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NSR database version of May 20, 2024.

Search: Author = P.Baczyk

Found 18 matches.

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2022KO18      Phys.Rev. C 105, 065505 (2022)

M.Konieczka, P.Baczyk, W.Satula

Precision calculation of isospin-symmetry-breaking corrections to T=1/2 mirror decays using configuration-interaction framework built upon multireference charge-dependent density functional theory

RADIOACTIVITY A=11, 13, 15, 17, 19, 21, 23, 25, 27, 29, 31, 33, 35, 37, 39, 41, 43, 45, 47(EC); 19Ne, 21Na, 37K(EC); calculated isospin-symmetry breaking corrections to the Fermi transitions, up-down quark-mixing element of the Cabibbo-Kobayashi-Maskawa Vud matrix element. Multireference-reference charge dependent density functional theory (MR-CDDFT). Comparison to other calculations and data extracted from systematics.

doi: 10.1103/PhysRevC.105.065505
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2021BA26      Phys.Rev. C 103, 054320 (2021)

P.Baczyk, W.Satula

Mirror energy differences in T = 1/2 f7/2-shell nuclei within isospin-dependent density functional theory

NUCLEAR STRUCTURE 43Sc, 43Ti; 45Ti, 45V; 47V, 47Cr; 49Cr, 49Mn; calculated levels, J, mirror energy differences (MEDs) using charge-dependent density functional theory (DFT) with no core configuration interaction model. Comparison with experimental data.

doi: 10.1103/PhysRevC.103.054320
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2021NY01      Phys.Rev. C 103, 034304 (2021)

B.M.Nyako, J.Timar, M.Csatlos, Zs.Dombradi, A.Krasznahorkay, I.Kuti, D.Sohler, T.G.Tornyi, M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, L.Atanasova, D.L.Balabanski, K.Sieja, A.Blanc, M.Jentschel, U.Koster, P.Mutti, T.Soldner, G.de France, G.S.Simpson, C.A.Ur

Medium-spin states of the neutron-rich nucleus 87Br

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, (γ rays from complementary fission fragments of 146,147La)γγ-coin, γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 87Br; deduced high-spin levels, J, π, bands, γ-ray branching ratios, multipolarities, mixing ratios, configurations; calculated levels, J, π, bands, proton and neutron occupations of excited states using shell-model. Comparison of 9/2+ band in 87Br with g.s. bands of 86Se and 88Kr.

doi: 10.1103/PhysRevC.103.034304
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020BA15      Acta Phys.Pol. B51, 611 (2020)

P.Baczyk, M.Konieczka, K.M.L.Martinez, S.Antic, P.A.M.Guichon, W.Satula, J.R.Stone, A.W.Thomas

On Introducing Charge-Symmetry-Breaking Terms to Nuclear Energy Density Functionals

doi: 10.5506/APhysPolB.51.611
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2019BA05      J.Phys.(London) G46, 03LT01 (2019)

P.Baczyk, W.Satula, J.Dobaczewski, M.Konieczka

Isobaric multiplet mass equation within nuclear density functional theory

NUCLEAR STRUCTURE 6,8Be; calculated mass coefficients, contributions of the electromagnetic, nuclear and isoscalar forces to coefficients.

doi: 10.1088/1361-6471/aaffe4
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2019VI05      Phys.Rev. C 100, 054333 (2019)

M.Vilen, A.Kankainen, P.Baczyk, L.Canete, J.Dobaczewski, T.Eronen, S.Geldhof, A.Jokinen, M.Konieczka, J.Kostensalo, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, W.Satula, J.Suhonen

High-precision mass measurements and production of neutron-deficient isotopes using heavy-ion beams at IGISOL

ATOMIC MASSES 82Zr, 84Nb, 86Mo, 88Tc, 88mTc, 89Ru; measured cyclotron frequencies, time-of-flight, and mass excesses using time-of-flight ion-cyclotron resonance (TOF-ICR), and phase-imaging ion-cyclotron resonance (PI-ICR) techniques at the University of Jyvaskyla accelerator laboratory; deduced S(2n), S(2p) and neutron-pairing gap energies. 82Mo, 86Ru; predicted mass excesses using the measured masses of their mirror partners and theoretical mirror displacement energies. Comparison with AME-2016 values, and with other recent measurements. 88Tc; deduced levels, J, π of the ground state and isomer, and compared with shell-model predictions.

NUCLEAR REACTIONS Ni(36Ar, X)82Zr/84Nb/86Mo/88Tc/88mTc/89Ru, E=222 MeV; measured reaction products and yields using the HIGISOL system, mass separated using a radio-frequency sextupole ion guide (SPIG), and injected into the double-Penning-trap mass spectrometer JYFLTRAP at Jyvaskyla.

doi: 10.1103/PhysRevC.100.054333
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Data from this article have been entered in the XUNDL database. For more information, click here.


