NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = J.Aysto Found 333 matches. Showing 1 to 100. [Next]2023NI10 Phys.Rev.Lett. 131, 222503 (2023) L.Nies, L.Canete, D.D.Dao, S.Giraud, A.Kankainen, D.Lunney, F.Nowacki, B.Bastin, M.Stryjczyk, P.Ascher, K.Blaum, R.B.Cakirli, T.Eronen, P.Fischer, M.Flayol, V.Girard Alcindor, A.Herlert, A.Jokinen, A.Khanam, U.Koster, D.Lange, I.D.Moore, M.Muller, M.Mougeot, D.A.Nesterenko, H.Penttila, C.Petrone, I.Pohjalainen, A.de Roubin, V.Rubchenya, Ch.Schweiger, L.Schweikhard, M.Vilen, J.Aysto Further Evidence for Shape Coexistence in 79Znm near Doubly Magic 78Ni ATOMIC MASSES 79Zn; measured frequencies, TOF; deduced the excitation energy of the 1/2+ isomer, the bandhead of a low-lying deformed structure akin to a predicted low-lying deformed band, shape coexistence. Comparison with state-of-the-art shell-model diagonalizations, complemented with discrete nonorthogonal shell-model calculations. The time-of-flight ion cyclotron resonance (TOF-ICR) method, the JYFLTRAP double Penning trap at the ion guide isotope separator on-line (IGISOL) facility in Jyvaskyla (Finland), and the multi-reflection time-of-flight mass spectrometer (MR-TOF MS) of ISOLTRAP at ISOLDE at CERN (Switzerland).
doi: 10.1103/PhysRevLett.131.222503
2022GA10 Eur.Phys.J. A 58, 27 (2022) Z.Gao, A.Al-Adili, L.Canete, T.Eronen, D.Gorelov, A.Kankainen, M.Lantz, A.Mattera, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, S.Pomp, V.Rakopoulos, S.Rinta-Antila, M.Vilen, J.Aysto, A.Solders Benchmark of a multi-physics Monte Carlo simulation of an ion guide for neutron-induced fission products NUCLEAR REACTIONS U(n, F), Ti(n, X), E<30 MeV; measured reaction products, Eγ, Iγ. 95Zr, 95Nb, 99Mo, 103Ru, 127Sb, 131,132I, 140Ba, 140La, 141Ce, 143Ce, 147Nd, 46Sc, 47Ca, 48Sc, 237U; deduced R values for each observed γ-ray transition belonging to fission products. Comparison with GEF, MCNPX and Geant4 calculations. The University of Jyvaskyla, the Ion Guide Isotope Separator On-Line (IGISOL) technique.
doi: 10.1140/epja/s10050-022-00676-z
2022GI08 Phys.Lett. B 833, 137309 (2022) S.Giraud, L.Canete, B.Bastin, A.Kankainen, A.F.Fantina, F.Gulminelli, P.Ascher, T.Eronen, V.Girard Alcindor, A.Jokinen, A.Khanam, I.D.Moore, D.A.Nesterenko, F.de Oliveira Santos, H.Penttila, C.Petrone, I.Pohjalainen, A.De Roubin, V.A.Rubchenya, M.Vilen, J.Aysto Mass measurements towards doubly magic 78Ni: Hydrodynamics versus nuclear mass contribution in core-collapse supernovae ATOMIC MASSES 74,75Ni, 76,76m,77,78Cu, 79,79mZn; measured cyclotron resonance frequencies using time-of-flight ion-cyclotron-resonance (TOF-ICR) technique at the ISISOL-JYFLTRAP facility of the University of Jyvaskyla; deduced mass excesses, and compared with previously available experimental values and with AME2020 evaluation. Isotopes produced in U(p, F), E=35 MeV at the Ion-Guide Isotope Separator On-Line (IGISOL) facility in Jyvaskyla, followed by mass separation of fission fragments. Z=26-39, N=44-51; systematics of experimental and theoretical values of two-neutron shell-gap energies.
doi: 10.1016/j.physletb.2022.137309
2022GU09 Phys.Rev. C 106, 014306 (2022) V.Guadilla, L.Le Meur, M.Fallot, J.A.Briz, M.Estienne, L.Giot, A.Porta, A.Cucoanes, T.Shiba, A.-A.Zakari-Issoufou, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, I.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, A.A.Sonzogni Total absorption γ-ray spectroscopy of the β decays of 96gs, mY RADIOACTIVITY 96,96mY(β-)[from U(p, F), followed by separation of fragments using IGISOL-JYFLTRAP double Penning trap system]; measured Eγ, Iγ, total absorption γ-spectrum (TAGS), βγ-coin using 18 NaI(Tl) crystals and a thin plastic β detector, fission products 96Sr, 96Y and 96mY, conversion electrons from the E0 g.s. transition from the 0+ excited state in 96Zr; deduced electron spectrum from a Monte Carlo simulation, experimental module-multiplicity-gated TAGS spectra, β-feedings to the g.s. and excited levels in 96Zr listed in the Supplemental Material of the paper, average γ , β, and conversion electron energies. Comparison with β feedings in the 96Y and 96mY decay datasets in the ENSDF database. Comparison of average γ , β, and conversion electron energies with those in the ENDF/B-VII.1 and JEFF-3.3 databases. 235U; deduced reactor antineutrino spectrum. 96mY; deduced as a major contributor to reactor decay heat in uranium-plutonium and thorium-uranium fuels around 10 s after fission pulses from reactor summation calculations.
doi: 10.1103/PhysRevC.106.014306
2020CA08 Phys.Rev. C 101, 041304 (2020), Erratum Phys.Rev. C 103, 029901 (2021) L.Canete, S.Giraud, A.Kankainen, B.Bastin, F.Nowacki, A.Poves, P.Ascher, T.Eronen, V.Alcindor, A.Jokinen, A.Khanam, I.D.Moore, D.A.Nesterenko, F.De Oliveira Santos, H.Penttila, C.Petrone, I.Pohjalainen, A.de Roubin, V.A.Rubchenya, M.Vilen, J.Aysto Precision mass measurements of 67Fe and 69, 70Co: Nuclear structure toward N = 40 and impact on r-process reaction rates ATOMIC MASSES 67Fe, 69,69m,70Co; measured mass excesses using time of flight-ion cyclotron resonance technique with the JYFLTRAP double Penning trap mass spectrometer. 69mCo; deduced level energy of 1/2- intruder state. Comparison with evaluated data in AME2016. Systematics of S(2n) values and two-neutron shell gap parameter for Z=25-28, N=35-45 nuclei. NUCLEAR STRUCTURE 67,69,71Co; calculated levels, J, π using shell-model for the spherical and 1/2- intruder bands. Comparison with experimental data. NUCLEAR REACTIONS 68Fe, 69Co(γ, n), T=0.5-5 GK; calculated astrophysical reaction rates, and mass-related uncertainties for the astrophysical r process calculations.
doi: 10.1103/PhysRevC.101.041304
2020GU26 Phys.Rev. C 102, 064304 (2020) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.A.Briz, A.Cucoanes, M.Estienne, M.Fallot, L.Le Meur, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, E.Nacher, A.A.Sonzogni Determination of β-decay ground state feeding of nuclei of importance for reactor applications RADIOACTIVITY 95Rb, 100,102mNb, 100,103Tc, 137I, 140Cs(β-); measured total absorption gamma spectra (TAGS) and 4πγ-β-coin using 18-fold segmented NaI(Tl) Decay Total Absorption γ-ray Spectrometer (DTAS), and a thick plastic scintillation detector for β radiation at the Ion Guide Isotope Separator On-Line (IGISOL) IV facility of the University of Jyvaskyla; deduced β- feeding to the ground states of daughter nuclei from TAGS as well as 4πγ-β-coin methods, and compared with evaluated data in the ENSDF database, and contribution to the reactor antineutrino spectra of 235U and 239Pu at different energies using the Nantes summation method. 87,88Br, 94Rb(β-); previously measured TAGS data used to standardize analysis procedures and determine various correction factors.
doi: 10.1103/PhysRevC.102.064304
2020NE06 Phys.Lett. B 808, 135642 (2020) D.A.Nesterenko, A.Kankainen, J.Kostensalo, C.R.Nobs, A.M.Bruce, O.Beliuskina, L.Canete, T.Eronen, E.R.Gamba, S.Geldhof, R.de Groote, A.Jokinen, J.Kurpeta, I.D.Moore, L.Morrison, Zs.Podolyak, I.Pohjalainen, S.Rinta-Antila, A.de Roubin, M.Rudigier, J.Suhonen, M.Vilen, V.Virtanen, J.Aysto Three beta-decaying states in 128In and 130In resolved for the first time using Penning-trap techniques ATOMIC MASSES 128,128m,130,130mIn; measured time-of-flight ion cyclotron resonance (TOF-ICR) frequencies for the ground states and two isomers each in 128In and 128In using the JYFLTRAP Penning trap at the IGISOL facility at the University of Jyvaskyla; deduced mass excesses of three beta-decaying states each in 128In and 130In, and energies of respective isomers, configurations. Activities of 128,130In produced as fission products in U(p, F), E=30 MeV at the Ion Guide Isotope Separator On-Line (IGISOL) facility. Comparison with literature values. 128Sn, 128In, 130In; calculated levels, J, π, configurations using shell-model with the effective interaction jj45pna, and compared with experimental data. RADIOACTIVITY 128mIn(β-)[from U(p, F), E=30 MeV at the IGISOL facility]; measured Eγ, Iγ, βγ-coin, half-life of the new (16+) isomer of 128In. 128Sn; deduced levels, J, π. COMPILATION 130,131,132,133,134Te, 129,130,131,132,133Sb, 128,129,130,131,132Sn, 127,128,129,130,131In, 126,127,128,129,130Cd; compiled ground and isomeric states using data from the ENSDF and XUNDL databases, together with results for In isomers in the present work.
doi: 10.1016/j.physletb.2020.135642
2019GU03 Phys.Rev.Lett. 122, 042502 (2019) V.Guadilla, A.Algora, J.L.Tain, M.Estienne, M.Fallot, A.A.Sonzogni, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Large Impact of the Decay of Niobium Isomers on the Reactor ν-bare Summation Calculations RADIOACTIVITY 100,102Nb(β-); measured decay products, Eγ, Iγ. 239,241Pu, 235,238U; deduced β-intensity distributions, potential impact on reactor antineutrino spectra as a function of energy.
doi: 10.1103/PhysRevLett.122.042502
2019GU20 Phys.Rev. C 100, 024311 (2019) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, P.Sarriguren, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Total absorption γ-ray spectroscopy of niobium isomers RADIOACTIVITY 100,100m,102,102mNb, 100,102Zr, 103Tc(β-)[from U(p, F), E=25 MeV at the IGISOL facility and JYFLTRAP double Penning trap system at the university of Jyvaskyla]; measured Eγ, Iγ, Eβ, βγ-coin, total absorption γ spectrum using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced average γ and β energies, impact on antineutrino spectrum summation calculations. Comparison with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1 databases. 100,100mNb, 102Nb(β-); deduced absolute γ-intensities deexciting the main levels in 100,102Mo, and compared to data in the ENSDF database.
