NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = K.Flanagan Found 70 matches. 2022BA15 Phys.Lett. B 829, 137064 (2022) S.W.Bai, A.Koszorus, B.S.Hu, X.F.Yang, J.Billowes, C.L.Binnersley, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, T.E.Cocolios, R.P.de Groote, C.S.Devlin, K.T.Flanagan, R.F.Garcia Ruiz, H.Heylen, J.D.Holt, A.Kanellakopoulos, J.Kramer, V.Lagaki, B.Maass, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, L.V.Rodriguez, F.Sommer, A.R.Vernon, S.J.Wang, X.B.Wang, S.G.Wilkins, Z.Y.Xu, C.X.Yuan Electromagnetic moments of scandium isotopes and N=28 isotones in the distinctive 0f7/2 orbit NUCLEAR MOMENTS 41,43,45,46,47,49Sc; measured frequencies; deduced hfs constants, electromagnetic dipole and quadrupole moments. Comparison with theoretical calculations. Two collinear laser spectroscopy (CLS) setups, COLLAPS and CRIS at ISOLDE-CERN.
doi: 10.1016/j.physletb.2022.137064
2021DA01 Phys.Rev.Lett. 126, 032502 (2021) T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, B.A.Marsh, S.Sels, P.Ring, H.Nakada, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, P.L.Molkanov, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya, K.Zuber Laser Spectroscopy of Neutron-Rich 207, 208Hg Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N = 126 Shell Closure NUCLEAR MOMENTS 202,203,206,207,208Hg; measured frequencies; deduced hyperfine spectra, mean-square charge radii. Comparison with relativistic Hartree-Bogoliubov and nonrelativistic Hartree-Fock-Bogoliubov approaches, available data.
doi: 10.1103/PhysRevLett.126.032502
2021DA16 Phys.Rev. C 104, 054322 (2021) T.Day Goodacre, A.V.Afanasjev, A.E.Barzakh, L.Nies, B.A.Marsh, S.Sels, U.C.Perera, P.Ring, F.Wienholtz, A.N.Andreyev, P.Van Duppen, N.A.Althubiti, B.Andel, D.Atanasov, R.S.Augusto, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, A.Gottberg, M.Huyse, S.Kreim, P.Kunz, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, M.Mougeot, J.P.Ramos, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, R.N.Wolf, A.Zadvornaya, K.Zuber Charge radii, moments, and masses of mercury isotopes across the N=126 shell closure NUCLEAR MOMENTS 198,202,203,206,207,208Hg; measured hyperfine structure spectra using Versatile Arc Discharge and Laser Ion Source (VADLIS) in CERN-ISOLDE Resonance Ionization Laser Ion Source (RILIS) mode; deduced isotope shifts (δν) and charge radii (δ<r2) with respect to 198Hg, hyperfine factors a and b, static magnetic dipole (μ) and electric quadrupole (Q) moments for the ground states of 203Hg and 207Hg, Comparison of g factors with Schmidt values for 207Hg, 209Pb, 210Bi and 211Po, and charge radii, and odd-even staggering (OES) of the mean square charge radii with relativistic Hartree-Bogoliubov (RHB) calculations using DD-ME2, DD-MEδ, DD-PC1 and NL3* covariant energy-density functionals for 197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214Pb, 201,202,203,204,205,206,207,208,209,210Hg. Source of Hg isotopes were produced in Pb(p, X), E=1.4 GeV reaction, and using VADLIS+RILIS ion source, followed by separation of fragments using ISOLDE General Purpose Separator. 183,184,185,202,203,206,207,208Hg; measured ionization and release efficiency as a function of the half-life of mercury isotopes from a molten lead target, and compared with ABRABLA, FLUKA, and GEANT4 simulations. ATOMIC MASSES 206,207,208Hg, 208Pb; measured time-of-flight ion-cyclotron resonances, with reference to 208Pb using the RILIS+VADIS ion source and ISOLTRAP MR-ToF mass spectrometer (MS) at CERN-ISOLDE; deduced mass excesses for 206,207,208Hg, and compared with AME2020 values.
doi: 10.1103/PhysRevC.104.054322
2021KO08 Nat.Phys. 17, 439 (2021), Erratum Nat.Phys. 17, 539 (2021) A.Koszorus, X.F.Yang, W.G.Jiang, S.J.Novario, S.W.Bai, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, B.S.Cooper, R.P.de Groote, A.Ekstrom, K.T.Flanagan, C.Forssen, S.Franchoo, R.F.Garcia Ruiz, F.P.Gustafsson, G.Hagen, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, W.Nazarewicz, G.Neyens, T.Papenbrock, P.-G.Reinhard, C.M.Ricketts, B.K.Sahoo, A.R.Vernon, S.G.Wilkins Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32 NUCLEAR MOMENTS 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52K; measured frequencies; deduced hyperfine structure spectra, charge radii, new magic numbers. Comparison with NNLO, HFB calculations.
doi: 10.1038/s41567-020-01136-5
2020DE21 Nat.Phys. 16, 620 (2020) R.P.de Groote, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, J.D.Holt, A.Koszorus, K.M.Lynch, T.Miyagi, W.Nazarewicz, G.Neyens, P.-G.Reinhard, S.Rothe, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins, Z.Y.Xu, X.F.Yang Measurement and microscopic description of odd-even staggering of charge radii of exotic copper isotopes NUCLEAR MOMENTS 63,64,65,68,69,70,71,72,73,74,75,76,77,78Cu; measured laser frequencies; deduced isotope shifts, charge radii. Isotope Mass Separator On-Line Device facility (ISOLDE) at CERN.
doi: 10.1038/s41567-020-0868-y
2020GU24 Phys.Rev. A 102, 052812 (2020) F.P.Gustafsson, C.M.Ricketts, M.L.Reitsma, R.F.Garcia Ruiz, S.W.Bai, J.C.Berengut, J.Billowes, C.L.Binnersley, A.Borschevsky, T.E.Cocolios, B.S.Cooper, R.P.de Groote, K.T.Flanagan, A.Koszorus, G.Neyens, H.A.Perrett, A.R.Vernon, Q.Wang, S.G.Wilkins, X.F.Yang Tin resonance-ionization schemes for atomic- and nuclear-structure studies NUCLEAR MOMENTS 116,117,118,119,120,122,124Sn; measured frequencies; deduced isotope shifts, magnetic dipole hyperfine constants, hyperfine structures. Comparison with state-of-the-art atomic calculations using a relativistic Fock-space coupled-cluster method and the configuration interaction approach combined with many-body perturbation theory.
doi: 10.1103/PhysRevA.102.052812
2020SA10 New Journal of Physics 22, 012001 (2020) B K.Sahoo, A.R.Vernon, R.F.Garcia Ruiz, C.L.Binnersley, J.Billowes, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, K.T.Flanagan, W.Gins, R.P.de Groote, A.Koszorus, G.Neyens, K.M.Lynch, F.Parnefjord-Gustafsson, C.M.Ricketts, K.D.A.Wendt, S.G.Wilkins, X.F.Yang Analytic response relativistic coupled-cluster theory: the first application to indium isotope shifts NUCLEAR STRUCTURE 103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127In; calculated charge rms radii, isomer shift values using the relativistic coupled-cluster (CC) theory framework to determine the atomic field shift and mass shift (MS) factors.
