NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = K.Miernik Found 90 matches. 2023GJ01 Phys.Rev. C 108, 064602 (2023) D.Gjestvang, J.N.Wilson, A.Al-Adili, S.Siem, Z.Gao, J.Randrup, D.Thisse, M.Lebois, N.Jovancevic, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, E.Adamska, P.Adsley, A.Algora, C.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, S.Ziliani Examination of how properties of a fissioning system impact isomeric yield ratios of the fragments
doi: 10.1103/PhysRevC.108.064602
2023MI18 Phys.Rev. C 108, 054608 (2023) K.Miernik, A.Korgul, W.Poklepa, J.N.Wilson, G.Charles, S.Czajkowski, P.Czyz, A.Fijalkowska, L.M.Fraile, P.Garczynski, K.Hauschild, C.Hiver, T.Kurtukian-Nieto, M.Lebois, M.Llanos, A.Lopez-Martens, K.M.Deby Treasa, J.Ljungvall, I.Matea, J.Mielczarek, J.R.Murias, G.Pasqualato, A.Skruch, K.Solak, K.Stoyachev, I.Tsekhanovich Fission of 215Fr studied with γ spectroscopic methods
doi: 10.1103/PhysRevC.108.054608
2023TH05 Eur.Phys.J. A 59, 153 (2023) D.Thisse, M.Lebois, D.Verney, J.N.Wilson, N.Jovancevic, M.Rudigier, R.Canavan, D.Etasse, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, R.-B.Gerst, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, J.Hommet, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, W.Poklepa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Soderstrom, K.Solak, C.Surder, G.Tocabens, V.Vedia, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Study of N = 50 gap evolution around Z = 32: new structure information for 82Ge NUCLEAR REACTIONS 232Th(n, F)84Se/82Ge, E fast; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, J, π, partial level scheme. Comparison with available data. LICORNE directional neutron source at the ALTO facility of IJCLab.
doi: 10.1140/epja/s10050-023-01051-2
2023WO01 Phys.Rev. C 107, 034303 (2023) M.Wolinska-Cichocka, B.C.Rasco, K.P.Rykaczewski, N.T.Brewer, A.Fijalkowska, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, S.Go, B.Heffron, J.Johnson, T.T.King, J.T.Matta, K.Miernik, M.Madurga, E.A.McCutchan, D.Miller, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, S.Taylor, A.A.Sonzogni, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Complete β-decay patterns of 142Cs, 142Ba, and 142La determined using total absorption spectroscopy RADIOACTIVITY 142La, 142Ba, 142Cs(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ, γβ-coin, total absorption spectra; deduced T1/2, average gamma energy per decay, β-feeding intensities, decay patterns, σ for the detection of reactor antineutrinos. 142Cs(β-n); deduced β-delayed neutron branching ratio. Comparison with other experimental values and ENSDF evaluation. Modular Total Absorption Spectrometer (MTAS) array of 19 NaI(Tl) coupled with auxiliary Si-strip detectors at the mass separator and Tandem accelerator at Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.107.034303
2023YO04 Phys.Rev. C 108, 064307 (2023) R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa-Silkowska, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu β-delayed neutron emissions from N>50 gallium isotopes
doi: 10.1103/PhysRevC.108.064307
2022KI23 Astrophys.J. 936, 107 (2022) G.G.Kiss, A.Vitez-Sveiczer, Y.Saito, A.Tarifeno-Saldivia, M.Pallas, J.L.Tain, I.Dillmann, J.Agramunt, A.Algora, C.Domingo-Pardo, A.Estrade, C.Appleton, J.M.Allmond, P.Aguilera, H.Baba, N.T.Brewer, C.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, N.Fukuda, Z.Ge, S.Go, C.J.Griffin, R.K.Grzywacz, O.Hall, A.Horvath, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, T.T.King, A.Korgul, S.Kovacs, R.Krucken, S.Kubono, M.Labiche, J.Liu, J.Liang, M.Madurga, K.Miernik, F.Molina, A.I.Morales, M.R.Mumpower, E.Nacher, A.Navarro, N.Nepal, S.Nishimura, M.Piersa-Silkowska, V.Phong, B.C.Rasco, B.Rubio, K.P.Rykaczewski, J.Romero-Barrientos, H.Sakurai, L.Sexton, Y.Shimizu, M.Singh, T.Sprouse, T.Sumikama, R.Surman, H.Suzuki, T.N.Szegedi, H.Takeda, A.Tolosa, K.Wang, M.Wolinska-Cichocka, P.Woods, R.Yokoyama, Z.Xu Measuring the β-decay Properties of Neutron-rich Exotic Pm, Sm, Eu, and Gd Isotopes to Constrain the Nucleosynthesis Yields in the Rare-earth Region NUCLEAR REACTIONS 9Be(238U, X), E=345 MeV/nucleon; measured reaction products, TOF, Eβ, Iβ. 159,160,161,162,163,164,165,166Pm, 161,162,163,164,165,166,167,168Sm, 165,166,167,168,169,170Eu, 167,168,169,170,171,172Gd; deduced new isotopes T1/2 and β-delayed neutron emission probabilities, relative r-process abundance pattern for the neutron-star merger scenario. RIKEN Nishina Center, the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.
doi: 10.3847/1538-4357/ac80fc
2022PH01 Phys.Rev.Lett. 129, 172701 (2022) V.H.Phong, S.Nishimura, G.Lorusso, T.Davinson, A.Estrade, O.Hall, T.Kawano, J.Liu, F.Montes, N.Nishimura, R.Grzywacz, K.P.Rykaczewski, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, M.Piersa-Silkowska, V.F.E.Pucknell, B.C.Rasco, B.Rubio, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado β-Delayed One and Two Neutron Emission Probabilities Southeast of 132Sn and the Odd-Even Systematics in r-Process Nuclide Abundances NUCLEAR REACTIONS 9Be(238U, F)121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/126Ag/127Ag/128Ag/129Ag/130Ag/131Ag/129Cd/130Cd/131Cd/132Cd/133Cd/134Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Sb, E=345 MeV/nucleon; measured fission fragments using BigRIPS and ZeroDegree spectrometers at RIBF-RIKEN facility for separation of fragments by A/Q and Z through measurements of time-of-flight (TOF), magnetic rigidity (Bρ) and energy loss (ΔE); deduced A/Q versus Z particle identification plots. RADIOACTIVITY 129,130,131Ag, 130,131,132,133Cd, 134Cd, 131,132,133,134,135,136In, 134,135,136,137,138,139Sn(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon]; measured implanted ions, neutrons, β, γ, (implants)β-, (implants)β(1n)- and (implants)β(2n)-correlations, T1/2 of decays of ground states using BRIKEN neutron counter with 140 3He-filled proportional counters, AIDA array of DSSSDs for implants and β decays, two Clover HPGe detectors for γ radiation, and two thick plastic scintillators; deduced T1/2, %β-n or Pn, %β-2n or P2n from simultaneous fits of β-, β-1n and β-2n-decay curves. Comparison with previous experimental results, and with theoretical predictions from quasiparticle random-phase approximation (QRPA), based on finite range droplet model (FRDM) and the relativistic Hartree-Bogoliubov (RHB) plus proton-neutron QRPA (pnQRPA).
doi: 10.1103/PhysRevLett.129.172701
2022RA11 Phys.Rev. C 105, 064301 (2022) B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, M.P.Cooper, K.C.Goetz, J.W.Johnson, T.King, A.Laminack, J.T.Matta, K.Miernik, M.Madurga, D.Miller, M.M.Rajabali, T.Ruland, P.Shuai, M.Stepaniuk, J.Winger Deciphering 98Nb β decay with the Modular Total Absorption Spectrometer at ORNL RADIOACTIVITY 98Nb(β-)[from decay chains of 98Rb and 98Sr produced in 238U(p, F) at HRIBF-ORNL facility]; measured Eγ, Iγ, total absorption γ-ray spectrum using NaI(Tl)-based Modular Total Absorption Spectrometer (MTAS); deduced average γ energy per β decay, and average ν-bar; discussed impact of measured β-feeding pattern on reactor decay heat calculations and predicted detection rates of reactor ν-bar. 98Zr; measured T1/2 with 98Zr and 98Nb in equilibrium, and compared with value in the ENSDF database. 98Mo; deduced levels, β feedings to the g.s. and excited states, logft, conversion electron per β decay from the E0 transition from the first excited 0+ state in 98Mo. Comparison with β feedings and average γ energy in the ENSDF and ENDF/B-VIII.0 databases, and with previous experimental results. Relevance to the study of β- decays of abundantly produced fission products in nuclear reactors.
doi: 10.1103/PhysRevC.105.064301
2022SH20 Phys.Rev. C 105, 054312 (2022) P.Shuai, B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, M.Cooper, K.C.Goetz, J.W.Johnson, C.U.Jost, T.T.King, J.T.Matta, J.H.Hamilton, A.Laminack, K.Miernik, M.Madurga, D.Miller, C.D.Nesaraja, S.Padgett, S.V.Paulauskas, M.M.Rajabali, T.Ruland, M.Stepaniuk, E.H.Wang, J.A.Winger Determination of β-decay feeding patterns of 88Rb and 88Kr using the Modular Total Absorption Spectrometer at ORNL HRIBF RADIOACTIVITY 88Rb(β-), 88Kr(β-)[from 238U(p, F), E=40 MeV]; measured Eγ, Iγ, Eβ, Iβ; deduced β-intensities, ground state feedings in β-decay. 88Rb; deduced T1/2. Pandemonium effect free measurements. Comparison to other experimental data. Modular Total Absorption Spectrometer (MTAS) NaI(Tl) detector array at Holifield Radioactive Ion Beam Facility (HRIBF) at the Oak Ridge National Laboratory.
doi: 10.1103/PhysRevC.105.054312
2021BA34 Phys.Rev. C 104, 024308 (2021) J.C.Batchelder, C.Apgar, N.T.Brewer, C.J.Gross, R.K.Grzywacz, S.Ilyushkin, M.Madurga, K.Miernik, S.W.Padgett, S.V.Paulauskas, W.A.Peters, B.C.Rasco, K.P.Rykaczewski, D.W.Stracener, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar, D.W.Bardayan, M.E.Howard, B.Manning, M.Matos, A.J.Mendez, D.Miller, A.Ratkiewicz, E.H.Wang Levels in 125Cd populated by the β decay of 125mAg and 125Ag RADIOACTIVITY 125,125mAg(β-), (β-n)[from 238U(p, F), E=50 MeV from the ORIC cyclotron at the HRIBF-ORNL facility, followed by mass separation of fission fragments by a high resolution magnet]; 124Cd(β-)[from 125Cd β-n decay]; measured Eγ, Iγ, βγ- and γγ-coin, half-lives of decays of the g.s. and isomer of 125Ag, %β-n or Pn using two HPGe clover detectors for γ rays, two plastic scintillators for β particles, and 48 plastic scintillators for the detection of neutrons. 125Cd, 124In; deduced levels, J, π, multipolarity, β feedings, logft. Comparison with previously reported results.
