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NSR database version of March 21, 2024.

Search: Author = J.Rzadkiewicz

Found 11 matches.

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2023RZ02      Phys.Rev. C 108, L031302 (2023)

J.Rzadkiewicz, K.Slabkowska, M.Polasik, L.Syrocki, J.J.Carroll, C.J.Chiara

93mMo isomer depletion via nuclear excitation by electron capture in resonant transfer into highly excited open-shell atomic states

doi: 10.1103/PhysRevC.108.L031302
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2022JA13      Phys.Rev. C 106, 044303 (2022)

L.Janiak, M.Gierlik, G.Madejowski, R.Prokopowicz, S.Wronka, J.Rzadkiewicz, J.J.Carroll, C.J.Chiara

Half-life of the 188-keV isomer of 184Re

RADIOACTIVITY 184Re(IT), (EC)[from Re(n, γ), E=thermal]; 60Co, 134Cs, 186Re(β-); measured Eγ, Iγ, T1/2 of decays of 184Re isomer and 134Cs g.s. by γ-decay curves, with reference to activities and half-lives of decays of 60Co and 186Re ground states; deduced T1/2 of 184Re isomer with improved precision by two orders of magnitude as compared to the literature value.

doi: 10.1103/PhysRevC.106.044303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2021KO01      At.Data Nucl.Data Tables 137, 101372 (2021)

K.Koziol, J.Rzadkiewicz

Theoretical level energies, radiative lifetimes and transitions in W IX

ATOMIC PHYSICS W; calculated electric dipole (E1), magnetic dipole (M1), electric quadrupole (E2), and magnetic quadrupole (M2) radiative transitions using the multiconfiguration Dirac-Hartree-Fock method with configuration interaction.

doi: 10.1016/j.adt.2020.101372
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2021RZ01      Phys.Rev.Lett. 127, 042501 (2021)

J.Rzadkiewicz, M.Polasik, K.Slabkowska, L.Syrocki, J.J.Carroll, C.J.Chiara

Novel Approach to 93mMo Isomer Depletion: Nuclear Excitation by Electron Capture in Resonant Transfer Process

RADIOACTIVITY 93Mo(IT), (EC); analyzed available data; deduced partial and total probabilities for isomer depletion.

doi: 10.1103/PhysRevLett.127.042501
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2020IT04      Phys.Rev. A 102, 052820 (2020)

Y.Ito, T.Tochio, M.Yamashita, S.Fukushima, A.M.Vlaicu, J.P.Marques, J.M.Sampaio, M.Guerra, J.P.Santos, L.Syrocki, K.Slabkowska, E.Weder, M.Polasik, J.Rzadkiewicz, P.Indelicato, Y.Menesguen, M.-C.Lepy, F.Parente

Structure of Kα1, 2- and Kβ1, 3-mission x-ray spectra for Se, Y, and Zr

ATOMIC PHYSICS Se, Y, Zr; measured X-rays; deduced spectra, parameters. Comparison with theoretical calculations.

doi: 10.1103/PhysRevA.102.052820
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2020KO01      At.Data Nucl.Data Tables 131, 101298 (2020)

K.Koziol, J.Rzadkiewicz

Natural widths, lifetimes, and fluorescence yields for the double K-shell hole states of atoms with 10 ≤ Z ≤ 30

ATOMIC PHYSICS Z=10-30; calculated natural widths, lifetimes, and fluorescence yields for the double K-shell hole states.

doi: 10.1016/j.adt.2019.101298
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2019RZ01      Phys.Rev. C 99, 044309 (2019)

J.Rzadkiewicz, M.Polasik, K.Slabkowska, L.Syrocki, E.Weder, J.J.Carroll, C.J.Chiara

Beam-based scenario for 242mAm isomer depletion via nuclear excitation by electron capture

