NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = G.Savard Found 126 matches. Showing 1 to 100. [Next]2024LA01 Phys.Rev. C 109, 024309 (2024) S.Lalkovski, F.G.Kondev, K.Auranen, A.D.Ayangeakaa, M.P.Carpenter, J.A.Clark, P.Copp, N.P.Giha, D.J.Hartley, T.Lauritsen, S.Marley, G.E.Morgan, C.Muller-Gatermann, S.Nandi, W.Reviol, D.Santiago-Gonzalez, G.Savard, D.Seweryniak, Ir.B.Vasilev, J.Wu Structure of the high-spin, β-decaying state in the neutron-rich nucleus 146La
doi: 10.1103/PhysRevC.109.024309
2024LO02 Phys.Rev.Lett. 132, 142502 (2024) B.Longfellow, A.T.Gallant, G.H.Sargsyan, M.T.Burkey, T.Y.Hirsh, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, K.D.Launey, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan Improved Tensor Current Limit from 8B β Decay Including New Recoil-Order Calculations RADIOACTIVITY 8B(β+) [from 6Li(3He, n)8B, E not given]; measured decay products, Eα, Iα, Eβ, Iβ, α-α-β-coin.; deduced β-ν angular correlation coefficient impacted by 2+ intruder state, Gamow-Teller decays. Comparison with new ab initio symmetry-adapted no-core shell-model calculations, available data. The Beta-decay Paul Trap, Argonne National Laboratory, the ATLAS facility.
doi: 10.1103/PhysRevLett.132.142502
2024SO03 Phys.Rev. C 109, 024605 (2024) J.Song, G.Savard, J.Greene, J.A.Nolen Design and validation of a fission-product source for radioactive beams
doi: 10.1103/PhysRevC.109.024605
2024WU04 Phys.Rev. C 109, 024314 (2024) J.Wu, M.P.Carpenter, F.G.Kondev, R.V.F.Janssens, S.Zhu, E.A.McCutchan, A.D.Ayangeakaa, J.Chen, J.Clark, D.J.Hartley, T.Lauritsen, N.Pietralla, G.Savard, D.Seweryniak, V.Werner Determination of the spins and parities for the 04+ and 05+ states in 100Zr
doi: 10.1103/PhysRevC.109.024314
2023BY02 Phys.Rev.Lett. 131, 082502 (2023) W.Byron, H.Harrington, R.J.Taylor, W.DeGraw, N.Buzinsky, B.Dodson, M.Fertl, A.Garcia, G.Garvey, B.Graner, M.Guigue, L.Hayen, X.Huyan, K.S.Khaw, K.Knutsen, D.McClain, D.Melconian, P.Muller, E.Novitski, N.S.Oblath, R.G.H.Robertson, G.Rybka, G.Savard, E.Smith, D.D.Stancil, M.Sternberg, D.W.Storm, H.E.Swanson, J.R.Tedeschi, B.A.VanDevender, F.E.Wietfeldt, A.R.Young, X.Zhu, for the He6-CRES Collaboration First Observation of Cyclotron Radiation from MeV-Scale e± following Nuclear β Decay RADIOACTIVITY 6He(β-), 19Ne(β+) [7Li(d, 3He), E=17.8 MeV; 19F(p, n), E=12 MeV]; measured decay products, Eβ, Iβ; deduced β spectra, first direct observation of cyclotron radiation from individual highly relativistic β in a waveguide. The cyclotron radiation emission spectroscopy (CRES) technique, FN-tandem accelerator at the University of Washington.
doi: 10.1103/PhysRevLett.131.082502
2023CL04 Eur.Phys.J. A 59, 204 (2023) J.Clark, G.Savard, M.Mumpower, A.Kankainen Precise mass measurements of radioactive nuclides for astrophysics
doi: 10.1140/epja/s10050-023-01037-0
2023GA11 Phys.Rev.Lett. 130, 192502 (2023) A.T.Gallant, N.D.Scielzo, G.Savard, J.A.Clark, M.Brodeur, F.Buchinger, D.P.Burdette, M.T.Burkey, S.Caldwell, J.E.Crawford, A.Czeszumska, C.M.Deibel, J.Greene, D.Heslop, T.Y.Hirsh, A.F.Levand, B.Longfellow, G.E.Morgan, P.Mueller, R.Orford, S.Padgett, N.Paul, A.Perez Galvan, A.Reimer, R.Segel, K.S.Sharma, K.Siegl, L.Varriano, B.J.Zabransky Angular Correlations in the β Decay of 8B: First Tensor-Current Limits from a Mirror-Nucleus Pair RADIOACTIVITY 8B(β+); measured decay products, Eβ, Iβ; deduced the α-β-ν angular correlation in the Gamow-Teller β+ decay. The Beta-decay Paul Trap.
doi: 10.1103/PhysRevLett.130.192502
2023HA30 Phys.Rev. C 108, 024307 (2023) D.J.Hartley, F.G.Kondev, M.P.Carpenter, J.A.Clark, P.Copp, B.Kay, T.Lauritsen, G.Savard, D.Seweryniak, G.L.Wilson, J.Wu First b--decay spectroscopy study of 157Nd RADIOACTIVITY 157Nd(β-)[from 252Cf(SF)]; measured Eγ, Iγ, Eβ, Iβ, βγ-coin, βγγ-coin; deduced T1/2, logft, branchings, β-feedings. 157Pm; deduced levels, J, π, configurations. Systematics of relative energies of quasiproton orbitals observed in promethium, europium, and terbium N =90, 92, 94, and 96 nuclei - 151Pm, 153Pm, 155Pm, 157Pm, 153Eu, 155Pm, 157Pm, 159Pm, 155Tb, 157Tb, 159Tb, 161Tb. Separated A=157 beam from CARIBU source delivered to the SATURN moving tape collection system, which was surrounded by X-Array spectrometer comprised of 5 germanium clover detectors plastic scintillators.
doi: 10.1103/PhysRevC.108.024307
2023HO14 Phys.Rev.Lett. 131, 262701 (2023) D.E.M.Hoff, K.Kolos, G.W.Misch, D.Ray, B.Liu, A.A.Valverde, M.Brodeur, D.P.Burdette, N.Callahan, J.A.Clark, A.T.Gallant, F.G.Kondev, G.E.Morgan, M.R.Mumpower, R.Orford, W.S.Porter, F.Rivero, G.Savard, N.D.Scielzo, K.S.Sharma, K.Sieja, T.M.Sprouse, L.Varriano Direct Mass Measurements to Inform the Behavior of 128mSb in Nucleosynthetic Environments ATOMIC MASSES 128,128mSb; measured cyclotron frequencies; deduced mass excesses, isomer excitation energy. Comparison with AME2020, NUBASE2020, state-of-the-art shell model calculations using the GCN5082 interaction. The phase-imaging ion-cyclotron resonance (PI-ICR) technique with the Canadian Penning Trap (CPT) mass spectrometer at the Californium Rare Isotope Breeder Upgrade facility.
doi: 10.1103/PhysRevLett.131.262701
2023LO04 Phys.Rev. C 107, L032801 (2023) B.Longfellow, A.T.Gallant, T.Y.Hirsh, M.T.Burkey, G.Savard, N.D.Scielzo, L.Varriano, M.Brodeur, D.P.Burdette, J.A.Clark, D.Lascar, P.Mueller, D.Ray, K.S.Sharma, A.A.Valverde, G.L.Wilson, X.L.Yan Determination of the 8B neutrino energy spectrum using trapped ions RADIOACTIVITY 8B(β+) [from 3He(6Li, n)8B, E not given]; measured decay products, Eα, Iα, αα-coin, 8Be recoil energy; deduced 8Be final-state distribution (FSD) from 8B decay, neutrino energy spectra. Comparison to other experimental data. β-decay Paul trap (BPT) surrounded by double-sided silicon strip detectors (DSSDs) at ATLAS facility (ANL).
doi: 10.1103/PhysRevC.107.L032801
2023MU01 Phys.Rev. C 107, L011602 (2023) D.Mucher, A.Spyrou, M.Wiedeking, M.Guttormsen, A.C.Larsen, F.Zeiser, C.Harris, A.L.Richard, M.K.Smith, A.Gorgen, S.N.Liddick, S.Siem, H.C.Berg, J.A.Clark, P.A.DeYoung, A.C.Dombos, B.Greaves, L.Hicks, R.Kelmar, S.Lyons, J.Owens-Fryar, A.Palmisano, D.Santiago-Gonzalez, G.Savard, W.W.von Seeger Extracting model-independent nuclear level densities away from stability RADIOACTIVITY 76Ga(β-); analyzed experimental total absorption spectrum (TAS) data in 2016Do05: Phys. Rev. C 93, 064317. 76Ge; deduced γ-strength function (γSF), nuclear level density (NLD). Comparison to other experimental data and to γ-strength function in 74Ge. 88Br(β-); measured Eγ, Iγ, TAS spectrum using Summing NaI (SuN) detector at Argonne CARIBU facility. 88Kr; deduced γ-strength function (γSF), nuclear level density (NLD). Compared with other experimental data γ-strength functions for 86Kr and 87Kr. NLD results are compared to calculations done with 3 semi-microscopic models - HFB+Skyrme, HFB+Skyrme combinatorial, temperature-dependent HFB+Gogny. Combination of "shape" method with β-Oslo technique which allows extraction of NLD in model independent way. NUCLEAR REACTIONS 87Kr(n, γ), E<1 MeV; calculated σ(E) using newly obtained NLD. Values are given relative to calculated ones using current RIPL-3 recommended level densities.
doi: 10.1103/PhysRevC.107.L011602
2023SE09 Phys.Rev. C 107, L061302 (2023) D.Seweryniak, T.Huang, K.Auranen, A.D.Ayangeakaa, B.B.Back, M.P.Carpenter, P.Chowdhury, R.M.Clark, P.A.Copp, Z.Favier, K.Hauschild, X.-T.He, T.L.Khoo, F.G.Kondev, A.Korichi, T.Lauritsen, J.Li, C.Morse, D.H.Potterveld, G.Savard, S.Stolze, J.Wu, J.Zhang, Y.-F.Xu Nuclear rotation at the fission limit in 254Rf NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=244 MeV from the ATLAS-ANL facility; measured reaction products, prompt γ rays, Eγ, Iγ, Rf Kα and Kβ x-rays, (254Rf implants)γ-coin, (implants)(fission events)γ-coin using the Gammasphere array and the Argonne gas-filled analyzer (AGFA). 254Rf; deduced levels, J, π, ground-state rotational band up to 14+, kinematic moment of inertia. Systematics of ground-state bands in 250Fm, 252,254No, and 254,256Rf, and comparison with particle-number conserving cranked shell model (PNC-CSM) calculations.
doi: 10.1103/PhysRevC.107.L061302
2022BU16 Phys.Rev.Lett. 128, 202502 (2022) M.T.Burkey, G.Savard, A.T.Gallant, N.D.Scielzo, J.A.Clark, T.Y.Hirsh, L.Varriano, G.H.Sargsyan, K.D.Launey, M.Brodeur, D.P.Burdette, E.Heckmaier, K.Joerres, J.W.Klimes, K.Kolos, A.Laminack, K.G.Leach, A.F.Levand, B.Longfellow, B.Maass, S.T.Marley, G.E.Morgan, P.Mueller, R.Orford, S.W.Padgett, A.Perez Galvan, J.R.Pierce, D.Ray, R.Segel, K.Siegl, K.S.Sharma, B.S.Wang Improved Limit on Tensor Currents in the Weak Interaction from 8Li β Decay RADIOACTIVITY 8Li(β-); measured decay products, Eβ, Iβ; deduced tensor currents in the low-energy regime by examining the β-ν correlation of trapped 8Li ions with the Beta-decay Paul Trap. Comparison with the standard model prediction.
