of the cyclotron frequencies using LEBIT Penning trap mass spectrometer at NSCL-MSU; deduced precise Q value for ϵϵ decay of 190Pt. Comparison with AME-2012 evaluation.

RADIOACTIVITY 190Pt(2EC); measured precise Q value from mass measurements of 190Pt and 190Os; deduced parameters of the resonantly enhanced 0νϵϵ decays to excited states in 190Os. Comparison of Q value with AME-2012 evaluation.

doi: 10.1103/PhysRevC.94.015502
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2016GA33      Phys.Rev. C 94, 025505 (2016)

N.D.Gamage, G.Bollen, M.Eibach, K.Gulyuz, C.Izzo, R.M.E.B.Kandegedara, M.Redshaw, R.Ringle, R.Sandler, A.A.Valverde

Precise determination of the 113Cd fourth-forbidden non-unique β-decay Q value

ATOMIC MASSES 113Cd, 113,115In, 112Cd; measured cyclotron frequency ratios of 113In/115In, 113In/112Cd, 113Cd/115In, and 113Cd/112Cd by time-of-flight ion-cyclotron-resonance (TOF-ICR) technique using LEBIT Penning trap of NSCL-MSU facility. 113Cd, 113In, 112Cd; deduced mass excesses, precise Q value for the fourth-forbidden β- transition from the decay of 113Cd g.s. Comparison with previous experimental results and AME-12 evaluated data. Relevance to ββ decay searches in cadmium and other isotopes.

doi: 10.1103/PhysRevC.94.025505
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2016GU02      Phys.Rev.Lett. 116, 012501 (2016)

K.Gulyuz, G.Bollen, M.Brodeur, R.A.Bryce, K.Cooper, M.Eibach, C.Izzo, E.Kwan, K.Manukyan, D.J.Morrissey, O.Naviliat-Cuncic, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

High Precision Determination of the β Decay QEC Value of 11C and Implications on the Tests of the Standard Model

ATOMIC MASSES 11C, 10,11B; measured TOF ion cyclotron resonance spectra; deduced mass excess values. Comparison with AME2012 evaluation.

doi: 10.1103/PhysRevLett.116.012501
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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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2015EI01      Phys.Rev. C 92, 045502 (2015)

M.Eibach, G.Bollen, M.Brodeur, K.Cooper, K.Gulyuz, C.Izzo, D.J.Morrissey, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.A.Valverde, A.C.C.Villari

Determination of the QEC values of the T=1/2 mirror nuclei 21Na and 29P at LEBIT

ATOMIC MASSES 21Na, 29P; measured cyclotron frequency ratios of 21Ne, 21Na and 29P, 12C with TOF-ICR technique using LEBIT Penning trap mass spectrometer at NSCL-MSU; deduced Q(EC) values, Ft and Vud for 21Na and 29P decays. Comparison with previous experimental values and AME-2012.

RADIOACTIVITY 21Na, 29P(β+), (EC)[from 9Be(36Ar, X), E=150 MeV/nucleon using A1900 separator at NSCL-MSU]; measured Q(EC) using LEBIT Penning trap mass spectrometer. Comparison with previous experimental values.

doi: 10.1103/PhysRevC.92.045502
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2015GU09      Phys.Rev. C 91, 055501 (2015)

K.Gulyuz, J.Ariche, G.Bollen, S.Bustabad, M.Eibach, C.Izzo, S.J.Novario, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, A.A.Valverde

Determination of the direct double-β Q value of 96Zr and atomic masses of 90-92, 94, 96Zr and 92, 94-98, 100Mo

ATOMIC MASSES 90,91,92,94,96Zr, 92,94,95,96,97,98,100Mo; measured cyclotron frequency ratios, mass excesses using LEBIT Penning trap mass spectrometer facility at NSCL-MSU; deduce Q value for double-β decay of 96Zr. Relevance to neutrinoless double-β decay of 96Zr.

doi: 10.1103/PhysRevC.91.055501
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2015RO12      Phys.Rev. C 92, 014305 (2015)

D.M.Rossi, K.Minamisono, H.B.Asberry, G.Bollen, B.A.Brown, K.Cooper, B.Isherwood, P.F.Mantica, A.Miller, D.J.Morrissey, R.Ringle, J.A.Rodriguez, C.A.Ryder, A.Smith, R.Strum, C.Sumithrarachchi

Charge radii of neutron-deficient 36K and 37K

ATOMIC PHYSICS 36,37K; measured hyperfine spectra using optical pumping and subsequent β-decay asymmetry detection at the BECOLA facility at NSCL-MSU facility; deduced atomic rate equations from resonance spectra, mean-square charge radii with reference to 39K. 36,37K radioactive beams produced in the fragmentation of 140 MeV/nucleon 40Ca ions with Be target, and separated by using A1900 fragment separator at NSCL-MSU. Comparison with Skyrme EDF and shell-model calculations, and with measured values of other K isotopes. Discussed absence of shell-closure at N=20 in the K isotopic chain due to a balance between the monopole and the quadrupole proton-core polarizations.

doi: 10.1103/PhysRevC.92.014305
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2015VA05      Phys.Rev. C 91, 037301 (2015)

