NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = L.Janiak Found 16 matches. 2023XU06 Phys.Rev.Lett. 131, 022501 (2023) Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Z.Podolyak, P.Sarriguren, M.Singh, C.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan 133In: A Rosetta Stone for Decays of r-Process Nuclei RADIOACTIVITY 133In(IT), (β-), (β-n); measured decay products, En, In, Eβ, Iβ, Eγ, Iγ; deduced excitation energy and decay strength, partial T1/2. Comparison with large-scale shell model (LSSM) calculations. The ISOLDE Decay Station (IDS), The Isotope Separator On-Line (ISOLDE) facility at CERN.
doi: 10.1103/PhysRevLett.131.022501
2023XU08 Phys.Rev. C 108, 014314 (2023) Z.Y.Xu, M.Madurga, R.Grzywacz, T.T.King, A.Algora, A.N.Andreyev, J.Benito, T.Berry, M.J.G.Borge, C.Costache, H.De Witte, A.Fijalkowska, L.M.Fraile, H.O.U.Fynbo, A.Gottardo, C.Halverson, L.J.Harkness-Brennan, J.Heideman, M.Huyse, A.Illana, L.Janiak, D.S.Judson, A.Korgul, T.Kurtukian-Nieto, I.Lazarus, R.Lica, R.Lozeva, N.Marginean, R.Marginean, C.Mazzocchi, C.Mihai, R.E.Mihai, A.I.Morales, R.D.Page, J.Pakarinen, M.Piersa-Silkowska, Zs.Podolyak, P.Sarriguren, M.Singh, Ch.Sotty, M.Stepaniuk, O.Tengblad, A.Turturica, P.Van Duppen, V.Vedia, S.Vinals, N.Warr, R.Yokoyama, C.X.Yuan β-delayed neutron spectroscopy of 133In RADIOACTIVITY 133,133mIn(β-)(β-n); decay products, neutron time-of-flight, En, In, Eβ, Iβ, Eγ, Iγ, βγ-coin, nβ-coin; deduced feeding intensities, neutron-emission probabilities, logft, β-decay strength distribution, Gamow-Teller transition. 133Sn; deduced levels, J, π, configurations. Comparison of 133Sn and 131Sn level schemes. The ISOLDE Decay Station (IDS) at The Isotope Separator On-Line (ISOLDE) facility at CERN.
doi: 10.1103/PhysRevC.108.014314
2022CI04 Phys.Rev. C 106, 014317 (2022) A.A.Ciemny, C.Mazzocchi, W.Dominik, A.Fijalkowska, J.Hooker, C.Hunt, H.Jayatissa, L.Janiak, G.Kaminski, E.Koshchiy, M.Pfutzner, M.Pomorski, B.Roeder, G.V.Rogachev, A.Saastamoinen, S.Sharma, N.Sokolowska, W.Satula, J.Singh β-delayed charged-particle decay of 22, 23Si RADIOACTIVITY 22,23Si(β+), (β+p), (β+2p); 23Si(β+3p), (β+α)[22,23Si activities from Ni(28Si, X), E=45 MeV/nucleon at the Texas A and M University K500 superconducting cyclotron, followed by separation of fragments using momentum achromat recoil separator (MARS)]; measured reaction fragments, particle spectra, E(p), I(p) using optical-readout time-projection chamber (OTPC). 23Al, 22Mg, 21Na; deduced levels, J, π. 22Si, 23Si; deduced T1/2 of ground states, and absolute branching ratios for the observed decay modes; calculated Gamow-Teller matrix elements using angular-momentum-projected (AMP) method with DFT-NCCI module. 23Al; calculated levels, J, π using multireference density-functional-rooted (DFT) calculations, and compared with shell-model calculations in literature. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.106.014317
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