doi: 10.1088/1367-2630/ab66dd
2019KO19 Phys.Rev. C 100, 034304 (2019) A.Koszorus, X.F.Yang, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, R.P.de Groote, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, S.Geldhof, W.Gins, A.Kanellakopoulos, K.M.Lynch, G.Neyens, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins Precision measurements of the charge radii of potassium isotopes NUCLEAR MOMENTS 38,39,42,44,46,47K; measured hyperfine structures (hfs) for 4s2S1/2 to 4p2P1/2 atomic transition using Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE-CERN; deduced isotope shifts, mean-square charge radii, and changes in the mean-square charge radii with reference to 47K. The potassium isotopes were produced at the CERN-ISOLDE facility in U(p, X), E=1.4 GeV reaction using UCx target, high-resolution mass separator (HRS), and gas-filled linear Paul trap (ISCOOL).
doi: 10.1103/PhysRevC.100.034304
2019SE04 Phys.Rev. C 99, 044306 (2019) S.Sels, T.Day Goodacre, B.A.Marsh, A.Pastore, W.Ryssens, Y.Tsunoda, N.Althubiti, B.Andel, A.N.Andreyev, D.Atanasov, A.E.Barzakh, M.Bender, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, J.Dobaczewski, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, P.-H.Heenen, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, T.Otsuka, J.P.Ramos, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya Shape staggering of midshell mercury isotopes from in-source laser spectroscopy compared with density-functional-theory and Monte Carlo shell-model calculations NUCLEAR MOMENTS 177,178,179,180,181,182,183,184,185,185mHg; measured hyperfine structure (hfs) spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method combined with decay spectroscopy, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE facility; deduced magnetic dipole moments, and spectroscopic quadrupole moments, configurations. Comparison with theoretical calculations using density functional theory (DFT) with Skyrme parametrizations, and Monte Carlo shell model (MCSM). Ions of Hg activities produced in Pb(p, X), E=1.4 GeV, using molten lead target. NUCLEAR REACTIONS Pb, U(p, X)177Hg/178Hg/179Hg/180Hg/181Hg/182Hg/183Hg/184Hg/185Hg/185mHg, E=1.4 GeV from PS-Booster synchrotron; measured production yields for different target-ion source configurations: VADLIS or RILIS at CERN-ISOLDE facility.
doi: 10.1103/PhysRevC.99.044306
2019XI07 Phys.Lett. B 797, 134805 (2019) L.Xie, X.F.Yang, C.Wraith, C.Babcock, J.Bieron, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, G.Gaigalas, M.Godefroid, C.Gorges, L.K.Grob, H.Heylen, P.Jonsson, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Sanchez, Y.Tsunoda, D.T.Yordanov Nuclear charge radii of 62-80Zn and their dependence on cross-shell proton excitations NUCLEAR MOMENTS 62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Zn; measured frequencies; deduced isotope shifts, mean square charge radii.
doi: 10.1016/j.physletb.2019.134805
2019YO06 Hyperfine Interactions 240, 67 (2019) D.T.Yordanov, M.Kowalska, K.Blaum, M.De Rydt, K.T.Flanagan, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen, H.Stroke Quadrupole moments of 29Mg and 33Mg NUCLEAR MOMENTS 29,33Mg; measured frequencies; deduced hyperfine parameters and quadrupole moments. Comparison with shell-model predictions.
doi: 10.1007/s10751-019-1609-4
2018GA36 Phys.Rev.X 8, 041005 (2018) R.F.Garcia Ruiz, A.R.Vernon, C.L.Binnersley, B.K.Sahoo, M.Bissell, J.Billowes, T.E.Cocolios, W.Gins, R.P.de Groote, K.T.Flanagan, A.Koszorus, K.M.Lynch, G.Neyens, C.M.Ricketts, K.D.A.Wendt, S.G.Wilkins, X.F.Yang High-Precision Multiphoton Ionization of Accelerated Laser-Ablated Species NUCLEAR MOMENTS 113,115In; measured frequencies; deduced hyperfine structure values, isotope shifts, nuclear magnetic dipole and electric quadrupole moments. Comparison with available data.
doi: 10.1103/PhysRevX.8.041005
2018HA30 Phys.Rev.Lett. 121, 102501 (2018) M.Hammen, W.Nortershauser, D.L.Balabanski, M.L.Bissell, K.Blaum, I.Budincevic, B.Cheal, K.T.Flanagan, N.Frommgen, G.Georgiev, Ch.Geppert, M.Kowalska, K.Kreim, A.Krieger, W.Nazarewicz, R.Neugart, G.Neyens, J.Papuga, P.-G.Reinhard, M.M.Rajabali, S.Schmidt, D.T.Yordanov From Calcium to Cadmium: Testing the Pairing Functional through Charge Radii Measurements of 100-130Cd NUCLEAR MOMENTS 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130Cd; measured frequencies; deduced differences in mean-square nuclear charge radii, isotope shifts. Comparison with density functional theory predictions.
doi: 10.1103/PhysRevLett.121.102501
2018LY01 Phys.Rev. C 97, 024309 (2018) K.M.Lynch, S.G.Wilkins, J.Billowes, C.L.Binnersley, M.L.Bissell, K.Chrysalidis, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, R.Heinke, A.Koszorus, B.A.Marsh, P.L.Molkanov, P.Naubereit, G.Neyens, C.M.Ricketts, S.Rothe, C.Seiffert, M.D.Seliverstov, H.H.Stroke, D.Studer, A.R.Vernon, K.D.A.Wendt, X.F.Yang Laser-spectroscopy studies of the nuclear structure of neutron-rich radium NUCLEAR MOMENTS 222,223,224,225,226,227,228,229,230,231,232,233Ra; measured high-resolution hyperfine-structure spectra, isotope shifts, changes in mean-square charge; deduced King-plot for the extraction of the F and M atomic factors, odd-even staggering. 223,225,227,229,231Ra; deduced hyperfine factors A and B, static magnetic dipole and electric quadrupole moments. Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE, CERN facility. Radium isotopes produced by impinging 1.4-GeV protons on a thick uranium-carbide target followed by surface and multistep laser resonance ionization using RILIS ion source, and mass separation with the high resolution separator, then cooled and bunched using the ISOLDE linear Paul trap, ISCOOL. Comparison with previous experimental values. Systematics of intrinsic quadrupole moments for N=130-146 U, Th, Ra and Rn isotopes, and those of odd-even staggering for N=132-144 Fr and Ra isotopes.
doi: 10.1103/PhysRevC.97.024309
2018YA11 Phys.Rev. C 97, 044324 (2018) X.F.Yang, Y.Tsunoda, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, C.Gorges, L.K.Grob, H.Heylen, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Sanchez, C.Wraith, L.Xie, D.T.Yordanov Investigating the large deformation of the 5/2+ isomeric state in 73Zn: An indicator for triaxiality NUCLEAR MOMENTS 73,73mZn; measured hyperfine structure spectra using collinear laser spectroscopy (COLLAPS) at CERN-ISOLDE; deduced spins of ground state and isomer, estimated half-life of the isomer, and found no evidence for a previously proposed 5.6-s isomer. 73,73mZn produced by impinging UCx target by 1.4 GeV protons, and ionized by the resonant ionization laser-ion source (RILIS). 69m,71m,73m,75,77,79Zn; calculated quadrupole moments of ground states and isomers using shell model with JUN45 and A3DA-m interactions, and compared with experimental results from experiments at ISOLDE-CERN. Discussed collectivity in 73Zn. NUCLEAR STRUCTURE 71,72,73,74,75Zn; calculated potential energy surfaces (PES) of high-spin states in 71,73,75Zn, and 0+, 2+, and 4+ states in 72,74Zn in (Q2, Q4) plane using Monte Carlo shell model (MCSM). 73Zn; calculated levels, J, π, T plots of levels in 73Zn, and compared with experimental data.