doi: 10.1103/PhysRevC.100.024311
2019GU29 Phys.Rev. C 100, 044305 (2019) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, M.Estienne, M.Fallot, L.Le Meur, J.A.Briz, A.Cucoanes, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, A.A.Sonzogni, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez Total absorption γ-ray spectroscopy of the β-delayed neutron emitters 137I and 95Rb RADIOACTIVITY 95Rb, 137I(β-), (β-n)[from U(p, X), E=25 MeV, and separated using IGISOL separator and JYFL trap at Jyvaskyla]; measured Eγ, Iγ, total-absorption γ (TAGS) spectra, β-gated TAGS spectra using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced β-intensity distributions, absolute γ intensities per 100 decays for the main levels populated in daughter nuclei, integral Iβγ or Pγ values above S(n), competition of γ and neutron emissions above S(n) and compared with Hauser-Feshbach calculations, average γ and β energies; evaluated impact of the present results on reactor antineutrino summation calculations. Comparison with previous experimental data, and with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1.
doi: 10.1103/PhysRevC.100.044305
2019KI08 Phys.Rev.Lett. 123, 262701 (2019) O.S.Kirsebom, S.Jones, D.F.Stromberg, G.Martinez-Pinedo, K.Langanke, F.K.Ropke, B.A.Brown, T.Eronen, H.O.U.Fynbo, M.Hukkanen, A.Idini, A.Jokinen, A.Kankainen, J.Kostensalo, I.Moore, H.Moller, S.T.Ohlmann, H.Penttila, K.Riisager, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, W.H.Trzaska, J.Aysto Discovery of an Exceptionally Strong β-Decay Transition of 20F and Implications for the Fate of Intermediate-Mass Stars RADIOACTIVITY 20F(β-) [from 19F(d, X), E=6 MeV]; measured decay products, Eβ, Iβ; deduced transition strength.
doi: 10.1103/PhysRevLett.123.262701
2018BU16 Phys.Rev. C 98, 064320 (2018) B.Bucher, H.Mach, A.Aprahamian, L.M.Robledo, G.S.Simpson, J.Rissanen, D.G.Ghita, B.Olaizola, W.Kurcewicz, J.Aysto, T.Eronen, L.M.Fraile, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, M.Reponen, E.Ruchowska, A.Saastamoinen, M.K.Smith, C.Weber New insights into triaxiality and shape coexistence from odd-mass 109Rh RADIOACTIVITY 109Ru(β-)[from U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-coin, level half-lives using fast timing βγγ(t) technique at the IGISOL facility of University of Jyvaskyla. 109Rh; deduced levels, J, π, B(M1), B(E2). NUCLEAR STRUCTURE 109Rh; calculated potential energy surface (PES) in (β, γ) plane, proton single-particle energies as function of deformation parameters Q0 and γ, minimum energy E(β, γ) for the different blocked configurations using HFB method.
doi: 10.1103/PhysRevC.98.064320
2018CA22 Phys.Rev. C 98, 034310 (2018) R.Caballero-Folch, I.Dillmann, J.Agramunt, J.L.Tain, A.Algora, J.Aysto, F.Calvino, L.Canete, G.Cortes, C.Domingo-Pardo, T.Eronen, E.Ganioglu, W.Gelletly, D.Gorelov, V.Guadilla, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, M.Marta, E.Mendoza, A.Montaner-Piza, I.Moore, C.R.Nobs, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, J.Reinikainen, A.Riego, S.Rinta-Antila, B.Rubio, P.Salvador-Castineira, V.Simutkin, A.Tarifeno-Saldivia, A.Tolosa-Delgado, A.Voss First determination of β-delayed multiple neutron emission beyond A-100 through direct neutron measurement: The P2n value of 136Sb RADIOACTIVITY 136Sb(β-), (β-n), (β-2n), 136Te(β-), (β-n)[from U(p, F), E=25 MeV]; measured Eβ-, Iβ-, E(n), I(n), β- and neutron time correlated events, %β-n (or P1n) for decays of 136Sb and 136Te, and %β-2n (or P2n) for decay of 136Sb using JYFLTRAP Penning trap for isotope separation, plastic scintillator for β detection, and BELEN array of 3He counter tubes for neutron detection at the University of Jyvaskyla accelerator facility. Comparison with previous experimental values, evaluated data, and with several theoretical predictions.
doi: 10.1103/PhysRevC.98.034310
2018MA24 Eur.Phys.J. A 54, 33 (2018) A.Mattera, S.Pomp, M.Lantz, V.Rakopoulos, A.Solders, A.Al-Adili, H.Penttila, I.D.Moore, S.Rinta-Antila, T.Eronen, A.Kankainen, I.Pohjalainen, D.Gorelov, L.Canete, D.Nesterenko, M.Vilen, J.Aysto Production of Sn and Sb isotopes in high-energy neutron-induced fission of natU NUCLEAR REACTIONS U(n, F), E=30 MeV[end energy of white neutron spectrum30 MeV, weighted neutron energy about 12 MeV]; measured Eγ, Iγ. 129,130,131Sn, 130,132Sb; deduced cumulative fission yields, isomeric yield ratios, calculated yields using GEF model. Compared with other data and with ENDF/B-VII.1, JEFF 3.1.1.
doi: 10.1140/epja/i2018-12462-1
2018VI02 Phys.Rev.Lett. 120, 262701 (2018) M.Vilen, J.M.Kelly, A.Kankainen, M.Brodeur, A.Aprahamian, L.Canete, T.Eronen, A.Jokinen, T.Kuta, I.D.Moore, M.R.Mumpower, D.A.Nesterenko, H.Penttila, I.Pohjalainen, W.S.Porter, S.Rinta-Antila, R.Surman, A.Voss, J.Aysto Precision Mass Measurements on Neutron-Rich Rare-Earth Isotopes at JYFLTRAP: Reduced Neutron Pairing and Implications for r-Process Calculations ATOMIC MASSES 156,158Nd, 158,160Pm, 162Sm, 162,163Eu, 163,164,165,166Gd, 164Tb; measured time-of-flight spectra, frequency ratios; deduced mass-excess values. Comparison with AME16 evaluation.
doi: 10.1103/PhysRevLett.120.262701
2017CA09 Acta Phys.Pol. B48, 517 (2017) R.Caballero-Folch, I.Dillmann, J.Agramunt, J.L.Tain, C.Domingo-Pardo, A.Algora, J.Aysto, F.Calvino, L.Canete, G.Cortes, T.Eronen, E.Ganioglu, W.Gelletly, D.Gorelov, V.Guadilla, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, M.Marta, E.Mendoza, A.Montaner-Piza, I.Moore, Ch.Nobs, S.Orrigo, H.Penttila, I.Pohjalainen, J.Reinikainen, A.Riego, S.Rinta-Antila, B.Rubio, P.Salvador-Castineira, V.Simutkin, A.Voss First Evidence of Multiple β-delayed Neutron Emission for Isotopes with A > 100 NUCLEAR REACTIONS 238U(p, x), E=25 MeV; measured (after selecting isotopes of interest) Iβ, β-delayed In, En, In, nn correlations using BELEN neutron detector; deduced the heaviest β2n emitter measured so far, namely 136Sb.
doi: 10.5506/APhysPolB.48.517
2017ER01 Phys.Rev. C 95, 025501 (2017); Pub.Note Phys.Rev. C 102, 039902 (2020) T.Eronen, J.C.Hardy, L.Canete, A.Jokinen, J.Hakala, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, I.M.Murray, H.Penttila, I.Pohjalainen, O.Poleshchuk, J.Reinikainen, S.Rinta-Antila, N.Soukouti, A.Voss, J.Aysto QEC value of the superallowed β emitter 42Sc ATOMIC MASSES 42,42mSc, 42Ca; measured cyclotron frequency ratios using time-of-flight ion-cyclotron resonance (TOF-ICR) technique at IGISOL-JYFLTRAP facility at Jyvaskyla; deduced precise Q values and compared with previous experimental data, precise energy of the 7+ isomeric state in 42Sc; discussed error budgets for Ft values of superallowed β transition in 42Sc.
doi: 10.1103/PhysRevC.95.025501
2017GU07 Acta Phys.Pol. B48, 529 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Study of the β Decay of Fission Products with the DTAS Detector RADIOACTIVITY 103Mo, 103Tc(β-)[from U(p, f) reaction]; measured β-decay of both nuclei using DTAS (segmented Decay Total Absorption Gamma-Ray Spectrometer) detector;deduced mean γ-decay and β-decay energy, new β intensity (at high-energy end) not detected in previous measurements with Ge detectors. Mean energies compared with ENSDF.
doi: 10.5506/APhysPolB.48.529
2017GU17 Phys.Rev. C 96, 014319 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Suhonen, O.Civitarese, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, I.Moore, E.Nacher, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Experimental study of 100Tc β decay with total absorption γ-ray spectroscopy RADIOACTIVITY 100Tc(β-)[from 100Mo(p, n), E=8 MeV]; measured Eγ, Iγ, β spectrum using a vase-shaped plastic scintillator, βγ-coin, total absorption TAGS γ spectra using Decay Total Absorption γ-ray Spectrometer (DTAS), IGISOL-IV mass separator and JYFLTRAP Penning trap at the University of Jyvaskyla cyclotron facility; deduced β-intensity distribution extracted from the TAGS analysis, β feedings to g.s. and excited states of 100Ru, logft. Comparison with high-resolution decay data in the ENSDF database at NNDC-BNL, and with quasiparticle random-phase approximation calculations. Benchmark for calculations of the double β decay of 100Mo.
doi: 10.1103/PhysRevC.96.014319
2017NE05 J.Phys.(London) G44, 065103 (2017) D.A.Nesterenko, A.Kankainen, L.Canete, M.Block, D.Cox, T.Eronen, C.Fahlander, U.Forsberg, J.Gerl, P.Golubev, J.Hakala, A.Jokinen, V.S.Kolhinen, J.Koponen, N.Lalovic, C.Lorenz, I.D.Moore, P.Papadakis, J.Reinikainen, S.Rinta-Antila, D.Rudolph, L.G.Sarmiento, A.Voss, J.Aysto High-precision mass measurements for the isobaric multiplet mass equation at A = 52 ATOMIC MASSES 52Co, 52mCo, 52Fe, 52mFe, 52Mn; measured time-of-flight ion cyclotron resonance spectrum, average cyclotron frequency ratios; deduced mass-excess values. Comparison with Nubase2012 mass values.