doi: 10.1103/PhysRevLett.128.202502
2022GA27 Phys.Rev. C 106, 045503 (2022) N.D.Gamage, R.Sandler, F.Buchinger, J.A.Clark, D.Ray, R.Orford, W.S.Porter, M.Redshaw, G.Savard, K.S.Sharma, A.A.Valverde Precise Q-value measurements of 112, 113Ag and 115Cd with the Canadian Penning trap for evaluation of potential ultralow Q-value β decays RADIOACTIVITY 112,113Ag, 115Cd(β-); measured cyclotron frequency ratios of singly charged parent and daughter ions; deduced Q values of g.s to g.s decay, log ft, partial T1/2. On the basis of measured values and existing level schemes evaluated ultralow Q-values for potential decay branches to the excited states. Comparison to AME2020 evaluation. Canadian Penning trap mass spectrometer coupled to the californium rare isotope breeder upgrade (CARIBU) facility at ANL. Comparison to AME2020 evaluation. ATOMIC MASSES 112,113Ag, 115Cd; measured cyclotron frequency; deduced mass excesses. Comparison to AME2020 evaluation.
doi: 10.1103/PhysRevC.106.045503
2022GR08 Phys.Lett. B 834, 137446 (2022) T.J.Gray, J.M.Allmond, R.V.F.Janssens, W.Korten, A.E.Stuchbery, J.L.Wood, A.D.Ayangeakaa, S.Bottoni, B.M.Bucher, C.M.Campbell, M.P.Carpenter, H.L.Crawford, H.David, D.T.Doherty, P.Fallon, M.T.Febbraro, A.Galindo-Uribarri, C.J.Gross, M.Komorowska, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, P.Napiorkowsi, E.Padilla-Rodal, S.D.Pain, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, C.Y.Wu, C.-H.Yu, S.Zhu E2 rotational invariants of 01+ and 21+ states for 106Cd: The emergence of collective rotation NUCLEAR REACTIONS 208Pb(106Cd, 106Cd'), E=3.849 MeV/nucleon; measured Doppler-corrected γ-ray spectra, Eγ, Iγ, (106Cd)γ-coin using GRETINA array with 32 HPGe crystals for γ detection, and CHICO array for particles at the ATLAS-ANL facility. 106Cd; deduced levels, J, π, E2 and E3 matrix elements using GOSIA analysis code, E2 transition strengths, spectroscopic quadrupole moments, electric quadrupole invariants (Kumar-Cline sum rules) Q3cos(3δ), axial-symmetry parameter δ. Comparison with beyond mean-field (BMF) and shell-model calculations, and with previous experimental data.
doi: 10.1016/j.physletb.2022.137446
2022HA01 Phys.Rev. C 105, 014301 (2022) D.J.Hartley, F.G.Kondev, M.P.Carpenter, R.V.F.Janssens, M.A.Riley, K.Villafana, K.Auranen, A.D.Ayangeakaa, J.S.Baron, A.J.Boston, J.A.Clark, J.P.Greene, J.Heery, C.R.Hoffman, T.Lauritsen, J.Li, D.Little, E.S.Paul, G.Savard, D.Seweryniak, J.Simpson, S.Stolze, G.L.Wilson, J.Wu, S.Zhu νi13/2 structures in 155Sm and 159Gd: Supporting evidence of a Z=60 deformed subshell gap NUCLEAR REACTIONS 154Sm(160Gd, n), E=1000 MeV from the ATLAS facility of the Argonne National Laboratory. Measured Eγ, Iγ, γγ-coin using Gammasphere array with 73 Compton-suppressed HPGe detectors. 155Sm, 159Gd; deduced high-spin levels, J, π, νi13/2 bands, with the two signature partners, alignments and signature splitting. Discussed systematics of νi13/2 structures in N=91, 93, 95, and 97 isotopes: 153,155,157Sm, 155,157,159Gd, 157,159,161Dy, 151Ce, 153,155Nd, 161,163Er, 163,165Yb.
doi: 10.1103/PhysRevC.105.014301
2022HU09 Phys.Lett. B 833, 137345 (2022) H.Huang, W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, Z.H.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, J.G.Li, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Yu, F.F.Zeng, X.H.Zhou First observation of the decay of the 13/2+ isomer in 183Hg and B(M2) systematics of neutron transitions across the nuclear chart RADIOACTIVITY 183Hg(α) [from 187Pb α decay]; 187mPb(α) [from 142Nd(50Cr, 3n2pγ), E=255 MeV, followed by separation of fragments using Argonne gas-filled analyzer (AGFA) at the ATLAS-ANL facility]; measured reaction products, evaporation residues (EVRs), Eα, Iα, (EVR)α-correlations, αγ(t), Eγ, Iγ, x rays, T1/2 using double-sided silicon strip detector (DSSD), and four HPGe clover detectors. 183,183mHg; deduced levels, isomer, J, π, T1/2 of g.s. and isomer, α branching ratio, K-conversion coefficient, multipolarity, B(M2), Nilsson configurations. 187mPb; deduced T1/2. Systematics of decay schemes of 13/2+ isomers in 175,177,179,181,183,185Hg. Systematics of B(M2) values for 7/2-, 9/2+, 11/2- and 13/2+ isomers in even-Z, odd-N nuclei: 25Mg, 33Si, 33,35S, 37Ar, 39Ca, 59Cr, 61Fe, 63,67Ni, 63,65,67Zn, 67,69,71Ge, 69,71Se, 97,99Mo, 99,101,103Ru, 103,105Pd, 107,109Cd, 109,111,113,115Sn, 153Yb, 161Hf, 163W, 163Os, 171,189,191Pt, 181,183,201,203,205Hg, 209Pb, 205,207,211Po, 207,209,213Rn, 209,211Ra, 211,213Th.
doi: 10.1016/j.physletb.2022.137345
2022HU21 Phys.Rev. C 106, L061301 (2022) T.Huang, D.Seweryniak, B.B.Back, P.C.Bender, M.P.Carpenter, P.Chowdhury, R.M.Clark, P.A.Copp, X.-T.He, R.D.Herzberg, D.E.M.Hoff, H.Jayatissa, T.L.Khoo, F.G.Kondev, G.Morgan, C.Morse, A.Korichi, T.Lauritsen, C.Muller-Gatermann, D.H.Potterveld, W.Reviol, A.M.Rogers, S.Saha, G.Savard, K.Sharma, S.Stolze, S.Waniganeththi, G.L.Wilson, J.Wu, Y.-F.Xu, S.Zhu Discovery of the new isotope 251Lr: Impact of the hexacontetrapole deformation on single-proton orbital energies near the Z=100 deformed shell gap NUCLEAR REACTIONS 203Tl(50Ti, 2n)251Lr, 205Tl(50Ti, 2n)253Lr, E=237 MeV; measured reaction products, α-decay of the reaction products, Eα, Iα. 251,253Lr; deduced levels J, π, α-decay width. 251,253,255Lr; calculated single-proton levels near the Fermi surface. Calculations with particle-number conserving cranked shell model. Beam delivered to target by ATLAS linear accelerator and recoiling reaction products were separated in the Argonne Gas-Filled Analyzer (AGFA) at (ANL). Decay of the implanted reaction products was measured in pixelized double-sided Si strip detector (DSSD). RADIOACTIVITY 251,253Lr(α)[from 203,205Tl(50Ti, 2n), E=237 MeV]; measured Eα, Iα; deduced T1/2, Q-value, α-decay branchings and widths. Comparison to other experimental data. and predictions of theoretical models.
doi: 10.1103/PhysRevC.106.L061301
2022NE12 Phys.Rev. C 106, 044320 (2022) S.Neupane, J.Heideman, R.Grzywacz, M.Cooper, J.Hooker, K.L.Jones, T.T.King, N.Kitamura, M.Madurga, K.Siegl, C.R.Thornsberry, P.Wagenknecht, Z.Y.Xu, L.H.Heilbronn, M.M.Rajabali, A.Chester, A.Richard, Y.Alberty-Jones, J.Derkin, T.N.Massey, D.Soltesz, N.T.Brewer, B.C.Rasco, K.P.Rykaczewski, M.Wolinska-Cichocka, J.Clark, D.Santiago-Gonzalez, G.Savard Demonstration of the neutron tracking capability of NEXT array in time-of-flight measurements to improve energy resolution RADIOACTIVITY 17N, 104Nb(β-n); measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Measurement of 17N decay at National Superconducting Cyclotron Laboratory (NSCL), 106Nb decay Argonne National Laboratory (ANL, CARIBU Facility). NUCLEAR REACTIONS 27Al(d, n), E=7.44 MeV; measured neutron time-of-flight (ToF), En, In. Data on the commissioning of the Neutron dEtector with Xn Tracking (NEXT) array consisting of 8x4 optically separated segments. Deuteron beam from Ohio University Edwards Accelerator Laboratory (EAL).
doi: 10.1103/PhysRevC.106.044320
2022OR02 Phys.Rev. C 105, L052802 (2022) R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, D.Ray, G.Savard, R.Surman, F.Buchinger, D.P.Burdette, M.T.Burkey, D.A.Gorelov, J.W.Klimes, W.S.Porter, K.S.Sharma, A.A.Valverde, L.Varriano, X.L.Yan Searching for the origin of the rare-earth peak with precision mass measurements across Ce-Eu isotopic chains ATOMIC MASSES 152,153,154Ce, 152,153,154,156,157Pr, 157Nd, 161Pm, 163,165Eu; measured cyclotron frequency; deduced mass excess, solar abundances of rare-earth elements. Comparison to AME2016 and AME2020 evaluations, previous experimental data and calculations using Markov chain Monte Carlo (MCMC) technique. Canadian Penning Trap (CPT) with low-energy ion beams from the Californium Rare Isotope Breeder Upgrade(CARIBU) facility at Argonne National Laboratory. Systematics of CPT mass-measurements for Ce, Pr, Nd, Pm, Sm, Eu (Z=58-63).
doi: 10.1103/PhysRevC.105.L052802
2022RU06 Phys.Rev. C 106, 034318 (2022) J.Rufino, Jr., E.A.McCutchan, S.Zhu, A.A.Sonzogni, M.Alcorta, P.F.Bertone, M.P.Carpenter, J.Clark, C.R.Hoffman, R.V.F.Janssens, F.G.Kondev, T.Lauritsen, C.J.Lister, R.Pardo, A.Rogers, G.Savard, D.Seweryniak, R.Vondrasek β decay of 141Ba RADIOACTIVITY 141Ba(β-)[from β- decay of 141Cs beam produced as fission fragment in 252Cf(SF) at the CARIBU-ANL facility]; measured Eγ, Iγ, γγ-coin, γγ(θ) using the GAMMASPHERE array with 99 Compton-suppressed HPGe detectors. 141La; deduced levels, J, π, multipolarities, multipole mixing ratios, β feedings, logft. Comparison with previous experimental results, including total absorption gamma-spectra (TAGS) data, and with evaluated data in the ENSDF database. Relevance to decay heat in reactors, and reactor antineutrino spectrum. Decay-scheme figure is given in the Supplemental material of the paper.
