NSR Query Results
Output year order : Descending NSR database version of April 25, 2024. Search: Author = J.Hakala Found 104 matches. Showing 1 to 100. [Next]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
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
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
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
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
2017CZ01 Phys.Rev. C 95, 024321 (2017) M.Czerwinski, K.Sieja, T.Rzaca-Urban, W.Urban, A.Plochocki, J.Kurpeta, J.Wisniewski, H.Penttila, A.Jokinen, S.Rinta-Antila, L.Canete, T.Eronen, J.Hakala, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, I.Pohjalainen, J.Reinikainen, V.Simutkin, A.Voss, I.Murray, C.Nobs Penning-trap-assisted study of excitations in 88Br β decay of 88Se RADIOACTIVITY 88Se(β-)[from U(p, F), E=30 MeV using Ion Guide Isotope Separator On-Line (IGISOL) facility and JYFLTRAP at Jyvaskyla]; measured yields of fission fragments, Eγ, Iγ, βγ- and γγ-coin, half-life of an isomer by γ(t). 88Br; deduced levels, J, π, total conversion coefficients from intensity balances, multipolarities, β feedings, log ft, configurations, comparison with large-scale shell-model calculations. NUCLEAR STRUCTURE 88Br; calculated levels, J, π, occupation of neutron and proton orbitals using large-scale shell-model. Comparison with experimental data.
doi: 10.1103/PhysRevC.95.024321
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
2017MA18 Eur.Phys.J. A 53, 77 (2017) C.Magron, Ph.Alfaurt, B.Blank, L.Daudin, T.Eronen, M.Gerbaux, J.Giovinazzo, D.Gorelov, S.Grevy, H.Guerin, J.Hakala, V.S.Kolhinen, J.Koponen, T.Kurtukian Nieto, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, M.Roche, A.de Roubin, N.Smirnova, B.Thomas, A.Voss, L.Xayavong Precise measurements of half-lives and branching ratios for the β mirror transitions in the decay of 23Mg and 27Si RADIOACTIVITY 23Mg, 27Si(β+), (EC)[from 23Na, 27Si(p, n), E=15, 30 MeV]; measured Eβ, Iβ using plastic scintillator, Eγ, Iγ using Ge detector; deduced T1/2, super-allowed branching ratio. Compared with other published results.
doi: 10.1140/epja/i2017-12271-0
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
2016AL03 Phys.Rev.Lett. 116, 072501 (2016) M.Alanssari, D.Frekers, T.Eronen, L.Canete, J.Dilling, M.Haaranen, J.Hakala, M.Holl, M.Jeskovsky, A.Jokinen, A.Kankainen, J.Koponen, A.J.Mayer, I.D.Moore, D.A.Nesterenko, I.Pohjalainen, P.Povinec, J.Reinikainen, S.Rinta-Antila, P.C.Srivastava, J.Suhonen, R.I.Thompson, A.Voss, M.E.Wieser Single and Double Beta-Decay Q Values among the Triplet96Zr, 96Nb, and 96Mo ATOMIC MASSES 96Zr, 96Nb, 96Mo; measured time-of-flight spectra using a Ramsey excitation pattern, cyclotron-frequency ratios; deduced Q-values for β and 2β-decays. Comparison with AME2012, IGISOL-JYFLTRAP facility.
doi: 10.1103/PhysRevLett.116.072501
2016AL30 Int.J. Mass Spectrom. 406, 1 (2016) M.Alanssari, D.Frekers, T.Eronen, L.Canete, J.Hakala, M.Holl, A.Jokinen, A.Kankainen, J.Koponen, I.D.Moore, D.A.Nesterenko, I.Pohjalainen, J.Reinikainen, S.Rinta-Antila, A.Voss Precision 71Ga-71Ge mass-difference measurement ATOMIC MASSES 71Ga, 71Ge; measured frequencies, TOF; deduced Q-values, solar neutrino flux.
doi: 10.1016/j.ijms.2016.05.019
2016CA22 Eur.Phys.J. A 52, 124 (2016); Erratum Eur.Phys.J. A 52, 302 (2016) L.Canete, A.Kankainen, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, V.S.Kolhinen, J.Koponen, I.D.Moore, J.Reinikainen, S.Rinta-Antila High-precision mass measurements of 25Al and 30P at JYFLTRAP NUCLEAR REACTIONS 25Al, 30P(p, γ), E=40 MeV; measured resonant proton-capture rates to several discrete states, frequency ratios using JYFLTRAP double Penning trap mass spectrometer; deduced mass excess. 25Al deduced EC Q-value. Compared to other data and AME03 and AME12 evaluations. ATOMIC MASSES 25Al, 30P; measured Ramsey time-of-flight ion-cyclotron resonance spectra, frequency ratios; deduced mass-excess values.