doi: 10.1088/1361-6471/aa67ae
2017RI08 Phys.Rev. C 96, 014320 (2017) S.Rice, A.Algora, J.L.Tain, E.Valencia, J.Agramunt, B.Rubio, W.Gelletly, P.H.Regan, A.-A.Zakari-Issoufou, M.Fallot, A.Porta, J.Rissanen, T.Eronen, J.Aysto, L.Batist, M.Bowry, V.M.Bui, R.Caballero-Folch, D.Cano-Ott, V.-V.Elomaa, E.Estevez, G.F.Farrelly, A.R.Garcia, B.Gomez-Hornillos, V.Gorlychev, J.Hakala, M.D.Jordan, A.Jokinen, V.S.Kolhinen, F.G.Kondev, T.Martinez, P.Mason, E.Mendoza, I.Moore, H.Penttila, Zs.Podolyak, M.Reponen, V.Sonnenschein, A.A.Sonzogni, P.Sarriguren Total absorption spectroscopy study of the β decay of 86Br and 91Rb RADIOACTIVITY 86Br, 91Rb(β-)[from U(p, F), E not given, radioactive beams purified by JYFLTRAP Penning trap at Jyvaskyla]; measured Eγ, Iγ, βγ-coin, total absorption gamma spectrum (TAGS) using Valencia-Surrey Total Absorption Spectrometer Rocinante at the IGISOL facility of the University of Jyvaskyla; deduced mean average energy for β particles and γ rays, β spectra, B(GT) strengths, impact of the investigated decays in the prediction of decay heat and antineutrino spectrum from nuclear reactors. Comparison with previous experimental data, with the evaluated high-resolution decay data in the ENSDF database at NNDC-BNL, and with quasiparticle random-phase approximation calculations.
doi: 10.1103/PhysRevC.96.014320
2017UR03 Phys.Rev. C 96, 044333 (2017) W.Urban, M.Czerwinski, J.Kurpeta, T.Rzaca-Urban, J.Wisniewski, T.Materna, L.W.Iskra, A.G.Smith, I.Ahmad, A.Blanc, H.Faust, U.Koster, M.Jentschel, P.Mutti, T.Soldner, G.S.Simpson, J.A.Pinston, G.de France, C.A.Ur, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, J.Rissanen, A.Saastamoinen, J.Szerypo, C.Weber, J.Aysto Shape coexistence in the odd-odd nucleus 98Y: The role of the g9/2 neutron extruder NUCLEAR REACTIONS 235U(n, F), E=cold neutrons from PF1B facility at ILL Grenoble; measured Eγ, Iγ, γγ-coin, delayed γγ-coin, half-lives of several isomers in 98Y using the EXILL array at Grenoble. 98Y; deduced levels, isomers, J, π, bands, configurations, deformed and spherical isomers. RADIOACTIVITY 248Cm, 252Cf(SF); measured Eγ, Iγ, γγ-coin, γγ(θ), γγ-coin with γ rays from fission partner 147La in 248Cm SF decay using Eurogam2 array at Grenoble and Gammasphere array at Argonne. 98Y; deduced levels, J, π, multipolarities. 98Sr, 98,98mY(β-)[from 235U(n, F), E=cold neutrons and using Lohengrin fission-fragment separator]; measured Eγ, Iγ, γγ-coin, γγ(θ), γγ(linear pol), half-lives of decays of 98Sr, 98Y and 98Y isomer, excitation energy of the 2.36-s isomer in 98Y by using JYFLTRAP Penning trap at Jyvaskyla accelerator facility, . 98Y, 98Zr; deduced levels, J, π, multipolarities, mixing ratios, β feedings, logft, configurations. Comparison of negative-parity levels in 98Y with Interacting Boson Fermion Fermion Model (IBFFM) and Quasi-Particle Rotor Model (QPRM) calculations.
doi: 10.1103/PhysRevC.96.044333
2017VA04 Phys.Rev. C 95, 024320 (2017) E.Valencia, J.L.Tain, A.Algora, J.Agramunt, E.Estevez, M.D.Jordan, B.Rubio, S.Rice, P.Regan, W.Gelletly, Z.Podolyak, M.Bowry, P.Mason, G.F.Farrelly, A.Zakari-Issoufou, M.Fallot, A.Porta, V.M.Bui, J.Rissanen, T.Eronen, I.Moore, H.Penttila, J.Aysto, V.-V.Elomaa, J.Hakala, A.Jokinen, V.S.Kolhinen, M.Reponen, V.Sonnenschein, D.Cano-Ott, A.R.Garcia, T.Martinez, E.Mendoza, R.Caballero-Folch, B.Gomez-Hornillos, V.Gorlychev, F.G.Kondev, A.A.Sonzogni, L.Batist Total absorption γ-ray spectroscopy of the β- delayed neutron emitters 87Br, 88Br, and 94Rb RADIOACTIVITY 87,88Br, 94Rb(β-)[from U(p, F), E=25 MeV]; measured β-gated Eγ, Iγ, total absorption γ spectra (TAGS) using Rocinante TAS, IGISOL mass separator and JYFLTRAP Penning Trap at the University of Jyvaskyla cyclotron facility. 87Kr, 88Kr, 94Sr; deduced Iβ, β feedings, average γ- and β-decay energies, gamma-to-neutron branching ratio, reactor decay heat impact, reactor antineutrino spectrum impact. Comparison with previous data, and with Hauser-Feshbach calculations. Tables of the β-intensity distributions deduced in this work are supplied in supplementary file.
doi: 10.1103/PhysRevC.95.024320
2016ER05 Prog.Part.Nucl.Phys. 91, 259 (2016) T.Eronen, A.Kankainen, J.Aysto Ion traps in nuclear physics-Recent results and achievements
doi: 10.1016/j.ppnp.2016.08.001
2016GU22 Nucl.Instrum.Methods Phys.Res. B376, 334 (2016) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, D.Cano-Ott, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.Orrigo, H.Penttila, Zs.Podolyak, I.Pohjalainen, A.Porta, P.Regan, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou First experiment with the NUSTAR/FAIR Decay Total Absorption γ-Ray Spectrometer (DTAS) at the IGISOL IV facility RADIOACTIVITY 137I(β-n); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced mean β- and γ-ray energies, branching ratios. Comparison with ENSDF library.
doi: 10.1016/j.nimb.2015.12.018
2016KA15 Phys.Rev. C 93, 041304 (2016) A.Kankainen, L.Canete, T.Eronen, J.Hakala, A.Jokinen, J.Koponen, I.D.Moore, D.Nesterenko, J.Reinikainen, S.Rinta-Antila, A.Voss, J.Aysto Mass of astrophysically relevant 31Cl and the breakdown of the isobaric multiplet mass equation ATOMIC MASSES 31Cl; measured TOF-ICR spectrum, and mass excess using JYFLTRAP double-Penning-trap mass spectrometer at the IGISOL facility in Jvyaskyla; analyzed isobaric multiplet mass equation (IMME) for T=3/2 quartet for A=31 nuclei 31Cl, 31S, 31P and 31Si; deduced breakdown of the IMME. 31Cl; deduced S(p), levels. NUCLEAR REACTIONS 32S(p, 2n)31Cl, E=40 MeV; measured mass excess of 31Cl at the IGISOL facility in Jvyaskyla. 31Cl(γ, p)30S, T9=0.2-1.4; deduced reaction rates for typical XRB conditions. Relevance to rapid proton capture process in type-I x-ray bursts.
doi: 10.1103/PhysRevC.93.041304
2016PE05 Eur.Phys.J. A 52, 104 (2016) H.Penttila, D.Gorelov, V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, J.Parkkonen, K.Perajarvi, I.Pohjalainen, S.Rahaman, S.Rinta-Antila, J.Rissanen, V.A.Rubchenya, A.Saastamoinen, V.Simutkin, T.Sonoda, C.Weber, A.Voss, J.Aysto Independent isotopic yields in 25 MeV and 50 MeV proton-induced fission of natU NUCLEAR REACTIONS U(p, F), E=25, 50 MeV; measured fission products using JYFLTRAP facility; deduced isotope yields from Zn to La. Compared with other measurements.
doi: 10.1140/epja/i2016-16104-4
2015BU15 Phys.Rev. C 92, 064312 (2015) B.Bucher, H.Mach, A.Aprahamian, G.S.Simpson, J.Rissanen, D.G.Ghita, B.Olaizola, W.Kurcewicz, J.Aysto, I.Bentley, T.Eronen, L.M.Fraile, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, M.Reponen, E.Ruchowska, A.Saastamoinen, M.K.Smith, C.Weber New lifetime measurements in 109Pd and the onset of deformation at N=60 RADIOACTIVITY 109Rh(β-)[from U(p, F), E=30 MeV at IGISOL facility of University of Jyvaskyla]; measured Eγ, Iγ, γγ-, βγγ-coin, level half-lives by fast timing βγγ(t) technique. 109Pd; deduced levels, J, π, configuration, B(M1), B(E2), B(E1); discussed strong pn interaction between πg9/2 and νg7/2 valence nucleons. Systematics of band structures, (d, p) and (d, t) spectroscopic strengths in 101,103,105,107,109,111Pd. Systematics of 7/2+ and 5/2+ states in odd-A Pd, Rh and Ag isotopes.
doi: 10.1103/PhysRevC.92.064312
2015GO14 Bull.Rus.Acad.Sci.Phys. 79, 869 (2015); Izv.Akad.Nauk RAS, Ser.Fiz 79, 963 (2015) D.Gorelov, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, M.Lantz, A.Mattera, I.Moore, H.Penttila, I.Pohjalainen, S.Pomp, M.Reponen, S.Rinta-Antila, V.Rubchenya, A.Saastamoinen, V.Simutkin, A.Solders, V.Sonnenschein, J.Aysto Measuring independent yields of fission products using a penning trap NUCLEAR REACTIONS 232Th(p, F), E=25 MeV; measured fission products; deduced σ, yields. Comparison with FIPRODY model.
doi: 10.3103/S1062873815070114
2015TA17 Phys.Rev.Lett. 115, 062502 (2015) J.L.Tain, E.Valencia, A.Algora, J.Agramunt, B.Rubio, S.Rice, W.Gelletly, P.Regan, A.-A.Zakari-Issoufou, M.Fallot, A.Porta, J.Rissanen, T.Eronen, J.Aysto, L.Batist, M.Bowry, V.M.Bui, R.Caballero-Folch, D.Cano-Ott, V.-V.Elomaa, E.Estevez, G.F.Farrelly, A.R.Garcia, B.Gomez-Hornillos, V.Gorlychev, J.Hakala, M.D.Jordan, A.Jokinen, V.S.Kolhinen, F.G.Kondev, T.Martinez, E.Mendoza, I.Moore, H.Penttila, Zs.Podolyak, M.Reponen, V.Sonnenschein, A.A.Sonzogni Enhanced γ-Ray Emission from Neutron Unbound States Populated in β Decay RADIOACTIVITY 87,88Br, 94Rb(β-), (β-n); measured decay products, Eβ, Iβ, En, In, Eγ, Iγ; deduced γ-ray branching ratio. Comparison with Hauser-Feshbach statistical calculations.
doi: 10.1103/PhysRevLett.115.062502
2014AG12 Nucl.Data Sheets 120, 74 (2014) J.Agramunt, A.R.Garcia, A.Algora, J.Aysto, R.Caballero-Folch, F.Calvino, D.Cano-Ott, G.Cortes, C.Domingo-Pardo, T.Eronen, W.Gelletly, M.B.Gomez Hornillos, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolkinen, T.Martinez, P.J.Mason, I.Moore, H.Penttila, Zs.Podolyak, M.Reponen, A.Riego, J.Rissanen, B.Rubio, A.Saastamoinen, J.L.Tain, E.Valencia New Beta-delayed Neutron Measurements in the Light-mass Fission Group RADIOACTIVITY 91Br, 85,86As, 85Ge(β-), (β-n); measured decay products, Eγ, Iγ, Eβ, Ib, En, In.; deduced β-delayed neutron emission probabilities. Comparison with available data.
