NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = K.Blaum Found 282 matches. Showing 1 to 100. [Next]2024KR02 Phys.Rev. C 109, L021301 (2024) K.Kromer, Ch.Lyu, J.Bieron, M.Door, L.Enzmann, P.Filianin, G.Gaigalas, Z.Harman, J.Herkenhoff, W.Huang, Ch.H.Keitel, S.Eliseev, K.Blaum Atomic mass determination of uranium-238
doi: 10.1103/PhysRevC.109.L021301
2024SU04 Chin.Phys.C 48, 034002 (2024) M.Z.Sun, Y.Yu, X.P.Wang, M.Wang, J.G.Li, Y.H.Zhang, K.Blaum, Z.Y.Chen, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, W.J.Huang, H.Y.Jiao, H.H.Li, H.F.Li, Y.F.Luo, T.Liao, Yu.A.Litvinov, M.Si, P.Shuai, J.Y.Shi, Q.Wang, Y.M.Xing, X.Xu, H.S.Xu, F.R.Xu, Q.Yuan, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, X.H.Zhou, X.Zhou, M.Zhang, Q.Zeng Ground-state mass of 22Al and test of state-of-the-art ab initio calculations NUCLEAR STRUCTURE 22Al, 22F; calculated test of the state-of-the-art ab initio valence-space in-medium similarity renormalization group calculations with four sets of interactions derived from the chiral effective field theory using excitation energies and mirror energy differences.
doi: 10.1088/1674-1137/ad1a0a
2023CH12 Eur.Phys.J. A 59, 29 (2023) S.Chenmarev, Sz.Nagy, J.J.W.van de Laar, K.Blaum, M.Block Ch.E.Dullmann First application of the phase-imaging ion-cyclotron resonance technique at TRIGA-Trap
doi: 10.1140/epja/s10050-023-00935-7
2023CU04 Phys.Rev.Lett. 131, 202501 (2023) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, P.Van Duppen, S.Hilaire, S.Peru, S.Goriely, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, S.D.Prosnyak, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, L.V.Skripnikov, A.Stott, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Deformation versus Sphericity in the Ground States of the Lightest Gold Isotopes NUCLEAR MOMENTS 176,177,178,179,180,181,182,183,187,191,193,195Au [from U(p, X), E=1.4 GeV]; measured frequencies; deduced mean-squared charge radii, ground-state deformations, nuclear magnetic moments. Comparison with available data. The in-source, resonance-ionization laser spectroscopy technique, at the ISOLDE facility (CERN).
doi: 10.1103/PhysRevLett.131.202501
2023HE18 Phys.Rev.Lett. 131, 253002 (2023) F.Heisse, M.Door, T.Sailer, P.Filianin, J.Herkenhoff, C.M.Konig, K.Kromer, D.Lange, J.Morgner, A.Rischka, Ch.Schweiger, B.Tu, Y.N.Novikov, S.Eliseev, S.Sturm, K.Blaum High-Precision Determination of g Factors and Masses of 20Ne9+ and 22Ne9+ ATOMIC MASSES 20,22Ne; measured the cyclotron-frequency ratio; deduced individual bound electron g factors, atomic masses. Comparison with available data. The PENTATRAP and A LPHATRAP experiments are both cryogenic Penning-trap setups located at the Max Planck Institute for Nuclear Physics in Heidelberg.
doi: 10.1103/PhysRevLett.131.253002
2023HU18 Phys.Rev. C 108, 034301 (2023) W.J.Huang, X.Zhou, Y.H.Zhang, M.Wang, Yu.A.Litvinov, K.Blaum Ground-state mass of the odd-odd n = z nuclide 70Br
doi: 10.1103/PhysRevC.108.034301
2023LE15 Phys.Lett. B 847, 138278 (2023) S.Lechner, T.Miyagi, Z.Y.Xu, M.L.Bissell, K.Blaum, B.Cheal, C.S.Devlin, R.F.Garcia Ruiz, J.S.M.Ginges, H.Heylen, J.D.Holt, P.Imgram, A.Kanellakopoulos, A.Koszorus, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, P.Plattner, L.V.Rodriguez, G.Sanamyan, S.R.Stroberg, Y.Utsuno, X.F.Yang, D.T.Yordanov Electromagnetic moments of the antimony isotopes 112-133Sb NUCLEAR MOMENTS 113,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133Sb; measured frequencies; deduced hyperfine spectra parameters, hyperfine anomaly, nuclear magnetic dipole and electric quadrupole moments. Comparison with shell model and ab initio calculations. Radioactive antimony (Sb) isotopes were produced at the radioactive ion beam facility ISOLDE-CERN.
doi: 10.1016/j.physletb.2023.138278
2023NI07 Phys.Rev.Lett. 131, 022502 (2023) L.Nies, D.Atanasov, M.Athanasakis-Kaklamanakis, M.Au, K.Blaum, J.Dobaczewski, B.S.Hu, J.D.Holt, J.Karthein, I.Kulikov, Y.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, M.Mougeot, L.Schweikhard, A.Schwenk, K.Sieja, F.Wienholtz Isomeric Excitation Energy for 99Inm from Mass Spectrometry Reveals Constant Trend Next to Doubly Magic 100Sn ATOMIC MASSES 99,100,101In; measured TOF; deduced mass excess, excitation energies. The ISOLTRAP mass spectrometer at ISOLDE/CERN. RADIOACTIVITY 99In(IT); measured decay products; deduced excitation energy with small uncertainty, intriguing constancy of the isomer excitation energies in neutron-deficient indium that persists down to the N=50 shell closure, even when all neutrons are removed from the valence shell. Comparison with large-scale shell model, ab initio, and density functional theory calculations.
doi: 10.1103/PhysRevLett.131.022502
2023NI10 Phys.Rev.Lett. 131, 222503 (2023) L.Nies, L.Canete, D.D.Dao, S.Giraud, A.Kankainen, D.Lunney, F.Nowacki, B.Bastin, M.Stryjczyk, P.Ascher, K.Blaum, R.B.Cakirli, T.Eronen, P.Fischer, M.Flayol, V.Girard Alcindor, A.Herlert, A.Jokinen, A.Khanam, U.Koster, D.Lange, I.D.Moore, M.Muller, M.Mougeot, D.A.Nesterenko, H.Penttila, C.Petrone, I.Pohjalainen, A.de Roubin, V.Rubchenya, Ch.Schweiger, L.Schweikhard, M.Vilen, J.Aysto Further Evidence for Shape Coexistence in 79Znm near Doubly Magic 78Ni ATOMIC MASSES 79Zn; measured frequencies, TOF; deduced the excitation energy of the 1/2+ isomer, the bandhead of a low-lying deformed structure akin to a predicted low-lying deformed band, shape coexistence. Comparison with state-of-the-art shell-model diagonalizations, complemented with discrete nonorthogonal shell-model calculations. The time-of-flight ion cyclotron resonance (TOF-ICR) method, the JYFLTRAP double Penning trap at the ion guide isotope separator on-line (IGISOL) facility in Jyvaskyla (Finland), and the multi-reflection time-of-flight mass spectrometer (MR-TOF MS) of ISOLTRAP at ISOLDE at CERN (Switzerland).
doi: 10.1103/PhysRevLett.131.222503
2023PL01 Phys.Rev.Lett. 131, 222502 (2023) P.Plattner, E.Wood, L.Al Ayoubi, O.Beliuskina, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.P.de Groote, C.S.Devlin, T.Eronen, L.Filippin, R.F.Garcia Ruiz, Z.Ge, S.Geldhof, W.Gins, M.Godefroid, H.Heylen, M.Hukkanen, P.Imgram, A.Jaries, A.Jokinen, A.Kanellakopoulos, A.Kankainen, S.Kaufmann, K.Konig, A.Koszorus, S.Kujanpaa, S.Lechner, S.Malbrunot-Ettenauer, P.Muller, R.Mathieson, I.Moore, W.Nortershauser, D.Nesterenko, R.Neugart, G.Neyens, A.Ortiz-Cortes, H.Penttila, I.Pohjalainen, A.Raggio, M.Reponen, S.Rinta-Antila, L.V.Rodriguez, J.Romero, R.Sanchez, F.Sommer, M.Stryjczyk, V.Virtanen, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Nuclear Charge Radius of 26mAl and Its Implication for Vud in the Quark Mixing Matrix NUCLEAR MOMENTS 26,26m,27Al [from 27Al(p, d), E=25 MeV]; measured frequencies; deduced resonance spectrum, isotope shifts, mean square charge radii, log ft values. Collinear laser spectroscopy. The COLLAPS beamline at ISOLDE-CERN and the IGISOL CLS beamline.
doi: 10.1103/PhysRevLett.131.222502
2023WA10 Phys.Rev.Lett. 130, 192501 (2023) M.Wang, Y.H.Zhang, X.Zhou, X.H.Zhou, H.S.Xu, M.L.Liu, J.G.Li, Y.F.Niu, W.J.Huang, Q.Yuan, S.Zhang, F.R.Xu, Y.A.Litvinov, K.Blaum, Z.Meisel, R.F.Casten, R.B.Cakirli, R.J.Chen, H.Y.Deng, C.Y.Fu, W.W.Ge, H.F.Li, T.Liao, S.A.Litvinov, P.Shuai, J.Y.Shi, Y.N.Song, M.Z.Sun, Q.Wang, Y.M.Xing, X.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, M.Zhang Mass Measurement of Upper fp-Shell N = Z - 2 and N = Z - 1 Nuclei and the Importance of Three-Nucleon Force along the N = Z Line ATOMIC MASSES 58Zn, 60Ga, 62Ge, 64As, 66Se, 70Kr, 61Ga, 63Ge, 65As, 67Se, 71Kr, 75Sr; measured time-of-flight (TOF); deduced mass excess (ME). A novel method of isochronous mass spectrometry, the Heavy Ion Research Facility in Lanzhou (HIRFL).