A.A.Valverde, G.Bollen, K.Cooper, M.Eibach, K.Gulyuz, C.Izzo, D.J.Morrissey, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.C.C.Villari

Penning trap mass measurement of 72Br

ATOMIC MASSES 72,72mBr; measured time-of-flight cyclotron resonance, mass excess using Low Energy Beam and Ion Trap (LEBIT) Penning trap mass spectrometer at NSCL-MSU facility; deduced precise energy of the 72Br isomer. Comparison with AME-2012. 72Br and 72mBr produced in 9Be(78Kr, X), E=150 MeV/nucleon reaction.

doi: 10.1103/PhysRevC.91.037301
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2015VA08      Phys.Rev.Lett. 114, 232502 (2015)

A.A.Valverde, G.Bollen, M.Brodeur, R.A.Bryce, K.Cooper, M.Eibach, K.Gulyuz, C.Izzo, D.J.Morrissey, M.Redshaw, R.Ringle, R.Sandler, S.Schwarz, C.S.Sumithrarachchi, A.C.C.Villari

First Direct Determination of the Superallowed β-Decay QEC Value for 14O

RADIOACTIVITY 14O(EC), (β+) [from Be(16O, X)14O, E=150 MeV/nucleon]; measured time-of-flight cyclotron resonance, frequency ratios; deduced T1/2, ground-state Q-value, log ft. Comparison with available data.

doi: 10.1103/PhysRevLett.114.232502
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2013BU12      Phys.Rev. C 88, 022501 (2013)

S.Bustabad, G.Bollen, M.Brodeur, D.L.Lincoln, S.J.Novario, M.Redshaw, R.Ringle, S.Schwarz, A.A.Valverde

First direct determination of the 48Ca double-β decay Q value

ATOMIC MASSES 48Ca, 48Ti; measured time-of-flight, cyclotron resonance frequencies ratios using LEBIT Penning-trap mass spectrometer at NSCL, MSU facility; deduced Q value for double beta decay of 48Ca. Comparison with ISOLTRAP measurements, and with AME-12.

RADIOACTIVITY 48Ca(2β-); measured Q value for double β decay using LEBIT Penning-trap spectrometer; deduced phase factors for 2νββ and 0νββ decay modes.

doi: 10.1103/PhysRevC.88.022501
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2013BU17      Phys.Rev. C 88, 035502 (2013)

S.Bustabad, G.Bollen, M.Brodeur, D.L.Lincoln, S.J.Novario, M.Redshaw, R.Ringle, S.Schwarz

Examination of the possible enhancement of neutrinoless double-electron capture in 78Kr

ATOMIC MASSES 78Se, 78Kr; measured cyclotron frequency ratios using LEBIT Penning-trap spectrometer at NSCL-MSU facility; deduced Q value for 2ϵ decay mode. Comparison with AME-12.

RADIOACTIVITY 78Kr(2EC); measured Q value using LEBIT system at NSCL-MSU facility; deduced resonance parameter and enhancement factor, exclusion of excited states in 78Se for resonantly enhanced 0νECEC mode.

doi: 10.1103/PhysRevC.88.035502
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2013LI01      Phys.Rev.Lett. 110, 012501 (2013)

D.L.Lincoln, J.D.Holt, G.Bollen, M.Brodeur, S.Bustabad, J.Engel, S.J.Novario, M.Redshaw, R.Ringle, S.Schwarz

First Direct Double-β Decay Q-Value Measurement of 82Se in Support of Understanding the Nature of the Neutrino

ATOMIC MASSES 82Kr, 82Se; measured time-of-flight cyclotron resonance , cyclotron resonance frequency; deduced Q-value. Penning trap measurement.

doi: 10.1103/PhysRevLett.110.012501
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2012RE17      Phys.Rev. C 86, 041306 (2012)

M.Redshaw, G.Bollen, M.Brodeur, S.Bustabad, D.L.Lincoln, S.J.Novario, R.Ringle, S.Schwarz

Atomic mass and double-β-decay Q value of 48Ca

ATOMIC MASSES 48Ca; measured time of flight, cyclotron resonance frequency using LEBIT Penning trap mass spectrometer at NSCL facility; deduced atomic mass, mass excess, Q value for ββ decay. Comparison with previous experimental studies, and with mass evaluations.

doi: 10.1103/PhysRevC.86.041306
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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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2011KW02      J.Phys.:Conf.Ser. 312, 092035 (2011)

A.A.Kwiatkowski, B.R.Barquest, M.Block, G.Bollen, C.M.Campbell, R.Ferrer, D.L.Lincoln, D.J.Morrissey, G.K.Pang, M.Redshaw, R.Ringle, S.Schwarz, J.Savory

High precision Penning trap mass spectrometry of rare isotopes produced by projectile fragmentation

ATOMIC MASSES 63,64,65,66,67,68Fe, 64,65,66,67,68,69Co; measured mass, 2n separation energies using Penning trap radiofrequency. Compared with AME03, other data.

doi: 10.1088/1742-6596/312/9/092035
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2010BO02      Nature(London) 463, 740 (2010)

G.Bollen

Nuclear physics: Weighing up the superheavies

doi: 10.1038/463740a
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2010FE01      Phys.Rev. C 81, 044318 (2010)