doi: 10.1140/epja/i2016-16124-0
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
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
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
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
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
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
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
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
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
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
2011HA35 Hyperfine Interactions 199, 201 (2011) J.Hakala, J.Rissanen, and the JYFLTRAP Collaboration Nuclear structure studies of neutron-rich fission fragments performed at JYFLTRAP
doi: 10.1007/s10751-011-0314-8
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
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
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
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
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
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
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
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
2009SA38 Phys.Rev. C 80, 044330 (2009) A.Saastamoinen, T.Eronen, A.Jokinen, V.-V.Elomaa, J.Hakala, A.Kankainen, I.D.Moore, S.Rahaman, J.Rissanen, C.Weber, J.Aysto, L.Trache Mass of 23Al for testing the isobaric multiplet mass equation ATOMIC MASSES 23Al, 23Mg; measured masses with JYFLTRAP Penning trap spectrometer using 23Na as a reference. 23Al, 23Mg, 23Na, 23Ne; analyzed isobaric multiplet mass equation (IMME) for T=3/2 system.
doi: 10.1103/PhysRevC.80.044330
2008BE21 Eur.Phys.J. A 36, 121 (2008) A.Bey, B.Blank, G.Canchel, C.Dossat, J.Giovinazzo, I.Matea, V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.Moore, H.Penttila, S.Rinta-Antila, A.Saastamoinen, T.Sonoda, J.Aysto, N.Adimi, G.de France, J.-C.Thomas, G.Voltolini, T.Chaventre Beta-decay branching ratios of 62Ga RADIOACTIVITY 62Ga(β+) [from 64Zn(p, X), E=48 MeV]; measured Eγ, Iγ, Eβ, Iβ, γγ-, βγ-coin; deduced absolute γ-ray transition probabilities and β-decay branching ratio.
doi: 10.1140/epja/i2008-10578-5
2008ER04 Phys.Rev.Lett. 100, 132502 (2008) T.Eronen, V.-V.Elomaa, U.Hager, J.Hakala, J.C.Hardy, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, S.Rahaman, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, T.Sonoda, C.Weber, J.Aysto QEC Values of the Superallowed β Emitters 50Mn and 54Co RADIOACTIVITY 50Mn, 54Co(EC); measured Q values using penning trap.
doi: 10.1103/PhysRevLett.100.132502
2008HA23 Phys.Rev.Lett. 101, 052502 (2008) J.Hakala, S.Rahaman, V.-V.Elomaa, T.Eronen, U.Hager, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, T.Sonoda, C.Weber, J.Aysto Evolution of the N = 50 Shell Gap Energy towards 78Ni ATOMIC MASSES 76,77,78,79,80Zn, 78,79,80,81,82,83Ga, 80,81,82,83,84,85Ge, 81,82,83,84,85,86,87As, 84,85,86,87,88,89Se; measured mass excess using the JYFLTRAP mass spectrometer and the IGISOL facility. Deduced neutron separation energies and N=50 shell gap.
doi: 10.1103/PhysRevLett.101.052502
2008KA30 Phys.Rev.Lett. 101, 142503 (2008) A.Kankainen, V.-V.Elomaa, L.Batist, S.Eliseev, T.Eronen, U.Hager, J.Hakala, A.Jokinen, I.D.Moore, Yu.N.Novikov, H.Penttila, A.Popov, S.Rahaman, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, D.M.Seliverstov, T.Sonoda, G.Vorobjev, C.Weber, J.Aysto Mass Measurements and Implications for the Energy of the High-Spin Isomer in 94Ag ATOMIC MASSES 92Rh, 94Pd; measured masses using the JYFLTRAP mass spectrometer. 93Pd, 94Ag; deduced masses.