doi: 10.1016/j.nds.2014.07.010
2014AL15 Nucl.Data Sheets 120, 12 (2014) A.Algora, E.Valencia, J.L.Tain, M.D.Jordan, J.Agramunt, B.Rubio, E.Estevez, F.Molina, A.Montaner, V.Guadilla, M.Fallot, A.Porta, A.-A.Zakari-Issoufou, V.M.Bui, S.Rice, Zs.Podolyak, P.H.Regan, W.Gelletly, M.Bowry, P.Mason, G.F.Farrelly, J.Rissanen, T.Eronen, I.Moore, H.Penttila, J.Aysto, V.Eloma, J.Hakala, A.Jokinen, V.Kolkinen, M.Reponen, V.Sonnenschein, D.Cano-Ott, T.Martinez, E.Mendoza, A.R.Garcia, M.B.Gomez Hornillos, V.Gorlychev, R.Caballero-Folch, F.G.Kondev, A.A.Sonzogni Total Absorption Study of Beta Decays Relevant for Nuclear Applications and Nuclear Structure RADIOACTIVITY 87,88Br(β-), (β-n); measured decay products, Eγ, Iγ, Eβ, Iβ, β-γ-coin.; deduced β-decay feeding distributions, decay heat impact. Comparison with ENDF/B-VII.1 library.
doi: 10.1016/j.nds.2014.06.129
2014GO10 Acta Phys.Pol. B45, 211 (2014) D.Gorelov, J.Hakala, A.Jokinen, V.Kolhinen, J.Koponen, I.Moore, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, V.Sonnenschein, A.Voss, A.Al-Adili, M.Lantz, A.Mattera, S.Pomp, V.Rakopoulos, V.Simutkin, A.Solders, J.Aysto Isomeric Yield Ratios of Fission Products Measured with the JYFLTRAP NUCLEAR REACTIONS 238U(p, X)81Ge/81Ga/81As, E=25 MeV; measured reaction products, Eγ, Iγ; deduced isomeric yield ratios of fission products.
doi: 10.5506/APhysPolB.45.211
2014KA22 Phys.Rev. C 89, 051302 (2014) A.Kankainen, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, V.S.Kolhinen, M.Reponen, J.Rissanen, A.Saastamoinen, V.Sonnenschein, J.Aysto Coulomb displacement energies as a probe for nucleon pairing in the f7/2 shell ATOMIC MASSES 45V, 49Mn; measured cyclotron frequency ratios, time-of-flight spectrum using JYFLTRAP double Penning trap mass spectrometer; deduced masses and Q(EC) values. 45V and 49Mn ions produced in 46Ti, 50Cr(p, 2n), E=40 MeV at IGISOL-JYFL facility Comparison with available data and AME-2012. Discussed pairing effect in the f7/2 shell nuclei. RADIOACTIVITY 45V, 49Mn(β+), (EC); deduced Q values from measurement of masses of 45V and 49Mn by JYFLTRAP.
doi: 10.1103/PhysRevC.89.051302
2014KU01 Hyperfine Interactions 223, 175 (2014) J.Kurpeta, A.Jokinen, H.Penttila, A.Plochocki, J.Rissanen, W.Urban, J.Aysto Trap-assisted studies of odd, neutron-rich isotopes from Tc to Pd
doi: 10.1007/s10751-012-0616-5
2014PE01 Hyperfine Interactions 223, 239 (2014) K.Perajarvi, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, H.Kettunen, V.Kolhinen, M.Laitinen, I.D.Moore, H.Penttila, J.Rissanen, A.Saastamoinen, H.Toivonen, J.Turunen, J.Aysto Production of pure 133mXe for CTBTO
doi: 10.1007/s10751-012-0626-3
2014PE13 Nucl.Data Sheets 119, 334 (2014) H.PenttilA, D.Gorelov, P.Karvonen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, J.Parkkonen, S.Rahaman, S.Rinta-Antila, J.Rissanen, V.Rubchenya, T.Sonoda, J.Aysto, M.Lantz, A.Mattera, V.D.Simutkin, S.Pomp, I.Ryzhov Independent Isotopic Product Yields in 25 MeV and 50 MeV Charged Particle Induced Fission of 238U and 232Th NUCLEAR REACTIONS 232Th, 238U(p, F), E=25 MeV;238U(p, F), E=50 MeV;238U(d, F), E=25 MeV; measured fission products; deduced isotopic fission yield, position and width of yield distribution of selected isotopes; calculated isotopic yield, position and width of yield distribution using different models.
doi: 10.1016/j.nds.2014.08.092
2013JO02 Phys.Rev. C 87, 044318 (2013) D.Jordan, A.Algora, J.L.Tain, B.Rubio, J.Agramunt, A.B.Perez-Cerdan, F.Molina, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, I.D.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, U.Hager, S.Rinta-Antila, T.Sonoda, K.Burkard, W.Huller, L.Batist, W.Gelletly, A.L.Nichols, T.Yoshida, A.A.Sonzogni, K.Perajarvi, A.Petrovici, K.W.Schmid, A.Faessler Total absorption study of the β decay of 102, 104, 105Tc RADIOACTIVITY 102,104,105Tc(β-)[from U(p, F), E=30, 50 MeV followed by mass separation]; measured Eγ, Iγ using the Total Absorption Gamma Spectrometer (TAGS) and JYFLTRAP Penning trap at IGISOL, Jyvaskyla facility; deduced β feedings to levels in 102,104,105Ru, β-strength distributions, Gamow-Teller strengths, average β and γ energies, effects on decay heat calculations. Comparison of deduced β feedings with those from high-resolution γ-ray measurements. Comparison of Gamow-Teller strengths with VAMPIR model calculations. Relevance to decay heat calculations in nuclear reactors. NUCLEAR REACTIONS U(p, F)102Mo/102Tc/102Ru/104Tc/105Nb/ 105Mo/105Tc/105Ru, E=30, 50 MeV; measured yields using JYFLRTRAP Penning trap at IGISOL, Jyvaskyla facility.
doi: 10.1103/PhysRevC.87.044318
2013KA08 Phys.Rev. C 87, 024307 (2013) A.Kankainen, J.Hakala, T.Eronen, D.Gorelov, A.Jokinen, V.S.Kolhinen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, V.Sonnenschein, J.Aysto Isomeric states close to doubly magic 132Sn studied with the double Penning trap JYFLTRAP ATOMIC MASSES 121,123,125Cd, 133Te, 129,131In, 130,131Sn, 133Te, 134Sb [from U, 232Th(p, F), E=25 MeV]; measured time-of-flight, cyclotron frequency ratio using the double Penning trap mass spectrometer JYFLTRAP; deduced mass excess, and level energies of ground states and isomers, isomeric to ground-state intensity ratios. Systematics of 11/2- states in odd-N, N=71-81 Cd, Sn, Te, Xe nuclei, and of the lowest 1/2- and 3/2- states in even-N, N=60-84 In isotopes. Comparison with previous studies, and evaluated data. Relevance for the r process.
doi: 10.1103/PhysRevC.87.024307
2013LA22 Eur.Phys.J. A 49, 79 (2013) K.L.Laursen, O.S.Kirsebom, H.O.U.Fynbo, A.Jokinen, M.Madurga, K.Riisager, A.Saastamoinen, O.Tengblad, J.Aysto High-statistics measurement of the β-delayed spectrum of 20Na RADIOACTIVITY 20Na(β+α); measured β-delayed α decay Eα, Iα, (16O)α-coin; deduced low-lying α transitions, branching ratios; calculated levels energy, width using R-matrix.
doi: 10.1140/epja/i2013-13079-6
2013PE01 Appl.Radiat.Isot. 71, 34 (2013) K.Perajarvi, T.Eronen, A.Cagniant, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, H.Kettunen, V.S.Kolhinen, M.Laitinen, I.D.Moore, H.Penttila, J.Rissanen, A.Saastamoinen, H.Toivonen, J.Turunen, J.Aysto Production of pure samples of 131mXe and 135Xe NUCLEAR REACTIONS Th(P, X)131Xe/135Xe, E=25 MeV; measured reaction products, dipole frequency, E(ce); deduced Xe implantation rates. Penning trap-based production of the Comprehensive Nuclear-Test-Ban Treaty Organization isotopes.
doi: 10.1016/j.apradiso.2012.09.007
2013WR01 Phys.Rev. C 87, 031303 (2013) C.Wrede, S.K.L.Sjue, A.Garcia, H.E.Swanson, I.Ahmad, A.Algora, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, V.S.Kolhinen, I.D.Moore, H.Penttila, M.Reponen, J.Rissanen, A.Saastamoinen, J.Aysto Electron capture on 116In and implications for nuclear structure related to double-β decay RADIOACTIVITY 116In(EC)[from 115In(d, p), E=7.6 MeV]; measured γ, β, x-ray spectra, β(x ray)-coin using JYFLTRAP at IGISOL facility in Jyvaskyla; deduced EC decay branch, B(GT). Implications for 2νββ and 0νββ decay modes of 116Cd.
doi: 10.1103/PhysRevC.87.031303
2012AY01 Eur.Phys.J. A 48, 42 (2012) J.Aysto, T.Eronen, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila An IGISOL portrait - Selected contributions
doi: 10.1140/epja/i2012-12042-5
2012BA54 Eur.Phys.J. A 48, 155 (2012) A.Bacquias, T.Kurtukian-Nieto, P.Ascher, L.Audirac, J.Aysto, B.Blank, V.-V.Elomaa, T.Eronen, J.Giovinazzo, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, V.S.Kolhinen, I.D.Moore, S.Rahaman, M.Reponen, J.Rissanen, A.Saastamoinen, J.Souin Precision half-life determination of a mirror β transition: The decay of 31S RADIOACTIVITY 31S(β+), (EC)[from 31P(p, n), E=19 MEV]; measured half-life. IGISOL method for source production and JYFLTRAP Penning trap.
doi: 10.1140/epja/i2012-12155-9
2012ER05 Eur.Phys.J. A 48, 46 (2012) T.Eronen, V.S.Kolhinen, V.-V.Elomaa, D.Gorelov, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, S.Kopecky, I.D.Moore, H.Penttila, S.Rahaman, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, J.Szerypo, C.Weber, J.Aysto JYFLTRAP: a Penning trap for precision mass spectroscopy and isobaric purification
doi: 10.1140/epja/i2012-12046-1
2012FL05 J.Phys.(London) G39, 125101 (2012) K.T.Flanagan, J.Billowes, P.Campbell, B.Cheal, G.D.Dracoulis, D.H.Forest, M.D.Gardner, J.Huikari, A.Jokinen, B.A.Marsh, R.Moore, A.Nieminen, H.Penttila, H.L.Thayer, G.Tungate, J.Aysto Nuclear moments, charge radii and spins of the ground and isomeric states in 175Yb and 177Yb NUCLEAR MOMENTS 175,177Yb; measured hyperfine structures; deduced static moments and changes in mean-square charge radii. Collinear laser spectroscopy at the IGISOL facility, comparison with Nilsson model.
