NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = M.Kowalska Found 91 matches. 2024CH10 Appl.Radiat.Isot. 205, 111174 (2024) M.Chojnacki, K.Kulesz, I.Michelon, N.Azaryan, E.Barbero, B.Crepieux, R.Lica, L.Murawski, M.Ziemba, M.Piersa-Silkowska, K.Vitulova, A.Korgul, R.B.Jolivet, R.Prokopowicz, U.Koster, M.Kowalska Production of 129mXe and 131mXe via neutron activation of 128Xe and 130Xe at ILL-RHF and NCBJ-MARIA high-flux reactors NUCLEAR REACTIONS 128,130Xe(n, γ), E thermal; measured reaction products, Eγ, Iγ; deduced yields, σ. Comparison with available data. The high-flux reactor MARIA located at the National Centre for Nuclear Research (NCBJ) in Swierk, Poland.
doi: 10.1016/j.apradiso.2024.111174
2023DA19 Phys.Rev. C 108, 064304 (2023) P.Das, U.Datta, S.Chakraborty, A.Rahaman, O.Tengblad, B.K.Agrawal, A.Becerril, J.Cederkall, J.Dey, A.Gottberg, S.M.Adil Imam, M.Kowalska, J.Kurcewicz, M.Lund, S.Mandal, M.Madurga, N.Marginean, R.Marginean, C.Mihai, I.Marroquin, E.Nacher, A.Negret, S.Pascu, A.Perea, E.Rapisarda, F.Rotaru, J.Ray, P.Sharma, T.Stora, C.Sotty, V.Vedia, N.Warr, R.Wadsworth Exotic decay of 115Cs
doi: 10.1103/PhysRevC.108.064304
2020BE10 Phys.Rev. C 101, 054311 (2020) T.A.Berry, Zs.Podolyak, R.J.Carroll, R.Lica, B.A.Brown, H.Grawe, Ch.Sotty, N.K.Timofeyuk, T.Alexander, A.N.Andreyev, S.Ansari, M.J.G.Borge, M.Brunet, J.R.Cresswell, C.Fahlander, L.M.Fraile, H.O.U.Fynbo, E.Gambna, W.Gelletly, R.-B.Gerst, M.Gorska, A.Gredley, P.Greenlees, L.J.Harkness-Brennan, M.Huyse, S.M.Judge, D.S.Judson, J.Konki, M.Kowalska, J.Kurcewicz, I.Kuti, S.Lalkovski, I.Lazarus, M.Lund, M.Madurga, N.Marginean, R.Marginean, I.Marroquin, C.Mihai, R.E.Mihai, E.Nacher, A.Negret, S.Nae, C.Nita, S.Pascu, R.D.Page, Z.Patel, A.Perea, J.Phrompao, M.Piersa, V.Pucknell, P.Rahkila, E.Rapisarda, P.H.Regan, F.Rotaru, M.Rudigier, C.M.Shand, R.Shearman, E.C.Simpson, S.Stegemann, T.Stora, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, P.M.Walker, N.Warr, F.P.Wearing, H.De Witte Octupole states in 207Tl studied through β decay RADIOACTIVITY 207Hg(β-)[from 208Pb(p, X)207Hg, E=1.4 GeV]; measured Eγ, Iγ, βγ- and βγγ-coin, γγ(θ) using plastic scintillators for β-detection and four HPGe detectors for γ-detection at CERN-ISOLDE. 207Tl; deduced levels J, π, β feedings, multipolarities, logft, B(M1), B(E1), B(E2), B(M2), B(E3), configurations. Discussion of octupole phonon states. Comparison with state-of-the-art large-scale shell-model calculations, and with previous experimental results.
doi: 10.1103/PhysRevC.101.054311
2020HA38 Phys.Rev.X 10, 041061 (2020) R.D.Harding, S.Pallada, J.Croese, A.Antusek, M.Baranowski, M.L.Bissell, L.Cerato, K.M.Dziubinska-Kuhn, W.Gins, F.P.Gustafsson, A.Javaji, R.B.Jolivet, A.Kanellakopoulos, B.Karg, M.Kempka, V.Kocman, M.Kozak, K.Kulesz, M.Madurga Flores, G.Neyens, R.Pietrzyk, J.Plavec, M.Pomorski, A.Skrzypczak, P.Wagenknecht, F.Wienholtz, J.Wolak, Z.Xu, D.Zakoucky, M.Kowalska Magnetic Moments of Short-Lived Nuclei with Part-per-Million Accuracy: Toward Novel Applications of β-Detected NMR in Physics, Chemistry, and Biology NUCLEAR MOMENTS 23,26Na; measured Larmor frequencies; deduced nuclear magnetic dipole moments with part-per-million (ppm) accuracy. Comparison with available data.
doi: 10.1103/PhysRevX.10.041061
2019BA22 Phys.Rev. C 99, 054317 (2019) A.E.Barzakh, J.G.Cubiss, A.N.Andreyev, M.D.Seliverstov, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, P.Van Duppen, Y.Wakabayashi, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Inverse odd-even staggering in nuclear charge radii and possible octupole collectivity in 217, 218, 219At revealed by in-source laser spectroscopy NUCLEAR MOMENTS 217,218,219At; measured hyperfine structure spectra, isotopic shifts, and hyperfine splitting constants using in-source resonance-ionization technique at CERN-ISOLDE; deduced magnetic dipole and electric quadrupole moments, changes in nuclear mean-square charge radii, octupole collectivity. 217,218,219At isotopes produced in U(p, X), E=1.4 GeV reaction. Systematics of g factors in 209,211,213Bi, 211,217,219At, 213,219,221,223,225Fr, 215,217,227Ac, changes in rms charge radii for 207,208,209,210,211,217,218,219At, shell-effect parameters in Pb, Bi, Po, At, Rn, Fr, Ra, Ac isotopes, and odd-even staggering in 205,207,209,211Pb, 207,209,217Po, 208,210,218At, 210,212,220,222,224,226Fr, 219,221Rn, 221,223,225,227Ra.
doi: 10.1103/PhysRevC.99.054317
2019FR08 Hyperfine Interactions 240, 66 (2019) N.Frommgen, W.Nortershauser, M.L.Bissell, K.Blaum, C.Geppert, M.Hammen, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, Y.A.Litvinov, R.Neugart, G.Neyens, J.Papuga, R.Sanchez, D.T.Yordanov Hyperfine structure and nuclear magnetic moments of the praseodymium isotopes 135, 136, 137Pr NUCLEAR MOMENTS 135,136,137Pr; measured frequencies; deduced hyperfine parameters and magnetic moments. Comparison with available data.
doi: 10.1007/s10751-019-1608-5
2019GO12 Phys.Rev.Lett. 122, 192502 (2019) C.Gorges, L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, G.Georgiev, W.Gins, H.Heylen, A.Kanellakopoulos, S.Kaufmann, M.Kowalska, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Laser Spectroscopy of Neutron-Rich Tin Isotopes: A Discontinuity in Charge Radii across the N=82 Shell Closure NUCLEAR MOMENTS 108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn; measured frequencies; deduced isotope shifts, mean-square nuclear charge radii.