doi: 10.1103/PhysRevC.104.024308
2021HA13 Phys.Rev. C 103, 034317 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, J.Jolie, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, J.Ljungvall, A.Lopez-Martens, I.Matea, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani Spectroscopy and lifetime measurements in 134, 136, 138Te isotopes and implications for the nuclear structure beyond N = 82 NUCLEAR REACTIONS 238U(n, F)134Te/136Te/138Te, E AP 1.7 MeV; measured Eγ, Iγ, γγ-coin, half-lives of first 2+, 4+ and 6+ states in 134,136,138Te and (12+) isomer in 134Te by γγ(t) fast timing technique using HPGe and LaBr3(Ce) detectors at the ALTO facility of IJCLab with the LICORNE neutron source and the hybrid ν-ball spectrometer. 134,136,138Te; deduced levels, J, π, B(E2), mixed symmetry state, configurations. Comparison with previous measurements, and with state-of-the-art shell-model calculations. NUCLEAR STRUCTURE 134,136,138Te; calculated levels, J, π for 136,138Te, decomposition of the wave functions for several yrast states in all three nuclides. Large-scale shell-model calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.103.034317
2021HA19 Phys.Lett. B 816, 136266 (2021) O.Hall, T.Davinson, A.Estrade, J.Liu, G.Lorusso, F.Montes, S.Nishimura, V.H.Phong, P.J.Woods, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Fijalkowska, N.Fukuda, S.Go, C.J.Griffin, R.Grzywacz, J.Ha, L.J.Harkness-Brennan, T.Isobe, D.Kahl, L.H.Khiem, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, Z.Liu, K.Matsui, K.Miernik, B.Moon, A.I.Morales, P.Morrall, M.R.Mumpower, N.Nepal, R.D.Page, M.Piersa, V.F.E.Pucknell, B.C.Rasco, B.Rubio, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stracener, T.Sumikama, H.Suzuki, J.L.Tain, H.Takeda, A.Tarifeno-Saldivia, A.Tolosa-Delgado, M.Wolinska-Cichocka, R.Yokoyama β-delayed neutron emission of r-process nuclei at the N = 82 shell closure RADIOACTIVITY 115,116Tc, 116,117,118,119,120,121Ru, 118,119,120,121,122,123,124Rh, 121,122,123,124,125,126,127,128Pd, 124,125,126,127,128,129Ag, 127,128,129,130Cd(β-n) [from 9Be(238U, X), E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, En, In; deduced β-delayed neutron emission probabilities, T1/2. RIKEN using the Advanced Implantation Detector Array (AIDA) and the BRIKEN neutron detector array.
doi: 10.1016/j.physletb.2021.136266
2021HA28 Phys.Rev. C 104, 014316 (2021) G.Hafner, R.Lozeva, H.Naidja, M.Lebois, N.Jovancevic, D.Thisse, D.Etasse, R.L.Canavan, M.Rudigier, J.N.Wilson, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.M.Collins, M.L.Cortes, P.J.Davies, C.Delafosse, M.Fallot, L.M.Fraile, R.-B.Gerst, D.Gjestvang, V.Guadilla, K.Hauschild, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, S.Jazwari, A.Korgul, P.Koseoglou, Th.Kroll, T.Kurtukian-Nieto, L.Le-meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, L.Matthieu, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa-Silkowska, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.S.Yavahchova, F.Zeiser, S.Ziliani First lifetime investigations of N ≥ 82 iodine isotopes: The quest for collectivity NUCLEAR REACTIONS 238U(n, F)135I/137I/139I, E ∼ 1.7 MeV from LICORNE neutron source at the ALTO facility of IJCLab; measured Eγ, Iγ, γγ-coin, level T1/2 by γγ(t) using ν-ball spectrometer of HPGe and LaBr3(Ce) detectors. 135,137,139I; deduced high-spin levels, J, π, B(E2), B(M1), B(E3), configurations; calculated occupations for the most prominent proton or neutron-proton configurations. Comparison with previous experimental data, and with large scale shell-model (LSSM) calculations using N3LOP (SM-I) and Kuo-Herling (SM-II) effective interactions. Systematics of B(E2) for yrast states of 134,136,138Te and 135,137,139I.
doi: 10.1103/PhysRevC.104.014316
2021WA04 Phys.Rev. C 103, 014317 (2021) E.H.Wang, J.M.Eldridge, N.T.Brewer, J.H.Hamilton, J.C.Batchelder, Y.X.Liu, Y.Sun, C.Brown, C.J.Zachary, B.M.Musangu, A.V.Ramayya, K.P.Rykaczewski, C.J.Gross, R.Grzywacz, M.Madurga, D.Miller, D.W.Stracener, C.Jost, E.F.Zganjar, J.A.Winger, M.Karny, S.V.Paulauskas, S.H.Liu, M.Wolinska-Cichocka, S.W.Padgett, A.J.Mendez, K.Miernik, A.Fijalkowska, S.V.Ilyushkin Long-lived isomeric states and quasiparticle band structures in neutron-rich 162, 164Gd nuclei from β decay RADIOACTIVITY 162,164Eu(β-)[from 238U(p, F), E=50 MeV at the at the HRIB facility of ORNL]; measured Eγ, Iγ, γγ- and βγ-coin, half-lives of 162Eu g.s. and isomer and 164Eu g.s. decays, half-lives of isomers in 162,164Gd by γ(t). 162,164Eu; deduced J, π for the ground states, and the isomer in 162Eu. 162,164Gd; deduced levels, J, π, isomers, total conversion coefficients, β feedings and logft for 164Eu to 164Gd decay, configurations, β and γ rotational bands. Comparison with projected shell model calculations, and with systematics of K isomer hindrance factors in neighboring nuclei.
doi: 10.1103/PhysRevC.103.014317
2021WI12 Nature(London) 590, 566 (2021) J.N.Wilson, D.Thisse, M.Lebois, N.Jovancevic, D.Gjestvang, R.Canavan, M.Rudigier, D.Etasse, R.-B.Gerst, L.Gaudefroy, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Blazhev, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.Fraile, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, K.Rezynkina, V.Sanchez-Tembleque, S.Siem, C.Schmitt, P.-A.Suderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, J.Wiederhold, M.Yavahchova, F.Zeiser, S.Ziliani Angular momentum generation in nuclear fission NUCLEAR REACTIONS 232Th(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82,84Ge, 84,86,88Se, 88,90,92,94Kr, 92,94,96,98Sr, 98,100Zr, 130,132Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 233Th. NUCLEAR REACTIONS 238U(n, F), E ∼ 1.9 MeV; measured reaction products, Eγ, Iγ. 82Ge, 84,86,88Se, 88,90,92,94Kr, 94,96,98Sr, 98,100,102,104Zr, 102,104Mo, 130,132,134Sn, 132,134,136,138Te, 138,140,142Xe, 142,144,146,148Ba, 148,150Ce; deduced average J, 0+ side-feeding, fission yields, the intensity ratio of the transition from the first excited state to the ground state, and the transition(s) feeding the first excited state, dependence of average spin on fragment mass. Comparison with statistical theory, 239U. RADIOACTIVITY 252Cf(SF); measured decay products, Eγ, Iγ, TOF. 94,96,98Sr, 98,100,102,104Zr, 102,104,106,108Mo, 108,110,112Ru, 112,114,116Pd, 130,132Sn, 134,136Te, 138,140,142Xe, 142,144,146Ba, 148,150Ce, 152,154Nd; deduced average J, 0+ side-feeding, fission yields, dependence of average spin on fragment mass. Comparison with statistical theory.
doi: 10.1038/s41586-021-03304-w
2020AD05 Acta Phys.Pol. B51, 843 (2020) E.Adamska, A.Korgul, A.Fijalkowska, K.Miernik, M.Piersa, R.Canavan, D.Etasse, N.Jovancevic, M.Lebois, M.Rudigier, D.Thisse, J.N.Wilson, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, A.Blazhev, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, M.Ciemala, S.Collins, L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, R.-B.Gerst, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Koseoglou, T.Kroll, T.Kurtukian Nieto, L.Le-Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, J.Nemer, S.Oberstedt, W.Paulsen, Y.Popovitch, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, N.Warr, B.Wasilewska, M.Yavahchova, F.Zeiser γ-ray Spectroscopy of 85Se Produced in 232Th Fission
doi: 10.5506/APhysPolB.51.843
2020CI04 Phys.Rev. C 101, 034305 (2020) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, T.Roginski, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao, H.Schatz, P.Sarriguren First identification of 58Zn β-delayed proton emission RADIOACTIVITY 57,58Zn(β+), (β+p)[from 9Be(78Kr, X), followed by separation of fragments using A1900 separator]; measured reaction products, Ep, Ip, β-delayed proton branching ratio, half-life of 57Zn decay using the Warsaw Optical Time Projection Chamber (OTPC) with energy loss and time-of-flight method for particle identification at the NSCL-MSU facility. 58Cu; deduced levels, J, π, β+p branching ratios, B(GT) for 1+ states. Comparison with experimental B(GT) values from 58Ni(3He, t)58Cu reaction, and with QRPA calculations.
doi: 10.1103/PhysRevC.101.034305
2020GE11 Phys.Rev. C 102, 064323 (2020) R.-B.Gerst, A.Blazhev, N.Warr, J.N.Wilson, M.Lebois, N.Jovancevic, D.Thisse, R.Canavan, M.Rudigier, D.Etasse, E.Adamska, P.Adsley, A.Algora, M.Babo, K.Belvedere, J.Benito, G.Benzoni, A.Boso, S.Bottoni, M.Bunce, R.Chakma, N.Cieplicka-Orynczak, S.Courtin, M.L.Cortes, P.Davies, C.Delafosse, M.Fallot, B.Fornal, L.M.Fraile, D.Gjestvang, A.Gottardo, V.Guadilla, G.Hafner, K.Hauschild, M.Heine, C.Henrich, I.Homm, F.Ibrahim, L.W.Iskra, P.Ivanov, S.Jazrawi, A.Korgul, P.Koseoglou, T.Kroll, T.Kurtukian-Nieto, L.Le Meur, S.Leoni, J.Ljungvall, A.Lopez-Martens, R.Lozeva, I.Matea, K.Miernik, J.Nemer, S.Oberstedt, W.Paulsen, M.Piersa, Y.Popovitch, C.Porzio, L.Qi, D.Ralet, P.H.Regan, D.Reygadas Tello, K.Rezynkina, V.Sanchez-Tembleque, C.Schmitt, P.-A.Soderstrom, C.Surder, G.Tocabens, V.Vedia, D.Verney, B.Wasilewska, J.Wiederhold, M.Yavachova, F.Zeiser, S.Ziliani Prompt and delayed γ spectroscopy of neutron-rich 94Kr and observation of a new isomer NUCLEAR REACTIONS 238U(n, F), E=fast neutrons from 1H(7Li, 7Be)n, E=16 MeV; measured prompt and delayed Eγ, Iγ, γγ-coin, half-life of a new isomer in 94Kr using the ν-Ball array of 24 HPGe Clover detectors, 10 coaxial HPGe detectors, all with BGO Compton shielding, and 20 LaBr3 detectors at the ALTO facility of IPN-Orsay. 94Kr; deduced levels, J, π, isomer, B(E1), B(E2), ground-state band up to 10+, two-quasiparticle neutron state for the isomer consistent with Gogny CHFB calculations. Comparison with level schemes of 92Se and 96Sr.
doi: 10.1103/PhysRevC.102.064323
2020KH11 Phys.Rev. C 102, 064602 (2020) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.K.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.B.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Search for elements 119 and 120 NUCLEAR REACTIONS 249Bk, 249Cf(50Ti, X)299119*/299120*, E(average)=281.5 MeV; measured evaporation residues (ERs), Eα, correlated ER-α and ER-α1-α2-SF events using UNILAC accelerator, TASCA separator, and Focal plane detector system (FPDS) consisting of double-sided silicon strip (DSSD) detectors, and Si-strip detectors for position and time correlations of events. 295,296119, 295,296120; deduced no evidence for non-random correlated events related to 3n- or 4n-channel deexcitations of the compound nuclei 299119 and 299120, within a sensitivity limit of one event corresponding to σ=65 fb for 249Bk+50Ti reaction and σ=200 fb for 249Cf+50Ti; discussed nonobservation of Z=119 and 120 superheavy elements within the context of the fusion-evaporation reaction mechanism.
