NSR Query Results
Output year order : Descending NSR database version of March 21, 2024. Search: Author = A.Kankainen Found 155 matches. Showing 1 to 100. [Next]2024DE01 Phys.Lett. B 848, 138352 (2024) R.P.de Groote, D.A.Nesterenko, A.Kankainen, M.L.Bissell, O.Beliuskina, J.Bonnard, P.Campbell, L.Canete, B.Cheal, C.Delafosse, A.de Roubin, C.S.Devlin, J.Dobaczewski, T.Eronen, R.F.Garcia Ruiz, S.Geldhof, W.Gins, M.Hukkanen, P.Imgram, R.Mathieson, A.Koszorus, I.D.Moore, I.Pohjalainen, M.Reponen, B.van den Borne, M.Vilen, S.Zadvornaya Measurements of binding energies and electromagnetic moments of silver isotopes – A complementary benchmark of density functional theory NUCLEAR MOMENTS 113,113m,115,115m,117,117m,119,119m,121,121m,123,123mAg; measured frequencies. 107,109Ag, 133Cs; deduced nuclear binding and excitation energies, J, magnetic dipole and electric quadrupole moments, the crucial role of the spin-orbit strength and time-odd mean fields play in the simultaneous description of electromagnetic moments and nuclear binding. Comparison with calculations performed with density functional theory (DFT). The JYFLTRAP mass spectrometer and the collinear laser spectroscopy beamline at the Ion Guide Isotope Separator On-Line (IGISOL) facility.
doi: 10.1016/j.physletb.2023.138352
2024IL01 Phys.Lett. B 848, 138371 (2024) A.Illana, R.M.Perez-Vidal, D.Stramaccioni, J.J.Valiente-Dobon, T.R.Rodriguez, L.M.Robledo, A.Poves, K.Auranen, O.Beliuskina, C.Delafosse, T.Eronen, Z.Ge, S.Geldhof, W.Gins, T.Grahn, P.T.Greenlees, H.Joukainen, R.Julin, H.Jutila, A.Kankainen, M.Leino, J.Louko, M.Luoma, D.Nesterenko, J.Ojala, J.Pakarinen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Uusitalo, G.L.Zimba Octupole correlations in the N = Z + 2 = 56 110Xe nucleus NUCLEAR REACTIONS 54Fe(58Ni, 2n)110Xe, E=255 MeV; measured reaction products, Eγ, Iγ, Eα, Iα; deduced γ-ray energies and intensities, J, π, an octupole band . Comparison with systematics, theoretical calculations using the symmetry-conserving configuration-mixing method, based on a Gogny energy density functional. The Recoil-Decay Tagging (RDT) technique, the Mass Analysing Recoil Apparatus (MARA) vacuum mode-recoil separator, the K130 cyclotron at the Accelerator Laboratory of the University of Jyvaskylaa (JYFL), Finland.
doi: 10.1016/j.physletb.2023.138371
2024JA03 Eur.Phys.J. A 60, 37 (2024) A.Jaries, M.Stryjczyk, A.Kankainen, T.Eronen, Z.Ge, M.Mougeot, A.Raggio, J.Ruotsalainen Reinvestigation of 91Sr and 95Y atomic masses using the JYFLTRAP Penning trap ATOMIC MASSES 91Sr, 95Y, 92Rb; measured frequencies; deduced mass-excess values. Comparison with the Atomic Mass Evaluation 2020 (AME20). The JYFLTRAP double Penning trap mass spectrometer.
doi: 10.1140/epja/s10050-024-01248-z
2023CL04 Eur.Phys.J. A 59, 204 (2023) J.Clark, G.Savard, M.Mumpower, A.Kankainen Precise mass measurements of radioactive nuclides for astrophysics
doi: 10.1140/epja/s10050-023-01037-0
2023GA20 Eur.Phys.J. A 59, 169 (2023) Z.Gao, A.Solders, A.Al-Adili, O.Beliuskina, T.Eronen, A.Kankainen, M.Lantz, I.D.Moore, D.A.Nesterenko, H.Penttila, S.Pomp, H.Sjostrand, for the IGISOL Collaboration Applying machine learning methods for the analysis of two-dimensional mass spectra ATOMIC MASSES 129In, 129Sn, 129Sb; measured frequencies; deduced the isomeric yield ratios. Comparison with available data. The Phase-Imaging Ion-Cyclotron-Resonance technique, the Penning trap (JYFLTRAP).
doi: 10.1140/epja/s10050-023-01080-x
2023GA27 Phys.Rev. C 108, 054613 (2023) Z.Gao, A.Solders, A.Al-Adili, S.Cannarozzo, M.Lantz, S.Pomp, O.Beliuskina, T.Eronen, S.Geldhof, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, for the IGISOL Collaboration Isomeric yield ratios in proton-induced fission of 238U
doi: 10.1103/PhysRevC.108.054613
2023GE04 Phys.Rev. C 108, 045502 (2023) Z.Ge, T.Eronen, A.de Roubin, M.Ramalho, J.Kostensalo, J.Kotila, J.Suhonen, D.A.Nesterenko, A.Kankainen, P.Ascher, O.Beliuskina, M.Flayol, M.Gerbaux, S.Grevy, M.Hukkanen, A.Husson, A.Jaries, A.Jokinen, I.D.Moore, P.Pirinen, J.Romero, M.Stryjczyk, V.Virtanen, A.Zadvornaya β- decay Q-value measurement of 136Cs and its implications for neutrino studies
doi: 10.1103/PhysRevC.108.045502
2023HU01 Phys.Rev. C 107, 014306 (2023) M.Hukkanen, W.Ryssens, P.Ascher, M.Bender, T.Eronen, S.Grevy, A.Kankainen, M.Stryjczyk, L.Al Ayoubi, S.Ayet, O.Beliuskina, C.Delafosse, W.Gins, M.Gerbaux, A.Husson, A.Jokinen, D.A.Nesterenko, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, A.P.Weaver Odd-odd neutron-rich rhodium isotopes studied with the double Penning trap JYFLTRAP ATOMIC MASSES 110,110m,112,112m,114,114m,116,116m,118,118m,120Rh; measured cyclotron frequency; deduced mass excess. 112Rh; calculated potential energy surfaces, singe particle neutron and proton states. Systematics of deformation parameter, triaxiality angle and neutron gaps for Ru, Rh and Pd isotopes. Comparison to AME2020, other experimental data and to theoretical predictions using the BSkG1 mass model. Phase-imaging ion-cyclotron-resonance (PI-ICR) technique. Isotopes produced in U(p, F), E=25 MeV at K-130 cyclotron. JYFLTRAP Penning trap mass spectrometer at the Ion Guide Isotope Separator On-Line (IGISOL) facility. RADIOACTIVITY 112,112mRh(β-)[from U(p, F), E=25 MeV]; measured Iβ; deduced T1/2. 112Rh; deduced the correct placement of ground and isomeric state and assigned J, π accordingly. Silicon detector placed after the JYFLTRAP Penning trap at IGISOL.
