NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = T.E.Cocolios Found 103 matches. Showing 1 to 100. [Next]2024YU02 Phys.Lett. B 849, 138452 (2024) Z.Yue, A.N.Andreyev, A.E.Barzakh, I.N.Borzov, J.G.Cubiss, A.Algora, M.Au, M.Balogh, S.Bara, R.A.Bark, C.Bernerd, M.J.G.Borge, D.Brugnara, K.Chrysalidis, T.E.Cocolios, H.De Witte, Z.Favier, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, R.Grzywacz, R.Heinke, A.Illana, P.M.Jones, D.S.Judson, A.Korgul, U.Koster, M.Labiche, L.Le, R.Lica, M.Madurga, N.Marginean, B.Marsh, C.Mihai, E.Nacher, C.Neacsu, C.Nita, B.Olaizola, J.N.Orce, C.A.A.Page, R.D.Page, J.Pakarinen, P.Papadakis, G.Penyazkov, A.Perea, M.Piersa-Silkowska, Zs.Podolyak, S.D.Prosnyak, E.Reis, S.Rothe, M.Sedlak, L.V.Skripnikov, C.Sotty, S.Stegemann, O.Tengblad, S.V.Tolokonnikov, J.M.Udias, P.Van Duppen, N.Warr, W.Wojtaczka Magnetic moments of thallium isotopes in the vicinity of magic N=126 NUCLEAR MOMENTS 207,209Tl; measured frequencies; deduced magnetic dipole moments. Comparison with the self-consistent theory of finite Fermi systems based on the energy density functional. The in-source laser resonance-ionization spectroscopy technique with the Laser Ion Source and Trap (LIST) at ISOLDE (CERN).
doi: 10.1016/j.physletb.2024.138452
2023AD02 Eur.Phys.J. A 59, 15 (2023) A.Adamczak, A.Antognini, N.Berger, T.E.Cocolios, N.Deokar, Ch.E.Dullmann, A.Eggenberger, R.Eichler, M.Heines, H.Hess, P.Indelicato, K.Kirch, A.Knecht, J.J.Krauth, J.Nuber, A.Ouf, A.Papa, R.Pohl, E.Rapisarda, P.Reiter, N.Ritjoho, S.Roccia, M.Seidlitz, N.Severijns, K.von Schoeler, A.Skawran, S.M.Vogiatzi, N.Warr and F.Wauters Muonic atom spectroscopy with microgram target material
doi: 10.1140/epja/s10050-023-00930-y
2023CO11 Appl.Radiat.Isot. 202, 111044 (2023) S.M.Collins, U.Koster, A.P.Robinson, P.Ivanov, T.E.Cocolios, B.Russell, A.J.Fenwick, C.Bernerd, S.Stegemann, K.Johnston, A.M.Gerami, K.Chrysalidis, H.Mohamud, N.Ramirez, A.Bhaisare, J.Mewburn-Crook, D.M.Cullen, B.Pietras, S.Pells, K.Dockx, N.Stucki, P.H.Regan Determination of the Terbium-152 half-life from mass-separated samples from CERN-ISOLDE and assessment of the radionuclide purity RADIOACTIVITY 152Tb(EC), (β+); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced T1/2 by three independent techniques from mass-separated samples. Comparison with available data. Two mass-separated samples from the CERN-ISOLDE facility have been assayed at the National Physical Laboratory.
doi: 10.1016/j.apradiso.2023.111044
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
2023JO10 Sci. Rep. 13, 1347 (2023) J.D.Johnson, M.Heines, F.Bruchertseifer, E.Chevallay, T.E.Cocolios, K.Dockx, C.Duchemin, S.Heinitz, R.Heinke, S.Hurier, L.Lambert, B.Leenders, H.Skliarova, T.Stora, W.Wojtaczka Resonant laser ionization and mass separation of 225Ac ATOMIC MASSES 225Ac; measured frequencies using off-line resonant ionization mass spectrometry (RIMS); deduced activities, operational collection and ionization efficiencies, masses. The Joint Research Centre Karlsruhe (JRC) 229Th generator.
doi: 10.1038/s41598-023-28299-4
2023KR02 Nature(London) 617, 706 (2023) S.Kraemer, J.Moens, M.Athanasakis-Kaklamanakis, S.Bara, K.Beeks, P.Chhetri, K.Chrysalidis, A.Claessens, T.E.Cocolios, J.G.M.Correia, H.De Witte, R.Ferrer, S.Geldhof, R.Heinke, N.Hosseini, M.Huyse, U.Koster, Y.Kudryavtsev, M.Laatiaoui, R.Lica, G.Magchiels, V.Manea, C.Merckling, L.M.C.Pereira, S.Raeder, T.Schumm, S.Sels, P.G.Thirolf, S.M.Tunhuma, P.Van Den Bergh, P.Van Duppen, A.Vantomme, M.Verlinde, R.Villarreal, U.Wahl Observation of the radiative decay of the 229Th nuclear clock isomer RADIOACTIVITY 229Ac(β-), 229Th(IT) [from U(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced isomeric transition energies and T1/2. Comparison with available data. The ISOLDE facility at CERN.
doi: 10.1038/s41586-023-05894-z
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
2022CO10 Appl.Radiat.Isot. 190, 110480 (2022) S.M.Collins, A.P.Robinson, P.Ivanov, U.Koster, T.E.Cocolios, B.Russell, B.Webster, A.J.Fenwick, C.Duchemin, J.P.Ramos, E.Chevallay, U.Jakobsson, S.Stegemann, P.H.Regan, T.Stora Half-life determination of 155Tb from mass-separated samples produced at CERN-MEDICIS RADIOACTIVITY 155Tb(EC) [from Ta(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced T1/2. Comparison with available data. The Proton Synchrotron Booster accelerator at CERN, the target foil was delivered to NPL.
doi: 10.1016/j.apradiso.2022.110480
2022VE01 Phys.Rev. C 105, 034338 (2022) M.Venhart, A.N.Andreyev, J.G.Cubiss, J.L.Wood, A.E.Barzakh, C.Van Beveren, T.E.Cocolios, R.P.de Groote, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, P.Van Duppen, M.Veselsky Decay modes of the 9/2- isomeric state in 183Tl RADIOACTIVITY 183mTl(IT), (α)[from U(p, F), E=1.4 GeV]; measured Eg, Iγ, ce, Eα, Iα, γγ-coin, ceγ-coin, αγ-coin; deduced branching ratios, T1/2, reduced transition widths and hindrance factor for α-decay branch. 183Tl; deduced levels, J, π, δ, ICC, B(E3). Systematics of 9/2- isomers in neutron-deficient odd-mass Tl isotopes. Comparison to 182mHg decay and other experimental data. Selective laser resonance ionization and mass separation at ISOLDE (CERN).
doi: 10.1103/PhysRevC.105.034338
2021BA45 Phys.Rev.Lett. 127, 192501 (2021) A.Barzakh, A.N.Andreyev, C.Raison, J.G.Cubiss, P.Van Duppen, S.Peru, S.Hilaire, S.Goriely, B.Andel, S.Antalic, M.Al Monthery, J.C.Berengut, J.Bieron, M.L.Bissell, A.Borschevsky, K.Chrysalidis, T.E.Cocolios, T.Day Goodacre, J.-P.Dognon, M.Elantkowska, E.Eliav, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, L.P.Gaffney, R.F.Garcia Ruiz, M.Godefroid, C.Granados, R.D.Harding, R.Heinke, M.Huyse, J.Karls, P.Larmonier, J.G.Li, K.M.Lynch, D.E.Maison, B.A.Marsh, P.Molkanov, P.Mosat, A.V.Oleynichenko, V.Panteleev, P.Pyykko, M.L.Reitsma, K.Rezynkina, R.E.Rossel, S.Rothe, J.Ruczkowski, S.Schiffmann, C.Seiffert, M.D.Seliverstov, S.Sels, L.V.Skripnikov, M.Stryjczyk, D.Studer, M.Verlinde, S.Wilman, A.V.Zaitsevskii Large Shape Staggering in Neutron-Deficient Bi Isotopes NUCLEAR MOMENTS 187,188,189,191Bi; measured frequencies. 209Bi; deduced hfs, mean-square charge radii, magnetic dipole, and electric quadrupole moments. Comparison with HFB PES calculations, available data.
doi: 10.1103/PhysRevLett.127.192501
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
2021DU23 Appl.Radiat.Isot. 178, 109983 (2021) C.Duchemin, T.E.Cocolios, K.Dockx, G.J.Farooq-Smith, O.Felden, R.Formento-Cavaier, R.Gebel, U.Koster, B.Neumaier, B.Scholten, I.Spahn, S.Spellerberg, M.E.Stamati, S.Stegemann, H.Verhoeven Production cross-section measurements of proton-induced reactions on natural tantalum in the 0.3 GeV-1.7 GeV energy range NUCLEAR REACTIONS Ta(p, X)116Te/123I/153Dy/158Er, E=0.3-1.7 GeV; measured reaction products, Eγ, Iγ. 110,111In, 115,118Sb, 116,117,119Te, 123I, 123,127Xe, 127,129Cs, 126,128,131Ba, 132La, 132,133,135,139Ce, 138Pr, 136,139Nd, 145,147Eu, 146,147,149,153Gd, 147,148,149,151,153,155Tb, 152,153,155Dy, 156Ho, 157,158,159,161Er, 163,165,167Tm, 162,169Yb, 167,169Yb, 170,171,172,173Lu, 170,172,173,175,180Hf, 173,174,175,176,177,178,180Ta, 175,177W; deduced cumulative σ and uncertainties. Comparison with available data. COSY synchrotron at Julich.
doi: 10.1016/j.apradiso.2021.109983
2021HA32 Phys.Rev. C 104, 024326 (2021) R.D.Harding, A.N.Andreyev, A.E.Barzakh, J.G.Cubiss, P.Van Duppen, M.Al Monthery, N.A.Althubiti, B.Andel, S.Antalic, T.E.Cocolios, T.Day Goodacre, K.Dockx, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, D.A.Fink, L.P.Gaffney, L.Ghys, J.D.Johnson, D.T.Joss, M.Huyse, N.Imai, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, G.G.O'Neill, R.D.Page, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, C.Van Beveren, E.Verstraelen Laser-assisted nuclear decay spectroscopy of 176, 177, 179Au RADIOACTIVITY 179Au(α), (EC), (β+); 177,177m,176,176mAu, 176,177,179Pt, 173,173m,172,172mIr(α)[179,177,176Au laser ionized and mass-separated beams from U(p, X), E=1.4 GeV, followed by separation of products using Resonance Ionization Laser Ion Source (RILIS) and General Purpose Separator (GPS) at the Windmill decay station of ISOLDE-CERN facility]; measured Eα, Iα, K-x rays, Eγ, Iγ, αγ-coin. 179Pt, 175,173,172Ir, 175Os, 169,168Re; deduced levels, J, π, α-hindrance factors, reduced α-widths, conversion coefficients, multipolarities. 176,176mAu; deduced α-decay branching ratios for the low-spin and high-spin states. 179Au; measured half-life of the decay of the ground state. Systematics of α-reduced widths for 171,173,175,176,177,179Au α decays. NUCLEAR MOMENTS 176,176mAu; measured in-source laser spectroscopy of hyperfine structure; deduced nuclear magnetic moments, spins and configurations for the high- and low-spin states.