doi: 10.1103/PhysRevC.102.064602
2020LI32 Nucl.Data Sheets 168, 1 (2020) J.Liang, B.Singh, E.A.McCutchan, I.Dillmann, M.Birch, A.A.Sonzogni, X.Huang, M.Kang, J.Wang, G.Mukherjee, K.Banerjee, D.Abriola, A.Algora, A.A.Chen, T.D.Johnson, K.Miernik Compilation and Evaluation of Beta-Delayed Neutron Emission Probabilities and Half-Lives for Z > 28 Precursors RADIOACTIVITY 73,74,75,76,77,78,79,80,81,82,83Cu, 78,79,80,81,82,83,84,85Zn, 79,80,81,82,83,84,85,86,87Ga, 83,84,85,86,87,88,89,90Ge, 84,85,86,87,88,89,90,91,92As, 86,87,88,89,90,91,92,93,94,95Se, 87,88,89,90,91,92,93,94,95,96,97,98Br, 91,92,93,94,95,96,97,98,99,100,101Kr, 91,92,93,94,95,96,97,98,99,100,101,102,103,104Rb, 96,97,98,99,100,101,102,103,104,105,106,107Sr, 97,98,99,100,101,102,103,104,105,106,107,108,109Y, 103,104,105,106,107,108,109,110,111,112,113Zr, 103,104,105,106,107,108,109,110,111,112,113,114,115,116Nb, 109,110,111,112,113,114,115,116,117,118,119Mo, 109,110,111,112,113,114,115,116,117,118,119,120,121,122Tc, 114,115,116,117,118,119,120,121,122,123,124,125Ru, 115,116,117,118,119,120,121,122,123,124,125,126,127,128Rh, 119,120,121,122,123,124,125,126,127,128,129,130,131Pd, 120,121,122,123,124,125,126,127,128,129,130,131,132Ag, 126,127,128,129,130,131,132,133,134Cd, 127,128,129,130,131,132,133,134,135,136,137In, 133,134,135,136,137,138,139,140Sn, 134,135,136,137,138,139,140,141,142Sb, 136,137,138,139,140,141,142,143,144,145Te, 137,138,139,140,141,142,143,144,145,146,147I, 141,142,143,144,145,146,147,148,149,150Xe, 141,142,143,144,145,146,147,148,149,150,151,152Cs, 147,148,149,150,151,152,153,154Ba, 147,148,149,150,151,152,153,154,155,156,157La, 153,154,155,156,157,158Ce, 153,154,155,156,157,158,159,160,161Pr, 158,159,160,161,162,163Nd, 159,160,161,162,163,164,165Pm, 163,164,165,166,167Sm, 165,166,167,168,169Eu, 169,170,171Gd, 169,170,171,172,173,174Tb, 174,175,176Dy, 174,175,176,177,178Ho, 180Er, 179,180,181Tm, 185Yb, 186,187,188Lu, 191,192,193,194Ta, 198,199Re, 203Os, 203,204,205Ir, 206,207,208Pt, 206,207,208,209,210Au, 209,210,211,212,213,214,215,216Hg, 210,211,212,213,214,215,216,217Tl, 219,220,221,222,223,224Bi, 225,226,227,228,229At, 223Fr(β-); analyzed available data; deduced β-delayed neutron emission probabilities (Pn) and T1/2 for known or potential β-delayed neutron precursors. Comparison with systematics using three different approaches.
doi: 10.1016/j.nds.2020.09.001
2020WO01 Acta Phys.Pol. B51, 725 (2020) P.Wojtowicz, K.Miernik, A.Korgul, M.Piersa, M.Silkowski, T.Roginski Warsaw Time-of-Flight Neutron Detector
doi: 10.5506/APhysPolB.51.725
2020ZA04 Phys.Rev. C 101, 054312 (2020) C.J.Zachary, N.T.Brewer, J.C.Batchelder, E.Wang, J.H.Hamilton, J.M.Eldridge, B.M.Musangu, A.V.Ramayya, C.J.Gross, K.P.Rykaczewski, R.Grzywacz, A.C.Dai, F.R.Xu, Y.X.Liu, Y.Sun, M.Madurga, D.Miller, D.W.Stracener, C.Jost, E.F.Zganjar, J.A.Winger, M.Karny, S.V.Paulauskas, S.H.Liu, M.Wolinska-Cichocka, S.W.Padgett, A.J.Mendez, K.Miernik, A.Fijalkowska, S.V.Ilyushkin Identification of new transitions and levels in 163Gd from β-decay studies RADIOACTIVITY 163Eu(β-)[from 238U(p, F), E=50 MeV, pure 163Eu beam using high-resolution isobar separator at HRIBF-ORNL]; measured Eγ, Iγ, Eβ-, Iβ-, γγ-, βγγ- and (x ray)γ-coin using the CARDS HPGe clover array for γ detection and plastic scintillators for β detection. 163Gd; deduced levels, J, π, bands, configurations; calculated configuration-constrained potential-energy surface (PES) for ν1/2[521] configuration. Comparison with projected shell-model calculations.
doi: 10.1103/PhysRevC.101.054312
2020ZA07 Phys.Rev. C 102, 044302 (2020) C.J.Zachary, E.Wang, N.T.Brewer, J.C.Batchelder, J.H.Hamilton, J.M.Eldridge, B.M.Musangu, A.V.Ramayya, C.J.Gross, K.P.Rykaczewski, R.Grzywacz, A.C.Dai, F.R.Xu, M.Madurga, D.Miller, D.W.Stracener, C.Jost, E.F.Zganjar, J.A.Winger, M.Karny, S.V.Paulauskas, S.H.Liu, M.Wolinska-Cichocka, S.W.Padgett, A.J.Mendez, K.Miernik, A.Fijalkowska, S.V.Ilyushkin New transitions and levels for 163Tb obtained from β-decay studies RADIOACTIVITY 163Gd(β-)[mass separated 163Gd beam from fission at HRIBF-ORNL]; measured Eγ, Iγ, βγγ-, γγ- and γ(x ray)-coin using four Clover HPGe detectors and two plastic scintillators. 163Dy; deduced levels, J, π, configurations. Comparison with configuration-constrained potential-energy surface (PES) calculations.
doi: 10.1103/PhysRevC.102.044302
2019JO08 Acta Phys.Pol. B50, 297 (2019) N.Jovancevic, M.Lebois, J.N.Wilson, D.Thisse, L.Qi, I.Matea, F.Ibrahim, D.Verney, M.Babo, C.Delafosse, F.Adsley, G.Tocabens, A.Gottardo, Y.Popovitch, J.Nemer, R.Canavan, M.Rudigier, K.Belvedere, A.Boso, P.Regan, Zs.Podolyak, R.Shearman, M.Bunce, P.Inavov, S.Oberstedt, A.Lopez-Martens, K.Hauschild, J.Ljungvall, R.Chakma, R.Lozeva, P.-A.Soderstrom, A.Oberstedt, D.Etasse, D.Ralet, A.Blazhev, R.-B.Gerst, G.Hafner, N.Cieplicka-Orynczak, L.Iskra, B.Fornal, G.Benzoni, S.Leoni, S.Bottoni, C.Henrich, P.Koseoglou, J.Wiederhold, I.Homm, C.Surder, T.Kroll, D.Knezevic, A.Dragic, L.Cortes, N.Warr, K.Miernik, E.Adamska, M.Piersa, K.Rezynkina, L.Fraile, J.Benito Garcia, V.Sanchez, A.Algora, P.Davies, V.Guadilla-Gomez, M.Fallot, T.Kurtukian-Nieto, C.Schmitt, M.Heine, D.Reygadas Tello, M.Yavachova, M.Diakaki, F.Zeiser, W.Paulson, D.Gestvang Spectroscopy of Neutron Induced Reactions with the ν-ball Spectrometer
doi: 10.5506/aphyspolb.50.297
2019KH04 Phys.Rev. C 99, 054306 (2019) J.Khuyagbaatar, A.Yakushev, Ch.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva Fusion reaction 48Ca + 249Bk leading to formation of the element Ts (Z=117) NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n)293Ts/294Ts, E=252.1, 254.0, 258.0 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, (ER)α-correlated decay chains, and σ using double-sided silicon strip detectors for α detection, TASCA separator for evaporation residue, and multiwire proportional counter for detection of residues at UNILAC accelerator facility of GSI. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db(α); 293Ts, 289Mc, 285Nh, 281Rg(α); 266Lr, 270Db, 277Mt, 277Hs(SF); measured Eα, Iα, SF events, half-lives. 266Lr, 270Db(α), (SF); measured half-lives and α/SF branching ratios. Comparison with previous experimental data for (ER)α-correlated decay chains from DGFRS-Dubna facility. A=200-240; A=240-260; systematics of α-decay half-lives of isotopes produced in 48Ca+249Bk and 48Ca+249Cf reactions.
doi: 10.1103/PhysRevC.99.054306
2019PH02 Phys.Rev. C 100, 011302 (2019) V.H.Phong, G.Lorusso, T.Davinson, A.Estrade, O.Hall, J.Liu, K.Matsui, F.Montes, S.Nishimura, A.Boso, P.H.Regan, R.Shearman, Z.Y.Xu, J.Agramunt, J.M.Allmond, D.S.Ahn, A.Algora, H.Baba, N.T.Brewer, C.G.Bruno, R.Caballero-Folch, F.Calvino, M.Wolinska-Cichocka, G.Cortes, I.Dillmann, C.Domingo-Pardo, A.Gargano, S.Go, C.J.Griffin, R.K.Grzywacz, L.Harkness-Brennan, T.Isobe, A.Jungclaus, D.Kahl, L.H.Khiem, G.Kiss, A.Korgul, S.Kubono, K.Miernik, A.I.Morales, N.Nepal, M.Piersa, Zs.Podolyak, B.C.Rasco, K.P.Rykaczewski, H.Sakurai, Y.Shimizu, D.W.Stacener, T.Sumikama, H.Suzuki, H.Takeda, J.L.Tain, A.Tarifeno-Saldivia, A.Tolosa-Delgado, V.Vaquero, P.J.Woods, R.Yokoyama, C.Yuan Observation of a 13449In85 Proton-neutron coupling "southeast" of 13250Sn82 NUCLEAR REACTIONS 9Be(238U, F)120Rh/121Rh/122Rh/123Rh/124Rh/125Rh/123Pd/124Pd/125Pd/126Pd/127Pd/128Pd/125Ag/126Ag/127Ag/128Ag/129Ag/130Ag/128Cd/129Cd/130Cd/131Cd/132Cd/133Cd/131In/132In/133In/134In/135In/136In/134Sn/135Sn/136Sn/137Sn/138Sn/139Sn/138Sb/139Sb/140Sb/141Te/142Te, E=345 MeV/nucleon; measured fission fragment yields, A/Q plot, Eγ, Iγ, (fragment)γ-coin, half-lives of isomers in 128Cd and 134In by (ion)γ(t) using BigRIPS, ZeroDegree spectrometer, and AIDA array for fragment separation and identification, and HPGe detectors for γ detection at RIBF-RIKEN. 128Cd, 130Ag, 132,134In; measured (ion)γ-coin spectra; deduced isomers in 128Cd and 134In, configurations, no evidence for isomers in 130Ag and 132In. 134In; compared Weisskopf estimated half-lives for E1, M1, E2 and M2 multipolarities for the isomeric transition in the case of bare nuclei and neutral atoms with the measured half-life, best agreement found for E2 multipolarity. 130Ag, 132,134In; calculated levels, J, π using shell model, and compared with available experimental data.