doi: 10.1103/PhysRevC.107.014306
2023HU25 Phys.Rev. C 108, 064315 (2023) M.Hukkanen, W.Ryssens, P.Ascher, M.Bender, T.Eronen, S.Grevy, A.Kankainen, M.Stryjczyk, L.Al Ayoubi, S.Ayet, O.Beliuskina, C.Delafosse, Z.Ge, M.Gerbaux, W.Gins, A.Husson, A.Jaries, S.Kujanpaa, M.Mougeot, D.A.Nesterenko, S.Nikas, H.Penttila, I.Pohjalainen, A.Raggio, M.Reponen, S.Rinta-Antila, A.de Roubin, J.Ruotsalainen, V.Virtanen, A.P.Weaver Binding energies of ground and isomeric states in neutron-rich ruthenium isotopes: Measurements at JYFLTRAP and comparison to theory
doi: 10.1103/PhysRevC.108.064315
2023JA10 Eur.Phys.J. A 59, 263 (2023) A.Jaries, M.Stryjczyk, A.Kankainen, T.Eronen, Z.Ge, M.Hukkanen, I.D.Moore, M.Mougeot, A.Raggio, W.Rattanasakuldilok, J.Ruotsalainen Precision mass measurement of 173Hf for nuclear structure of 173Lu and the γ process ATOMIC MASSES 173Hf; measured frequencies; deduced mass-excess value. Comparison with the Atomic Mass Evaluation 2020 (AME20), available data. The JYFLTRAP double Penning trap mass spectrometer, the Ion Guide Isotope Separator On-Line (IGISOL) facility at the University of Jyvaskyla, Finland.
doi: 10.1140/epja/s10050-023-01176-4
2023JA11 Phys.Rev. C 108, 064302 (2023) A.Jaries, M.Stryjczyk, A.Kankainen, L.Al Ayoubi, O.Beliuskina, P.Delahaye, T.Eronen, M.Flayol, Z.Ge, W.Gins, M.Hukkanen, D.Kahl, S.Kujanpaa, D.Kumar, I.D.Moore, M.Mougeot, D.A.Nesterenko, S.Nikas, H.Penttila, D.Pitman-Weymouth, I.Pohjalainen, A.Raggio, W.Rattanasakuldilok, A.de Roubin, J.Ruotsalainen, V.Virtanen High-precision Penning-trap mass measurements of Cd and In isotopes at JYFLTRAP remove the fluctuations in the two-neutron separation energies
doi: 10.1103/PhysRevC.108.064302
2023LA06 J.Phys.(London) G50, 033002 (2023) A.M.Laird, M.Lugaro, A.Kankainen, P.Adsley, D.W.Bardayan, H.E.Brinkman, B.Cote, C.M.Deibel, R.Diehl, F.Hammache, J.W.den Hartogh, J.Jose, D.Kurtulgil, C.Lederer-Woods, G.Lotay, G.Meynet, S.Palmerini, M.Pignatari, R.Reifarth, N.de Sereville, A.Sieverding, R.J.Stancliffe, T.C.L.Trueman, T.Lawson, J.S.Vink, C.Massimi, A.Mengoni Progress on nuclear reaction rates affecting the stellar production of 26Al NUCLEAR REACTIONS 25Mg, 25,26Al(p, γ), 26Al(n, p), (n, α), 25Mg(α, n), 23Na(α, p), 24,25Mg(n, γ), E<300 KeV; analyzed available data; deduced σ, reaction rates, resonance parameters.
doi: 10.1088/1361-6471/ac9cf8
2023MO07 Phys.Lett. B 839, 137833 (2023) A.Mollaebrahimi, C.Hornung, T.Dickel, D.Amanbayev, G.Kripko-Koncz, W.R.Plass, S.Ayet S.Andres, S.Beck, A.Blazhev, J.Bergmann, H.Geissel, M.Gorska, H.Grawe, F.Greiner, E.Haettner, N.Kalantar-Nayestanaki, I.Miskun, F.Nowacki, C.Scheidenberger, S.Bagchi, D.L.Balabanski, Z.Brencic, O.Charviakova, P.Constantin, M.Dehghan, J.Ebert, L.Grof, O.Hall, M.N.Harakeh, S.Kaur, A.Kankainen, R.Knobel, D.A.Kostyleva, N.Kurkova, N.Kuzminchuk, I.Mardor, D.Nichita, J.-H.Otto, Z.Patyk, S.Pietri, S.Purushothaman, M.P.Reiter, A.-K.Rink, H.Roesch, A.Spataru, G.Stanic, A.State, Y.K.Tanaka, M.Vencelj, H.Weick, J.S.Winfield, M.I.Yavor, J.Zhao Studying Gamow-Teller transitions and the assignment of isomeric and ground states at N = 50 NUCLEAR REACTIONS Be(124Xe, X), E=800 MeV/nucleon; measured reaction products, ToF. 94Ru, 94Rh, 94mRh, 96,97,97mRu, 97Pd, 97,97mAg, 98Pd, 98Cd, 99Ag, 100Pd, 100Ag, 100Cd, 101In; deduced mass excess and Q-values. Comparison with AME2020 evaluation. The FRS Ion Catcher (FRS-IC) at GSI, Germany.