doi: 10.1103/PhysRevLett.122.192502
2019HU15 Eur.Phys.J. A 55, 96 (2019) W.J.Huang, D.Atanasov, G.Audi, K.Blaum, R.B.Cakirli, A.Herlert, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, V.Manea, M.Mougeot, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Evaluation of high-precision atomic masses of A ∼ 50-80 and rare-earth nuclides measured with ISOLTRAP NUCLEAR REACTIONS Ta, U(p, x), E=1.4 GeV; measured reactions on thick, heated target[U in the form of uranium carbide] using Penning-trap spectrometer ISOLTRAP. 52,53,54,55,56,57Cr, 55Mn, 56,59Fe, 59Co, 75,77,78,79Ga, 140Ce, 140Nd, 156Dy, 160Yb, 168mLu, 178Yb; deduced mass excess. Compared with AME2012, suggested combined mass excess value.
doi: 10.1140/epja/i2019-12775-5
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
2018CU02 Phys.Rev. C 97, 054327 (2018) J.G.Cubiss, A.E.Barzakh, M.D.Seliverstov, A.N.Andreyev, B.Andel, S.Antalic, P.Ascher, D.Atanasov, D.Beck, J.Bieron, K.Blaum, Ch.Borgmann, M.Breitenfeldt, L.Capponi, T.E.Cocolios, T.Day Goodacre, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Fritzsche, L.P.Gaffney, S.George, L.Ghys, F.P.Hessberger, M.Huyse, N.Imai, Z.Kalaninova, D.Kisler, U.Koster, M.Kowalska, S.Kreim, J.F.W.Lane, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, S.Mitsuoka, P.L.Molkanov, Y.Nagame, D.Neidherr, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, J.P.Revill, M.Rosenbusch, R.E.Rossel, S.Rothe, K.Sandhu, L.Schweikhard, S.Sels, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, P.Van Duppen, K.D.A.Wendt, F.Wienholtz, B.W.Whitmore, G.L.Wilson, R.N.Wolf, K.Zuber Charge radii and electromagnetic moments of 195-211At NUCLEAR MOMENTS 195,195m,196,197,197m,198,198m,199,199m,200,200m,201,202,202m,203,204,205,206,207,208,209,210,211At; measured hfs spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE; deduced magnetic dipole moments and spectroscopic quadrupole moments, configurations, and quadrupole deformation parameters. 206At; deduced J. Detailed systematics of magnetic dipole moments, spectroscopic quadrupole moments, deformations, and rms charge radii in Hg, Tl, Pb, Bi, Po, At, Fr, Ra and Ac nuclei. Comparison with theoretical calculations using multiconfiguration Dirac-Hartree-Fock (MCDHF) method. NUCLEAR REACTIONS U(p, X)195At/195mAt/196At/197At/197mAt/198At/198mAt/199At/199mAt/200At/200m1At/200m2At/201At/202At/202mAt/203At/204At/205At/206At/207At/208At/209At/210At/211At, E=1.4 GeV; produced radioactive astatine isotopes by spallation reaction with beam from CERN PS Booster impinging on a thick UCx target, followed by injection into a hot cavity of the Resonance Ionization Laser Ion Source (RILIS), and ionization by a three-step photoionization scheme.
doi: 10.1103/PhysRevC.97.054327
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
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
2017AT01 J.Phys.(London) G44, 044004 (2017) D.Atanasov, D.Beck, K.Blaum, C.Borgmann, R.B.Cakirli, T.Eronen, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, Y.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Precision mass measurements of cesium isotopes-new entries in the ISOLTRAP chronicles ATOMIC MASSES 123,146,147,148Cs [from U(p, X)148Cs/147Cs/146Cs/132Cs, E=1.4 GeV]; measured the time-of-flight resonances; deduced time-of- flight ion-cyclotron resonance spectrum, mass excess. Comparison with AME2012 evaluation.
doi: 10.1088/1361-6471/aa5a20
2017DE18 Phys.Rev. C 96, 014310 (2017);Erratum Phys.Rev. C 97, 059902 (2018) A.de Roubin, D.Atanasov, K.Blaum, S.George, F.Herfurth, D.Kisler, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, M.Mougeot, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Nuclear deformation in the A ≈ 100 region: Comparison between new masses and mean-field predictions ATOMIC MASSES 100,101,102Sr, 100,101,102Rb; measured frequency ratios and mass excesses by the time-of-flight ion cyclotron resonance (ToF-ICR) method using the multireflection time-of-flight mass spectrometer (MR-ToF MS), precision Penning traps, and ISOLTRAP at ISOLDE/CERN. The Sr and Rb isotopes produced as fission fragments in U(p, F), E=1.4 GeV using uranium carbide target, and ISOLDE high-resolution separator (HRS). Comparison with previous measurements, AME-2012 evaluation, and different self-consistent mean-field calculations with different Skyrme and Gogny effective interactions. Systematics of experimental and theoretical S(2n), root mean square charge radii, and odd-even staggering for N=56-66 Rb, Sr and Kr nuclei. Discussed competition of nuclear shapes in the A=100 mass region.
doi: 10.1103/PhysRevC.96.014310
2017GA02 J.Phys.(London) G44, 044003 (2017) R.F.Garcia Ruiz, C.Gorges, M.Bissell, K.Blaum, W.Gins, H.Heylen, K.Koenig, S.Kaufmann, M.Kowalska, J.Kramer, P.Lievens, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, D.T.Yordanov, X.F.Yang Development of a sensitive setup for laser spectroscopy studies of very exotic calcium isotopes NUCLEAR MOMENTS 48,51,52Ca; measured fluorescence photons; deduced nuclear charge radii, hyperfine parameter values, nuclear magnetic and quadrupole moments. Comparison with available data.
doi: 10.1088/1361-6471/aa5a24
2017JA07 J.Phys.(London) G44, 064003 (2017) A.Jancso, J.G.Correia, A.Gottberg, J.Schell, M.Stachura, D.Szunyogh, S.Pallada, D.C.Lupascu, M.Kowalska, L.Hemmingsen TDPAC and β-NMR applications in chemistry and biochemistry NUCLEAR MOMENTS 29,31Mg, 58,74,75Cu; measured Eβ, Iβ; deduced hyperfine structure, β-NMR resonances.
doi: 10.1088/1361-6471/aa666b
2017KO26 J.Phys.(London) G44, 084005 (2017) M.Kowalska, P.Aschenbrenner, M.Baranowski, M.L.Bissell, W.Gins, R.D.Harding, H.Heylen, G.Neyens, S.Pallada, N.Severijns, Ph.Velten, M.Walczak, F.Wienholtz, Z.Y.Xu, X.F.Yang, D.Zakoucky New laser polarization line at the ISOLDE facility NUCLEAR MOMENTS 26,28Na; measured longitudinal transitional field; deduced hyperfine structures of the D2 line, ratio of the nuclear spin polarization. Comparison with available data.
