NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = R.E.Rossel Found 27 matches. 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
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
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
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
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
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
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
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
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
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
2017RO21 J.Phys.(London) G44, 104003 (2017) S.Rothe, J.Sundberg, J.Welander, K.Chrysalidis, T.D.Goodacre, V.Fedosseev, S.Fiotakis, O.Forstner, R.Heinke, K.Johnston, T.Kron, U.Koster, Y.Liu, B.Marsh, A.Ringvall-Moberg, R.E.Rossel, C.Seiffert, D.Studer, K.Wendt, D.Hanstorp Laser photodetachment of radioactive 128I1 NUCLEAR REACTIONS 128I(γ, X), E<3.1 eV; measured reaction products; deduced the electron affinity (EA) of a radioactive isotope.
doi: 10.1088/1361-6471/aa80aa
2016BA44 Phys.Lett. B 760, 387 (2016) C.Babcock, H.Heylen, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, D.Fedorov, R.F.Garcia Ruiz, W.Geithner, W.Gins, T.Day Goodacre, L.K.Grob, M.Kowalska, S.M.Lenzi, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang Quadrupole moments of odd-A 53-63Mn: Onset of collectivity towards N = 40 NUCLEAR MOMENTS 53,55,57,59,61,63Mn; measured hyperfine spectra; deduced spectroscopic quadrupole moments. Comparison with large-scale shell model predictions using three effective interactions, GXPF1A, LNPS, modified A3DA.
doi: 10.1016/j.physletb.2016.07.016
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
2016HE14 Phys.Rev. C 94, 054321 (2016) H.Heylen, C.Babcock, R.Beerwerth, J.Billowes, M.L.Bissell, K.Blaum, J.Bonnard, P.Campbell, B.Cheal, T.Day Goodacre, D.Fedorov, S.Fritzsche, R.F.Garcia Ruiz, W.Geithner, Ch.Geppert, W.Gins, L.K.Grob, M.Kowalska, K.Kreim, S.M.Lenzi, I.D.Moore, B.Maass, S.Malbrunot-Ettenauer, B.Marsh, R.Neugart, G.Neyens, W.Nortershauser, T.Otsuka, J.Papuga, R.Rossel, S.Rothe, R.Sanchez, Y.Tsunoda, C.Wraith, L.Xie, X.F.Yang, D.T.Yordanov Changes in nuclear structure along the Mn isotopic chain studied via charge radii ATOMIC PHYSICS 51,53,54,55,56,57,58,59,60,61,62,63,64Mn; measured hyperfine spectra using collinear laser spectroscopy at ISOLDE-CERN; deduced charge radii. Isotopes produced in bombardment of uranium carbide target with 1.4-GeV proton beam. Mass and field shift factors calculated in multiconfiguration Dirac-Fock framework and combined with King plot analysis. Comparison with Duflo-Zuker formula. NUCLEAR STRUCTURE 53,55,57,59,61,63,65Mn; calculated potential energy surfaces using Monte Carlo shell-model. Systematics of S(2n) values for Z=20-28, N=24-46 nuclei.
doi: 10.1103/PhysRevC.94.054321
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
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
2014BU06 Phys.Rev. C 90, 014317 (2014) I.Budincevic, J.Billowes, M.L.Bissell, T.E.Cocolios, R.P.de Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, K.M.Lynch, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Laser spectroscopy of francium isotopes at the borders of the region of reflection asymmetry NUCLEAR MOMENTS 218m,219,229,231Fr; measured hyperfine spectra, isotope shifts using Collinear Resonance Ionization Spectroscopy (CRIS) at ISOLDE-CERN facility; deduced rms charge radii, magnetic dipole moments, nuclear g factors, configuration. Comparison with previous experimental results. Discussed charge radii odd-even staggering. Reflection-asymmetric shapes. RADIOACTIVITY 218mFr(α); measured Eα, half-life.
doi: 10.1103/PhysRevC.90.014317
2014LY01 Phys.Rev.X 4, 011055 (2014) K.M.Lynch, J.Billowes, M.L.Bissell, I.Budincevic, T.E.Cocolios, R.P.De Groote, S.De Schepper, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, R.F.Garcia Ruiz, H.Heylen, B.A.Marsh, G.Neyens, T.J.Procter, R.E.Rossel, S.Rothe, I.Strashnov, H.H.Stroke, K.D.A.Wendt Decay-Assisted Laser Spectroscopy of Neutron-Deficient Francium RADIOACTIVITY 202,203,204,205,206,218,219,221,229,231Fr(α) [from U(p, X), E=1.4 GeV]; measured decay products, hyperfine structure, Eα, Iα; deduced T1/2, magnetic moments, charge radii, quadrupole deformation parameters, yields of neutron-deficient francium isotopes, nuclear g factors. Comparison with available data.
doi: 10.1103/PhysRevX.4.011055
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
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
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