doi: 10.1103/PhysRevC.100.011302
2019YO03 Phys.Rev. C 100, 031302(R) (2019) R.Yokoyama, R.Grzywacz, B.C.Rasco, N.Brewer, K.P.Rykaczewski, I.Dillmann, J.L.Tain, S.Nishimura, D.S.Ahn, A.Algora, J.M.Allmond, J.Agramunt, H.Baba, S.Bae, C.G.Bruno, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.J.Griffin, J.Ha, O.Hall, L.J.Harkness-Brennan, J.Heideman, T.Isobe, D.Kahl, M.Karny, T.Kawano, L.H.Khiem, T.T.King, G.G.Kiss, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Liang, J.Liu, G.Lorusso, M.Madurga, K.Matsui, K.Miernik, F.Montes, A.I.Morales, P.Morrall, N.Nepal, R.D.Page, V.H.Phong, M.Piersa, M.Prydderch, V.F.E.Pucknell, M.M.Rajabali, B.Rubio, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, M.Singh, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, M.Wolinska-Cichocka, P.J.Woods, X.X.Xu Strong one-neutron emission from two-neutron unbound states in β decays of the r-process nuclei 86, 87Ga RADIOACTIVITY 84,85,86,87Ga(β-), (β-n), (β-2n)[from 9Be(238U, F), E=345 MeV/nucleon, followed by separation and identification of fragments using the BigRIPS in-flight separator at RIBF-RIKEN facility]; measured secondary ions implanted into active stoppers made of double-sided silicon-strip detectors (DSSSDs), neutrons by BRIKEN array of 3He counters, WAS3ABi for β and ion detection, and γ rays by two clover-type HPGe detectors, (ions)βn-coin, half-lives of decays of 84,85,86,87Ga; deduced decay curves, %β-n (P1n) and %β-2n (P2n). Comparison with shell-model and QRPA calculations. Relevance to r-process modeling.
doi: 10.1103/PhysRevC.100.031302
2018BR13 Phys.Rev. C 98, 024317 (2018) N.T.Brewer, V.K.Utyonkov, K.P.Rykaczewski, Yu.Ts.Oganessian, F.Sh.Abdullin, R.A.Boll, D.J.Dean, S.N.Dmitriev, J.G.Ezold, L.K.Felker, R.K.Grzywacz, M.G.Itkis, N.D.Kovrizhnykh, D.C.McInturff, K.Miernik, G.D.Owen, A.N.Polyakov, A.G.Popeko, J.B.Roberto, A.V.Sabelnikov, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, N.J.Sims, E.H.Smith, V.G.Subbotin, A.M.Sukhov, A.I.Svirikhin, Yu.S.Tsyganov, S.M.Van Cleve, A.A.Voinov, G.K.Vostokin, C.S.White, J.H.Hamilton, M.A.Stoyer Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a 48Ca beam NUCLEAR REACTIONS 249,250,251,252Cf(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), (48Ca, 5n), E*=33-50 MeV; calculated evaporation residual cross sections using from five models for analyzing reactions. 249,250,251Cf(48Ca, xn)294Og, E=252, 258 MeV; Yb(48Ca, xn)216Th/217Th/218Th/219Th/220Th, E=252, 258 MeV; 206Pb(48Ca, 2n)252No, E=252, 258 MeV; measured Eα, Iα and (implants)α correlations, using Dubna Gas Filled Recoil Separator (DGFRS) for recoil separation and double-sided silicon strip detectors for α detection at JINR. Reviewed earlier experiments from 2002 to 2012 for the detection of 294Og nuclide. 295,296Og; predicted production σ, half-life and Eα for the decay of 296Og; discussed future prospects for production of these two nuclides. RADIOACTIVITY 294Og, 290Lv, 218,219Th, 214,215Ra(α); 286Fl(SF); measured Eα, Q(α) and T1/2. 294,296Og(α); comparison of experimental values for Q(α) and T1/2 for 294Og with theoretical predictions for 294Og and 296Og.
doi: 10.1103/PhysRevC.98.024317
2018MI03 Phys.Rev. C 97, 054317 (2018) K.Miernik, K.P.Rykaczewski, R.Grzywacz, C.J.Gross, M.Madurga, D.Miller, D.W.Stracener, J.C.Batchelder, N.T.Brewer, A.Korgul, C.Mazzocchi, A.J.Mendez, Y.Liu, S.V.Paulauskas, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar β-delayed neutron emission from 85Ga RADIOACTIVITY 85Ga(β-), (β-n)[from U(p, X), E=50 MeV at HRIBF-ORNL facility, followed by ion extraction using RILIS and mass analysis]; measured Eγ, Iγ, Eβ, neutrons, βγ-, γγ- and βnγ-coin using two HPGe clover detectors, two plastic β detectors, and 48 3He ionization chambers for neutron detection. 85Ga, 84Ge; deduced levels, β feedings, logft, %β-n and %β-2n, cumulative β strength function for decay of 85Ga. 85Ge(β-n); deduced %β-n for decay of 85Ge. Comparison with shell-model calculations, and with theoretical β-delayed neutron emission models.
doi: 10.1103/PhysRevC.97.054317
2018PI07 Acta Phys.Pol. B49, 523 (2018) M.Piersa, A.Korgul, L.M.Fraile, J.Benito, E.Adamska, R.Alvarez, A.E.Barzakh, G.Benzoni, T.Berry, M.J.G.Borge, M.Carmona, K.Chrysalidis, G.Correia, C.Costache, T.Day Goodacre, D.V.Fedorov, V.N.Fedosseev, G.Fernandez-Martinez, M.Fila, D.Galaviz, R.Grzywacz, C.Henrich, A.Illana, Z.Janas, K.Johnston, V.Karanyonchev, M.Kicinska-Habior, R.Lica, M.Madurga, I.Marroquin, B.Marsh, C.Martinez, C.Mazzocchi, K.Miernik, R.Mihai, B.Olaizola, S.Paulaskalas, J.-M.Regis, S.Rothe, V.Sanchez-Tembleque, G.Simpson, Ch.Sotty, L.Stan, M.Stanoiu, M.Stryjczyk, A.Turturica, J.M.Udias, V.Vedia, A.Villa, W.B.Walters Investigation of Low-lying States in 133Sn Populated in the β Decay of 133In Using Isomer-selective Laser Ionization RADIOACTIVITY 133In(β-)[from ISOLDE facility, where 1.4 GeV protons are directed on uranium carbide target]; measured Eβ, Iβ, β-gated γ-ray spectra using isomer selective ionization of ISOLDE facility LDE RILIS with clear distinction between decaying gs (9/2+) and isomer (1/2-); deduced, identified γ-rays following 133In to 133Sn as βγγ coin with 513 keV transition; deduced levels, J, π participating in 133In β-decay; deduced consistency with previous results on low-lying structure in 133Sn.
doi: 10.5506/aphyspolb.49.523
2018TA20 Acta Phys.Pol. B49, 417 (2018) J.L.Tain, J.Agramunt, D.S.Ahn, A.Algora, J.M.Allmond, H.Baba, S.Bae, N.T.Brewer, R.Caballero-Folch, F.Calvino, P.J.Coleman-Smith, G.Cortes, T.Davinson, I.Dillmann, C.Domingo-Pardo, A.Estrade, N.Fukuda, S.Go, C.Griffin, R.Grzywacz, J.Ha, O.Hall, L.Harkness-Brennan, T.Isobe, D.Kahl, M.Karny, G.G.Kiss, M.Kogimtzis, A.Korgul, S.Kubono, M.Labiche, I.Lazarus, J.Lee, J.Liu, G.Lorusso, K.Matsui, K.Miernik, F.Montes, B.Moon, A.I.Morales, N.Nepal, S.Nishimura, R.D.Page, Z.Podolyak, V.F.E.Pucknell, B.C.Rasco, P.H.Regan, A.Riego, B.Rubio, K.P.Rykaczewski, Y.Saito, H.Sakurai, Y.Shimizu, J.Simpson, P.A.Soderstrom, D.W.Stracener, T.Sumikama, R.Surman, H.Suzuki, M.Takechi, H.Takeda, A.Tarifeno-Saldivia, S.L.Thomas, A.Tolosa-Delgado, V.H.Phong, P.Woods The BRIKEN Project: Extensive Measurements of β-delayed Neutron Emitters for the Astrophysical r Process
doi: 10.5506/aphyspolb.49.417
2018TR07 Phys.Rev. C 98, 034309 (2018) J.L.Tracy, J.A.Winger, B.C.Rasco, U.Silwal, D.P.Siwakoti, K.P.Rykaczewski, R.Grzywacz, J.C.Batchelder, C.R.Bingham, N.T.Brewer, L.Cartegni, A.A.Ciemny, A.Fijalkowska, C.J.Gross, C.Jost, M.Karny, K.Kolos, A.Korgul, W.Krolas, Y.Liu, M.Madurga, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, D.W.Stracener, M.Wolinska-Cichocka, M.M.Rajabali, E.F.Zganjar Updated β-decay measurement of neutron-rich 74Cu RADIOACTIVITY 74Cu(β-)[from U(p, F), E=54 MeV at the Holifield Radioactive Ion Beam Facility HRIBF-ORNL]; measured Eγ, Iγ, βγ-coin, γγ-coin and βγγ-coin. 74Zn; deduced levels, J, π, β feedings, logft, simulations of total absorption γ spectrum (TAGS) from the γ-ray data, and pandemonium effect in 74Cu to 74Zn decay. Comparison with previous experimental values, and with shell model predictions.
doi: 10.1103/PhysRevC.98.034309
2018UT02 Phys.Rev. C 97, 014320 (2018) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Karpov, A.G.Popeko, A.V.Sabelnikov, A.I.Svirikhin, G.K.Vostokin, J.H.Hamilton, N.D.Kovrizhnykh, L.Schlattauer, M.A.Stoyer, Z.Gan, W.X.Huang, L.Ma Neutron-deficient superheavy nuclei obtained in the 240Pu + 48Ca reaction NUCLEAR REACTIONS 240Pu(48Ca, 3n), (48Ca, 4n), E=250 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α, α-α, and ER-SF correlated events, reaction σ using Dubna gas-filled recoil separator (DGFRS) at the U-400 cyclotron facility of Flerov Laboratory of Nuclear Reactions(FLNR), JINR; deduced three ER-α-SF correlated decay chains decaying from 285Fl to 265Rf, one ER-α-SF decay chain, and 25 short ER-SF decay chains, super-heavy nuclides (SHN). Systematics of production σ for Cf, Cm and Am isotopes in 248Cm, 249Cf(136Xe, xn), 248Cm(86Kr, xn), and 240Pu, 243Am, 248Cm(48Ca, xn) reactions. 240,244mAm, 242mAm, 237,239,241mPu, 238,241,243,244,245,246mAm, 287Fl, 282,283Cn, 279Ds; possible production of mostly the SF activities. RADIOACTIVITY 285Fl, 281Cn, 277Ds, 273Hs, 269Sg(α); 265Rf(SF)[from 240Pu(48Ca, 3n), E=250 MeV]; measured Eα, ESF, T1/2 from three correlated decay chains; deduced average decay properties, possible indication of decays through different energy levels. 284Fl(SF)[from 240Pu(48Ca, 4n), E=250 MeV]; deduced possible three ER-SF correlated decay chains and estimated half-life.