doi: 10.1088/1361-6471/aa77d7
2017MA29 Phys.Rev. C 95, 054322 (2017) V.Manea, P.Ascher, D.Atanasov, A.E.Barzakh, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, B.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Penning-trap mass spectrometry and mean-field study of nuclear shape coexistence in the neutron-deficient lead region ATOMIC MASSES 180,185,188,190Au, 197,197m,219At; measured cyclotron frequency ratios with respect to 133Cs+ by the time-of-flight ion-cyclotron-resonance (ToF-ICR) technique using ISOLTRAP at ISOLDE-CERN; deduced mass excesses, and compared to values from AME-2012. Isotopes prepared by 1.4-GeV protons incident on UCx target at CERN's proton synchrotron booster (PSB), followed by selective ionization by resonance-ionization laser ion source (RILIS), and mass separation using magnetic separators at ISOLDE. 197At; deduced ground state and the energy of the isomer. Systematics of S(2n) and rms charge radii for N=100-114, Au and Hg isotopes.
doi: 10.1103/PhysRevC.95.054322
2017WR01 Phys.Lett. B 771, 385 (2017) C.Wraith, X.F.Yang, L.Xie, C.Babcock, J.Bieron, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, R.F.Garcia Ruiz, W.Gins, L.K.Grob, G.Gaigalas, M.Godefroid, C.Gorges, H.Heylen, M.Honma, P.Jonsson, S.Kaufmann, M.Kowalska, J.Kramer, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, T.Otsuka, J.Papuga, R.Sanchez, Y.Tsunoda, D.T.Yordanov Evolution of nuclear structure in neutron-rich odd-Zn isotopes and isomers NUCLEAR MOMENTS 63,65,67,69,71,73,75,77,79Zn; measured optical spectra; deduced hyperfine spectra (hfs) including isomeric structures, J of ground and isomeric states, hfs constants, nuclear magnetic dipole and quadrupole moments, g-factors and wave functions. Comparison with theoretical calculations.
doi: 10.1016/j.physletb.2017.05.085
2017YO05 J.Phys.(London) G44, 075104 (2017) D.T.Yordanov, M.L.Bissell, K.Blaum, M.De Rydt, C.Geppert, J.Kramer, K.Kreim, M.Kowalska, A.Krieger, P.Lievens, R.Neugart, G.Neyens, W.Nortershauser, L.V.Rodriguez, R.Sanchez, P.Vingerhoets Spin and magnetic moment of 23Mg NUCLEAR MOMENTS 23,24,25Mg; measured fluorescence spectra; deduced magnetic moments. Collinear laser spectroscopy at CERN-ISOLDE.
doi: 10.1088/1361-6471/aa718b
2016BA44 Phys.Lett. B 760, 387 (2016) C.Babcock, H.Heylen, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, D.Fedorov, R.F.Garcia Ruiz, W.Geithner, W.Gins, T.Day Goodacre, L.K.Grob, M.Kowalska, S.M.Lenzi, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang Quadrupole moments of odd-A 53-63Mn: Onset of collectivity towards N = 40 NUCLEAR MOMENTS 53,55,57,59,61,63Mn; measured hyperfine spectra; deduced spectroscopic quadrupole moments. Comparison with large-scale shell model predictions using three effective interactions, GXPF1A, LNPS, modified A3DA.
doi: 10.1016/j.physletb.2016.07.016
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
2016GA34 Nat.Phys. 12, 594 (2016) R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, A.Ekstrom, N.Frommgen, G.Hagen, M.Hammen, K.Hebeler, J.D.Holt, G.R.Jansen, M.Kowalska, K.Kreim, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, T.Papenbrock, J.Papuga, A.Schwenk, J.Simonis, K.A.Wendt, D.T.Yordanov Unexpectedly large charge radii of neutron-rich calcium isotopes NUCLEAR REACTIONS U(p, X)43Ca/44Ca/45Ca/46Ca/47Ca/48Ca/49Ca/50Ca/51Ca/52Ca, E=1.4GeV; measured hyperfine structure spectra; deduced charge radii. Comparison with available data.
doi: 10.1038/nphys3645
2016HE14 Phys.Rev. C 94, 054321 (2016) H.Heylen, C.Babcock, R.Beerwerth, J.Billowes, M.L.Bissell, K.Blaum, J.Bonnard, P.Campbell, B.Cheal, T.Day Goodacre, D.Fedorov, S.Fritzsche, R.F.Garcia Ruiz, W.Geithner, Ch.Geppert, W.Gins, L.K.Grob, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang, D.T.Yordanov Changes in nuclear structure along the Mn isotopic chain studied via charge radii ATOMIC PHYSICS 51,53,54,55,56,57,58,59,60,61,62,63,64Mn; measured hyperfine spectra using collinear laser spectroscopy at ISOLDE-CERN; deduced charge radii. Isotopes produced in bombardment of uranium carbide target with 1.4-GeV proton beam. Mass and field shift factors calculated in multiconfiguration Dirac-Fock framework and combined with King plot analysis. Comparison with Duflo-Zuker formula. NUCLEAR STRUCTURE 53,55,57,59,61,63,65Mn; calculated potential energy surfaces using Monte Carlo shell-model. Systematics of S(2n) values for Z=20-28, N=24-46 nuclei.
doi: 10.1103/PhysRevC.94.054321
2016KO41 Eur.Phys.J.Plus 131, 294 (2016) Global properties of atomic nuclei- Masses, radii and modern methods to measure them COMPILATION A=1-240; compiled, discussed mass and charge radii, binding energy, Q, isotopic shift, methods of their determination and similarities and differences with respect to atoms, intensity of scattered particles as a function of their energy, time-of-flight measurements, Penning trap and eigenmotions inside it, matter radii for short-lived isotopes and their influence on cross sections, changes of charge radii as a function of neutron number, advanced instrumental questions.
doi: 10.1140/epjp/i2016-16294-0
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
2015AT03 Phys.Rev.Lett. 115, 232501 (2015) D.Atanasov, P.Ascher, K.Blaum, R.B.Cakirli, T.E.Cocolios, S.George, S.Goriely, F.Herfurth, H.-T.Janka, O.Just, M.Kowalska, S.Kreim, D.Kisler, Y.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Precision Mass Measurements of 129-131Cd and Their Impact on Stellar Nucleosynthesis via the Rapid Neutron Capture Process ATOMIC MASSES 129,130,131Cd; measured TOF-ICR resonance spectra; deduced masses, corrections to the existing values, neutron separation energies. Penning-trap spectrometer ISOLTRAP at ISOLDE/CERN.
doi: 10.1103/PhysRevLett.115.232501
2015BA49 Phys.Lett. B 750, 176 (2015) C.Babcock, H.Heylen, J.Billowes, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.F.Garcia Ruiz, C.Geppert, W.Gins, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, D.T.Yordanov Evidence for Increased neutron and proton excitations between 51-63Mn NUCLEAR MOMENTS 51,52,53,54,55,56,57,58,59,60,61,62,63Mn; measured hyperfine structures; deduced J, magnetic dipole moments. Comparison with large-scale shell-model calculations using different model spaces and effective interactions.