doi: 10.1088/0954-3899/39/12/125101
2012HA25 Phys.Rev.Lett. 109, 032501 (2012) J.Hakala, J.Dobaczewski, D.Gorelov, T.Eronen, A.Jokinen, A.Kankainen, V.S.Kolhinen, M.Kortelainen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, V.Sonnenschein, J.Aysto Precision Mass Measurements beyond 132Sn: Anomalous Behavior of Odd-Even Staggering of Binding Energies ATOMIC MASSES 121,122,123,124,125,126,127,128Cd, 129,131In, 130,131,132,133,134,135Sn, 131,132,133,134,135,135Sb, 132,133,134,135,136,137,138,139,140Te; measured cyclotron frequency ratios; deduced masses. JYFLTRAP Penning trap, comparison with available data.
doi: 10.1103/PhysRevLett.109.032501
2012KA12 Eur.Phys.J. A 48, 49 (2012) A.Kankainen, Yu.N.Novikov, M.Oinonen, L.Batist, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, M.Reponen, J.Rissanen, A.Saastamoinen, G.Vorobjev, C.Weber, J.Aysto Isomer and decay studies for the rp process at IGISOL
doi: 10.1140/epja/i2012-12049-x
2012KA13 Eur.Phys.J. A 48, 47 (2012) A.Kankainen, V.S.Kolhinen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Saastamoinen, J.Aysto Penning-trap mass measurements on 92, 94-98, 100Mo with JYFLTRAP ATOMIC MASSES 92,94,95,96,97,98,100Mo; measured mass excess using JYFLTRAP Penning trap mass spectrometer with 85Rb as a reference. Compared with AME03. 80,81,82,84Y, 83,84,85,86,87,88Zr, 85,86,87,88Nb, 96,98Mo, 91Tc, 91Ru, 94,95,96,99Pd, 101,102,103,104,105Cd, 102In; re-evaluated mass excess using Mo isotopes as references. Compared with old data.
doi: 10.1140/epja/i2012-12047-0
2012KA24 J.Phys.(London) G39, 093101 (2012) A.Kankainen, J.Aysto, A.Jokinen High-accuracy mass spectrometry of fission products with Penning traps
doi: 10.1088/0954-3899/39/9/093101
2012KU28 Phys.Rev. C 86, 044306 (2012) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, J.A.Pinston, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, A.Saastamoinen, C.Weber, J.Aysto Low-spin excitations in the 109Tc nucleus RADIOACTIVITY 109Mo(β-)[from 238U(d, F), E=25 MeV]; measured Eγ, Iγ, βγ-coin, x rays, half-life, K-shell and total conversion coefficients using IGISOL + JYFLTRAP facilities at Jyvaskyla. 109Tc; deduced levels, J, π, Iβ, logft. 109Mo; deduced J, π of ground state. 109Mo, 109Tc(β-); deduced ground state β feedings. decay, and with quasiparticle-rotor model calculations.
doi: 10.1103/PhysRevC.86.044306
2012PE06 Eur.Phys.J. A 48, 43 (2012) H.Penttila, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, S.Rahaman, S.Rinta-Antila, J.Rissanen, V.Rubchenya, A.Saastamoinen, C.Weber, J.Aysto Fission yield studies at the IGISOL facility
doi: 10.1140/epja/i2012-12043-4
2012RI05 Phys.Rev. C 86, 034337 (2012) J.Rissanen, J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, A.Plochocki, A.Saastamoinen, W.Urban, C.Weber, J.Aysto Structure of 115Ag studied by β- decays of 115Pd and 115Pdm RADIOACTIVITY 115Pd, 115mPd(β-)[from 115Ru-115Rh-115Pd decay chain, 115Ru formed in U(p, X), E=25 MeV]; measured Eγ, Iγ, Eβ, βγ-, βγγ-coin using IGISOL and JYFLTRAP facilities in Jyvaskyla. 115Ag; deduced levels, J, π, multipolarity, Iβ, logft, Nilsson configuration, β strength distribution. Systematics of negative and positive parity Nilsson states in 109,111,113,115,117Ag. 115Pd; discussed spin and parity of ground state and isomer. Comparison with level scheme of 111Ag.
doi: 10.1103/PhysRevC.86.034337
2012RO01 J.Phys.(London) G39, 015101 (2012) C.Rodriguez Triguero, A.M.Bruce, T.Eronen, I.D.Moore, M.Bowry, A.M.D.Bacelar, A.Y.Deo, V.-V.Elomaa, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, V.S.Kolhinen, J.Kurpeta, T.Malkiewicz, P.J.R.Mason, H.Penttila, M.Reponen, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, G.S.Simpson, J.Aysto Trap-assisted separation of nuclear states for gamma-ray spectroscopy: the example of 100Nb RADIOACTIVITY 100Nb(β-); measured Eγ, Iγ, β-γ-coin.; deduced energy levels, J, π for ground and isomeric state transitions. JYFLTRAP installation.
doi: 10.1088/0954-3899/39/1/015101
2012RO10 Phys.Rev.Lett. 108, 162502 (2012) T.Roger, J.Buscher, B.Bastin, O.S.Kirsebom, R.Raabe, M.Alcorta, J.Aysto, M.J.G.Borge, M.Carmona-Gallardo, T.E.Cocolios, J.Cruz, P.Dendooven, L.M.Fraile, H.O.U.Fynbo, D.Galaviz, L.R.Gasques, G.S.Giri, M.Huyse, S.Hyldegaard, K.Jungmann, W.L.Kruithof, M.Lantz, A.Perea, K.Riisager, A.Saastamoinen, B.Santra, P.D.Shidling, M.Sohani, A.J.Sorensen, O.Tengblad, E.Traykov, D.J.van der Hoek, P.Van Duppen, O.O.Versolato, H.W.Wilschut Precise Determination of the Unperturbed 8B Neutrino Spectrum RADIOACTIVITY 8B(β+), 8Be(α) [from 12C(12C, X)8B, E=55 MeV/nucleon]; measured decay products, Eα, Iα, Eβ, Iβ; deduced final state distribution in 8Be, J, π, neutrino spectrum. Comparison with available data, R-matrix fits.
doi: 10.1103/PhysRevLett.108.162502
2012RU03 Eur.Phys.J. A 48, 44 (2012) Consistent theoretical model for the description of the neutron-rich fission product yields NUCLEAR REACTIONS 238U(n, F), (p, F), E=0-100 MeV; calculated pre-equilibrium and prescission statistical neutron multiplicity. Compared with data. 245Cm(n, F), E=thermal; analyzed data; deduced fission mode parameter. 238U(n, F), E*=0-100 MeV; calculated fission mode weigths. Compared with data. 232Th(p, F), E=13, 25, 30, 40, 55 MeV; calculated fission fragment yields, σ. Compared with data. 238U(p, F), E=40, 50 MeV; calculated Cs formation σ; compared with data. 238U(n, F), E=5, 10 MeV;238U(p, F), E=30 MeV;238U(γ, F), E=15 MeV calculated fission fragments σ. Combination of more models for the stages of reaction.
doi: 10.1140/epja/i2012-12044-3
2012TR08 J.Phys.:Conf.Ser. 337, 012058 (2012) L.Trache, A.Banu, J.C.Hardy, V.E.Iacob, M.McCleskey, B.T.Roeder, E.Simmons, A.Spiridon, R.E.Tribble, A.Saastamoinen, A.Jokinen, J.Aysto, T.Davinson, G.Lotay, P.J.Woods, E.Pollacco Decay spectroscopy for nuclear astrophysics: β- and β-delayed proton decay RADIOACTIVITY 23Al, 27P, 31Cl(EC), (β+p) [from 1H(24Mg, X), E=48 MeV/nucleon; 1H(28Si, X), (32S, X), E=40 MeV/nucleon]; measured β-delayed Ep, Ip using DSSSD (double-sided strip Si detector), Iβ using Si detector, pβ-coin, Eγ, Iγ using HPGe, βγ-coin. 23Al deduced mass excess, partial decay scheme, levels, J, π, resonance strength, proton branching, isomeric decay, T1/2, IAS, log ft. Only the 23Al results presented.
doi: 10.1088/1742-6596/337/1/012058
2011AL21 J.Korean Phys.Soc. 59, 1479s (2011) A.Algora, D.Jordan, J.L.Tain, B.Rubio, J.Agramunt, L.Caballero, E.Nacher, A.B.Perez-Cerdan, F.Molina, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, S.Rinta-Antila, I.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, U.Hager, T.Sonoda, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, K.Burkard, W.Huller, L.Batist, W.Gelletly, T.Yoshida, A.L.Nichols, A.Sonzogni, K.Perajarvi Improvements on Decay Heat Summation Calculations by Means of Total Absorption Gamma-ray Spectroscopy Measurements RADIOACTIVITY 101Nb, 101,105Mo, 102,104,105,106,107Tc(β-)[from U(p, F), E=30-50 MeV]; measured decay products using TAGS (Total Absorption Gamma Spectrometer) with Penning trap at IGISOL (JYFLTRAP); deduced decay heat.
doi: 10.3938/jkps.59.1479
2011AV01 J.Phys.(London) G38, 025104 (2011) M.Avgoulea, Yu.P.Gangrsky, K.P.Marinova, S.G.Zemlyanoi, S.Fritzsche, D.Iablonskyi, C.Barbieri, E.C.Simpson, P.D.Stevenson, J.Billowes, P.Campbell, B.Cheal, B.Tordoff, M.L.Bissell, D.H.Forest, M.D.Gardner, G.Tungate, J.Huikari, A.Nieminen, H.Penttila, J.Aysto Nuclear charge radii and electromagnetic moments of radioactive scandium isotopes and isomers NUCLEAR MOMENTS 42,43,44,45,46Sc; measured hyperfine structure; deduced nuclear magnetic dipole moments and electric quadrupole moments, isotope shifts, charge radii, deformation. Shell model calculation, laser spectroscopy. NUCLEAR STRUCTURE 42,43,44,45,46Sc, 40,41,42,43,44,45,46,47,48Ca; calculated nuclear isomer shifts, radii, magnetic moment, spectroscopic quadrupole moments. Comparison with other data.
doi: 10.1088/0954-3899/38/2/025104
2011ER02 Phys.Rev. C 83, 055501 (2011); Pub.Note Phys.Rev. C 84, 059905 (2011) T.Eronen, D.Gorelov, J.Hakala, J.C.Hardy, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, M.Reponen, J.Rissanen, A.Saastamoinen, J.Aysto QEC values of the superallowed β emitters 10C, 34Ar, 38Ca, and 46V ATOMIC MASSES 10C, 10B, 34Ar, 34Cl, 34mCl, 38Ca, 38mK, 38Ar, 46V, 46Ti; measured resonance frequencies ratios using JYFLTRAP Penning-trap and 10C, 34Ar, 38Ca and 46V beams from IGISOL; deduced Q values for β+ decay. Time-of-flight ion-cyclotron-resonance (TOF-ICR) technique. RADIOACTIVITY 10C, 34Ar, 38Ca, 46V(β+); measured Q values for decay from mass measurements.