doi: 10.1103/PhysRevC.106.034318
2022SA23 Phys.Rev.Lett. 128, 202503 (2022) G.H.Sargsyan, K.D.Launey, M.T.Burkey, A.T.Gallant, N.D.Scielzo, G.Savard, A.Mercenne, T.Dytrych, D.Langr, L.Varriano, B.Longfellow, T.Y.Hirsh, J.P.Draayer Impact of Clustering on the 8Li β Decay and Recoil Form Factors RADIOACTIVITY 8Li(β-), 8Be(2α); analyzed available data; calculated 8Be low-lying 0+ states, unprecedented constraints on recoil corrections, strong correlation between them and the 8Li ground state quadrupole moment using large-scale ab initio calculations.
doi: 10.1103/PhysRevLett.128.202503
2022ZH22 Phys.Lett. B 829, 137129 (2022) W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, D.T.Doherty, A.E.Barzakh, P.Van Duppen, J.G.Cubiss, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, B.Ding, Z.Favier, F.Giacoppo, T.H.Huang, X.H.Yu, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, M.Al Monthery, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, Q.B.Zeng, X.H.Zhou First observation of a shape isomer and a low-lying strongly-coupled prolate band in neutron-deficient semi-magic 187Pb NUCLEAR REACTIONS 142Nd(50Cr, 3n2p)187Pb, E=255 MeV beam from ATLAS-ANL facility, followed by separation of evaporation residues (EVRs) using Argonne Gas-Filled Analyzer; measured Eα, Eγ, Iγ, x rays, αγ-coin, γγ-coin, T1/2 of a new low-energy microsec-isomer by αγ(t) using Gammasphere for γ detection and double-sided silicon strip detector (DSSD) for EVRs and α particles. Recoil-decay tagging (RDT) and isomer-decay tagging (IDT) methods. 187Pb; deduced high-spin levels, J, π, isomer, K-conversion coefficient, multipolarity, bands, B(E2), B(M1)/B(E2), triple-shape coexistence at low energy. Comparison with band structure in 185Hg. Systematics of aligned angular momenta plots and experimental Routhians for bands in 183,185Hg, 187Pb. 184Hg, 186Pb, 187Tl; observed γ rays. 186,187m,188Pb; observed α-decay peaks.
doi: 10.1016/j.physletb.2022.137129
2022ZH46 Phys.Rev. C 106, 024317 (2022) W.Q.Zhang, A.N.Andreyev, Z.Liu, D.Seweryniak, H.Huang, Z.H.Li, J.G.Li, C.Y.Guo, A.E.Barzakh, P.Van Duppen, M.Al Monthery, B.Andel, S.Antalic, M.Block, A.Bronis, M.P.Carpenter, P.Copp, J.G.Cubiss, B.Ding, D.T.Doherty, Z.Favier, F.Giacoppo, T.H.Huang, B.Kindler, F.G.Kondev, T.Lauritsen, G.S.Li, B.Lommel, H.Y.Lu, P.Mosat, Y.F.Niu, C.Raison, W.Reviol, G.Savard, S.Stolze, G.L.Wilson, H.Y.Wu, Z.H.Wang, F.R.Xu, X.H.Yu, Q.B.Zeng, X.H.Zhou Identification of excited states in 188Bi and 188Po NUCLEAR REACTIONS 142Nd(50Cr, 3np)188Bi, (50Cr, 4n)188Po, E=255 MeV; measured evaporation residues (EVRs), Eα, Eγ, Iγ, x rays, (EVR)γ-coin, αγ-coin, γγ-coin, using four clover HPGe detectors, Gammasphere array with 64 Compton-suppressed HPGe detectors, and DSSD and DSSD+Sibox at the ATLAS-ANL accelerator facility. 186,187,187m,188Pb, 189,189mBi; deduced recoil-decay tagging (RDT) γ-ray yields. 188Bi; deduced levels, J, π, isomer, T1/2 and decay modes of isomer, K-conversion coefficients, multipolarities, configurations. 188Po; deduced energy of the first 2+ level. 186Pb; deduced levels, J, π. 183,184,186Hg, 186,187,187m,188Pb, 188,189,189mBi; observed Eα. Systematics of 9/2-, 1/2+, 7/2- and 13/2+ level energies in 185,187,189,191,193,195Bi, and those of first 2+, 4+, 6+ and 8+, second 0+, 2+ and 4+ in 188,190,192,194,196,198,200,202,204,206,208,210Po.
doi: 10.1103/PhysRevC.106.024317
2021DO08 Phys.Rev.Lett. 127, 202501 (2021) D.T.Doherty, A.N.Andreyev, D.Seweryniak, P.J.Woods, M.P.Carpenter, K.Auranen, A.D.Ayangeakaa, B.B.Back, S.Bottoni, L.Canete, J.G.Cubiss, J.Harker, T.Haylett, T.Huang, R.V.F.Janssens, D.G.Jenkins, F.G.Kondev, T.Lauritsen, C.Lederer-Woods, J.Li, C.Muller-Gatermann, D.Potterveld, W.Reviol, G.Savard, S.Stolze, S.Zhu Solving the Puzzles of the Decay of the Heaviest Known Proton-Emitting Nucleus 185Bi RADIOACTIVITY 185Bi(p), (α), (IT) [from 95Mo(93Nb, 3n), E=424 MeV]; measured decay products, Eγ, Iγ, Eα, Iα, Ep, Ip, α-γ- and π-γ-coin.; deduced γ-ray energies, decay levels schemes, T1/2, high-spin states, reassignment of the ground-state lifetime, proton-decay spectroscopic factor. Fragment Mass Analyzer and Argonne Gas-Filled Analyzer at Argonne National Laboratory's ATLAS facility.
doi: 10.1103/PhysRevLett.127.202501
2021HA14 Phys.Rev. C 103, 034322 (2021) D.J.Hartley, K.Villafana, F.G.Kondev, M.A.Riley, R.V.F.Janssens, K.Auranen, A.D.Ayangeakaa, J.S.Baron, A.J.Boston, M.P.Carpenter, J.A.Clark, J.P.Greene, J.Heery, C.R.Hoffman, P.Jackson, T.Lauritsen, J.Li, D.Little, E.S.Paul, G.Savard, D.Seweryniak, J.Simpson, S.Stolze, G.L.Wilson, J.Wu, S.Zhu, S.Frauendorf Possible quenching of static neutron pairing near the N=98 deformed shell gap: Rotational structures in 160, 161Gd NUCLEAR REACTIONS 154Sm, 164Dy(160Gd, X)160Gd/161Gd, E=1000 MeV; measured Eγ, Iγ, γγ-coin using the Gammasphere array with 73 detectors at ATLAS-ANL facility. 160,161Gd; deduced high-spin levels, J, π, rotational bands, branching ratios, B(M1)/B(E2), Nilsson configurations, alignments, neutron pairing strength. Comparison with structure of ν5/2[523] band in N=97 isotone 159Sm.
doi: 10.1103/PhysRevC.103.034322
2021KE04 Phys.Rev. C 103, 035805 (2021) A.R.L.Kennington, G.Lotay, D.T.Doherty, D.Seweryniak, C.Andreoiu, K.Auranen, M.P.Carpenter, W.N.Catford, C.M.Deibel, K.Hadynska-Klek, S.Hallam, D.Hoff, T.Huang, R.V.F.Janssens, S.Jazrawi, J.Jose, F.G.Kondev, T.Lauritsen, J.Li, A.M.Rogers, J.Saiz, G.Savard, S.Stolze, G.L.Wilson, S.Zhu Level structure of the Tz = -1 nucleus 34Ar and its relevance for nucleosynthesis in ONe novae NUCLEAR REACTIONS 12C(24Mg, 2n)34Ar, (24Mg, 2p)34S, E=95 MeV; measured reaction products, Eγ, Iγ, (34Ar)γ- and (34S)γ-coin, γγ-coin, γ(θ) using GRETINA array for detection of high-energy γ rays, and Fragment mass analyzer (FMA) for recoils at ATLAS-ANL facility. 34Ar, 34S; deduced levels, proton-unbound levels of astrophysical significance, J, π, mirror symmetry, 33S/32S and 34S/32S ratios to search for nova presolar grains, and compared with previous experimental data. 34Cl(p, γ), T=0.1-0.8 GK; calculated stellar reaction rate. Comparison of levels structures in 34Ar and 34S with data from the ENSDF database, and with shell-model calculations using USDA Hamiltonian, within the sd shell-model space for even-parity states, and using WBP Hamiltonian, within the sd-pf space for odd-parity levels.
doi: 10.1103/PhysRevC.103.035805
2021KO09 Nucl.Instrum.Methods Phys.Res. A1000, 165240 (2021) K.Kolos, A.M.Hennessy, N.D.Scielzo, V.E.Iacob, J.C.Hardy, M.A.Stoyer, A.P.Tonchev, W.-J.Ong, M.T.Burkey, B.Champine, J.A.Clark, P.Copp, A.Gallant, E.B.Norman, R.Orford, H.I.Park, J.Rohrer, D.Santiago-Gonzalez, G.Savard, A.J.Shaka, B.S.Wang, S.Zhu New approach to precisely measure γ-ray intensities for long-lived fission products, with results for the decay of 95Zr RADIOACTIVITY 95Zr, 95Nb, 95Sr, 95Y(β-); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced γ-ray energies and intensities, β-branching ratios. Comparison with a Monte Carlo decay code simulations. CARIBU facility, the reactor facility at TAMU.
doi: 10.1016/j.nima.2021.165240
2021MI07 Phys.Rev. C 103, 024323 (2021) A.J.Mitchell, R.Orford, G.J.Lane, C.J.Lister, P.Copp, J.A.Clark, G.Savard, J.M.Allmond, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, P.Chowdhury, D.A.Gorelov, R.V.F.Janssens, F.G.Kondev, U.Patel, D.Seweryniak, M.L.Smith, Y.Y.Zhong, S.Zhu Ground-state and decay properties of neutron-rich 106Nb RADIOACTIVITY 106Nb(β-)[from 252Cf(SF), CARIBU radioactive-ion-beam facility at ANL, followed by mass separation and measurement using Multi-Reflection Time-of-Flight (MR-TOF) mass separator and Canadian Penning Trap (CPT)]; measured CPT spectra, Eγ, Iγ, βγγ-coin, half-life of 106Nb decay using five HPGe clover detectors, and a plastic scintillator at the X-Array and SATURN decay-spectroscopy station. 106Mo; deduced levels, J, π, apparent β feedings, range of logft values, configurations. 106Nb; discussed spin, parity and configurations of the ground state. Comparison with earlier experimental results. ATOMIC MASSES 106Nb; measured cyclotron frequency using the Phase-Imaging Ion-Cyclotron-Resonance (PI-ICR) technique, CPT spectra; deduced mass excess. Comparison with previous measurement, and with AME 2016 evaluation.