doi: 10.1103/PhysRevC.97.014320
2017FI06 Phys.Rev.Lett. 119, 052503 (2017) A.Fijalkowska, M.Karny, K.P.Rykaczewski, B.C.Rasco, R.Grzywacz, C.J.Gross, M.Wolinska-Cichocka, K.C.Goetz, D.W.Stracener, W.Bielewski, R.Goans, J.H.Hamilton, J.W.Johnson, C.Jost, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, E.F.Zganjar Impact of Modular Total Absorption Spectrometer measurements of β decay of fission products on the decay heat and reactor ν(bar)e flux calculation RADIOACTIVITY 86Br, 89,90Kr, 89,90,92Rb, 139Xe, 142Cs(β-) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced a substantial increase in β feeding to high excited states in all daughter isotopes in comparison to earlier data, reduction of the reference reactor ν-bar flux.
doi: 10.1103/PhysRevLett.119.052503
2017KO11 Phys.Rev. C 95, 044305 (2017) A.Korgul, K.P.Rykaczewski, R.K.Grzywacz, C.R.Bingham, N.T.Brewer, C.J.Gross, C.Jost, M.Karny, M.Madurga, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, M.Piersa, D.W.Stracener, M.Stryjczyk, M.Wolinska-Cichocka, E.F.Zganjar Experimental study of the β decay of the very neutron-rich nucleus 85Ge RADIOACTIVITY 85Ge(β-), (β-n)[from 238U(p, F) at HRIBF-ORNL facility]; measured Eγ, Iγ, βγ- and βγγ-coin. 85As; deduced levels, J, π, β feedings, logft. Comparison with shell-model predictions. 84As; observed γ rays from β-n decay of 85Ge. 84,85Se, 85Br; observed γ rays from daughter nuclei.
doi: 10.1103/PhysRevC.95.044305
2017RA06 Acta Phys.Pol. B48, 507 (2017) B.C.Rasco, A.Fijalkowska, K.P.Rykaczewski, M.Wolinska-Cichocka, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, T.King, K.Miernik, S.V.Paulauskas, M.M.Rajabali, J.A.Winger β Decays of 92Rb, 96gsY, and 142Cs Measured with the Modular Total Absorption Spectrometer and the Influence of γ Multiplicity on Total Absorption Spectrometry Measurements RADIOACTIVITY 92Rb, 96Y, 142Cs(β-); measured Eγ, Iγ, Eβ, Iβ, En, In using MTAS (Modular Total Absorption Spectrometer); deduced γ multiplicity, ν-bar energy spectrum corrections, β-feeding intensities of individual level decays to the total MTAS data. Results for ν-bar vs energy compared with 2007 ENSDF data.
doi: 10.5506/APhysPolB.48.507
2017RA10 Phys.Rev. C 95, 054328 (2017) B.C.Rasco, K.P.Rykaczewski, A.Fijalkowska, M.Karny, M.Wolinska-Cichocka, R.K.Grzywacz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Blackmon, N.T.Brewer, K.C.Goetz, J.W.Johnson, C.U.Jost, J.H.Hamilton, K.Miernik, M.Madurga, D.Miller, S.Padgett, S.V.Paulauskas, A.V.Ramayya, E.H.Spejewski Complete β-decay pattern for the high-priority decay-heat isotopes 137I and 137Xe determined using total absorption spectroscopy RADIOACTIVITY 137I, 137Xe(β-)[from U(p, F), E=50 MeV]; 137I(β-n); measured Eγ, Iγ, total absorption gamma-ray spectra using Modular Total Absorption Spectrometer (MTAS) at ORNL; deduced beta-delayed neutron spectrum, beta-delayed neutron emission probability for 137I decay, Iβ feedings, ratio of MTAS measured γ decay heat to calculated γ decay heat for thermal neutrons+235U. Comparison with the evaluated data in the ENSDF database at NNDC.
doi: 10.1103/PhysRevC.95.054328
2016AL10 Phys.Rev. C 93, 044325 (2016) M.F.Alshudifat, R.Grzywacz, M.Madurga, C.J.Gross, K.P.Rykaczewski, J.C.Batchelder, C.Bingham, I.N.Borzov, N.T.Brewer, L.Cartegni, A.Fijalkowska, J.H.Hamilton, J.K.Hwang, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, S.H.Liu, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, D.W.Stracener, R.Surman, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar Reexamining Gamow-Teller decays near 78Ni RADIOACTIVITY 82,83Zn, 82,83Ga(β-), (β-n)[from 238U(p, F), E=50 MeV]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin, half-lives of decay of 82,83Zn, 83Ga, β-delayed neutron branching ratio Pn for 82Zn decay at HRIBF-ORNL facility. 81,82,83Ga, 81,82Ge; deduced levels, J, π, beta feedings, logft. Comparison of level spectra with shell-model calculations, and with previous experimental results. 82,83Zn, 82,83Ga(β-); calculated B(GT) strengths using shell-model with NUSHELLX computer code.
doi: 10.1103/PhysRevC.93.044325
2016BA41 Phys.Rev. C 94, 024317 (2016) J.C.Batchelder, N.T.Brewer, C.J.Gross, R.Grzywacz, J.H.Hamilton, M.Karny, A.Fijalkowska, S.H.Liu, K.Miernik, S.W.Padgett, S.V.Paulauskas, K.P.Rykaczewski, A.V.Ramayya, D.W.Stracener, M.Wolinska-Cichocka 124In levels populated in the β decay of 124Cd RADIOACTIVITY 124Cd(β-)[from U(p, F), E=50 MeV at Oak Ridge Isochronous Cyclotron facility]; measured Eγ, Iγ, γγ-coin at HRIBF-ORNL facility. 124In; deduced levels, J, π, multipolarity, β feedings, configuration. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.94.024317
2016CI01 Eur.Phys.J. A 52, 89 (2016) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, K.Miernik, M.Pfutzner, M.Pomorski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.N.Liddick, S.V.Paulauskas, J.Pereira, K.P.Rykaczewski, C.Sumithrarachchi, Y.Xiao First measurement of 60Ge β-decay RADIOACTIVITY 60Ge(β+)[from 78Kr+9Be fragmentation at 150 MeV/nucleon]; measured reaction products using OTPC (Optical Time Projection Chamber) plus GEM (Gas Electron Multiplier) for each βp decay event; deduced T1/2. Compared with Moeller measurement and with calculations using three different mass formulae.
doi: 10.1140/epja/i2016-16089-x
2016HO06 Eur.Phys.J. A 52, 116 (2016) S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, C.Scheidenberger, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin Remarks on the fission barriers of super-heavy nuclei RADIOACTIVITY 285Fl, 291,292,293Lv, 294Og(α); calculated mass excess, Qα, shell correction energies for complete α-decay chains. Z=118, 120(α); deduced estimates for synthesis σ. Compared with calculations using macroscopic-microscopic models.
doi: 10.1140/epja/i2016-16116-0
2016HO09 Eur.Phys.J. A 52, 180 (2016) S.Hofmann, S.Heinz, R.Mann, J.Maurer, G.Munzenberg, S.Antalic, W.Barth, H.G.Burkhard, L.Dahl, K.Eberhardt, R.Grzywacz, J.H.Hamilton, R.A.Henderson, J.M.Kenneally, B.Kindler, I.Kojouharov, R.Lang, B.Lommel, K.Miernik, D.Miller, K.J.Moody, K.Morita, K.Nishio, A.G.Popeko, J.B.Roberto, J.Runke, K.P.Rykaczewski, S.Saro, C.Scheidenberger, H.J.Schott, D.A.Shaughnessy, M.A.Stoyer, P.Thorle-Pospiech, K.Tinschert, N.Trautmann, J.Uusitalo, A.V.Yeremin Review of even element super-heavy nuclei and search for element
doi: 10.1140/epja/i2016-16180-4
2016KO24 Phys.Rev. C 93, 064324 (2016) A.Korgul, K.P.Rykaczewski, R.K.Grzywacz, C.R.Bingham, N.T.Brewer, C.J.Gross, A.A.Ciemny, C.Jost, M.Karny, M.Madurga, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, M.Piersa, D.W.Stracener, M.Stryjczyk, M.Wolinska-Cichocka, E.F.Zganjar β and β - n decay of the neutron-rich 84Ge nucleus RADIOACTIVITY 84Ge(β-), (β-n)[from 238U(p, F) using IRIS2 ion source at HRIBF-ORNL cyclotron facility]; measured Eγ, Iγ, Eβ, βγ-, βγγ-coin using detection setup at the Low-Energy Radioactive Ion Beam Spectroscopy Station (LeRIBSS). 84As; deduced levels, J, π, Iβ feedings, logft. 83As; one γ ray observed. Systematics of low-spin levels in 82Ge, 84As, 86Br, 88Rb, 90Y. Comparison with shell model calculations.
doi: 10.1103/PhysRevC.93.064324
2016MA50 Phys.Rev.Lett. 117, 092502 (2016) M.Madurga, S.V.Paulauskas, R.Grzywacz, D.Miller, D.W.Bardayan, J.C.Batchelder, N.T.Brewer, J.A.Cizewski, A.Fijalkowska, C.J.Gross, M.E.Howard, S.V.Ilyushkin, B.Manning, M.Matos, A.J.Mendez, II, K.Miernik, S.W.Padgett, W.A.Peters, B.C.Rasco, A.Ratkiewicz, K.P.Rykaczewski, D.W.Stracener, E.H.Wang, M.Wolinska-Cichocka, E.F.Zganjar Evidence for Gamow-Teller Decay of 78Ni Core from Beta-Delayed Neutron Emission Studies RADIOACTIVITY 83,84Ga(β-), (β-n) [from 238U(p, X), E not given]; measured decay products, En, In, Eγ, Iγ. 78Ni; deduced β-decay strength, strong multineutron emission probabilities, β-decay lifetimes. Shell model calculations, neutron time-of-flight technique.
doi: 10.1103/PhysRevLett.117.092502
2016MI07 Acta Phys.Pol. B47, 739 (2016) Studies of Predictive Powers of Beta-delayed Neutron Emission Model Based on Effective Density Parametrization
doi: 10.5506/APhysPolB.47.739
2016MI18 Phys.Rev. C 94, 024305 (2016) K.Miernik, K.P.Rykaczewski, R.Grzywacz, C.J.Gross, M.Madurga, D.Miller, D.W.Stracener, J.C.Batchelder, N.T.Brewer, L.Cartegni, A.Fijalkowska, M.Karny, A.Korgul, W.Krolas, C.Mazzocchi, A.J.Mendez II, S.W.Padgett, S.V.Paulauskas, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar β-decay study of 94Kr RADIOACTIVITY 94Kr(β-)[from UCx(p, F), E=50 MeV, mass separation at HRIFB-ORNL]; measured Eγ, Iγ, half-life of 94Kr decay, γγ-, βγ-, delayed βγ-, and βγγ-coin, isomer half-life by βγ(t) at LeRIBSS with four HPGe clover detectors for γ rays and two plastic scintillators for β detection. 94Rb; deduced levels, J, π, β feedings, logft, configurations. Systematics of low-lying levels in 88,90,92,94,96Rb. Comparison of experimental and theoretical half-lives, and BCS calculation of average occupation of νg7/2 for ground states of 86,88,90,92Se, 88,90,92,94,96,98Kr, 94,96,98,100Sr.