doi: 10.1103/PhysRevC.83.055501
2011GO33 J.Korean Phys.Soc. 59, 1573s (2011) M.B.Gomez Hornillos, V.Gorlychev, R.Caballero, G.Cortes, A.Poch, C.Pretel, F.Calvino, J.L.Tain, A.Algora, J.Agramunt, D.Cano-Ott, T.Martinez, E.Mendoza, J.Rissanen, J.Aysto, A.Jokinen, T.Eronen, I.Moore, H.Penttila, V.Gorlychev, R.Caballero, G.Cortes, A.Poch, C.Pretel, F.Calvino, J.L.Tain, A.Algora, J.Agramunt, D.Cano-Ott, T.Martinez, E.Mendoza, J.Rissanen, J.Aysto, A.Jokinen, T.Eronen, I.Moore, H.Penttila Monte Carlo Simulations for the Study of a Moderated Neutron Detector
doi: 10.3938/jkps.59.1573
2011GO37 J.Phys.:Conf.Ser. 312, 052008 (2011) M.B.Gomez Hornillos, J.Rissanen, J.L.Tain, A.Algora, D.Cano-Ott, J.Agramunt, V.Gorlychev, R.Caballero, T.Martinez, L.Achouri, J.Aysto, G.Cortes, V.V.Elomaa, T.Eronen, A.Garcia, J.Hakala, A.Jokinen, P.Karvonen, V.S.Kolhinen, I.Moore, M.Parlog, H.Penttila, Z.Podolyak, C.Pretel, M.Reponen, V.Sonnenschein, E.Valencia First Measurements with the BEta deLayEd Neutron Detector (BELEN-20) at JYFLTRAP RADIOACTIVITY 88Br, 94,95Rb, 138I(β-n); measured decay products Eβ, Iβ, Eγ, Iγ, En, In; deduced neutron emission rate and its errors.
doi: 10.1088/1742-6596/312/5/052008
2011HA48 Eur.Phys.J. A 47, 129 (2011) J.Hakala, R.Rodriguez-Guzman, V.-V.Elomaa, T.Eronen, A.Jokinen, V.S.Kolhinen, I.D.Moore, H.Penttila, M.Reponen, J.Rissanen, A.Saastamoinen, J.Aysto Precision mass measurements of neutron-rich Y, Nb, Mo, Tc, Ru, Rh, and Pd isotopes RADIOACTIVITY 102,103Y, 108Nb, 113Tc, 114,116Ru, 119Rh, 118,120,121,122Pd, 114Tc, 111Mo(β-)[from proton-induced fission]; measured cyclotron frequency; deduced mass excess, 2n, 2p separation energies using reference ions; calculated mass excess using HFB with Gogny D1S force and D1N Gogny Energy Density Functional. JYFLTRAP Penning trap mass spectrometer. Compared with AME.
doi: 10.1140/epja/i2011-11129-9
2011KI14 Phys.Rev. C 83, 065802 (2011), Erratum Phys.Rev. C 84, 049902 (2011) O.S.Kirsebom, S.Hyldegaard, M.Alcorta, M.J.G.Borge, J.Buscher, T.Eronen, S.Fox, B.R.Fulton, H.O.U.Fynbo, H.Hultgren, A.Jokinen, B.Jonson, A.Kankainen, P.Karvonen, T.Kessler, A.Laird, M.Madurga, I.Moore, G.Nyman, H.Penttila, S.Rahaman, M.Reponen, K.Riisager, T.Roger, J.Ronkainen, A.Saastamoinen, O.Tengblad, J.Aysto Precise and accurate determination of the 8B decay spectrum RADIOACTIVITY 8B(β+)[from 6Li(3He, n), E=7.0 MeV]; measured β spectra, β-delayed α spectra, Eα, αα-coin. 8Be; deduced excitation distribution. Discussed implication of 8B neutrino spectrum. 20Na(β+); measured β-delayed α spectrum and used for calibration. Monte-Carlo simulations of β decay of 8B. R-matrix parameterization.
doi: 10.1103/PhysRevC.83.065802
2011KI26 Eur.Phys.J. A 47, 130 (2011) O.S.Kirsebom, H.O.U.Fynbo, A.Jokinen, M.Madurga and K.Riisager, A.Saastamoinen, O.Tengblad, J.Aysto New β-delayed proton lines from 23Al RADIOACTIVITY 23Al(β+), (EC); measured β-delayed Ep, Ip; deduced levels, J, π, branching ratio, log ft, B(GT) for individual levels. Compared with other data.
doi: 10.1140/epja/i2011-11130-4
2011KO03 Phys.Lett. B 697, 116 (2011) V.S.Kolhinen, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, J.Rissanen, J.Suhonen, J.Aysto On the resonant neutrinoless double-electron-capture decay of 136Ce ATOMIC MASSES 136Ce, 136Ba, 136Xe; measured tof ion-cyclotron resonances; deduced mass differences, double electron capture Q-value. Comparison with previous measurements. RADIOACTIVITY 136Ce(2EC); calculated T1/2 for neutrinoless double beta decay. Multi-Commutator Model (MCM).
doi: 10.1016/j.physletb.2011.01.050
2011KU16 Phys.Rev. C 84, 044304 (2011) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, J.A.Pinston, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, A.Saastamoinen, C.Weber, J.Aysto Signatures of oblate deformation in the 111Tc nucleus RADIOACTIVITY 111Mo(β-)[from 238U(d, F), E=25 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-life. 111Tc; deduced levels, J, π, conversion coefficients, multipolarities, Iβ, logft, Q value. 111Tc(β-) [from 111Tc decay]; measured Eγ, βγ-coin. IGISOL3 mass separator coupled to JYFLTRAP Penning trap. Comparison with particle-plus-rotor model calculations.
doi: 10.1103/PhysRevC.84.044304
2011PE31 J.Korean Phys.Soc. 59, 1589s (2011) H.Penttila, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, V.S.Kolhinen, I.D.Moore, J.Rissanen, M.Reponen, A.Saastamoinen, V.Sonnenschein, J.Aysto The Possibilities of the Extended IGISOL Facility at JYFL
doi: 10.3938/jkps.59.1589
2011RA24 Phys.Lett. B 703, 412 (2011) S.Rahaman, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, J.Rissanen, J.Suhonen, C.Weber, J.Aysto Double-beta decay Q values of 116Cd and 130Te ATOMIC MASSES 116Cd, 130Te; measured cyclotron frequencies; deduced double beta decay Q-values, mass differences. RADIOACTIVITY 116Cd, 130Te(2β-); calculated nuclear matrix elements.
doi: 10.1016/j.physletb.2011.07.078
2011RI01 Phys.Rev. C 83, 011301 (2011); Erratum Phys.Rev. C 83, 029901 (2011) J.Rissanen, J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, I.D.Moore, P.Karvonen, A.Plochocki, L.Prochniak, H.Penttila, S.Rahaman, M.Reponen, A.Saastamoinen, J.Szerypo, W.Urban, C.Weber, J.Aysto Decay study of 114Tc with a Penning trap RADIOACTIVITY 114Tc(β-)[from U(d, X), E=25 MeV]; measured Eγ, Iγ, γγ-coin, half-lives, mass difference by Penning-Trap (JYFLTRAP) assisted spectroscopy. IGISOL facility. 114Ru; deduced levels, isomers, J, π, configurations, Q value for β decay, logft. Comparison with microscopic Bohr-Hamiltonian calculations using Sly4 Skyrme interaction.
doi: 10.1103/PhysRevC.83.011301
2011RI07 Eur.Phys.J. A 47, 97 (2011); Erratum Eur.Phys.J. A 47, 116 (2011) J.Rissanen, J.Kurpeta, A.Plochocki, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, S.Rahaman, A.Saastamoinen, W.Urban, C.Weber, J.Aysto Penning-trap-assisted study of 115Ru beta decay RADIOACTIVITY 115Ru(β-)[from U(p, f), E=25 MeV, selected by JYFLTRAP]; measured Eγ, Iγ, Eβ, Iβ, X-rays, βγ-coin. 115Rh deduced levels, J, π, level log ft, level β-feeding, ICC(K) for 80.1 keV transition, rotational constants for the K=1/2 intruder band. 115Ru deduced ground state J, π, β-strength distribution. Penning-trap-assisted β and γ spectroscopy, IGISOL facility. Comparison with near-by isotopes of Ru and Rh.
doi: 10.1140/epja/i2011-11097-0
2011SA15 Phys.Rev. C 83, 045808 (2011) A.Saastamoinen, L.Trache, A.Banu, M.A.Bentley, T.Davinson, J.C.Hardy, V.E.Iacob, M.McCleskey, B.T.Roeder, E.Simmons, G.Tabacaru, R.E.Tribble, P.J.Woods, J.Aysto Experimental study of β-delayed proton decay of 23Al for nucleosynthesis in novae RADIOACTIVITY 23Al(β+), (β+p); measured E(p), I(p), Eγ, Iγ, βγ-, βp-coin. 22Na, 23Mg; deduced levels, J, π, widths, IAS of 23Al, resonance strength at 7787 keV and its contribution to the reaction rates for 22Na(p, γ) reaction at typical nova peak temperatures.
doi: 10.1103/PhysRevC.83.045808
2011SO11 Eur.Phys.J. A 47, 40 (2011) J.Souin, T.Eronen, P.Ascher, L.Audirac, J.Aysto, B.Blank, V.-V.Elomaa, J.Giovinazzo, J.Hakala, A.Jokinen, V.S.Kolhinen, P.Karvonen, I.D.Moore, S.Rahaman, J.Rissanen, A.Saastamoinen, J.C.Thomas Precision half-life and Q -value measurement of the super-allowed β emitter 30S RADIOACTIVITY 30S(EC) [from Ni2P(p, X), E=35 MeV]; measured cyclotron frequency ratio, Eβ, Iβ, Eγ, Iγ; deduced Q-value, T1/2 and uncertainties. JYFLTRAP Penning trap setup.
doi: 10.1140/epja/i2011-11040-5
2011TA26 J.Korean Phys.Soc. 59, 1499s (2011) J.L.Tain, A.Algora, E.Estevez, B.Rubio, E.Valencia, D.Jordan, J.Aysto, T.Eronen, A.Jokinen, I.Moore, H.Pentilla, J.Riisanen, L.Batist, M.Bowry, M.Bunce, W.Gelletly, R.Caballero, G.Cortes, B.Gomez-Hornillos, V.Gorlychev, D.Cano-Ott, A.Garcia, T.Martinez, C.Domingo-Pardo, M.Fallot, L.Giot, A.Porta, B.Van Vinh Beta Decay Studies of Neutron Rich Nuclei Using Total Absorption Gamma-ray Spectroscopy and Delayed Neutron Measurements RADIOACTIVITY 86,87,88Br, 91,92,93,94Rb, 138I(β-), (β-n)[from U+2H]; measured Eβ, Iβ(t), nβ-coin, Eγ, Iγ(t), βγ-coin at IGISOL facility at JYFL using BELEN detector for neutrons, activity using TAS (Total Absorption Spectrometer) and DACQ system.
doi: 10.3938/jkps.59.1499
2010AL22 Phys.Rev.Lett. 105, 202501 (2010) A.Algora, D.Jordan, J.L.Tain, B.Rubio, J.Agramunt, A.B.Perez-Cerdan, F.Molina, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, I.D.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, S.Rinta-Antila, U.Hager, T.Sonoda, K.Burkard, W.Huller, L.Batist, W.Gelletly, A.L.Nichols, T.Yoshida, A.A.Sonzogni, K.Perajarvi Reactor Decay Heat in 239Pu: Solving the γ Discrepancy in the 4-3000-s Cooling Period RADIOACTIVITY 101Nb, 105Mo, 102,104,105,106,107Tc(β-) [from U(p, X), E=30, 50 MeV]; measured Eγ, Iγ, mass; deduced β-feeding probabilities, discrepancies for decay heat of 239Pu.