doi: 10.1016/j.physletb.2015.09.012
2015BO11 Phys.Rev. C 92, 024322 (2015) S.Bottoni, S.Leoni, B.Fornal, R.Raabe, K.Rusek, G.Benzoni, A.Bracco, F.C.L.Crespi, A.I.Morales, P.Bednarczyk, N.Cieplicka-Orynczak, W.Krolas, A.Maj, B.Szpak, M.Callens, J.Bouma, J.Elseviers, H.De Witte, F.Flavigny, R.Orlandi, P.Reiter, M.Seidlitz, N.Warr, B.Siebeck, S.Hellgartner, D.Mucher, J.Pakarinen, M.Vermeulen, C.Bauer, G.Georgiev, R.V.F.Janssens, D.Balabanski, M.Sferrazza, M.Kowalska, E.Rapisarda, D.Voulot, M.Lozano Benito, F.Wenander Cluster-transfer reactions with radioactive beams: A spectroscopic tool for neutron-rich nuclei NUCLEAR REACTIONS 7Li(98Rb, xnα), (98Rb, xnt), E=279 MeV; measured Eγ, (7Li)γ-, αγ-, tγ-coin, differential σ(θ), absolute cross sections for triton and α transfers using MINIBALL Ge array and Si detector system T-REX at REX-ISOLDE-CERN facility. Cluster-transfer reactions. DWBA calculations using FRESCO code. 98Rb, 98,99Sr, 99,100Y, 100Zr; observed γ rays in particle-γ-coin spectra and γγ-coin spectra.
doi: 10.1103/PhysRevC.92.024322
2015ES07 Phys.Rev. C 92, 044321 (2015) M.E.Estevez Aguado, A.Algora, J.Agramunt, B.Rubio, J.L.Tain, D.Jordan, L.M.Fraile, W.Gelletly, A.Frank, M.Csatlos, L.Csige, Zs.Dombradi, A.Krasznahorkay, E.Nacher, P.Sarriguren, M.J.G.Borge, J.A.Briz, O.Tengblad, F.Molina, O.Moreno, M.Kowalska, V.N.Fedosseev, B.A.Marsh, D.V.Fedorov, P.L.Molkanov, A.N.Andreyev, M.D.Seliverstov, K.Burkard, W.Huller Shapes of 192, 190Pb ground states from β-decay studies using the total-absorption technique RADIOACTIVITY 190,192Pb(EC), (β+)[from U(p, X), E=1.4 GeV]; measured Eγ, Iγ, (x ray)γ-coin using total absorption spectrometer Lucrecia (TAS) at CERN-ISOLDE facility; deduced I(ϵ), I(ϵ+β+) feedings, BG(T) strength distributions, deformation for ground states. Comparison with QRPA calculations, and with previous experimental data.
doi: 10.1103/PhysRevC.92.044321
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
2015HE28 Phys.Rev. C 92, 044311 (2015) H.Heylen, C.Babcock, J.Billowes, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.F.Garcia Ruiz, Ch.Geppert, W.Gins, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, R.Neugart, G.Neyens, W.Nortershauser, J.Papuga, D.T.Yordanov Spins and magnetic moments of 58, 60, 62, 64Mn ground states and isomers NUCLEAR MOMENTS 54,56,58,60,62,64Mn; measured hyperfine spectra using laser ion source (RILIS), high-resolution separator (HRS), cooler-buncher (ISCOOL), and collinear laser spectroscopy beam line (COLLAPS) at ISOLDE-CERN; deduced levels, J, hyperfine structure parameters, magnetic dipole, moments and electric quadrupole moments for ground states and isomers. Mn beams produced in U(p, X), E=1.4 GeV reaction. Comparison with large-scale shell-model calculations using GXPF1A and LNPS effective interactions.
doi: 10.1103/PhysRevC.92.044311
2015PF01 Phys.Rev. C 92, 014316 (2015) M.Pfutzner, W.Dominik, Z.Janas, C.Mazzocchi, M.Pomorski, A.A.Bezbakh, M.J.G.Borge, K.Chrapkiewicz, V.Chudoba, R.Frederickx, G.Kaminski, M.Kowalska, S.Krupko, M.Kuich, J.Kurcewicz, A.A.Lis, M.V.Lund, K.Miernik, J.Perkowski, R.Raabe, G.Randisi, K.Riisager, S.Sambi, O.Tengblad, F.Wenander β decay of 6He into the α+d continuum RADIOACTIVITY 6He(β-)[from U(p, X), E=1.4 GeV at CERN-ISOLDE]; measured Eβ, Eα, Ed, E(α+d) using gaseous optical time projection chamber (OTPC) at REX-ISOLDE facility; deduced position distribution of 6He decay events, α+d decay branching ratio, transition probability of α+d branch as a function of (α+d) energy and compared with theoretical three-body model.
doi: 10.1103/PhysRevC.92.014316
2015RO10 Phys.Rev.Lett. 114, 202501 (2015) M.Rosenbusch, P.Ascher, D.Atanasov, C.Barbieri, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, A.Cipollone, S.George, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, P.Navratil, D.Neidherr, L.Schweikhard, V.Soma, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber Probing the N=32 Shell Closure below the Magic Proton Number Z=20: Mass Measurements of the Exotic Isotopes 52, 53K ATOMIC MASSES 52,53K; measured time-of-flight spectra for nuclides; deduced masses. Comparison with Skyrme-Hartree-Fock-Bogoliubov and ab initio Gorkov-Green function calculations.
doi: 10.1103/PhysRevLett.114.202501
2015RU02 Phys.Rev. C 91, 041304 (2015) R.F.Garcia Ruiz, M.L.Bissell, K.Blaum, N.Frommgen, M.Hammen, J.D.Holt, M.Kowalska, K.Kreim, J.Menendez, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, J.Papuga, A.Poves, A.Schwenk, J.Simonis, D.T.Yordanov Ground-state electromagnetic moments of calcium isotopes NUCLEAR MOMENTS 43,45,47,49,51Ca; measured hyperfine spectra, hyperfine structure constants, J, g factors, magnetic and quadrupole moments using collinear laser spectroscopy (COLLAPS) and radiofrequency quadrupole (RFQ) beam cooler ISCOOL at ISOLDE-CERN facility. Comparison with theoretical predictions using KB3G, GXPF1A, SDPF.SM and three-nucleon forces (NN+3N). Ca beams produced in bombardment of uranium carbide target with 1.4-GeV protons at ISOLDE-CERN.
doi: 10.1103/PhysRevC.91.041304
2014BI10 Phys.Rev.Lett. 113, 052502 (2014) M.L.Bissell, J.Papuga, H.Naidja, K.Kreim, K.Blaum, M.De Rydt, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, F.Nowacki, M.M.Rajabali, R.Sanchez, K.Sieja, D.T.Yordanov Proton-Neutron Pairing Correlations in the Self-Conjugate Nucleus 38K Probed via a Direct Measurement of the Isomer Shift ATOMIC PHYSICS 38K; measured frequency of hyperfine spectra; deduced isomer shift, rms charge radii. Comparison with large-scale shell model calculations.
doi: 10.1103/PhysRevLett.113.052502
2014BO09 Acta Phys.Pol. B45, 343 (2014) S.Bottoni, S.Leoni, B.Fornal, R.Raabe, G.Benzoni, A.Bracco, F.C.L.Crespi, A.Morales, B.Bednarczyk, N.Cieplicka, W.Krolas, A.Maj, B.Szpak, M.Callens, J.Bouma, J.Elseviers, F.Falvigny, R.Orlandi, K.Rusek, P.Reiter, M.Seidlitz, S.Klupp, D.Mucher, G.Georgiev, D.Balabanski, M.Sferrazza, M.Kowalska, E.Rapisarda γ Spectroscopy of Neutron-rich Nuclei with A ≈ 100 Produced by Cluster Transfer Reactions at REX-ISOLDE NUCLEAR REACTIONS 7Li(98Rb, X)98Sr/99Sr/99Y/100Y, (98Sr, X)99Y/100Zr, E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced cluster-transfer mechanisms.