R.Ferrer, M.Block, C.Bachelet, B.R.Barquest, G.Bollen, C.M.Campbell, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz

Penning trap mass spectrometry of neutron-rich Fe and Co isotopes around N=40 with the LEBIT mass spectrometer

ATOMIC MASSES 63,64,65,65m,66Fe, 64,65,66,67,67mCo; measured cyclotron resonance frequencies and mass excesses using LEBIT Penning-trap mass spectrometer. Comparison with AME-2003 evaluation. 61,63,65,67Fe; systematics of low-lying levels. Z=24-31, N=35-44; systematics of two-neutron separation energies.

doi: 10.1103/PhysRevC.81.044318
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2010KW02      Phys.Rev. C 81, 058501 (2010)

A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, R.Ferrer, A.E.Gehring, D.L.Lincoln, D.J.Morrissey, G.K.Pang, J.Savory, S.Schwarz

Penning trap mass measurement of 26Si

ATOMIC MASSES 26Si; measured mass using LEBIT Penning trap mass spectrometer. Comparison with other experimental results.

doi: 10.1103/PhysRevC.81.058501
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2009KW02      Phys.Rev. C 80, 051302 (2009)

A.A.Kwiatkowski, B.R.Barquest, G.Bollen, C.M.Campbell, D.L.Lincoln, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, S.Schwarz, C.M.Folden III, D.Melconian, S.K.L.Sjue, M.Block

Precision test of the isobaric multiplet mass equation for the A=32, T=2 quintet

ATOMIC MASSES 32,33Si, 32S, 31,34P; measured masses using LEBIT Penning-trap spectrometer; deduced mass excesses. Discussed validity of quadratic form of isobaric multiplet mass equation (IMME).

doi: 10.1103/PhysRevC.80.051302
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2009RI12      Phys.Rev. C 80, 064321 (2009)

R.Ringle, C.Bachelet, M.Block, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.M.Prinke, J.Savory, P.Schury, S.Schwarz, C.S.Sumithrarachchi

High-precision Penning trap mass measurements of neutron-rich sulfur isotopes at the N=28 shell closure

ATOMIC MASSES 40,41,42,43,44S; measured precise mass excesses using LEBIT Penning trap mass spectrometer. Comparison with other recent mass measurements. Systematics of S(2n) values for N=24-30, Z=15-18 nuclides.

doi: 10.1103/PhysRevC.80.064321
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2009SA12      Phys.Rev.Lett. 102, 132501 (2009)

J.Savory, P.Schury, C.Bachelet, M.Block, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, E.Kwan, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.Prinke, R.Ringle, H.Schatz, S.Schwarz, C.S.Sumithrarachchi

rp Process and Masses of N ∼ Z ∼ 34 Nuclides

ATOMIC MASSES 68,70Se, 70,71Br; measured frequencies using penning trap; deduced masses. 70,71Kr predicted masses.

doi: 10.1103/PhysRevLett.102.132501
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2009SC29      Eur.Phys.J. A 42, 323 (2009)

S.Schwarz, M.Block, G.Bollen, C.M.Campbell, M.Facina, R.Ferrer, C.M.Folden III, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.M.Prinke, R.J.Ringle, J.Savory, P.H.Schury

Precision Penning trap mass measurements of rare isotopes produced by projectile fragmentation

ATOMIC MASSES 32Si, 32P, 32S, 32Cl, 32Ar; analyzed masses from Penning trap measurements. Comparison with Isobaric Multiplet Mass Equation calculations.

doi: 10.1140/epja/i2009-10808-4
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2008BL05      Phys.Rev.Lett. 100, 132501 (2008); Erratum Phys.Rev.Lett. 101, 059901 (2008)

M.Block, C.Bachelet, G.Bollen, M.Facina, C.M.Folden III, C.Guenaut, A.A.Kwiatkowski, D.J.Morrissey, G.K.Pang, A.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz

Discovery of a Nuclear Isomer in 65Fe with Penning Trap Mass Spectrometry

ATOMIC MASSES 63,64,65Fe, 64,65,66Co; measured and evaluated masses using Penning trap mass spectrometer, isotopes produced by projectile fragmentation with LEBIT at NSCL. 65mFe; deduced level energy, T1/2 for isomeric state.

doi: 10.1103/PhysRevLett.100.132501
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2008MU04      Eur.Phys.J. A 35, 1 (2008)

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

ISOLTRAP: An on-line Penning trap for mass spectrometry on short-lived nuclides

doi: 10.1140/epja/i2007-10528-9
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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
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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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2007BO50      Eur.Phys.J. Special Topics 150, 337 (2007)

G.Bollen, C.Bachelet, M.Block, D.A.Davies, M.Facina, C.M.Folden, C.Guenaut, J.Huikari, E.Kwan, A.Kwiatowski, D.J.Morrissey, G.Pang, A.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz, C.Sumithrarachchi, T.Sun

Penning trap mass measurements of rare isotopes produced by projectile fragmentation with LEBIT at NSCL

ATOMIC MASSES 80As, 81Se; measured masses a penning trap mass spectrometer.

doi: 10.1140/epjst/e2007-00340-3
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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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2007RI08      Phys.Rev. C 75, 055503 (2007)