2017BA09      Acta Phys.Pol. B48, 259 (2017)

P.Baczyk, J.Dobaczewski, M.Konieczka, T.Nakatsukasa, K.Sato, W.Satula

Mirror and Triplet Displacement Energies Within Nuclear DFT: Numerical Stability

doi: 10.5506/APhysPolB.48.259
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2016BA13      Acta Phys.Pol. B47, 897 (2016)

P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, M.Konieczka, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.Ur

Near-yrast Excitations in Nucleus 83As: Tracing the Deformation in the 78Ni Region

NUCLEAR REACTIONS 235U(n, F)83As, E thermal; measured reaction products, Eγ, Iγ; deduced energy levels, J, π. Comparison with Nilsson model.

doi: 10.5506/APhysPolB.47.897
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2016CZ01      Phys.Rev. C 93, 034318 (2016)

M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, J.Timar, B.M.Nyako, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur

Neutron-proton multiplets in the odd-odd nucleus9037Rb53

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ(θ), level half-lives, γγγ-coincidences between transitions from 90Rb and from complementary fission fragments 143Cs and 144Cs using EXOGAM array at ILL-Grenoble. 90Rb; deduced medium-spin levels, J, π, multipolarities and mixing ratios, configurations, seniority-3 coupling in N=53 isotones and its absence in N=51 isotones. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 88,90Rb; calculated levels, J, π using shell-model. Comparison with experimental values.

doi: 10.1103/PhysRevC.93.034318
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Data from this article have been entered in the XUNDL database. For more information, click here.


2016KO18      Phys.Rev. C 93, 042501 (2016)

M.Konieczka, P.Baczyk, W.Satula

β-decay study within multireference density functional theory and beyond

RADIOACTIVITY 6He(β-); 39Ca(β+); calculated Gamow-Teller (GT) and Fermi matrix elements (MEs), isospin-symmetry-breaking (ISB) corrections using no-core-configuration interaction (NCCI) formalism based on multireference density functional theory (MD-DFT). Comparison with shell-model predictions.

NUCLEAR STRUCTURE A=17-53; calculated binding energies, level energies of the lowest 3/2+ and 5/2+ states, Gamow-Teller matrix elements, and ISB corrections for T=1/2 odd-A mirror nuclei using no-core-configuration interaction (NCCI) formalism based on multireference density functional theory (MD-DFT). Comparison with experimental data.

doi: 10.1103/PhysRevC.93.042501
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2016SA34      Phys.Rev. C 94, 024306 (2016)

W.Satula, P.Baczyk, J.Dobaczewski, M.Konieczka

No-core configuration-interaction model for the isospin- and angular-momentum-projected states

RADIOACTIVITY 10C, 14O, 18Ne, 18F, 22Na, 22Mg, 26Si, 26Al, 30S, 30P, 34Ar, 34Cl, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb(β+), (EC); calculated isospin-symmetry-breaking (ISB) corrections and corresponding Ft values for superallowed β decays using no-core-configuration-interaction (NCCI) model.

NUCLEAR STRUCTURE 6,8Li, 38Ca, 38K, 38Ar, 42Sc, 42Ca, 62Zn, 62Ga; calculated levels, J, π, 0+ states in A=38 nuclides, HF energies, quadrupole deformations β2, triaxiality parameter γ, neutron and proton s.p. alignments. No-core-configuration-interaction (NCCI) model treating properly isospin and rotational symmetries, solution of Hill-Wheeler-Griffin equation, isospin and angular-momentum projected states. Comparison with available experimental data.

doi: 10.1103/PhysRevC.94.024306
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2015BA14      Phys.Rev. C 91, 047302 (2015)

P.Baczyk, W.Urban, D.Zlotowska, M.Czerwinski, T.Rzaca-Urban, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.Simpson, C.A.Ur

Near-yrast excitations in nucleus 83As: Tracing the πg9/2 orbital in the 78Ni region

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-, γ(x ray)-coin, γγ(θ) using EXILL array at ILL-Grenoble facility. 83As; deduced levels, J, π, multipolarity, configuration. Comparison with available shell-model calculations, and with systematics of 9/2+ and 5/2- levels in N=30-50 Cu, Ga, As, Br and Rb nuclei.

doi: 10.1103/PhysRevC.91.047302
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015CZ01      Phys.Rev. C 92, 014328 (2015)

M.Czerwinski, T.Rzaca-Urban, W.Urban, P.Baczyk, K.Sieja, B.M.Nyako, J.Timar, I.Kuti, T.G.Tornyi, L.Atanasova, A.Blanc, M.Jentschel, P.Mutti, U.Koster, T.Soldner, G.de France, G.S.Simpson, C.A.Ur