doi: 10.1103/PhysRevC.104.024326
2021KO08 Nat.Phys. 17, 439 (2021), Erratum Nat.Phys. 17, 539 (2021) A.Koszorus, X.F.Yang, W.G.Jiang, S.J.Novario, S.W.Bai, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, B.S.Cooper, R.P.de Groote, A.Ekstrom, K.T.Flanagan, C.Forssen, S.Franchoo, R.F.Garcia Ruiz, F.P.Gustafsson, G.Hagen, G.R.Jansen, A.Kanellakopoulos, M.Kortelainen, W.Nazarewicz, G.Neyens, T.Papenbrock, P.-G.Reinhard, C.M.Ricketts, B.K.Sahoo, A.R.Vernon, S.G.Wilkins Charge radii of exotic potassium isotopes challenge nuclear theory and the magic character of N = 32 NUCLEAR MOMENTS 36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52K; measured frequencies; deduced hyperfine structure spectra, charge radii, new magic numbers. Comparison with NNLO, HFB calculations.
doi: 10.1038/s41567-020-01136-5
2020AN04 Phys.Rev. C 101, 054313 (2020) A.Antognini, N.Berger, T.E.Cocolios, R.Dressler, R.Eichler, A.Eggenberger, P.Indelicato, K.Jungmann, C.H.Keitel, K.Kirch, A.Knecht, N.Michel, J.Nuber, N.S.Oreshkina, A.Ouf, A.Papa, R.Pohl, M.Pospelov, E.Rapisarda, N.Ritjoho, S.Roccia, N.Severijns, A.Skawran, S.M.Vogiatzi, F.Wauters, L.Willmann Measurement of the quadrupole moment of 185Re and 187Re from the hyperfine structure of muonic X rays ATOMIC PHYSICS 185,187Re, 208Pb(μ-, μ-'), E at 29 MeV/c, [negative muon beam from the decay of pions produced in C(p, π), E=590 MeV]; measured Eγ, Iγ, energy and intensities of muonic x-rays using two HPGe detectors at the HIPA facility of Paul Scherrer Institut; deduced hyperfine splitting of the 5g to 4f muonic atom transitions, and compared to state-of-the-art atomic theoretical predictions; extracted spectroscopic quadrupole moments for ground states of 185Re and 187Re. NUCLEAR MOMENTS 185,187Re; measured muonic atom hyperfine structure; deduced spectroscopic quadrupole moments of ground states. Comparison with previous experimental measurement using natural Re target, and with theoretical predictions.
doi: 10.1103/PhysRevC.101.054313
2020AN12 Phys.Rev. C 102, 014319 (2020) B.Andel, A.N.Andreyev, S.Antalic, M.Al Monthery, A.Barzakh, M.L.Bissell, K.Chrysalidis, T.E.Cocolios, J.G.Cubiss, T.Day Goodacre, N.Dubray, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, L.P.Gaffney, R.F.Garcia Ruiz, S.Goriely, C.Granados, R.D.Harding, R.Heinke, S.Hilaire, M.Huyse, J.-F.Lemaitre, K.M.Lynch, B.A.Marsh, P.Molkanov, P.Mosat, S.Peru, C.Raison, S.Rothe, C.Seiffert, M.D.Seliverstov, S.Sels, D.Studer, J.Sundberg, P.Van Duppen β-delayed fission of isomers in 188Bi RADIOACTIVITY 188,188m,190,190mBi(α), (β+F)[from U(p, X), E=1.4 GeV using RILIS and HRS separators at ISOLDE-CERN facility]; measured Eα, Iα, fission fragment energies, (fission fragment)(fission fragment)-coin; deduced partial T1/2 of β+-delayed fission (βDF) mode, βDF probabilities. 188Pb; deduced mean total kinetic energy and fission fragment mass distribution after 188Bi β-decay of high-spin isomer of 188Bi, limits of βDF partial half-lives of the two activities in 190Bi. Comparison of partial βDF partial half-lives with calculations based on HFB and QRPA, and those of fragment mass distribution with SPY and FRLDM-based calculations. Systematics of βDF partial T1/2 in neutron deficient nuclei in Tl, Bi, At, Fr, Np, Am, Bk, Es and Md isotopes. 182,184,186,188,190,192Pb; calculated theoretical pre-neutron-emission fission fragment mass distributions (FFMDs) with the SPY model using the D1M-Gogny interaction, and with the FRLDM model.
doi: 10.1103/PhysRevC.102.014319
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
2020CU02 Phys.Rev. C 101, 014314 (2020) J.G.Cubiss, R.D.Harding, A.N.Andreyev, N.Althubiti, B.Andel, S.Antalic, A.E.Barzakh, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, L.P.Gaffney, L.Ghys, M.Huyse, K.M.Lynch, B.A.Marsh, Y.Martinez Palenzuela, P.L.Molkanov, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Zadvornaya α-decay branching ratio of 180Pt RADIOACTIVITY 180Pt(α)[from 180Hg to 180Au to 180Pt EC decay chain, 180Hg from Pb(p, X), E=1.4 GeV at ISOLDE-CERN, followed by a three-step, resonance laser ionization]; measured Eα, Iα; deduced α branching ratio, reduced α width for g.s. to g.s. transition. Comparison with earlier experimental results. 180Hg, 180Au, 176Pt, 172Os(α); measured Eα in the decay chains starting from 180Hg. Systematics of reduced α-decay widths for g.s. to g.s. α transitions in N(even)=88-112 Pt, N(even)=90-108 Hg and N(even)=96-112 Pb isotopes.
doi: 10.1103/PhysRevC.101.014314
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
2020DE21 Nat.Phys. 16, 620 (2020) R.P.de Groote, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, J.D.Holt, A.Koszorus, K.M.Lynch, T.Miyagi, W.Nazarewicz, G.Neyens, P.-G.Reinhard, S.Rothe, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins, Z.Y.Xu, X.F.Yang Measurement and microscopic description of odd-even staggering of charge radii of exotic copper isotopes NUCLEAR MOMENTS 63,64,65,68,69,70,71,72,73,74,75,76,77,78Cu; measured laser frequencies; deduced isotope shifts, charge radii. Isotope Mass Separator On-Line Device facility (ISOLDE) at CERN.
doi: 10.1038/s41567-020-0868-y
2020GU24 Phys.Rev. A 102, 052812 (2020) F.P.Gustafsson, C.M.Ricketts, M.L.Reitsma, R.F.Garcia Ruiz, S.W.Bai, J.C.Berengut, J.Billowes, C.L.Binnersley, A.Borschevsky, T.E.Cocolios, B.S.Cooper, R.P.de Groote, K.T.Flanagan, A.Koszorus, G.Neyens, H.A.Perrett, A.R.Vernon, Q.Wang, S.G.Wilkins, X.F.Yang Tin resonance-ionization schemes for atomic- and nuclear-structure studies NUCLEAR MOMENTS 116,117,118,119,120,122,124Sn; measured frequencies; deduced isotope shifts, magnetic dipole hyperfine constants, hyperfine structures. Comparison with state-of-the-art atomic calculations using a relativistic Fock-space coupled-cluster method and the configuration interaction approach combined with many-body perturbation theory.
doi: 10.1103/PhysRevA.102.052812
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
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
2020SA10 New Journal of Physics 22, 012001 (2020) B K.Sahoo, A.R.Vernon, R.F.Garcia Ruiz, C.L.Binnersley, J.Billowes, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, K.T.Flanagan, W.Gins, R.P.de Groote, A.Koszorus, G.Neyens, K.M.Lynch, F.Parnefjord-Gustafsson, C.M.Ricketts, K.D.A.Wendt, S.G.Wilkins, X.F.Yang Analytic response relativistic coupled-cluster theory: the first application to indium isotope shifts NUCLEAR STRUCTURE 103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127In; calculated charge rms radii, isomer shift values using the relativistic coupled-cluster (CC) theory framework to determine the atomic field shift and mass shift (MS) factors.
doi: 10.1088/1367-2630/ab66dd
2020SE13 Eur.Phys.J. A 56, 161 (2020) M.Sedlak, M.Venhart, J.L.Wood, V.Matousek, M.Balogh, A.J.Boston, T.E.Cocolios, L.J.Harkness-Brennan, R.-D.Herzberg, D.T.Joss, D.S.Judson, J.Kliman, R.D.Page, A.Patel, K.Petrik, M.Veselsky Nuclear structure of 181Au studied via β+/EC decay of 181Hg at ISOLDE RADIOACTIVITY 181Hg(EC), (β+) [from Pb(p, X)181Hg, E=1.4 GeV];measured decay products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and relative intensities, decay scheme, negative parity states. Comparison with systematics. The TATRA spectrometer at the ISOLDE facility at CERN.
doi: 10.1140/epja/s10050-020-00174-0
2020VE01 Nucl.Instrum.Methods Phys.Res. B463, 327 (2020) H.Verhoeven, T.E.Cocolios, K.Dockx, G.J.Farooq-Smith, O.Felden, R.Formento-Cavaier, R.Gebel, U.Koster, B.Neumaier, B.Scholten, I.Spahn, S.Spellerberg, M.E.Stamati, S.Stegemann Measurement of spallation cross sections for the production of terbium radioisotopes for medical applications from tantalum targets NUCLEAR REACTIONS Ta(p, X)149Tb, E=0.3-1.7 GeV; measured reaction products, Eβ, Iβ; deduced cumulative σ. Comparison with available data.
doi: 10.1016/j.nimb.2019.04.071
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
2019CU02 Phys.Rev. C 99, 064317 (2019) J.G.Cubiss, A.N.Andreyev, A.E.Barzakh, B.Andel, S.Antalic, T.E.Cocolios, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.P.Gaffney, L.Ghys, M.Huyse, Z.Kalaninova, U.Koster, B.A.Marsh, P.L.Molkanov, R.E.Rossel, S.Rothe, M.D.Seliverstov, S.Sels, A.M.Sjodin, M.Stryjczyk, V.L.Truesdale, C.Van Beveren, P.Van Duppen, G.L.Wilson Fine structure in the α decay of 218At RADIOACTIVITY 218At(α)[from U(p, F), E=1.4 GeV, followed by selective ionization of 218At using RILIS at CERN-ISOLDE facility]; measured Eα, Iα, Eγ, Iγ, αγ-coin, half-life of 218At decay using silicon detectors for α detection and low-energy Ge detector for γ detection. 214Bi; deduced levels, J, π, α feedings, α hindrance factors. 218At; deduced J, π. Systematics of low-lying level energies in 210,212,214Bi, 212,214,216At, and α hindrance factors in the decays of 214,216,218At, 216Fr. Comparison with theoretical predictions, and with previous experimental results.