2021KU30 Phys.Rev. C 104, 064610 (2021) A.Kubiela, H.Suzuki, O.B.Tarasov, M.Pfutzner, D.-S.Ahn, H.Baba, A.Bezbakh, A.A.Ciemny, W.Dominik, N.Fukuda, A.Giska, R.Grzywacz, Y.Ichikawa, Z.Janas, L.Janiak, G.Kaminski, K.Kawata, T.Kubo, M.Madurga, C.Mazzocchi, H.Nishibata, M.Pomorski, Y.Shimizu, N.Sokolowska, D.Suzuki, P.Szymkiewicz, A.Swiercz, M.Tajima, A.Takamine, H.Takeda, Y.Takeuchi, C.R.Thornsberry, H.Ueno, H.Yamazaki, R.Yokoyama, K.Yoshida Production of the most neutron-deficient Zn isotopes by projectile fragmentation of 78Kr NUCLEAR REACTIONS 9Be(78Kr, X)54Zn/55Zn/56Zn, E=345 MeV/nucleon; measured reaction products, production σ using BigRIPS separator at the RIBF-RIKEN facility. Comparison of measured σ for Zn isotopes in this work, and for germanium, selenium, and krypton isotopes in other studies with predictions of the EPAX3 parametrization, LISE++ abrasion-ablation model using the HFB22 mass model and the AME2020 mass tables. Relevance to production of nuclei decaying by 2p radioactivity such as 54Zn.
doi: 10.1103/PhysRevC.104.064610
2021SA33 Phys.Rev. C 104, 024322 (2021) J.Samorajczyk-Pysk, Ch.Droste, L.Prochniak, J.Srebrny, S.G.Rohozinski, J.Andrzejewski, S.Dutt, A.Gawlik, K.Hadynska-Klek, L.Janiak, M.Klintefjord, M.Kowalczyk, J.Kowalska, R.Kumar, T.Marchlewski, P.J.Napiorkowski, J.Perkowski, W.Pikatek, M.Piersa-Silkowska, T.Roginski, M.Saxena, A.Stolarz, A.Tucholski Low-spin levels in 140Sm: Five 0+ states and the question of softness against nonaxial deformation RADIOACTIVITY 140Eu(EC), (β+)[from decay of 140Gd produced in 104Pd(40Ar, X), E=210 MeV from the U-200P cyclotron of University of Warsaw]; measured Eγ, Iγ, γγ-coin, γγ(θ) using EAGLE array of 12 Compton-suppressed HPGe detectors. 140Sm; deduced levels, J, π, multipolarities, B(E2) ratios. Comparison with full five-dimensional microscopic General Bohr Hamiltonian (GBH) and phenomenological gamma-soft Warsaw model calculations. NUCLEAR STRUCTURE 140Sm; calculated potential energy surface (PES) in (β, γ) plane using the SLy4 Skyrme interaction and seniority-type pairing, levels, J, π, probability distributions for the five lowest 0+ states in the phenomenological and microscopic models, quadrupole invariants using full five-dimensional microscopic General Bohr Hamiltonian (GBH) and phenomenological gamma-soft Warsaw model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.104.024322
2018CW01 Acta Phys.Pol. B49, 509 (2018) M.Cwiok, M.Bieda, J.S.Bihalowicz, W.Dominik, Z.Janas, L.Janiak, J.Manczak, T.Matulewicz, C.Mazzocchi, M.Pfutzner, P.Podlaski, S.Sharma, M.Zaremba, D.Balabanski, A.Bey, D.G.Ghita, O.Tesileanu, M.Gai A TPC Detector for Studying Photo-nuclear Reactions at Astrophysical Energies with Gamma-ray Beams at ELI-NP
doi: 10.5506/aphyspolb.49.509
2017JA05 Phys.Rev. C 95, 034315 (2017) L.Janiak, N.Sokolowska, A.A.Bezbakh, A.A.Ciemny, H.Czyrkowski, R.Dabrowski, W.Dominik, A.S.Fomichev, M.S.Golovkov, A.V.Gorshkov, Z.Janas, G.Kaminski, A.G.Knyazev, S.A.Krupko, M.Kuich, C.Mazzocchi, M.Mentel, M.Pfutzner, P.Plucinski, M.Pomorski, R.S.Slepniev, B.Zalewski β-delayed proton emission from 26P and 27S RADIOACTIVITY 26P, 27S(β+p), (β+2p)[from 9Be(32S, X), E=51.3 MeV/nucleon using ACCULINNA fragment separator at FLNR-Dubna facility]; measured E(p), I(p), (implants)(proton), β+p and β+2p events using gaseous optical time projection chamber (OTPC) detector, half-lives; deduced branching ratios for β+p and β+2p decay modes. 27P; deduced levels, J, π. Comparison of decay branching ratios and half-lives with previous experimental values. Discussed γ-to-proton emission probability ratio Γγ/Γp relevant to 26Si(p, γ)27P reaction rate.