doi: 10.1103/PhysRevLett.130.192501
2023XI01 Phys.Rev. C 107, 014304 (2023) Y.M.Xing, C.X.Yuan, M.Wang, Y.H.Zhang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, H.S.Xu, T.Bao, R.J.Chen, C.Y.Fu, B.S.Gao, W.W.Ge, J.J.He, W.J.Huang, T.Liao, J.G.Li, H.F.Li, S.Litvinov, S.Naimi, P.Shuai, M.Z.Sun, Q.Wang, X.Xu, F.R.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, M.Zhang, X.Zhou Isochronous mass measurements of neutron-deficient nuclei from 112Sn projectile fragmentation ATOMIC MASSES 69As, 73Br, 75Kr, 79Sr, 81Y, 87Mo, 87mMo, 91Ru, 91mRu, 93Rh, 93mRh, 95Pd, 95mPd, 103Sn; measured revolution times of stored ions, ToF; deduced mass excesses. 27Al, 29Si, 31P, 33S, 35Cl, 37Ar, 39,40K, 41,42Ca, 43,43mSc, 46Ti, 47,48V, 50,49Cr, 51,52,52mMn, 51m,53,54Fe, 55,56,57Co, 57,58,59Ni, 59,60,61Cu, 62,63Zn, 63,65Ga, 65,66Ge, 67,68,69,70Se, 71Br, 73,74Kr, 75,76,77Rb, 77,78Sr, 82Zr, 84Nb, 86Mo, 90Ru, 94Pd, 97,97mAg, 99Cd, 101,101mIn; analyzed masses by comparing to previously measured values and AME2020 evaluation. 87Mo, 91Ru, 93Rh, 95Pd; deduced isomer ratios, isomeric states and assigned J, π values as 1/2- from systematics. 91mRu; deduced mass excess based on the precise measured value for 90Mo. 104Sb, 107Te, 108I, 111Xe, 112Cs; deduced mass excess based on measured mass excess value for 103Sn and literature Q values for α- and p-decays. Systematics of 1/2- isomers in Zr, Mo, Ru, Pd and Cd isotopes and comparison to shell-model calculations. Comparison to AME2020 and NUBASE2020. Isochronous mass spectrometry at the Cooler Storage Ring in Lanzhou of the fragments from 9Be(112Sn, X), E=400.88 MeV/nucleon reaction. NUCLEAR REACTIONS 9Be(112Sn, X), E=400.88 MeV/nucleon; measured reaction products, number of produced fragments. 87,87mMo, 91,91mRu, 93,93mRh, 95,95mPd; deduced isomeric ratios.
doi: 10.1103/PhysRevC.107.014304
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
2022FR01 Astropart.Phys. 138, 102686 (2022) F.M.Frankle, A.Schaller, K.Blaum, L.Bornschein, G.Drexlin, F.Gluck, V.Hannen, F.Harms, D.Hinz, K.Johnston, J.Karthein, U.Koster, A.Lokhov, S.Mertens, F.Muller, A.Osipowicz, P.C.-O.Ranitzsch, K.Schlosser, T.Thummler, N.Trost, C.Weinheimer, J.Wolf KATRIN background due to surface radioimpurities RADIOACTIVITY 211,212Pb(β-); measured decay products, Eβ, Iβ; deduced T1/2 and uncertainties. Comparison with available data.
doi: 10.1016/j.astropartphys.2022.102686
2022KA45 Phys.Rev. C 106, 054325 (2022) O.Kaleja, B.Andjelic, O.Bezrodnova, K.Blaum, M.Block, S.Chenmarev, P.Chhetri, C.Droese, Ch.E.Dullmann, M.Eibach, S.Eliseev, J.Even, P.Filianin, F.Giacoppo, S.Gotz, Yu.Gusev, M.J.Gutierrez, F.P.Hessberger, N.Kalantar-Nayestanaki, J.J.W.van de Laar, M.Laatiaoui, S.Lohse, N.Martynova, E.Minaya Ramirez, A.K.Mistry, T.Murbock, Yu.Novikov, S.Raeder, D.Rodriguez, F.Schneider, L.Schweikhard, P.G.Thirolf, A.Yakushev Direct high-precision mass spectrometry of superheavy elements with SHIPTRAP ATOMIC MASSES 251,254No, 254,255,256Lr, 257Rf; measured cyclotron frequency; deduced mass excesses, two-neutron shell gap. Comparison to AME2020. Phase-imaging ion-cyclotron resonance mass spectrometry (PI-ICR MS) at SHIPTRAP setup. Isotopes produced in following reactions 206Pb(48Ca, 3n)251No, E=4.8 MeV/nucleon, 208Pb(48Ca, 2n)254No, E=4.56 MeV/nucleon, 209Bi(48Ca, 3n)254Lr, E=4.81 MeV/nucleon, 209Bi(48Ca, 2n)255Lr, E=4.56 MeV/nucleon, 209Bi(48Ca, n)256Lr, E=4.5 MeV/nucleon, 208Pb(50Ti, n)257Rf, E=4.65 MeV/nucleon at GSI Darmstadt. RADIOACTIVITY 258Db, 254Lr(α); deduced Q values. Comparison to other experimental data.
doi: 10.1103/PhysRevC.106.054325
2022KR04 Eur.Phys.J. A 58, 202 (2022); Erratum Eur.Phys.J. A 60, (2024) K.Kromer, C.Lyu, M.Door, P.Filianin, Z.Harman, J.Herkenhoff, W.Huang, C.H.Keitel, D.Lange, Y.N.Novikov, C.Schweiger, S.Eliseev, K.Blaum High-precision mass measurement of doubly magic 208Pb ATOMIC MASSES 208Pb, 132Xe; measured the cyclotron-frequency ratio; deduced absolute atomic mass. The ab initio fully relativistic multi-configuration Dirac–Hartree–Fock (MCDHF) calculations. Comparison with AME 2020. The high-precision Penning-trap mass spectrometer Pentatrap.
doi: 10.1140/epja/s10050-022-00860-1
2022MA04 Phys.Rev.Lett. 128, 022502 (2022) S.Malbrunot-Ettenauer, S.Kaufmann, S.Bacca, C.Barbieri, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, T.Duguet, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, J.D.Holt, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, T.Miyagi, P.Navratil, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, S.J.Novario, T.Papenbrock, T.Ratajczyk, P.-G.Reinhard, L.V.Rodriguez, R.Sanchez, S.Sailer, A.Schwenk, J.Simonis, V.Soma, S.R.Stroberg, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Nuclear Charge Radii of the Nickel Isotopes 58-68, 70Ni NUCLEAR MOMENTS 58,59,60,61,62,63,64,65,66,67,68Ni, 70Ni; measured frequency-time spectrum; deduced isotope shifts, mean-square charge radii. Comparison with ab initio approaches. Collinear laser spectroscopy beam line COLLAPS, ISOLDE/CERN.
doi: 10.1103/PhysRevLett.128.022502
2022NE10 Phys.Rev. C 106, 024310 (2022) D.A.Nesterenko, K.Blaum, P.Delahaye, S.Eliseev, T.Eronen, P.Filianin, Z.Ge, M.Hukkanen, A.Kankainen, Yu.N.Novikov, A.V.Popov, A.Raggio, M.Stryjczyk, V.Virtanen Direct determination of the excitation energy of the quasistable isomer 180mTa ATOMIC MASSES 180,180mTa; measured cyclotron frequency with the phase-imaging ion-cyclotron-resonance (PI-ICR) technique using Penning-trap mass spectrometer (JYFLTRAP) at the Ion Guide Isotope Separator On-Line (IGISOL) facility of University of Jyvaskyla; deduced mass excesses, first direct precise determination of the excitation energy of naturally-occurring low-energy isomer of 180Ta. 180,180m produced in Ta(p, X), E=40 MeV reaction. Comparison with AME2020 evaluation. Relevance to search for dark matter, astrophysics, and development of a γ laser.
doi: 10.1103/PhysRevC.106.024310
2022SC07 Nature(London) 606, 878 (2022) A.Schneider, B.Sikora, S.Dickopf, M.Muller, N.S.Oreshkina, A.Rischka, I.A.Valuev, S.Ulmer, J.Walz, Z.Harman, C.H.Keitel, A.Mooser, K.Blaum Direct measurement of the 3He+ magnetic moments NUCLEAR MOMENTS 3He; measured transition frequencies; deduced ground-state hyperfine structure, nuclear g-factor, zero-field hyperfine splitting, diamagnetic shielding constant, Zemach radius, nuclear magnetic moment. Comparison with available data. Penning trap.
doi: 10.1038/s41586-022-04761-7
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
2021FI03 Phys.Rev.Lett. 127, 072502 (2021) P.Filianin, C.Lyu, M.Door, K.Blaum, W.J.Huang, M.Haverkort, P.Indelicato, C.H.Keitel, K.Kromer, D.Lange, Y.N.Novikov, A.Rischka, R.X.Schussler, Ch.Schweiger, S.Sturm, S.Ulmer, Z.Harman, S.Eliseev Direct Q-Value Determination of the β- Decay of 187Re ATOMIC MASSES 187Os, 187Re; measured cyclotron frequency ratio; deduced mass difference, β-decay Q-value. Comparison with AME-2016 evaluation.