doi: 10.5506/APhysPolB.45.343
2014BO26 Phys.Rev. C 90, 044307 (2014) Ch.Bohm, Ch.Borgmann, G.Audi, D.Beck, K.Blaum, M.Breitenfeldt, R.B.Cakirli, T.E.Cocolios, S.Eliseev, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, M.Wang, R.N.Wolf, K.Zuber Evolution of nuclear ground-state properties of neutron-deficient isotopes around Z=82 from precision mass measurements ATOMIC MASSES 184,186,190m,193m,194,194m,195,195m,198,198mTl, 202,208Pb, 207,208Fr, 224Ra; measured cyclotron frequencies high-precision mass excesses using Penning-trap ISOLTRAP at ISOLDE/CERN; deduced S(2n), S(2p), pairing gap parameter, odd-even effect. Isotopes produced by impinging a 1.4-GeV proton beam on a thick, high-temperature uranium carbide (UCx) target. Comparison with other experimental results, AME-03, AME-12 evaluations, and microscopic calculations assuming spherical shape of the ground states. Systematics of pairing gaps, S(2p), S(2n), and excitation energy of the (9/2-) isomers for N=96-124 Au and Tl nuclei. Analyzed gradual development of collectivity with proton removal in Z=82.
doi: 10.1103/PhysRevC.90.044307
2014KR04 Phys.Lett. B 731, 97 (2014) K.Kreim, M.L.Bissell, J.Papuga, K.Blaum, M.De Rydt, R.F.Garcia Ruiz, S.Goriely, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez Alarcon, H.H.Stroke, D.T.Yordanov Nuclear charge radii of potassium isotopes beyond N = 28 ATOMIC PHYSICS 38,39,42,44,46,47,48,49,50,51K; measured optical spectra, hyperfine structure; deduced spins, mean square charge radii. Comparison with HFB-24 and DD-ME2 theoretical models.
doi: 10.1016/j.physletb.2014.02.012
2014KR09 Phys.Rev. C 90, 024301 (2014) S.Kreim, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, A.Gottberg, F.Herfurth, M.Kowalska, Yu.A.Litvinov, D.Lunney, V.Manea, T.M.Mendonca, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, Th.Stora, F.Wienholtz, R.N.Wolf, K.Zuber Competition between pairing correlations and deformation from the odd-even mass staggering of francium and radium isotopes ATOMIC MASSES 222,224,226,227,228,229,230,231,232,233Fr, 233,234Ra[isotopes from U(p, F), E=1.4 GeV]; measured TOF-ICR resonances, frequency ratios, mass excesses using ISOLTRAP Penning-trap at ISOLDE-CERN facility; deduced odd-even staggering in binding energies, S(2n), three-point pairing-gap estimator Δ3(N); calculated Nilsson single-particle level schemes for N=128-148 nuclei using HF and HFB approaches, and connections to the single-particle level density and nuclear quadrupole and octupole deformations. Comparison with mass measurements using ESR at GSI and AME-2003 evaluation. RADIOACTIVITY 233Fr(β-)[from U(p, F), E=1.4 GeV]; measured (ion)β correlations, ground-state half-life.
doi: 10.1103/PhysRevC.90.024301
2014PA45 Phys.Rev. C 90, 034321 (2014) J.Papuga, M.L.Bissell, K.Kreim, C.Barbieri, K.Blaum, M.De Rydt, T.Duguet, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, M.M.Rajabali, R.Sanchez, N.Smirnova, V.Soma, D.T.Yordanov Shell structure of potassium isotopes deduced from their magnetic moments NUCLEAR MOMENTS 38,38m,39,42,44,46,47,48,49,50,51K; measured hyperfine structure using high-resolution collinear laser spectroscope COLLAPS and Paul trap ISCOOL at ISOLDE-CERN; deduced J, magnetic moments, configurations, magnetic hyperfine parameters. Potassium isotopes produced in U(p, X), E=1 GeV at ISOLDE-CERN. 38,40,41,42,43,44,45,46,47,48,49,51K; deduced hyperfine structure anomalies. Comparison with shell model calculations using SDPF-NR and SDPF-U effective interactions, and with previous experimental results.
doi: 10.1103/PhysRevC.90.034321
2013KR15 Nucl.Instrum.Methods Phys.Res. B317, 492 (2013) S.Kreim, D.Atanasov, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, T.E.Cocolios, D.Fink, S.George, A.Herlert, A.Kellerbauer, U.Koster, M.Kowalska, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, T.Nicol, R.E.Rossel, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, R.N.Wolf, K.Zuber Recent exploits of the ISOLTRAP mass spectrometer ATOMIC MASSES 191Au; measured time-of-flight ion-cyclotron resonance spectra; deduced mass excess. Comparison with available data.
doi: 10.1016/j.nimb.2013.07.072
2013MA81 Phys.Rev. C 88, 054322 (2013) V.Manea, D.Atanasov, D.Beck, K.Blaum, C.Borgmann, R.B.Cakirli, T.Eronen, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, D.Neidherr, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Collective degrees of freedom of neutron-rich A≈100 nuclei and the first mass measurement of the short-lived nuclide 100Rb ATOMIC MASSES 98,99,100Rb; measured time-of-flight ion-cyclotron resonance, mass excesses using ISOLTRAP at ISOLDE-CERN facility. Comparison with AME-12 evaluation. No evidence found for isomer in 98Rb. NUCLEAR STRUCTURE Z=36-44, N=48-65; calculated S(2n), mean-square charge radii, and energies of octupole correlations using HFB theory with SLy4 and Gogny-D1S potentials. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.054322
2013PA11 Phys.Rev.Lett. 110, 172503 (2013) J.Papuga, M.L.Bissell, K.Kreim, K.Blaum, B.A.Brown, M.De Rydt, R.F.Garcia Ruiz, H.Heylen, M.Kowalska, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, M.M.Rajabali, R.Sanchez, Y.Utsuno, D.T.Yordanov Spins and Magnetic Moments of 49K and 51K: Establishing the 1/2+ and 3/2+ Level Ordering Beyond N=28 NUCLEAR MOMENTS 39,47,49,51K; measured hyperfine spectra; deduced dipole magnetic moments, g-factors. Comparison with available data, shell model calculations.
doi: 10.1103/PhysRevLett.110.172503
2013ST25 Phys.Rev. C 88, 054304 (2013) J.Stanja, Ch.Borgmann, J.Agramunt, A.Algora, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, T.E.Cocolios, L.M.Fraile, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, G.Simpson, F.Wienholtz, R.N.Wolf, K.Zuber Mass spectrometry and decay spectroscopy of isomers across the Z=82 shell closure ATOMIC MASSES 190mTl, 194Tl, 194mTl, 198At; measured time-of-flight ion cyclotron (TOF-ICR) resonances, mass excesses using RILIS and ISOLTRAP at ISOLDE-CERN facility; deduced level energies, J, π for ground states and isomers, Q values for decays. 190Tl, 194Bi, 194mBi, 198mAt, 202Fr, 202mFr, 206Ac, 206mAc; deduced mass excesses in α-decay chains using measured mass values for 7(+) state in 190mTl and (3+) in 198At. Comparison with AME-03 data. Discussed hyperfine structure for 198,198mAt and state assignments from another experiment at ISOLTRAP-ISOLDE-CERN facility. RADIOACTIVITY 190,194Tl(β-); measured Eγ, βγ-coin correlated with implants, half-lives of parent states, Q values for decays. Systematics of levels, J, π, μ in isomeric states of 184,186,188,190,192,194,196,198,200,202,204Tl.