R.Ringle, T.Sun, G.Bollen, D.Davies, M.Facina, J.Huikari, E.Kwan, D.J.Morrissey, A.Prinke, J.Savory, P.Schury, S.Schwarz, C.S.Sumithrarachchi

High-precision Penning trap mass measurements of 37, 38Ca and their contributions to conserved vector current and isobaric mass multiplet equation

ATOMIC MASSES 37,38Ca; measured masses using penning trap mass spectrometer. Deduced mass excess and implications on CVC and IMME.

doi: 10.1103/PhysRevC.75.055503
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2007SC24      Phys.Rev. C 75, 055801 (2007); Erratum Phys.Rev. C 80, 029905 (2009)

P.Schury, C.Bachelet, M.Block, G.Bollen, D.A.Davies, M.Facina, C.M.Folden III, C.Guenaut, J.Huikari, E.Kwan, A.Kwiatkowski, D.J.Morrissey, R.Ringle, G.K.Pang, A.Prinke, J.Savory, H.Schatz, S.Schwarz, C.S.Sumithrarachchi, T.Sun

Precision mass measurements of rare isotopes near N = Z = 33 produced by fast beam fragmentation

ATOMIC MASSES 63,64Ga, 64,65,66Ge, 66,67,68As, 69Se; measured masses using penning trap mass spectrometer. Astrophysical implications discussed.

doi: 10.1103/PhysRevC.75.055801
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2007ST03      Phys.Rev.Lett. 98, 122701 (2007)

I.Stefanescu, G.Georgiev, F.Ames, J.Aysto, D.L.Balabanski, G.Bollen, P.A.Butler, J.Cederkall, N.Champault, T.Davinson, A.De Maesschalck, P.Delahaye, J.Eberth, D.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, K.Gladnishki, D.Habs, K.Heyde, M.Huyse, O.Ivanov, J.Iwanicki, J.Jolie, B.Jonson, Th.Kroll, R.Krucken, O.Kester, U.Koster, A.Lagoyannis, L.Liljeby, G.Lo Bianco, B.A.Marsh, O.Niedermaier, T.Nilsson, M.Oinonen, G.Pascovici, P.Reiter, A.Saltarelli, H.Scheit, D.Schwalm, T.Sieber, N.Smirnova, J.Van De Walle, P.Van Duppen, S.Zemlyanoi, N.Warr, D.Weisshaar, F.Wenander

Coulomb Excitation of 68, 70Cu: First Use of Postaccelerated Isomeric Beams

NUCLEAR REACTIONS 120Sn(68Cu, 68Cu'), (70Cu, 70Cu'), E=2.83 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 68,70Cu deduced transitions B(E2). Isomeric beams, comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.98.122701
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2006BO11      Phys.Rev.Lett. 96, 152501 (2006)

G.Bollen, D.Davies, M.Facina, J.Huikari, E.Kwan, P.A.Lofy, D.J.Morrissey, A.Prinke, R.Ringle, J.Savory, P.Schury, S.Schwarz, C.Sumithrarachchi, T.Sun, L.Weissman

Experiments with Thermalized Rare Isotope Beams from Projectile Fragmentation: A Precision Mass Measurement of the Superallowed β Emitter 38Ca

ATOMIC MASSES 38Ca; measured mass. Penning trap mass spectrometer.

doi: 10.1103/PhysRevLett.96.152501
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2006JE02      Phys.Lett. B 635, 17 (2006)

H.B.Jeppesen, A.M.Moro, T.Nilsson, F.Ames, P.van den Bergh, U.C.Bergmann, G.Bollen, M.J.G.Borge, J.Cederkall, P.Van Duppen, S.Emhofer, O.Forstner, L.M.Fraile, H.O.U.Fynbo, J.Gomez-Camacho, D.Habs, R.von Hahn, G.Huber, M.Huyse, H.T.Johansson, B.Jonson, O.Kester, H.Lenske, L.Liljeby, M.Meister, G.Nyman, M.Oinonen, M.Pantea, H.Podlech, U.Ratzinger, K.Reisinger, K.G.Rensfelt, R.Repnow, K.Riisager, A.Richter, K.Rudolph, H.Scheit, A.Schempp, P.Schmidt, G.Schrieder, D.Schwalm, T.Sieber, H.Simon, O.Tengblad, E.Tengborn, M.Turrion, L.Weissman, F.Wenander, B.Wolf

Investigation of the 9Li + 2H → 8Li + t reaction at REX-ISOLDE

NUCLEAR REACTIONS 2H(9Li, 8Li), E=2.36 MeV/nucleon; measured particle spectra, σ(θ). 8Li levels deduced energies, spectroscopic factors. Comparison with optical model calculations, post-accelerated radioactive beam.

doi: 10.1016/j.physletb.2006.02.034
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1395.