doi: 10.1103/PhysRevC.97.044324
2017DE30 Phys.Rev. C 96, 041302 (2017) R.P.de Groote, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, A.Koszorus, K.M.Lynch, G.Neyens, F.Nowacki, T.Otsuka, S.Rothe, H.H.Stroke, Y.Tsunoda, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins, Z.Y.Xu, X.F.Yang Dipole and quadrupole moments of 73-78Cu as a test of the robustness of the Z = 28 shell closure near 78Ni NUCLEAR MOMENTS 73,74,75,76,77,78Cu; measured hyperfine spectra using Collinear Resonance Ionization Spectroscopy (CRIS) at CERN-ISOLDE facility; deduced hyperfine A and B parameters, magnetic dipole moments, electric quadrupole moments for the ground states, spins of 76,77Cu ground states. Comparison with large-scale shell-model calculations using A3DA-m and PFSDG-U interactions. The Cu isotopes produced in U(p, F), E=1.4 GeV reaction followed by laser ionization using the resonant ionization laser ion source (RILIS), and mass separation using the high-resolution separator.
doi: 10.1103/PhysRevC.96.041302
2017FA09 Phys.Rev. C 96, 044324 (2017) G.J.Farooq-Smith, A.R.Vernon, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, K.M.Lynch, B.A.Marsh, G.Neyens, S.Rothe, H.H.Stroke, S.G.Wilkins, X.F.Yang Probing the 31Ga ground-state properties in the region near Z=28 with high-resolution laser spectroscopy NUCLEAR MOMENTS 65,67,69,75,79,80,80m,81,82Ga; measured hyperfine spectra using Collinear Resonance Ionization Spectroscopy (CRIS) technique at ISOLDE-CERN facility; deduced hyperfine structure constants, magnetic-dipole moments, electric-quadrupole moments, isotope-shifts, changes in rms charge radii, proton and neutron orbital occupations. Comparison with shell-model calculations using the GXPF1 and JUN45 interactions, and with previous experimental measurements. Systematics of g factors and quadrupole moments in N=28-40 Ga and Cu nuclei. Beams of Ga isotopes produced in U(n, F), with neutrons from W(p, X), E=1.4 GeV at ISOLDE-CERN, followed by laser ionization using the Resonance Ionization Laser Ion Source (RILIS), and mass separation by using the high-resolution mass separator and subsequent cooling and bunching using the ISOLDE cooler buncher (ISCOOL).
doi: 10.1103/PhysRevC.96.044324
2017NE04 J.Phys.(London) G44, 064002 (2017) R.Neugart, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, G.Neyens, W.Nortershauser, D.T.Yordanov Collinear laser spectroscopy at ISOLDE: new methods and highlights NUCLEAR MOMENTS 31Mg, 38,39,42,44,46,47,48,49,50,51K, 40,43,44,45,46,47,48,49,50,51,52Ca, 51,53,54,55,56,57,58,59,60,61,62,63,64Mn, 58,59,60,61,62,63,64,65,66,67,68,70Ni, 58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75Cu, 62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80Zn, 63,64Ga, 66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81Ga, 100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129Cd, 109Sn, 112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133,134Sn; measured fluorescence; deduced hyperfine structure (hfs) spectra, nuclear magnetic and quadrupole moments, radii.
doi: 10.1088/1361-6471/aa6642
2017VE01 Phys.Rev. C 95, 054320 (2017) D.Verney, D.Testov, F.Ibrahim, Yu.Penionzhkevich, B.Roussiere, V.Smirnov, F.Didierjean, K.Flanagan, S.Franchoo, E.Kuznetsova, R.Li, B.Marsh, I.Matea, H.Pai, E.Sokol, I.Stefan, D.Suzuki Pygmy Gamow-Teller resonance in the N=50 region: New evidence from staggering of β-delayed neutron-emission probabilities RADIOACTIVITY 82,83,84Ga(β-), (β-n)[from 238U(γ, F), E<50 MeV bremsstrahlung beam followed by ionization using RILIS and PARRNe on-line separator at ALTO ISOL facility]; measured Eγ, Iγ, β spectrum, β-gated γ and β(neutron)-gated γ spectra, delayed neutrons, %β-n and half-lives of decays of 82,83,84Ga using 4π long-counter TETRA for neutrons; deduced systematics of %β-n values, B(GT) strengths. 81,82,83,84Ge; deduced levels.
doi: 10.1103/PhysRevC.95.054320
2017WI11 Phys.Rev. C 96, 034317 (2017) S.G.Wilkins, K.M.Lynch, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, H.Heylen, A.Koszorus, G.Neyens, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, X.F.Yang Quadrupole moment of 203Fr NUCLEAR MOMENTS 203,207Fr; measured hyperfine spectra, ground-state spins, isotope shifts, magnetic dipole moments, spectroscopic quadrupole, and mean-square charge radii using high-resolution collinear resonance ionization spectroscopy (CRIS) at ISOLDE-CERN facility. 203,207Fr produced in U(p, X), E=1.4 GeV, using uranium carbide target, followed by mass separation using high-resolution separator (HRS) at ISOLDE. Comparison with literature values. 203Fr; deduced intrinsic quadrupole moment and calculated static and total deformation parameters β2. Systematics of quadrupole moments for N=110-126 Bi, Po and Fr isotopes.
doi: 10.1103/PhysRevC.96.034317
2016BI08 Phys.Rev. C 93, 064318 (2016) M.L.Bissell, T.Carette, K.T.Flanagan, P.Vingerhoets, J.Billowes, K.Blaum, B.Cheal, S.Fritzsche, M.Godefroid, M.Kowalska, J.Kramer, R.Neugart, G.Neyens, W.Nortershauser, D.T.Yordanov Cu charge radii reveal a weak sub-shell effect at N=40 ATOMIC PHYSICS 58,59,60,61,62,63,64,65,66,67,68,68m,69,70,70m,71,72,73,74,75Cu; measured isotope shifts, and mean-square charge radii using collinear laser spectroscopy at the CERN-ISOLDE radioactive ion beam facility. The Cu isotopes were produced in Zr(p, X), E=1.4 GeV reaction using RILIS laser ion source and linear Paul trap ISCOOL for separation. Comparison with muonic atomic data, and state-of-the-art atomic physics calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method.
doi: 10.1103/PhysRevC.93.064318
2016BU27 Acta Phys.Pol. B47, 627 (2016) P.A.Butler, R.D.Page, K.Blaum, M.Grieser, T.Davinson, P.J.Woods, K.Flanagan, S.J.Freeman, I.H.Lazarus, Yu.A.Litvinov, R.Raabe, E.Siesling, F.Wenander TSR: A Storage Ring for HIE-ISOLDE
doi: 10.5506/APhysPolB.47.627
2016FA11 Phys.Rev. C 94, 054305 (2016); Pub.Note Phys. Rev. C 94, 059903 (2016) G.J.Farooq-Smith, T.E.Cocolios, J.Billowes, M.L.Bissell, I.Budincevic, T.Day Goodacre, R.P.de Groote, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, K.M.Lynch, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.F.Yang Laser and decay spectroscopy of the short-lived isotope 214Fr in the vicinity of the N=126 shell closure NUCLEAR MOMENTS 214Fr; measured hyperfine structure, isotope shifts, g factors, and change in mean-square charge-radii using collinear resonance ionization spectroscopy (CRIS) technique at ISOLDE-CERN facility. Comparison with mean square charge-radii values just before and after N=126 shell closure for Hg to Ra nuclei. RADIOACTIVITY 214Fr, 214Ra, 210Rn(α)[214Fr from U(p, X), E=1.4 GeV at ISOLDE-CERN, using high resolution mass separator and ISCOOL radio-frequency gas-filled linear Paul trap]; measured α-spectra.