doi: 10.1103/PhysRevC.88.054304
2013WI06 Nature(London) 498, 346 (2013), Erratum Nature(London) 498, 346 (2013) F.Wienholtz, D.Beck, K.Blaum, Ch.Borgmann, M.Breitenfeldt, R.B.Cakirli, S.George, F.Herfurth, J.D.Holt, M.Kowalska, S.Kreim, D.Lunney, V.Manea, J.Menendez, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Schwenk, J.Simonis, J.Stanja, K.Zuber Masses of exotic calcium isotopes pin down nuclear forces ATOMIC MASSES 51,52,53,54Ca; measured TOF, ion cyclotron resonance frequency ratio; deduced masses. ISOLTRAP high-resolution Penning trap, shell-model calculations with KB3G and GXPF1A interactions.
doi: 10.1038/nature12226
2013WO05 Int.J. Mass Spectrom. 349-350, 123 (2013) R.N.Wolf, F.Wienholtz, D.Atanasov, D.Beck, K.Blaum, Ch.Borgmann, F.Herfurth, M.Kowalska, S.Kreim, Yu.A.Litvinov, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, K.Zuber ISOLTRAP's multi-reflection time-of-flight mass separator/spectrometer ATOMIC MASSES 137Eu; measured time of flight of ions ejected from the precision Penning trap as a function of excitation frequency; deduced masses. Comparison with available data.
doi: 10.1016/j.ijms.2013.03.020
2013WO06 Phys.Rev.Lett. 110, 041101 (2013) R.N.Wolf, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, N.Chamel, S.Goriely, F.Herfurth, M.Kowalska, S.Kreim, D.Lunney, V.Manea, E.Minaya Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, L.Schweikhard, J.Stanja, F.Wienholtz, K.Zuber Plumbing Neutron Stars to New Depths with the Binding Energy of the Exotic Nuclide 82Zn ATOMIC MASSES 82Zn; measured time-of-flight resonance, mean frequency ratio; deduced mass. ISOLTRAP setup at the ISOLDE-CERN facility.
doi: 10.1103/PhysRevLett.110.041101
2013YO02 Phys.Rev.Lett. 110, 192501 (2013) D.T.Yordanov, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, I.Budincevic, S.Fritzsche, N.Frommgen, G.Georgiev, Ch.Geppert, M.Hammen, M.Kowalska, K.Kreim, A.Krieger, R.Neugart, W.Nortershauser, J.Papuga, S.Schmidt Spins, Electromagnetic Moments, and Isomers of 107-129Cd NUCLEAR MOMENTS 107,109,111,113,115,117,119,121,123,125,127,129Cd; measured the atomic hyperfine structure by the ion-beam fluorescence as a function of the laser frequency scanned via the Doppler effect; deduced J, hyperfine parameters, electromagnetic dipole and quadrupole moments. Comparison with available data.
doi: 10.1103/PhysRevLett.110.192501
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
2012FI01 Phys.Rev.Lett. 108, 062502 (2012) D.Fink, J.Barea, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, F.Herfurth, A.Herlert, J.Kotila, M.Kowalska, S.Kreim, D.Lunney, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard, F.Simkovic, J.Stanja, K.Zuber Q Value and Half-Lives for the Double-β-Decay Nuclide 110Pd RADIOACTIVITY 110Pd(2β-); measured resonance frequencies;deduced precise Q-value. Comparison with AME2003 atomic mass evaluation, phase-space factor calculations.
doi: 10.1103/PhysRevLett.108.062502
2012KR04 Phys.Rev.Lett. 108, 142501 (2012) A.Krieger, K.Blaum, M.L.Bissell, N.Frommgen, Ch.Geppert, M.Hammen, K.Kreim, M.Kowalska, J.Kramer, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, Ch.Novotny, R.Sanchez, D.T.Yordanov Nuclear Charge Radius of 12Be NUCLEAR MOMENTS 12Be; measured isotope shifts; deduced nuclear charge radii. Comparison with available data and FMD calculations.
doi: 10.1103/PhysRevLett.108.142501
2012NA15 Phys.Rev. C 86, 014325 (2012) S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, D.Neidherr, M.Rosenbusch, L.Schweikhard, R.N.Wolf, K.Zuber Surveying the N=40 island of inversion with new manganese masses ATOMIC MASSES 48Ti, 55,57,58,58m,59,60,60m,61,62,62m,63,64,65,66Mn, 61,62,63Fe; measured frequency ratio using RILIS facility and ISOLTRAP mass spectrometer at CERN facility, with reference to frequencies for 39K, TiO, 55Mn and 85Rb; deduced and evaluated mass excesses and compared with AME-2003. Z=24-36, N=30-52; systematics of S(2n) values. Z=25-26, N=29-40; systematics of neutron pairing gaps. Z=25, N=28-41; systematics of S(n) values. Proposed collectivity around N=40, and island of inversion near 63Mn.
doi: 10.1103/PhysRevC.86.014325
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
2012TO11 Phys.Scr. T150, 014040 (2012) H.Tornqvist, C.Sotty, G.Georgiev, M.Hass, A.Herlert, M.Kowalska, T.Nilsson, J.Pakarinen, F.Wenander Implementation and evaluation of tilted foils polarization at REX-ISOLDE
doi: 10.1088/0031-8949/2012/T150/014040
2012YO01 Phys.Rev.Lett. 108, 042504 (2012) D.T.Yordanov, M.L.Bissell, K.Blaum, M.De Rydt, Ch.Geppert, M.Kowalska, J.Kramer, K.Kreim, A.Krieger, P.Lievens, T.Neff, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, P.Vingerhoets Nuclear Charge Radii of 21-32Mg ATOMIC PHYSICS 21,22,23,24,25,26,27,28,29,30,31,32Mg; measured the atomic isotope shift representing the transition frequencies with respect to the fine structure levels; deduced rms charge radii, evolution of nuclear shape through deformation regions. Comparison with theory and differential mean square radii, application of laser-induced orientation for isotope shift measurements.
doi: 10.1103/PhysRevLett.108.042504
2011BL09 J.Phys.:Conf.Ser. 312, 092001 (2011) K.Blaum, M.Block, R.B.Cakirli, S.Eliseev, M.Kowalska, S.Kreim, Y.A.Litvinov, Sz.Nagy, W.Nortershauser, D.T.Yordanov Measurements of ground-state properties for nuclear structure studies by precision mass and laser spectroscopy NUCLEAR STRUCTURE 7,8,9,10,11Be; calculated charge radius using FMD (fermionic molecular dynamics); compared with data obtained from isotope shift.