doi: 10.1103/PhysRevC.103.024323
2021WI11 Nucl.Instrum.Methods Phys.Res. A1017, 165806 (2021) G.L.Wilson, T.S.Nagel, S.T.Marley, N.D.Scielzo, A.Aprahamian, J.A.Clark, A.Czeszumska, G.Savard, K.Siegl, B.S.Wang Reconstruction of β-delayed neutron energy spectra from recoil-ion spectroscopy of trapped ions RADIOACTIVITY 137I, 99Y, 135Sb(β-n); calculated neutron-energy spectrum and the probability of β-delayed neutron emission.
doi: 10.1016/j.nima.2021.165806
2020CZ01 Phys.Rev. C 101, 024312 (2020) A.Czeszumska, N.D.Scielzo, S.A.Caldwell, J.A.Clark, G.Savard, B.S.Wang, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed neutron emission studies of 137,138I and 144,145Cs performed with trapped ions RADIOACTIVITY 137,138I, 144,145Cs(β-), (β-n)[252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with previous experimental results.
doi: 10.1103/PhysRevC.101.024312
2020HA13 Phys.Rev. C 101, 044301 (2020) D.J.Hartley, F.G.Kondev, G.Savard, J.A.Clark, A.D.Ayangeakaa, S.Bottoni, M.P.Carpenter, P.Copp, K.Hicks, C.R.Hoffman, R.V.F.Janssens, T.Lauritsen, R.Orford, J.Sethi, S.Zhu High-K, two-quasiparticle states in 160Gd RADIOACTIVITY 160,160mEu(β-)[from 252Cf(SF), isobarically separated A=160 nuclei using the CARIBU source at Argonne National Laboratory]; measured β-, Eγ, Iγ, βγ- and βγγ-coin using four Ge clover detectors and four plastic scintillators. 160Gd; deduced levels, J, π, Kπ, bands, Nilsson configurations, total conversion coefficients and multipolarities of the 98.8- and 102.7-keV transitions, Iβ and logft. Comparison with previous experimental results, and with multiquasiparticle calculations using Woods-Saxon potential, and Lipkin-Nogami prescription for pairing.
doi: 10.1103/PhysRevC.101.044301
2020KE03 Phys.Rev.Lett. 124, 252702 (2020) A.R.L.Kennington, G.Lotay, D.T.Doherty, D.Seweryniak, C.Andreoiu, K.Auranen, M.P.Carpenter, W.N.Catford, C.M.Deibel, K.Hadynska-Klek, S.Hallam, D.E.M.Hoff, T.Huang, R.V.F.Janssens, S.Jazrawi, J.Jose, F.G.Kondev, T.Lauritsen, J.Li, A.M.Rogers, J.Saiz, G.Savard, S.Stolze, G.L.Wilson, S.Zhu Search for Nova Presolar Grains: γ-Ray Spectroscopy of 34Ar and its Relevance for the Astrophysical 33Cl(p, γ) Reaction NUCLEAR REACTIONS 12C(24Mg, X)34Ar, E=95 MeV; measured reaction products, Eγ, Iγ. 34Cl, 34S; deduced γ-ray energies, intensities, J, π, contribution of individual resonances to the stellar reaction rate.
doi: 10.1103/PhysRevLett.124.252702
2020MO36 Phys.Rev. C 102, 054328 (2020) C.Morse, A.O.Macchiavelli, H.L.Crawford, S.Zhu, C.Y.Wu, Y.Y.Wang, J.Meng, B.B.Back, B.Bucher, C.M.Campbell, M.P.Carpenter, J.Chen, R.M.Clark, M.Cromaz, P.Fallon, J.Henderson, R.V.F.Janssens, M.D.Jones, T.L.Khoo, F.G.Kondev, T.Lauritsen, I.Y.Lee, J.Li, D.Potterveld, C.Santamaria, G.Savard, D.Seweryniak, S.Stolze, D.Weisshaar Quadrupole and octupole collectivity in 143Ba NUCLEAR REACTIONS 208Pb(143Ba, 143Ba'), E=627.8 MeV, [143Ba beam from 252Cf SF at the CARIBU facility at ATLAS-ANL]; measured reaction products, Eγ, Iγ, scattered particles, (particle)γ-coin, and half-life of the first 9/2- level from (particle)γ-coin using GRETINA array of 11 Quad detector modules, each with four 36-fold segmented HPGe crystals for γ detection and CHICO2 array of 20 Parallel Plate Avalanche Counters (PPACs). 143Ba; deduced levels, J, π, Coulomb excitation γ-ray yields, E2 matrix elements using GOSIA least-squares analysis, B(E2), upper limit for E3 matrix element and B(E3), alignment plots, doubly decoupled structure. Comparison with Reflection-Asymmetric Triaxial Particle Rotor Model (RAT-PRM) calculations.
doi: 10.1103/PhysRevC.102.054328
2020OR02 Nucl.Instrum.Methods Phys.Res. B463, 491 (2020) R.Orford, J.A.Clark, G.Savard, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, J.W.Klimes, G.E.Morgan, A.Nystrom, W.S.Porter, D.Ray, K.S.Sharma Improving the measurement sensitivity of the Canadian Penning Trap mass spectrometer through PI-ICR ATOMIC MASSES 142I, 146La, 163Gd; measured frequencies; deduced mass excesses.
doi: 10.1016/j.nimb.2019.04.016
2020OR03 Phys.Rev. C 102, 011303 (2020) R.Orford, F.G.Kondev, G.Savard, J.A.Clark, W.S.Porter, D.Ray, F.Buchinger, M.T.Burkey, D.A.Gorelov, D.J.Hartley, J.W.Klimes, K.S.Sharma, A.A.Valverde, X.L.Yan Spin-trap isomers in deformed, odd-odd nuclei in the light rare-earth region near N=98 ATOMIC MASSES 156,156m,158,160,160mPm, 158,160,160m,162,162m,164Eu, 162,162m,164,164m,166Tb; measured cyclotron frequency using the Canadian Penning Trap mass spectrometer at the CARIBU-ANL facility; deduced mass excesses, isomer excitation energies, Kπ, Nilsson configurations. Radioactive nuclei were produced in spontaneous fission of 252Cf source, filtered by A/Q, and purified by a multireflection time-of-flight mass separator (MR-TOF). Comparison with multiquasiparticle blocking calculations.
doi: 10.1103/PhysRevC.102.011303
2020SA02 Nucl.Instrum.Methods Phys.Res. B463, 258 (2020) G.Savard, M.Brodeur, J.A.Clark, R.A.Knaack, A.A.Valverde The N=126 factory: A new facility to produce very heavy neutron-rich isotopes
doi: 10.1016/j.nimb.2019.05.024
2020WA04 Phys.Rev. C 101, 025806 (2020) B.S.Wang, S.A.Caldwell, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, M.T.Burkey, C.J.Chiara, J.Harker, A.F.Levand, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, A.Nystrom, R.Orford, S.W.Padgett, A.Perez Galvan, K.S.Sharma, K.Siegl, S.Y.Strauss β-delayed-neutron studies of 135,136Sb and 140I performed with trapped ions RADIOACTIVITY 135,136Sb, 140I(β-), (β-n) [from 252Cf(SF) CARIBU facility and mass scans of radioactive beams with the Canadian Penning Trap (CPT) mass spectrometer at Argonne National Laboratory]; measured recoil ions, Eβ, Eγ, (recoil ions)β- and βγ-coin using Beta-decay Paul Trap with two plastic-scintillator ΔE-E telescopes, two MCP detectors, and two HPGe detectors; deduced beta-delayed neutron spectra, beta-delayed neutron-emission probabilities (%β-n or Pn). Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.101.025806
2019BU23 Hyperfine Interactions 240, 36 (2019) M.T.Burkey, G.Savard, A.Gallant, N.D.Scielzo, J.A.Clark, T.Y.Hirsh, D.P.Burdette, E.Heckmaier, J.Klimes, K.Kolos, S.T.Marley, G.E.Morgan, R.Orford, S.Padgett, J.Pierce, R.Segel, Ku.S.Sharma, L.Varriano, B.S.Wang Precision β - ν correlation measurements with the Beta-decay Paul Trap RADIOACTIVITY 8Li(β-); measured decay products, Eβ, Iβ; deduced correlations. Comparison with simulations.
doi: 10.1007/s10751-019-1580-0
2018GA34 Phys.Rev.Lett. 121, 222501 (2018) J.M.Gates, G.K.Pang, J.L.Pore, K.E.Gregorich, J.T.Kwarsick, G.Savard, N.E.Esker, M.Kireeff Covo, M.J.Mogannam, J.C.Batchelder, D.L.Bleuel, R.M.Clark, H.L.Crawford, P.Fallon, K.K.Hubbard, A.M.Hurst, I.T.Kolaja, A.O.Macchiavelli, C.Morse, R.Orford, L.Phair, M.A.Stoyer First Direct Measurements of Superheavy-Element Mass Numbers RADIOACTIVITY 288Mc, 280Rg, 276Mt, 272Bh(α), 284Nh, 272Bh(α) [from 243Am(48Ca, X)288Mc, E=262 MeV]; measured decay products, Eα, Iα; deduced two α-decay events, first direct measurements of the mass numbers of superheavy elements.
doi: 10.1103/PhysRevLett.121.222501
2018HA19 Phys.Rev.Lett. 120, 182502 (2018) D.J.Hartley, F.G.Kondev, R.Orford, J.A.Clark, G.Savard, A.D.Ayangeakaa, S.Bottoni, F.Buchinger, M.T.Burkey, M.P.Carpenter, P.Copp, D.A.Gorelov, K.Hicks, C.R.Hoffman, C.Hu, R.V.F.Janssens, J.W.Klimes, T.Lauritsen, J.Sethi, D.Seweryniak, K.S.Sharma, H.Zhang, S.Zhu, Y.Zhu Masses and β-Decay Spectroscopy of Neutron-Rich Odd-Odd 160, 162Eu Nuclei: Evidence for a Subshell Gap with Large Deformation at N=98 RADIOACTIVITY 160,162Eu(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies, partial level scheme, T1/2. ATOMIC MASSES 160,162Eu; measured frequency ratios; deduced mass excess (ME) for the ground and isomeric states.
doi: 10.1103/PhysRevLett.120.182502
2018OR02 Phys.Rev.Lett. 120, 262702 (2018) R.Orford, N.Vassh, J.A.Clark, G.C.McLaughlin, M.R.Mumpower, G.Savard, R.Surman, A.Aprahamian, F.Buchinger, M.T.Burkey, D.A.Gorelov, T.Y.Hirsh, J.W.Klimes, G.E.Morgan, A.Nystrom, K.S.Sharma Precision Mass Measurements of Neutron-Rich Neodymium and Samarium Isotopes and Their Role in Understanding Rare-Earth Peak Formation ATOMIC MASSES 154,156,158,159,160Nd, 162,163,164Sm; measured cyclotron frequency ratios; deduced mass excess values. Comparison with AME16 evaluation.