doi: 10.1103/PhysRevC.94.054305
2016LY01 Phys.Rev. C 93, 014319 (2016) K.M.Lynch, T.E.Cocolios, J.Billowes, M.L.Bissell, I.Budincevic, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.Yang Combined high-resolution laser spectroscopy and nuclear decay spectroscopy for the study of the low-lying states in 206Fr, 202At, and 198Bi NUCLEAR REACTIONS U(p, F)206Fr/206mFr, E=1.4 GeV; measured collinear resonance ionization spectrum of 3(+) g.s., 7(+) and 10(-) isomers relative to that for 221Fr using ISCOOL setup at ISOLDE-CERN. ATOMIC PHYSICS 206,206mFr; measured hyperfine structure, collinear resonance ionization spectrum for 206Fr, 206m1Fr and 206m2Fr; deduced nuclear spin, hyperfine structure parameters of atomic levels, isotope shifts, isomer shifts for ground state and isomers of 206Fr. NUCLEAR MOMENTS 206,206mFr; measured hyperfine structure with collinear resonance ionization spectroscopy of 206Fr, 206m1Fr and 206m2Fr using CRIS at CERN-ISOLDE; deduced levels, J, magnetic dipole and electric quadrupole moments, isotope and isomer shifts, rms charge radii. Comparison with previous experimental values. RADIOACTIVITY 206,206mFr, 202,202mAt(α)[206Fr from U(p, F), E=1.4 GeV; 202At from 206Fr α decay]; measured Eα, Iα, α-decay branching ratios for decays of 206Fr, 206m1Fr, 206m2Fr, 202At, 202m1At and 202m2At using laser-assisted nuclear decay spectroscopy at ISOLDE-CERN. 198Bi, 202At; deduced levels, isomers, J, π, α-hindrance factors, configurations. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.93.014319
2016TE09 Nucl.Instrum.Methods Phys.Res. A815, 96 (2016) D.Testov, D.Verney, B.Roussiere, J.Bettane, F.Didierjean, K.Flanagan, S.Franchoo, F.Ibrahim, E.Kuznetsova, R.Li, B.Marsh, I.Matea, Yu.Penionzhkevich, H.Pai, V.Smirnov, E.Sokol, I.Stefan, D.Suzuki, J.N.Wilson The 3He long-counter TETRA at the ALTO ISOL facility RADIOACTIVITY 82Ga(β-n), (β-); measured decay products, Eγ, Iγ, En, In; deduced γ-ray energies and intensities, T1/2, neutron emission branching ratio. Comparison with available data.
doi: 10.1016/j.nima.2015.11.150
2016YA02 Phys.Rev.Lett. 116, 182502 (2016) X.F.Yang, C.Wraith, L.Xie, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, K.T.Flanagan, R.F.Garcia Ruiz, W.Gins, C.Gorges, L.K.Grob, H.Heylen, S.Kaufmann, M.Kowalska, J.Kraemer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, R.Sanchez, D.T.Yordanov Isomer Shift and Magnetic Moment of the Long-Lived 1/2+ Isomer in 7930Zn49: Signature of Shape Coexistence near 78Ni NUCLEAR MOMENTS 67,79Zn [from U(p, X), E=1.4 GeV]; measured hyperfine spectra of the ground and isomeric states; deduced nuclear moments, g factors, root-mean-square charge radii. Comparison with available data.
doi: 10.1103/PhysRevLett.116.182502
2016YO01 Phys.Rev.Lett. 116, 032501 (2016) D.T.Yordanov, D.L.Balabanski, M.L.Bissell, K.Blaum, I.Budincevic, B.Cheal, K.Flanagan, N.Frommgen, G.Georgiev, Ch.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, J.Meng, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, J.Papuga, S.Schmidt, P.W.Zhao Simple Nuclear Structure in 111-129Cd from Atomic Isomer Shifts NUCLEAR MOMENTS 111,113,115,117,119,121,123,125,127,129Cd; measured spectral lines; deduced isomer shifts and differential mean square charge radii, quadrupole moments. Comparison with covariant density functional theory.
doi: 10.1103/PhysRevLett.116.032501
2015DE28 Phys.Rev.Lett. 115, 132501 (2015) R.P.de Groote, I.Budincevic, J.Billowes, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, K.M.Lynch, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.Yang Use of a Continuous Wave Laser and Pockels Cell for Sensitive High-Resolution Collinear Resonance Ionization Spectroscopy NUCLEAR MOMENTS 219,221Fr; measured resonance ionization and hyperfine spectra; deduced spectroscopic quadrupole moment values. Comparison with available data.
doi: 10.1103/PhysRevLett.115.132501
2015FI07 Phys.Rev.X 5, 011018 (2015) D.A.Fink, T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.Ghys, A.Gottberg, M.Huyse, N.Imai, T.Kron, N.Lecesne, K.M.Lynch, B.A.Marsh, D.Pauwels, E.Rapisarda, S.D.Richter, R.E.Rossel, S.Rothe, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, K.D.A.Wendt In-Source Laser Spectroscopy with the Laser Ion Source and Trap: First Direct Study of the Ground-State Properties of 217, 219Po NUCLEAR MOMENTS 216,217,218Po [from 238U(p, X), E=1.4 GeV]; measured resonance spectra, Eα, Iα; deduced g-factors, mean-square charge radii, electromagnetic nuclear moments. In-source laser spectroscopy. RADIOACTIVITY 219Po(α) [from 238U(p, X), E=1.4 GeV]; measured decay spectra, Eα, Iα; deduced α-decay spectra, branching ratios, T1/2, hindrance factors. Comparison with available data.
doi: 10.1103/PhysRevX.5.011018
2015FR08 Eur.Phys.J. D 69, 164 (2015) N.Frommgen, D.L.Balabanski, M.L.Bissell, J.Bieron, K.Blaum, B.Cheal, K.Flanagan, S.Fritzsche, C.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, R.Neugart, G.Neyens, M.M.Rajabali, W.Nortershauser, J.Papuga, D.T.Yordanov Collinear laser spectroscopy of atomic cadmium NUCLEAR MOMENTS 107,109,111,113,115,117,119,121,123Cd; measured frequencies; deduced hyperfine structure factors, nuclear magnetic moments and electric quadrupole moments. Comparison with multi-configuration Dirac-Hartree-Fock calculations. Colinear laser spectroscopy at Isolde.
doi: 10.1140/epjd/e2015-60219-0
2014BU06 Phys.Rev. C 90, 014317 (2014) I.Budincevic, J.Billowes, M.L.Bissell, T.E.Cocolios, R.P.de Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, K.M.Lynch, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Laser spectroscopy of francium isotopes at the borders of the region of reflection asymmetry NUCLEAR MOMENTS 218m,219,229,231Fr; measured hyperfine spectra, isotope shifts using Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE-CERN facility; deduced rms charge radii, magnetic dipole moments, nuclear g factors, configuration. Comparison with previous experimental results. Discussed charge radii odd-even staggering. Reflection-asymmetric shapes. RADIOACTIVITY 218mFr(α); measured Eα, half-life.