doi: 10.1016/j.physletb.2023.137833
2023NE13 Phys.Rev. C 108, 054301 (2023) D.A.Nesterenko, J.Ruotsalainen, M.Stryjczyk, A.Kankainen, L.Al Ayoubi, O.Beliuskina, P.Delahaye, T.Eronen, M.Flayol, Z.Ge, W.Gins, M.Hukkanen, A.Jaries, D.Kahl, D.Kumar, S.Nikas, A.Ortiz-Cortes, H.Penttila, D.Pitman-Weymouth, A.Raggio, M.Ramalho, M.Reponen, S.Rinta-Antila, J.Romero, A.de Roubin, P.C.Srivastava, J.Suhonen, V.Virtanen, A.Zadvornaya High-precision measurements of low-lying isomeric states in 120-124In with the JYFLTRAP double Penning trap
doi: 10.1103/PhysRevC.108.054301
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
2023PL01 Phys.Rev.Lett. 131, 222502 (2023) P.Plattner, E.Wood, L.Al Ayoubi, O.Beliuskina, M.L.Bissell, K.Blaum, P.Campbell, B.Cheal, R.P.de Groote, C.S.Devlin, T.Eronen, L.Filippin, R.F.Garcia Ruiz, Z.Ge, S.Geldhof, W.Gins, M.Godefroid, H.Heylen, M.Hukkanen, P.Imgram, A.Jaries, A.Jokinen, A.Kanellakopoulos, A.Kankainen, S.Kaufmann, K.Konig, A.Koszorus, S.Kujanpaa, S.Lechner, S.Malbrunot-Ettenauer, P.Muller, R.Mathieson, I.Moore, W.Nortershauser, D.Nesterenko, R.Neugart, G.Neyens, A.Ortiz-Cortes, H.Penttila, I.Pohjalainen, A.Raggio, M.Reponen, S.Rinta-Antila, L.V.Rodriguez, J.Romero, R.Sanchez, F.Sommer, M.Stryjczyk, V.Virtanen, L.Xie, Z.Y.Xu, X.F.Yang, D.T.Yordanov Nuclear Charge Radius of 26mAl and Its Implication for Vud in the Quark Mixing Matrix NUCLEAR MOMENTS 26,26m,27Al [from 27Al(p, d), E=25 MeV]; measured frequencies; deduced resonance spectrum, isotope shifts, mean square charge radii, log ft values. Collinear laser spectroscopy. The COLLAPS beamline at ISOLDE-CERN and the IGISOL CLS beamline.
doi: 10.1103/PhysRevLett.131.222502
2023RE08 Phys.Rev. C 108, 014304 (2023) E.Rey-herme, A.Raggio, M.Vandebrouck, I.Moore, I.Pohjalainen, C.Delafosse, R.de Groote, Z.Ge, S.Geldhof, M.Hukkanen, A.Kankainen, A.Koszorus, D.Nesterenko, J.Saren, B.Sulignano, Ch.Theisen, D.Thisse, A.P.Weaver Level structure of 221Ac and 217Fr from decay spectroscopy, and reflection asymmetry in 221Ac RADIOACTIVITY 225Pa(α)[from 232Th(p, X), E=65 MeV]; 221Ac(α)[from 225Pa(α)]; measured Eα, Iα, Eγ, Iγ, Eβ, Iβ, αγ-coin, αβ-coin; deduced α-decay particle energies and intensities, hindrance factors. 221Ac; deduced levels, J, π, ICC, δ, transition intensities, band structure. 217Fr; deduced levels, J, π. Comparison between the proposed level scheme for 221Ac and the level scheme of 223Ac. Comparison to self-consistent blocked Hartree-Fock-Bogoliubov calculations using the energy density functional SLy5s1. Ions implanted into a carbon foil surrounded by silicon and germanium detectors at the Ion Guide Isotope Separation On-Line (IGISOL) facility.
doi: 10.1103/PhysRevC.108.014304
2023WI05 Phys.Lett. B 847, 138249 (2023) K.Wimmer, P.Ruotsalainen, S.M.Lenzi, A.Poves, T.Huyuk, F.Browne, P.Doornenbal, T.Koiwai, T.Arici, K.Auranen, M.A.Bentley, M.L.Cortes, C.Delafosse, T.Eronen, Z.Ge, T.Grahn, P.T.Greenlees, A.Illana, N.Imai, H.Joukainen, R.Julin, A.Jungclaus, H.Jutila, A.Kankainen, N.Kitamura, B.Longfellow, J.Louko, R.Lozeva, M.Luoma, B.Mauss, D.R.Napoli, M.Niikura, J.Ojala, J.Pakarinen, X.Pereira-Lopez, P.Rahkila, F.Recchia, M.Sandzelius, J.Saren, R.Taniuchi, H.Tann, S.Uthayakumaar, J.Uusitalo, V.Vaquero, R.Wadsworth, G.Zimba, R.Yajzey Isospin symmetry in the T = 1, A=62 triplet NUCLEAR REACTIONS 12C(62Zn, 62Zn'), (62Ga, 62Ga'), (62Ge, 62Ge'), E ∼ 165 MeV/nucleon; 24Mg(40Ca, 2n)62Ge, E=106 MeV; measured reaction products, Eγ, Iγ. 62Zn, 62Ga, 62Ge; deduced γ-ray energies, J, π, level schemes, mirror energy differences as a function of the spin of the state. Comparison with the shell-model calculations with the K3BGR (GXPF1A) effective interactions. The Radioactive Isotope Beam Facility operated by the RIKEN Nishina Center and CNS, University of Tokyo, and the Accelerator Laboratory of the University of Jyvaskyla (JYFL-ACCLAB).
doi: 10.1016/j.physletb.2023.138249
2022DE07 Eur.Phys.J. A 58, 51 (2022) C.Delafosse, A.Goasduff, A.Kankainen, D.Verney, L.Al Ayoubi, O.Beliuskina, L.Canete, T.Eronen, R.P.de Groote, M.Hukkanen, F.Ibrahim, A.Illana, A.Jaries, L.Lalanne, I.D.Moore, D.Nesterenko, H.Penttila, S.Rinta-Antila, A.de Roubin, D.Thisse, R.Thoer, G.Tocabens First trap-assisted decay spectroscopy of the 81Ge ground state RADIOACTIVITY 81Ge(β-)[from 232Th(p, X), E=35 MeV at the IGISOL facility of University of Jyvaskyla, followed by mass and charge separation using double Penning-trap mass spectrometer JYFLTRAP and ToF-ICR]; measured quadrupole excitation frequency, T1/2 of 81Ge g.s. decay by growth and decay timing, Eγ, Iγ, βγ-coin, γγ-coin. 81As; deduced levels, J, π, β feedings, logft, B(GT), doorway configurations. 81Ge; deduced T1/2 of only the g.s. as the known isomer in 81Ge not populated. Comparison of experimental 81As levels structure with shell-model calculations using JJ44B or JUN45 interactions, and with previous experimental results. Systematics of low-lying states in 71,73,75,77,79,81,83As; and those of the first and second 9/2+ states in 71,73,75,77,79,81,83As, 73,75,77,79,81,83,85Br, and 75,77,79,81,83,85,87,89Rb.