doi: 10.1103/PhysRevLett.120.262702
2018SI07 Phys.Rev. C 97, 035504 (2018) K.Siegl, N.D.Scielzo, A.Czeszumska, J.A.Clark, G.Savard, A.Aprahamian, S.A.Caldwell, B.S.Alan, M.T.Burkey, C.J.Chiara, J.P.Greene, J.Harker, S.T.Marley, G.E.Morgan, J.M.Munson, E.B.Norman, R.Orford, S.Padgett, A.Perez Galvan, K.S.Sharma, S.Y.Strauss Recoil ions from the β decay of 134Sb confined in a Paul trap RADIOACTIVITY 134,134mSb(β-)[from 252Cf SF decay at CARIBU-ANL facility]; measured β, γ, singly-charged recoil ions, βγ-coin, β(ce)-coin, (recoils)β-coin, time-of-flight spectra for β(ion)-coin using Beta-decay Paul Trap (BPT); deduced charge-state distribution of the recoiling ions, mean electron loss, β-ν correlation coefficient (aβν), β-decay simulations, significant β-decay strength (17.2%) to high-lying excited states in 134Te to obtain an angular correlation consistent with expected value of unity for 0- to 0+ β transition. Comparison of the observed β-decay spectrum with that from the decay scheme in the ENSDF database or Nuclear Data Sheets for 134Sb g.s. decay. Comparison of mean atomic electron loss in 134Sb decay with that from the decays of noble gases 6He, 23Ne, 35Ar, 41Ar, 85Kr and 133Xe. 134,134mSb; half-lives used from literature and those determined at CARIBU-ANL facility (reference 23 in this work).
doi: 10.1103/PhysRevC.97.035504
2018SI28 Phys.Rev. C 98, 054307 (2018) K.Siegl, K.Kolos, N.D.Scielzo, A.Aprahamian, G.Savard, M.T.Burkey, M.P.Carpenter, P.Chowdhury, J.A.Clark, P.Copp, G.J.Lane, C.J.Lister, S.T.Marley, E.A.McCutchan, A.J.Mitchell, J.Rohrer, M.L.Smith, S.Zhu Β-decay half-lives of 134, 134mSb and their isomeric yield ratio produced by the spontaneous fission of 252Cf RADIOACTIVITY 134m,134Sb(β-)[from 252Cf(SF), mass separated high-intensity beams]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, half-lives of decays of 134Sb and 134mSb, and isomeric yield ratios from 252Cf(SF) using the Scintillator And Tape Using Radioactive Nuclei (SATURN) system for β- detection, and X-Array for γ detection at the CARIBU facility of ANL. Systematics of isomeric yield ratios of 128,130,134Sb, 131,133Te, 132,134,136I, 135Xe, 138Cs from 252Cf(SF). Comparison with previous experimental values.
doi: 10.1103/PhysRevC.98.054307
2018WI09 Phys.Rev. C 98, 041302 (2018) W.Witt, V.Werner, N.Pietralla, M.Albers, A.D.Ayangeakaa, B.Bucher, M.P.Carpenter, D.Cline, H.M.David, A.Hayes, C.Hoffman, R.V.F.Janssens, B.P.Kay, F.G.Kondev, W.Korten, T.Lauritsen, O.Moller, G.Rainovski, G.Savard, D.Seweryniak, J.Smith, R.Stegmann, S.Zhu, C.Y.Wu Sub-shell closure and shape coexistence in the transitional nucleus 98Zr NUCLEAR REACTIONS 196Pt(98Zr, 98Zr'), E=464 MeV from CARIBU source at ATLAS-ANL facility; measured recoils, Eγ, Iγ, (recoil)γ-coin using CHICO2 array of segmented parallel-plate avalanche counter (PPAC) for recoil detection, and GRETINA array of segmented HPGe detectors for γ detection. Coulomb excitation. 98Zr; deduced levels, upper limit of B(E2) for the first 2+ state. Comparison with shell model and Monte-Carlo shell model calculations, and with previous experimental values. Systematics of B(E2) values for the first 2+ states in 90,92,94,96,98,100,102,104,106Zr.
doi: 10.1103/PhysRevC.98.041302
2017BU07 Phys.Rev.Lett. 118, 152504 (2017) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, R.N.Bernard, L.M.Robledo, T.R.Rodriguez, D.Cline, A.B.Hayes, A.D.Ayangeakaa, M.Q.Buckner, C.M.Campbell, M.P.Carpenter, J.A.Clark, H.L.Crawford, H.M.David, C.Dickerson, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, G.Savard, D.Seweryniak, R.Vondrasek Direct Evidence for Octupole Deformation in 146Ba and the Origin of Large E1 Moment Variations in Reflection-Asymmetric Nuclei NUCLEAR REACTIONS 208Pb(146Ba, 146Ba'), E=659 MeV; measured reaction products, Eγ, Iγ. 144,146,148Ba; deduced energy levels, J, π, B(Eλ), quadrupole and octupole deformation parameters. Calculated HFB potential energy surfaces, neutron single-particle energies. Coulomb excitation, comparison with available data.
doi: 10.1103/PhysRevLett.118.152504
2017CA06 Prog.Part.Nucl.Phys. 94, 68 (2017) J.Carlson, M.P.Carpenter, R.Casten, C.Elster, P.Fallon, A.Gade, C.Gross, G.Hagen, A.C.Hayes, D.W.Higinbotham, C.R.Howell, C.J.Horowitz, K.L.Jones, F.G.Kondev, S.Lapi, A.Macchiavelli, E.A.McCutchan, J.Natowitz, W.Nazarewicz, T.Papenbrock, S.Reddy, M.J.Savage, G.Savard, B.M.Sherrill, L.G.Sobotka, M.A.Stoyer, M.B.Tsang, K.Vetter, I.Wiedenhoever, A.H.Wuosmaa, S.Yennello White paper on nuclear astrophysics and low-energy nuclear physics, Part 2: Low-energy nuclear physics
doi: 10.1016/j.ppnp.2016.11.002
2017DO01 Phys.Lett. B 766, 334 (2017) D.T.Doherty, J.M.Allmond, R.V.F.Janssens, W.Korten, S.Zhu, M.Zielinska, D.C.Radford, A.D.Ayangeakaa, B.Bucher, J.C.Batchelder, C.W.Beausang, C.Campbell, M.P.Carpenter, D.Cline, H.L.Crawford, H.M.David, J.P.Delaroche, C.Dickerson, P.Fallon, A.Galindo-Uribarri, F.G.Kondev, J.L.Harker, A.B.Hayes, M.Hendricks, P.Humby, M.Girod, C.J.Gross, M.Klintefjord, K.Kolos, G.J.Lane, T.Lauritsen, J.Libert, A.O.Macchiavelli, P.J.Napiorkowski, E.Padilla-Rodal, R.C.Pardo, W.Reviol, D.G.Sarantites, G.Savard, D.Seweryniak, J.Srebrny, R.Varner, R.Vondrasek, A.Wiens, E.Wilson, J.L.Wood, C.Y.Wu Triaxiality near the 110Ru ground state from Coulomb excitation NUCLEAR REACTIONS 208Pb(110Ru, 110Ru'), E=430 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energy spectrum, B(E2) using GOSIA fit of the experimental data, level scheme, J, π, triaxial deformation. Comparison with available data.
doi: 10.1016/j.physletb.2017.01.031
2016BU02 Phys.Rev.Lett. 116, 112503 (2016) B.Bucher, S.Zhu, C.Y.Wu, R.V.F.Janssens, D.Cline, A.B.Hayes, M.Albers, A.D.Ayangeakaa, P.A.Butler, C.M.Campbell, M.P.Carpenter, C.J.Chiara, J.A.Clark, H.L.Crawford, M.Cromaz, H.M.David, C.Dickerson, E.T.Gregor, J.Harker, C.R.Hoffman, B.P.Kay, F.G.Kondev, A.Korichi, T.Lauritsen, A.O.Macchiavelli, R.C.Pardo, A.Richard, M.A.Riley, G.Savard, M.Scheck, D.Seweryniak, M.K.Smith, R.Vondrasek, A.Wiens Direct Evidence of Octupole Deformation in Neutron-Rich 144Ba NUCLEAR REACTIONS 208Pb(144Ba, 144Ba'), E=650 MeV; measured reaction products, Eγ, Iγ. 144Ba; deduced yields, E2 and E3 matrix elements, quadrupole moments, deformation parameters, B(E2), B(E3). Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.116.112503
2016MI02 Phys.Rev. C 93, 014306 (2016) A.J.Mitchell, C.J.Lister, E.A.McCutchan, M.Albers, A.D.Ayangeakaa, P.F.Bertone, M.P.Carpenter, C.J.Chiara, P.Chowdhury, J.A.Clark, P.Copp, H.M.David, A.Y.Deo, B.DiGiovine, N.D'Olympia, R.Dungan, R.D.Harding, J.Harker, S.S.Hota, R.V.F.Janssens, F.G.Kondev, S.H.Liu, A.V.Ramayya, J.Rissanen, G.Savard, D.Seweryniak, R.Shearman, A.A.Sonzogni, S.L.Tabor, W.B.Walters, E.Wang, S.Zhu ψ-soft 146Ba and the role of nonaxial shapes at N ≈ 90 RADIOACTIVITY 146Cs(β-)[from 252Cf SF and mass separation at CARIBU-ANL facility]; measured Eγ, Iγ, βγ-, βγγ-coin using SATURN detection system at ANL. 146Ba; deduced levels, J, π, limits of β- branching ratios. Level systematics in even-A N=90 isotones with Z=56-68, and those of g.s., β- and γ-bands in 146Ba, 148Ce, 150Nd. Investigation of nuclear shape transitions. Comparison with interacting boson approximation (IBA) model predictions.
doi: 10.1103/PhysRevC.93.014306
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
2015DA12 Phys.Rev.Lett. 115, 132502 (2015) H.M.David, J.Chen, D.Seweryniak, F.G.Kondev, J.M.Gates, K.E.Gregorich, I.Ahmad, M.Albers, M.Alcorta, B.B.Back, B.Baartman, P.F.Bertone, L.A.Bernstein, C.M.Campbell, M.P.Carpenter, C.J.Chiara, R.M.Clark, M.Cromaz, D.T.Doherty, G.D.Dracoulis, N.E.Esker, P.Fallon, O.R.Gothe, J.P.Greene, P.T.Greenlees, D.J.Hartley, K.Hauschild, C.R.Hoffman, S.S.Hota, R.V.F.Janssens, T.L.Khoo, J.Konki, J.T.Kwarsick, T.Lauritsen, A.O.Macchiavelli, P.R.Mudder, C.Nair, Y.Qiu, J.Rissanen, A.M.Rogers, P.Ruotsalainen, G.Savard, S.Stolze, A.Wiens, S.Zhu Decay and Fission Hindrance of Two- and Four-Quasiparticle K Isomers in 254Rf NUCLEAR REACTIONS 206Pb(50Ti, 2n)254Rf, E=242.5 MeV; measured reaction products, Eγ, Iγ, Eβ, Iβ; deduced energy levels, J, π, isomer T1/2, unprecedented fission hindrance relative to the ground state. Comparison with multiquasiparticle calculations.
doi: 10.1103/PhysRevLett.115.132502
2015ST15 Phys.Rev.Lett. 115, 182501 (2015) M.G.Sternberg, R.Segel, N.D.Scielzo, G.Savard, J.A.Clark, P.F.Bertone, F.Buchinger, M.Burkey, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, J.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, A.Perez Galvan, K.S.Sharma, J.Van Schelt, R.M.Yee, B.J.Zabransky Limit on Tensor Currents from 8Li β Decay RADIOACTIVITY 8Li(β-) [from 7Li(d, p), E not given]; measured decay products, Eβ, Iβ, Eα, Iα. 6He; deduced β-ν-α correlations. Comparison with available data.