doi: 10.1103/PhysRevLett.105.202501
2010AY07 Nucl.Phys. A834, 724c (2010) J.Aysto, and the JYFLTRAP Collaboration Ion-Trap Spectrometry for Exotic Nuclei RADIOACTIVITY 115Ru(β-); measured Eγ, Iγ. 115Rh; deduced levels, J, π. Discusses Penning trap experimental possibilities.
doi: 10.1016/j.nuclphysa.2010.01.131
2010BA31 J.Phys.(London) G37, 105103 (2010) K.Baczynska, J.Billowes, P.Campbell, F.C.Charlwood, B.Cheal, T.Eronen, D.H.Forest, A.Jokinen, T.Kessler, I.D.Moore, M.Ruffer, G.Tungate, J.Aysto Nuclear spin determination of 100mY by collinear laser spectroscopy of optically pumped ions NUCLEAR REACTIONS U(p, F)89Y/96Y/98Y/99Y/100Y, E=30 MeV; measured hyperfine resonance fluorescence spectra; deduced isotope shifts, hyperfine parameters, nuclear spin and prolate shape.
doi: 10.1088/0954-3899/37/10/105103
2010CH15 Phys.Lett. B 690, 346 (2010) F.C.Charlwood, J.Billowes, P.Campbell, B.Cheal, T.Eronen, D.H.Forest, S.Fritzsche, M.Honma, A.Jokinen, I.D.Moore, H.Penttila, R.Powis, A.Saastamoinen, G.Tungate, J.Aysto Ground state properties of manganese isotopes across the N=28 shell closure NUCLEAR REACTIONS 50,52Cr(p, n), E=14 MeV; 50Cr(d, n), E=13 MeV;55Mn(p, xnp)53Mn/54Mn, E=33 MeV; 56Fe(d, 2p), E=25 MeV; measured hyperfine spectra; deduced magnetic dipole moments, quadrupole moments, mean-square charge radii, shell closure. Comparison with shell model calculation using GXPF1A interaction.
doi: 10.1016/j.physletb.2010.05.060
2010HY01 Phys.Rev. C 81, 024303 (2010) S.Hyldegaard, M.Alcorta, B.Bastin, M.J.G.Borge, R.Boutami, S.Brandenburg, J.Buscher, P.Dendooven, C.Aa.Diget, P.Van Duppen, T.Eronen, S.P.Fox, L.M.Fraile, B.R.Fulton, H.O.U.Fynbo, J.Huikari, M.Huyse, H.B.Jeppesen, A.S.Jokinen, B.Jonson, K.Jungmann, A.Kankainen, O.S.Kirsebom, M.Madurga, I.Moore, A.Nieminen, T.Nilsson, G.Nyman, G.J.G.Onderwater, H.Penttila, K.Perajarvi, R.Raabe, K.Riisager, S.Rinta-Antila, A.Rogachevskiy, A.Saastamoinen, M.Sohani, O.Tengblad, E.Traykov, Y.Wang, K.Wilhelmsen, H.W.Wilschut, J.Aysto R-matrix analysis of the β decays of 12N and 12B RADIOACTIVITY 12N(β+), 12B(β-); measured 3α summed spectra and associated branching ratios for breakup via the 8Be ground-state and via excited states of 8Be. 12C; deduced levels, resonances, Gammow-Teller strengths and widths using multilevel, many-channel R-matrix formalism.
doi: 10.1103/PhysRevC.81.024303
2010KA26 Phys.Rev. C 82, 034311 (2010) A.Kankainen, V.-V.Elomaa, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, T.Kessler, V.S.Kolhinen, I.D.Moore, S.Rahaman, M.Reponen, J.Rissanen, A.Saastamoinen, C.Weber, J.Aysto Mass measurements in the vicinity of the doubly magic waiting point 56Ni ATOMIC MASSES 56,57Fe, 53,53m,56Co, 55,56,57Ni, 57,58Cu, 59,60Zn; measured cyclotron resonance frequencies and ratios by JYFLTRAP Penning trap spectrometer; deduced mass excesses. 56,57Fe, 53,53m,55,56Co, 55,56,57,58Ni, 57,58,59Cu, 53,56,57Fe, 59,60Zn; measured frequency ratio pairs. Comparison with previous mass measurements. 53,54Co, 55,56Ni, 57,58Cu, 59,60Zn; deduced Coulomb displacement energies for the T=1/2 doublets and T=1 triplets. 53Co, 54,55,56Ni, 56,57,58Cu, 58,59,60Zn, 60,61Ga; deduced S(p) values. Comparison of all the deduced values with AME-2003. RADIOACTIVITY 53Co(EC), 53mCo(EC), (p); deduced Q values and revised level schemes. 53Co; deduced energy of the high-spin isomer. 53Co, 55,56Ni, 57,58Cu, 59,60Zn(EC); deduced Q values from measured masses, electron capture probabilities, Logft values, and Gamow-Teller matrix elements. NUCLEAR REACTIONS 54Fe(p, X)53Co/53mCo/56Ni/57Cu/58Cu, E=40, 50 MeV; 54Fe(3He, X)55Ni/56Ni/59Zn/60Zn, E=25 MeV; Ca(20Ne, X)56Co/57Ni, E=75, 105 MeV; measured masses of product nuclides. 56Ni(p, γ)57Cu; deduced reaction Q value, proton resonance energies, rescaled proton widths, and reaction rates of astrophysical significance.
doi: 10.1103/PhysRevC.82.034311
2010KA30 Phys.Rev. C 82, 052501 (2010) A.Kankainen, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, V.S.Kolhinen, M.Reponen, J.Rissanen, A.Saastamoinen, V.Sonnenschein, J.Aysto High-precision mass measurement of 31S with the double Penning trap JYFLTRAP improves the mass value for 32Cl ATOMIC MASSES 31S; measured mass by time-of-flight (TOF) ion-cyclotron resonance method using JYFLTRAP double Penning trap mass spectrometer using 31P as reference; deduced mass excess and Q value for EC decay. 32Cl; analyzed mass excess from S(p); deduced improved Q(ϵ) value and logft. 32Si, 32P, 32S, 32Cl, 32Ar; analyzed isobaric mass multiplet equation (IMME) for A=32, T=2 quintet. Comparison of masses with previous measurements and evaluations. RADIOACTIVITY 31S(EC)[from 32S(p, pn), E=40 MeV]; measured mass using IGISOL and JYFLTRAP facilities; deduced Q value, logft. 32S, 32Cl, 32Ar(EC); analyzed Q values, logft. Implication for superallowed β decay of 32Ar.
doi: 10.1103/PhysRevC.82.052501
2010KO15 Phys.Lett. B 684, 17 (2010) V.S.Kolhinen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, M.Kortelainen, J.Suhonen, J.Aysto Accurate Q value for the 74Se double-electron-capture decay ATOMIC MASSES 74Ge, 74Se; measured masses using JYFLTRAP penning trap; deduced Q-value for neutrino-less 2EC decay. RADIOACTIVITY 74Se(2EC); deduced Q-value for neutrino-less 2EC decay from atomic mass measurements; calculated T1/2 and nuclear matrix elements using QRPA wave functions in a multiple-commutator model.
doi: 10.1016/j.physletb.2009.12.052
2010KO16 Phys.Lett. B 686, 227 (2010) E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, A.A.Bogachev, L.Krupa, T.A.Loktev, S.V.Smirnov, V.I.Zagrebaev, J.Aysto, W.H.Trzaska, V.A.Rubchenya, E.Vardaci, A.M.Stefanini, M.Cinausero, L.Corradi, E.Fioretto, P.Mason, G.F.Prete, R.Silvestri, S.Beghini, G.Montagnoli, F.Scarlassara, F.Hanappe, S.V.Khlebnikov, J.Kliman, A.Brondi, A.Di Nitto, R.Moro, N.Gelli, S.Szilner Investigation of the reaction 64Ni + 238U being an option of synthesizing element 120 NUCLEAR REACTIONS 238U(48Ca, X), E=220-260 MeV; 238U(64Ni, X), E=320-385 MeV; measured fragment yields and energy distributions using CORSET time-of-flight spectrometer; deduced σ; analyzed reaction mechanism features using Viola systematics. 244Pu(58Fe, X), E=328 MeV; analyzed data. Discussed superheavy element formation.
doi: 10.1016/j.physletb.2010.02.041
2010KO28 Phys.Rev. C 82, 022501 (2010) V.S.Kolhinen, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, J.Rissanen, A.Saastamoinen, J.Suhonen, J.Aysto Double-β decay Q value of 150Nd ATOMIC MASSES 150Nd, 150Sm; measured cyclotron frequencies using JYFLTRAP Penning-trap mass spectrometer; deduced mass difference and Q value for double-beta decay. Comparison with AME 2003. RADIOACTIVITY 150Nd(2β-); deduced Q value from mass difference measurement of 150Nd and 150Sm using JYFLTRAP Penning-trap mass spectrometer. Comparison with AME 2003.
doi: 10.1103/PhysRevC.82.022501
2010KU01 Acta Phys.Pol. B41, 469 (2010) J.Kurpeta, J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, A.Plochocki, S.Rahaman, S.Rinta-Antila, J.Ronkainen, A.Saastamoinen, T.Sonoda, J.Szerypo, W.Urban, Ch.Weber, J.Aysto Progress in Trap Assisted β Decay Spectroscopy of 115Ru RADIOACTIVITY 115Ru(β-) [from 238U(p, F)115Ru, E=25 MeV]; measured Eγ, Iγ, γγ-coin.; deduced energy levels, gamma transitions, T1/2. JYFLTRAP Penning trap system.
