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NSR database version of April 26, 2024.

Search: Author = R.Heinke

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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
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2023AU02      Phys.Rev. C 107, 064604 (2023)

M.Au, M.Athanasakis-Kaklamanakis, L.Nies, R.Heinke, K.Chrysalidis, U.Koster, P.Kunz, B.Marsh, M.Mougeot, L.Schweikhard, S.Stegemann, Y.Vila Gracia, Ch.E.Dullmann, S.Rothe

Production of neptunium and plutonium nuclides from uranium carbide using 1.4-GeV protons

NUCLEAR REACTIONS U(p, X)²³⁵Np/²³⁶Np/²³⁷Np/²³⁸Np/²³⁹Np/²⁴⁰Np/²⁴¹Np/²³⁵Pu/²³⁶Pu/²³⁷Pu/²³⁸Pu/²³⁹Pu/²⁴⁰Pu/²⁴¹Pu, E=1.4 GeV; measured reaction products using resonance ionization laser ion source (RILIS), general purpose separator (GPS), and ISOLTRAP multireflection time-of-flight mass spectrometer (MR-ToF MS) at CERN-ISOLDE facility. ^{234,237,236,239,240}U, ^{231,232,233,234,235,236,237,238,239,240,241}Np, ^{235,236,237,238,239,240,241}Pu; calculated production yields by inelastic reactions and through decays of precursors: ^234,236,237Pa, ^231,233,235Pu, ^237,239,240U, ²³⁵Am, ^{235,236,238,239,240,241}Np using GEANT4 QGSP_INCLXX+ABLA code. Comparison with predictions of GEANT4 and FLUKA simulations; discussed limit of accelerator-based isotope production at high-energy proton accelerator facilities for nuclides in the actinide region.

ATOMIC PHYSICS ^236,237,239Np, ^236,239,240Pu; measured isotope shifts for the 395.6-nm ground-state transition in Np isotopes, and for the 413.4-nm ground-state transition in Pu isotopes by two-step ionization schemes using intra-cavity doubled Ti:Sa lasers to resonantly ionize Np and Pu isotopes.

doi: 10.1103/PhysRevC.107.064604
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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
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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 T_1/2. Comparison with available data. The ISOLDE facility at CERN.

doi: 10.1038/s41586-023-05894-z
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2023WE04      Phys.Rev. C 107, 034313 (2023)

F.Weber, T.E.Albrecht-Schonzart, S.O.Allehabi, S.Berndt, M.Block, H.Dorrer, C.E.Dullmann, V.A.Dzuba, J.G.Ezold, V.V.Flambaum, V.Gadelshin, S.Goriely, A.Harvey, R.Heinke, S.Hilaire, M.Kaja, T.Kieck, N.Kneip, U.Koster, J.Lantis, C.Mokry, D.Munzberg, S.Nothhelfer, S.Oberstedt, S.Peru, S.Raeder, J.Runke, V.Sonnenschein, M.Stemmler, D.Studer, P.Thorle-Pospiech, H.Tomita, N.Trautmann, S.Van Cleve, J.Warbinek, K.Wendt

Nuclear moments and isotope shifts of the actinide isotopes ^249-253Cf probed by laser spectroscopy

NUCLEAR MOMENTS ^{249,250,251,252,253}Cf; measured hyperfine spectra; deduced energy positions of three atomic ground-state transitions, isotope shifts. ^249,251,253Cf; deduced nuclear magnetic dipole moments, hyperfine parameters. ^249,253Cf; deduced spectroscopic quadrupole moments. Comparison with previous experimental data. Laser resonance ionisation high-resolution spectroscopy. Comparison to theoretical estimations. RISIKO mass separator at Johannes Gutenberg University Mainz.

doi: 10.1103/PhysRevC.107.034313
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2022NO01      Phys.Rev. C 105, L021302 (2022)

S.Nothhelfer, Th.E.Albrecht-Schonzart, M.Block, P.Chhetri, Ch.E.Dullmann, J.G.Ezold, V.Gadelshin, A.Gaiser, F.Giacoppo, R.Heinke, T.Kieck, N.Kneip, M.Laatiaoui, Ch.Mokry, S.Raeder, J.Runke, F.Schneider, J.M.Sperling, D.Studer, P.Thorle-Pospiech, N.Trautmann, F.Weber, K.Wendt

Nuclear structure investigations of ^253-255Es by laser spectroscopy

NUCLEAR MOMENTS ^253,254,255Es; measured hyperfine spectra; deduced J, isotope shifts, hyperfine constants, nuclear spins, magnetic dipole moments, electric quadrupole moments. Comparison with previous experimental data. Laser resonance ionization spectroscopy. RISIKO mass separator at Johannes Gutenberg University Mainz.