doi: 10.1140/epja/s10050-022-00698-7
2022ER01 Phys.Lett. B 830, 137135 (2022) T.Eronen, Z.Ge, A.de Roubin, M.Ramalho, J.Kostensalo, J.Kotila, O.Beliushkina, C.Delafosse, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, M.Stryjczyk, J.Suhonen High-precision measurement of a low Q value for allowed β-decay of 131I related to neutrino mass determination RADIOACTIVITY 131I(β-) [from U(p, X), E=30 MeV]; measured cyclotron frequency ratios; deduced Q-value, partial T1/2 for the transition. Comparison with the Atomic Mass Evaluation 2020, theoretical calculations. The double Penning trap mass spectrometer JYFLTRAP at the IGISOL facility, the K-130 cyclotron.
doi: 10.1016/j.physletb.2022.137135
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
2022GE07 Phys.Rev. C 106, 015502 (2022) Z.Ge, T.Eronen, A.de Roubin, J.Kostensalo, J.Suhonen, D.A.Nesterenko, O.Beliuskina, R.de Groote, C.Delafosse, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, J.Kotila, A.Koszorus, I.D.Moore, A.Raggio, S.Rinta-Antila, V.Virtanen, A.P.Weaver, A.Zadvornaya Direct determination of the atomic mass difference of the pairs 76As-76Se and 155Tb-155Gd rules out 76As and 155Tb as possible candidates for electron (anti)neutrino mass measurements ATOMIC MASSES 76As, 76Se; 155Tb, 155Gd; measured cyclotron frequency ratios using phase-imaging ion-cyclotron-resonance technique (PI-ICR) and high-precision Penning-trap mass spectrometry (PTMS) with a double Penning trap mass spectrometer (JYFLTRAP) at the IGISOL facility of the University of Jyvaskyla; deduced precise Q(β) values for 76As β- decay to 76Se and 155Tb ϵ decay to 155Gd. Comparison with evaluated data in AME2020. RADIOACTIVITY 76As(β-); 155Tb(EC); deduced precise Q(β) values from measurements of difference in mass excesses of 76As, 76Se, and 155Tb, 155Gd pairs; excluded these two cases as potential candidates for the search of ultra-low Q values for determination of electron-(anti)neutrino mass. Comparison with evaluated data in AME2020.
doi: 10.1103/PhysRevC.106.015502
2022GE11 Phys.Lett. B 832, 137226 (2022) Z.Ge, T.Eronen, A.de Roubin, K.S.Tyrin, L.Canete, S.Geldhof, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, I.D.Moore, D.A.Nesterenko, J.Suhonen, M.Vilen High-precision electron-capture Q value measurement of 111In for electron-neutrino mass determination RADIOACTIVITY 111In(EC) [from In(p, X), E=130 MeV]; measured Ramsey time-of-flight ion-cyclotron resonance (TOF-ICR), cyclotron frequency ratios; deduced Q-values to the ground and excited states. Comparison with AME2020 and the microscopic interacting boson-fermion model (IBFM-2) calculations. Ion Guide Isotope Separator On-Line facility (IGISOL) utilizing the JYFLTRAP double Penning trap mass spectrometer.
doi: 10.1016/j.physletb.2022.137226
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
2022KU09 Phys.Rev. C 105, 034316 (2022) J.Kurpeta, A.Abramuk, T.Rzaca-Urban, W.Urban, L.Canete, T.Eronen, S.Geldhof, M.Gierlik, J.P.Greene, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, G.S.Simpson, A.G.Smith, M.Vilen β- and γ-spectroscopy study of 119Pd and 119Ag RADIOACTIVITY 119,119mPd(β-)[from 253U(p, F), E=25 MeV]; measured Eβ, Iβ, Eγ, Iγ, βγ-coin, γγ-coin, γγ∓coin; deduced β-branching ratios, logft, T1/2. 252Cf(SF); measured Eγ, Iγ, γ(θ), γγγ-coin. 119Pd; levels, J, π, T1/2 for ground state and proposed 11/2- isomer. 119Ag; deduced levels, J, π, multipolarities, ICC, δ, structure of rotational band. Discovered 2 separate bands in 119Ag possibly feeded by 2 different β-decaying states in 119Pd. Systematics of low-energy excitations in odd-A isotopes of Rh, Ag, In, and selected low-energy levels in odd-A nuclei of cadmium (109Cd, 111Cd, 113Cd, 115Cd, 117Cd, 119Cd, 121Cd, 123Cd), the isotones of palladium. Isotopes of 119Pd were separated and purified using IGISOL technique and JYFLTRAP Penning trap. Gammas from 252Cf spontaneous fission were measured with Gammasphere array at ANL.
doi: 10.1103/PhysRevC.105.034316
2022LO05 Phys.Rev. C 105, L042801 (2022) G.Lotay, D.T.Doherty, R.V.F.Janssens, D.Seweryniak, H.M.Albers, S.Almaraz-Calderon, M.P.Carpenter, A.E.Champagne, C.J.Chiara, C.R.Hoffman, C.Iliadis, A.Kankainen, T.Lauritsen, S.Zhu Revised decay properties of the key 93-keV resonance in the 25Mg(p, γ) reaction and its influence on the MgAl cycle in astrophysical environments NUCLEAR REACTIONS 11B(16O, n), E=19 MeV; measured Eγ, Iγ, γ(θ), γγγ-coin. 26Al; deduced levels J, π, branchings. Obtained ground state branching for 93-keV resonance of 25Mg+p system which corresponds to 6398 keV level in 26Al. Comparison to other experimental data. Discussed impact on the production of cosmic γ rays. Gammasphere array with 99 detectors at ATLAS accelerator (ANL).
doi: 10.1103/PhysRevC.105.L042801
2022NE04 Eur.Phys.J. A 58, 44 (2022) D.A.Nesterenko, L.Jokiniemi, J.Kotila, A.Kankainen, Z.Ge, T.Eronen, S.Rinta-Antila, J.Suhonen High-precision Q-value measurement and nuclear matrix element calculations for the double-β decay of 98Mo ATOMIC MASSES 98Mo; measured cyclotron frequencies; deduced double-beta decay Q-value; calculated nuclear matrix elements using the proton-neutron quasiparticle random-phase approximation (pnQRPA) and the microscopic interacting boson model (IBM-2) frameworks. The JYFLTRAP Penning trap mass spectrometer.