doi: 10.1103/PhysRevLett.115.182501
2014RO14 Nucl.Data Sheets 120, 41 (2014) A.M.Rogers, J.Giovinazzo, C.J.Lister, B.Blank, G.Canchel, J.A.Clark, G.de France, S.Grevy, S.Gros, E.A.McCutchan, F.de Oliveira Santos, G.Savard, D.Seweryniak, I.Stefan, J.-C.Thomas β-Decay in the Region of Neutron-deficient 69, 70, 71Kr RADIOACTIVITY 65Se, 69Kr(EC), (β+p) [from Ni(78Kr, X), E=70 MeV/nucleon]; measured decay products, Eγ, Iγ. 59Zn, 61,62Ga, 62,63Ge, 64,65,66As, 66,67Se, 70Br, 70,71Kr; deduced T1/2.
doi: 10.1016/j.nds.2014.07.001
2014SC11 Nucl.Data Sheets 120, 70 (2014) N.D.Scielzo, R.M.Yee, P.F.Bertone, F.Buchinger, S.A.Caldwell, J.A.Clark, A.Czeszumska, C.M.Deibel, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, S.Padgett, M.Pedretti, A.Perez Galvan, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky A Novel Approach to β-delayed Neutron Spectroscopy Using the Beta-decay Paul Trap RADIOACTIVITY 137I(β-); measured decay products, Eβ, Iβ.; deduced neutron energy spectrum and branching ratio. Comparison with available data.
doi: 10.1016/j.nds.2014.07.009
2013LI12 Phys.Rev.Lett. 110, 092502 (2013) G.Li, R.Segel, N.D.Scielzo, P.F.Bertone, F.Buchinger, S.Caldwell, A.Chaudhuri, J.A.Clark, J.E.Crawford, C.M.Deibel, J.Fallis, S.Gulick, G.Gwinner, D.Lascar, A.F.Levand, M.Pedretti, G.Savard, K.S.Sharma, M.G.Sternberg, T.Sun, J.Van Schelt, R.M.Yee, B.J.Zabransky Tensor Interaction Limit Derived From the α-β-ν(bar) Correlation in Trapped 8Li Ions RADIOACTIVITY 8Li(β-) [from 7Li(d, p), E=24 MeV]; measured decay products, Eα, Iα; deduced α-β-ν correlation in the Gamow-Teller decay, limit on tensor component contribution.
doi: 10.1103/PhysRevLett.110.092502
2013VA12 Phys.Rev.Lett. 111, 061102 (2013) J.Van Schelt, D.Lascar, G.Savard, J.A.Clark, P.F.Bertone, S.Caldwell, A.Chaudhuri, A.F.Levand, G.Li, G.E.Morgan, R.Orford, R.E.Segel, K.S.Sharma, M.G.Sternberg First Results from the CARIBU Facility: Mass Measurements on the r-Process Path ATOMIC MASSES 130,131In, 130,131,132,133,134,135Sn, 131,132,133,134,135,136,137Sb, 133,135,136,137,138,139,140Te, 133,134,135,139,140,141I, 142,143,144,145,146Cs; measured TOF ion cyclotron resonances, cyclotron frequency; deduced mass excess. Comparison with theoretical calculations.
doi: 10.1103/PhysRevLett.111.061102
2013YE02 Phys.Rev.Lett. 110, 092501 (2013) R.M.Yee, N.D.Scielzo, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, D.Lascar, A.F.Levand, G.Li, E.B.Norman, M.Pedretti, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, J.Van Schelt, B.J.Zabransky β-Delayed Neutron Spectroscopy Using Trapped Radioactive Ions RADIOACTIVITY 137I(β-n) [from 252Cf(SF)];measured decay products, TOF, Eβ, Iβ, Eγ, Iγ, En, In; deduced βn branching ratios. Linear Paul trap.
doi: 10.1103/PhysRevLett.110.092501
2012SC09 Nucl.Instrum.Methods Phys.Res. A681, 94 (2012) N.D.Scielzo, G.Li, M.G.Sternberg, G.Savard, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.Crawford, C.M.Deibel, J.Fallis, J.P.Greene, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, M.Pedretti, R.E.Segel, H.Sharma, K.S.Sharma, I.Tanihata, J.Van Schelt, R.M.Yee, B.J.Zabransky The β-decay Paul trap: A radiofrequency-quadrupole ion trap for precision β-decay studies RADIOACTIVITY 8Li(β-), (α); measured decay products, Eβ, Iβ, Eα, Iα, nuclear recoils; deduced technique for the β-ν angular correlations.
doi: 10.1016/j.nima.2012.04.035
2012VA02 Phys.Rev. C 85, 045805 (2012) J.Van Schelt, D.Lascar, G.Savard, J.A.Clark, S.Caldwell, A.Chaudhuri, J.Fallis, J.P.Greene, A.F.Levand, G.Li, K.S.Sharma, M.G.Sternberg, T.Sun, B.J.Zabransky Mass measurements near the r-process path using the Canadian Penning Trap mass spectrometer ATOMIC MASSES 133,134Sb, 134,135,136,137Te, 135,136,137,138,139I, 137,138,139,140,141Xe, 141,142Cs, 153,155Pr, 153,155,157Nd, 153,155,156,157,158,159Pm, 155,157,158,159,160,161Sm, 158,159,160,161Eu, 163Gd; measured cyclotron frequency ratios; deduced mass excess, atomic masses. Canadian Penning Trap mass spectrometer at ANL. Comparison with AME-2003 evaluation and theoretical mass models. Systematics of S(2n) values.
doi: 10.1103/PhysRevC.85.045805
2011CH66 J.Phys.:Conf.Ser. 312, 042009 (2011) A.Chaudhuri, P.F.Bertone, F.Buchinger, S.Caldwell, J.A.Clark, J.E.Crawford, C.M.Deibel, S.Gulick, D.Lascar, A.F.Levand, G.Li, G.Savard, R.E.Segel, K.S.Sharma, M.G.Sternberg, T.Sun, J.Van Schelt Studies of neutron-rich nuclei using the CPT mass spectrometer at CARIBU
doi: 10.1088/1742-6596/312/4/042009
2011FA10 Phys.Rev. C 84, 045807 (2011) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, A.Chaudhuri, J.E.Crawford, C.M.Deibel, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.G.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Mass measurements of isotopes of Nb, Mo, Tc, Ru, and Rh along the Νp- and rp-process paths using the Canadian Penning trap mass spectrometer ATOMIC MASSES 87Nb, 87,90,91,92Mo, 90,91,92,93Tc, 90,91,92,93,94Ru, 92,93,94,95Rh; measured cyclotron frequency ratios using Canadian Penning trap mass spectrometer; deduced mass excesses. 88Tc; deduced S(p). Comparison with previous measurements and AME-2003. Z=42-47, A=87-96; analyzed systematics of S(2p) values. Z=42-45, N=45-52; analyzed systematics of S(2n) values. Z=42-45, A=87-95; analyzed systematics of S(p) values. 94mAg; discussed 2p decay mode of 21+ isomer. NUCLEAR REACTIONS 58Ni(40Ca, X)87Nb/87Mo/90Mo/92Mo/90Tc/90Tc/92Tc/93Tc/90Ru/91Ru/92Ru/93Ru/92Rh/93Rh/94Rh, E=185, 190, 200 MeV; 58Ni(36Ar, X)91Tc/91Ru, E=125 MeV; Ni(36Ar, X)90Mo/91Mo/90Tc/91Tc/92Tc/91Ru/92Ru, E=130, 150 MeV; Ni(40Ca, X)93Tc/93Ru/94Ru/94Rh/95Rh, E=170 MeV; measured yields at ATLAS facility.
doi: 10.1103/PhysRevC.84.045807
2011RO47 Phys.Rev. C 84, 051306 (2011) A.M.Rogers, J.Giovinazzo, C.J.Lister, B.Blank, G.Canchel, J.A.Clark, G.de France, S.Grevy, S.Gros, E.A.McCutchan, F.de Oliveira Santos, G.Savard, D.Seweryniak, I.Stefan, J.-C.Thomas 69Kr β-delayed proton emission: A Trojan horse for studying states in proton-unbound 69Br RADIOACTIVITY 69Kr, 65Se(β+p)[from Ni(78Kr, X), E=70 MeV/nucleon]; measured Eγ, Iγ, Eβ, (implants)βγ-coin, half-lives using LISE3 facility at GANIL. 64Ge, 65As, 68Se, 69Br; deduced levels, J, π, isospin, IAS, β feeding, log ft, Coulomb Displacement energy (CDE), Q value.
doi: 10.1103/PhysRevC.84.051306
2011SA71 Hyperfine Interactions 199, 301 (2011) G.Savard, R.C.Pardo, S.Baker, C.N.Davids, A.Levand, D.Peterson, D.G.Phillips, T.Sun, R.Vondrasek, B.J.Zabransky, G.P.Zinkann CARIBU: a new facility for the study of neutron-rich isotopes
doi: 10.1007/s10751-011-0325-5
2010TA05 Phys.Rev. C 81, 045809 (2010) X.D.Tang, K.E.Rehm, I.Ahmad, C.R.Brune, A.Champagne, J.P.Greene, A.Hecht, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, D.Kahl, E.F.Moore, M.Notani, R.C.Pardo, N.Patel, M.Paul, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, A.H.Wuosmaa Determination of the E1 component of the low-energy 12C(α, γ)16O cross section RADIOACTIVITY 16N(β-α); measured Eα, Iα, α12C-coin, half-life; deduced E1 component of the S factor for 12C(α, γ)16O reaction using a set of twin ionization chambers. R-matrix analysis. Comparison with previous studies. NUCLEAR REACTIONS 2H(15N, p)15N/16N/16O/20Ne, E=82 MeV; measured fragment yields.
doi: 10.1103/PhysRevC.81.045809
2009QI04 Phys.Rev. C 79, 064319 (2009) J.Qian, A.Heinz, T.L.Khoo, R.V.F.Janssens, D.Peterson, D.Seweryniak, I.Ahmad, M.Asai, B.B.Back, M.P.Carpenter, A.B.Garnsworthy, J.P.Greene, A.A.Hecht, C.L.Jiang, F.G.Kondev, T.Lauritsen, C.J.Lister, A.Robinson, G.Savard, R.Scott, R.Vondrasek, X.Wang, R.Winkler, S.Zhu Spectroscopy of 257Rf NUCLEAR REACTIONS 208Pb(50Ti, n), E=233 MeV; measured Eα, Iα, ce, fission events correlated with evaporation residues, Eγ, Iγ, (ce)α-, (ce)γ-coin, isomer half-lives, (evaporation residues)-ce-α-α correlations. 257Rf; deduced levels, J, π, configurations. 257Rf; calculated excitation energies of 1-qp states and rotational bands built on 1-qp and 3-qp bandheads. A=245-257, odd-A Pu, Cm, Cf, Fm, No, Rf; Nilsson orbital systematics. RADIOACTIVITY 257Rf(α)(EC)(SF), 257mRf(α)(EC), 257Lr(α), 256Rf(SF), 253No(α)(EC); measured Eα, Iα, Eγ, fission events, (ce)α-coin, half-lives, and fission branching ratios. 253No; deduced levels, J, π, α hindrance factors, and configurations.