2006RI15      Int.J. Mass Spectrom. 251, 300 (2006)

R.Ringle, P.Schury, T.Sun, G.Bollen, D.Davies, J.Huikari, E.Kwan, D.J.Morrissey, A.Prinke, J.Savory, S.Schwarz, C.Sumithrarachchi

Precision mass measurements with LEBIT at MSU

ATOMIC MASSES 78,80,82,83,84Kr; measured masses using the LEBIT Penning trap mass spectrometer. Comparison with 2003 mass evaluation.

doi: 10.1016/j.ijms.2006.02.011
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2006RO11      Nucl.Phys. A769, 1 (2006)

D.Rodriguez, G.Audi, J.Aysto, D.Beck, K.Blaum, G.Bollen, F.Herfurth, A.Jokinen, A.Kellerbauer, H.-J.Kluge, V.S.Kolhinen, M.Oinonen, E.Sauvan, S.Schwarz

Accurate mass measurements on neutron-deficient krypton isotopes

ATOMIC MASSES 72,73,74,75,76,77,78,80,82,86Kr; measured masses. Penning trap mass spectrometer.

doi: 10.1016/j.nuclphysa.2006.02.001
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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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2005GU27      J.Phys.(London) G31, S1765 (2005)

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

Mass measurements of 56-57Cr and the question of shell reincarnation at N = 32

ATOMIC MASSES 56,57Cr; measured masses. Penning trap mass spectrometer.

NUCLEAR STRUCTURE Z=15-28; analyzed two-neutron separation energies, pairing energies, masses; deduced N=32 shell gap.

doi: 10.1088/0954-3899/31/10/069
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2005GU36      Eur.Phys.J. A 25, Supplement 1, 33 (2005)

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

Is N = 40 magic? An analysis of ISOLTRAP mass measurements

ATOMIC MASSES 54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72Ni, 57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76Cu, 61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81Ga; analyzed masses; deduced possible sub-shell closure. Penning trap mass spectrometer.

doi: 10.1140/epjad/i2005-06-029-9
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2005GU37      Eur.Phys.J. A 25, Supplement 1, 35 (2005)

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

Extending the mass "backbone" to short-lived nuclides with ISOLTRAP

ATOMIC MASSES 56,57Mn, 82mRb, 92Sr, 124,127Cs, 130Ba; measured masses. Penning trap mass spectrometer.

doi: 10.1140/epjad/i2005-06-030-4
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2005HE26      Eur.Phys.J. A 25, Supplement 1, 17 (2005)

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

Recent high-precision mass measurements with the Penning trap spectrometer ISOLTRAP

ATOMIC MASSES 229,230,231,232Ra, 230Fr; measured masses. Penning trap mass spectrometer.

NUCLEAR STRUCTURE Z=81-102; analyzed two-neutron separation energies.

doi: 10.1140/epjad/i2005-06-031-3
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2005NI09      Nucl.Phys. A752, 273c (2005)

O.Niedermaier, H.Scheit, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter

The neutron-rich Mg isotopes: first results from MINIBALL at REX-ISOLDE

NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.25 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 30Mg deduced transition, B(E2).

doi: 10.1016/j.nuclphysa.2005.02.071
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2005NI11      Phys.Rev.Lett. 94, 172501 (2005)

O.Niedermaier, H.Scheit, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter

"Safe" Coulomb Excitation of 30Mg

NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.25 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 30Mg transition deduced B(E2).

doi: 10.1103/PhysRevLett.94.172501
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2005RI18      Eur.Phys.J. A 25, Supplement 1, 59 (2005)

R.Ringle, G.Bollen, D.Lawton, P.Schury, S.Schwarz, T.Sun

The LEBIT 9.4 T Penning trap system

doi: 10.1140/epjad/i2005-06-132-y
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2005RO39      Eur.Phys.J. A 25, Supplement 1, 41 (2005)

D.Rodriguez, V.S.Kolhinen, G.Audi, J.Aysto, D.Beck, K.Blaum, G.Bollen, F.Herfurth, A.Jokinen, A.Kellerbauer, H.-J.Kluge, M.Oinonen, H.Schatz, E.Sauvan, S.Schwarz

Mass measurement on the rp-process waiting point 72Kr

ATOMIC MASSES 72,73,74Kr, 73Rb, 74Sr; measured masses. Penning trap mass spectrometer.

doi: 10.1140/epjad/i2005-06-164-3
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2005SC26      Eur.Phys.J. A 25, Supplement 1, 51 (2005)

P.Schury, G.Bollen, D.A.Davies, A.Doemer, D.Lawton, D.J.Morrissey, J.Ottarson, A.Prinke, R.Ringle, T.Sun, S.Schwarz, L.Weissman

Precision experiments with rare isotopes with LEBIT at MSU

ATOMIC MASSES 78,80,82,83,84,86Kr; measured masses. Penning trap mass spectrometer.

doi: 10.1140/epjad/i2005-06-131-0
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2005SC27      Eur.Phys.J. A 25, Supplement 1, 397 (2005)