doi: 10.1103/PhysRevC.95.034315
2017PE03 Phys.Rev. C 95, 014305 (2017) J.Perkowski, J.Andrzejewski, Ch.Droste, L.Janiak, E.Grodner, S.G.Rohozinski, L.Prochniak, J.Srebrny, J.Samorajczyk-Pysk, T.Abraham, K.Hadynska-Klek, M.Kisielinski, M.Komorowska, M.Kowalczyk, J.Kownacki, T.Marchlewski, J.Mierzejewski, P.Napiorkowski, A.Stolarz, A.Korman, M.Zielinska Decay of the Iπisomeric state in 134Nd and 184Pt studied by electron and gamma spectroscopy RADIOACTIVITY 134Nd, 184Pt(IT)[from 122Te(16O, 4n), E=90 MeV and 175Lu(14N, 5n)184Pt, E=90 MeV at the Heavy Ion Laboratory of University of Warsaw]; measured Eγ, Iγ, ce, γγ- and γ(ce)-coin, isomer half-lives using EAGLE array for γ detection and conversion-electron spectrometers; deduced levels, J, π, K-isomers, K- and L-conversion coefficients, multipolarities, mixing ratios, B(E1), B(E2), B(E3), hindrance factors for γ transitions, alignments. Comparison with VMI plus two band mixing and the Davydov-Filippov model. NUCLEAR STRUCTURE 134Nd, 184Pt; calculated mean-field collective potential energy surfaces in (β, γ) plane, Kπ=8- isomeric state; analyzed weakening of the K-forbiddenness by rotational K-mixing (Coriolis interaction), and triaxiality (Davydov-Fillipov model).
doi: 10.1103/PhysRevC.95.014305
2016DU07 Acta Phys.Pol. B47, 917 (2016) S.Dutt, P.J.Napiorkowski, T.Abraham, L.Janiak, M.Kisielinski, M.Komorowska, M.Kowalczyk, R.Kumar, T.Marchlewski, M.Matejska-Minda, M.Palacz, W.Piatek, L.Prochniak, I.A.Rizvi, J.Samorajczyk, M.Saxena, J.Srebrny, A.Tucholski W.Wroblewski, K.Wrzosek-Lipska, M.Zielinska Nuclear Structure Study of 104Pd by Coulomb Excitation at the Warsaw Heavy Ion Laboratory NUCLEAR REACTIONS 104Pd(32S, 32S'), E=91 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(E2) values.
doi: 10.5506/APhysPolB.47.917
2016KO12 Acta Phys.Pol. B47, 723 (2016) J.Kownacki, M.Kisielinski, A.Kordyasz, M.Kowalczyk, P.Napiorkowski, J.Srebrny, A.Stolarz, S.Lalkovski, Ch.Droste, E.Ruchowska, W.Czarnacki, A.Korman, P.Sibczynski, J.Andrzejewski, J.Perkowski, L.Janiak, J.Samorajczyk Investigation of γ-ray Emission in Heavy Ion Induced Fission During the Cyclotron Beam-on Periods NUCLEAR REACTIONS 208Pb(16O, X)94Y/95Y/95Zr/99Mo/108Rh/119In/123Sb, E=85, 90 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced energy levels, J, π, isomeric states T1/2.