doi: 10.1140/epja/s10050-022-00695-w
2022NE10 Phys.Rev. C 106, 024310 (2022) D.A.Nesterenko, K.Blaum, P.Delahaye, S.Eliseev, T.Eronen, P.Filianin, Z.Ge, M.Hukkanen, A.Kankainen, Yu.N.Novikov, A.V.Popov, A.Raggio, M.Stryjczyk, V.Virtanen Direct determination of the excitation energy of the quasistable isomer 180mTa ATOMIC MASSES 180,180mTa; measured cyclotron frequency with the phase-imaging ion-cyclotron-resonance (PI-ICR) technique using Penning-trap mass spectrometer (JYFLTRAP) at the Ion Guide Isotope Separator On-Line (IGISOL) facility of University of Jyvaskyla; deduced mass excesses, first direct precise determination of the excitation energy of naturally-occurring low-energy isomer of 180Ta. 180,180m produced in Ta(p, X), E=40 MeV reaction. Comparison with AME2020 evaluation. Relevance to search for dark matter, astrophysics, and development of a γ laser.
doi: 10.1103/PhysRevC.106.024310
2022RA20 Phys.Rev. C 106, 015501 (2022) M.Ramalho, Z.Ge, T.Eronen, D.A.Nesterenko, J.Jaatinen, A.Jokinen, A.Kankainen, J.Kostensalo, J.Kotila, M.I.Krivoruchenko, J.Suhonen, K.S.Tyrin, V.Virtanen Observation of an ultralow-Q-value electron-capture channel decaying to 75As via a high-precision mass measurement ATOMIC MASSES 75As, 76Ge; 77Se, 76Se; 94Mo, 95Mo; measured cyclotron frequency ratios using phase-imaging ion-cyclotron-resonance technique (PI-ICR) and high-precision Penning-trap mass spectrometry (PTMS) with a double Penning trap mass spectrometer (JYFLTRAP) at the IGISOL facility of the University of Jyvaskyla; deduced precise Q(β) values for decays of 75Se and 75Ge to 75As, with three ultra-low Q-value energetically valid β transitions, one of which as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020. RADIOACTIVITY 75Se(EC); 75Ge(β-); deduced precise Q(β) values from measurements of difference in mass excesses of 75As and 76Ge, and three ultra-low Q-value energetically valid β transitions, with one as a possible candidate for antineutrino mass determination. Comparison with evaluated data in AME2020. NUCLEAR STRUCTURE 75As; calculated levels, J, π using shell-model code NUSHELLX in a single-particle model space consisting of 1f5/2, 2p3/2, 2p1/2, and 1g9/2 neutron and proton orbitals, with jun45pn and jj44bpn interactions, and compared results with experimental data.
doi: 10.1103/PhysRevC.106.015501
2022RZ01 Phys.Rev. C 106, 024322 (2022) T.Rzaca-Urban, K.Sieja, M.Czerwinski, J.Kurpeta, M.Pomorski, W.Urban, J.Wisniewski, M.Wroblewski, L.Canete, T.Eronen, S.Geldhof, A.Jokinen, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, I.Pohjalainen, S.Rinta-Antila, A.de Roubin, M.Vilen Low-spin excitations in 89Br populated in β- decay of 89Se RADIOACTIVITY 89Se(β-), (β-n)[from U(p, F), E=30 MeV, followed by separation of fragments using Ion Guide Isotope Separator On-Line (IGISOL) facility and JYFLTRAP at Jyvaskyla]; measured fission fragment yields, Eγ, Iγ, γγ-coin. 89Se; deduced J, π, T1/2, %β-n or Pn for g.s. decay. 89Br; deduced levels, J, π, multipolarities, β feedings, Gamow-Teller transition, logft, configurations, occupation of neutron and proton orbitals. 88Br; deduced levels, J, π. Comparison with large-scale shell-model calculations. Systematics of level energies, J, π in 83,85,87As, 69,71,73,75,77,79,81,83,85,87,89Br, 87,89,91Rb, 89,91,93Y, 91,93,95Nb.
doi: 10.1103/PhysRevC.106.024322
2022SC17 J.Phys.(London) G49, 110502 (2022) H.Schatz, A.D.Becerril Reyes, A.Best, E.F.Brown, K.Chatziioannou, K.A.Chipps, C.M.Deibel, R.Ezzeddine, D.K.Galloway, C.J.Hansen, F.Herwig, A.P.Ji, M.Lugaro, Z.Meisel, D.Norman, J.S.Read, L.F.Roberts, A.Spyrou, I.Tews, F.X.Timmes, C.Travaglio, N.Vassh, C.Abia, P.Adsley, S.Agarwal, M.Aliotta, W.Aoki, A.Arcones, A.Aryan, A.Bandyopadhyay, A.Banu, D.W.Bardayan, J.Barnes, A.Bauswein, T.C.Beers, J.Bishop, T.Boztepe, B.Cote, M.E.Caplan, A.E.Champagne, J.A.Clark, M.Couder, A.Couture, S.E.de Mink, S.Debnath, R.J.deBoer, J.den Hartogh, P.Denissenkov, V.Dexheimer, I.Dillmann, J.E.Escher, M.A.Famiano, R.Farmer, R.Fisher, C.Frohlich, A.Frebel, C.Fryer, G.Fuller, A.K.Ganguly, S.Ghosh, B.K.Gibson, T.Gorda, K.N.Gourgouliatos, V.Graber, M.Gupta, W.C.Haxton, A.Heger, W.R.Hix, W.C.G.Ho, E.M.Holmbeck, A.A.Hood, S.Huth, G.Imbriani, R.G.Izzard, R.Jain, H.Jayatissa, Z.Johnston, T.Kajino, A.Kankainen, G.G.Kiss, A.Kwiatkowski, M.La Cognata, A.M.Laird, L.Lamia, P.Landry, E.Laplace, K.D.Launey, D.Leahy, G.Leckenby, A.Lennarz, B.Longfellow, A.E.Lovell, W.G.Lynch, S.M.Lyons, K.Maeda, E.Masha, C.Matei, J.Merc, B.Messer, F.Montes, A.Mukherjee, M.R.Mumpower, D.Neto, B.Nevins, W.G.Newton, L.Q.Nguyen, K.Nishikawa, N.Nishimura, F.M.Nunes, E.O'Connor, B.W.O'Shea, W.