doi: 10.1103/PhysRevC.99.064317
2019GH11 Phys.Rev. C 100, 054310 (2019) L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, J.Cubiss, X.Derkx, H.De Witte, J.Elseviers, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, E.Rapisarda, K.Sandhu, V.L.Truesdale, P.Van den Bergh, Y.Wakabayashi α-decay properties of 200, 202Fr RADIOACTIVITY 200,202,202mFr, 196,198,198mAt, 194,192Bi(α)[from 238U(p, F), E=1.4 GeV]; measured Eα, Iα, Eγ, Iγ, αγ- and αγγ-coin, half-lives of 200Fr g.s., 198At g.s. and 198At isomer using the windmill detection setup at ISOLDE-CERN; 196,198At, 192,194Bi; deduced levels, J, π, total conversion coefficients, multipolarities, α-reduced widths. 190Tl, 194Bi, 198At, 202Fr, 206Ac; deduced energies of the isomeric states and compared to previous experimental values. 198,202Po, 200,202At, 202Rn(α); measured Eα. Systematics of 206Ac to 190Tl and 200Fr to 188Tl decay chains. Systematics of α-reduced widths for odd-odd A=184-201 Fr, At and Bi α-emitters.
doi: 10.1103/PhysRevC.100.054310
2019KO19 Phys.Rev. C 100, 034304 (2019) A.Koszorus, X.F.Yang, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, R.P.de Groote, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, S.Geldhof, W.Gins, A.Kanellakopoulos, K.M.Lynch, G.Neyens, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins Precision measurements of the charge radii of potassium isotopes NUCLEAR MOMENTS 38,39,42,44,46,47K; measured hyperfine structures (hfs) for 4s2S1/2 to 4p2P1/2 atomic transition using Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE-CERN; deduced isotope shifts, mean-square charge radii, and changes in the mean-square charge radii with reference to 47K. The potassium isotopes were produced at the CERN-ISOLDE facility in U(p, X), E=1.4 GeV reaction using UCx target, high-resolution mass separator (HRS), and gas-filled linear Paul trap (ISCOOL).
doi: 10.1103/PhysRevC.100.034304
2019SE04 Phys.Rev. C 99, 044306 (2019) S.Sels, T.Day Goodacre, B.A.Marsh, A.Pastore, W.Ryssens, Y.Tsunoda, N.Althubiti, B.Andel, A.N.Andreyev, D.Atanasov, A.E.Barzakh, M.Bender, J.Billowes, K.Blaum, T.E.Cocolios, J.G.Cubiss, J.Dobaczewski, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.P.Gaffney, L.Ghys, P.-H.Heenen, M.Huyse, S.Kreim, D.Lunney, K.M.Lynch, V.Manea, Y.Martinez Palenzuela, T.M.Medonca, P.L.Molkanov, T.Otsuka, J.P.Ramos, R.E.Rossel, S.Rothe, L.Schweikhard, M.D.Seliverstov, P.Spagnoletti, C.Van Beveren, P.Van Duppen, M.Veinhard, E.Verstraelen, A.Welker, K.Wendt, F.Wienholtz, R.N.Wolf, A.Zadvornaya Shape staggering of midshell mercury isotopes from in-source laser spectroscopy compared with density-functional-theory and Monte Carlo shell-model calculations NUCLEAR MOMENTS 177,178,179,180,181,182,183,184,185,185mHg; measured hyperfine structure (hfs) spectra, hyperfine coupling constants, isotope shifts, and rms charge radii using the in-source resonance-ionization spectroscopy method combined with decay spectroscopy, and Multi-Reflection Time-of-Flight Mass Spectrometer (MR-TOF MS) at CERN-ISOLDE facility; deduced magnetic dipole moments, and spectroscopic quadrupole moments, configurations. Comparison with theoretical calculations using density functional theory (DFT) with Skyrme parametrizations, and Monte Carlo shell model (MCSM). Ions of Hg activities produced in Pb(p, X), E=1.4 GeV, using molten lead target. NUCLEAR REACTIONS Pb, U(p, X)177Hg/178Hg/179Hg/180Hg/181Hg/182Hg/183Hg/184Hg/185Hg/185mHg, E=1.4 GeV from PS-Booster synchrotron; measured production yields for different target-ion source configurations: VADLIS or RILIS at CERN-ISOLDE facility.
doi: 10.1103/PhysRevC.99.044306
2019WR01 Eur.Phys.J. A 55, 130 (2019) K.Wrzosek-Lipska, K.Rezynkina, N.Bree, M.Zielinska, L.P.Gaffney, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.N.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, A.Wiens, J.L.Wood Electromagnetic properties of low-lying states in neutron-deficient Hg isotopes: Coulomb excitation of 182Hg, 184Hg, 186Hg and 188Hg NUCLEAR REACTIONS 112Cd(182Hg, 182Hg'), E=519 MeV; 120Sn, 107Ag, 112Cd(184Hg, 184Hg'), E=524 MeV; 120Sn, 107Ag, 114Cd(186Hg, 186Hg'), E=530 MeV; 120Sn, 107Ag, 114Cd(188Hg, 188Hg'), E=536 MeV; measured reaction products, Eγ, Iγ, X-rays. 182,184,186,188Hg; deduced γ-ray energies, J, π, transition E2 and M1 reduced matrix elements, branching ratios, B(E2). Comparison with theoretical calculations, GOSIA analysis. The Miniball set-up, REX postaccelerator.
doi: 10.1140/epja/i2019-12815-2
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
2018GA36 Phys.Rev.X 8, 041005 (2018) R.F.Garcia Ruiz, A.R.Vernon, C.L.Binnersley, B.K.Sahoo, M.Bissell, J.Billowes, T.E.Cocolios, W.Gins, R.P.de Groote, K.T.Flanagan, A.Koszorus, K.M.Lynch, G.Neyens, C.M.Ricketts, K.D.A.Wendt, S.G.Wilkins, X.F.Yang High-Precision Multiphoton Ionization of Accelerated Laser-Ablated Species NUCLEAR MOMENTS 113,115In; measured frequencies; deduced hyperfine structure values, isotope shifts, nuclear magnetic dipole and electric quadrupole moments. Comparison with available data.
doi: 10.1103/PhysRevX.8.041005
2018LY01 Phys.Rev. C 97, 024309 (2018) K.M.Lynch, S.G.Wilkins, J.Billowes, C.L.Binnersley, M.L.Bissell, K.Chrysalidis, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, R.Heinke, A.Koszorus, B.A.Marsh, P.L.Molkanov, P.Naubereit, G.Neyens, C.M.Ricketts, S.Rothe, C.Seiffert, M.D.Seliverstov, H.H.Stroke, D.Studer, A.R.Vernon, K.D.A.Wendt, X.F.Yang Laser-spectroscopy studies of the nuclear structure of neutron-rich radium NUCLEAR MOMENTS 222,223,224,225,226,227,228,229,230,231,232,233Ra; measured high-resolution hyperfine-structure spectra, isotope shifts, changes in mean-square charge; deduced King-plot for the extraction of the F and M atomic factors, odd-even staggering. 223,225,227,229,231Ra; deduced hyperfine factors A and B, static magnetic dipole and electric quadrupole moments. Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE, CERN facility. Radium isotopes produced by impinging 1.4-GeV protons on a thick uranium-carbide target followed by surface and multistep laser resonance ionization using RILIS ion source, and mass separation with the high resolution separator, then cooled and bunched using the ISOLDE linear Paul trap, ISCOOL. Comparison with previous experimental values. Systematics of intrinsic quadrupole moments for N=130-146 U, Th, Ra and Rn isotopes, and those of odd-even staggering for N=132-144 Fr and Ra isotopes.
doi: 10.1103/PhysRevC.97.024309
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
2017AN16 Phys.Rev. C 96, 054327 (2017) B.Andel, A.N.Andreyev, S.Antalic, A.Barzakh, N.Bree, T.E.Cocolios, V.F.Comas, J.Diriken, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, S.Franchoo, L.Ghys, J.A.Heredia, M.Huyse, O.Ivanov, U.Koster, V.Liberati, B.A.Marsh, K.Nishio, R.D.Page, N.Patronis, M.D.Seliverstov, I.Tsekhanovich, P.Van den Bergh, J.Van De Walle, P.Van Duppen, M.Venhart, S.Vermote, M.Veselsky, C.Wagemans Detailed α-decay study of 180Tl RADIOACTIVITY 180Tl(α)[from U(p, X), E=1.4 GeV using Resonance Ionization Laser Ion Source (RILIS) and HRS separator at ISOLDE-CERN facility]; measured Eα, Iα, Eγ, Iγ, E(x ray), I(x ray), αγ- and αγγ-coin. 176Au; deduced levels, α-decay branching ratios, reduced α-widths, total and K-conversion coefficients, multipolarities, configurations, population of only the low-spin activity in 176Au from 180Tl α decay. Comparison with previous experimental data. Systematics of α-reduced widths in α-decays of 178,180,182,184Tl. 180Hg(α)[from 180Tl ϵ decay]; 176Au(α)[from 180Tl α decay]; 176Pt(α)[from 180Hg α decay]; measured Eα, Eγ, αγ-coin. 172Ir; deduced level, low-spin activity in 172Ir populated by 176Au α decay.
doi: 10.1103/PhysRevC.96.054327
2017BA04 Phys.Rev. C 95, 014324 (2017) A.E.Barzakh, A.N.Andreyev, T.E.Cocolios, R.P.de Groote, D.V.Fedorov, V.N.Fedosseev, R.Ferrer, D.A.Fink, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, M.Venhart, M.Veselsky Changes in mean-squared charge radii and magnetic moments of 179-184Tl measured by in-source laser spectroscopy NUCLEAR MOMENTS 179,180,181,182m,183,183m,184mTl; measured hyperfine splittings, spins for 179,181,183Tl, magnetic moments, isotope shifts, and changes in mean square charge radii. 182mTl and 184mTl include two, and three isomers, respectively. In-source resonance ionization laser spectroscopy at CERN-ISOLDE facility; discussed configurations. Radioactive Tl isotopes from U(p, X), E=1.4 GeV reaction using UCx target, and General Purpose Separator of ISOLDE.
doi: 10.1103/PhysRevC.95.014324
2017CO02 Hyperfine Interactions 238, 16 (2017) A new perspective on charge radii around Z=82 NUCLEAR STRUCTURE Z=78-88; analyzed available data; deduced charge radii.