H.Scheit, O.Niedermaier, V.Bildstein, H.Boie, J.Fitting, R.von Hahn, F.Kock, M.Lauer, U.K.Pal, H.Podlech, R.Repnow, D.Schwalm, C.Alvarez, F.Ames, G.Bollen, S.Emhofer, D.Habs, O.Kester, R.Lutter, K.Rudolph, M.Pasini, P.G.Thirolf, B.H.Wolf, J.Eberth, G.Gersch, H.Hess, P.Reiter, O.Thelen, N.Warr, D.Weisshaar, F.Aksouh, P.Van den Bergh, P.Van Duppen, M.Huyse, O.Ivanov, P.Mayet, J.Van de Walle, J.Aysto, P.A.Butler, J.Cederkall, P.Delahaye, H.O.U.Fynbo, L.M.Fraile, O.Forstner, S.Franchoo, U.Koster, T.Nilsson, M.Oinonen, T.Sieber, F.Wenander, M.Pantea, A.Richter, G.Schrieder, H.Simon, T.Behrens, R.Gernhauser, T.Kroll, R.Krucken, M.Munch, T.Davinson, J.Gerl, G.Huber, A.Hurst, J.Iwanicki, B.Jonson, P.Lieb, L.Liljeby, A.Schempp, A.Scherillo, P.Schmidt, G.Walter

Coulomb excitation of neutron-rich beams at REX-ISOLDE

NUCLEAR REACTIONS Ni(30Mg, 30Mg'), E=2.2 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation.2Hmeasured Eγ, Iγ, γγ-, (particle)γ-coin. 30Mg deduced transitions B(E2). 31Mg deduced transitions. Miniball array.

doi: 10.1140/epjad/i2005-06-165-2
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2005SI34      Nucl.Phys. A763, 45 (2005); Erratum Nucl.Phys. A768, 160 (2006)

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

Mass measurements on neutron-deficient Sr and neutron-rich Sn isotopes with the ISOLTRAP mass spectrometer

ATOMIC MASSES 76,77,80,81,86,88Sr, 124,129,130,131,132Sn; measured masses. Penning trap mass spectrometer, comparison with previous results.

doi: 10.1016/j.nuclphysa.2005.08.014
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2005SU23      Eur.Phys.J. A 25, Supplement 1, 61 (2005)

T.Sun, S.Schwarz, G.Bollen, D.Lawton, R.Ringle, P.Schury

Commissioning of the ion beam buncher and cooler for LEBIT

doi: 10.1140/epjad/i2005-06-126-9
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2005WE11      Phys.Lett. A 347, 81 (2005)

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

Weighting excited nuclear states with a Penning trap mass spectrometer

ATOMIC MASSES 187,187mPb; measured masses. 187Pb deduced isomeric state energy. Penning trap mass spectrometer.

doi: 10.1016/j.physleta.2005.06.108
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2005WE13      Eur.Phys.J. A 25, Supplement 1, 201 (2005)

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

Effects of the pairing energy on nuclear charge radii

ATOMIC MASSES 186,196Tl, 190,192,194,196,216Bi; analyzed mass data. Z=80-81; analyzed two-neutron separation energies, correlation with charge radii.

doi: 10.1140/epjad/i2005-06-195-8
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2004BL16      Europhys.Lett. 67, 586 (2004)

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

Population inversion of nuclear states by a Penning trap mass spectrometer

ATOMIC MASSES 68Cu; measured isomeric states mass excesses. Penning trap mass spectrometer.

doi: 10.1209/epl/i2004-10089-5
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2004BL20      Nucl.Phys. A746, 305c (2004)

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

Recent results from the Penning trap mass spectrometer ISOLTRAP

doi: 10.1016/j.nuclphysa.2004.09.028
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2004BO44      Nucl.Phys. A746, 597c (2004)

G.Bollen, S.Schwarz, D.Davies, P.Lofy, D.J.Morrissey, R.Ringle, P.Schury, T.Sun, L.Weissman

Towards precision experiments with LEBIT at NSCL/MSU

doi: 10.1016/j.nuclphysa.2004.09.096
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2004DI18      Eur.Phys.J. A 22, 163 (2004)

J.Dilling, F.Herfurth, A.Kellerbauer, G.Audi, D.Beck, G.Bollen, H.-J.Kluge, R.B.Moore, C.Scheidenberger, S.Schwarz, G.Sikler, and the ISOLDE Collaboration

Direct mass measurements of neutron-deficient xenon isotopes using the ISOLTRAP mass spectrometer

ATOMIC MASSES 114,115,116,117,118,119,120,121,122,123Xe; measured masses. Penning trap spectrometer, comparisons with previous results. Application to atomic mass evaluation discussed.

doi: 10.1140/epja/i2004-10015-y
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2004HE32      Nucl.Phys. A746, 487c (2004)

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

Masses along the rp-process path and large scale surveys on Cu, Ni and Ga with ISOLTRAP

ATOMIC MASSES 57,60,64,65,66,67,68,69Ni, 76,77,80,81,86,88Sr; measured masses. Penning traps. Comparison with previous results.

doi: 10.1016/j.nuclphysa.2004.09.074
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2004KE10      Phys.Rev.Lett. 93, 072502 (2004)

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

Direct Mass Measurements on the Superallowed Emitter 74Rb and Its Daughter 74Kr: Isospin-Symmetry-Breaking Correction for Standard-Model Tests

ATOMIC MASSES 74Rb, 74Kr; measured masses. 74Rb deduced Qβ, log ft, isospin-symmetry-breaking correction. Penning trap.

doi: 10.1103/PhysRevLett.93.072502
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2004KE14      Nucl.Phys. A746, 635c (2004)