-J.Ong, S.D.Pain, M.A.Pajkos, M.Pignatari, R.G.Pizzone, V.M.Placco, T.Plewa, B.Pritychenko, A.Psaltis, D.Puentes, Y.-Z.Qian, D.Radice, D.Rapagnani, B.M.Rebeiro, R.Reifarth, A.L.Richard, N.Rijal, I.U.Roederer, J.S.Rojo, J.S K, Y.Saito, A.Schwenk, M.L.Sergi, R.S.Sidhu, A.Simon, T.Sivarani, A.Skuladottir, M.S.Smith, A.Spiridon, T.M.Sprouse, S.Starrfield, A.W.Steiner, F.Strieder, I.Sultana, R.Surman, T.Szucs, A.Tawfik, F.Thielemann, L.Trache, R.Trappitsch, M.B.Tsang, A.Tumino, S.Upadhyayula, J.O.Valle Martinez, M.Van der Swaelmen, C.Viscasillas Vazquez, A.Watts, B.Wehmeyer, M.Wiescher, C.Wrede, J.Yoon, R.G.T.Zegers, M.A.Zermane, M.Zingale, the Horizon 2020 Collaborations Horizons: nuclear astrophysics in the 2020s and beyond
doi: https://dx.doi.org/10.1088/1361-6471/ac8890
2021CA19 Phys.Rev. C 104, L022802 (2021) L.Canete, G.Lotay, G.Christian, D.T.Doherty, W.N.Catford, S.Hallam, D.Seweryniak, H.M.Albers, S.Almaraz-Calderon, E.A.Bennett, M.P.Carpenter, C.J.Chiara, J.P.Greene, C.R.Hoffman, R.V.F.Janssens, J.Jose, A.Kankainen, T.Lauritsen, A.Matta, M.Moukaddam, S.Ota, A.Saastamoinen, R.Wilkinson, S.Zhu New constraints on the 25Al (p, γ) reaction and its influence on the flux of cosmic γ rays from classical nova explosions NUCLEAR REACTIONS 11B(16O, p)26Mg, E=19 MeV from Argonne ATLAS accelerator; measured Eγ, Iγ, γγ-coin, γ(θ) and level half-lives by DSAM using Gammasphere array of 99 HPGe detectors. 2H(25Mg, p)26Mg, E=10 MeV/nucleon from Texas A and M cyclotron; measured outgoing protons and scattered deuterons using the TIARA Si array, and 26Mg recoils by the MDM-2 magnetic spectrometer with Oxford ionization chamber, angular distributions of scattered deuterons and protons. 26Mg; deduced levels, J, π, resonances, spectroscopic factors. 26Si; deduced levels, resonances, J, π, Γp, Γγ, resonance strengths by comparing with the level structures of mirror nucleus 26Mg. 25Al(p, γ)26Si, T=0.2-0.4 GK; deduced stellar reaction rate by considering the contribution of resonant states in 26Si, galactic abundance of 26Al from classical novae; performed nova outburst simulations using the hydrodynamic Lagrangian time-implicit code SHIVA.
doi: 10.1103/PhysRevC.104.L022802
2021GE04 Phys.Rev. C 103, 065502 (2021) Z.Ge, T.Eronen, A.de Roubin, D.A.Nesterenko, M.Hukkanen, O.Beliuskina, R.de Groote, S.Geldhof, W.Gins, A.Kankainen, A.Koszorus, J.Kotila, J.Kostensalo, I.D.Moore, A.Raggio, S.Rinta-Antila, J.Suhonen, V.Virtanen, A.P.Weaver, A.Zadvornaya, A.Jokinen Direct measurement of the mass difference of 72As - 72Ge rules out 72As as a promising β-decay candidate to determine the neutrino mass ATOMIC MASSES 72As; measured cyclotron frequency and mass excess by phase-imaging ion-cyclotron-resonance (PI-ICR) technique using IGISOL facility and JYFLTRAP double Penning trap mass spectrometer at the K-130 cyclotron of the University of Jyvaskyla, with the production of 72As in Ge(d, X), E=9 MeV reaction. 72As, 72Ge; deduced precise Q values for ϵ decay between the ground state of 72As and ground as well as excited states of 72Ge. Relevance to electron neutrino mass determination through precise mass measurements.
doi: 10.1103/PhysRevC.103.065502
2021GE11 Phys.Rev.Lett. 127, 272301 (2021) Z.Ge, T.Eronen, K.S.Tyrin, J.Kotila, J.Kostensalo, D.A.Nesterenko, O.Beliuskina, R.de Groote, A.de Roubin, S.Geldhof, W.Gins, M.Hukkanen, A.Jokinen, A.Kankainen, A.Koszorus, M.I.Krivoruchenko, S.Kujanpaa, I.D.Moore, A.Raggio, S.Rinta-Antila, J.Suhonen, V.Virtanen, A.P.Weaver, A.Zadvornaya 159Dy Electron-Capture: A New Candidate for Neutrino Mass Determination RADIOACTIVITY 159Dy(EC); measured frequencies; deduced Q-values for allowed Gamow-Teller transition, J, π, total decay constant. The Ion Guide Isotope Separator On-Line facility (IGISOL) using the double Penning trap mass spectrometer JYFLTRAP in the accelerator laboratory of the University of Jyvaskyla.
doi: 10.1103/physrevlett.127.272301
2021KA05 Phys.Lett. B 813, 136033 (2021) A.Kankainen, P.J.Woods, D.T.Doherty, H.M.Albers, M.Albers, A.D.Ayangeakaa, M.P.Carpenter, C.J.Chiara, J.L.Harker, R.V.F.Janssens, C.Lederer-Woods, D.Seweryniak, F.Strieder, S.Zhu Decay of the key 92-keV resonance in the 25Mg(p, γ) reaction to the ground and isomeric states of the cosmic γ-ray emitter 26Al NUCLEAR REACTIONS 24Mg(3He, p), E=10 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, γ-ray branches, J, π.
