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NSR database version of April 24, 2024.

Search: Author = A.M.Sjodin

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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, T_1/2, 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
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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
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2018ST18      Phys.Rev. C 98, 064326 (2018)

M.Stryjczyk, Y.Tsunoda, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, T.Otsuka, D.Pauwels, L.Popescu, D.Radulov, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, P.Van Duppen, M.Venhart, W.B.Walters, K.Wimmer

β^-decay study of the ⁶⁶Mn - ⁶⁶Fe - ⁶⁶Co - ⁶⁶Ni decay chain

RADIOACTIVITY ⁶⁶Mn(β^-), (β^-n)[from U(p, F), Mn beam purified by laser resonance ionization and mass separation]; ⁶⁶Fe(β^-)[from ⁶⁶Mn β^- decay]; ⁶⁶Co(β^-)[from ⁶⁶Fe β^- decay]; measured Eβ, Iβ, Eγ, Iγ, half-lives of β-decaying ⁶⁶Mn, ⁶⁶Fe, ⁶⁶Co, γγ- and βγγ-coin, half-lives of isomers in ⁶⁵Fe, ⁶⁶Co by γ(t) using plastic scintillators for β detection and MiniBall cluster Ge detectors for γ detection at ISOLDE-CERN. ^65,66Fe, ⁶⁶Co, ⁶⁶Ni; deduced levels, isomers, J, π, β feedings, logft, B(GT) values, %β^-n value for the decay of ⁶⁶Mn. Comparison with Monte Carlo shell model calculations.

NUCLEAR STRUCTURE ⁶⁶Mn, ⁶⁶Fe, ⁶⁶Co, ⁶⁶Ni; calculated average proton and neutron occupation numbers for selected low-lying positive-parity states, potential energy surface (PES) in (Q₀, Q₂) plane, levels, J, π, B(M1), B(E2) using Monte Carlo Shell model with the A3DA interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.98.064326
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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,184m}Tl; 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 UC_x target, and General Purpose Separator of ISOLDE.

doi: 10.1103/PhysRevC.95.014324
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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
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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, 219}Po

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, T_1/2, hindrance factors. Comparison with available data.

doi: 10.1103/PhysRevX.5.011018
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2015FL01      Phys.Rev. C 91, 034310 (2015)

F.Flavigny, D.Pauwels, D.Radulov, I.J.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, V.S.Ivanov, U.Koster, B.A.Marsh, T.Otsuka, L.Popescu, R.Raabe, M.D.Seliverstov, N.Shimizu, A.M.Sjodin, Y.Tsunoda, P.Van den Bergh, P.Van Duppen, J.Van de Walle, M.Venhart, W.B.Walters, K.Wimmer

Characterization of the low-lying 0⁺ AND 2⁺ states in ⁶⁸Ni via β decay of the low-spin ⁶⁸Co isomer

RADIOACTIVITY ⁶⁸Co(β^-), (β^-n)[from ⁶⁸Mn -> ⁶⁸Fe -> ⁶⁸Co decay chain, ⁶⁸Mn from ²³⁸U(p, F), E=1 GeV]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of first excited 0+ state by βγ(t) using RILIS and Miniball array at ISOLDE-CERN facility. ⁶⁸Ni; deduced levels, J, π, β feedings, logft, E0 decays, delayed neutron emission probability P_n, B(E2), configuration. Comparison with previous results, and with Monte Carlo shell model (MCSM) calculations. ^67,68Fe, ⁶⁷Co, ⁶⁸Ga, ¹³⁶I(β^-); detected γ rays.