doi: 10.1103/PhysRevC.105.L021302
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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 ^{187,188,189,191}Bi; 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
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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,190,190m}Bi(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 T_1/2 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 T_1/2 in neutron deficient nuclei in Tl, Bi, At, Fr, Np, Am, Bk, Es and Md isotopes. ^{182,184,186,188,190,192}Pb; 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
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2020KR09      Phys.Rev. C 102, 034307 (2020)

T.Kron, R.Beerwerth, S.Raeder, S.Fritzsche, R.Heinke, P.Schonberg, M.Trumper, K.Wendt

Hyperfine structure study of ^{97, 98, 99}Tc in a new laser ion source for high-resolution laser spectroscopy

NUCLEAR MOMENTS ^97,98,99Tc; measured hyperfine structure spectra of three different atomic transitions in Tc using resonance ionization spectroscopy (RIS) and efficient laser spectroscopy at the RISIKO mass separator Mainz university; deduced hyperfine structure coupling constants, μ, Q of ground states of ⁹⁷Tc and ⁹⁸Tc, isotope shifts, differences in charge radii based on calculated mass- and field-shift parameters using atomic MCDHF calculations. Comparison with previous experimental results. Systematics of g factors, magnetic dipole moments and electric quadrupole moments for Z=43, A=93-99 isotopes, charge radii for Z=39, N=47-63, Z=40, N=47-62, Z=41, N=49-62, Z=42, N=48-64, Z=43, N=54-56, Z=44, N=52-64, Z=46, N=56-64, and Z=47, N=54-62.

doi: 10.1103/PhysRevC.102.034307
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2020ST03      Eur.Phys.J. A 56, 69 (2020)

D.Studer, J.Ulrich, S.Braccini, T.S.Carzaniga, R.Dressler, K.Eberhardt, R.Heinke, U.Koster, S.Raeder, K.Wendt

High-resolution laser resonance ionization spectroscopy of ^143-147Pm

doi: 10.1140/epja/s10050-020-00061-8
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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 ^{222,223,224,225,226,227,228,229,230,231,232,233}Ra; 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. ^{223,225,227,229,231}Ra; 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
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2017FE10      Nat. Commun. 8, 14520 (2017)

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martínez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured frequencies; deduced hfs spectra, magnetic dipole and electric quadrupole moments. In-gas laser ionization and spectroscopy (IGLIS) technique.

doi: 10.1038/ncomms14520
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2017GR18      Phys.Rev. C 96, 054331 (2017)

C.Granados, P.Creemers, R.Ferrer, L.P.Gaffney, W.Gins, R.de Groote, M.Huyse, Yu.Kudryavtsev, Y.Martinez, S.Raeder, S.Sels, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wrzosek-Lipska, A.Zadvornaya, A.E.Barzakh, B.Bastin, P.Delahaye, L.Hijazi, N.Lecesne, F.Luton, J.Piot, H.Savajols, J.-C.Thomas, E.Traykov, R.Beerwerth, S.Fritzsche, M.Block, X.Flechard, S.Franchoo, L.Ghys, H.Grawe, R.Heinke, T.Kron, P.Naubereit, K.Wendt, M.Laatiaoui, I.Moore, V.Sonnenschein, M.Loiselet, E.Mogilevskiy, S.Rothe

In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured optical hyperfine spectra by the in-gas laser ionization and spectroscopy (IGLIS) technique at the LISOL facility of Cyclotron Research Centre, Louvain-la-Neuve; deduced g factors, quadrupole moments and spins of the ground states, configurations. Comparison with large-scale nuclear-shell-model calculations. ^212,213Ac produced in ¹⁹⁷Au(²⁰Ne, 5n), (²⁰Ne, 4n), E=145 MeV. ^214,215Ac produced in ¹⁹⁷Au(²²Ne, 5n), (²²Ne, 4n), E=143 MeV.

RADIOACTIVITY ²¹⁵Ac(α)[from ¹⁹⁷Au(²²Ne, 4n), E=143 MeV; measured Eα.

doi: 10.1103/PhysRevC.96.054331
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2017RA01      Hyperfine Interactions 238, 15 (2017)

S.Raeder, T.Kron, R.Heinke, J.L.Henares, N.Lecesne, P.Schonberg, M.Trumper, K.Wend

High resolution spectroscopy of the hyperfine structure splitting in ^{97, 99}Tc

NUCLEAR MOMENTS ^97,99Tc; measured hyperfine structures; deduced isotope shifts, magnetic dipole moments.

doi: 10.1007/s10751-016-1389-z
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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
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2016FE11      Nat. Commun. 8, 14520 (2016), See 2017FE10

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martinez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS ^{212,213,214,215,227}Ac; measured frequencies; deduced nuclear magnetic moments, electric quadrupole moments, radii. Comparison with theoretical calculations, experimental data.

doi: 10.1038/ncomms14520
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