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NSR database version of April 26, 2024.

Search: Author = M.Veinhard

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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, 208}Hg Isotopes: Illuminating the Kink and Odd-Even Staggering in Charge Radii across the N = 126 Shell Closure

NUCLEAR MOMENTS ^{202,203,206,207,208}Hg; 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
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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 ^{198,202,203,206,207,208}Hg; 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 ^{197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,212,213,214}Pb, ^{201,202,203,204,205,206,207,208,209,210}Hg. 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. ^{183,184,185,202,203,206,207,208}Hg; 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
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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
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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 ^{177,178,179,180,181,182,183,184,185,185m}Hg; 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
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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, 179}Au

RADIOACTIVITY ¹⁸¹Tl(α) [from U(p, X), E=1.4 GeV]; measured decay products, Eα, Iα; deduced α-decay branching ratio and T_1/2. 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
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2017GA14      Eur.Phys.J. Special Topics 226, 1623 (2017)

L.Gastaldo, K.Blaum, K.Chrysalidis, T.Day Goodacre, A.Domula, M.Door, H.Dorrer, Ch.E.Dullmann, K.Eberhardt, S.Eliseev, C.Enss, A.Faessler, P.Filianin, A.Fleischmann, D.Fonnesu, L.Gamer, R.Haas, C.Hassel, D.Hengstler, J.Jochum, K.Johnston, U.Kebschull, S.Kempf, T.Kieck, U.Koster, S.Lahiri, M.Maiti, F.Mantegazzini, B.Marsh, P.Neroutsos, Yu.N.Novikov, P.C.O.Ranitzsch, S.Rothe, A.Rischka, A.Saenz, O.Sander, F.Schneider, S.Scholl, R.X.Schussler, Ch.Schweiger, F.Simkovic, T.Stora, Z.Szucs, A.Turler, M.Veinhard, M.Weber, M.Wegner, K.Wendt and K.Zuber

The electron capture in ¹⁶³Ho experiment - ECHo

RADIOACTIVITY ¹⁶³Ho(EC); measured decay products, X-rays; calculated electron capture spectrum; deduced sensitivity towards neutrino mass measurements.

doi: 10.1140/epjst/e2017-70071-y
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