Neutron-proton multiplets in the nucleus 88Br

NUCLEAR REACTIONS 235U(n, F), E=cold neutrons; measured Eγ, Iγ, γγ-coin, γγ-coin with γ rays from complementary fission fragments 145,146La, delayed γ spectra, level half-lives by γ(t), γγ(θ) using EXILL array of Ge detectors at the PF1B facility of ILL-Grenoble. 95,97Sr; measured level half-lives of isomers by γγ(t). 145,146La; measured Eγ, γγ-coin. 88Br; deduced levels, J, π, multipolarity, mixing ratio, configurations, single-particle estimates of partial half-lives for decay branches of the 1787.3-keV level, proton-neutron multiplets. Comparison with detailed shell-model calculations, and with levels in 86Br.

doi: 10.1103/PhysRevC.92.014328
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015KO05      Phys.Rev. C 91, 027303 (2015)

A.Korgul, P.Baczyk, W.Urban, T.Rzaca-Urban, A.G.Smith, I.Ahmad

Investigation of the i13/2 neutron orbital in the 132Sn region: New excited levels in 135Sb

RADIOACTIVITY 248Cm(SF); measured Eγ, Iγ, γγ-coin, γγ(θ) using EUROGAM2 detector array. 135Sb; deduced high-spin levels, J, π, multipolarity, configuration. 132Sn; deduced energy of the i13/2 neutron single-particle orbital. Comparison with shell-model calculations using OXBASH code. Systematics of 3- states in N=82 and 13/2+ states in N=83, Sn, Te, Xe, Ba, Ce, Nd and Sm nuclei.

doi: 10.1103/PhysRevC.91.027303
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Data from this article have been entered in the XUNDL database. For more information, click here.


2015MA25      Acta Phys.Pol. B46, 713 (2015)

C.Mazzocchi, A.Korgul, K.P.Rykaczewski, R.Grzywacz, P.Baczyk, C.R.Bingham, N.T.Brewer, C.J.Gross, C.Jost, M.Karny, M.Madurga, A.J.Mendez II, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, D.W.Stracener, M.Wolinska-Cichocka

Beta Decay of the Most Neutron-rich Isotopes Close to 78Ni

RADIOACTIVITY 86As(β-) [from U(p, X), E=54 MeV]; measured decay products, Eγ, Iγ; deduced partial level scheme, γ-ray energies, J, π.

doi: 10.5506/APhysPolB.46.713
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2015MA61      Phys.Rev. C 92, 054317 (2015)

C.Mazzocchi, K.P.Rykaczewski, R.Grzywacz, P.Baczyk, C.R.Bingham, N.T.Brewer, C.J.Gross, C.Jost, M.Karny, A.Korgul, M.Madurga, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, A.A.Sonzogni, D.W.Stracener, M.Wolinska-Cichocka

β-decay properties of the very neutron-rich isotopes 86Ge and 86As

RADIOACTIVITY 86Ge, 86As(β-), (β-n)[from 238U(p, F), E=54 MeV at HIRBF-ORNL]; measured Eγ, Iγ, Eβ, βγ-, βγγ-, γγ-coin. 85,86As, 85,86Se; deduced levels, J, π, β feedings, logft, B(GT), configurations. Comparison of level structures of 86As and 86Se, and B(GT) with advanced shell model calculations. Discussed fission yield for 86Ge in different evaluated libraries.

doi: 10.1103/PhysRevC.92.054317
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Data from this article have been entered in the XUNDL database. For more information, click here.


2013MA22      Phys.Rev. C 87, 034315 (2013); Erratum Phys.Rev. C 87, 039902 (2013)

C.Mazzocchi, K.P.Rykaczewski, A.Korgul, R.Grzywacz, P.Baczyk, C.Bingham, N.T.Brewer, C.J.Gross, C.Jost, M.Karny, M.Madurga, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, D.W.Stracener, M.Wolinska-Cichocka, I.N.Borzov

New half-life measurements of the most neutron-rich arsenic and germanium isotopes

RADIOACTIVITY 84,85,86Ge, 84,85,86,87As(β-)[from 238U(p, F)]; measured Eγ, Iγ, β, βγ-coin, half-lives using LeRIBSS at HRIBF, ORNL facility. Comparison of half-lives with previous experimental results, and with theoretical predictions from gross theory of β decay, finite-range droplet model, and energy density functional DF3a with continuum quasiparticle random-phase approximation (CQRPA).

doi: 10.1103/PhysRevC.87.034315
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Data from this article have been entered in the XUNDL database. For more information, click here.


2012MA04      Acta Phys.Pol. B43, 279 (2012)

C.Mazzocchi, Z.Janas, P.Baczyk, H.O.U.Fynbo, U.Koster

Precision Half-life Measurement of 7Be Implanted in Different Materials

RADIOACTIVITY 7Be(EC) [from U, C(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced precise T1/2 values for different materials. Comparison with theoretical calculations.

doi: 10.5506/APhysPolB.43.279
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