A.Kellerbauer, G.Audi, D.Beck, K.Blaum, G.Bollen, P.Delahaye, F.Herfurth, H.-J.Kluge, V.Kolhinen, M.Mukherjee, D.Rodriguez, S.Schwarz

Towards high-precision mass measurements on 74Rb for a test of the CVC hypothesis and the unitarity of the CKM matrix

ATOMIC MASSES 74Rb, 74Kr; measured masses; deduced superallowed β-decay energy.

doi: 10.1016/j.nuclphysa.2004.09.099
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2004MU26      Phys.Rev.Lett. 93, 150801 (2004)

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

The Mass of 22Mg

ATOMIC MASSES 22Mg, 21,22Na; measured masses. 22Mg deduced Qβ. Penning trap spectrometer, astrophysical implications discussed.

doi: 10.1103/PhysRevLett.93.150801
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2004RO32      Phys.Rev.Lett. 93, 161104 (2004)

D.Rodriguez, V.S.Kolhinen, G.Audi, J.Aysto, D.Beck, K.Blaum, G.Bollen, F.Herfurth, A.Jokinen, A.Kellerbauer, H.-J.Kluge, M.Oinonen, H.Schatz, E.Sauvan, S.Schwarz

Mass Measurement on the rp-Process Waiting Point 72Kr

ATOMIC MASSES 72,73,74Kr; measured masses. Penning trap spectrometer, astrophysical implications discussed.

doi: 10.1103/PhysRevLett.93.161104
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2004VA07      Phys.Rev.Lett. 92, 112501 (2004)

J.Van Roosbroeck, C.Guenaut, G.Audi, D.Beck, K.Blaum, G.Bollen, J.Cederkall, P.Delahaye, A.De Maesschalck, H.De Witte, D.Fedorov, V.N.Fedoseyev, S.Franchoo, H.O.U.Fynbo, M.Gorska, F.Herfurth, K.Heyde, M.Huyse, A.Kellerbauer, H.-J.Kluge, U.Koster, K.Kruglov, D.Lunney, V.I.Mishin, W.F.Mueller, Sz.Nagy, S.Schwarz, L.Schweikhard, N.A.Smirnova, K.Van de Vel, P.Van Duppen, A.Van Dyck, W.B.Walters, L.Weissman, C.Yazidjian

Unambiguous Identification of Three β-Decaying Isomers in 70Cu

RADIOACTIVITY 70Ni(β-); 70mCu(β-), (IT) [from U(p, F) and subsequent decay]; measured Eγ, Iγ, T1/2; deduced log ft. 70Cu deduced levels J, π, configurations. Large scale shell model calculations.

ATOMIC MASSES 70mCu; measured isomeric states mass excesses. Penning trap.

doi: 10.1103/PhysRevLett.92.112501
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2004WE15      Nucl.Phys. A746, 655c (2004)

L.Weissman, P.A.Lofy, D.A.Davies, D.J.Morrissey, P.Schury, S.Schwarz, T.Sun, G.Bollen

First extraction tests of the NSCL gas cell

doi: 10.1016/j.nuclphysa.2004.09.045
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2003BL03      J.Phys.(London) B36, 921 (2003)

K.Blaum, G.Bollen, F.Herfurth, A.Kellerbauer, H.-J.Kluge, M.Kuckein, S.Heinz, P.Schmidt, L.Schweikhard

Recent developments at ISOLTRAP: towards a relative mass accuracy of exotic nuclei below 10-8

doi: 10.1088/0953-4075/36/5/311
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2003BL17      Phys.Rev.Lett. 91, 260801 (2003)

K.Blaum, G.Audi, D.Beck, G.Bollen, F.Herfurth, A.Kellerbauer, H.-J.Kluge, E.Sauvan, S.Schwarz

Masses of 32Ar and 33Ar for Fundamental Tests

ATOMIC MASSES 32Si, 33P, 33S, 33Cl, 32,33,44,45Ar; measured mass excess; deduced beta-neutrino correlation coefficient. Comparison with previous results.

doi: 10.1103/PhysRevLett.91.260801
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2003BO04      J.Phys.(London) B36, 941 (2003)

G.Bollen, S.Schwarz

Penning trap mass measurements on rare isotopes - status and new developments

doi: 10.1088/0953-4075/36/5/313
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2003HE05      J.Phys.(London) B36, 931 (2003)

F.Herfurth, F.Ames, G.Audi, D.Beck, K.Blaum, G.Bollen, A.Kellerbauer, H.-J.Kluge, M.Kuckein, D.Lunney, R.B.Moore, M.Oinonen, D.Rodriguez, E.Sauvan, C.Scheidenberger, S.Schwarz, G.Sikler, C.Weber, and the ISOLDE Collaboration

Mass measurements and nuclear physics - recent results from ISOLTRAP

ATOMIC MASSES Z=68-89; analyzed mass data; deduced two-neutron separation energies.

doi: 10.1088/0953-4075/36/5/312
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2003KE01      Eur.Phys.J. D 22, 53 (2003)

A.Kellerbauer, K.Blaum, G.Bollen, F.Herfurth, H.-J.Kluge, M.Kuckein, E.Sauvan, C.Scheidenberger, L.Schweikhard