doi: 10.1007/s10751-016-1391-5
2017DE30 Phys.Rev. C 96, 041302 (2017) R.P.de Groote, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, G.J.Farooq-Smith, D.V.Fedorov, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, A.Koszorus, K.M.Lynch, G.Neyens, F.Nowacki, T.Otsuka, S.Rothe, H.H.Stroke, Y.Tsunoda, A.R.Vernon, K.D.A.Wendt, S.G.Wilkins, Z.Y.Xu, X.F.Yang Dipole and quadrupole moments of 73-78Cu as a test of the robustness of the Z = 28 shell closure near 78Ni NUCLEAR MOMENTS 73,74,75,76,77,78Cu; measured hyperfine spectra using Collinear Resonance Ionization Spectroscopy (CRIS) at CERN-ISOLDE facility; deduced hyperfine A and B parameters, magnetic dipole moments, electric quadrupole moments for the ground states, spins of 76,77Cu ground states. Comparison with large-scale shell-model calculations using A3DA-m and PFSDG-U interactions. The Cu isotopes produced in U(p, F), E=1.4 GeV reaction followed by laser ionization using the resonant ionization laser ion source (RILIS), and mass separation using the high-resolution separator.
doi: 10.1103/PhysRevC.96.041302
2017FA09 Phys.Rev. C 96, 044324 (2017) G.J.Farooq-Smith, A.R.Vernon, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, K.M.Lynch, B.A.Marsh, G.Neyens, S.Rothe, H.H.Stroke, S.G.Wilkins, X.F.Yang Probing the 31Ga ground-state properties in the region near Z=28 with high-resolution laser spectroscopy NUCLEAR MOMENTS 65,67,69,75,79,80,80m,81,82Ga; measured hyperfine spectra using Collinear Resonance Ionization Spectroscopy (CRIS) technique at ISOLDE-CERN facility; deduced hyperfine structure constants, magnetic-dipole moments, electric-quadrupole moments, isotope-shifts, changes in rms charge radii, proton and neutron orbital occupations. Comparison with shell-model calculations using the GXPF1 and JUN45 interactions, and with previous experimental measurements. Systematics of g factors and quadrupole moments in N=28-40 Ga and Cu nuclei. Beams of Ga isotopes produced in U(n, F), with neutrons from W(p, X), E=1.4 GeV at ISOLDE-CERN, followed by laser ionization using the Resonance Ionization Laser Ion Source (RILIS), and mass separation by using the high-resolution mass separator and subsequent cooling and bunching using the ISOLDE cooler buncher (ISCOOL).
doi: 10.1103/PhysRevC.96.044324
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
2017PA12 J.Phys.(London) G44, 064009 (2017) J.Pakarinen, T.Grahn, L.P.Gaffney, A.Algora, C.Bauer, A.Blazhev, N.Bree, T.E.Cocolios, H.De Witte, J.Diriken, P.Fernier, K.Hadynska-Klek, A.Herzan, M.Huyse, J.Iwanicki, U.Jakobsson, D.Jenkins, N.Kesteloot, J.Konki, B.Lannoo, P.Papadakis, P.Peura, P.Rahkila, G.Rainovski, E.Rapisarda, P.Reiter, S.Sambi, M.Scheck, B.Seibeck, M.Seidlitz, T.Stora, P.Van Duppen, N.Warr, F.Wenander, M.J.Vermeulen, D.Voulot, K.Wrzosek-Lipska, M.Zielinska Collectivity in 196, 198Pb isotopes probed in Coulomb-excitation experiments at REX-ISOLDE NUCLEAR REACTIONS 112Cd(196Pb, 196Pb'), (198Pb, 198Pb'), E=2.82 MeV/nucleon; measured reaction products, Eγ, Iγ. 196,198Pb; deduced γ-ray energies, J, π, quadrupole moments, B(E2). GOSIA2 code simultaneous treatment both target and beam excitations, comparison with available data.
doi: 10.1088/1361-6471/aa6753
2017RA11 J.Phys.(London) G44, 074001 (2017) E.Rapisarda, A.N.Andreyev, S.Antalic, A.Barzakh, T.E.Cocolios, I.G.Darby, R.De Groote, H.De Witte, J.Diriken, J.Elseviers, D.Fedorov, V.N.Fedosseev, R.Ferrer, M.Huyse, Z.Kalaninova, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, D.Pauwels, T.J.Procter, D.Radulov, K.Sandhu, M.D.Seliverstov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, M.Venhart, M.Veselsky, K.Wrzosek-Lipska Shape coexistence studied in 182, 184Hg via the β decay of 182, 184Tl RADIOACTIVITY 182,184Tl(β+), (EC) [from U(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, intensities, J, π, conversion coefficients. Comparison with systematics.
doi: 10.1088/1361-6471/aa6bb6
2017VE02 J.Phys.(London) G44, 074003 (2017) M.Venhart, J.L.Wood, M.Sedlak, M.Balogh, M.Birova, A.J.Boston, T.E.Cocolios, L.J.Harkness-Brennan, R.-D.Herzberg, L.Holub, D.T.Joss, D.S.Judson, J.Kliman, J.Klimo, L.Krupa, J.Lusnak, L.Makhathini, V.Matousek, S.Motycak, R.D.Page, A.Patel, K.Petrik, A.V.Podshibyakin, P.M.Prajapati, A.M.Rodin, A.Spacek, R.Urban, C.Unsworth, M.Veselsky New systematic features in the neutron-deficient Au isotopes RADIOACTIVITY 183Hg(EC), (β+) [Pb(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ, γ-γ-coin; deduced γ-ray energies, J, π, conversion electrons, transition multipolarities. Comparison with available data.
doi: 10.1088/1361-6471/aa7297
2017VE04 Nucl.Instrum.Methods Phys.Res. A849, 112 (2017) M.Venhart, J.L.Wood, A.J.Boston, T.E.Cocolios, L.J.Harkness-Brennan, R.-D.Herzberg, D.T.Joss, D.S.Judson, J.Kliman, V.Matousek, S.Motycak, R.D.Page, A.Patel, K.Petrik, M.Sedak, M.Veselsky Application of the Broad Energy Germanium detector: A technique for elucidating β-decay schemes which involve daughter nuclei with very low energy excited states RADIOACTIVITY 183Hg(EC), (α), (ECp); measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies, energy levels. Rydberg-Ritz combinations, comparison with available data.
doi: 10.1016/j.nima.2016.12.048
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
2017WI11 Phys.Rev. C 96, 034317 (2017) S.G.Wilkins, K.M.Lynch, J.Billowes, C.L.Binnersley, M.L.Bissell, T.E.Cocolios, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, W.Gins, H.Heylen, A.Koszorus, G.Neyens, H.H.Stroke, A.R.Vernon, K.D.A.Wendt, X.F.Yang Quadrupole moment of 203Fr NUCLEAR MOMENTS 203,207Fr; measured hyperfine spectra, ground-state spins, isotope shifts, magnetic dipole moments, spectroscopic quadrupole, and mean-square charge radii using high-resolution collinear resonance ionization spectroscopy (CRIS) at ISOLDE-CERN facility. 203,207Fr produced in U(p, X), E=1.4 GeV, using uranium carbide target, followed by mass separation using high-resolution separator (HRS) at ISOLDE. Comparison with literature values. 203Fr; deduced intrinsic quadrupole moment and calculated static and total deformation parameters β2. Systematics of quadrupole moments for N=110-126 Bi, Po and Fr isotopes.
doi: 10.1103/PhysRevC.96.034317
2016FA11 Phys.Rev. C 94, 054305 (2016); Pub.Note Phys. Rev. C 94, 059903 (2016) G.J.Farooq-Smith, T.E.Cocolios, J.Billowes, M.L.Bissell, I.Budincevic, T.Day Goodacre, R.P.de Groote, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, K.M.Lynch, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.F.Yang Laser and decay spectroscopy of the short-lived isotope 214Fr in the vicinity of the N=126 shell closure NUCLEAR MOMENTS 214Fr; measured hyperfine structure, isotope shifts, g factors, and change in mean-square charge-radii using collinear resonance ionization spectroscopy (CRIS) technique at ISOLDE-CERN facility. Comparison with mean square charge-radii values just before and after N=126 shell closure for Hg to Ra nuclei. RADIOACTIVITY 214Fr, 214Ra, 210Rn(α)[214Fr from U(p, X), E=1.4 GeV at ISOLDE-CERN, using high resolution mass separator and ISCOOL radio-frequency gas-filled linear Paul trap]; measured α-spectra.
doi: 10.1103/PhysRevC.94.054305
2016LY01 Phys.Rev. C 93, 014319 (2016) K.M.Lynch, T.E.Cocolios, J.Billowes, M.L.Bissell, I.Budincevic, T.Day Goodacre, R.P.de Groote, G.J.Farooq-Smith, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.Yang Combined high-resolution laser spectroscopy and nuclear decay spectroscopy for the study of the low-lying states in 206Fr, 202At, and 198Bi NUCLEAR REACTIONS U(p, F)206Fr/206mFr, E=1.4 GeV; measured collinear resonance ionization spectrum of 3(+) g.s., 7(+) and 10(-) isomers relative to that for 221Fr using ISCOOL setup at ISOLDE-CERN. ATOMIC PHYSICS 206,206mFr; measured hyperfine structure, collinear resonance ionization spectrum for 206Fr, 206m1Fr and 206m2Fr; deduced nuclear spin, hyperfine structure parameters of atomic levels, isotope shifts, isomer shifts for ground state and isomers of 206Fr. NUCLEAR MOMENTS 206,206mFr; measured hyperfine structure with collinear resonance ionization spectroscopy of 206Fr, 206m1Fr and 206m2Fr using CRIS at CERN-ISOLDE; deduced levels, J, magnetic dipole and electric quadrupole moments, isotope and isomer shifts, rms charge radii. Comparison with previous experimental values. RADIOACTIVITY 206,206mFr, 202,202mAt(α)[206Fr from U(p, F), E=1.4 GeV; 202At from 206Fr α decay]; measured Eα, Iα, α-decay branching ratios for decays of 206Fr, 206m1Fr, 206m2Fr, 202At, 202m1At and 202m2At using laser-assisted nuclear decay spectroscopy at ISOLDE-CERN. 198Bi, 202At; deduced levels, isomers, J, π, α-hindrance factors, configurations. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.93.014319
2016SZ03 Phys.Rev. C 94, 054314 (2016) S.V.Szwec, B.P.Kay, T.E.Cocolios, J.P.Entwisle, S.J.Freeman, L.P.Gaffney, V.Guimaraes, F.Hammache, P.P.McKee, E.Parr, C.Portail, J.P.Schiffer, N.de Sereville, D.K.Sharp, J.F.Smith, I.Stefan Rearrangement of valence neutrons in the neutrinoless double-β decay of 136Xe NUCLEAR REACTIONS 134Ba(d, p), E=15 MeV; 134Ba(α, 3He), E=40.1 MeV; 136Ba(p, d), E=23 MeV; 134Ba(3He, α), E=32.0 MeV; measured outgoing proton, deuteron, 3He and α spectra, σ(θ) using an Enge split-pole spectrometer at the ALTO Tandem accelerator at IPN-Orsay. DWBA analysis using PTOLEMY code. 135Ba; deduced levels, J, π. 136Xe, 134,136Ba; deduced ground-state neutron occupancies. Comparisons with theoretical calculations using various nuclear-structure models. Relevance to initial and final state in the 0νββ decay mode of 136Xe.