doi: 10.1103/PhysRevC.94.024305
2016RA25 Phys.Rev.Lett. 117, 092501 (2016) B.C.Rasco, M.Wolinska-Cichocka, A.Fijalkowska, K.P.Rykaczewski, M.Karny, R.K.Grzywacz, K.C.Goetz, C.J.Gross, D.W.Stracener, E.F.Zganjar, J.C.Batchelder, J.C.Blackmon, N.T.Brewer, S.Go, B.Heffron, T.King, J.T.Matta, K.Miernik, C.D.Nesaraja, S.V.Paulauskas, M.M.Rajabali, E.H.Wang, J.A.Winger, Y.Xiao, C.J.Zachary Decays of the Three Top Contributors to the Reactor ν(bar)e High-Energy Spectrum, 92Rb, 96gsY, and 142Cs, Studied with Total Absorption Spectroscopy RADIOACTIVITY 92Rb, 96Y, 142Cs(β-), (β-n) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ; deduced β-feeding intensity, impact on a reactor anti-neutrino spectrum. Comparison with available data.
doi: 10.1103/PhysRevLett.117.092501
2015CI06 Phys.Rev. C 92, 014622 (2015) A.A.Ciemny, W.Dominik, T.Ginter, R.Grzywacz, Z.Janas, M.Kuich, C.Mazzocchi, M.Pfutzner, M.Pomorski, F.Zarzynski, D.Bazin, T.Baumann, A.Bezbakh, B.P.Crider, M.Cwiok, S.Go, G.Kaminski, K.Kolos, A.Korgul, E.Kwan, S.Liddick, K.Miernik, S.V.Paulauskas, J.Pereira, K.Rykaczewski, C.Sumithrarachchi, Y.Xiao First observation of 59Ge NUCLEAR REACTIONS 9Be(78Kr, X)59Ge/60Ge/61Ge/62Ge, E=150 MeV/nucleon; measured production cross sections using A1900 separator and Optical Time Projection Chamber (OTPC) at NSCL-MSU facility; deduced new 59Ge isotope. Comparison with EPAX3 theoretical calculations. Relevance to 2p radioactivity.
doi: 10.1103/PhysRevC.92.014622
2015KO19 Phys.Rev. C 92, 054318 (2015) A.Korgul, K.P.Rykaczewski, R.Grzywacz, C.R.Bingham, N.T.Brewer, A.A.Ciemny, C.J.Gross, C.Jost, M.Karny, M.Madurga, C.Mazzocchi, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.V.Paulauskas, D.W.Stracener, M.Wolinska-Cichocka Experimental study of β and β-n decay of the neutron-rich N = 54 isotone 87As RADIOACTIVITY 87As(β-), (β-n)[from 238U(p, F), E=54 MeV at HIRBF-ORNL]; measured Eγ, Iγ, Eβ, βγ-, γγ-coin. 86,87Se; deduced levels, J, π. 87As; discussed ground state J, π and configuration. Comparison with shell model calculations, and with structures of N=53 nuclei 83Zn and 85Ge. NUCLEAR STRUCTURE 83Zn, 85Ge, 87Se; calculated levels, J, π using shell model. Comparison with experimental data.
doi: 10.1103/PhysRevC.92.054318
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
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
2015MI07 Acta Phys.Pol. B46, 717 (2015) Beta-delayed Neutron Energy Spectrum Calculated in Effective Density Model RADIOACTIVITY 85As, 87Br, 136Te, 137I(β-n); calculated delayed neutron spectra, σ. Comparison with experimental data.
doi: 10.5506/APhysPolB.46.717
2015MI08 Acta Phys.Pol. B46, 725 (2015) Mean Lifetime Measurements in Low-statistics Experiments
doi: 10.5506/APhysPolB.46.725
2015PF01 Phys.Rev. C 92, 014316 (2015) M.Pfutzner, W.Dominik, Z.Janas, C.Mazzocchi, M.Pomorski, A.A.Bezbakh, M.J.G.Borge, K.Chrapkiewicz, V.Chudoba, R.Frederickx, G.Kaminski, M.Kowalska, S.Krupko, M.Kuich, J.Kurcewicz, A.A.Lis, M.V.Lund, K.Miernik, J.Perkowski, R.Raabe, G.Randisi, K.Riisager, S.Sambi, O.Tengblad, F.Wenander β decay of 6He into the α+d continuum RADIOACTIVITY 6He(β-)[from U(p, X), E=1.4 GeV at CERN-ISOLDE]; measured Eβ, Eα, Ed, E(α+d) using gaseous optical time projection chamber (OTPC) at REX-ISOLDE facility; deduced position distribution of 6He decay events, α+d decay branching ratio, transition probability of α+d branch as a function of (α+d) energy and compared with theoretical three-body model.
doi: 10.1103/PhysRevC.92.014316
2015UT02 Phys.Rev. C 92, 034609 (2015) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Sabelnikov, G.K.Vostokin, J.H.Hamilton, M.A.Stoyer, S.Y.Strauss Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239, 240Pu + 48Ca reactions NUCLEAR REACTIONS 240Pu(48Ca, 3n)285Fl, E=245, 250 MeV; 240Pu(48Ca, 4n)284Fl, E=245, 250 MeV; 239Pu(48Ca, 3n)284Fl, E=245 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ using DGFRS separator at U400 cyclotron facility of FLNR-JINR. Decay studies. Super heavy nuclei. Systematics of cross sections. RADIOACTIVITY 284Fl(SF), 285Fl(α)[from 239,240Pu(48Ca, xn), E=245, 250 MeV]; 281Cn, 277Ds, 273Hs, 269Sg(α), 265Rf[from 285Fl α decay chain]; measured EER, Eα, ESF, T1/2; deduced Q(α). Systematics of SF half-lives and α-decay energies.
doi: 10.1103/PhysRevC.92.034609
2014BA18 Phys.Rev. C 89, 054321 (2014) J.C.Batchelder, N.T.Brewer, C.J.Gross, R.Grzywacz, J.H.Hamilton, M.Karny, A.Fijalkowska, S.H.Liu, K.Miernik, S.W.Padgett, S.V.Paulauskas, K.P.Rykaczewski, A.V.Ramayya, D.W.Stracener, M.Wolinska-Cichocka Structure of low-lying states in 124, 126Cd populated by β decay of 124, 126Ag RADIOACTIVITY 124,124m,126,126mAg(β-)[from 238U(p, X), E=50 MeV]; measured Eγ, Iγ, γγ-, γ(ce)-coin, half-lives at LeRIBSS-HRIBF-ORNL facility. 124,126Cd; deduced levels, isomers, J, π, β feedings, configurations. Systematics of level structures and B(E2) values in A=110-126 even-even Cd isotopes. Excited 0+ and possible multi-phonon states.
doi: 10.1103/PhysRevC.89.054321
2014FI09 Acta Phys.Pol. B45, 545 (2014) A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, L.Cartegni, K.C.Goetz, R.Goans, C.Jost, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, E.Spejewski, J.H.Hamilton, A.V.Ramayya First Results from the Modular Total Absorption Spectrometer at the HRIBF RADIOACTIVITY 86Br(β-); measured decay products, Eγ, Iγ; deduced γ-ray energies. Comparison with ENSDF database.
doi: 10.5506/APhysPolB.45.545
2014FI11 Nucl.Data Sheets 120, 26 (2014) A.Fijalkowska, M.Karny, K.P.Rykaczewski, M.Wolinska-Cichocka, R.Grzywacz, C.J.Gross, J.W.Johnson, B.C.Rasco, E.F.Zganjar, D.W.Stracener, C.Jost, K.C.Goetz, R.Goans, E.Spejewski, L.Cartegni, M.Madurga, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, M.Al-Shudifat, J.H.Hamilton, A.V.Ramayya First Results from the Modular Total Absorption Spectrometer at the HRIBF RADIOACTIVITY 139Xe, 89Kr(β-) [from 238U(p, X), E=40 MeV]; measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced β-feeding intensity, level structure, average electromagnetic energy released per decay.
doi: 10.1016/j.nds.2014.06.132
2014GR03 Acta Phys.Pol. B45, 217 (2014) R.Grzywacz, K.P.Rykaczewski, C.J.Gross, M.Madurga, K.Miernik, D.T.Miller, S.V.Paulauskas, S.W.Padgett, C.Rasco, M.Wolinska-Cichocka, E.F.Zganjar Hybrid-3Hen - New Detector for Gammas and Neutrons RADIOACTIVITY 86Ga(β-2n); measured decay products, Eγ, Iγ, Eβ, Iβ, En, In; deduced beta-delayed two neutron emission branching ratio.
doi: 10.5506/APhysPolB.45.217
2014KH04 Phys.Rev.Lett. 112, 172501 (2014) J.Khuyagbaatar, A.Yakushev, C.E.Dullmann, D.Ackermann, L.-L.Andersson, M.Asai, M.Block, R.A.Boll, H.Brand, D.M.Cox, M.Dasgupta, X.Derkx, A.Di Nitto, K.Eberhardt, J.Even, M.Evers, C.Fahlander, U.Forsberg, J.M.Gates, N.Gharibyan, P.Golubev, K.E.Gregorich, J.H.Hamilton, W.Hartmann, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, J.Hoffmann, R.Hollinger, A.Hubner, E.Jager, B.Kindler, J.V.Kratz, J.Krier, N.Kurz, M.Laatiaoui, S.Lahiri, R.Lang, B.Lommel, M.Maiti, K.Miernik, S.Minami, A.Mistry, C.Mokry, H.Nitsche, J.P.Omtvedt, G.K.Pang, P.Papadakis, D.Renisch, J.Roberto, D.Rudolph, J.Runke, K.P.Rykaczewski, L.G.Sarmiento, M.Schadel, B.Schausten, A.Semchenkov, D.A.Shaughnessy, P.Steinegger, J.Steiner, E.E.Tereshatov, P.Thorle-Pospiech, K.Tinschert, T.Torres De Heidenreich, N.Trautmann, A.Turler, J.Uusitalo, D.E.Ward, M.Wegrzecki, N.Wiehl, S.M.Van Cleve, V.Yakusheva 48Ca + 249Bk Fusion Reaction Leading to Element Z=117: Long-Lived α-Decaying 270Db and Discovery of 266Lr NUCLEAR REACTIONS 249Bk(48Ca, X)294Ts, E=268.3, 270.2, 274.1 MeV; measured reaction products, Eα, Iα; deduced σ. Comparison with experimental data. RADIOACTIVITY 294Ts, 290Mc, 286Nh, 282Rg, 278Mt, 274Bh, 270Db, 266Lr(α); measured decay products, Eα, Iα; deduced T1/2. Comparison with experimental data.
doi: 10.1103/PhysRevLett.112.172501
2014MI12 Nucl.Data Sheets 120, 56 (2014) K.Miernik, C.J.Gross, R.Grzywacz, M.Madurga, A.J.Mendez II, K.P.Rykaczewski, D.W.Stracener, E.F.Zganjar No Evidence of Isomerism for the First Excited State of 93Rb RADIOACTIVITY 93Kr(β-), 93Rb(IT); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced energy levels, γ-ray energies, lack of isomerism for first excited level in 93Rb. Comparison with available data.
doi: 10.1016/j.nds.2014.07.005
2014MI16 Phys.Rev. C 90, 034311 (2014) K.Miernik, K.P.Rykaczewski, C.J.Gross, R.Grzywacz, M.Madurga, D.Miller, J.C.Batchelder, N.T.Brewer, C.U.Jost, K.Kolos, A.Korgul, C.Mazzocchi, A.J.Mendez, Y.Liu, S.V.Paulauskas, D.W.Stracener, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar Excited states in 82As studied in the decay of 82Ge RADIOACTIVITY 82Ge(β-)[from 83Ga(β-n), 83Ga from U(p, F), E=50 MeV]; measured Eγ, Iγ, βγ-, γγ-coin using RILIS and high-resolution electro-magnetic separator, LeRIBBS facility at HRIBF-ORNL facility. 82As; deduced levels, J, π, isomer, logft. 82,87As, 83Ge(β-); observed γ rays. Comparison with shell model calculations using several different interactions, and with experimental results from 82Se(t, 3He).