doi: 10.1103/PhysRevLett.101.142503
2008MA39 Eur.Phys.J. A 37, 151 (2008); Erratum Eur.Phys.J. A 38, 247 (2008) I.Matea, J.Souin, J.Aysto, B.Blank, P.Delahaye, V.-V.Elomaa, T.Eronen, J.Giovinazzo, U.Hager, J.Hakala, J.Huikari, A.Jokinen, A.Kankainen, I.D.Moore, J.-L.Pedroza, S.Rahaman, J.Rissanen, J.Ronkainen, A.Saastamoinen, T.Sonoda, C.Weber Precise half-life measurement of the 26Si ground state RADIOACTIVITY 26Si(β+); measured Eγ, Iγ, Eβ, Iβ, βγ-coin, T1/2, β-branching ratio using the IGISOL technique with the JYFLTRAP facility. Comparison with other results.
doi: 10.1140/epja/i2008-10623-5
2008PE04 Appl.Radiat.Isot. 66, 530 (2008) K.Perajarvi, J.Turunen, J.Hakala, A.Jokinen, I.D.Moore, H.Penttila, A.Saastamoinen, T.Siiskonen, H.Toivonen, J.Aysto The decay of 133mXe RADIOACTIVITY 133Xe(IT); measured Eγ, Iγ, conversion electrons. Deduced ICC.
doi: 10.1016/j.apradiso.2007.11.010
2008RA09 Phys.Lett. B 662, 111 (2008) S.Rahaman, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, J.Julin, A.Kankainen, A.Saastamoinen, J.Suhonen, C.Weber, J.Aysto Q values of the 76Ge and 100Mo double-beta decays RADIOACTIVITY 76Ge, 100Mo(2β-); measured Q values using Penning trap.
doi: 10.1016/j.physletb.2008.02.047
2008SJ01 Phys.Rev. C 78, 064317 (2008) S.K.L.Sjue, D.Melconian, A.Garcia, I.Ahmad, A.Algora, J.Aysto, V.-V.Elomaa, T.Eronen, J.Hakala, S.Hoedl, A.Kankainen, T.Kessler, I.D.Moore, F.Naab, H.Penttila, S.Rahaman, A.Saastamoinen, H.E.Swanson, C.Weber, S.Triambak, K.Deryckx Electron-capture branch of 100Tc and tests of nuclear wave functions for double-β decays RADIOACTIVITY 100Tc(EC); measured X-ray spectra, Eγ, Iγ; deduced branching ratio, B(GT).
doi: 10.1103/PhysRevC.78.064317
2008SM01 Phys.Rev. C 77, 014309 (2008) D.L.Smith, H.Mach, H.Penttila, H.Bradley, J.Aysto, V.-V.Elomaa, T.Eronen, D.G.Ghita, J.Hakala, M.Hauth, A.Jokinen, P.Karvonen, T.Kessler, W.Kurcewicz, H.Lehmann, I.D.Moore, J.Nyberg, S.Rahaman, J.Rissanen, J.Ronkainen, P.Ronkanen, A.Saastamoinen, T.Sonoda, O.Steczkiewicz, C.Weber Lifetime measurements of the negative-parity 7- and 8- states in 122Cd RADIOACTIVITY 122Ag(β-) [from 238U(p, F), E=50 MeV]; measured Eγ, Iγ, γγ-coin, lifetimes. 122Cd; deduced levels, B(M1), B(E1), B(E2), half-lives using Advanced Time-delayed βγγ(t) method. Comparison with 124Sn, 126Te.
doi: 10.1103/PhysRevC.77.014309
2008WE10 Phys.Rev. C 78, 054310 (2008) C.Weber, V.-V.Elomaa, R.Ferrer, C.Frohlich, D.Ackermann, J.Aysto, G.Audi, L.Batist, K.Blaum, M.Block, A.Chaudhuri, M.Dworschak, S.Eliseev, T.Eronen, U.Hager, J.Hakala, F.Herfurth, F.P.Hessberger, S.Hofmann, A.Jokinen, A.Kankainen, H.-J.Kluge, K.Langanke, A.Martin, G.Martinez-Pinedo, M.Mazzocco, I.D.Moore, J.B.Neumayr, Yu.N.Novikov, H.Penttila, W.R.Plass, A.V.Popov, S.Rahaman, T.Rauscher, C.Rauth, J.Rissanen, D.Rodriguez, A.Saastamoinen, C.Scheidenberger, L.Schweikhard, D.M.Seliverstov, T.Sonoda, F.-K.Thielemann, P.G.Thirolf, G.K.Vorobjev Mass measurements in the vicinity of the r p-process and the ν p-process paths with the Penning trap facilities JYFLTRAP and SHIPTRAP ATOMIC MASSES 84Y, 87Zr, 88,89Mo, 88,89,90,91,92Tc, 90,91,92,93Ru, 92,93,94,95Rh, 94,95,95m,96Pd; measured masses. Comparison with evaluated data.