doi: 10.1103/PhysRevC.94.054314
2016TR07 Phys.Rev. C 94, 034308 (2016) V.L.Truesdale, A.N.Andreyev, L.Ghys, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, L.Popescu, D.Radulov, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi β-delayed fission and α decay of 196At RADIOACTIVITY 196At, 196Po(α); 196At(EC), (β+), (β+F), [high purity 196At beam from U(p, X), E=1.4 GeV using HRS and GPS separators with RILIS at ISOLDE-CERN facility]; measured Eα, Iα, Eγ, Iγ, αγ-coin, fission-fragment energies, (fission fragment)(fission fragment)-coin, half-lives of decays of 196At and 196Po; deduced α- and β-decay and β-delayed fission branching ratios of 196At, reduced α-decay widths, symmetric and asymmetric fission-fragment mass distributions of the daughter isotope 196Po. 192Bi; deduced levels, J, π, conversion coefficients, multipolarities, mixing ratio, configurations. Comparison with previous experimental values. 192Bi, 199,200,201At, 202Rn; observed α from daughter activity 192Bi and other contaminants.
doi: 10.1103/PhysRevC.94.034308
2016VA01 J.Phys.(London) G43, 025102 (2016) C.Van Beveren, A.N.Andreyev, A.E.Barzakh, T.E.Cocolios, R.P.de Groote, D.Fedorov, V.N.Fedosseev, R.Ferrer, L.Ghys, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, P.L.Molkanov, T.J.Procter, E.Rapisarda, K.Sandhu, M.D.Seliverstov, P.Van Duppen, M.Venhart, M.Veselsky α-decay study of 182, 184Tl RADIOACTIVITY 182,184Tl(α); measured decay products, Eγ, Iγ, Eα, Iα, α-γ-coin.; deduced energy levels, J, π, branching ratios, isomeric state T1/2, α-decay scheme. Comparison with available data.
doi: 10.1088/0954-3899/43/2/025102
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
2015DE28 Phys.Rev.Lett. 115, 132501 (2015) R.P.de Groote, I.Budincevic, J.Billowes, M.L.Bissell, T.E.Cocolios, G.J.Farooq-Smith, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, R.Li, K.M.Lynch, B.A.Marsh, G.Neyens, R.E.Rossel, S.Rothe, H.H.Stroke, K.D.A.Wendt, S.G.Wilkins, X.Yang Use of a Continuous Wave Laser and Pockels Cell for Sensitive High-Resolution Collinear Resonance Ionization Spectroscopy NUCLEAR MOMENTS 219,221Fr; measured resonance ionization and hyperfine spectra; deduced spectroscopic quadrupole moment values. Comparison with available data.
doi: 10.1103/PhysRevLett.115.132501
2015FI07 Phys.Rev.X 5, 011018 (2015) D.A.Fink, T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, L.Ghys, A.Gottberg, M.Huyse, N.Imai, T.Kron, N.Lecesne, K.M.Lynch, B.A.Marsh, D.Pauwels, E.Rapisarda, S.D.Richter, R.E.Rossel, S.Rothe, M.D.Seliverstov, A.M.Sjodin, C.Van Beveren, P.Van Duppen, K.D.A.Wendt In-Source Laser Spectroscopy with the Laser Ion Source and Trap: First Direct Study of the Ground-State Properties of 217, 219Po NUCLEAR MOMENTS 216,217,218Po [from 238U(p, X), E=1.4 GeV]; measured resonance spectra, Eα, Iα; deduced g-factors, mean-square charge radii, electromagnetic nuclear moments. In-source laser spectroscopy. RADIOACTIVITY 219Po(α) [from 238U(p, X), E=1.4 GeV]; measured decay spectra, Eα, Iα; deduced α-decay spectra, branching ratios, T1/2, hindrance factors. Comparison with available data.
doi: 10.1103/PhysRevX.5.011018
2015GA19 Phys.Rev. C 91, 064313 (2015) L.P.Gaffney, A.P.Robinson, D.G.Jenkins, A.N.Andreyev, M.Bender, A.Blazhev, N.Bree, B.Bruyneel, P.A.Butler, T.E.Cocolios, T.Davinson, A.N.Deacon, H.De Witte, D.DiJulio, J.Diriken, A.Ekstrom, Ch.Fransen, S.J.Freeman, K.Geibel, T.Grahn, B.Hadinia, M.Hass, P.-H.Heenen, H.Hess, M.Huyse, U.Jakobsson, N.Kesteloot, J.Konki, Th.Kroll, V.Kumar, O.Ivanov, S.Martin-Haugh, D.Mucher, R.Orlandi, J.Pakarinen, A.Petts, P.Peura, P.Rahkila, P.Reiter, M.Scheck, M.Seidlitz, K.Singh, J.F.Smith, J.Van de Walle, P.Van Duppen, D.Voulot, R.Wadsworth, N.Warr, F.Wenander, K.Wimmer, K.Wrzosek-Lipska, M.Zielinska Collectivity in the light radon nuclei measured directly via Coulomb excitation NUCLEAR REACTIONS 109Ag, 120Sn(202Rn, 202Rn'), (204Rn, 204Rn'), E=2.845, 2.90, 2.28 MeV, [secondary 202,204Rn beams from U(p, X), E=1.4 GeV from Proton Synchrotron Booster, REX-TRAP, REX-EBIS and REX-LINAC at ISOLDE-CERN facility]; measured scattered heavy ion spectra, Eγ, Iγ, (particle)γ-coin using Miniball array. Coulomb excitation. 202,204Rn; deduced levels, E2 matrix elements, spectroscopic quadrupole moment, B(E2). GOSIA analysis of experimental data for 202,204Rn and 109Ag, 120Sn from Coulomb excitation. Comparison with state-of-the-art beyond-mean-field model calculations. Systematics of energies and transition quadrupole moments of yrast states, B(E2) and quadrupole deformation for first 2+ states in 198,200,202,204,206,208,210,212Rn.
doi: 10.1103/PhysRevC.91.064313
2015KE06 Phys.Rev. C 92, 054301 (2015) N.Kesteloot, B.Bastin, L.P.Gaffney, K.Wrzosek-Lipska, K.Auranen, C.Bauer, M.Bender, V.Bildstein, A.Blazhev, S.Bonig, N.Bree, E.Clement, T.E.Cocolios, A.Damyanova, I.Darby, H.De Witte, D.DiJulio, J.Diriken, C.Fransen, J.E.Garcia-Ramos, R.Gernhauser, T.Grahn, P.-H.Heenen, H.Hess, K.Heyde, M.Huyse, J.Iwanicki, U.Jakobsson, J.Konki, T.Kroll, B.Laurent, N.Lecesne, R.Lutter, J.Pakarinen, P.Peura, E.Piselli, L.Prochniak, P.Rahkila, E.Rapisarda, P.Reiter, M.Scheck, M.Seidlitz, M.Sferrazza, B.Siebeck, M.Sjodin, H.Tornqvist, E.Traykov, J.Van De Walle, P.Van Duppen, M.Vermeulen, D.Voulot, N.Warr, F.Wenander, K.Wimmer, M.Zielinska Deformation and mixing of coexisting shapes in neutron-deficient polonium isotopes NUCLEAR REACTIONS 104Pd(196Po, 196Po'), (200Po, 200Po'), (202Po, 202Po'), 94Mo(198Po, 198Po'), (202Po, 202Po'), E=2.85 MeV/nucleon, [secondary Po beams from U(p, X), E=1.4 GeV at REX-ISOLDE-CERN facility]; measured Eγ, Iγ, γγ-coin, (Po x ray)γ-coin, (scattered particle)γ-coin, (particle)γ(t), angular distribution of scattered particles, Coulomb excitation yields for excited states in beams and targets during laser-on and laser-off using double-sided silicon-strip detectors (DSSSDs) for particles and Miniball array for γ rays. 196,198,200,202Po; deduced levels, J, π, E2 matrix elements, B(E2), deformation parameters, transition quadrupole moments. 94Mo, 104Pd; deduced levels, Coulomb excitation yields. GOSIA analysis of Coulomb excitation yields. Comparison with predictions of beyond-mean-field (BMF) model, interacting boson model (IBM), general Bohr Hamiltonian (GBH) model, phenomenological two-level mixing model, and with previous measurement of mean-square charge radii.
doi: 10.1103/PhysRevC.92.054301
2015OR01 Phys.Lett. B 740, 298 (2015) R.Orlandi, D.Mucher, R.Raabe, A.Jungclaus, S.D.Pain, V.Bildstein, R.Chapman, G.de Angelis, J.G.Johansen, P.Van Duppen, A.N.Andreyev, S.Bottoni, T.E.Cocolios, H.De Witte, J.Diriken, J.Elseviers, F.Flavigny, L.P.Gaffney, R.Gernhauser, A.Gottardo, M.Huyse, A.Illana, J.Konki, T.Kroll, R.Krucken, J.F.W.Lane, V.Liberati, B.Marsh, K.Nowak, F.Nowacki, J.Pakarinen, E.Rapisarda, F.Recchia, P.Reiter, T.Roger, E.Sahin, M.Seidlitz, K.Sieja, J.F.Smith, J.J.Valiente Dobon, M.von Schmid, D.Voulot, N.Warr, F.K.Wenander, K.Wimmer Single-neutron orbits near 78Ni: Spectroscopy of the N=49 isotope 79Zn NUCLEAR REACTIONS 2H(78Zn, p), E=2.83 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced partial level scheme, energy levels, J, π, σ(θ). Comparison with large-scale shell-model calculations.
doi: 10.1016/j.physletb.2014.12.006
2015VA10 Phys.Rev. C 92, 014325 (2015) C.Van Beveren, A.N.Andreyev, A.E.Barzakh, T.E.Cocolios, D.Fedorov, V.N.Fedosseev, R.Ferrer, M.Huyse, U.Koster, J.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, T.J.Procter, D.Radulov, E.Rapisarda, K.Sandhu, M.D.Seliverstov, P.Van Duppen, M.Venhart, M.Veselsky Internal decay of the (10-) intruder state in 184Tl RADIOACTIVITY 184mTl(IT), (α)[from U(p, X), E=1.4 GeV at ISOLDE-CERN facility and using RILIS]; measured Eγ, Iγ, I(x rays), γ(t), ce, half-life of (10-) isomer, 184Tl; deduced levels, J, π, isomer, internal-conversion coefficients, multipolarity, B(M2), B(E3), retardation factors for M2 and E3 transitions, configuration, intruder character of the (10-) isomer. 187m,188m,189m,190m,191m,192mBi(α); discussed systematics of α-decay parameters to daughter Tl states involving 1h9/2 and 2d3/2 proton configurations.