doi: 10.1103/PhysRevLett.127.072502
2021HE04 Phys.Rev. C 103, 014318 (2021) H.Heylen, C.S.Devlin, W.Gins, M.L.Bissell, K.Blaum, B.Cheal, L.Filippin, R.F.Garcia Ruiz, M.Godefroid, C.Gorges, J.D.Holt, A.Kanellakopoulos, S.Kaufmann, A.Koszorus, K.Konig, S.Malbrunot-Ettenauer, T.Miyagi, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, F.Sommer, L.V.RodrIguez, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov High-resolution laser spectroscopy of 27-32Al NUCLEAR MOMENTS 27,28,29,30,31,32Al; measured hyperfine structure spectra of the 3s23p2P3/20 to 3s24s2S1/2 atomic transition using collinear laser spectroscopy at the COLLAPS-ISOLDE-CERN facility; deduced hyperfine parameters, magnetic dipole moments and spectroscopic quadrupole moments with reference to those for 27Al, isotope shifts and mean-square charge radii relative to 27Al. Comparison with theoretical calculations using ab initio valence space in-medium similarity renormalization group method (VS-IMSRG) with multiple sets of two- and three-nucleon forces from chiral effective field theory, and with previous available experimental results. Neutral atoms of 27,28,29,30,31,32Al produced in U(p, X), E=1.4-GeV, using uranium carbide target, followed by extraction from the target, ionized by a resonance ionization laser ion source (RILIS), accelerated to 30 keV, and finally mass separated.
doi: 10.1103/PhysRevC.103.014318
2021LE11 Phys.Rev. C 104, 014302 (2021) S.Lechner, Z.Y.Xu, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, C.S.Devlin, R.F.Garcia Ruiz, A.Gargano, H.Heylen, P.Imgram, A.Kanellakopoulos, A.Koszorus, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, P.Plattner, L.V.Rodriguez, X.F.Yang, D.T.Yordanov Probing the single-particle behavior above 132Sn via electromagnetic moments of 133, 134Sb and N=82 isotones NUCLEAR MOMENTS 133,134mSb; measured hyperfine structure spectra of the 7/2+ ground state of 133Sb and the (7-) isomeric state of 134Sb using the collinear laser spectroscopy (COLLAPS) at the radioactive ion-beam facility ISOLDE-CERN; deduced hyperfine structure constants, spins, static magnetic dipole and electric quadrupole moments; discussed single-particle behavior of nuclides above the doubly magic nucleus 132Sn. Comparison with previous experimental results, and with shell-model calculations. 133,134Sb isotopes produced in U(p, X) reaction using UCx target, followed by separation of atomic antimony fragments by selective laser ionization, acceleration of ions to 50 keV, and finally mass separated by a magnetic separator and accumulated in a buffer-gas filled radio-frequency quadrupole cooler and buncher.
doi: 10.1103/PhysRevC.104.014302
2021MO23 Nat.Phys. 17, 1099 (2021) M.Mougeot, D.Atanasov, J.Karthein, R.N.Wolf, P.Ascher, K.Blaum, K.Chrysalidis, G.Hagen, J.D.Holt, W.J.Huang, G.R.Jansen, I.Kulikov, Yu.A.Litvinov, D.Lunney, V.Manea, T.Miyagi, T.Papenbrock, L.Schweikhard, A.Schwenk, T.Steinsberger, S.R.Stroberg, Z.H.Sun, A.Welker, F.Wienholtz, S.G.Wilkins, K.Zuber Mass measurements of 99-101In challenge ab initio nuclear theory of the nuclide 100Sn NUCLEAR REACTIONS La(p, X)99In/100In/101In, E=1.4 GeV; measured reaction products, TOF; deduced atomic masses. Comparison with AME2020, theoretical calculations.
doi: 10.1038/s41567-021-01326-9
2020BA17 Phys.Rev. C 101, 034308 (2020) A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, Yu.A.Demidov, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, M.G.Kozlov, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Hyperfine anomaly in gold and magnetic moments of Iπ = 11/2- gold isomers NUCLEAR MOMENTS 177m,191m,193m,195mAu; measured hyperfine structure spectra (hfs), hyperfine splitting, differential hyperfine anomaly, magnetic dipole moments using in-source laser resonance-ionization spectroscopy (RILIS) at CERN-ISOLDE. Mass separated Au beams were produced in U(p, X), E=1.4 GeV reaction, and delivered to either the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer (MR-ToF MS) or the Windmill (WM) decay station. Comparison to the previously measured magnetic moments. 185,186,187,189,189m,191,193,194Au; re-evaluated previously measured magnetic dipole moments by properly accounting for the hyperfine anomaly.
doi: 10.1103/PhysRevC.101.034308
2020BA29 Phys.Rev. C 101, 064321 (2020) A.E.Barzakh, D.Atanasov, A.N.Andreyev, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, J.G.Cubiss, P.Van Duppen, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Shape coexistence in 187Au studied by laser spectroscopy NUCLEAR MOMENTS 187,187mAu; measured hyperfine-structure (hfs) spectrum, time-of-flight of the 9/2- isomer of 187Au using ISOLTRAP's multireflection time-of-flight mass separator (MR-ToF-MS) and resonance-ionization laser spectroscopy technique at CERN-ISOLDE. 187mAu; deduced hfs parameters, isotope shift, mean-square charge radius, magnetic moment, shape coexistence, Nilsson configuration. 187,187mAu produced in U(p, F), E=1.4 GeV reaction, and separated in mass-to-charge ratio using the General Purpose Separator (GPS) of ISOLDE. Systematics of changes in mean-square charge radii for A=183-199 Au isotopes. Systematics of magnetic moments of the 9/2-, πh9/2 states in Bi, Th, Au and Fr isotopes.
doi: 10.1103/PhysRevC.101.064321
2020BL06 Rev.Mod.Phys. 92, 045007 (2020) K.Blaum, S.Eliseev, F.A.Danevich, V.I.Tretyak, S.Kovalenko, M.I.Krivoruchenko, Y.N.Novikov, J.Suhonen Neutrinoless double-electron capture RADIOACTIVITY 74Se, 96Ru, 106Cd, 112Sn, 124Xe, 136Ce, 152Gd, 156Dy, 164Er, 180W, 184Os, 190Pt, 148,150Gd, 154Dy, 194Hg, 202Pb(2EC); analyzed available data; calculated nuclear matrix elements, T1/2 boundaries.
doi: 10.1103/RevModPhys.92.045007
2020BL07 Rev.Mod.Phys. 92, 045007 (2020) K.Blaum, S.Eliseev, F.A.Danevich, V.I.Tretyak, S.Kovalenko, M.I.Krivoruchenko, Y.N.Novikov, J.Suhonen Neutrinoless double-electron capture RADIOACTIVITY 74Se, 96Ru, 106Cd, 112Sn, 124Xe, 136Ce, 152Gd, 154,156Dy, 164Er, 180W, 184Os, 190Pt, 148,150Gd, 194Hg, 202Pb(2EC); calculated nuclear matrix elements, T1/2. Comparison with available data.
doi: 10.1103/RevModPhys.92.045007
2020CA27 Phys.Rev. C 102, 054310 (2020) R.F.Casten, R.B.Cakirli, D.Bonatsos, K.Blaum Simple new signature of structure in deformed nuclei: Distinguishing the nature of axial asymmetry NUCLEAR STRUCTURE 154,156,158,160,162Gd, 158,160,162,164,166Dy, 162,164,168,170,172Er, 164,166,168,170,172,174,176Yb, 168,170,172,174,176,178,180Hf, 170,172,174,176,178,180,182,184,186,188W, 182,184,186,188,190,192Os, 186,188,190,192,194,196Pt; analyzed ratios of two γ-band to ground-band experimental transition energies as a function of spin, and ratios of the inertial parameters between the γ bands and the ground bands; deduced a new and robust signature of structure of well-deformed and transitional even-even nuclei.
doi: 10.1103/PhysRevC.102.054310
2020CU04 Phys.Rev. C 102, 044332 (2020) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, V.Manea, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, S.Kreim, D.Lunney, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, G.G.O'Neill, R.D.Page, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, A.Stott, C.Van Beveren, P.Van Duppen, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Laser-assisted decay spectroscopy and mass spectrometry of 178Au NUCLEAR MOMENTS 178,178mAu; measured hyperfine structure spectrum using multireflection time-of-flight mass spectrometer (MR-ToF MS) at CERN-ISOLDE; deduced spins based on hyperfine structure intensity patterns, magnetic dipole moments, Nilsson configurations. ATOMIC MASSES 178,178mAu; measured cyclotron frequency using time-of-flight ion-cyclotron (TOF-ICR) technique using Penning-trap system of ISOLTRAP at CERN-ISOLDE; deduced mass excesses, and excitation energy of the isomer in 178Au. RADIOACTIVITY 178,178mAu(α), (EC), (β+)[from U(p, X), E=1.4 GeV, followed by laser ionization and separation by mass-to-charge ratio using the GPS, then transported to Windmill (WM) system]; 178Pt(α)[from 178Au ϵ decay]; measured Eα, Iα, Eγ, Iγ, αγ-coin, α(x rays)-coin, half-lives of decays of 178Au and 178mAu using Si detectors for α particles and LEGe detector for γ rays. 178,178mAu; deduced branching ratios for α and ϵ decay modes, reduced α-decay widths, α-hindrance factors (HF), Nilsson configurations. 174,174mIr; deduced levels, J, total conversion coefficient for 56.8-keV transition in 174Ir, multipolarities, configurations, energy of the isomer. 174Ir(α)[from 178Au α decay]; measured αγ-coin. 170Re; deduced possible isomer in 170Re.