NUCLEAR REACTIONS 242Pu(d, 2n), (d, 3n), (d, F), E=6.2-7.5 MeV/nucleon; 238U(7Li, 3n), (7Li, 4n), (7Li, 5n), (7Li, F), E=5.0-6.3 MeV/nucleon; calculated σ(E) using GEMINI++ fusion-evaporation code. 7Li, 12C, 27Al(242Am, X), E=2.5-6.0 MeV/nucleon; calculated mean equilibrium charge state, resonance strength for nuclear excitation by electron capture (NEEC) process in 242mAm isomer as function of kinetic energy of 242mAm ions for capture of an electron into various subshells. 242mAm; discussed beam-based scenario for the production and depletion of the 141 y, 5- isomer through its excitation to the 52.7-keV level by electron capture.

doi: 10.1103/PhysRevC.99.044309
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2019SL01      Acta Phys.Pol. B50, 651 (2019)

K.Slabkowska, E.Weder, L.Syrocki, M.Polasik, J.Rzadkiewicz, J.J.Carroll, C.J.Chiara

93mMo Isomer Depletion via Nuclear Excitation by Electron Capture: Energy Released for Different Atomic Subshells as Benchmarks for a Beam-based Scenario Approach

RADIOACTIVITY 93Mo(IT); calculated energy release in electron capture process into different atomic subshells; analyzed scenarios for nuclear excitation by electron capture (NEEC), isomer depletion. Multiconfiguration Dirac–Fock (MCDF) calculations implemented with the GRASP and GRASP2K packages.

doi: 10.5506/aphyspolb.50.651
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2018CH13      Nature(London) 554, 7691 (2018)

C.J.Chiara, J.J.Carroll, M.P.Carpenter, J.P.Greene, D.J.Hartley, R.V.F.Janssens, G.J.Lane, J.C.Marsh, D.A.Matters, M.Polasik, J.Rzadkiewicz, D.Seweryniak, S.Zhu, S.Bottoni, A.B.Hayes, S.A.Karamian

Isomer depletion as experimental evidence of nuclear excitation by electron capture

NUCLEAR REACTIONS 7Li(90Zr, 3np), E=840 MeV; measured Eγ, Iγ, γγγ-coin using Gammasphere array at ATLAS-ANL. 93Mo; deduced levels, first experimental evidence of process of nuclear excitation by electron capture (NEEC) through the isomer depletion of 2425-keV isomer and excitation of the 2430-keV intermediate level from the 2425-keV isomer, and observation of 2475-268-685-1478 γ cascade in coincidence.

NUCLEAR REACTIONS 90Zr(7Li, 3np), E(cm)=same as above for reverse kinematic reaction; measured Eγ, Iγ, γγ-coin at Australian National Laboratory. 93Mo; deduced levels, non-observation of 2475- and 268-keV γ rays in γγ coincidences in the normal kinematics reaction consistent with NEEC interpretation in the inverse kinematic reaction study at Argonne.

doi: 10.1038/nature25483
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017PO03      Phys.Rev. C 95, 034312 (2017)

M.Polasik, K.Slabkowska, J.J.Carroll, C.J.Chiara, L.Syrocki, E.Weder, J.Rzadkiewicz

Resonance conditions for 93mMo isomer depletion via nuclear excitation by electron capture in a beam-based scenario

NUCLEAR REACTIONS 4He(91Zr, xn)94Mo/93Mo/93mMo/92Mo, E<10 MeV/nucleon; calculated σ(E) using PACE4 code.

NUCLEAR STRUCTURE 93mMo; analyzed scenarios for nuclear excitation by electron capture (NEEC), NEEC resonance window width, isomer depletion. Discussed role of complex atomic processes for resonance conditions to be satisfied in an experimental observation of the NEEC process.

doi: 10.1103/PhysRevC.95.034312
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2006GO30      Eur.Phys.J. A 27, Supplement 1, 181 (2006)

A.Gojska, D.Chmielewska, P.Rymuza, J.Rzadkiewicz, Z.Sujkowski, T.Adachi, H.Fujita, Y.Fujita, Y.Shimbara, K.Hara, Y.Shimizu, H.P.Yoshida, Y.Haruyama, J.Kamiya, H.Ogawa, M.Saito, M.Tanaka

Radiative and non-radiative electron capture from carbon atoms by relativistic helium ions

ATOMIC PHYSICS C(3He, 3He), E=150 MeV/nucleon; measured ionization yields following radiative and non-radiative electron capture.

doi: 10.1140/epja/i2006-08-027-4
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