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NSR database version of April 27, 2024.

Search: Author = A.Abramuk

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2022KU09      Phys.Rev. C 105, 034316 (2022)

J.Kurpeta, A.Abramuk, T.Rzaca-Urban, W.Urban, L.Canete, T.Eronen, S.Geldhof, M.Gierlik, J.P.Greene, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, G.S.Simpson, A.G.Smith, M.Vilen

β- and γ-spectroscopy study of ¹¹⁹Pd and ¹¹⁹Ag

RADIOACTIVITY ^119,119mPd(β^-)[from ²⁵³U(p, F), E=25 MeV]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin, γγ∓coin; deduced β-branching ratios, logft, T_1/2. ²⁵²Cf(SF); measured Eγ, Iγ, γ(θ), γγγ-coin. ¹¹⁹Pd; levels, J, π, T_1/2 for ground state and proposed 11/2^- isomer. ¹¹⁹Ag; deduced levels, J, π, multipolarities, ICC, δ, structure of rotational band. Discovered 2 separate bands in ¹¹⁹Ag possibly feeded by 2 different β-decaying states in ¹¹⁹Pd. Systematics of low-energy excitations in odd-A isotopes of Rh, Ag, In, and selected low-energy levels in odd-A nuclei of cadmium (¹⁰⁹Cd, ¹¹¹Cd, ¹¹³Cd, ¹¹⁵Cd, ¹¹⁷Cd, ¹¹⁹Cd, ¹²¹Cd, ¹²³Cd), the isotones of palladium. Isotopes of ¹¹⁹Pd were separated and purified using IGISOL technique and JYFLTRAP Penning trap. Gammas from ²⁵²Cf spontaneous fission were measured with Gammasphere array at ANL.

doi: 10.1103/PhysRevC.105.034316
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2019KU16      Phys.Rev. C 100, 034316 (2019)

J.Kurpeta, A.Plochocki, W.Urban, A.Abramuk, L.Canete, T.Eronen, A.Fijalkowska, S.Geldhof, K.Gotowicka, A.Jokinen, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, I.Pohjalainen, M.Pomorski, M.Reponen, S.Rinta-Antila, A.de Roubin, T.Rzaca-Urban, M.Vilen, J.Wisniewski

First β-decay scheme of ¹⁰⁷Nb: New insight into the low-energy levels of ¹⁰⁷Mo

RADIOACTIVITY ¹⁰⁷Nb(β^-)[from U(p, F), E=25 MeV from the K-130 cyclotron at the University of Jyvaskyla, followed by separation of fission fragments using IGISOL-4 for mass separation, and JYFLTRAP Penning trap for isobaric purification]; measured yields of Mo and Nb ions, Eγ, Iγ, γγ- and βγ-coin, γ(Kα x-ray)-coin, half-life of the decay of ¹⁰⁷Nb using a plastic scintillator for β particles and three Ge detectors for low-energy γ rays. ¹⁰⁷Mo; deduced levels, J, π, bands, K-conversion coefficients for three transitions, total conversion coefficient for one transition, multipolarities, β feedings, logft. Systematics of energies of the first and second 1/2+ levels in N=55-71, Z(even)=40-46. Comparison of the experimental γ-ray transition intensities between low-lying levels in ¹⁰⁵Mo and ¹⁰⁷Mo. Discussed the revised energy of the 420-ns isomer.

doi: 10.1103/PhysRevC.100.034316
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