doi: 10.1103/PhysRevC.102.044332
2020FU05 Phys.Rev. C 102, 054311 (2020) C.Y.Fu, Y.H.Zhang, M.Wang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, X.C.Chen, J.J.He, S.Kubono, M.Z.Sun, X.L.Tu, Y.M.Xing, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu Mass measurements for the Tz= -2 fp-shell nuclei 40Ti, 44Cr, 46Mn, 48Fe, 50Co, and 52Ni ATOMIC MASSES 40Ti, 44Cr, 46Mn, 48Fe, 50Co, 52Ni; measured revolution time spectrum of stored ions by time-of-flight detectors, and mass excesses using isochronous mass spectrometry at CSRe-HIRFL, Lanzhou. Isotopes produced in 9Be(58Ni, X), E=468 MeV/nucleon reaction and separated using RIBLL2. Comparison with AME-2016 evaluation, and with theoretical calculations using four mass-models. A=44, 46, 50, 52; analyzed isospin multiplet mass equation (IMME) and T=2 quintets. 44V; proposed isobaric analog state (IAS). RADIOACTIVITY 44Cr(β+), (β+p); analyzed decay scheme; deduced β feedings, logft values, B(GT) from the branching ratios of β+-delayed protons and Q values.
doi: 10.1103/PhysRevC.102.054311
2020HA24 Phys.Rev. C 102, 024312 (2020) R.D.Harding, A.N.Andreyev, A.E.Barzakh, D.Atanasov, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, K.Blaum, T.E.Cocolios, T.Day Goodacre, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, D.T.Joss, F.Herfurth, M.Huyse, N.Imai, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, D.Neidherr, R.D.Page, A.Pastore, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Laser-assisted decay spectroscopy for the ground states of 180, 182Au NUCLEAR MOMENTS 180,182Au; measured hyperfine structure spectra, magnetic moments of the ground states using the ISOLTRAP Multi-Reflection Time-of-Flight Mass Spectrometer and laser spectroscopy at ISOLDE, CERN; deduced J, π, Nilsson configurations of ground states. Comparison with theoretical magnetic moments, and with previous experimental results. Laser-ionized and mass-separated 180,182Au isotopes formed in 238U(p, X), E=1.4 GeV spallation reaction. RADIOACTIVITY 180Au(α), (β+)[from 238U(p, X), E=1.4 GeV, followed by separation using RILIS, General purpose separator (GPS) at ISOLDE-CERN]; measured Eα, Iα, Eγ, Iγ, I(x rays), αγ- and γγ-coin, half-life of 180Au decay. 176Ir; deduced levels, J, π, α-branching ratio, total conversion coefficients, multipolarities, α-hindrance factors.
doi: 10.1103/PhysRevC.102.024312
2020KA22 Phys.Rev.Lett. 124, 132502 (2020) S.Kaufmann, J.Simonis, S.Bacca, J.Billowes, M.L.Bissell, K.Blaum, B.Cheal, R.F.Garcia Ruiz, W.Gins, C.Gorges, G.Hagen, H.Heylen, A.Kanellakopoulos, S.Malbrunot-Ettenauer, M.Miorelli, R.Neugart, G.Neyens, W.Nortershauser, R.Sanchez, S.Sailer, A.Schwenk, T.Ratajczyk, L.V.Rodriguez, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Charge Radius of the Short-Lived 68Ni and Correlation with the Dipole Polarizability NUCLEAR MOMENTS 58,60,61,62,64,68Ni; measured frequencies; deduced resonance spectra, isotope shifts, nuclear charge radii. Comparison with novel coupled-cluster calculations.
doi: 10.1103/PhysRevLett.124.132502
2020KA58 Phys.Rev. C 102, 054331 (2020) A.Kanellakopoulos, X.F.Yang, M.L.Bissell, M.L.Reitsma, S.W.Bai, J.Billowes, K.Blaum, A.Borschevsky, B.Cheal, C.S.Devlin, R.F.Garcia Ruiz, H.Heylen, S.Kaufmann, K.Konig, A.Koszorus, S.Lechner, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, T.Ratajczyk, L.V.Rodriguez, S.Sels, S.J.Wang, L.Xie, Z.Y.Xu, D.T.Yordanov Nuclear moments of germanium isotopes near N = 40 NUCLEAR MOMENTS 69,71,73Ge; measured hyperfine structure spectra using collinear laser spectroscopy setup COLLAPS at ISOLDE-CERN; deduced magnetic electric hyperfine structure constants, magnetic dipole moment μ, and electric quadrupole moment Q, with the hyperfine fields for the atomic levels calculated using state-of-the-art atomic relativistic Fock-space coupled-cluster method. Comparison with previous experimental results, and with large-scale shell-model calculations using JUN45 interaction, suggesting mixed wave-function configurations. Systematics of low-energy levels, g factors and quadrupole moments of 67,69,71,73Zn, 69,71,73,75Ge, 73Se. 69,71,73Ge isotopes produced in Zr(p, X), E=1.4 GeV reaction, followed by acceleration of germanium ions to 50 keV, and mass separation using the high-resolution isotope separator (HRS), and finally bunched in a gas-filled linear Paul trap (ISCOOL).
doi: 10.1103/PhysRevC.102.054331
2020KR12 Phys.Rev. A 102, 042825 (2020) F.M.Kroger, G.Weber, M.O.Herdrich, J.Glorius, C.Langer, Z.Slavkovska, L.Bott, C.Brandau, B.Bruckner, K.Blaum, X.Chen, S.Dababneh, T.Davinson, P.Erbacher, S.Fiebiger, T.Gassner, K.Gobel, M.Groothuis, A.Gumberidze, Gy.Gyurky, S.Hagmann, C.Hahn, M.Heil, R.Hess, R.Hensch, P.Hillmann, P.-M.Hillenbrand, O.Hinrichs, B.Jurado, T.Kausch, A.Khodaparast, T.Kisselbach, N.Klapper, C.Kozhuharov, D.Kurtulgil, G.Lane, C.Lederer-Woods, M.Lestinsky, S.Litvinov, Yu.A.Litvinov, B.Loher, F.Nolden, N.Petridis, U.Popp, M.Reed, R.Reifarth, M.S.Sanjari, H.Simon, U.Spillmann, M.Steck, J.Stumm, T.Szucs, T.T.Nguyen, A.Taremi Zadeh, B.Thomas, S.Yu.Torilov, H.Tornqvist, C.Trageser, S.Trotsenko, M.Volknandt, M.Weigand, C.Wolf, P.J.Woods, V.P.Shevelko, I.Yu.Tolstikhina, Th.Stohlker Electron capture of Xe54+ in collisions with H2 molecules in the energy range between 5.5 and 30.9 MeV/u NUCLEAR REACTIONS H(Xe, X), E=5.5-30.9 MeV/nucleon; measured reaction products, X-rays; deduced X-ray spectra, electron-capture σ. Comparison with available data.
doi: 10.1103/PhysRevA.102.042825
2020KU19 Nucl.Phys. A1002, 121990 (2020) I.Kulikov, A.Algora, D.Atanasov, P.Ascher, K.Blaum, R.B.Cakirli, A.Herlert, W.J.Huang, J.Karthein, Yu.A.Litvinov, D.Lunney, V.Manea, M.Mougeot, L.Schweikhard, A.Welker, F.Wienholtz Masses of short-lived 49Sc, 50Sc, 70As, 73Br and stable 196Hg nuclides ATOMIC MASSES 49,50Sc, 70As, 73Br, 196Hg; measured frequencies, time of flight; deduced mass excesses. Comparison with AME2016 evaluation.
doi: 10.1016/j.nuclphysa.2020.121990
2020MA09 Phys.Rev.Lett. 124, 092502 (2020) V.Manea, J.Karthein, D.Atanasov, M.Bender, K.Blaum, T.E.Cocolios, S.Eliseev, A.Herlert, J.D.Holt, W.J.Huang, Y.A.Litvinov, D.Lunney, J.Menendez, M.Mougeot, D.Neidherr, L.Schweikhard, A.Schwenk, J.Simonis, A.Welker, F.Wienholtz, K.Zuber First Glimpse of the N=82 Shell Closure below Z=50 from Masses of Neutron-Rich Cadmium Isotopes and Isomers ATOMIC MASSES 124,126,127,127m,128,129,129m,131,132Cd; measured mass excesses using phase-imaging ion cyclotron-resonance (PI-ICR) method with the ISOLTRAP spectrometer at ISOLDE-CERN. Cd isotopes were produced in U(p, F), E=1.4 GeV reaction followed by separation of fission fragments using ISOLDE High-resolution separator. Comparison with literature data in AME2016 evaluation, and with large-scale shell-model, mean-field, beyond-mean-field, and ab initio valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(n) for N=81, 83 and Z=48-68, and for two-neutron shell gaps for N=82, Z=42-70 nuclei.
doi: 10.1103/PhysRevLett.124.092502
2020MO25 Phys.Rev. C 102, 014301 (2020) M.Mougeot, D.Atanasov, C.Barbieri, K.Blaum, M.Breitenfeld, A.de Roubin, T.Duguet, S.George, F.Herfurth, A.Herlert, J.D.Holt, J.Karthein, D.Lunney, V.Manea, P.Navratil, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Schwenk, V.Soma, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Examining the N=28 shell closure through high-precision mass measurements of 46-48Ar ATOMIC MASSES 46,47,48Ar; measured Ramsey-type time-of-flight ion-cyclotron-resonances (TOF-ICR), mass excesses using the ISOLTRAP Penning trap mass spectrometer at CERN-ISOLDE. Comparison with previous experimental results, and with AME2016 and AME2012 evaluations. Radioactive argon isotopes produced in U(p, F), E=1.4 GeV reaction, and separated using ISOLTRAP on-line mass spectrometer and the ISOLDE High-Resolution Separator (HRS). Comparison with ab initio calculations using the valence space in-medium similarity renormalization group (VS-IMSRG) with self-consistent Green's function approach, and with the predictions from the UNEDF0 density functional, SDPF-U shell model. Systematics of S(2n) and pairing gaps in N=24-32 S, Cl, Ar, K, and Ca isotopes.