doi: 10.1088/1742-6596/312/9/092001
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
2011MA48 Phys.Rev. C 84, 034313 (2011) K.Marinova, W.Geithner, M.Kowalska, K.Blaum, S.Kappertz, M.Keim, S.Kloos, G.Kotrotsios, P.Lievens, R.Neugart, H.Simon, S.Wilbert Charge radii of neon isotopes across the sd neutron shell NUCLEAR MOMENTS 17,18,19,20,21,22,23,24,25,26,27,28Ne; measured isotope shifts, hyperfine structure; deduced mean-square charge radii, β2 deformation parameters. Collinear laser spectroscopy. Systematics of first excited 2+ states, B(E2) values, deformation parameters for even-A nuclei. Comparison with several theoretical model calculation. Relevance to nuclei in the 'island of inversion'. NUCLEAR REACTIONS Ca, U(p, X)17Ne/18Ne/19Ne/23Ne/24Ne/25Ne/26Ne/27Ne/28Ne, E=1.4 GeV; measured production yields at CERN-ISOLDE on-line isotope separator.
doi: 10.1103/PhysRevC.84.034313
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
2010BR02 Phys.Rev. C 81, 034313 (2010) M.Breitenfeldt, Ch.Borgmann, G.Audi, S.Baruah, D.Beck, K.Blaum, Ch.Bohm, R.B.Cakirli, R.F.Casten, P.Delahaye, M.Dworschak, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, D.Neidherr, M.Rosenbusch, R.Savreux, S.Schwarz, L.Schweikhard, C.Yazidjian Approaching the N=82 shell closure with mass measurements of Ag and Cd isotopes ATOMIC MASSES 112,114,115,116,117,118,119,120,121,122,123,124Ag, 114,120,122,123,124,126,128Cd; measured cyclotron frequencies relative to 133Cs, and mass excesses using ISOLTRAP Penning trap spectrometer; deduced excitation energies of the isomers; evaluated mass excesses; two-neutron separate energies, and proton-neutron interaction strength δVpn. Comparison with previous data and AME-2003.
doi: 10.1103/PhysRevC.81.034313
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
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
2010EL11 Phys.Lett. B 693, 426 (2010) S.Eliseev, Ch.Bohm, D.Beck, K.Blaum, M.Breitenfeldt, V.N.Fedosseev, S.George, F.Herfurth, A.Herlert, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, Yu.N.Novikov, M.Rosenbusch, L.Schweikhard, S.Schwarz, M.Seliverstov, K.Zuber Direct mass measurements of 194Hg and 194Au: A new route to the neutrino mass determination? ATOMIC MASSES 194Au, 194Hg; measured cyclotron frequency ratio; deduced mass excesses, Q-value of the orbital electron capture. Implications for β-decay anti-neutrino mass measurements.
doi: 10.1016/j.physletb.2010.08.071
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
2010NA13 Phys.Rev.Lett. 105, 032502 (2010) S.Naimi, G.Audi, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, S.George, F.Herfurth, A.Herlert, M.Kowalska, S.Kreim, D.Lunney, D.Neidherr, M.Rosenbusch, S.Schwarz, L.Schweikhard, K.Zuber Critical-Point Boundary for the Nuclear Quantum Phase Transition Near A=100 from Mass Measurements of 96, 97Kr ATOMIC MASSES 80,86,87,94,96,97Kr; measured cyclotron frequencies and ratios; deduced mass excess, deformation. Penning-trap mass spectrometer at ISOLDE, CERN.
doi: 10.1103/PhysRevLett.105.032502
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
2010YO01 Phys.Rev.Lett. 104, 129201 (2010) D.T.Yordanov, K.Blaum, M.De Rydt, M.Kowalska, R.Neugart, G.Neyens, I.Hamamoto Comment on "Intruder Configurations in the A=33 Isobars: 33Mg and 33Al" NUCLEAR STRUCTURE 33Mg, 33Al; calculated magnetic moments; deduced 33Mg π. Comparison with experimental data.
doi: 10.1103/PhysRevLett.104.129201
2010ZA02 J.Phys.(London) G37, 055107 (2010) M.Zakova, Z.Andjelkovic, M.L.Bissell, K.Blaum, G.W.F.Drake, Ch.Geppert, M.Kowalska, J.Kramer, A.Krieger, M.Lochmann, T.Neff, R.Neugart, W.Nortershauser, R.Sanchez, F.Schmidt-Kaler, D.Tiedemann, Z.-C.Yan, D.T.Yordanov, C.Zimmermann Isotope shift measurements in the 2s1/2 → 2p3/2 transition of Be+ and extraction of the nuclear charge radii for 7, 10, 11Be ATOMIC PHYSICS 7,10,11Be; measured laser beam frequencies; deduced isotope shifts, nuclear charge radii, cluster structures. Comparison with nuclear structure calculations.
doi: 10.1088/0954-3899/37/5/055107
2009BR09 Phys.Rev. C 80, 035805 (2009) M.Breitenfeldt, G.Audi, D.Beck, K.Blaum, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, H.-J.Kluge, M.Kowalska, D.Lunney, S.Naimi, D.Neidherr, H.Schatz, S.Schwarz, L.Schweikhard Penning trap mass measurements of 99-109Cd with the ISOLTRAP mass spectrometer, and implications for the rp process ATOMIC MASSES 99,100,101,102,103,104,105,106,107,108,109Cd; measured and evaluated masses using ISOLTRAP penning-trap spectrometer. Comparisons with other measurements and AME-2003 evaluation.
doi: 10.1103/PhysRevC.80.035805
2009CA03 Phys.Rev.Lett. 102, 082501 (2009) R.B.Cakirli, R.F.Casten, R.Winkler, K.Blaum, M.Kowalska Enhanced Sensitivity of Nuclear Binding Energies to Collective Structure NUCLEAR STRUCTURE Sn, Ba, Dy, Hf, Pb; calculated two-neutron separation energies.
doi: 10.1103/PhysRevLett.102.082501
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
2009KO35 Eur.Phys.J. A 42, 351 (2009) M.Kowalska, S.Naimi, J.Agramunt, A.Algora, G.Audi, D.Beck, B.Blank, K.Blaum, Ch.Bohm, M.Breitenfeldt, E.Estevez, L.M.Fraile, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, D.Lunney, E.Minaya-Ramirez, D.Neidherr, B.Olaizola, K.Riisager, M.Rosenbusch, B.Rubio, S.Schwarz, L.Schweikhard, U.Warring Preparing a journey to the east of 208Pb with ISOLTRAP: Isobaric purification at A = 209 and new masses for 211-213Fr and 211Ra ATOMIC MASSES 211,212,213Fr, 211Ra; measured masses using Penning trap at ISOLDE.
doi: 10.1140/epja/i2009-10835-1
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
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
2009NE03 Phys.Rev.Lett. 102, 112501 (2009) D.Neidherr, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.B.Cakirli, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, E.Noah, L.Penescu, M.Rosenbusch, S.Schwarz, L.Schweikhard, T.Stora Discovery of 229Rn and the Structure of the Heaviest Rn and Ra Isotopes from Penning-Trap Mass Measurements ATOMIC MASSES 220,223,224,225,226,227,228,229Rn; measured masses using ISOLTRAP mass spectrometer.