doi: 10.1103/PhysRevC.90.014317
2014LY01 Phys.Rev.X 4, 011055 (2014) K.M.Lynch, J.Billowes, M.L.Bissell, I.Budincevic, T.E.Cocolios, R.P.De Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Decay-Assisted Laser Spectroscopy of Neutron-Deficient Francium RADIOACTIVITY 202,203,204,205,206,218,219,221,229,231Fr(α) [from U(p, X), E=1.4 GeV]; measured decay products, hyperfine structure, Eα, Iα; deduced T1/2, magnetic moments, charge radii, quadrupole deformation parameters, yields of neutron-deficient francium isotopes, nuclear g factors. Comparison with available data.
doi: 10.1103/PhysRevX.4.011055
2014SE07 Phys.Rev. C 89, 034323 (2014) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Electromagnetic moments of odd-A 193-203, 211Po isotopes RADIOACTIVITY 193Po, 193mPo, 195Po, 195mPo, 197Po, 197mPo, 199Po, 199mPo, 201Po, 201mPo, 203Po, 203mPo, 209Po, 211Po(α)[from 238U(p, F), E=1.4 GeV followed by mass separation]; measured Eα, Eγ, hyperfine splitting parameters for low-spin ground state and high-spin Po activities using in-source resonance ionization spectroscopy technique, and Wildmill chamber at ISOLDE-CERN facility; deduced magnetic dipole and spectroscopic electric quadrupole moments. Comparison with particle-plus-rotor model calculations. NUCLEAR MOMENTS 193,193m,195,195m,197,197m,199,199m,201,201m,203,203m,209,211Po; measured hyperfine splitting constants; magnetic dipole moments, and spectroscopic electric quadrupole moments, quadrupole deformation parameters using online mass separator and in-source resonance ionization spectroscopy technique at ISOLDE-CERN facility. Comparison with predictions of particle-plus-rotor model calculations, and with previous experimental results. Discussed configuration mixing. Systematics of magnetic moments for 3/2- and 13/2+ states in 187,189,191,193,195Pt, 185,187,189,191,193,195Hg, 187,189,191,193,195,197,199Pb, 193,195,197,199,201,203,205,207Po.
doi: 10.1103/PhysRevC.89.034323
2013FL02 Acta Phys.Pol. B44, 627 (2013) Recent Advances in Laser Spectroscopy at ISOLDE ATOMIC PHYSICS 207Fr; measured collinear resonant ionization spectra.
doi: 10.5506/APhysPolB.44.627
2013FL09 Phys.Rev.Lett. 111, 212501 (2013) K.T.Flanagan, K.M.Lynch, J.Billowes, M.L.Bissell, I.Budincevic, T.E.Cocolios, R.P.de Groote, S.De Schepper, V.N.Fedosseev, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Collinear Resonance Ionization Spectroscopy of Neutron-Deficient Francium Isotopes NUCLEAR MOMENTS 202,203,204,205Fr; measured hyperfine spectra, isotope shifts; deduced charge radii, nuclear magnetic moments.
doi: 10.1103/PhysRevLett.111.212501
2013SE03 Phys.Lett. B 719, 362 (2013) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Charge radii of odd-A 191-211Po isotopes NUCLEAR MOMENTS 191,193,195,197,199,201,203,209,211Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.
doi: 10.1016/j.physletb.2013.01.043
2012CH51 J.Phys.:Conf.Ser. 381, 012071 (2012) B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, Ch.Geppert, M.Kowalska, K.Kreim, A.Krieger, J.Kramer, K.M.Lynch, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, T.J.Procter, M.M.Rajabali, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Laser spectroscopy of gallium isotopes beyond N = 50 NUCLEAR MOMENTS 82Ga; measured nuclear moments using laser spectroscopy; deduced hfs, hyperfine coefficients, g-factor, magnetic dipole moment, electric quadrupole from fitting observed hfs of the ground state.
doi: 10.1088/1742-6596/381/1/012071
2012CO24 J.Phys.:Conf.Ser. 381, 012072 (2012) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Early onset of deformation in the neutron-deficient polonium isotopes ATOMIC PHYSICS 191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218Po[from high-energy proton-induced spallation of 238U]; measured Eα, Iα, Eβ, Iβ, Eγ, Ιg; deduced even-A charge radius. 199g,199mPo deduced hyperfine spectra, γ transition energy, intensity. Compared with earlier papers.
doi: 10.1088/1742-6596/381/1/012072
2012FL05 J.Phys.(London) G39, 125101 (2012) K.T.Flanagan, J.Billowes, P.Campbell, B.Cheal, G.D.Dracoulis, D.H.Forest, M.D.Gardner, J.Huikari, A.Jokinen, B.A.Marsh, R.Moore, A.Nieminen, H.Penttila, H.L.Thayer, G.Tungate, J.Aysto Nuclear moments, charge radii and spins of the ground and isomeric states in 175Yb and 177Yb NUCLEAR MOMENTS 175,177Yb; measured hyperfine structures; deduced static moments and changes in mean-square charge radii. Collinear laser spectroscopy at the IGISOL facility, comparison with Nilsson model.
doi: 10.1088/0954-3899/39/12/125101
2012LY04 J.Phys.:Conf.Ser. 381, 012128 (2012) K.M.Lynch, M.M.Rajabali, H.Aghaei-Khozani, J.Billowes, M.L.Bissell, F.Le Blanc, B.Cheal, T.E.Cocolios, S.De Schepper, K.Dewolf, K.T.Flanagan, M.Hori, T.Kobayashi, B.A.Marsh, G.Neyens, J.Papuga, T.J.Procter, S.Rothe, G.Simpson, A.J.Smith, H.H.Stroke, K.Wendt Laser assisted decay spectroscopy at the CRIS beam line at ISOLDE
doi: 10.1088/1742-6596/381/1/012128
2012PR11 Phys.Rev. C 86, 034329 (2012) T.J.Procter, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, B.Cheal, K.T.Flanagan, D.H.Forest, S.Fritzsche, Ch.Geppert, H.Heylen, M.Kowalska, K.Kreim, A.Krieger, J.Kramer, K.M.Lynch, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, M.M.Rajabali, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Nuclear mean-square charge radii of 63, 64, 66, 68-82Ga nuclei: No anomalous behavior at N=32 NUCLEAR REACTIONS Zr(p, X)63Ga/64Ga/66Ga/68Ga/69Ga/70Ga/71Ga/72Ga/73Ga/74Ga/75Ga/76Ga/77Ga/78Ga/79Ga/80Ga/80mGa/81Ga/82Ga, E=1.4 GeV; measured optical spectra, hyperfine coefficients, isotope shifts, mean-square charge radii, J, magnetic dipole and electric quadrupole moments using collinear laser spectroscopy. RILIS source at ISOLDE, CERN facility. NUCLEAR MOMENTS 63,64,66,68,69,70,71,72,73,74,75,76,77,78,79,80,80m,81,82Ga; measured optical spectra, hyperfine coefficients, isotope shifts, mean-square charge radii, J, magnetic dipole and electric quadrupole moments using collinear laser spectroscopy. RILIS source at ISOLDE, CERN facility. Comparison with shell-model calculations. Z=30, 32, N=30-55; systematics of energies of first 2+ states and E(first 4+)/E(first 2+). Z=28, 30, 31, 36, N=3-0-52; systematics of mean-square charge radii.