doi: 10.1103/PhysRevC.102.014301
2020RI04 Phys.Rev.Lett. 124, 113001 (2020) A.Rischka, H.Cakir, M.Door, P.Filianin, Z.Harman, W.J.Huang, P.Indelicato, C.H.Keitel, C.M.Konig, K.Kromer, M.Muller, Y.N.Novikov, R.X.Schussler, C.Schweiger, S.Eliseev, K.Blaum Mass-Difference Measurements on Heavy Nuclides with an eV/c2 Accuracy in the PENTATRAP Spectrometer ATOMIC MASSES 126,128,129,131,132,134Xe; measured frequencies; deduced mass differences of five pairs of stable xenon isotopes. The novel cryogenic multi-Penning-trap mass spectrometer PENTATRAP.
doi: 10.1103/PhysRevLett.124.113001
2020RO19 Phys.Rev. C 102, 051301(R) (2020) L.V.Rodriguez, D.L.Balabanski, M.L.Bissell, K.Blaum, B.Cheal, G.De Gregorio, J.Ekman, R.F.Garcia Ruiz, A.Gargano, G.Georgiev, W.Gins, C.Gorges, H.Heylen, A.Kanellakopoulos, S.Kaufmann, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, R.Neugart, G.Neyens, W.Nortershauser, S.Sailer, R.Sanchez, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Doubly-magic character of 132Sn studied via electromagnetic moments of 133Sn NUCLEAR MOMENTS 133Sn; measured hyperfine structure spectra, magnetic dipole moment (μ) and electric quadrupole moment (Q) using high-resolution collinear laser spectroscopy at ISOLDE-CERN facility; deduced 1f7/2 neutron orbital configuration for 133Sn g.s., and doubly-magic character of 132Sn. 133Sn activity produced in fission of a uranium carbide target by neutrons from spallation reaction on tungsten by high-energy protons, followed by laser ionization and mass selection through a linear Paul trap. Systematics of magnetic dipole moments (μ) and electric quadrupole moments (Q) for N=83 isotones: 133Sn, 135Te, 137Xe, 139Ba, 141Ce, 143Nd, 145Sm, 147Gd and 149Dy. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.102.051301
2020YO07 Commun. Phys. 3, 107 (2020) D.T.Yordanov, L.V.Rodriguez, D.L.Balabanski, J.Bieron, M.L.Bissell, K.Blaum, B.Cheal, J.Ekman, G.Gaigalas, R.F.G.Ruiz, G.Georgiev, W.Gins, M.R.Godefroid, C.Gorges, Z.Harman, H.Heylen, P.Jonsson, A.Kanellakopoulos, S.Kaufmann, C.H.Keitel, V.Lagaki, S.Lechner, B.Maass, S.Malbrunot-Ettenauer, W.Nazarewicz, R.Neugart, G.Neyens, W.Nortershauser, N.S.Oreshkina, A.Papoulia, P.Pyykko, P.-G.Reinhard, S.Sailer, R.Sanchez, S.Schiffmann, S.Schmidt, L.Wehner, C.Wraith, L.Xie, Z.Xu, X.Yang Structural trends in atomic nuclei from laser spectroscopy of tin NUCLEAR MOMENTS 109,115,117,119,121,123,125,127,129,131Sn; measured frequency scales relative to the fine-structure splittings in the transitions; deduced mean square charge-radii changes, high-precision magnetic moments, quadrupole moments.
doi: 10.1038/s42005-020-0348-9
2019AR06 Phys.Rev.Lett. 122, 253001 (2019) I.Arapoglou, A.Egl, M.Hocker, T.Sailer, B.Tu, A.Weigel, R.Wolf, H.Cakir, V.A.Yerokhin, N.S.Oreshkina, V.A.Agababaev, A.V.Volotka, D.V.Zinenko, D.A.Glazov, Z.Harman, C.H.Keitel, S.Sturm, K.Blaum g Factor of Boronlike Argon 40Ar12+ ATOMIC PHYSICS 40Ar; measured frequencies; deduced resonances, the ground-state g factor of boronlike argon with uncertainties.
doi: 10.1103/PhysRevLett.122.253001
2019AS04 Phys.Rev. C 100, 014304 (2019) P.Ascher, N.Althubiti, D.Atanasov, K.Blaum, R.B.Cakirli, S.Grevy, F.Herfurth, S.Kreim, D.Lunney, V.Manea, D.Neidherr, M.Rosenbusch, L.Schweikhard, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Mass measurements of neutron-rich isotopes near N=20 by in-trap decay with the ISOLTRAP spectrometer ATOMIC MASSES 33,34Mg, 34Al, 34mAl, 34Si; measured cyclotron frequency ratios, and mass excesses using the ISOLTRAP Penning-trap spectrometer at ISOLDE-CERN. Combined mass excess for 34Al and 34mAl, as the two could not be separated. Comparison with AME-2016 evaluation. The 33,34Mg and 34Al isotopes were produced in UCx(p, X), E=1.4 GeV reaction, followed by laser-ionization by RILIS at ISOLDE-CERN. 34mAl and 34Si were obtained from the decay of 34Mg.
doi: 10.1103/PhysRevC.100.014304
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
2019GL01 Phys.Rev.Lett. 122, 092701 (2019) J.Glorius, C.Langer, Z.Slavkovska, L.Bott, C.Brandau, B.Bruckner, K.Blaum, X.Chen, S.Dababneh, T.Davinson, P.Erbacher, S.Fiebiger, T.Gassner, K.Gobel, M.Groothuis, A.Gumberidze, G.Gyurky, M.Heil, R.Hess, R.Hensch, P.Hillmann, P.-M.Hillenbrand, O.Hinrichs, B.Jurado, T.Kausch, A.Khodaparast, T.Kisselbach, N.Klapper, C.Kozhuharov, D.Kurtulgil, G.Lane, C.Lederer-Woods, M.Lestinsky, S.Litvinov, Y.A.Litvinov, B.Loher, F.Nolden, N.Petridis, U.Popp, T.Rauscher, M.Reed, R.Reifarth, M.S.Sanjari, D.Savran, H.Simon, U.Spillmann, M.Steck, T.Stohlker, J.Stumm, A.Surzhykov, T.Szucs, T.T.Nguyen, A.Taremi Zadeh, B.Thomas, S.Yu.Torilov, H.Tornqvist, M.Trager, C.Trageser, S.Trotsenko, L.Varga, M.Volknandt, H.Weick, M.Weigand, C.Wolf, P.J.Woods, Y.M.Xing Approaching the Gamow Window with Stored Ions: Direct Measurement of 124Xe(p, γ) in the ESR Storage Ring NUCLEAR REACTIONS 124Xe(p, γ), E=5.5-8 MeV/nucleon; measured reaction products, X-rays; deduced σ, σ(θ).
doi: 10.1103/PhysRevLett.122.092701
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
2019HE19 Phys.Rev. A 100, 022518 (2019) F.Heisse, S.Rau, F.Kohler-Langes, W.Quint, G.Werth, S.Sturm, K.Blaum High-precision mass spectrometer for light ions ATOMIC MASSES 1H, 16O; measured cyclotron frequencies; deduced masses. A cryogenic multi-Penning-trap setup, LIONTRAP (Light-Ion Trap).
doi: 10.1103/PhysRevA.100.022518
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
2019KA30 Phys.Rev. C 100, 015502 (2019);Erratum Phys. Rev. C 101, 049901 (2020) J.Karthein, D.Atanasov, K.Blaum, M.Breitenfeldt, V.Bondar, S.George, L.Hayen, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, L.Schweikhard, N.Severijns, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber QEC-value determination for 21Na → 21Ne and 23Mg → 23Na mirror-nuclei decays using high-precision mass spectrometry with ISOLTRAP at the CERN ISOLDE facility ATOMIC MASSES 21Na, 23Mg; measured time-of-flight spectrum using laser ionization, Ramsey-type ion-cyclotron resonances, cyclotron frequency ratios using ISOLTRAP at ISOLDE-CERN facility; deduced Q(ϵ) values. Comparison with previous measurements. RADIOACTIVITY 21Na, 23Mg(EC)[from SiC(p, X), E=1.4 GeV from CERN Proton-Synchrotron booster, followed by magnetic mass separation using the general-purpose separator (GPS), laser ion source VADLIS, and ISOLDE resonant ionization laser ion source RILIS]; deduced Q(ϵ) from measured mass excesses, logft, up-down Vud element of the Cabibbo-Kobayashi-Maskawa quark mixing matrix. Comparison between Vud values for mirror-nuclei: 19Ne, 29P, 35Ar, 37K and 21Na.
doi: 10.1103/PhysRevC.100.015502
2019KA48 Hyperfine Interactions 240, 61 (2019) J.Karthein, D.Atanasov, K.Blaum, S.Eliseev, P.Filianin, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, Y.Novikov, L.Schweikhard, A.Welker, F.Wienholtz, K.Zuber Direct decay-energy measurement as a route to the neutrino mass RADIOACTIVITY 131Cs(EC); measured decay products, frequencies; deduced Q-value, mass excess, excluded this transition for neutrino mass measurements.
doi: 10.1007/s10751-019-1601-z
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
2019VE09 Eur.Phys.J. C 79, 1026 (2019) C.Velte, F.Ahrens, A.Barth, K.Blaum, M.Brass, M.Door, H.Dorrer, Ch.E.Dullmann, S.Eliseev, C.Enss, P.Filianin, A.Fleischmann, L.Gastaldo, A.Goeggelmann, T.Day Goodacre, M.W.Haverkort, D.Hengstler, J.Jochum, K.Johnston, M.Keller, S.Kempf, T.Kieck, C.M.Konig, U.Koster, K.Kromer, F.Mantegazzini, B.Marsh, Yu.N.Novikov, F.Piquemal, C.Riccio, D.Richter, A.Rischka, S.Rothe, R.X.Schussler, Ch.Schweiger, T.Stora, M.Wegner, K.Wendt, M.Zampaolo, K.Zuber High-resolution and low-background 163Ho spectrum: interpretation of the resonance tails RADIOACTIVITY 163Ho(EC) [from 162Er(n, γ), E thermal]; measured decay products, Eβ, Iβ; deduced energy spectrum, Q-value. Comparison with available data.