From direct to absolute mass measurements: A study of the accuracy of ISOLTRAP

doi: 10.1140/epjd/e2002-00222-0
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2002BE54      Nucl.Phys. A701, 369c (2002)

D.Beck, F.Ames, M.Beck, G.Bollen, B.Delaure, J.Deutsch, J.Dilling, O.Forstner, T.Phalet, R.Prieels, W.Quint, P.Schmidt, P.Schuurmans, N.Severijns, B.Vereecke, S.Versyck, and the EUROTRAPS Collaboration

Search for New Physics in Beta-Neutrino Correlations with the WITCH Spectrometer

doi: 10.1016/S0375-9474(01)01612-8
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2002BL18      Eur.Phys.J. A 15, 245 (2002)

K.Blaum, G.Bollen, F.Herfurth, A.Kellerbauer, H.J.Kluge, M.Kuckein, E.Sauvan, C.Scheidenberger, L.Schweikhard

Carbon clusters for absolute mass measurements at ISOLTRAP

doi: 10.1140/epja/i2001-10262-4
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2002BO47      Eur.Phys.J. A 15, 237 (2002)

G.Bollen

Ion traps-Precision measurements and more

doi: 10.1140/epja/i2001-10261-5
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2002DI18      Nucl.Phys. A701, 520c (2002)

J.Dilling, G.Audi, D.Beck, G.Bollen, S.Henry, F.Herfurth, A.Kellerbauer, H.-J.Kluge, D.Lunney, R.B.Moore, C.Scheidenberger, S.Schwarz, G.Sikler, J.Szerypo, and the ISOLDE Collaboration

Direct Mass Measurements of Neutron-Deficient Xenon Isotopes with the ISOLTRAP Mass Spectrometer

ATOMIC MASSES 114,115,116,117,118,119,120,121,122,123,124Xe; measured masses. Penning trap.

doi: 10.1016/S0375-9474(01)01638-4
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2002HE13      Nucl.Phys. A701, 516c (2002)

F.Herfurth, G.Audi, D.Beck, G.Bollen, J.Dilling, S.Henry, A.Kellerbauer, H.-J.Kluge, V.Kolhinen, D.Lunney, R.B.Moore, C.Scheidenberger, S.Schwarz, G.Sikler, J.Szerypo, and the ISOLDE Collaboration

Extension of Penning-Trap Mass Measurements to Very Short-Lived Nuclides

ATOMIC MASSES 33Ar; measured mass. Penning trap.

doi: 10.1016/S0375-9474(01)01637-2
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2002HE23      Eur.Phys.J. A 15, 17 (2002)

F.Herfurth, A.Kellerbauer, F.Ames, G.Audi, D.Beck, K.Blaum, G.Bollen, O.Engels, H.J.Kluge, D.Lunney, R.B.Moore, M.Oinonen, E.Sauvan, C.Scheidenberger, S.Schwarz, G.Sikler, C.Weber, and the ISOLDE Collaboration

Accurate mass measurements of very short-lived nuclei: Prerequisites for high-accuracy investigations of superallowed β-decays

ATOMIC MASSES 34,36,38Ar, 41K, 74,76Rb, 73,74,75,76,77,78,80,82Kr; measured masses. Penning-trap mass spectrometer.

doi: 10.1140/epja/i2001-10216-x
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2002KE07      Nucl.Phys. A701, 565c (2002)

A.Kellerbauer, G.Bollen, J.Dilling, S.Henry, F.Herfurth, H.-J.Kluge, E.Lamour, R.B.Moore, C.Scheidenberger, S.Schwarz, G.Sikler, J.Szerypo

A Linear Radiofrequency Quadrupole Ion Trap for the Cooling and Bunching of Radioactive Ion Beams

doi: 10.1016/S0375-9474(01)01645-1
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2002RA23      Nucl.Phys. A706, 3 (2002)

H.Raimbault-Hartmann, G.Audi, D.Beck, G.Bollen, M.de Saint Simon, H.-J.Kluge, M.Konig, R.B.Moore, S.Schwarz, G.Savard, J.Szerypo, and the ISOLDE Collaboration

High-Accuracy Mass Determination of Neutron-Rich Rubidium and Strontium Isotopes

ATOMIC MASSES 88,89,90,91,92,93,94Rb, 91,92,93,94,95Sr; measured masses. On-line mass spectrometry. Penning trap. Least-squares adjustment of data.

doi: 10.1016/S0375-9474(02)00863-1
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2002SC25      Nucl.Phys. A701, 550c (2002)

P.Schmidt, F.Ames, G.Bollen, O.Forstner, G.Huber, M.Oinonen, J.Zimmer, and the REX-ISOLDE Collaboration

Bunching and Cooling of Radioactive Ions with REXTRAP

doi: 10.1016/S0375-9474(01)01642-6
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2002SC26      Nucl.Phys. A701, 574c (2002)

C.Scheidenberger, G.Bollen, F.Herfurth, A.Kellerbauer, H.-J.Kluge, M.Koizumi, S.Schwarz, L.Schweikhard

Production and Trapping of Carbon Clusters for Absolute Mass Measurements at ISOLTRAP

doi: 10.1016/S0375-9474(01)01647-5
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