NUCLEAR STRUCTURE ⁶⁸Ni; calculated Potential energy surfaces in (Q₀, Q₂) plane for the ground state and first 2+ state. Large-scale Monte Carlo shell model calculations. Comparison with experimental data.

doi: 10.1103/PhysRevC.91.034310
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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
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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, 211}Po 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,209,211}Po; 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 ^{187,189,191,193,195}Pt, ^{185,187,189,191,193,195}Hg, ^{187,189,191,193,195,197,199}Pb, ^{193,195,197,199,201,203,205,207}Po.

doi: 10.1103/PhysRevC.89.034323
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2013RA17      Phys.Rev. C 88, 014307 (2013)

D.Radulov, C.J.Chiara, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, D.Pauwels, L.Popescu, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, P.Van Duppen, M.Venhart, W.B.Walters, K.Wimmer

β decay of ⁶¹Mn to levels in ⁶¹Fe

RADIOACTIVITY ⁶¹Mn(β^-)[from ²³⁸U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-, βγ-coin, βγ(t), T_1/2 of ⁶¹Mn g.s., upper limit of P(n) to first 2+ state in ⁶⁰Fe at ISOLDE, CERN facility. Laser ionization and mass separation of ⁶¹Mn beam. ⁶¹Fe; deduced levels, J, π, β feedings, logft. Comparison with shell-model calculations. Systematics of ground and first excited states in ^{24,26,28,30,32,34,36}Mn.

NUCLEAR STRUCTURE ^59,61Fe; calculated levels J, π using shell model with GXPF1A and pf(g⁰) interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.88.014307
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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 ^{191,193,195,197,199,201,203,209,211}Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.

doi: 10.1016/j.physletb.2013.01.043
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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 ^{191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218}Po[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
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2012PA39      Phys.Rev. C 86, 064318 (2012)

D.Pauwels, D.Radulov, W.B.Walters, I.G.Darby, H.De Witte, J.Diriken, D.V.Fedorov, V.N.Fedosseev, L.M.Fraile, M.Huyse, U.Koster, B.A.Marsh, L.Popescu, M.D.Seliverstov, A.M.Sjodin, P.Van den Bergh, J.Van de Walle, P.Van Duppen, M.Venhart, K.Wimmer

Gamow-Teller decay population of ⁶⁴Ni levels in the decay of 1^{+ 64}Co

RADIOACTIVITY ⁶⁴Co(β^-)[from U(p, F), E=1.4 GeV]; measured Eγ, Iγ, γγ-coin, Eβ using RILIS laser system and MINIBALL γ-detector clusters at CERN-ISOLDE facility. ⁶⁴Ni; deduced levels, J, π, Iβ, logft, configurations, possible proton-intruder levels. ⁶⁴Mn(β^-n); measured Eγ, Iγ; deduced beta-delayed neutron probability P_n. Comparison with previous experimental studies. ^63,64Fe, ⁶⁴Ga, ^128mIn(β^-); observed Eγ.

doi: 10.1103/PhysRevC.86.064318
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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
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2011KO36      Phys.Rev. C 84, 034320 (2011)

U.Koster, N.J.Stone, K.T.Flanagan, J.Rikovska Stone, V.N.Fedosseev, K.L.Kratz, B.A.Marsh, T.Materna, L.Mathieu, P.L.Molkanov, M.D.Seliverstov, O.Serot, A.M.Sjodin, Yu.M.Volkov

In-source laser spectroscopy of ^{75, 77, 78}Cu: Direct evidence for a change in the quasiparticle energy sequence in ^{75, 77}Cu and an absence of longer-lived isomers in ⁷⁸Cu

NUCLEAR MOMENTS ^{59,63,75,77,78}Cu; measured hyperfine structure factors, isotope shifts using in-source laser spectroscopy technique at ISOLDE-CERN facility; deduced magnetic dipole moments and nuclear spins of ^75,77,78Cu. Systematics of magnetic dipole moments of A=57-78 copper isotopes. Comparisons with shell-model calculations. Observed collapsed hyperfine structure for ⁷⁸Cu. No evidence of long-lived isomers in ^77,78Cu from observed hyperfine structures.

doi: 10.1103/PhysRevC.84.034320
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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 ^{191,193,195,197,199,201,203,205,207}Pb; compiled experimental nuclear structure data.

doi: 10.1088/0954-3899/37/12/125103
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Note: The following list of authors and aliases matches the search parameter A.M.Sjodin: A.M.SJODIN, A.M.SJOEDIN