doi: 10.1140/epjc/s10052-019-7513-x
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
2019XU09 Phys.Rev. C 99, 064303 (2019) X.Xu, M.Wang, K.Blaum, J.D.Holt, Yu.A.Litvinov, A.Schwenk, J.Simonis, S.R.Stroberg, Y.H.Zhang, H.S.Xu, P.Shuai, X.L.Tu, X.H.Zhou, F.R.Xu, G.Audi, R.J.Chen, X.C.Chen, C.Y.Fu, Z.Ge, W.J.Huang, S.Litvinov, D.W.Liu, Y.H.Lam, X.W.Ma, R.S.Mao, A.Ozawa, B.H.Sun, Y.Sun, T.Uesaka, G.Q.Xiao, Y.M.Xing, T.Yamaguchi, Y.Yamaguchi, X.L.Yan, Q.Zeng, H.W.Zhao, T.C.Zhao, W.Zhang, W.L.Zhan Masses of neutron-rich 52-54Sc and 54, 56Ti nuclides: The N=32 subshell closure in scandium ATOMIC MASSES 52,53,54Sc, 54,56Ti; measured mass excesses using isochronous mass spectrometry at CRSe-HIRFL, Lanzhou. Isotopes produced in 9Be(86Kr, X), E=460.65 MeV/nucleon reaction and separated using RIBLL2. Comparison with AME-2012 evaluation, and results from six previous experiments, and with valence-space in-medium similarity renormalization group (VS-IMSRG) calculations. Systematics of S(2n) values in N=27-34 K, Ca, Sc, Ti isotopic chains, and those of empirical shell gaps in N=24-34 K, Ca, Sc, Ti isotopic chains and Z=19-25 N=32 isotones.
doi: 10.1103/PhysRevC.99.064303
2019XU13 Phys.Rev. C 100, 051303 (2019) X.Xu, J.H.Liu, C.X.Yuan, Y.M.Xing, M.Wang, Y.H.Zhang, X.H.Zhou, Yu.A.Litvinov, K.Blaum, R.J.Chen, X.C.Chen, C.Y.Fu, B.S.Gao, J.J.He, S.Kubono, Y.H.Lam, H.F.Li, M.L.Liu, X.W.Ma, P.Shuai, M.Si, M.Z.Sun, X.L.Tu, Q.Wang, H.S.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, P.Zhang, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, S.Naimi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, K.Kaneko, Y.Sun, F.R.Xu Masses of ground and isomeric states of 101In and configuration-dependent shell evolution in odd-$A$ indium isotopes ATOMIC MASSES 101In, 101mIn; measured mass excesses using storage-ring based isochronous mass spectrometry technique; deduced energy of the isomeric state. Comparison with systematic values in AME-2016 values. Systematics of 1/2- isomeric states in 101,103,105,107,109,111In, data from the present experiment for 101In and from the ENSDF database for others. NUCLEAR STRUCTURE 101,103,105,107,109,111,113In; calculated energies of the 1/2- isomeric levels, neutron occupation numbers for 1/2- and 9/2+ levels, neutron effective single-particle energies of ν1g7/2 with respect to ν2d5/2 for 9/2+ and 1/2- levels using state-of-the-art shell-model calculations. Comparison with available experimental data. NUCLEAR REACTIONS 9Be(112Sn, X)31P/33S/35Cl/37Ar/39K/58Ni/60Cu/62Zn/64Ga/66Ge/68As/70Se/72Br/74Rb/76Rb/78Sr/80Y/89Tc/91Ru/91mRu/93Rh/95Pd/95mPd/97Ag/99Cd/101In/101mIn/103Sn, E=400.88 MeV/nucleon; measured reaction products selected and analyzed by RIBLL2 separator, and revolution time spectrum at the Cooler Storage Ring (CSR) accelerator complex of HIRFL-Lanzhou facility.
doi: 10.1103/PhysRevC.100.051303
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
2019YU04 Phys.Rev. C 100, 054609 (2019); Erratum Phys.Rev. C 102, 049901 (2020) K.Yue, J.T.Zhang, X.L.Tu, C.J.Shao, H.X.Li, P.Ma, B.Mei, X.C.Chen, Y.Y.Yang, X.Q.Liu, Y.M.Xing, K.H.Fang, X.H.Li, Z.Y.Sun, M.Wang, P.Egelhof, Yu.A.Litvinov, K.Blaum, Y.H.Zhang, X.H.Zhou Measurement of 58Ni(p, p)58Ni elastic scattering at low momentum transfer by using the HIRFL-CSR heavy-ion storage ring NUCLEAR REACTIONS 1H(58Ni, p), E=95 MeV/nucleon; measured Ep, Ip, E(x-ray), I(x-ray), absolute differential σ(θ) using a single-sided silicon detector (SSSD) detector at the Cooler Storage Ring (CSRe) at the Heavy Ion Research Facility in Lanzhou (HIRFL-CSR); deduced nuclear matter rms value. Comparison with KDO3 and LC08 optical model calculations, and with previous experimental results.
doi: 10.1103/PhysRevC.100.054609
2018BO01 J.Phys.(London) G45, 010301 (2018) Focus on Exotic Beams at ISOLDE: A Laboratory Portrait
doi: 10.1088/1361-6471/aa990f
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
2018CU04 Phys.Lett. B 786, 355 (2018) J.G.Cubiss, A.E.Barzakh, A.N.Andreyev, M.Al Monthery, N.Althubiti, B.Andel, S.Antalic, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, A.de Roubin, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.P.Gaffney, L.Ghys, A.Gredley, R.D.Harding, F.Herfurth, M.Huyse, N.Imai, D.T.Joss, U.Koster, S.Kreim, V.Liberati, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, P.Mosat, D.Neidherr, G.G.O'Neill, R.D.Page, T.J.Procter, E.Rapisarda, M.Rosenbusch, S.Rothe, K.Sandhu, L.Schweikhard, M.D.Seliverstov, S.Sels, P.Spagnoletti, V.L.Truesdale, C.Van Beveren, P.Van Duppen, M.Veinhard, M.Venhart, M.Veselsky, F.Wearing, A.Welker, F.Wienholtz, R.N.Wolf, S.G.Zemlyanoy, K.Zuber Change in structure between the I=1/2 states in 181Tl and 177, 179Au RADIOACTIVITY 181Tl(α) [from U(p, X), E=1.4 GeV]; measured decay products, Eα, Iα; deduced α-decay branching ratio and T1/2. Comparison with available data. NUCLEAR MOMENTS 177,179Au; measured frequencies; deduced hyperfine spectra, magnetic dipole moments, J assignments of the ground states.
doi: 10.1016/j.physletb.2018.10.005
2018FU11 Phys.Rev. C 98, 014315 (2018) C.Y.Fu, Y.H.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, K.Blaum, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, T.Bao, X.C.Chen, H.Chen, J.J.He, S.Kubono, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, P.Zhang, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu Masses of the Tz = -3/2 nuclei 27P and 29S ATOMIC MASSES 27P, 29S; measured revolution time spectrum, and mass excesses using isochronous mass spectrometry (IMS) technique at Cooler Storage Ring (CSR) of HIRFL-Lanzhou facility. 29S, 29P, 29Si, 29Al; analyzed linear and quadratic coefficients of the isobaric multiplet mass equation (IMME). Comparison with AME-2016 values. 27P, 29S; isotopes produced in 9Be(58Ni, X), E=468 MeV/nucleon reaction, and using RIBLL2 fragment separator.
doi: 10.1103/PhysRevC.98.014315
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
2018JE02 Nat.Phys. 14, 524 (2018) Balancing energy and mass with neutrons
doi: 10.1038/s41567-018-0132-x
2018MO14 Phys.Rev.Lett. 120, 232501 (2018) M.Mougeot, D.Atanasov, K.Blaum, K.Chrysalidis, T.Day Goodacre, D.Fedorov, V.Fedosseev, S.George, F.Herfurth, J.D.Holt, D.Lunney, V.Manea, B.Marsh, D.Neidherr, M.Rosenbusch, S.Rothe, L.Schweikhard, A.Schwenk, C.Seiffert, J.Simonis, S.R.Stroberg, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber Precision Mass Measurements of 58-63Cr: Nuclear Collectivity Towards the N=40 Island of Inversion ATOMIC MASSES 58,59,60,61,62,63Cr; measured cyclotron frequency, TOF; deduced mass excesses. Comparison with AME16, theoretical calculations.
doi: 10.1103/PhysRevLett.120.232501
2018SC05 Phys.Lett. B 779, 324 (2018) S.Schmidt, J.Billowes, M.L.Bissell, K.Blaum, R.F.Garcia Ruiz, H.Heylen, S.Malbrunot-Ettenauer, G.Neyens, W.Nortershauser, G.Plunien, S.Sailer, V.M.Shabaev, L.V.Skripnikov, I.I.Tupitsyn, A.V.Volotka, X.F.Yang The nuclear magnetic moment of 208Bi and its relevance for a test of bound-state strong-field QED NUCLEAR MOMENTS 208Bi; measured laser frequencies; deduced hfs spectra and coefficients, nuclear magnetic moment. Comparison with available data.