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2010KU19 Phys.Rev. C 82, 027306 (2010) J.Kurpeta, W.Urban, A.Plochocki, J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, S.Rahaman, A.Saastamoinen, T.Sonoda, J.Szerypo, C.Weber, J.Aysto Excited states in 115Pd populated in the β- decay of 115Rh RADIOACTIVITY 115Rh(β-); measured Eγ, Iγ, γγ-coin. 115Pd; deduced levels, J, π. Systematics of low-lying states in odd-A Mo, Ru and Pd nuclei from N=61-71.
doi: 10.1103/PhysRevC.82.027306
2010KU25 Phys.Rev. C 82, 064318 (2010) J.Kurpeta, J.Rissanen, A.Plochocki, W.Urban, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, T.Malkiewicz, I.D.Moore, H.Penttila, A.Saastamoinen, G.S.Simpson, C.Weber, J.Aysto New isomer and decay half-life of 115Ru RADIOACTIVITY 115Ru(IT), (β-)[From 238U(p, X), E=25 MeV]; measured Eγ, Iγ, βγ-, γγ-coin, isomer and ground state half-lives, JYFLTRAP assisted β-γ spectroscopy. 115Ru, 115Rh; deduced levels, J, π, conversion coefficients, multipolarity. systematics of low-lying levels and isomers in 113,115,117Pd, 113,115Ru.
doi: 10.1103/PhysRevC.82.064318
2010PE06 Eur.Phys.J. A 44, 147 (2010) H.Penttila, P.Karvonen, T.Eronen, V.-V.Elomaa, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, K.Perajarvi, S.Rahaman, S.Rinta-Antila, V.Rubchenya, A.Saastamoinen, T.Sonoda, J.Aysto Determining isotopic distributions of fission products with a Penning trap NUCLEAR REACTIONS 238U(p, F)Ge/Ag/In/Rb/Cs, E=25, 50 MeV; measured fission fragment yields using an ion guide and Penning trap. Comparison with other data.
doi: 10.1140/epja/i2010-10936-8
2010SA41 J.Phys.:Conf.Ser. 202, 012010 (2010) A.Saastamoinen, L.Trache, A.Banu, M.A.Bentley, T.Davinson, T.Eronen, J.C.Hardy, V.E.Iacob, D.Jenkins, A.Jokinen, M.McCleskey, B.Roeder, G.Tabacaru, R.E.Tribble, P.J.Woods, J.Aysto, for the IGISOL/MARS Collaboration Studies of astrophysically interesting nucleus 23Al NUCLEAR REACTIONS 1H(24Mg, 2n)23Al, E=48 MeV/nucleon; measured reaction products using DSSD (double-sided Si strip detector), Si and HPGe detectors at the focal plane of MARS separator, β-delayed 23Al proton decay; deduced proton branching. ATOMIC PHYSICS 23Al; measured mass, mass excess, proton separation using JYFLTRAP Penning trap at IGISOL.
doi: 10.1088/1742-6596/202/1/012010
2009CH09 Phys.Lett. B 674, 23 (2009) F.C.Charlwood, K.Baczynska, J.Billowes, P.Campbell, B.Cheal, T.Eronen, D.H.Forest, A.Jokinen, T.Kessler, I.D.Moore, H.Penttila, R.Powis, M.Ruffer, A.Saastamoinen, G.Tungate, J.Aysto Nuclear charge radii of molybdenum fission fragments NUCLEAR MOMENTS 90,91,92,94,95,96,97,98,100,102,103,104,105,106,108Mo; measured hfs; deduced hyperfine structure coefficients, charge radius, magnetic moment. Collinear laser spectroscopy.
doi: 10.1016/j.physletb.2009.02.050
2009CH25 Phys.Rev.Lett. 102, 222501 (2009) B.Cheal, K.Baczynska, J.Billowes, P.Campbell, F.C.Charlwood, T.Eronen, D.H.Forest, A.Jokinen, T.Kessler, I.D.Moore, M.Reponen, S.Rothe, M.Ruffer, A.Saastamoinen, G.Tungate, J.Aysto Laser Spectroscopy of Niobium Fission Fragments: First Use of Optical Pumping in an Ion Beam Cooler Buncher NUCLEAR MOMENTS 90,91,92,93,99,101,103Nb; measured collinear fluorescence spectra, hfs coefficients; deduced magnetic dipole, electric quadrupole moments, mean-square charge radii.
doi: 10.1103/PhysRevLett.102.222501
2009DI06 Phys.Rev. C 80, 034316 (2009) C.Aa.Diget, F.C.Barker, M.J.G.Borge, R.Boutami, P.Dendooven, T.Eronen, S.P.Fox, B.R.Fulton, H.O.U.Fynbo, J.Huikari, S.Hyldegaard, H.B.Jeppesen, A.Jokinen, B.Jonson, A.Kankainen, I.Moore, A.Nieminen, G.Nyman, H.Penttila, V.F.E.Pucknell, K.Riisager, S.Rinta-Antila, O.Tengblad, Y.Wang, K.Wilhelmsen, J.Aysto Breakup channels for 12C triple-α continuum states RADIOACTIVITY 12N(β+)[from 12C(p, n), E=28 MeV], 12B(β-)[from 11B(d, p), E=10 MeV]; measured Eα, Eγ, ααα-coin. 12C; deduced levels, J, π, triple-α continuum states and their decay modes. R-matrix analysis.
doi: 10.1103/PhysRevC.80.034316
2009EL07 Phys.Rev.Lett. 102, 252501 (2009) V.-V.Elomaa, G.K.Vorobjev, A.Kankainen, L.Batist, S.Eliseev, T.Eronen, J.Hakala, A.Jokinen, I.D.Moore, Yu.N.Novikov, H.Penttila, A.Popov, S.Rahaman, J.Rissanen, A.Saastamoinen, H.Schatz, D.M.Seliverstov, C.Weber, J.Aysto Quenching of the SnSbTe Cycle in the rp Process ATOMIC MASSES 104,105,106,107,108Sn, 106,107,108,109,110Sb, 108,109Te, 111I; Measured atomic masses using JYFLTRAP Penning-trap spectrometer;deduced single-proton separation energy. Comparison with AME2003 evaluation.
doi: 10.1103/PhysRevLett.102.252501
2009EL08 Eur.Phys.J. A 40, 1 (2009) V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, S.Rahaman, J.Rissanen, V.Rubchenya, C.Weber, J.Aysto Light-ion-induced reactions in mass measurements of neutron-deficient nuclides close to A = 100 ATOMIC MASSES 97,98,99,101Pd, 100Ag, 101,102,103,104,105Cd, 102,104In; measured masses using the JYFLTRAP Penning trap mass spectrometer. Comparison with evaluated values and data. NUCLEAR REACTIONS 92Mo(p, X)85Nb/86Nb/87Nb/88Nb/89Nb/90Nb/91Nb, E=62 MeV; 106Cd(p, X)101In/102In/103In/104In/105In/106In/107In/108In/109In, E=62 MeV; measured yields; deduced production σ. Enriched target.
doi: 10.1140/epja/i2008-10732-1
2009ER02 Phys.Rev. C 79, 032802 (2009) T.Eronen, V.-V.Elomaa, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, T.Kessler, I.D.Moore, S.Rahaman, J.Rissanen, C.Weber, J.Aysto Mass and QEC value of 26Si ATOMIC MASSES 26Si; measured Q(EC) and mass using the JYFLTRAP mass spectrometer; 25Al(p, γ)26Si; deduced Q-value and reaction rates. RADIOACTIVITY 26Si(EC), (β+)[from 27Al(p, 2n)26Si, E=35 MeV]; deduced Q value and log ft. 10C, 14O, 22Mg, 26mAl, 26Si, 34Cl, 34Ar, 38mK, 42Sc, 46V, 50Mn, 54Co, 62Ga, 74Rb(EC), (β+); systematics of ft values for superallowed transitions.
doi: 10.1103/PhysRevC.79.032802
2009ER07 Phys.Rev.Lett. 103, 252501 (2009) T.Eronen, V.-V.Elomaa, J.Hakala, J.C.Hardy, A.Jokinen, I.D.Moore, M.Reponen, J.Rissanen, A.Saastamoinen, C.Weber, J.Aysto QEC Values of the Superallowed β Emitters 34Cl and 38Km RADIOACTIVITY 34Cl, 38K(EC); measured cyclotron frequency ratios; deduced Q-values with high precision.Online Pening trap.
doi: 10.1103/PhysRevLett.103.252501
2009HY01 Phys.Lett. B 678, 459 (2009) S.Hyldegaard, C.Forssen, C.Aa.Diget, M.Alcorta, F.C.Barker, B.Bastin, M.J.G.Borge, R.Boutami, S.Brandenburg, J.Buscher, P.Dendooven, P.Van Duppen, T.Eronen, S.Fox, B.R.Fulton, H.O.U.Fynbo, J.Huikari, M.Huyse, H.B.Jeppesen, A.Jokinen, B.Jonson, K.Jungmann, A.Kankainen, O.Kirsebom, M.Madurga, I.Moore, P.Navratil, T.Nilsson, G.Nyman, G.J.G.Onderwater, H.Penttila, K.Perajarvi, R.Raabe, K.Riisager, S.Rinta-Antila, A.Rogachevskiy, A.Saastamoinen, M.Sohani, O.Tengblad, E.Traykov, J.P.Vary, Y.Wang, K.Wilhelmsen, H.W.Wilschut, J.Aysto Precise branching ratios to unbound 12C states from 12N and 12B β-decays NUCLEAR REACTIONS 1H(12C, n), 2H(11B, p), 12C(p, n), 11B(d, p), E not given; measured Eγ, Iγ, Eα, Iα, γα-coin, αα-coin, decay spectra; deduced branching ratio, log ft, B(GT) to various 12C states. Comparison with no-core shell model calculations. RADIOACTIVITY 12B(β-), 12N(β+); deduced branching ratio, log ft, B(GT) to various 12C states. Comparison with no-core shell model calculations.
doi: 10.1016/j.physletb.2009.06.064
2009HY02 Phys.Rev. C 80, 044304 (2009) S.Hyldegaard, C.Aa.Diget, M.J.G.Borge, R.Boutami, P.Dendooven, T.Eronen, S.P.Fox, L.M.Fraile, B.R.Fulton, H.O.U.Fynbo, J.Huikari, H.B.Jeppesen, A.S.Jokinen, B.Jonson, A.Kankainen, I.Moore, G.Nyman, H.Penttila, K.Perajarvi, K.Riisager, S.Rinta-Antila, O.Tengblad, Y.Wang, K.Wilhelmsen, J.Aysto Branching ratios in the β decays of 12N and 12B RADIOACTIVITY 12N(β+)[from 12C(p, n), E=28 MeV], 12B(β-)[from 11B(d, p), E=10 MeV]; 20Na(β+)[from 24Mg(p, nα), E not given]; measured Eα, Iα, Eγ, Iγ, Eβ, βγ-, βα-, ααα-coin. 12C, 20Ne; deduced levels, β feedings, and logft. Triple-α method and R-matrix analysis. IGISOL-JYFL facility.
doi: 10.1103/PhysRevC.80.044304
2009KU19 Phys.Rev. C 80, 035502 (2009) T.Kurtukian Nieto, J.Souin, T.Eronen, L.Audirac, J.Aysto, B.Blank, V.-V.Elomaa, J.Giovinazzo, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, T.Kessler, I.D.Moore, H.Penttila, S.Rahaman, M.Reponen, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, T.Sonoda, C.Weber Half-life, branching-ratio, and Q-value measurement for the O+ → O+ β+ emitter 42Ti RADIOACTIVITY 42Ti(EC); measured Eγ, βγ-coin, half-life, branching ratio, Q value from measured mass differences; deduced logft value for 0+ to 0+ superallowed β transition. ATOMIC MASSES 42Ti, 42Sc, 42mSc, 42Ca; measured mass differences using JYFLTRAP Penning-trap spectrometer; deduced Q values.
doi: 10.1103/PhysRevC.80.035502
2009RA11 Phys.Rev.Lett. 103, 042501 (2009) S.Rahaman, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, J.Rissanen, J.Suhonen, C.Weber, J.Aysto Accurate Q Value for the 112Sn Double-β Decay and its Implication for the Search of the Neutrino Mass ATOMIC MASSES 112Sn; Measured atomic masses using precision cryogenic Penning-trap spectrometer; Deduced Q-value for 2β-decay.
doi: 10.1103/PhysRevLett.103.042501
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