doi: 10.1103/PhysRevC.79.064319
2009RO04 Phys.Rev. C 79, 031603 (2009) T.Roger, H.Savajols, I.Tanihata, W.Mittig, M.Alcorta, D.Bandyopadhyay, R.Bieri, L.Buchmann, M.Caamano, B.Davids, N.Galinski, A.Gallant, D.Howell, R.Kanungo, W.Mills, S.Mythili, M.Notani, R.Openshaw, E.Padilla-Rodal, P.Roussel-Chomaz, G.Ruprecht, G.Savard, G.Sheffer, A.C.Shotter, M.Trinczek, P.Walden Mass of 11Li from the 1H(11Li, 9Li)3H reaction NUCLEAR REACTIONS 1H(11Li, 9Li), E=5 MeV/nucleon; measured reaction Q-value using angle-angle kinematical correlations of reaction products and by energy correlations between 9Li recoils and outgoing tritons. ATOMIC MASSES 11Li; deduced mass and S(2n) from measured Q-value for 1H(11Li, 9Li) reaction.
doi: 10.1103/PhysRevC.79.031603
2009SC19 Phys.Rev. C 80, 025501 (2009) N.D.Scielzo, S.Caldwell, G.Savard, J.A.Clark, C.M.Deibel, J.Fallis, S.Gulick, D.Lascar, A.F.Levand, G.Li, J.Mintz, E.B.Norman, K.S.Sharma, M.Sternberg, T.Sun, J.Van Schelt Double-β-decay Q values of 130Te, 128Te, and 120Te ATOMIC MASSES 128,129,130,131,132Xe, 120,128,130Te, 120Sn; measured mass differences of 120Te-120Sn, 128Te-128Xe, 130Te-130Xe and 132Xe-129Xe pairs using Penning Trap mass spectrometer. RADIOACTIVITY 120Te(2β+); 128,130Te(2β-); measured parent-daughter mass differences by Penning-trap spectrometer; deduced Q values.
doi: 10.1103/PhysRevC.80.025501
2008FA11 Phys.Rev. C 78, 022801 (2008) J.Fallis, J.A.Clark, K.S.Sharma, G.Savard, F.Buchinger, S.Caldwell, J.E.Crawford, C.M.Deibel, J.L.Fisker, S.Gulick, A.A.Hecht, D.Lascar, J.K.P.Lee, A.F.Levand, G.Li, B.F.Lundgren, A.Parikh, S.Russell, M.Scholte-van de Vorst, N.D.Scielzo, R.E.Segel, H.Sharma, S.Sinha, M.Sternberg, T.Sun, I.Tanihata, J.Van Schelt, J.C.Wang, Y.Wang, C.Wrede, Z.Zhou Determination of the proton separation energy of 93Rh from mass measurements ATOMIC MASSES 92Ru, 93Rh; measured masses; deduced mass excesses, proton separation energies. Penning trap method.
doi: 10.1103/PhysRevC.78.022801
2008TA13 Phys.Rev.Lett. 100, 192502 (2008) I.Tanihata, M.Alcorta, D.Bandyopadhyay, R.Bieri, L.Buchmann, B.Davids, N.Galinski, D.Howell, W.Mills, S.Mythili, R.Openshaw, E.Padilla-Rodal, G.Ruprecht, G.Sheffer, A.C.Shotter, M.Trinczek, P.Walden, H.Savajols, T.Roger, M.Caamano, W.Mittig, P.Roussel-Chomaz, R.Kanungo, A.Gallant, M.Notani, G.Savard, I.J.Thompson Measurement of the Two-Halo Neutron Transfer Reaction 1H(11Li, 9Li)3H at 3 A MeV NUCLEAR REACTIONS 1H(11Li, 9Li)3H, E=3 MeV/nucleon; measured σ(θ), proton-Li-coin using gas-Si-CsI target-detection system (MAYA active target); deduced spectroscopic factors. Comparison with Optical Model calculations.
doi: 10.1103/PhysRevLett.100.192502
2008WU05 Phys.Rev. C 78, 041302 (2008) A.H.Wuosmaa, J.P.Schiffer, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, J.C.Lighthall, S.T.Marley, E.F.Moore, R.C.Pardo, N.Patel, M.Paul, D.Peterson, S.C.Pieper, G.Savard, R.E.Segel, R.H.Siemssen, X.D.Tang, R.B.Wiringa Structure of 7He by proton removal from 8Li with the (d, 3He) reaction NUCLEAR REACTIONS 2H(8Li, 3He), E=76 MeV; 2H(7Li, t), (7Li, 3He), E=81 MeV; measured charged particle spectra, (particle)(particle)-coin, angular distributions, σ, σ(θ), spectroscopic factors. 7He; deduced levels, J, π. Comparisons with data from 2H(6He, p) experiment. Comparisons with nuclear structure models and variational quantum Monte Carlo calculations.
doi: 10.1103/PhysRevC.78.041302
2007CL01 Phys.Rev. C 75, 032801 (2007) J.A.Clark, K.S.Sharma, G.Savard, A.F.Levand, J.C.Wang, Z.Zhou, B.Blank, F.Buchinger, J.E.Crawford, S.Gulick, J.K.P.Lee, D.Seweryniak, W.Trimble Precise measurement of the 64Ge mass and its effect on the rp process ATOMIC MASSES 64Ge, 64Ga; measured mass. Penning trap mass spectrometer. Astrophysical implications discussed.
doi: 10.1103/PhysRevC.75.032801
2007TA34 Phys.Rev.Lett. 99, 052502 (2007) X.D.Tang, K.E.Rehm, I.Ahmad, C.R.Brune, A.Champagne, J.P.Greene, A.A.Hecht, D.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, D.Kahl, E.F.Moore, M.Notani, R.C.Pardo, N.Patel, M.Paul, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, B.Shumard, A.H.Wuosmaa New Determination of the Astrophysical S Factor SE1 of the 12C(α, γ)16O Reaction RADIOACTIVITY 16N(β-), (β-α); measured Eα, Iα, 12Cα-coin. 12C(α, γ); deduced astrophysical S-factor.
doi: 10.1103/PhysRevLett.99.052502
2007WU05 Eur.Phys.J. Special Topics 150, 79 (2007) A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, J.C.Lighthall, S.T.Marley, E.F.Moore, R.C.Pardo, N.Patel, M.Paul, D.Peterson, S.C.Pieper, G.Savard, J.P.Schiffer, R.E.Segal, R.H.Siemssen, S.Sinha, X.Tang, R.B.Wiringa Nucleon transfer reactions with exotic beams at ATLAS
doi: 10.1140/epjst/e2007-00271-y
2007ZG01 Acta Phys.Pol. B38, 1179 (2007) E.F.Zganjar, T.Achtzehn, D.Albers, C.Andreoiu, A.N.Andreyev, R.A.E.Austin, G.C.Ball, J.A.Behr, G.C.Biosvert, P.Bricault, S.Bishop, R.S.Chakrawarthy, R.Churchman, D.Cross, E.Cunningham, J.M.D'Auria, M.Dombsky, P.Finlay, P.E.Garrett, G.F.Grinyer, G.Hackman, V.Hanemaayer, J.C.Hardy, D.F.Hodgson, B.Hyland, V.Iacob, P.Klages, K.A.Koopmans, W.D.Kulp, J.Lassen, J.P.Lavoie, J.R.Leslie, T.Linder, J.A.Macdonald, H.-B.Mak, D.Melconian, A.C.Morton, W.E.Ormand, C.J.Osborne, C.J.Pearson, M.R.Pearson, A.A.Phillips, A.Piechaczek, J.Ressler, F.Sarazin, G.Savard, M.A.Schumaker, H.C.Scraggs, C.E.Svensson, J.J.Valiente-Dobon, I.S.Towner, J.C.Waddington, P.M.Walker, K.Wendt, J.L.Wood Superallowed Beta Decay Studies at TRIUMF - Nuclear Structure and Fundamental Symmetries
2006HA61 Int.J. Mass Spectrom. 251, 95 (2006) J.C.Hardy, I.S.Towner, G.Savard Mass measurements and superallowed β decay NUCLEAR REACTIONS 24,25Mg(n, γ), E not given; 25Mg(p, γ), E not given; 26Mg, 27Al(p, γ), E not given; analyzed Q values and mass excess. ATOMIC MASSES 46V, 46Ti, 26Al; reviewed masses. 24,26Mg, 26Al, 28Si; analyzed and evaluated masses. Comparison with Penning Trap measurements.
doi: 10.1016/j.ijms.2005.12.052
2006NA02 Phys.Rev.Lett. 96, 041102 (2006) H.Nassar, M.Paul, I.Ahmad, Y.Ben-Dov, J.Caggiano, S.Ghelberg, S.Goriely, J.P.Greene, M.Hass, A.Heger, A.Heinz, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, Y.Kashiv, B.S.Nara Singh, A.Ofan, R.C.Pardo, T.Pennington, K.E.Rehm, G.Savard, R.Scott, R.Vondrasek 40Ca(α, γ)44Ti Reaction in the Energy Regime of Supernova Nucleosynthesis NUCLEAR REACTIONS 4He(40Ca, γ), E(cm) ≈ 0.6-1.2 MeV/nucleon; measured yield. 40Ca(α, γ), E=low; deduced astrophysical reaction rate. Accelerator mass spectrometry.
doi: 10.1103/PhysRevLett.96.041102
2006SA56 Int.J. Mass Spectrom. 251, 252 (2006) G.Savard, J.C.Wang, K.S.Sharma, H.Sharma, J.A.Clark, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, W.Trimble, J.Vaz, B.J.Zabransky Studies of neutron-rich isotopes with the CPT mass spectrometer and the CARIBU project ATOMIC MASSES 141,142,143,144,145,146,147Ba, 143,144,145,146,147,148La, 145,146,147,148,149,150,151Ce, 148,149,150,151,152,153Pr; measured masses with the Canadian Penning Trap (CPT) mass spectrometer and reviewed the CARIBU Project. Isotopes produced from fission of 252Cf. Comparisons with 1995 and 2003 mass evaluations.
doi: 10.1016/j.ijms.2006.01.047
2005CL08 Eur.Phys.J. A 25, Supplement 1, 629 (2005) J.A.Clark, R.C.Barber, B.Blank, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, J.C.Hardy, A.A.Hecht, A.Heinz, J.K.P.Lee, A.F.Levand, B.F.Lundgren, R.B.Moore, G.Savard, N.D.Scielzo, D.Seweryniak, K.S.Sharma, G.D.Sprouse, W.Trimble, J.Vaz, J.C.Wang, Y.Wang, B.J.Zabransky, Z.Zhou Investigating the rp-process with the Canadian Penning trap mass spectrometer ATOMIC MASSES 64Ge, 68Se; analyzed masses; deduced effective T1/2. 90,91Mo, 90,91,92,93Tc, 93,94Ru, 94,95Rh, 104,105,106,107In, 104,105,107,108Sn, 107,108Sb; measured masses. Penning trap, astrophysical implications discussed.
doi: 10.1140/epjad/i2005-06-172-3
2005SA44 Phys.Rev.Lett. 95, 102501 (2005) G.Savard, F.Buchinger, J.A.Clark, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, J.K.P.Lee, A.F.Levand, N.D.Scielzo, H.Sharma, K.S.Sharma, I.Tanihata, A.C.C.Villari, Y.Wang Q Value of the Superallowed Decay of 46V and Its Influence on Vud and the Unitarity of the Cabibbo-Kobayashi-Maskawa Matrix ATOMIC MASSES 46Ti, 46V; measured masses; deduced Q(EC). Penning trap mass spectrometer. RADIOACTIVITY 46V(EC); analyzed masses; deduced Q(EC), log ft. 10C, 14O, 22Mg, 26mAl, 34Cl, 34Ar, 38mK, 42Sc, 46V, 50Mn, 54Co, 74Rb; compiled, analyzed log ft; deduced quark-mixing matrix element.