doi: 10.1016/j.physletb.2018.02.024
2018TU03 Phys.Rev. C 97, 014321 (2018) X.L.Tu, X.C.Chen, J.T.Zhang, P.Shuai, K.Yue, X.Xu, C.Y.Fu, Q.Zeng, X.Zhou, Y.M.Xing, J.X.Wu, R.S.Mao, L.J.Mao, K.H.Fang, Z.Y.Sun, M.Wang, J.C.Yang, Yu.A.Litvinov, K.Blaum, Y.H.Zhang, Y.J.Yuan, X.W.Ma, X.H.Zhou, H.S.Xu First application of combined isochronous and Schottky mass spectrometry: Half-lives of fully ionized 49Cr24+ and 53Fe26+ atoms RADIOACTIVITY 49Cr, 53Fe(β+)[from 9Be(58Ni, X), E=430.8 MeV/nucleon followed by separation of fragments using projectile fragment separator RIBLL2]; measured half-life of bare (fully-ionized) ions by isochronous and Schottky mass spectrometry technique using experimental cooler storage ring (CSRe) at the Heavy Ion Research Facility, Lanzhou (HIRFL-CSR). Comparison with half-lives of neutral atoms.
doi: 10.1103/PhysRevC.97.014321
2018XI04 Phys.Lett. B 781, 358 (2018) Y.M.Xing, K.A.Li, Y.H.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, K.Blaum, S.Wanajo, S.Kubono, G.Martinez-Pinedo, A.Sieverding, R.J.Chen, P.Shuai, C.Y.Fu, X.L.Yan, W.J.Huang, X.Xu, X.D.Tang, H.S.Xu, T.Bao, X.C.Chen, B.S.Gao, J.J.He, Y.H.Lam, H.F.Li, J.H.Liu, X.W.Ma, R.S.Mao, M.Si, M.Z.Sun, X.L.Tu, Q.Wang, J.C.Yang, Y.J.Yuan, Q.Zeng, P.Zhang, X.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, C.Frohlich, T.Rauscher, F.-K.Thielemann, B.H.Sun, Y.Sun, A.C.Dai, F.R.Xu Mass measurements of neutron-deficient Y, Zr, and Nb isotopes and their impact on rp and νp nucleosynthesis processes ATOMIC MASSES 78,79Y, 80,81Zr, 82,83,84Nb, 84Mo; measured revolution time spectrum; deduced mass excess values and proton separation energies. Comparison with available data.
doi: 10.1016/j.physletb.2018.04.009
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
2018YO07 Phys.Rev. C 98, 011303 (2018) D.T.Yordanov, D.L.Balabanski, M.L.Bissell, K.Blaum, A.Blazhev, I.Budincevic, N.Frommgen, Ch.Geppert, H.Grawe, M.Hammen, K.Kreim, R.Neugart, G.Neyens, W.Nortershauser Spins and electromagnetic moments of 101-109Cd NUCLEAR MOMENTS 101,103,105,107,109Cd; measured hyperfine spectra using high-resolution collinear laser spectroscopy (COLLAPS) at ISOLDE-CERN; deduced hyperfine structure constants A and B, J, magnetic dipole moment μ, electric quadrupole moment Q. Comparison with large-scale shell-model calculations using SR88MHJM Hamiltonian and with values from literature. Systematics of electromagnetic moments for A=99-111 Sn isotopes. 99Cd; predicted quadrupole moment from systematics. Activities produced in Sn(p, X) reaction and ion beams accumulated in a radio-frequency Paul trap.
doi: 10.1103/PhysRevC.98.011303
2018ZH29 Phys.Rev. C 98, 014319 (2018) Y.H.Zhang, P.Zhang, X.H.Zhou, M.Wang, Yu.A.Litvinov, H.S.Xu, X.Xu, P.Shuai, Y.H.Lam, R.J.Chen, X.L.Yan, T.Bao, X.C.Chen, H.Chen, C.Y.Fu, J.J.He, S.Kubono, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, Q.Zeng, X.Zhou, W.L.Zhan, S.Litvinov, K.Blaum, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu Isochronous mass measurements of Tz = -1 fp-shell nuclei from projectile fragmentation of 58Ni ATOMIC MASSES 43Ti, 44,44m,45V, 46,47Cr, 48,49Mn, 50,51Fe, 52,52mCo, 54Ni, 56Cu; measured time revolution spectra, and mass excesses using isochronous mass spectrometry (IMS) technique using Cooler Storage Ring (CSRm) at HIRFL-Lanzhou. Comparison with AME-2012 evaluation, and with predictions of several mass models. 52,52mCo, 44,44mV; deduced precise energies of the isomeric states from direct mass measurements, and compared with previously known values. 52,52mCo, 52Mn; deduced revised level energies in 52Co from new mass measurements for 52,52mCo and known level energies in 52Mn mirror nucleus. 56Co, 56Cu; deduced revised 56Cu level energies from new mass measurement for 56Cu and using known level energies of 56Co mirror nucleus. 52Co, 52Fe, 52Mn, 52Cr; analyzed quadratic and cubic fit coefficients of the isobaric multiplet mass equation (IMME). Discussed impact of new mass measurements on different aspects in nuclear structure. Isotopes produced in 9Be(58Ni, X), E=467.91 MeV/nucleon reaction, and fragments separated using RIBLL2 separator at Lanzhou.
doi: 10.1103/PhysRevC.98.014319
2017AL34 Phys.Rev. C 96, 044325 (2017) N.A.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, S.George, F.Herfurth, K.Heyde, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, B.A.Marsh, D.Neidherr, M.Rosenbusch, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, A.Welker, F.Wienholtz, R.N.Wolf, K.Zuber, for the ISOLTRAP Collaboration Spectroscopy of the long-lived excited state in the neutron-deficient nuclides 195, 197, 199Po by precision mass measurements ATOMIC MASSES 195,195m,196,197,197m,199m,203,208Po; measured cyclotron frequency ratios, mass excesses using ISOLTRAP Penning-trap mass spectrometer at ISOLDE-CERN. The Po isotopes produced in U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer. 191m,193mPb, 195m,197mPo, 199m,201mRn, 203m,205mRa; deduced level energies of 13/2+ isomers in odd-A polonium isotopes from mass measurements, and other isomers from α decay. Comparison with evaluated data in AME-2016. RADIOACTIVITY 195,195m,197,197m,199mPo(α)[from U(p, X), E=1.4 GeV using RILIS and high-resolution mass spectrometer at ISOLDE-CERN]; measured Eα, Iα.
doi: 10.1103/PhysRevC.96.044325
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
2017BO11 Phys.Rev. C 95, 064325 (2017) D.Bonatsos, I.E.Assimakis, N.Minkov, A.Martinou, R.B.Cakirli, R.F.Casten, K.Blaum Proxy-SU(3) symmetry in heavy deformed nuclei
doi: 10.1103/PhysRevC.95.064325
2017BO12 Phys.Rev. C 95, 064326 (2017) D.Bonatsos, I.E.Assimakis, N.Minkov, A.Martinou, S.Sarantopoulou, R.B.Cakirli, R.F.Casten, K.Blaum Analytic predictions for nuclear shapes, prolate dominance, and the prolate-oblate shape transition in the proxy-SU(3) model NUCLEAR STRUCTURE 112,114,116,118,120,122,124,126,128,130,144,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176Ba, 114,116,118,120,122,124,126,128,130,132,134,146,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178Ce, 116,118,120,122,124,126,128,130,132,134,136,148,150,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180Nd, 118,120,122,124,126,128,130,132,134,136,138,152,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182Sm, 120,122,124,126,128,130,132,134,136,138,140,154,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184Gd, 122,124,126,128,130,132,134,136,138,140,142,156,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186Dy, 124,126,128,130,132,134,136,138,140,142,146,158,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188Er, 126,128,130,132,134,136,138,140,142,146,148,160,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190Yb, 128,130,132,134,136,138,140,142,146,148,150,162,164,166,168,170,172,174,176,178,180,182,184,186,188,190,192Hf, 130,132,134,136,138,140,142,146,148,150,152,166,168,170,172,174,176,178,180,182,184,186,188,190,192,194W, 132,134,136,138,140,142,146,148,150,152,154,168,170,172,174,176,178,180,182,184,186,188,190,192,194,196Os, 134,136,138,140,142,146,148,150,152,154,156,178,180,182,184,186,188,190,192,194,196,198Pt; calculated β and γ deformations using a new approximate analytic parameter-free proxy-SU(3) model. Comparison with empirical results.
doi: 10.1103/PhysRevC.95.064326
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
2017GA14 Eur.Phys.J. Special Topics 226, 1623 (2017) L.Gastaldo, K.Blaum, K.Chrysalidis, T.Day Goodacre, A.Domula, M.Door, H.Dorrer, Ch.E.Dullmann, K.Eberhardt, S.Eliseev, C.Enss, A.Faessler, P.Filianin, A.Fleischmann, D.Fonnesu, L.Gamer, R.Haas, C.Hassel, D.Hengstler, J.Jochum, K.Johnston, U.Kebschull, S.Kempf, T.Kieck, U.Koster, S.Lahiri, M.Maiti, F.Mantegazzini, B.Marsh, P.Neroutsos, Yu.N.Novikov, P.C.O.Ranitzsch, S.Rothe, A.Rischka, A.Saenz, O.Sander, F.Schneider, S.Scholl, R.X.Schussler, Ch.Schweiger, F.Simkovic, T.Stora, Z.Szucs, A.Turler, M.Veinhard, M.Weber, M.Wegner, K.Wendt and K.Zuber The electron capture in 163Ho experiment - ECHo RADIOACTIVITY 163Ho(EC); measured decay products, X-rays; calculated electron capture spectrum; deduced sensitivity towards neutrino mass measurements.