doi: 10.1016/j.physletb.2020.136033
2021MA22 Phys.Rev. C 103, 034319 (2021) I.Mardor, S.A.Andres, T.Dickel, D.Amanbayev, S.Beck, J.Bergmann, H.Geissel, L.Grof, E.Haettner, C.Hornung, N.Kalantar-Nayestanaki, G.Kripko-Koncz, I.Miskun, A.Mollaebrahimi, W.R.Plass, C.Scheidenberger, H.Weick, S.Bagchi, D.L.Balabanski, A.A.Bezbakh, Z.Brencic, O.Charviakova, V.Chudoba, P.Constantin, M.Dehghan, A.S.Fomichev, L.V.Grigorenko, O.Hall, M.N.Harakeh, J.-P.Hucka, A.Kankainen, O.Kiselev, R.Knobel, D.A.Kostyleva, S.A.Krupko, N.Kurkova, N.Kuzminchuk, I.Mukha, I.A.Muzalevskii, D.Nichita, C.Nociforo, Z.Patyk, M.Pfutzner, S.Pietri, S.Purushothaman, M.P.Reiter, H.Roesch, F.Schirru, P.G.Sharov, A.Spataru, G.Stanic, A.State, Y.K.Tanaka, M.Vencelj, M.I.Yavor, J.Zhao Mass measurements of As, Se, and Br nuclei, and their implication on the proton-neutron interaction strength toward the N=Z line ATOMIC MASSES 69As, 70,71Se, 71Br; measured mass-to-charge ratio spectra using the multiple-reflection time-of-flight mass spectrometer (MR-TOF-MS) at the Fragment Separator (FRS) at GSI; deduced mass excesses and compared to evaluated data in AME-2016, and proton-neutron interaction (δVpn) for odd-odd nuclei along the N=Z line above Z=29. Isotopes produced via fragmentation in 9Be(124Xe, X), E=982 MeV/nucleon, followed by separation of fragments using FRS separator at GSI.
doi: 10.1103/PhysRevC.103.034319
2021NE08 Eur.Phys.J. A 57, 302 (2021) D.A.Nesterenko, T.Eronen, Z.Ge, A.Kankainen, M.Vilen Study of radial motion phase advance during motion excitations in a Penning trap and accuracy of JYFLTRAP mass spectrometer
doi: 10.1140/epja/s10050-021-00608-3
2021NE09 Eur.Phys.J. A 57, 302 (2021) D.A.Nesterenko, T.Eronen, Z.Ge, A.Kankainen, M.Vilen Study of radial motion phase advance during motion excitations in a Penning trap and accuracy of JYFLTRAP mass spectrometer
doi: 10.1140/epja/s10050-021-00608-3
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
2020DE20 Phys.Rev.Lett. 124, 222503 (2020) A.de Roubin, J.Kostensalo, T.Eronen, L.Canete, R.P.de Groote, A.Jokinen, A.Kankainen, D.A.Nesterenko, I.D.Moore, S.Rinta-Antila, J.Suhonen, M.Vilen High-Precision Q-Value Measurement Confirms the Potential of 135Cs for Absolute Antineutrino Mass Scale Determination RADIOACTIVITY 135Cs(β-); measured decay products, frequencies; deduced ground-state-to-ground-state β-decay Q-value. Comparison with AME 2016 data.
doi: 10.1103/PhysRevLett.124.222503
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
2020SP03 Acta Phys.Pol. B51, 817 (2020) A.Spataru, D.L.Balabanski, O.Beliuskina, P.Constantin, T.Dickel, C.Hornung, A.Kankainen, A.V.Karpov, D.Nichita, W.Plass, S.Purushothaman, A.Rotaru, V.V.Saiko, A.State, J.S.Winfield, A.Zadvornaya Production of Exotic Nuclei via MNT Reactions Using Gas Cells
doi: 10.5506/APhysPolB.51.817
2020VI04 Phys.Rev. C 101, 034312 (2020) M.Vilen, J.M.Kelly, A.Kankainen, M.Brodeur, A.Aprahamian, L.Canete, R.P.de Groote, A.de Roubin, T.Eronen, A.Jokinen, I.D.Moore, M.R.Mumpower, D.A.Nesterenko, J.O'Brien, A.Pardo Perdomo, H.Penttila, M.Reponen, S.Rinta-Antila, R.Surman Exploring the mass surface near the rare-earth abundance peak via precision mass measurements at JYFLTRAP ATOMIC MASSES 154Nd, 161Pm, 163Sm, 162,162m,163,164,165Eu, 163,163m,167Gd, 165,166,167,168Tb; measured time-of-flight ion-cyclotron-resonances (TOF-ICR) and phase-imaging ion-cyclotron-resonances (PI-ICR), frequency ratios, mass excesses using the JYFLTRAP double penning trap at the IGISOL facility of University of Jyvaskyla; deduced S(n), S(2n), pairing-gap energies, and average proton neutron interaction of valence nucleons. 162mEu, 163mGd; deduced absolute energies of the isomers. Comparison with previous experimental measurements, and with evaluated data in AME2016. Isotopes formed in U(p, F), E=25 MeV reaction. Discussed impact on solar r-process abundances as a function of the mass number.
doi: 10.1103/PhysRevC.101.034312
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
2019HO18 J.Phys.(London) G46, 083001 (2019) C.J.Horowitz, A.Arcones, B.Cote, I.Dillmann, W.Nazarewicz, I.U.Roederer, H.Schatz, A.Aprahamian, D.Atanasov, A.Bauswein, T.C.Beers, J.Bliss, M.Brodeur, J.A.Clark, A.Frebel, F.Foucart, C.J.Hansen, O.Just, A.Kankainen, G.C.McLaughlin, J.M.Kelly, S.N.Liddick, D.M.Lee, J.Lippuner, D.Martin, J.Mendoza-Temis, B.D.Metzger, M.R.Mumpower, G.Perdikakis, J.Pereira, B.W.O'Shea, R.Reifarth, A.M.Rogers, D.M.Siegel, A.Spyrou, R.Surman, X.Tang, T.Uesaka, M.Wang r-process nucleosynthesis: connecting rare-isotope beam facilities with the cosmos
doi: 10.1088/1361-6471/ab0849
2019KA44 Phys.Lett. B 797, 134803 (2019) D.Kahl, P.J.Woods, T.Poxon-Pearson, F.M.Nunes, B.A.Brown, H.Schatz, T.Baumann, D.Bazin, J.A.Belarge, P.C.Bender, B.Elman, A.Estrade, A.Gade, A.Kankainen, C.Lederer-Woods, S.Lipschutz, B.Longfellow, S.-J.Lonsdale, E.Lunderberg, F.Montes, W.J.Ong, G.Perdikakis, J.Pereira, C.Sullivan, R.Taverner, D.Weisshaar, R.Zegers Single-particle shell strengths near the doubly magic nucleus 56Ni and the 56Ni(p, γ)57Cu reaction rate in explosive astrophysical burning NUCLEAR REACTIONS 2H(56Ni, n), (56Ni, p), E=33.6 MeV/nucleon; measured reaction products, Eγ, Iγ. 57Cu; deduced σ, spectroscopic factors, resonance parameters, astrophysical reaction rates.