doi: 10.1103/PhysRevC.78.054310
2007AL58 Eur.Phys.J. Special Topics 150, 383 (2007) A.Algora, J.L.Tain, A.B.Perez, B.Rubio, J.Agramunt, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, 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, K.Burkard, W.Huller, L.Batist, W.Gelletly, T.Yoshida, A.L.Nichols, A.Sonzogni Exploring the reactor heat problem: Study of the beta decay of 104, 105Tc using the TAS technique
doi: 10.1140/epjst/e2007-00353-x
2007HA20 Phys.Rev. C 75, 064302 (2007) U.Hager, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, S.Rahaman, S.Rinta-Antila, A.Saastamoinen, T.Sonoda, J.Aysto Precision mass measurements of neutron-rich Tc, Ru, Rh, and Pd isotopes ATOMIC MASSES 106,107,108,109,110Tc, 106,107,108,109,110,111,112,113,114,115Ru, 108,109,110,111,112,113,114,115,116,117,118Rh, 112,113,114,115,116,117,118,119,120Pd; measured masses using the JYFLTRAP double penning trap setup.
doi: 10.1103/PhysRevC.75.064302
2007HA32 Nucl.Phys. A793, 20 (2007) U.Hager, A.Jokinen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Kankainen, S.Rahaman, J.Rissanen, I.D.Moore, S.Rinta-Antila, A.Saastamoinen, T.Sonoda, J.Aysto Precision mass measurements of neutron-rich yttrium and niobium isotopes ATOMIC MASSES 95,96,97,98,99,100,101Y, 101,102,103,104,105,106,107Nb; measured masses; analyzed two neutron separation energy. JYFLTRAP double Penning trap. Comparison with model predictions and previous data.
doi: 10.1016/j.nuclphysa.2007.06.011
2007KU06 Eur.Phys.J. A 31, 263 (2007) J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, I.Moore, H.Penttila, A.Plochocki, S.Rahaman, S.Rinta-Antila, J.Rissanen, J.Ronkainen, A.Saastamoinen, T.Sonoda, W.Urban, Ch.Weber, J.Aysto Penning trap assisted decay spectroscopy of neutron-rich 115Ru RADIOACTIVITY 115Ru(β-) [from 238U(p, F)]; measured Eγ, Iγ, γγ-coin. 115Rh deduced levels, J, π. Level systematics in neighboring nuclides discussed. NUCLEAR REACTIONS 238U(p, F), E=25 MeV; measured fission fragment yields. Mass separator, Penning trap.
doi: 10.1140/epja/i2007-10009-3
2007PE38 Eur.Phys.J. Special Topics 150, 317 (2007) H.Penttila, J.Aysto, V.-V.Elomaa, T.Eronen, D.Gorelov, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, T.Kessler, I.Moore, S.Rahaman, S.Rinta-Antila, V.Rubchenya, T.Sonoda Independent fission yields with JYFLTRAP NUCLEAR REACTIONS 238U(p, X), E=25, 50 MeV; measured isotopic fission fragment yields. Compared results to existing data and to model calculations.
doi: 10.1140/epjst/e2007-00335-0
2007RA23 Eur.Phys.J. A 32, 87 (2007) S.Rahaman, U.Hager, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, A.Kankainen, P.Karvonen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, T.Sonoda, J.Aysto Precise atomic masses of neutron-rich Br and Rb nuclei close to the r-process path ATOMIC MASSES 85,86,87,88,89,90,91,92Br, 94,95,96,97Rb; measured masses using the JYFLTRAP. Deduced Q-values. Compared results to previous measurements.
doi: 10.1140/epja/i2006-10297-y
2007RA27 Eur.Phys.J. A 34, 5 (2007) S.Rahaman, J.Hakala, V.-V.Elomaa, T.Eronen, U.Hager, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, C.Weber, J.Aysto Masses of neutron-rich Ni and Cu isotopes and the shell closure at Z = 28, N = 40 ATOMIC MASSES 70,71,72,73Ni, 73,75Cu; measured masses using the JYFLTRAP double Penning trap setup; analyzed two neutron and proton separation energies.