doi: 10.1140/epjst/e2017-70071-y
2017GI07 Acta Phys.Pol. B48, 423 (2017) F.Giacoppo, K.Blaum, M.Block, P.Chhetri, Ch.E.Dullmann, C.Droese, S.Eliseev, P.Filianin, S.Gotz, Y.Gusev, F.Herfurth, F.P.Hessberger, O.Kaleja, J.Khuyagbaatar, M.Laatiaoui, F.Lautenschlager, C.Lorenz, G.Marx, E.Minaya Ramirez, A.Mistry, Yu.N.Novikov, W.R.Plass, S.Raeder, D.Rodriguez, D.Rudolph, L.G.Sarmiento, C.Scheidenberger, L.Schweikhard, P.Thirolf, A.Yakushev Recent Upgrades of the SHIPTRAP Setup: On the Finish Line Towards Direct Mass Spectroscopy of Superheavy Elements
doi: 10.5506/APhysPolB.48.423
2017HE14 Phys.Rev.Lett. 119, 033001 (2017) F.Heisse, F.Kohler-Langes, S.Rau, J.Hou, S.Junck, A.Kracke, A.Mooser, W.Quint, S.Ulmer, G.Werth, K.Blaum, S.Sturm High-Precision Measurement of the Proton's Atomic Mass ATOMIC MASSES 1H; measured proton axial frequency; deduced precise mass value. Penning-trap system, comparison with CODATA value.
doi: 10.1103/PhysRevLett.119.033001
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
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
2017SM01 Phys.Lett. B 769, 1 (2017) C.Smorra, A.Mooser, M.Besirli, M.Bohman, M.J.Borchert, J.Harrington, T.Higuchi, H.Nagahama, G.L.Schneider, S.Sellner, T.Tanaka, K.Blaum, Y.Matsuda, C.Ospelkaus, W.Quint, J.Walz, Y.Yamazaki, S.Ulmer Observation of individual spin quantum transitions of a single antiproton NUCLEAR MOMENTS 1H; measured antiproton single spin-transitions.
doi: 10.1016/j.physletb.2017.03.024
2017SM05 Nature(London) 550, 371 (2017) C.Smorra, S.Sellner, M.J.Borchert, J.A.Harrington, T.Higuchi, H.Nagahama, T.Tanaka, A.Mooser, G.Schneider, M.Bohman, K.Blaum, Y.Matsuda, C.Ospelkaus, W.Quint, J.Walz, Y.Yamazaki, S.Ulmer A parts-per-billion measurement of the antiproton magnetic moment NUCLEAR MOMENTS 1H; measured frequencies; deduced g factor, nuclear magnetic moment of the antiproton.
doi: 10.1038/nature24048
2017TU01 Phys.Rev. C 95, 014610 (2017) X.L.Tu, A.Kelic-Heil, Yu.A.Litvinov, Zs.Podolyak, Y.H.Zhang, W.J.Huang, H.S.Xu, K.Blaum, F.Bosch, R.J.Chen, X.C.Chen, C.Y.Fu, B.S.Gao, Z.Ge, Z.G.Hu, D.W.Liu, S.A.Litvinov, X.W.Ma, R.S.Mao, B.Mei, P.Shuai, B.H.Sun, Y.Sun, Z.Y.Sun, P.M.Walker, M.Wang, N.Winckler, J.W.Xia, G.Q.Xiao, Y.M.Xing, X.Xu, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Q.Zeng, W.Zhang, H.W.Zhao, T.C.Zhao, X.H.Zhou Application of isochronous mass spectrometry for the study of angular momentum population in projectile fragmentation reactions NUCLEAR REACTIONS 9Be(78Kr, X)53Fe/53mFe/53Co/53mCo, E=479.4 MeV/nucleon; measured revolution time spectra of the isomeric and ground states of 53Co and 53Fe using isochronous mass spectrometry (IMS) technique at HIRFL-CSR-Lanzhou facility; deduced isomeric ratios for the 19/2 state, and compared with the predictions of theoretical calculations using ABRABLA07 code. 53Fe; calculated production probability of 53Fe versus spin using ABRABLA07 code for the 58Ni, 78Kr, 84Kr, and 112Sn projectiles.
doi: 10.1103/PhysRevC.95.014610
2017WE09 Eur.Phys.J. A 53, 153 (2017) A.Welker, P.Filianin, N.A.S.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, S.Eliseev, F.Herfurth, S.Kreim, D.Lunney, V.Manea, D.Neidherr, Yu.Novikov, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Precision electron-capture energy in 202Pb and its relevance for neutrino mass determination ATOMIC PHYSICS 202Tl, 202Pb; measured cyclotron frequency of ionized atoms relative to 133Cs, 181Ta16O and 203Tl using Penning trap mass spectrometer ISOLTRAP at ISOLDE (CERN); deduced electron capture Q-value. Planned using EC capture to determine electron neutrino mass in few-eV level using cryogenic micro-calorimeter.
doi: 10.1140/epja/i2017-12345-y
2017WE16 Phys.Rev.Lett. 119, 192502 (2017) A.Welker, N.A.S.Althubiti, D.Atanasov, K.Blaum, T.E.Cocolios, F.Herfurth, S.Kreim, D.Lunney, V.Manea, M.Mougeot, D.Neidherr, F.Nowacki, A.Poves, M.Rosenbusch, L.Schweikhard, F.Wienholtz, R.N.Wolf, K.Zuber Binding Energy of 79Cu: Probing the Structure of the Doubly Magic 78Ni from Only One Proton Away ATOMIC MASSES 75,76,77,78,79Cu; measured TOF ion-cyclotron resonance; deduced mass excess. Comparison with AME2016 evaluation.
doi: 10.1103/PhysRevLett.119.192502
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
2017ZA06 Phys.Rev. A 96, 012502 (2017) J.Zatorski, B.Sikora, S.G.Karshenboim, S.Sturm, F.Kohler-Langes, K.Blaum, C.H.Keitel, Z.Harman Extraction of the electron mass from g-factor measurements on light hydrogenlike ions ATOMIC PHYSICS 4He, 12C, 28Si; analyzed available data on Penning-trap measurements of the Larmor and cyclotron frequency ratio; deduced electron mass using a hydrogenlike 12C and the corresponding theoretical value of the bound-electron g factor. Comparison with available data.
doi: 10.1103/PhysRevA.96.012502
2017ZE02 Phys.Rev. C 96, 031303 (2017) Q.Zeng, M.Wang, X.H.Zhou, Y.H.Zhang, X.L.Tu, X.C.Chen, X.Xu, Yu.A.Litvinov, H.S.Xu, K.Blaum, R.J.Chen, C.Y.Fu, Z.Ge, W.J.Huang, H.F.Li, J.H.Liu, B.Mei, P.Shuai, M.Si, B.H.Sun, M.Z.Sun, Q.Wang, G.Q.Xiao, Y.M.Xing, T.Yamaguchi, X.L.Yan, J.C.Yang, Y.J.Yuan, Y.D.Zang, P.Zhang, W.Zhang, X.Zhou Half-life measurement of short-lived 94m44Ru44+ using isochronous mass spectrometry RADIOACTIVITY 94mRu(IT)[from 9Be(112Sn, X), E=376.42 MeV/nucleon]; measured half-life of the fully-ionized (bare) ions of 8+ isomeric state at 2644 keV at the Experimental Cooler Storage Ring (CSRe) in Heavy Ion Research Facility (HIRFL), Lanzhou; deduced ICC. Comparison with calculations using BrIcc code, and with theoretical predictions. See also 2017Ch37 from the same laboratory for a detailed statistical analysis for extraction of half-life from experimental data. ATOMIC MASSES 94Ru, 94mRu; measured mass excesses of the isomer and the ground state of 94Ru using isochronous mass spectrometry (IMS) at Heavy Ion Research Facility (HIRFL), Lanzhou, and compared with AME-2016.
doi: 10.1103/PhysRevC.96.031303
2017ZH12 Phys.Lett. B 767, 20 (2017) P.Zhang, X.Xu, P.Shuai, R.J.Chen, X.L.Yan, Y.H.Zhang, M.Wang, Yu.A.Litvinov, K.Blaum, H.S.Xu, T.Bao, X.C.Chen, H.Chen, C.Y.Fu, J.J.He, S.Kubono, Y.H.Lam, D.W.Liu, R.S.Mao, X.W.Ma, M.Z.Sun, X.L.Tu, Y.M.Xing, J.C.Yang, Y.J.Yuan, Q.Zeng, X.Zhou, X.H.Zhou, W.L.Zhan, S.Litvinov, G.Audi, T.Uesaka, Y.Yamaguchi, T.Yamaguchi, A.Ozawa, B.H.Sun, Y.Sun, F.R.Xu High-precision QEC values of superallowed 0+ → 0+β-emitters 46Cr, 50Fe and 54Ni ATOMIC MASSES 42Ti, 46Cr, 48Mn, 50Fe, 54Ni; measured the revolution time spectrum; deduced precision mass excesses, corrected log ft values. Comparison with AME12 evaluated data.
doi: 10.1016/j.physletb.2017.01.039
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
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
2016FI07 Phys.Lett. B 758, 407 (2016) P.Filianin, S.Schmidt, K.Blaum, M.Block, S.Eliseev, F.Giacoppo, M.Goncharov, F.Lautenschlaeger, Yu.Novikov, K.Takahashi The decay energy of the pure s-process nuclide 123Te ATOMIC MASSES 123Te, 123Sb; measured cyclotron resonance frequencies; deduced Q-values, s-process decay rate. Comparison with available data.
doi: 10.1016/j.physletb.2016.04.059
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
2016KO45 Nat. Commun. 7, 10246 (2016) F.Kohler, K.Blaum, M.Block, S.Chenmarev, S.Eliseev, D.A.Glazov, M.Goncharov, J.Hou, A.Kracke, D.A.Nesterenko, Y.N.Novikov, W.Quint, E.Minaya Ramirez, V.M.Shabaev, S.Sturm, A.V.Volotka, G.Werth Isotope dependence of the Zeeman effect in lithium-like calcium ATOMIC MASSES 40,48Ca; measured cyclotron frequency ratio. 48Ca; deduced masses, g-factors. Comparison with theoretical calculations.
doi: 10.1038/ncomms10246
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