doi: 10.1103/PhysRevC.86.034329
2012PR15 J.Phys.:Conf.Ser. 381, 012070 (2012) T.J.Procter, H.Aghaei-Khozani, J.Billowes, M.L.Bissell, F.Le Blanc, B.Cheal, T.E.Cocolios, K.T.Flanagan, H.Hori, T.Kobayashi, D.Lunney, K.M.Lynch, B.A.Marsh, G.Neyens, J.Papuga, M.M.Rajabali, S.Rothe, G.Simpson, A.J.Smith, H.H.Stroke, W.Vanderheijden, K.Wendt Development of the CRIS (Collinear Resonant Ionisation Spectroscopy) beam line
doi: 10.1088/1742-6596/381/1/012070
2011CO01 Phys.Rev.Lett. 106, 052503 (2011) T.E.Cocolios, W.Dexters, M.D.Seliverstov, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy, M.Bender, P.-H.Heenen Early Onset of Ground State Deformation in Neutron Deficient Polonium Isotopes NUCLEAR REACTIONS U(p, X)192Po/194Po/196Po/198Po/200Po/202Po/204Po/206Po/208Po/210Po/216Po/218Po, E=1.4 GeV; measured reaction products, Ee, Ie, Eα, Iα; deduced isotope shifts, mean-square charge radii. Comparison with systematics and FRDM calculations.
doi: 10.1103/PhysRevLett.106.052503
2011KO36 Phys.Rev. C 84, 034320 (2011) U.Koster, N.J.Stone, K.T.Flanagan, J.Rikovska Stone, V.N.Fedosseev, K.L.Kratz, B.A.Marsh, T.Materna, L.Mathieu, P.L.Molkanov, M.D.Seliverstov, O.Serot, A.M.Sjodin, Yu.M.Volkov In-source laser spectroscopy of 75, 77, 78Cu: Direct evidence for a change in the quasiparticle energy sequence in 75, 77Cu and an absence of longer-lived isomers in 78Cu NUCLEAR MOMENTS 59,63,75,77,78Cu; measured hyperfine structure factors, isotope shifts using in-source laser spectroscopy technique at ISOLDE-CERN facility; deduced magnetic dipole moments and nuclear spins of 75,77,78Cu. Systematics of magnetic dipole moments of A=57-78 copper isotopes. Comparisons with shell-model calculations. Observed collapsed hyperfine structure for 78Cu. No evidence of long-lived isomers in 77,78Cu from observed hyperfine structures.
doi: 10.1103/PhysRevC.84.034320
2011MA45 Phys.Rev. C 84, 024303 (2011) E.Mane, B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, Ch.Geppert, M.Kowalska, A.Krieger, J.Kramer, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Ground-state spins and moments of 72, 74, 76, 78Ga nuclei NUCLEAR MOMENTS 72,74,76,78,80Ga; measured hyperfine structure using laser spectroscopy and RILIS source at ISOLDE, CERN; deduced hyperfine structure parameters, ground state spins, magnetic dipole moments, electric quadrupole moments, configurations. Comparison with Shell Model calculations. NUCLEAR STRUCTURE 74,76,78,80Ga; calculated levels, J, π using shell-model with the jj44b effective interaction, and proton configuration. 71,73,75,77,79,81Ga; calculated percentage occupation of the πp3/2 and πf5/2 orbitals in the ground states.
doi: 10.1103/PhysRevC.84.024303
2011VI03 Phys.Lett. B 703, 34 (2011) P.Vingerhoets, K.T.Flanagan, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, T.J.Procter, M.M.Rajabali, R.Sanchez, H.H.Stroke, D.T.Yordanov Magnetic and quadrupole moments of neutron deficient 58-62Cu isotopes NUCLEAR MOMENTS 58,59,60,61,62Cu; measured hyperfine spectrum; deduced ground state nuclear moments, g factors, quadrupole moments, ground-state hyperfine parameters. Comparison with large-scale shell model calculations, GXPF1A effective interaction. NUCLEAR STRUCTURE 57,58,59,60,61,62,63,64,65,66,67,68Cu; calculated level energies, J, π, g factors, quadrupole moments. GXPF1A effective interaction. Comparison with experimental data.
doi: 10.1016/j.physletb.2011.07.050
2010CH16 Phys.Rev.Lett. 104, 252502 (2010) B.Cheal, E.Mane, J.Billowes, M.L.Bissell, K.Blaum, B.A.Brown, F.C.Charlwood, K.T.Flanagan, D.H.Forest, C.Geppert, M.Honma, A.Jokinen, M.Kowalska, A.Krieger, J.Kramer, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Nuclear Spins and Moments of Ga Isotopes Reveal Sudden Structural Changes between N=40 and N=50 NUCLEAR REACTIONS U(p, X)67Ga/69Ga/71Ga/73Ga/75Ga/77Ga/79Ga/81Ga, E=1.4 GeV; measured optical hfs spectra; deduced ground J, π, magnetic dipole and electric quadrupole moments, anomalous ground state spins.
doi: 10.1103/PhysRevLett.104.252502
2010CH36 J.Phys.(London) G37, 113101 (2010) Progress in laser spectroscopy at radioactive ion beam facilities
doi: 10.1088/0954-3899/37/11/113101
2010CH50 Phys.Rev. C 82, 051302 (2010) B.Cheal, J.Billowes, M.L.Bissell, K.Blaum, F.C.Charlwood, K.T.Flanagan, D.H.Forest, S.Fritzsche, Ch.Geppert, A.Jokinen, M.Kowalska, A.Krieger, J.Kramer, E.Mane, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, M.Schug, H.H.Stroke, P.Vingerhoets, D.T.Yordanov, M.Zakova Discovery of a long-lived low-lying isomeric state in 80Ga NUCLEAR MOMENTS 80Ga; measured optical hyperfine structure spectra, spins, magnetic dipole moments, electric quadrupole moments, half-lives using Collinear laser spectroscopy at ISOLDE, CERN. 80Ga; deduced levels, J, π, isomer, configurations. Comparison with shell-model calculations in restricted and full pfg-model space with a 56Ni core
doi: 10.1103/PhysRevC.82.051302
2010CO13 J.Phys.(London) G37, 125103 (2010) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.Zemlyanoy Structure of 191Pb from α- and β-decay spectroscopy RADIOACTIVITY 191,193Bi(EC), 195Po(α); measured Eα, Iα, Eγ, Iγ; deduced branching ratios, α-decay fine structures, γ-ray energies and intensities, J, π, ICC. COMPILATION 191,193,195,197,199,201,203,205,207Pb; compiled experimental nuclear structure data.
doi: 10.1088/0954-3899/37/12/125103
2010FL02 Phys.Rev. C 82, 041302 (2010) K.T.Flanagan, P.Vingerhoets, M.L.Bissell, K.Blaum, B.A.Brown, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, A.Krieger, E.Mane, R.Neugart, G.Neyens, W.Nortershauser, M.Schug, H.H.Stroke, D.T.Yordanov Experimental determination of an Iπ=2- ground state in 72, 74Cu NUCLEAR MOMENTS 72Cu, 74Cu; measured resonance fluorescence spectra, hyperfine structure parameters, spins, static magnetic dipole and electric quadrupole moments of the ground states using collinear laser spectroscopy at the CERN on-Line Isotope Mass Separator (ISOLDE) facility. Comparison with shell-model calculations using the JUN45 interaction. NUCLEAR STRUCTURE 71,72,73,74,75Cu; calculated levels, J, π using large-scale shell-model calculations and several interactions.