doi: 10.1103/PhysRevLett.95.102501
2005SA66 Eur.Phys.J. A 25, Supplement 1, 713 (2005) Ion manipulation with cooled and bunched beams
doi: 10.1140/epjad/i2005-06-206-x
2005SH52 Eur.Phys.J. A 25, Supplement 1, 45 (2005) K.S.Sharma, J.Vaz, R.C.Barber, F.Buchinger, J.A.Clark, J.E.Crawford, H.Fukutani, J.P.Greene, S.Gulick, A.Heinz, J.K.P.Lee, G.Savard, Z.Zhou, J.C.Wang Atomic mass ratios for some stable isotopes of platinum relative to 197Au ATOMIC MASSES 194,195,196,198Pt; measured masses. Penning trap mass spectrometer.
doi: 10.1140/epjad/i2005-06-191-0
2005WU03 Phys.Rev.Lett. 94, 082502 (2005) A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, E.F.Moore, R.C.Pardo, M.Paul, D.Peterson, S.C.Pieper, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, X.Tang, R.B.Wiringa Neutron Spectroscopic Factors in 9Li from 2H(8Li, p)9Li NUCLEAR REACTIONS 2H(8Li, p), E ≈ 76 MeV; measured Ep, excitation energy spectra, σ(θ). 9Li deduced levels, J, π, spectroscopic factors. Comparison with model predictions.
doi: 10.1103/PhysRevLett.94.082502
2005WU08 Phys.Rev. C 72, 061301 (2005) A.H.Wuosmaa, K.E.Rehm, J.P.Greene, D.J.Henderson, R.V.F.Janssens, C.L.Jiang, L.Jisonna, E.F.Moore, R.C.Pardo, M.Paul, D.Peterson, Steven C.Pieper, G.Savard, J.P.Schiffer, R.E.Segel, S.Sinha, X.Tang, R.B.Wiringa Search for excited states in 7He with the (d, p) reaction NUCLEAR REACTIONS 2H(6He, p), E=69 MeV; 2H(7Li, p), E=81 MeV; measured particle spectra, σ(θ). 7He deduced ground-state J, π, excited state energy, width.
doi: 10.1103/PhysRevC.72.061301
2004BL03 Phys.Rev. C 69, 015502 (2004) B.Blank, G.Savard, J.Doring, A.Blazhev, G.Canchel, M.Chartier, D.Henderson, Z.Janas, R.Kirchner, I.Mukha, E.Roeckl, K.Schmidt, J.Zylicz High-precision measurement of the half-life of 62Ga RADIOACTIVITY 62Ga(EC), (β+) [from 28Si(40Ca, npα)]; measured βγ-coin, T1/2. Mass-separated source. Comparison with previous results.
doi: 10.1103/PhysRevC.69.015502
2004CL03 Phys.Rev.Lett. 92, 192501 (2004) J.A.Clark, G.Savard, K.S.Sharma, J.Vaz, J.C.Wang, Z.Zhou, A.Heinz, B.Blank, F.Buchinger, J.E.Crawford, S.Gulick, J.K.P.Lee, A.F.Levand, D.Seweryniak, G.D.Sprouse, W.Trimble Precise Mass Measurement of 68Se, a Waiting-Point Nuclide along the rp Process ATOMIC MASSES 68Ge, 68As, 68Se; measured masses. Penning trap mass spectrometer. Astrophysical implications discussed.
doi: 10.1103/PhysRevLett.92.192501
2004CL07 Nucl.Phys. A746, 342c (2004) J.A.Clark, R.C.Barber, B.Blank, C.Boudreau, F.Buchinger, J.E.Crawford, S.Gulick, J.C.Hardy, A.Heinz, J.K.P.Lee, A.F.Levand, R.B.Moore, G.Savard, D.Seweryniak, K.S.Sharma, G.D.Sprouse, W.Trimble, J.Vaz, J.C.Wang, Z.Zhou Precise mass measurements of astrophysical interest made with the Canadian Penning trap mass spectrometer ATOMIC MASSES 68Se, 141,142,143,144,145,146,147Ba, 143,144,145,146,147,148La, 145,146,147,148,149,150,151Ce, 148,149,150,151,152,153Pr; measured masses. Penning trap mass spectrometer.
doi: 10.1016/j.nuclphysa.2004.09.051
2004JI09 Nucl.Phys. A746, 403c (2004) C.L.Jiang, B.B.Back, J.Nolen, K.E.Rehm, G.Savard The influence of secondary reactions in the wedge of a magnetic separator at RIA
doi: 10.1016/j.nuclphysa.2004.09.142
2004SA53 Phys.Rev. C 70, 042501 (2004) G.Savard, J.A.Clark, F.Buchinger, J.E.Crawford, S.Gulick, J.C.Hardy, A.A.Hecht, V.E.Iacob, J.K.P.Lee, A.F.Levand, B.F.Lundgren, N.D.Scielzo, K.S.Sharma, I.Tanihata, I.S.Towner, W.Trimble, J.C.Wang, Y.Wang, Z.Zhou Q value of the superallowed decay of 22Mg and the calibration of the 21Na(p, γ) experiment ATOMIC MASSES 18O, 22Mg, 22Na; measured masses. 22Mg deduced Q(EC), ft. Penning trap spectrometer.
doi: 10.1103/PhysRevC.70.042501
2004TR14 Nucl.Phys. A746, 415c (2004) W.Trimble, G.Savard, B.Blank, J.A.Clark, F.Buchinger, T.Cocolios, J.E.Crawford, A.Frankel, J.P.Greene, S.Gulick, J.K.P.Lee, A.Levand, M.Portillo, K.S.Sharma, J.C.Wang, B.J.Zabransky, Z.Zhou, and the S258 Collaboration Development and first on-line tests of the RIA gas catcher prototype
doi: 10.1016/j.nuclphysa.2004.09.110
2004WA34 Nucl.Phys. A746, 651c (2004) J.C.Wang, G.Savard, K.S.Sharma, J.A.Clark, Z.Zhou, A.F.Levand, C.Boudreau, F.Buchinger, J.E.Crawford, J.P.Greene, S.Gulick, J.K.P.Lee, G.D.Sprouse, W.Trimble, J.Vaz, B.Z.Zabransky The Canadian Penning Trap mass spectrometer
doi: 10.1016/j.nuclphysa.2004.09.044
2004WI13 Nucl.Phys. A746, 311c (2004) W.T.Winter, K.E.Rehm, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Determination of the 8B neutrino spectrum RADIOACTIVITY 8B(EC); measured β-delayed Eα; deduced neutrino spectrum. 20Na(EC); measured β-delayed Eα.
doi: 10.1016/j.nuclphysa.2004.09.029
2003PA34 Nucl.Phys. A718, 239c (2003) M.Paul, C.Feldstein, I.Ahmad, D.Berkovits, C.Bordeanu, J.Caggiano, S.Ghelberg, J.Goerres, J.Greene, M.Hass, A.Heinz, D.Henderson, S.K.Hui, R.V.F.Janssens, C.L.Jiang, S.Jiang, Y.Nirel, R.C.Pardo, T.Pennington, K.E.Rehm, G.Savard, G.Verri, R.Vondrasek, I.Wiedenhover, M.Wiescher Counting 44Ti Nuclei from the 40Ca(α, γ)44Ti Reaction NUCLEAR REACTIONS 4He(40Ca, X)44Ti, E=70.9 MeV; measured yield. 44Ti deduced resonance strength. Chemical separation, accelerator mass spectrometry.
doi: 10.1016/S0375-9474(03)00720-6
2003PI08 Phys.Rev. C 67, 051305 (2003) A.Piechaczek, E.F.Zganjar, G.C.Ball, P.Bricault, J.M.D'Auria, J.C.Hardy, D.F.Hodgson, V.Iacob, P.Klages, W.D.Kulp, J.R.Leslie, M.Lipoglavsek, J.A.Macdonald, H.-B.Mak, D.M.Moltz, G.Savard, J.von Schwarzenberg, C.E.Svensson, I.S.Towner, J.L.Wood High precision branching ratio measurement for the superallowed β decay of 74Rb: A prerequisite for exacting tests of the standard model RADIOACTIVITY 74Rb(EC) [from Nb(p, X)]; measured Eγ, Iγ, E(ce), I(ce); deduced analog transition branching ratio, QEC. 74Kr deduced levels, transitions.
doi: 10.1103/PhysRevC.67.051305
2003RE26 Nucl.Phys. A718, 443c (2003) K.E.Rehm, W.Winter, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Study of the 8B Neutrino Spectrum With a New Technique RADIOACTIVITY 8B, 20Na(α) [from 3He(6Li, n), (19F, 2n)]; measured Eα.
doi: 10.1016/S0375-9474(03)00841-8
2003WI11 Nucl.Phys. A721, 553c (2003) W.Winter, K.E.Rehm, C.L.Jiang, I.Ahmad, S.J.Freedman, J.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, E.F.Moore, G.Mukherjee, R.C.Pardo, M.Paul, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann Measurement of the 8B Neutrino Spectrum RADIOACTIVITY 8B, 20Na(β+), (EC) [from 3He(6Li, n) and 3He(19F, 2n)]; measured β-delayed Eα. Mass-separated sources.
doi: 10.1016/S0375-9474(03)01122-9
2003WI16 Phys.Rev.Lett. 91, 252501 (2003) W.T.Winter, S.J.Freedman, K.E.Rehm, I.Ahmad, J.P.Greene, A.Heinz, D.Henderson, R.V.F.Janssens, C.L.Jiang, E.F.Moore, G.Mukherjee, R.C.Pardo, T.Pennington, G.Savard, J.P.Schiffer, D.Seweryniak, G.Zinkann, M.Paul Determination of the 8B Neutrino Spectrum RADIOACTIVITY 8B, 20Na(β+α) [from 3He(6Li, n) and 3He(19F, 2n)]; measured β-delayed Eα, Iα, βα-coin; deduced neutrino spectrum. Comparison with previous results.
doi: 10.1103/PhysRevLett.91.252501
2002JI08 Nucl.Instrum.Methods Phys.Res. A492, 57 (2002) C.L.Jiang, B.B.Back, I.Gomes, A.M.Heinz, J.Nolen, K.E.Rehm, G.Savard, J.P.Schiffer Yield calculations for a facility for short-lived nuclear beams NUCLEAR REACTIONS 7Li(86Kr, X)78Ni, E ≈ 0.1-1 GeV/nucleon; 9Be(40Ar, X)19C, E ≈ 0.1-1 GeV/nucleon; calculated yields vs target thickness. Yields for many other reactions discussed.
doi: 10.1016/S0168-9002(02)01352-9
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
2002SA31 Nucl.Phys. A701, 292c (2002) G.Savard, J.Schwartz, J.Caggiano, J.P.Greene, A.Heinz, M.Maier, D.Seweryniak, B.J.Zabransky ISOL Beams from Fragmentation: The best of both worlds
doi: 10.1016/S0375-9474(01)01601-3
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