doi: 10.1103/PhysRevC.90.034311
2014MI23 Phys.Rev. C 90, 054306 (2014) β-delayed multiple-neutron emission in the effective density model RADIOACTIVITY 71,72Mn, 73,74,75Fe, 76,77Co, 81,82,83Cu, 83,84,85Zn, 87,88Ga, 89,90,91Ge, 90,91As, 95,96Se, 98,99Br, 101,102Kr, 103,104Rb, 106,107Sr, 108,109Y, 111,112Zr, 114Nb, 117,118Mo, 120,121Tc, 125Ru, 126Rh, 133,134Cd, 135,136,137In, 138,139Sn, 140,141Sb, 143Te, 144I(β-n), (β-2n); 83Cu, 87,88Ga, 137In(β-3n); calculated β-delayed-neutron emission probabilities P1n, P2n and P3n. Z=2-90, N=4-150(β-n), (β-2n), (β-3n); calculated β-delayed-neutron emission probabilities P1n, P2n and P3n for 1293 nuclei. Effective density model for β-delayed-neutron emission and HFB-21 mass model for masses and Q values. 81,82,83,84,85,86,87,88Ga, 130,131,132,133,134,135,136,137,138In(β-n), (β-2n), (β-3n); calculated β-delayed-neutron emission probabilities P1n, P2n and P3n. Comparison with FRDM+QRPA calculations and available experimental results.
doi: 10.1103/PhysRevC.90.054306
2014PO05 Phys.Rev. C 90, 014311 (2014) M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, A.Stolz, T.Baumann, J.S.Berryman, H.Czyrkowski, R.Dabrowski, A.Fijalkowska, T.Ginter, J.Johnson, G.Kaminski, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Paulauskas, J.Pereira, K.P.Rykaczewski, S.Suchyta Proton spectroscopy of 48Ni, 46Fe, and 44Cr RADIOACTIVITY 48Ni(2p); 44Cr, 46Fe(β+p); 46Fe(β+2p); [44Cr, 46Fe, 48Ni activities from Ni(58Ni, X), E=160 MeV/nucleon]; measured Ep, Ip, half-lives of ground states of 44Cr, 46Fe, 48Ni, proton branching ratios using an optical time projection chamber (OPTC). Reconstruction of the four 2p-decay events from decay of 48Ni; deduced Q(2p). Comparison previous experimental results. NUCLEAR REACTIONS Ni(58Ni, X)44Cr/46Fe/48Ni, E=160 MeV/nucleon; measured fragment spectra, time-of-flight, energy loss and production σ using A1900 separator and standard acquisition system at NSCL-MSU facility. LISE++ analysis. Comparison with EPAX-3 and EPAX-2.1 parametrizations.
doi: 10.1103/PhysRevC.90.014311
2014RA20 J.Phys.(London) G41, 115104 (2014) M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger β decay of 72Co and microsecond isomers in even-mass neutron-rich nickel isotopes RADIOACTIVITY 72Co(β-) [from 9Be(86Kr, X), E=140 MeV/nucleon]; measured decay products, Eγ, Iγ. 76Ni; deduced energy levels, J, π, isomeric state T1/2. Comparison with shell model calculations, available data.
doi: 10.1088/0954-3899/41/11/115104
2013KO31 Phys.Rev. C 88, 044330 (2013) A.Korgul, K.P.Rykaczewski, R.Grzywacz, H.Sliwinska, J.C.Batchelder, C.Bingham, I.N.Borzov, N.Brewer, L.Cartegni, A.Fijalkowska, C.J.Gross, J.H.Hamilton, C.Jost, M.Karny, W.Krolas, S.Liu, C.Mazzocchi, M.Madurga, A.J.Mendez, K.Miernik, D.Miller, S.Padgett, S.Paulauskas, D.Shapira, D.Stracener, K.Sieja, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar Experimental study of the β-γ and β-nγ decay of the neutron-rich nucleus 85Ga RADIOACTIVITY 85Ga(β-), (β-n)[from 238U(p, X), E=54 MeV]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of 85Ga isotope using LeRIBSS system and high-resolution on-line mass separator at HRIBF-ORNL facility. 84,85Ge; deduced levels, J, π. Systematics of first 5/2+ and 3/2+ excited states in N=53 nuclei 85Ge, 87Se, 89Kr, 91Sr, 93Sr. Comparison of level structure with shell-model calculations. Comparison of β-γ and β-n-γ decay branches with DF3a+CQRPA calculations. 84,85Ge, 84As(β-); observed γ rays. NUCLEAR STRUCTURE 83,84,85Ge; calculated levels, J, π. Comparison with experimental data.
doi: 10.1103/PhysRevC.88.044330
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
2013MI03 Acta Phys.Pol. B44, 483 (2013) Mass Determination of Two-proton Radioactive Nuclides ATOMIC MASSES 45Fe, 48Ni, 54Zn, 45Cr; calculated atomic masses using two-proton decay energies. Comparison with available data.
doi: 10.5506/APhysPolB.44.483
2013MI13 Phys.Rev. C 88, 014309 (2013) K.Miernik, K.P.Rykaczewski, R.Grzywacz, C.J.Gross, D.W.Stracener, J.C.Batchelder, N.T.Brewer, L.Cartegni, A.Fijalkowska, J.H.Hamilton, J.K.Hwang, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, S.H.Liu, M.Madurga, C.Mazzocchi, A.J.Mendez, D.Miller, S.W.Padgett, S.V.Paulauskas, A.V.Ramayya, R.Surman, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar β-decay study of neutron-rich bromine and krypton isotopes RADIOACTIVITY 93Br, 93,94Kr(β-), (β-n)[from 238U(p, F), E=50 MeV]; measured Eβ, Eγ, Iγ, βγ-, γγ-coin, T1/2, delayed neutron emission probability P(n) using LeRIBSS system at HRIBF facility. 92,93Kr; deduced levels, J, π. 92Rb, 93Y(β-); observed gamma rays. Comparison of half-lives and P(n) values with previous experimental studies, and with model predictions.
doi: 10.1103/PhysRevC.88.014309
2013MI19 Phys.Rev.Lett. 111, 132502 (2013) K.Miernik, K.P.Rykaczewski, C.J.Gross, R.Grzywacz, M.Madurga, D.Miller, J.C.Batchelder, I.N.Borzov, N.T.Brewer, C.Jost, A.Korgul, C.Mazzocchi, A.J.Mendez, II, Y.Liu, S.V.Paulauskas, D.W.Stracener, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar Large β-Delayed One and Two Neutron Emission Rates in the Decay of 86Ga RADIOACTIVITY 86Ga(β-), (β-n), (β-2n); measured decay products, Eγ, Iγ, En, In, Eβ, Iβ, βγ-, β-n-γ- and β-n-n-coin.; deduced T1/2, neutron beta-delayed neutron branching ratios, a quick onset of deformation. Comparison with available data.
doi: 10.1103/PhysRevLett.111.132502
2013MI23 Phys.Rev. C 88, 041301 (2013) Phenomenological model of β-delayed neutron-emission probability RADIOACTIVITY Z=5-57, N=10-95(β-n); analyzed delayed neutron emission probabilities Pn by a phenomenological model based on an effective level density description for even-even, odd, and odd-odd nuclei. Comparison with KHF and Pn/T1/2 systematics, Gross theory, and QRPA calculations.
doi: 10.1103/PhysRevC.88.041301
2013OG04 Phys.Rev. C 87, 054621 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Experimental studies of the 249Bk+48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV; measured σ(E) for production of 293,294Ts using DGFRS separator at FLNR, JINR facility. Comparison with theoretical calculations. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 281,282Rg, 278Mt, 274Bh(α)[from α decay chains of 293Ts and 294Ts formed in 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV]; measured Eα, Iα, half-lives. 270Db, 277Mt, 281Rg(SF); measured decay energy, half-lives. 281Rg(α), (SF); measured α/SF branching ratio. 277Mt; identified new isotope. Systematics of Q(α), SF- and α-decay half-lives for isotopes in Z=104-117, N=150-177 regions.
doi: 10.1103/PhysRevC.87.054621
2012BA62 J.Phys.:Conf.Ser. 387, 012005 (2012) J.C.Batchelder, N.T.Brewer, C.J.Gross, R.Grzywacz, J.H.Hamilton, M.Karny, A.Kuzniak, M.F.Madurga, A.J.Mendez, S.H.Liu, K.Miernik, D.Miller, S.W.Padgett, S.V.Paulauskas, K.P.Rykaczewski, A.V.Ramayya, D.W.Stracener, M.Wolinska-Cichocka, E.F.Zganjar Systematics of Low Energy Collective States in neutron-rich Cd Isotopes NUCLEAR REACTIONS 238U(p, F), E=40 MeV. 120,124,126Ag measured β-decay, Eγ, Iγ, γγ-coin. 120,124,126Cd deduced levels, J, π, γ transitions, significant mixing with intruder states, deviations from U(5) dynamical symmetry.
doi: 10.1088/1742-6596/387/1/012005
2012MA37 Phys.Rev.Lett. 109, 112501 (2012) M.Madurga, R.Surman, I.N.Borzov, R.Grzywacz, K.P.Rykaczewski, C.J.Gross, D.Miller, D.W.Stracener, J.C.Batchelder, N.T.Brewer, L.Cartegni, J.H.Hamilton, J.K.Hwang, S.H.Liu, S.V.Ilyushkin, C.Jost, M.Karny, A.Korgul, W.Krolas, A.Kuzniak, C.Mazzocchi, A.J.Mendez, K.Miernik, W.Padgett, S.V.Paulauskas, A.V.Ramayya, J.A.Winger, M.Wolinska-Cichocka, E.F.Zganjar New Half-lives of r-process Zn and Ga Isotopes Measured with Electromagnetic Separation RADIOACTIVITY 82,83Zn, 85Ga(β-); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced T1/2. Comparison with FRDM, QRPA, density functional calculations.
doi: 10.1103/PhysRevLett.109.112501
2012OG06 Phys.Rev.Lett. 109, 162501 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Production and Decay of the Heaviest Nuclei 293, 294117 and 294118 NUCLEAR REACTIONS 249Bk(48Ca, X)293Ts/294Ts, E=247, 252 MeV; 249Cf(48Ca, 3n)294Og, E=245, 251 MeV; measured reaction products, Eα, Iα; deduced average σ, T1/2. Comparison with available data. RADIOACTIVITY 294Og, 293,294Ts, 290Lv, 289,290Mc(α), 286Fl(α), (SF), 285,286Nh(α), 282Cn(SF), 281Rg(SF), 282Rg(α), 278Mt, 274Bh(α), 270Db(SF); measured decay products, Eα, Iα; deduced discovery z=117 element, T1/2, decay branch, Q-values. Comparison with available data.
doi: 10.1103/PhysRevLett.109.162501
2012PO03 Acta Phys.Pol. B43, 267 (2012) M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, T.Baumann, J.Berryman, H.Czyrkowski, R.Dabrowski, T.Ginter, L.Grigorenko, J.Johnson, G.Kaminski, A.Kuzniak, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Palauskas, J.Pereira, K.P.Rykaczewski, A.Stolz, S.Suchyta Studies of 48Ni Using the Optical Time Projection Chamber RADIOACTIVITY 48Ni(2p) [from Ni(58Ni, X)48Ni/46Fe/44Cr, E=160 MeV/nucleon]; measured decay products, Ep, Ip; deduced proton energy distribution, T1/2. NUCLEAR REACTIONS Ni(58Ni, X)48Ni/46Fe/44Cr, E=160 MeV/nucleon; measured reaction products. 48Ni; deduced production σ.