doi: 10.1103/PhysRevC.82.041302
2010VI07 Phys.Rev. C 82, 064311 (2010) P.Vingerhoets, K.T.Flanagan, M.Avgoulea, J.Billowes, M.L.Bissell, K.Blaum, B.A.Brown, B.Cheal, M.De Rydt, D.H.Forest, Ch.Geppert, M.Honma, M.Kowalska, J.Kramer, A.Krieger, E.Mane, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, M.Schug, H.H.Stroke, G.Tungate, D.T.Yordanov Nuclear spins, magnetic moments, and quadrupole moments of Cu isotopes from N=28 to N=46: Probes for core polarization effects NUCLEAR MOMENTS 61,62,63,64,65,66,67,68,69,70,71,72,73,74,75Cu; measured hyperfine structure spectra, spins, magnetic dipole moments, electric quadrupole moments using collinear laser spectroscopy at CERN-ISOLDE. RILIS source and Paul trap ISCOOL. Comparison with shell-model calculations. NUCLEAR REACTIONS U(p, X)61Cu/62Cu/63Cu/64Cu/65Cu/66Cu/67Cu/68Cu/68mCu/69Cu/70Cu/70mCu/71Cu/72Cu/73Cu/74Cu/75Cu/, E=1.4 GeV; measured production yields. NUCLEAR STRUCTURE 57,58,59,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,77,79Cu; calculated levels, J, π, g factors and quadrupole moments using large-scale shell model starting from a 56Ni core
doi: 10.1103/PhysRevC.82.064311
2009FL03 Phys.Rev.Lett. 103, 142501 (2009) K.T.Flanagan, P.Vingerhoets, M.Avgoulea, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, M.De Rydt, V.N.Fedosseev, D.H.Forest, Ch.Geppert, U.Koster, M.Kowalska, J.Kramer, K.L.Kratz, A.Krieger, E.Mane, B.A.Marsh, T.Materna, L.Mathieu, P.L.Molkanov, R.Neugart, G.Neyens, W.Nortershauser, M.D.Seliverstov, O.Serot, M.Schug, M.A.Sjoedin, J.R.Stone, N.J.Stone, H.H.Stroke, G.Tungate, D.T.Yordanov, Yu.M.Volkov Nuclear Spins and Magnetic Moments of 71, 73, 75Cu: Inversion of π2p3/2 and π1f5/2 Levels in 75Cu NUCLEAR MOMENTS 71,73,75Cu; measured hfs spectra; deduced ground-state spins, magnetic moments, hyperfine parameters, shell inversion. Comparison with large-scale shell-model calculation.
doi: 10.1103/PhysRevLett.103.142501
2009KR05 Phys.Lett. B 678, 465 (2009) J.Kramer, K.Blaum, M.De Rydt, K.T.Flanagan, Ch.Geppert, M.Kowalska, P.Lievens, R.Neugart, G.Neyens, W.Nortershauser, H.H.Stroke, P.Vingerhoets, D.T.Yordanov Nuclear ground-state spin and magnetic moment of 21Mg NUCLEAR MOMENTS 21Mg [from Si(p, X), E=1.4 GeV]; measured hfs; deduced ground state spin, g-factor, μ using collinear laser spectroscopy and NMR; calculated J, π, configuration. Comparison with shell model calculations and discussed 21F and other mirror pairs.
doi: 10.1016/j.physletb.2009.06.063
2009LE26 Phys.Rev. C 80, 044308 (2009) M.Lebois, D.Verney, F.Ibrahim, S.Essabaa, F.Azaiez, M.C.Mhamed, E.Cottereau, P.V.Cuong, M.Ferraton, K.Flanagan, S.Franchoo, D.Guillemaud-Mueller, F.Hammache, C.Lau, F.Le Blanc, J.-F.Le Du, J.Libert, B.Mouginot, C.Petrache, B.Roussiere, L.Sagui, N.de Sereville, I.Stefan, B.Tastet Experimental study of 84Ga beta decay: Evidence for a rapid onset of collectivity in the vicinity of 78Ni RADIOACTIVITY 84gGa, 84mGa(β-), (β-n), 84Ge(β-)[from U(γ, X), E=0-50 MeV]; measured Eγ, Iγ, βγ-coin, half-lives. 84Ga, 84Ge, 84As, 83Ge; deduced levels, J, π, delayed-neutron emission probabilities, logft. 83Ge, 84As, 89,90,93,94,96Rb(β-); measured Eγ. PARRNe-ALTO facility. Implications for structure near doubly-magic 78Ni nucleus. Z=32-40 (even), N=52; N=42-54, Z=32; systematics of first 2+ and 4+ states. NUCLEAR STRUCTURE 74,76,78,80,82,84Ge; calculated potential energy surfaces (PES) and B(E2) using HFB+GCM approach.
doi: 10.1103/PhysRevC.80.044308
2009MA75 Eur.Phys.J. A 42, 503 (2009) E.Mane, J.Billowes, K.Blaum, P.Campbell, B.Cheal, P.Delahaye, K.T.Flanagan, D.H.Forest, H.Franberg, C.Geppert, T.Giles, A.Jokinen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, I.Podadera, G.Tungate, P.Vingerhoets, D.T.Yordanov An ion cooler-buncher for high-sensitivity collinear laser spectroscopy at ISOLDE NUCLEAR MOMENTS 46K; measured hfs. Testing of new laser spectroscopy technique.
doi: 10.1140/epja/i2009-10828-0
2009VE11 Int.J.Mod.Phys. E18, 1976 (2009) D.Verney, M.Lebois, F.Ibahim, S.Essabaa, F.Azaiez, M.C.Mhamed, E.Cottereau, P.V.Cuong, M.Ferraton, K.Flanagan, S.Franchoo, D.Guillemaud-Mueller, F.Hammache, C.Lau, F.Le Blanc, J.-F.Le Du, B.Mouginot, C.Petrache, B.Roussiere, L.Sagui, N.De Sereville, I.Stefan, B.Tastet Structure of the neutron rich Ga and Ge isotopes observed at alto RADIOACTIVITY 84Ga, 84Ge(β-); 84As, 83Ge; measured Eγ, Iγ; deduced level energies, J, π, β-n transitions.
doi: 10.1142/S0218301309014111
2008HI01 Phys.Lett. B 658, 203 (2008) P.Himpe, G.Neyens, D.L.Balabanski, G.Belier, J.M.Daugas, F.de Oliveira Santos, M.De Rydt, K.T.Flanagan, I.Matea, P.Morel, Yu.E.Penionzhkevich, L.Perrot, N.A.Smirnova, C.Stodel, J.C.Thomas, N.Vermeulen, D.T.Yordanov, Y.Utsuno, T.Otsuka g factor of the exotic N = 21 isotope 34Al: probing the N = 20 and N = 28 shell gaps at the border of the "island of inversion" RADIOACTIVITY 34Al(β-); measured β-assymetry. 34Al; deduced g-factor, μ; deduced ground state J, π and intruder configuration contribution.
doi: 10.1016/j.physletb.2007.11.017
2008ST12 Phys.Rev. C 77, 067302 (2008) N.J.Stone, U.Koster, J.Rikovska Stone, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, M.Hass, S.Lakshmi Magnetic dipole moments of 58Cu and 59Cu by in-source laser spectroscopy NUCLEAR MOMENTS 58,59Cu; measured magnetic moments, isotope shifts. In-source laser spectrometry. Comparison with theoretical data. 57,60,61,62,63,64,65,66,67,68,69Cu; comparison between theory and experiments.
doi: 10.1103/PhysRevC.77.067302
2007BI14 Phys.Lett. B 645, 330 (2007) M.L.Bissell, K.T.Flanagan, M.D.Gardner, M.Avgoulea, J.Billowes, P.Campbell, B.Cheal, T.Eronen, D.H.Forest, J.Huikari, A.Jokinen, I.D.Moore, A.Nieminen, H.Penttila, S.Rinta-Antila, B.Tordoff, G.Tungate, J.Aysto On the decrease in charge radii of multi-quasi particle isomers NUCLEAR MOMENTS 97mY, 176,176mYb, 178,178mHf; measured isomer shifts, μ, quadrupole moments, radii; deduced hyperfine structure coefficients. Laser spectroscopy.