doi: 10.1103/PhysRevC.92.014325
2014AN10 Phys.Rev. C 90, 044312 (2014) A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, J.Elseviers, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, B.Kindler, B.Lommel, R.Mann, R.D.Page, P.Van Duppen, M.Venhart α decay of 176Au RADIOACTIVITY 176Au(α)[from 141Pr(40Ca, 5n), E=208, 212 MeV using UNILAC and SHIP at GSI]; 172Ir(α)[from 176Au α parent]; measured Eα, Iα, Eγ, Iγ, αγ-, αα-coin; deduced branching ratios, hindrance factors, reduced α-decay widths, Q-values, GEANT simulations, new α decay branch for decay of high spin isomer of 172Ir. 172Ir, 168Re; deduced levels, isomers, J, π, multipolarity, configuration. 180Tl(α); discussed α decay results of experiment at ISOLDE-CERN facility. 168Re, 172Ir, 176Au; discussed general systematics of multiplet states, and calculated Nilsson orbitals for neutrons and protons for 172Ir and 176Au. Comparison with previous experimental results. 175Pt, 177Au(α); observed α.
doi: 10.1103/PhysRevC.90.044312
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
2014BR05 Phys.Rev.Lett. 112, 162701 (2014) N.Bree, K.Wrzosek-Lipska, A.Petts, A.Andreyev, B.Bastin, M.Bender, A.Blazhev, B.Bruyneel, P.A.Butler, J.Butterworth, M.P.Carpenter, J.Cederkall, E.Clement, T.E.Cocolios, A.Deacon, J.Diriken, A.Ekstrom, C.Fitzpatrick, L.M.Fraile, Ch.Fransen, S.J.Freeman, L.P.Gaffney, J.E.Garcia-Ramos, K.Geibel, R.Gernhauser, T.Grahn, M.Guttormsen, B.Hadinia, K.Hadynska-Klek, M.Hass, P.-H.Heenen, R.-D.Herzberg, H.Hess, K.Heyde, M.Huyse, O.Ivanov, D.G.Jenkins, R.Julin, N.Kesteloot, Th.Kroll, R.Krucken, A.C.Larsen, R.Lutter, P.Marley, P.J.Napiorkowski, R.Orlandi, R.D.Page, J.Pakarinen, N.Patronis, P.J.Peura, E.Piselli, P.Rahkila, E.Rapisarda, P.Reiter, A.P.Robinson, M.Scheck, S.Siem, K.Singh Chakkal, J.F.Smith, J.Srebrny, I.Stefanescu, G.M.Tveten, P.Van Duppen, J.Van de Walle, D.Voulot, N.Warr, F.Wenander, A.Wiens, J.L.Wood, M.Zielinska Shape Coexistence in the Neutron-Deficient Even-Even 182-188Hg Isotopes Studied via Coulomb Excitation NUCLEAR REACTIONS 120Sn, 107Ag, 112,114Cd(182Hg, 182Hg'), (184Hg, 184Hg'), (186Hg, 186Hg'), (188Hg, 188Hg'), E=2.85 MeV/nucleon; measured reaction products, Eγ, Iγ. 182,184,186,188Hg; deduced energy levels, J, π, nuclear matrix elements, B(E2). Comparison with IBM calculations, experimental data.
doi: 10.1103/PhysRevLett.112.162701
2014BU06 Phys.Rev. C 90, 014317 (2014) I.Budincevic, J.Billowes, M.L.Bissell, T.E.Cocolios, R.P.de Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, K.M.Lynch, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Laser spectroscopy of francium isotopes at the borders of the region of reflection asymmetry NUCLEAR MOMENTS 218m,219,229,231Fr; measured hyperfine spectra, isotope shifts using Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE-CERN facility; deduced rms charge radii, magnetic dipole moments, nuclear g factors, configuration. Comparison with previous experimental results. Discussed charge radii odd-even staggering. Reflection-asymmetric shapes. RADIOACTIVITY 218mFr(α); measured Eα, half-life.
doi: 10.1103/PhysRevC.90.014317
2014FE01 Phys.Lett. B 728, 191 (2014) R.Ferrer, N.Bree, T.E.Cocolios, I.G.Darby, H.De Witte, W.Dexters, J.Diriken, J.Elseviers, S.Franchoo, M.Huyse, N.Kesteloot, Yu.Kudryavtsev, D.Pauwels, D.Radulov, T.Roger, H.Savajols, P.Van Duppen, M.Venhart In-gas-cell laser ionization spectroscopy in the vicinity of 100Sn: Magnetic moments and mean-square charge radii of N=50-54 Ag NUCLEAR MOMENTS 97,98,99,100,101,107,109Ag; measured scanning laser frequency, Eγ, Iγ, Eβ, Iβ; deduced magnetic dipole moments, rms radii, hyperfine structures. Comparison with spherical droplet model predictions, available data.
doi: 10.1016/j.physletb.2013.11.055
2014GH09 Phys.Rev. C 90, 041301 (2014) L.Ghys, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Sels, B.Andel, S.Antalic, A.Barzakh, L.Capponi, T.E.Cocolios, X.Derkx, H.De Witte, J.Elseviers, D.V.Fedorov, V.N.Fedosseev, F.P.Hessberger, Z.Kalaninova, U.Koster, J.F.W.Lane, V.Liberati, K.M.Lynch, B.A.Marsh, S.Mitsuoka, P.Moller, Y.Nagame, K.Nishio, S.Ota, D.Pauwels, R.D.Page, L.Popescu, D.Radulov, M.M.Rajabali, J.Randrup, E.Rapisarda, S.Rothe, K.Sandhu, M.D.Seliverstov, A.M.Sjodin, V.L.Truesdale, C.Van Beveren, P.Van den Bergh, Y.Wakabayashi, M.Warda Evolution of fission-fragment mass distributions in the neutron-deficient lead region RADIOACTIVITY 194,196At, 200,202Fr(β+F)[from U(p, X), E=1.4 GeV at CERN-ISOLDE using HRS and GPS separators]; measured mass and energy distributions of coincident fission fragments after β-delayed fission, ratio of α to β-delayed-fission decays, total kinetic energy. 196At, 200Fr; deduced β-delayed fission decay probabilities, new region of multimodal fission in the neutron-deficient lead region. 196Po; Calculated potential energy surface contour. Comparison with Finite-range liquid-drop (FRLDM) and Hartree-Fock-Bogoliubov (HFB) model calculations. Comparison with experimental results for β-delayed fission of 180Tl.
doi: 10.1103/PhysRevC.90.041301
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
2014LY01 Phys.Rev.X 4, 011055 (2014) K.M.Lynch, J.Billowes, M.L.Bissell, I.Budincevic, T.E.Cocolios, R.P.De Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Decay-Assisted Laser Spectroscopy of Neutron-Deficient Francium RADIOACTIVITY 202,203,204,205,206,218,219,221,229,231Fr(α) [from U(p, X), E=1.4 GeV]; measured decay products, hyperfine structure, Eα, Iα; deduced T1/2, magnetic moments, charge radii, quadrupole deformation parameters, yields of neutron-deficient francium isotopes, nuclear g factors. Comparison with available data.
doi: 10.1103/PhysRevX.4.011055
2014SE07 Phys.Rev. C 89, 034323 (2014) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Electromagnetic moments of odd-A 193-203, 211Po isotopes RADIOACTIVITY 193Po, 193mPo, 195Po, 195mPo, 197Po, 197mPo, 199Po, 199mPo, 201Po, 201mPo, 203Po, 203mPo, 209Po, 211Po(α)[from 238U(p, F), E=1.4 GeV followed by mass separation]; measured Eα, Eγ, hyperfine splitting parameters for low-spin ground state and high-spin Po activities using in-source resonance ionization spectroscopy technique, and Wildmill chamber at ISOLDE-CERN facility; deduced magnetic dipole and spectroscopic electric quadrupole moments. Comparison with particle-plus-rotor model calculations. NUCLEAR MOMENTS 193,193m,195,195m,197,197m,199,199m,201,201m,203,203m,209,211Po; measured hyperfine splitting constants; magnetic dipole moments, and spectroscopic electric quadrupole moments, quadrupole deformation parameters using online mass separator and in-source resonance ionization spectroscopy technique at ISOLDE-CERN facility. Comparison with predictions of particle-plus-rotor model calculations, and with previous experimental results. Discussed configuration mixing. Systematics of magnetic moments for 3/2- and 13/2+ states in 187,189,191,193,195Pt, 185,187,189,191,193,195Hg, 187,189,191,193,195,197,199Pb, 193,195,197,199,201,203,205,207Po.
doi: 10.1103/PhysRevC.89.034323
2013AN10 Phys.Rev. C 87, 054311 (2013) A.N.Andreyev, V.Liberati, S.Antalic, D.Ackermann, A.Barzakh, N.Bree, T.E.Cocolios, J.Diriken, J.Elseviers, D.Fedorov, V.N.Fedosseev, D.Fink, S.Franchoo, S.Heinz, F.P.Hessberger, S.Hofmann, M.Huyse, O.Ivanov, J.Khuyagbaatar, B.Kindler, U.Koster, J.F.W.Lane, B.Lommel, R.Mann, B.Marsh, P.Molkanov, K.Nishio, R.D.Page, N.Patronis, D.Pauwels, D.Radulov, S.Saro, M.Seliverstov, M.Sjodin, I.Tsekhanovich, P.Van den Bergh, P.Van Duppen, M.Venhart, M.Veselsky α-decay spectroscopy of the chain 179Tlg → 175Aug → 171Irg → 167Rem RADIOACTIVITY 179Tl(α)[from U(p, F), E=1.4 GeV and 144Sm(40Ca, 4np), E=232 MeV]; 175Au, 171Ir(α)[from 179Tl(α) decay]; measured Eα, Iα, Eγ, (recoil)α-, αα-coin, T1/2, α-branching ratios, yields at ISOLDE-CERN and SHIP-GSI facilities. 179Tl, 175Au, 171Ir, 167Re; deduced levels, J, π. 172,173,175Pt, 176,177Hg, 179Au(α); measured Eα. Comparison with earlier experimental results.
doi: 10.1103/PhysRevC.87.054311
2013EL08 Phys.Rev. C 88, 044321 (2013); Erratum Phys.Rev. C 102, 019908 (2020) J.Elseviers, A.N.Andreyev, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, N.Bree, T.E.Cocolios, V.F.Comas, J.Diriken, D.Fedorov, V.N.Fedosseev, S.Franchoo, L.Ghys, J.A.Heredia, O.Ivanov, U.Koster, B.A.Marsh, K.Nishio, R.D.Page, N.Patronis, M.D.Seliverstov, I.Tsekhanovich, P.Van den Bergh, J.Van De Walle, M.Venhart, S.Vermote, M.Veselsky, C.Wagemans β-delayed fission of 180Tl RADIOACTIVITY 180Tl(EC), (β+), (SF)[from U(p, X), E=1.4 GeV]; measured Eα, Eβ, Eγ, fission fragment spectra, (fission fragment)(fission fragment)-coin, (fission fragment)γ-coin, mass and energy distribution of fission fragments, total kinetic energy of fission events, β-delayed fission probability, fission yield, half-life of 180Tl using RILIS source and HRS separator at ISOLDE-CERN facility. 180Hg; deduced asymmetric fission of excited states populated in decay of 180Tl. Viola systematics of total kinetic energies vs fissility parameter for 180Hg and heavier actinides.