doi: 10.1140/epja/i2007-10489-y
2007RA38 Eur.Phys.J. Special Topics 150, 349 (2007) S.Rahaman, V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.D.Moore, H.Penttila, S.Rinta-Antila, J.Rissanen, A.Saastamoinen, T.Sonoda, C.Weber, J.Aysto Precision mass measurements of radioactive nuclei at JYFLTRAP
doi: 10.1140/epjst/e2007-00343-0
2007RI01 Eur.Phys.J. A 31, 1 (2007) S.Rinta-Antila, T.Eronen, V.-V.Elomaa, U.Hager, J.Hakala, A.Jokinen, P.Karvonen, H.Penttila, J.Rissanen, T.Sonoda, A.Saastamoinen, J.Aysto Decay study of neutron-rich zirconium isotopes employing a Penning trap as a spectroscopy tool RADIOACTIVITY 100,102,104Zr(β-); measured β-delayed Eγ, Iγ; deduced Qβ, log ft. 100,102,104Nb deduced levels, J, π. Penning trap. ATOMIC MASSES 100,102,104Zr, 100,102,104Nb; measured masses. Penning trap.
doi: 10.1140/epja/i2006-10158-9
2007RI17 Eur.Phys.J. A 34, 113 (2007) J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, S.Rahaman, S.Rinta-Antila, J.Aysto Conversion electron spectroscopy of isobarically purified trapped radioactive ions RADIOACTIVITY 117mPd, 118mAg, 120mAg, 118mIn(IT) [from U(p, F), E not given]; measured conversion electron spectra with the JYFLTRAP double Penning trap; deduced transition energies. Comparison with other data.
doi: 10.1140/epja/i2007-10495-1
2006ER03 Phys.Lett. B 636, 191 (2006) T.Eronen, V.Elomaa, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.Moore, H.Penttila, S.Rahaman, S.Rinta-Antila, A.Saastamoinen, T.Sonoda, J.Aysto, A.Bey, B.Blank, G.Canchel, C.Dossat, J.Giovinazzo, I.Matea, N.Adimi Q-value of the superallowed β decay of 62Ga ATOMIC MASSES 62Ga, 62Zn, 62Cu; measured masses. 62Ga deduced Q(EC). Penning trap mass spectrometer.
doi: 10.1016/j.physletb.2006.03.062
2006ER08 Phys.Rev.Lett. 97, 232501 (2006) T.Eronen, V.Elomaa, U.Hager, J.Hakala, A.Jokinen, A.Kankainen, I.Moore, H.Penttila, S.Rahaman, J.Rissanen, A.Saastamoinen, T.Sonoda, J.Aysto, J.C.Hardy, V.S.Kolhinen Q Values of the Superallowed β Emitters 26Alm, 42Sc, and 46V and Their Impact on Vud and the Unitarity of the Cabibbo-Kobayashi-Maskawa Matrix ATOMIC MASSES 26mAl, 42Sc, 46V; measured masses; deduced Q(EC). Comparison with previous results, implications for CKM matrix element discussed.
doi: 10.1103/PhysRevLett.97.232501
2006HA03 Phys.Rev.Lett. 96, 042504 (2006); Erratum Phys.Rev.Lett. 96, 069901 (2006) U.Hager, T.Eronen, J.Hakala, A.Jokinen, V.S.Kolhinen, S.Kopecky, I.Moore, A.Nieminen, M.Oinonen, S.Rinta-Antila, J.Szerypo, J.Aysto First Precision Mass Measurements of Refractory Fission Fragments ATOMIC MASSES 95,96,97,98,99,100Sr, 98,99,100,101,102,103,104,105Zr, 102,103,104,105,106,107,108,109,110Mo; measured masses. Penning trap spectrometer.
doi: 10.1103/PhysRevLett.96.042504
2006KA11 Eur.Phys.J. A 27, 67 (2006) A.Kankainen, T.Eronen, S.P.Fox, H.O.U.Fynbo, U.Hager, J.Hakala, J.Huikari, D.G.Jenkins, A.Jokinen, S.Kopecky, I.Moore, A.Nieminen, H.Penttila, S.Rinta-Antila, O.Tengblad, Y.Wang, J.Aysto Excited states in 31S studied via beta decay of 31Cl RADIOACTIVITY 31Cl(β+p) [from 32S(p, 2n), E=40-45 MeV]; measured β-delayed Eγ, Iγ, Ep, Ip; deduced log ft, branching. 31S deduced level energies. Mass separated source, comparison with shell model.