doi: 10.5506/APhysPolB.47.723
2015MA24 Acta Phys.Pol. B46, 689 (2015) T.Marchlewski, R.Szenborn, J.Samorajczyk, E.Grodner, J.Srebrny, Ch.Droste, L.Prochniak, A.A.Pasternak, M.Kowalczyk, M.Kisielinski, T.Abraham, J.Andrzejewski, P.Decowski, K.Hadynska-Klek, L.Janiak, M.Komorowska, J.Mierzejewski, P.Napiorkowski, J.Perkowski, A.Stolarz Electromagnetic Properties of Chiral Bands in 124Cs NUCLEAR REACTIONS 114Cd(14N, 4n), E=73 MeV; measured reaction products, Eγ, Iγ; deduced energy levels, J, π, B(M1), B(E2), partner bands. Comparison with theoretical calculations within the Core-Particle-Hole Coupling model.
doi: 10.5506/APhysPolB.46.689
2012GR24 J.Phys.:Conf.Ser. 381, 012067 (2012) E.Grodner, A.A.Pasternak, J.Srebrny, M.Kowalczyk, J.Mierzejewski, M.Kisielinski, P.Decowski, Ch.Droste, J.Perkowski, T.Abraham, J.Andrzejewski, K.Hadynska-Klek, L.Janiak, A.Kasparek, T.Marchlewski, P.Napiorkowski, J.Samorajczyk DSA lifetime measurements of 124Cs and the time-reversal symmetry NUCLEAR REACTIONS 114Cd(14N, 4n), E=73 MeV; measured Eγ, Iγ, γγ-coin using EAGLE array with ACS Ge spectrometers; deduced levels, J, π, rotational bands, levels T1/2, yrast band B(M1), S-symmetry, chiral symmetry breaking using DSA (Doppler shift attenuation).Discussed possible time-parity violation.
doi: 10.1088/1742-6596/381/1/012067
2012JA05 Acta Phys.Pol. B43, 313 (2012) L.Janiak, J.Andrzejewski, J.Perkowski, J.Samorajczyk The Optimization of Transmission of the Internal Conversion Electron Spectrometer by Using the CST Particle Studio Code
doi: 10.5506/APhysPolB.43.313
2012PE02 Acta Phys.Pol. B43, 273 (2012) J.Perkowski, J.Andrzejewski, T.Abraham, W.Czarnacki, Ch.Droste, E.Grodner, L.Janiak, M.Kisielinski, M.Kowalczyk, J.Kownacki, J.Mierzejewski, A.Korman, J.Samorajczyk, J.Srebrny, A.Stolarz, M.Zielinska Isomeric State 8- in 130Ba Studied by Conversion-electron and Gamma-ray Spectroscopy NUCLEAR REACTIONS 122Sn(12C, 4n)130Ba, E=68 MeV; measured reaction products, Eγ, Iγ, ce, e-γ-, γγ-coin.; deduced J, π, decay of the isomeric state, internal conversion coefficients. Comparison with theoretical predictions.
doi: 10.5506/APhysPolB.43.273
2012SA06 Acta Phys.Pol. B43, 325 (2012) J.Samorajczyk, J.Andrzejewski, L.Janiak, J.Perkowski, J.Skubalski, A.Stolarz Preparation and Tests of the Target for Production of 134Nd Nuclei NUCLEAR REACTIONS 122Te(16O, X)134Nd, E=80MeV; measured reaction products, Eγ, Iγ; deduced γ-transitions below Iπ=Kπ=8- isomeric state in 134Nd.
doi: 10.5506/APhysPolB.43.325
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