doi: 10.1103/PhysRevC.88.044321
2013FL09 Phys.Rev.Lett. 111, 212501 (2013) K.T.Flanagan, K.M.Lynch, J.Billowes, M.L.Bissell, I.Budincevic, T.E.Cocolios, R.P.de Groote, S.De Schepper, V.N.Fedosseev, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Collinear Resonance Ionization Spectroscopy of Neutron-Deficient Francium Isotopes NUCLEAR MOMENTS 202,203,204,205Fr; measured hyperfine spectra, isotope shifts; deduced charge radii, nuclear magnetic moments.
doi: 10.1103/PhysRevLett.111.212501
2013GA23 Nature 497, 199 (2013) L.P.Gaffney, P.A.Butler, M.Scheck, A.B.Hayes, F.Wenander, M.Albers, B.Bastin, C.Bauer, A.Blazhev, S.Bonig, N.Bree, J.Cederkall, T.Chupp, D.Cline, T.E.Cocolios, T.Davinson, H.De Witte, J.Diriken, T.Grahn, A.Herzan, M.Huyse, D.G.Jenkins, D.T.Joss, N.Kesteloot, J.Konki, M.Kowalczyk, Th.Kroll, E.Kwan, R.Lutter, K.Moschner, P.Napiorkowski, J.Pakarinen, M.Pfeiffer, D.Radeck, P.Reiter, K.Reynders, S.V.Rigby, L.M.Robledo, M.Rudigier, S.Sambi, M.Seidlitz, B.Siebeck, T.Stora, P.Thoele, P.Van Duppen, M.J.Vermeulen, M.von Schmid, D.Voulot, N.Warr, K.Wimmer, K.Wrzosek-Lipska, C.Y.Wu, M.Zielinska Studies of pear-shaped nuclei using accelerated radioactive beams NUCLEAR REACTIONS 60Ni, 112,114Cd, 120Sn(220Rn, 220Rn'), (224Ra, 224Ra'), E=2.82, 2.83 MeV/nucleon; [220Rn and 224Ra secondary beams from U(p, X), E=1.4 GeV primary reaction]; measured Eγ, Iγ, γγ-, (particle)γγ-, (particle)(particle)γ-coin using Miniball array and DSSSDs at REX-EBIS-ISOLDE-CERN facility. 220Rn, 224Ra; deduced levels, J, π, γ-branching ratios, electromagnetic matrix elements, B(E1), B(E2), B(E3), Q1, Q2, Q3, octupole collectivity and deformation. Discussed electric dipole moment (EDM). Coulomb excitation data analyzed using GOSIA computer code. Comparison with self-consistent mean-field theory, and cluster model calculations. Systematics of Q1, Q2 and Q3 for 218,220,222,224,226Rn, 220,222,224,226,228Ra.
doi: 10.1038/nature12073
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
2013LI49 Phys.Rev. C 88, 044322 (2013) V.Liberati, A.N.Andreyev, S.Antalic, A.Barzakh, T.E.Cocolios, J.Elseviers, D.Fedorov, V.N.Fedoseev, M.Huyse, D.T.Joss, Z.Kalaninova, U.Koster, J.F.W.Lane, B.Marsh, D.Mengoni, P.Molkanov, K.Nishio, R.D.Page, N.Patronis, D.Pauwels, D.Radulov, M.Seliverstov, M.Sjodin, I.Tsekhanovich, P.Van den Bergh, P.Van Duppen, M.Venhart, M.Veselsky β-delayed fission and α decay of 178Tl RADIOACTIVITY 178Tl(α), (EC), (β+), (SF)[from U(p, X), E=1.4 GeV]; measured Eα, Iα, Eγ, x rays, αγ-coin, αα-correlations, β-delayed fission fragment spectra, half-life of 178Tl using RILIS source, HRS and GPS separators at ISOLDE-CERN facility. 174Au; deduced levels, α reduced widths, multipolarity, conversion coefficient. 178Tl; deduced J, π and Q(α) of g.s., α-, EC+β+, β-delayed fission probability, total kinetic energy of fission events. 178Hg; deduced asymmetric fission of excited states populated in decay of 178Tl, comparison with asymmetric fission of 180Hg from 180Tl decay. Viola systematics of total kinetic energies vs fissility parameter for 178,180Hg and heavier actinides.
doi: 10.1103/PhysRevC.88.044322
2013SE03 Phys.Lett. B 719, 362 (2013) M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Charge radii of odd-A 191-211Po isotopes NUCLEAR MOMENTS 191,193,195,197,199,201,203,209,211Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.
doi: 10.1016/j.physletb.2013.01.043
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
2012CO24 J.Phys.:Conf.Ser. 381, 012072 (2012) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy Early onset of deformation in the neutron-deficient polonium isotopes ATOMIC PHYSICS 191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218Po[from high-energy proton-induced spallation of 238U]; measured Eα, Iα, Eβ, Iβ, Eγ, Ιg; deduced even-A charge radius. 199g,199mPo deduced hyperfine spectra, γ transition energy, intensity. Compared with earlier papers.
doi: 10.1088/1742-6596/381/1/012072
2012LY04 J.Phys.:Conf.Ser. 381, 012128 (2012) K.M.Lynch, M.M.Rajabali, H.Aghaei-Khozani, J.Billowes, M.L.Bissell, F.Le Blanc, B.Cheal, T.E.Cocolios, S.De Schepper, K.Dewolf, K.T.Flanagan, M.Hori, T.Kobayashi, B.A.Marsh, G.Neyens, J.Papuga, T.J.Procter, S.Rothe, G.Simpson, A.J.Smith, H.H.Stroke, K.Wendt Laser assisted decay spectroscopy at the CRIS beam line at ISOLDE
doi: 10.1088/1742-6596/381/1/012128
2012PR15 J.Phys.:Conf.Ser. 381, 012070 (2012) T.J.Procter, H.Aghaei-Khozani, J.Billowes, M.L.Bissell, F.Le Blanc, B.Cheal, T.E.Cocolios, K.T.Flanagan, H.Hori, T.Kobayashi, D.Lunney, K.M.Lynch, B.A.Marsh, G.Neyens, J.Papuga, M.M.Rajabali, S.Rothe, G.Simpson, A.J.Smith, H.H.Stroke, W.Vanderheijden, K.Wendt Development of the CRIS (Collinear Resonant Ionisation Spectroscopy) beam line
doi: 10.1088/1742-6596/381/1/012070
2012RO10 Phys.Rev.Lett. 108, 162502 (2012) T.Roger, J.Buscher, B.Bastin, O.S.Kirsebom, R.Raabe, M.Alcorta, J.Aysto, M.J.G.Borge, M.Carmona-Gallardo, T.E.Cocolios, J.Cruz, P.Dendooven, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, L.R.Gasques, G.S.Giri, M.Huyse, S.Hyldegaard, K.Jungmann, W.L.Kruithof, M.Lantz, A.Perea, K.Riisager, A.Saastamoinen, B.Santra, P.D.Shidling, M.Sohani, A.J.Sorensen, O.Tengblad, E.Traykov, D.J.van der Hoek, P.Van Duppen, O.O.Versolato, H.W.Wilschut Precise Determination of the Unperturbed 8B Neutrino Spectrum RADIOACTIVITY 8B(β+), 8Be(α) [from 12C(12C, X)8B, E=55 MeV/nucleon]; measured decay products, Eα, Iα, Eβ, Iβ; deduced final state distribution in 8Be, J, π, neutrino spectrum. Comparison with available data, R-matrix fits.
doi: 10.1103/PhysRevLett.108.162502
2011CO01 Phys.Rev.Lett. 106, 052503 (2011) T.E.Cocolios, W.Dexters, M.D.Seliverstov, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy, M.Bender, P.-H.Heenen Early Onset of Ground State Deformation in Neutron Deficient Polonium Isotopes NUCLEAR REACTIONS U(p, X)192Po/194Po/196Po/198Po/200Po/202Po/204Po/206Po/208Po/210Po/216Po/218Po, E=1.4 GeV; measured reaction products, Ee, Ie, Eα, Iα; deduced isotope shifts, mean-square charge radii. Comparison with systematics and FRDM calculations.
doi: 10.1103/PhysRevLett.106.052503
2011EL07 Phys.Rev. C 84, 034307 (2011) J.Elseviers, A.N.Andreyev, S.Antalic, A.Barzakh, N.Bree, T.E.Cocolios, V.F.Comas, J.Diriken, D.Fedorov, V.N.Fedosseyev, S.Franchoo, J.A.Heredia, M.Huyse, O.Ivanov, U.Koster, B.A.Marsh, R.D.Page, N.Patronis, M.Seliverstov, I.Tsekhanovich, P.Van den Bergh, J.Van De Walle, P.Van Duppen, M.Venhart, S.Vermote, M.Veselsky, C.Wagemans Shape coexistence in 180Hg studied through the β decay of 180Tl RADIOACTIVITY 180Tl(β+), (EC)[from U(p, X), E=1.4 GeV; measured electron-, positron-, α-, and fission-fragment spectra, Eγ, Iγ, γγ-, γ(ce)-coin, half-life at CERN-ISOLDE facility, resonant laser-ionization technique for source extraction. 180Tl; measured half-life of g.s.; deduced branching ratios, J, π of g.s. 180Hg; deduced levels, J, π, E0 transitions, multipolarity. Comparison with level schemes of 182,184,196Hg. Systematics of level energies of even A=174-206 Hg nuclei up to 12+.
doi: 10.1103/PhysRevC.84.034307
2010AN01 J.Phys.(London) G37, 035102 (2010) A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins The new isotope 179Pb and α-decay properties of 179Tlm RADIOACTIVITY 179Tl, 175Au, 179Pb(α) [from 144Sm(40Ca, 5n), E=232 MeV]; measured Eα, Iα; deduced T1/2, J, π. RADIOACTIVITY 172Pt(α); measured decay products, Eα, Iα; deduced %α branch.
doi: 10.1088/0954-3899/37/3/035102
2010AN13 Phys.Rev.Lett. 105, 252502 (2010) A.N.Andreyev, J.Elseviers, M.Huyse, P.Van Duppen, S.Antalic, A.Barzakh, N.Bree, T.E.Cocolios, V.F.Comas, J.Diriken, D.Fedorov, V.Fedosseev, S.Franchoo, J.A.Heredia, O.Ivanov, U.Koster, B.A.Marsh, P.Van den Bergh, J.Van De Walle, K.Nishio, R.D.Page, N.Patronis, M.Seliverstov, I.Tsekhanovich, M.Venhart, S.Vermote, M.Veselsky, C.Wagemans, T.Ichikawa, A.Iwamoto, P.Moller, A.J.Sierk New Type of Asymmetric Fission in Proton-Rich Nuclei RADIOACTIVITY 180Tl(α), (β+), (EC) [from U(p, X), E=1.4 GeV]; measured fission fragments, Eα, Iα, X-rays. 180Hg; deduced asymetric fission fragment distribution, branching ratio for β-delayed fission.