doi: 10.1140/epja/i2005-10236-6
2006KA48 Eur.Phys.J. A 29, 271 (2006) A.Kankainen, L.Batist, S.A.Eliseev, V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, A.Jokinen, I.Moore, Yu.N.Novikov, H.Penttila, K.Perajarvi, A.V.Popov, S.Rahaman, S.Rinta-Antila, P.Ronkanen, A.Saastamoinen, D.M.Seliverstov, T.Sonoda, G.K.Vorobjev, J.Aysto Mass measurements of neutron-deficient nuclides close to A = 80 with a Penning trap ATOMIC MASSES 80,81,82,83Y, 83,84,85,86,88Zr, 85,86,87,88Nb; measured masses. Penning trap.
doi: 10.1140/epja/i2006-10088-6
2005JO22 Eur.Phys.J. A 25, Supplement 1, 27 (2005) A.Jokinen, T.Eronen, U.Hager, J.Hakala, S.Kopecky, A.Nieminen, S.Rinta-Antila, J.Aysto Ion manipulation and precision measurements at JYFLTRAP ATOMIC MASSES 98,99,100,101,102,103,104,105Zr; measured masses. Penning trap mass spectrometer. NUCLEAR STRUCTURE Z=40; analyzed two-neutron separation energies.
doi: 10.1140/epjad/i2005-06-180-3
2005KA46 Eur.Phys.J. A 25, Supplement 1, 129 (2005) A.Kankainen, S.A.Eliseev, T.Eronen, S.P.Fox, U.Hager, J.Hakala, W.Huang, J.Huikari, D.Jenkins, A.Jokinen, S.Kopecky, I.Moore, A.Nieminen, Yu.N.Novikov, H.Penttila, A.V.Popov, S.Rinta-Antila, H.Schatz, D.M.Seliverstov, G.K.Vorobjev, Y.Wang, J.Aysto, and the IS403 Collaboration Beta-delayed gamma and proton spectroscopy near the Z = N line RADIOACTIVITY 31Cl(β+p) [from S(p, X), E=40 MeV]; measured β-delayed Eγ, Ep. 58Zn(β+) [from Nb(p, X), E=1.4 GeV]; measured Eγ, Iγ, βγ-coin, T1/2. 58Cu deduced levels, β-feeding intensities. 81mKr(EC), (IT); 81Y, 81Sr, 85Nb, 85Zr, 86Mo, 86Nb(EC) [from Ni, 54Fe(32S, X)]; measured Eγ, Iγ, E(ce), I(ce), T1/2. 81Kr, 85Zr, 85Nb deduced isomeric transitions T1/2, ICC. 85Zr, 86Nb deduced levels, J, π, ICC. 81Br deduced neutrino capture rate. Mass-separated sources.
doi: 10.1140/epjad/i2005-06-036-x
2005PE12 Nucl.Instrum.Methods Phys.Res. A546, 418 (2005) K.Perajarvi, J.Cerny, J.Hakala, J.Huikari, A.Jokinen, P.Karvonen, J.Kurpeta, D.Lee, I.Moore, H.Penttila, A.Popov, J.Aysto New ion-guide for the production of beams of neutron-rich nuclei between Z = 20 - 28 NUCLEAR REACTIONS 197Au(65Cu, X)62Co/63Co, E ≈ 400-460 MeV; measured yields. Ion-guide isotope separator. RADIOACTIVITY 63Co(β-) [from 197Au(65Cu, X)]; measured β-delayed Eγ, Iγ. Ion-guide isotope separator.
doi: 10.1016/j.nima.2005.03.124
2005PE22 Eur.Phys.J. A 25, Supplement 1, 745 (2005) H.Penttila, J.Billowes, P.Campbell, P.Dendooven, V.-V.Elomaa, T.Eronen, U.Hager, J.Hakala, J.Huikari, A.Jokinen, A.Kankainen, P.Karvonen, S.Kopecky, B.Marsh, I.Moore, A.Nieminen, A.Popov, S.Rinta-Antila, Y.Wang, J.Aysto Performance of IGISOL 3
doi: 10.1140/epjad/i2005-06-141-x
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