doi: 10.5506/APhysPolB.43.267
2012RA10 Phys.Rev. C 85, 034326 (2012) M.M.Rajabali, R.Grzywacz, S.N.Liddick, C.Mazzocchi, J.C.Batchelder, T.Baumann, C.R.Bingham, I.G.Darby, T.N.Ginter, S.V.Ilyushkin, M.Karny, W.Krolas, P.F.Mantica, K.Miernik, M.Pfutzner, K.P.Rykaczewski, D.Weisshaar, J.A.Winger β decay of 71, 73Co: Probing single-particle states approaching doubly magic 78Ni RADIOACTIVITY 71,73Co(β-)[from 9Be(86Kr, X), E=140 MeV/nucleon]; measured Eγ, Iγ, Eβ, Iβ, γγ-, βγ-, (implant ions)βγ-coin, half-lives, β-delayed neutron probability. SeGA array. 71,73Ni; deduced levels, J, π, logft values, isomer, three-particle cluster states. Comparisons with shell-model calculations, and with 69Co to 69Ni decay scheme. NUCLEAR STRUCTURE 69,71,73,75,77Ni; calculated levels, J, π, and configuration amplitudes using shell model with NR78 interaction. Three-nucleon/hole cluster effect.
doi: 10.1103/PhysRevC.85.034326
2011PO01 Phys.Rev. C 83, 014306 (2011) M.Pomorski, K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz β-delayed proton emission branches in 43Cr RADIOACTIVITY 43Cr(β+), 43Cr(β+p), 43Cr(β+2p), 43Cr(β+3p); measured Ep, Ip, branching ratio for different decay modes, half-life. No evidence found for delayed 3-proton decay mode.
doi: 10.1103/PhysRevC.83.014306
2011PO09 Phys.Rev. C 83, 061303 (2011) M.Pomorski, M.Pfutzner, W.Dominik, R.Grzywacz, T.Baumann, J.S.Berryman, H.Czyrkowski, R.Dabrowski, T.Ginter, J.Johnson, G.Kaminski, A.Kuzniak, N.Larson, S.N.Liddick, M.Madurga, C.Mazzocchi, S.Mianowski, K.Miernik, D.Miller, S.Paulauskas, J.Pereira, K.P.Rykaczewski, A.Stolz, S.Suchyta First observation of two-proton radioactivity in 48Ni RADIOACTIVITY 48Ni(2p), (β+p)[from Ni(58Ni, X), E=160 MeV/nucleon]; measured E(p), I(p), time-of-flight using optical time-projection chamber (OPTC), half-life; deduced branching ratios for the two-proton and delayed-proton decay modes. 46Fe(β+p); measured E(p), I(p).
doi: 10.1103/PhysRevC.83.061303
2010GR06 Phys.Rev. C 82, 014615 (2010) L.V.Grigorenko, I.A.Egorova, M.V.Zhukov, R.J.Charity, K.Miernik Two-proton radioactivity and three-body decay. V. Improved momentum distributions RADIOACTIVITY 6Be, 19Mg, 54Fe(2p); calculated classical trajectories, energy distribution, momentum density distribution contour maps, angular distributions and inclusive energies for true three-body decays. Exactly solvable semianalytical models with simplified three-body Hamiltonians. Discussed effect of screening by atomic electrons. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.014615
2010MI01 Acta Phys.Pol. B41, 449 (2010) S.Mianowski, H.Czyrkowski, R.Dabrowski, W.Dominik, Z.Janas, K.Miernik, M.Pfutzner, A.S.Fomichev, M.S.Golovkov, L.V.Grigorenko, S.A.Krupko, S.I.Sidorchuk, R.S.Slepnev, S.V.Stepantsov, G.M.Ter-Akopian Imaging the Decay of 8He RADIOACTIVITY 8He(β-) [from C(11B, X)8He, E=33 MeV/nucleon];measured recoils, β-delayed decays, Eα, Iα, It, Et, In, En; deduced feasibility of β-decay studies of 8He.
2009GR07 Phys.Lett. B 677, 30 (2009) L.V.Grigorenko, T.D.Wiser, K.Miernik, R.J.Charity, M.Pfutzner, A.Banu, C.R.Bingham, M.Cwiok, I.G.Darby, W.Dominik, J.M.Elson, T.Ginter, R.Grzywacz, Z.Janas, M.Karny, A.Korgul, S.N.Liddick, K.Mercurio, M.Rajabali, K.Rykaczewski, R.Shane, L.G.Sobotka, A.Stolz, L.Trache, R.E.Tribble, A.H.Wuosmaa, M.V.Zhukov Complete correlation studies of two-proton decays: 6Be and 45Fe NUCLEAR REACTIONS 1H(10B, n), E not given; Ni(58Ni, X)45Fe, E=161 MeV/nucleon; measured Ep, Ip, Eα, Iα, product energy and angular correlation distributions in a kinematically complete experiment. Comparison with three-body cluster model. RADIOACTIVITY 6Be, 45Fe(2p); measured energy and angular correlation distributions.
doi: 10.1016/j.physletb.2009.04.085
2009MI29 Eur.Phys.J. A 42, 431 (2009) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Two-proton radioactivity of 45Fe NUCLEAR REACTIONS Ni(58Ni, X)45Fe, E=161 MeV/nucleon; measured p-spectra, α-spectra, (recoil)p-coin, recoil energy and angular correlation in a kinematically complete experiment. 45Fe; deduced T1/2, branching ratios. Comparison with three-body model. TOF with Optical Time Projection Chamber. RADIOACTIVITY 45Fe(2p), (β+) [from Ni(58Ni, X), E=161 MeV/nucleon]; 43Cr(β+); measured p-spectra; deduced T1/2, branching ratios.
doi: 10.1140/epja/i2009-10781-x
2008MI03 Acta Phys.Pol. B39, 477 (2008) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.Bingham, H.Czyrkowski, M.Cwiok, I.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Studies of Charged Particle Emission in the Decay of 45Fe RADIOACTIVITY 45Fe(2p), (β+p), (β+2p), (β+3p); measured Ep, Ip, delayed proton angular and energy correlations.
2007KA15 Eur.Phys.J. A 31, 319 (2007) O.Kavatsyuk, C.Mazzocchi, Z.Janas, A.Banu, L.Batist, F.Becker, A.Blazhev, W.Bruchle, J.Doring, T.Faestermann, M.Gorska, H.Grawe, A.Jungclaus, M.Karny, M.Kavatsyuk, O.Klepper, R.Kirchner, M.La Commara, K.Miernik, I.Mukha, C.Plettner, A.Plochocki, E.Roeckl, M.Romoli, K.Rykaczewski, M.Schadel, K.Schmidt, R.Schwengner, J.Zylicz Beta decay of 101Sn RADIOACTIVITY 101Sn(β+), (EC), (β+p) [from 50Cr(58Ni, 3nα)]; measured β-delayed Ep, Eγ, γγ-coin, T1/2. 101Sn deduced ground-state J, π. 101In deduced transitions. Mass separator. NUCLEAR REACTIONS 50Cr(58Ni, 3nα), E=4.9, 5.2 MeV/nucleon; measured delayed Ep; deduced σ. Mass separator.
doi: 10.1140/epja/i2006-10217-3
2007MI36 Phys.Rev. C 76, 041304 (2007) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz First observation of beta-delayed three-proton emission in 45Fe RADIOACTIVITY 45Fe(2p), (β+), (β+p), (β+2p), (β+3p), (β+4p); measured decay branches, half-lives, partial half-lives.
doi: 10.1103/PhysRevC.76.041304
2007MI40 Phys.Rev.Lett. 99, 192501 (2007) K.Miernik, W.Dominik, Z.Janas, M.Pfutzner, L.Grigorenko, C.R.Bingham, H.Czyrkowski, M.Cwiok, I.G.Darby, R.Dabrowski, T.Ginter, R.Grzywacz, M.Karny, A.Korgul, W.Kusmierz, S.N.Liddick, M.Rajabali, K.Rykaczewski, A.Stolz Two-Proton Correlations in the Decay of 45Fe RADIOACTIVITY 45Fe(2p) [from Ni(58Ni, X), E=161 MeV/nucleon]; measured proton energies, angular correlations, branching ratio, and half-life.
doi: 10.1103/PhysRevLett.99.192501
2006KA16 Eur.Phys.J. A 27, 129 (2006) M.Karny, L.Batist, A.Banu, F.Becker, A.Blazhev, B.A.Brown, W.Bruchle, J.Doring, T.Faestermann, M.Gorska, H.Grawe, Z.Janas, A.Jungclaus, M.Kavatsyuk, O.Kavatsyuk, R.Kirchner, M.La Commara, S.Mandal, C.Mazzocchi, K.Miernik, I.Mukha, S.Muralithar, C.Plettner, A.Plochocki, E.Roeckl, M.Romoli, K.Rykaczewski, M.Schadel, K.Schmidt, R.Schwengner, J.Zylicz Beta decay of the proton-rich nuclei 102Sn and 104Sn RADIOACTIVITY 102,104Sn(EC), (β+) [from 50Cr(58Ni, X), E=284-302 MeV]; measured Eβ, Iβ, β-delayed Eγ, Iγ, βγ-, γγ-coin; deduced Gamow-Teller strength. 102,104In deduced levels, J, π. Mass separated source, total absorption spectrometer.
doi: 10.1140/epja/i2005-10258-0
2005JA03 Eur.Phys.J. A 23, 197 (2005) Z.Janas, C.Mazzocchi, L.Batist, A.Blazhev, M.Gorska, M.Kavatsyuk, O.Kavatsyuk, R.Kirchner, A.Korgul, M.La Commara, K.Miernik, I.Mukha, A.Plochocki, E.Roeckl, K.Schmid Measurements of 110Xe and 106Te decay half-lives RADIOACTIVITY 110Xe, 106Te(α) [from 58Ni(58Ni, 2nα) and subsequent decay]; measured Eα, T1/2; deduced α-decay widths. Mass separator.
doi: 10.1140/epja/i2004-10076-x
2005KA47 Eur.Phys.J. A 25, Supplement 1, 135 (2005) M.Karny, L.Batist, A.Banu, F.Becker, A.Blazhev, K.Burkard, W.Bruchle, J.Doring, T.Faestermann, M.Gorska, H.Grawe, Z.Janas, A.Jungclaus, M.Kavatsyuk, O.Kavatsyuk, R.Kirchner, M.La Commara, S.Mandal, C.Mazzocchi, K.Miernik, I.Mukha, S.Muralithar, C.Plettner, A.Plochocki, E.Roeckl, M.Romoli, K.Rykaczewski, M.Schadel, K.Schmidt, R.Schwengner, J.Zylicz Beta-decay studies near 100Sn RADIOACTIVITY 102Sn(β+) [from 58Ni(50Cr, X)]; measured Eγ, Iγ, γγ-coin, Eβ, B(GT). 102In levels deduced β-feeding intensities, log ft, hindrance factor. 100Sn(β+); analyzed data; deduced B(GT), hindrance factor. NUCLEAR REACTIONS 58Ni(50Cr, X)101Sn/102Sn/103Sn/104Sn/105Sn, E ≈ 5 MeV/nucleon; measured production σ. 58Ni(50Cr, X)100Sn, E=5.8 MeV/nucleon; deduced approximate production σ.
doi: 10.1140/epjad/i2005-06-037-9
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