doi: 10.1103/PhysRevLett.105.252502
2010CO01 Phys.Rev. C 81, 014314 (2010) T.E.Cocolios, A.N.Andreyev, B.Bastin, N.Bree, J.Buscher, J.Elseviers, J.Gentens, M.Huyse, Yu.Kudryavtsev, D.Pauwels, T.Sonoda, P.Van den Bergh, P.Van Duppen Magnetic dipole moments of 57, 58, 59Cu NUCLEAR REACTIONS Ni(p, xn)57Cu/58Cu/59Cu, E=30 MeV; Ni(3He, pn)59Cu, E=25 MeV; measured hyperfine spectra of 57,58,59,63,65Cu using in-gas-cell laser spectroscopy at LISOL facility. NUCLEAR MOMENTS 57,58,59,63,65Cu; measured hyperfine spectra using in-gas-cell resonant ionization laser spectroscopy; deduced g-factors, isotope shifts, magnetic dipole moments, and configuration. Comparison with shell-model calculations using GXPF1 interaction.
doi: 10.1103/PhysRevC.81.014314
2010CO13 J.Phys.(London) G37, 125103 (2010) T.E.Cocolios, A.N.Andreyev, S.Antalic, A.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.Zemlyanoy Structure of 191Pb from α- and β-decay spectroscopy RADIOACTIVITY 191,193Bi(EC), 195Po(α); measured Eα, Iα, Eγ, Iγ; deduced branching ratios, α-decay fine structures, γ-ray energies and intensities, J, π, ICC. COMPILATION 191,193,195,197,199,201,203,205,207Pb; compiled experimental nuclear structure data.
doi: 10.1088/0954-3899/37/12/125103
2010DI14 Phys.Rev. C 82, 064309 (2010) J.Diriken, I.Stefanescu, D.Balabanski, N.Blasi, A.Blazhev, N.Bree, J.Cederkall, T.E.Cocolios, T.Davinson, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, G.Georgiev, K.Gladnishki, M.Huyse, O.V.Ivanov, V.S.Ivanov, J.Iwanicki, J.Jolie, T.Konstantinopoulos, Th.Kroll, R.Krucken, U.Koster, A.Lagoyannis, G.Lo Bianco, P.Maierbeck, B.A.Marsh, P.Napiorkowski, N.Patronis, D.Pauwels, P.Reiter, M.Seliverstov, G.Sletten, J.Van de Walle, P.Van Duppen, D.Voulot, W.B.Walters, N.Warr, F.Wenander, K.Wrzosek Coulomb excitation of 73Ga NUCLEAR REACTIONS 104Pd(71Ga, 71Ga'), 120Sn(73Ga, 73Ga'), E=2.95 MeV/nucleon, [secondary 71,73Ga beams from U(p, X), E=1 GeV]; measured Eγ, Iγ, (particle)γ-, γγ-coin at REX-ISOLDE. 71Ga, 73Ga; deduced levels, J, π, B(E2). Comparison with level systematics of 63,65,67,69,71,73,75,77Ga. Collectivity due to g9/2 neutron orbital. RADIOACTIVITY 73Zn(β-)[from U(p, X), E=1 GeV]; measured Eγ.
doi: 10.1103/PhysRevC.82.064309
2009AN14 Phys.Rev. C 80, 024302 (2009) A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins Decay of the 9/2- isomer in 181Tl and mass determination of low-lying states in 181Tl, 177Au, and 173Ir RADIOACTIVITY 181Tl, 177Au(α) [from 144Sm(40Ca, 2np)]; measured Eα, Iα, Eγ, Iγ, γγ-, αγ-coin, α-α correlations and half-lives; deduced branching ratios and hindrance factors. 173Ir, 177Au, 181Tl; deduced levels, J, π, isomers. 173Ir, 173mIr, 177Au, 177mAu, 181Tl, 181mTl, 185Bi; deduced mass excesses. Level energy systematics of odd-A Tl isotopes.
doi: 10.1103/PhysRevC.80.024302
2009AN17 Phys.Rev. C 80, 044334 (2009) A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antila, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins Identification and decay of the 0.48 ms 13/2+ isomer in 181Hg NUCLEAR REACTIONS 144Sm(40Ca, n2p), E=177-229 MeV; measured Eγ, Iγ, γγ-coin, delayed γ, and half-lives. 181Hg; deduced levels, J, π, multipolarities, isomer. Comparison with earlier experimental data.
doi: 10.1103/PhysRevC.80.044334
2009AN20 Phys.Rev. C 80, 054322 (2009) A.N.Andreyev, S.Antalic, D.Ackermann, T.E.Cocolios, V.F.Comas, J.Elseviers, S.Franchoo, S.Heinz, J.A.Heredia, F.P.Hessberger, S.Hofmann, M.Huyse, J.Khuyagbaatar, I.Kojouharov, B.Kindler, B.Lommel, R.Mann, R.D.Page, S.Rinta-Antilla, P.J.Sapple, S.Saro, P.Van Duppen, M.Venhart, H.V.Watkins α decay of 180, 181Pb RADIOACTIVITY 180,181Pb(α) [from 144Sm(40Ca, xn), E=196 MeV];measured Eα, Iα, (evaporation residues)α-, αγ-coin, α-α correlations, and half-lives using SHIP at GSI facility; deduced branching ratios and α-reduced widths. 177Hg; deduced levels, J, π. 172,173Pt, 176,177Hg(α); measured Eα, half-life. 178Hg, 182Pb; measured Eα.
doi: 10.1103/PhysRevC.80.054322
2009CO14 Phys.Rev.Lett. 103, 102501 (2009) T.E.Cocolios, A.N.Andreyev, B.Bastin, N.Bree, J.Buscher, J.Elseviers, J.Gentens, M.Huyse, Yu.Kudryavtsev, D.Pauwels, T.Sonoda, P.Van den Bergh, P.Van Duppen Magnetic Dipole Moment of 57, 59Cu Measured by In-Gas-Cell Laser Spectroscopy NUCLEAR MOMENTS 57,59,63,65Cu; measured hyperfine spectra and parameters; deduced nuclear magnetic dipole moments. Comparison with GXPF1 shell model calculations.
doi: 10.1103/PhysRevLett.103.102501
2009PA16 Phys.Rev. C 79, 044309 (2009) D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, M.Huyse, Yu.Kudryavtsev, R.Raabe, M.Sawicka, J.Van de Walle, P.Van Duppen, A.Korgul, I.Stefanescu, A.A.Hecht, N.Hoteling, A.Wohr, W.B.Walters, R.Broda, B.Fornal, W.Krolas, T.Pawlat, J.Wrzesinski, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, J.R.Stone, X.Wang Structure of 65, 67Co studied through the β decay of 65, 67Fe and a deep-inelastic reaction RADIOACTIVITY 65,65mFe, 65Co, 67Fe(β-)[from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-lives. 65Co, 65Ni, 67Co; deduced levels, J, π, configurations. 61,63,65Co; level systematics. Interpretation in terms of core coupled states with proton intruder orbitals. NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 65Co; deduced levels, J, π, configurations.
doi: 10.1103/PhysRevC.79.044309
2009ST07 Phys.Rev. C 79, 044325 (2009) I.Stefanescu, D.Pauwels, N.Bree, T.E.Cocolios, J.Diriken, S.Franchoo, M.Huyse, O.Ivanov, Y.Kudryavtsev, N.Patronis, J.Van De Walle, P.Van Duppen, W.B.Walters Evidence for a β-decaying 1/2- isomer in 71Ni RADIOACTIVITY 71Co, 71Ni(β-) [from 238U(p, X), E=30 MeV]; measured Eγ, Iγ, β, γγ-, βγ-coin with laser on Co resonance, half-lives. 71Ni, 71Cu; deduced levels, J, π, configurations. 69Ni, 69Cu; systematics.
doi: 10.1103/PhysRevC.79.044325
2009VA01 Phys.Rev. C 79, 014309 (2009) J.Van de Walle, F.Aksouh, T.Behrens, V.Bildstein, A.Blazhev, J.Cederkall, E.Clement, T.E.Cocolios, T.Davinson, P.Delahaye, J.Eberth, A.Ekstrom, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, S.Franchoo, R.Gernhauser, G.Georgiev, D.Habs, K.Heyde, G.Huber, M.Huyse, F.Ibrahim, O.Ivanov, J.Iwanicki, J.Jolie, O.Kester, U.Koster, T.Kroll, R.Krucken, M.Lauer, A.F.Lisetskiy, R.Lutter, B.A.Marsh, P.Mayet, O.Niedermaier, M.Pantea, R.Raabe, P.Reiter, M.Sawicka, H.Scheit, G.Schrieder, D.Schwalm, M.D.Seliverstov, T.Sieber, G.Sletten, N.Smirnova, M.Stanoiu, I.Stefanescu, J.-C.Thomas, J.J.Valiente-Dobon, P.Van Duppen, D.Verney, D.Voulot, N.Warr, D.Weisshaar, F.Wenander, B.H.Wolf, M.Zielinska Low-energy Coulomb excitation of neutron-rich zinc isotopes NUCLEAR REACTIONS 120Sn(74Zn, 74Zn'), E=2.87 MeV/nucleon; 120Sn(76Zn, 76Zn'), E=2.83 MeV/nucleon; 108Pd(78ZN, 78Zn'), E=2.87 MeV/nucleon; 108Pd(80Zn, 80Zn'), E=2.79 MeV/nucleon; measured Eγ, Iγ, charged particle spectra, (particle)-γ coin, measured half-lives of first 2+ state, B(E2). 74,76,78,80Zn, 80Ga, 80Rb, 108Pd, 120Sn; deduced levels. Fe, Ni, Zn, Ge, Se; systematics of B(E2) values. Comparison with shell-model calculations.
doi: 10.1103/PhysRevC.79.014309
2008PA33 Phys.Rev. C 78, 041307 (2008) D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, J.Gentens, M.Huyse, A.Korgul, Yu.Kudryavtsev, R.Raabe, M.Sawicka, I.Stefanescu, J.Van de Walle, P.Van den Bergh, P.Van Duppen, W.B.Walters Shape isomerism at N = 40: Discovery of a proton intruder state in 67Co RADIOACTIVITY 67Fe(β-) [from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, Eβ, Iβ, γγ-, γβ-coin, half-lives, multipolarities, logft. 67Co; deduced levels, isomers, configurations by correlation techniques. Comparisons with 57,59,61,63,65,67Co, 68Ni and theoretical data.
doi: 10.1103/PhysRevC.78.041307
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