doi: 10.1016/j.physletb.2006.12.054
2007CH07 Phys.Lett. B 645, 133 (2007) B.Cheal, M.D.Gardner, M.Avgoulea, J.Billowes, M.L.Bissell, P.Campbell, T.Eronen, K.T.Flanagan, D.H.Forest, J.Huikari, A.Jokinen, B.A.Marsh, I.D.Moore, A.Nieminen, H.Penttila, S.Rinta-Antila, B.Tordoff, G.Tungate, J.Aysto The shape transition in the neutron-rich yttrium isotopes and isomers NUCLEAR MOMENTS 86,87,87m,88,88m,89,89m,90,90m,92,93,93m,94,95,96,96m,97,97m,98,98m,99,100,101,102Y; measured isotope and isomer shifts, μ, quadrupole moments, radii, deformation. Laser spectroscopy.
doi: 10.1016/j.physletb.2006.12.053
2007YO06 Phys.Rev.Lett. 99, 212501 (2007) D.T.Yordanov, M.Kowalska, K.Blaum, M.De Rydt, K.T.Flanagan, P.Lievens, R.Neugart, G.Neyens, H.H.Stroke Spin and Magnetic Moment of 33Mg: Evidence for a Negative-Parity Intruder Ground State RADIOACTIVITY 33Mg(β-) [from U(p, X), E-1.4 GeV]; measured β-decay anisotropy using laser spectroscopy and nuclear magnetic resonance techniques. 33Mg deduced ground state spin and magnetic moment.
doi: 10.1103/PhysRevLett.99.212501
2006HI18 Phys.Lett. B 643, 257 (2006) P.Himpe, G.Neyens, D.L.Balabanski, G.Belier, D.Borremans, J.M.Daugas, F.de Oliveira Santos, M.De Rydt, K.Flanagan, G.Georgiev, M.Kowalska, S.Mallion, I.Matea, P.Morel, Yu.E.Penionzhkevich, N.A.Smirnova, C.Stodel, K.Turzo, N.Vermeulen, D.Yordanov g factors of 31, 32, 33Al: Indication for intruder configurations in the 33Al ground state NUCLEAR MOMENTS 31,32,33Al [from 9Be(36S, X), E=77.5 MeV/nucleon]; measured J, π of ground states, magnetic moments, hyperfine structure using laser and β-NMR spectroscopy; deduced g factors, magnetic dipole moments. Compared with shell-model calculations.
doi: 10.1016/j.physletb.2006.10.26
2004GA34 J.Phys.(London) G30, 1089 (2004) Yu.P.Gangrsky, K.P.Marinova, S.G.Zemlyanoi, I.D.Moore, J.Billowes, P.Campbell, K.T.Flanagan, D.H.Forest, J.A.R.Griffith, J.Huikari, R.Moore, A.Nieminen, H.Thayer, G.Tungate, J.Aysto Nuclear charge radii of neutron deficient titanium isotopes 44Ti and 45Ti NUCLEAR MOMENTS 44,45,46,47,48,49,50Ti; measured hfs, isotope shifts; deduced charge radii. Collinear laser spectroscopy.
doi: 10.1088/0954-3899/30/9/009
2003CH60 J.Phys.(London) G29, 2479 (2003) B.Cheal, M.Avgoulea, J.Billowes, P.Campbell, K.T.Flanagan, D.H.Forest, M.D.Gardner, J.Huikari, B.A.Marsh, A.Nieminen, H.L.Thayer, G.Tungate, J.Aysto Collinear laser spectroscopy of neutron-rich cerium isotopes near the N = 88 shape transition NUCLEAR MOMENTS 144,146,148Ce; measured isotope shifts; deduced relative charge radii. Collinear laser spectroscopy.
doi: 10.1088/0954-3899/29/11/003
2003TH03 J.Phys.(London) G29, 2247 (2003) H.L.Thayer, J.Billowes, P.Campbell, P.Dendooven, K.T.Flanagan, D.H.Forest, J.A.R.Griffith, J.Huikari, A.Jokinen, R.Moore, A.Nieminen, G.Tungate, S.Zemlyanoi, J.Aysto Collinear laser spectroscopy of radioisotopes of zirconium NUCLEAR MOMENTS 87,87m,88,89,89m,91,92,94,96,97,98,99,100,101,102Zr; measured hfs, isotope shifts; deduced μ, quadrupole moments, radii. Collinear laser spectroscopy.
doi: 10.1088/0954-3899/29/9/318
2002CA37 Phys.Rev.Lett. 89, 082501 (2002) P.Campbell, H.L.Thayer, J.Billowes, P.Dendooven, K.T.Flanagan, D.H.Forest, J.A.R.Griffith, J.Huikari, A.Jokinen, R.Moore, A.Nieminen, G.Tungate, S.Zemlyanoi, J.Aysto Laser Spectroscopy of Cooled Zirconium Fission Fragments NUCLEAR MOMENTS 97,99,101Zr; measured hfs, μ, quadrupole moments. 96,97,98,99,100,101,102Zr; measured isotope shifts, radii. On-line laser spectroscopy.
doi: 10.1103/PhysRevLett.89.082501
2002CA47 Eur.Phys.J. A 15, 45 (2002) P.Campbell, A.Nieminen, J.Billowes, P.Dendooven, K.T.Flanagan, D.H.Forest, Yu.P.Gangrsky, J.A.R.Griffith, J.Huikari, A.Jokinen, I.D.Moore, R.Moore, H.L.Thayer, G.Tungate, S.G.Zemlyanoi, J.Aysto First results from laser spectroscopy on bunched radioactive beams from the JYFL ion-beam cooler NUCLEAR MOMENTS 44,45,46,48,49,50Ti, 87,88,89Zr, 170,171,172,173,174,175,176,177,178,179,180Hf; measured hfs, charge radii. Ion-beam cooler, laser spectroscopy.
doi: 10.1140/epja/i2001-10223-y
2002FO12 J.Phys.(London) G28, L63 (2002) D.H.Forest, J.Billowes, P.Campbell, P.Dendooven, K.T.Flanagan, J.A.R.Griffith, J.Huikari, A.Jokinen, R.Moore, A.Nieminen, H.L.Thayer, G.Tungate, S.Zemlyanoi, J.Aysto Laser spectroscopy of neutron deficient zirconium isotopes NUCLEAR MOMENTS 87,87m,88,89,89mZr; measured hfs; deduced radii, μ, quadrupole moments, ground-state J. Collinear laser spectroscopy, cooled and bunched ion beams.
doi: 10.1088/0954-3899/28/12/101
2002MO31 Phys.Lett. 547B, 200 (2002) R.Moore, A.M.Bruce, P.Dendooven, J.Billowes, P.Campbell, A.Ezwam, K.T.Flanagan, D.H.Forest, J.Huikari, A.Jokinen, A.Nieminen, H.L.Thayer, G.Tungate, S.Zemlyanoi, J.Aysto Character of an 8- isomer of 130Ba RADIOACTIVITY 130mBa(IT) [from 133Cs(d, 5n)]; measured Eγ, Iγ, T1/2. NUCLEAR MOMENTS 130mBa; measured μ, static quadrupole moment, isomer shift. 130Ba levels deduced configurations, deformation. Collinear laser spectroscopy.
doi: 10.1016/S0370-2693(02)02784-3
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