doi: 10.1103/PhysRevLett.102.112501
2009NE11 Phys.Rev. C 80, 044323 (2009) D.Neidherr, R.B.Cakirli, G.Audi, D.Beck, K.Blaum, Ch.Bohm, M.Breitenfeldt, R.F.Casten, S.George, F.Herfurth, A.Herlert, A.Kellerbauer, M.Kowalska, D.Lunney, E.Minaya-Ramirez, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard High-precision Penning-trap mass measurements of heavy xenon isotopes for nuclear structure studies ATOMIC MASSES 136,137,138,139,140,141,142,143,144,145,146Xe; measured masses using the ISOLTRAP double Penning-trap mass spectrometer at ISOLDE-CERN facility. Comparison with earlier measurements and AME-2003 evaluation. Z=50-78, N=78-112; systematics of S(2n) values. N=74-92, Z=52-58, even Z; N=119-141, odd N, Z=84-90, odd Z; Z=50-82, N=82-126; systematics of proton-neutron interaction strengths.
doi: 10.1103/PhysRevC.80.044323
2009NO02 Phys.Rev.Lett. 102, 062503 (2009) W.Nortershauser, D.Tiedemann, M.Zakova, Z.Andjelkovic, K.Blaum, M.L.Bissell, R.Cazan, G.W.F.Drake, Ch.Geppert, M.Kowalska, J.Kramer, A.Krieger, R.Neugart, R.Sanchez, F.Schmidt-Kaler, Z.-C.Yan, D.T.Yordanov, C.Zimmermann Nuclear Charge Radii of 7, 9, 10Be and the One-Neutron Halo Nucleus 11Be NUCLEAR MOMENTS 7,9,10,11Be; measured isotope shifts; deduced nuclear charge radii.
doi: 10.1103/PhysRevLett.102.062503
2008GE07 Phys.Rev.Lett. 101, 252502 (2008) W.Geithner, T.Neff, G.Audi, K.Blaum, P.Delahaye, H.Feldmeier, S.George, C.Guenaut, F.Herfurth, A.Herlert, S.Kappertz, M.Keim, A.Kellerbauer, H.-J.Kluge, M.Kowalska, P.Lievens, D.Lunney, K.Marinova, R.Neugart, L.Schweikhard, S.Wilbert, C.Yazidjian Masses and Charge Radii of 17-22Ne and the Two-Proton-Halo Candidate 17Ne ATOMIC MASSES 17,18,19,20,21,22Ne; measured masses and charge radii using penning trap mass spectrometry.
doi: 10.1103/PhysRevLett.101.252502
2008KO05 Phys.Rev. C 77, 034307 (2008) M.Kowalska, D.T.Yordanov, K.Blaum, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen Nuclear ground-state spins and magnetic moments of 27Mg, 29Mg, and 31Mg NUCLEAR MOMENTS 25,27,29,31Mg [from 238U(p, X), E=1.4 GeV]; measured J, π of ground states, magnetic moments, hyperfine structure using laser and β-NMR spectroscopy. Compared with shell-model calculations.
doi: 10.1103/PhysRevC.77.034307
2008NE11 Phys.Rev.Lett. 101, 132502 (2008) R.Neugart, D.L.Balabanski, K.Blaum, D.Borremans, P.Himpe, M.Kowalska, P.Lievens, S.Mallion, G.Neyens, N.Vermeulen, D.T.Yordanov Precision Measurement of 11Li Moments: Influence of Halo Neutrons on the 9Li Core NUCLEAR MOMENTS 11Li; measured electric dipole and quadrupole moments using a NMR based technique.
doi: 10.1103/PhysRevLett.101.132502
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
2006KO55 Hyperfine Interactions 171, 167 (2006) Mg isotopes and the disappearance of magic N=20: Laser and β-NMR studies RADIOACTIVITY 27,29,31,33Mg(β-) [from U(p, X)]; measured β-asymmetry and hfs, β-NMR spectra from polarized source. 31Mg deduced ground-state J, π, μ, quadrupole moment.
doi: 10.1007/s10751-007-9512-9
2006SI40 Hyperfine Interactions 171, 173 (2006) R.Sifi, F.Le Blanc, N.Barre, L.Cabaret, J.Crawford, M.Ducourtieux, S.Essabaa, J.Genevey, G.Huber, M.Kowalska, C.Lau, J.K.P.Lee, G.Le Scornet, J.Oms, J.Pinard, B.Roussiere, J.Sauvage, M.Seliverstov, H.Stroke, and the ISOLDE Collaboration Laser spectroscopy measurements of neutron-rich tellurium isotopes by COMPLIS NUCLEAR MOMENTS 120,121,122,123,124,125,126,127,128,129,130,131,132,133,134,135,136Te; measured hfs, isotope shifts; deduced μ, quadrupole moments, radii. Laser spectroscopy, comparison with model predictions.
doi: 10.1007/s10751-006-9505-0
2005BO45 Phys.Rev. C 72, 044309 (2005); Erratum Phys.Rev. C 72, 059902 (2005) D.Borremans, D.L.Balabanski, K.Blaum, W.Geithner, S.Gheysen, P.Himpe, M.Kowalska, J.Lassen, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen, D.Yordanov New measurement and reevaluation of the nuclear magnetic and quadrupole moments of 8Li and 9Li RADIOACTIVITY 8,9Li(β-) [from Ta(p, X)]; measured β-asymmetries, β-NMR spectra from polarized sources. 8,9Li deduced quadrupole moments. 9Li deduced μ. Comparisons with previous results and model predictions.
doi: 10.1103/PhysRevC.72.044309
2005KO41 Eur.Phys.J. A 25, Supplement 1, 193 (2005) M.Kowalska, D.Yordanov, K.Blaum, D.Borremans, P.Himpe, P.Lievens, S.Mallion, R.Neugart, G.Neyens, N.Vermeulen Laser and β-NMR spectroscopy on neutron-rich magnesium isotopes RADIOACTIVITY 31Mg(β-) [from U(p, X)]; measured β-asymmetry and hfs, β-NMR spectra from polarized source. 31Mg deduced ground-state J, π, μ.
doi: 10.1140/epjad/i2005-06-041-1
2005KO50 Hyperfine Interactions 162, 109 (2005) M.Kowalska, for the IS 427 Collaboration at ISOLDE/CERN Laser Spectroscopy and β-NMR Measurements of Short-Lived Mg Isotopes RADIOACTIVITY 29,31Mg(β-) [from U(p, X)]; measured β-asymmetry, β-NMR spectra from polarized source. 31Mg deduced g-factor, ground-state J, π.
doi: 10.1007/s10751-005-9224-y
2005NE01 Phys.Rev.Lett. 94, 022501 (2005) G.Neyens, M.Kowalska, D.Yordanov, K.Blaum, P.Himpe, P.Lievens, S.Mallion, R.Neugart, N.Vermeulen, Y.Utsuno, T.Otsuka Measurement of the Spin and Magnetic Moment of 31Mg: Evidence for a Strongly Deformed Intruder Ground State RADIOACTIVITY 31Mg(β-) [from U(p, X)]; measured β-asymmetry, β-NMR spectra from polarized source. 31Mg deduced ground-state J, π, μ.
doi: 10.1103/PhysRevLett.94.022501
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