doi: 10.1016/j.physletb.2019.134803
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
2019KU16 Phys.Rev. C 100, 034316 (2019) J.Kurpeta, A.Plochocki, W.Urban, A.Abramuk, L.Canete, T.Eronen, A.Fijalkowska, S.Geldhof, K.Gotowicka, A.Jokinen, A.Kankainen, I.D.Moore, D.Nesterenko, H.Penttila, I.Pohjalainen, M.Pomorski, M.Reponen, S.Rinta-Antila, A.de Roubin, T.Rzaca-Urban, M.Vilen, J.Wisniewski First β-decay scheme of 107Nb: New insight into the low-energy levels of 107Mo RADIOACTIVITY 107Nb(β-)[from U(p, F), E=25 MeV from the K-130 cyclotron at the University of Jyvaskyla, followed by separation of fission fragments using IGISOL-4 for mass separation, and JYFLTRAP Penning trap for isobaric purification]; measured yields of Mo and Nb ions, Eγ, Iγ, γγ- and βγ-coin, γ(Kα x-ray)-coin, half-life of the decay of 107Nb using a plastic scintillator for β particles and three Ge detectors for low-energy γ rays. 107Mo; deduced levels, J, π, bands, K-conversion coefficients for three transitions, total conversion coefficient for one transition, multipolarities, β feedings, logft. Systematics of energies of the first and second 1/2+ levels in N=55-71, Z(even)=40-46. Comparison of the experimental γ-ray transition intensities between low-lying levels in 105Mo and 107Mo. Discussed the revised energy of the 420-ns isomer.
doi: 10.1103/PhysRevC.100.034316
2019LO04 Phys.Rev. C 99, 044310 (2019) Ch.Lorenz, L.G.Sarmiento, D.Rudolph, P.Golubev, T.Eronen, D.A.Nesterenko, A.Kankainen, L.Canete, D.M.Cox, A.Fernandez, U.Forsberg, A.Jungclaus, I.Kojouharov, N.Kurz, N.Lalovic, J.Partanen, M.Reponen, S.Rinta-Antila, A.de Roubin, A.Saamark-Roth, V.Vaquero, M.Vilen β decay of 127Cd and excited states in 127In RADIOACTIVITY 127,127mCd(β-)[from 238U(p, F) followed by high-resolution mass separation in JYFL Penning trap]; measured β, Eγ, Iγ, βγγ- and γγ-coin, half-lives of 127Cd g.s. and isomer, isomeric ratios using double-sided-silicon-strip detectors and HPGe detectors of the TASISpec decay station at IGISOL, University of Jyvaskyla. 127In; deduced levels, J, π, β feedings, logft values, Gamow-Teller strength distributions, configurations. Comparison with large-scale shell model calculations, and with previous experimental results. NUCLEAR STRUCTURE 125,127,129Cd, 125,127,129In; calculated levels, J, π, sums of partitions of selected wave functions using large-scale shell-model with jj45 and NA-14 interactions, and compared with experimental data.
doi: 10.1103/PhysRevC.99.044310
2019LO09 Eur.Phys.J. A 55, 109 (2019) G.Lotay, D.T.Doherty, D.Seweryniak, S.Almaraz-Calderon, M.P.Carpenter, C.J.Chiara, H.M.David, C.R.Hoffman, R.V.F.Janssens, A.Kankainen, T.Lauritsen, R.Wilkinson, P.J.Woods, S.Zhu Identification of γ-decaying resonant states in 26Mg and their importance for the astrophysical s process
doi: 10.1140/epja/i2019-12791-5
2019NE08 Int.J. Mass Spectrom. 435, 204 (2019) D.A.Nesterenko, L.Canete, T.Eronen, A.Jokinen, A.Kankainen, Yu.N.Novikov, S.Rinta-Antila, A.de Roubin, M.Vilen High-precision measurement of the mass difference between 102Pd and 102Ru ATOMIC MASSES 102Pd, 102Ru; measured TOF and cyclotron resonance frequencies; deduced Q-value, mass difference. Penning-trap mass spectrometer JYFLTRAP.
doi: 10.1016/j.ijms.2018.10.038
2019RA01 Phys.Rev. C 99, 014617 (2019) V.Rakopoulos, M.Lantz, S.Pomp, A.Solders, A.Al-Adili, L.Canete, T.Eronen, A.Jokinen, A.Kankainen, A.Mattera, I.D.Moore, D.A.Nesterenko, M.Reponen, S.Rinta-Antila, A.de Roubin, M.Vilen, M.Osterlund, H.Penttila Isomeric fission yield ratios for odd-mass Cd and In isotopes using the phase-imaging ion-cyclotron-resonance technique NUCLEAR REACTIONS U(p, F)81Ge/81mGe/119Cd/119mCd/121Cd/121mCd/123Cd/123mCd/125Cd/125mCd/127Cd/127mCd/119In/119mIn/121In/121mIn/123In/123mIn/125In/125mIn/127In/127mIn/129Sb/129mSb, E=25 MeV; measured isomeric yield ratios of fission products using the JYFLTRAP double Penning trap, and phase-imaging ion cyclotron-resonance (PI-ICR) technique at IGISOL facility of University of Jyvaskyla; deduced average rms angular momentum using TALYS code, and correlation between electric quadrupole moments and average angular momentum for In and Cd isotopes.
doi: 10.1103/PhysRevC.99.014617
2019VI05 Phys.Rev. C 100, 054333 (2019) M.Vilen, A.Kankainen, P.Baczyk, L.Canete, J.Dobaczewski, T.Eronen, S.Geldhof, A.Jokinen, M.Konieczka, J.Kostensalo, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, M.Reponen, S.Rinta-Antila, A.de Roubin, W.Satula, J.Suhonen High-precision mass measurements and production of neutron-deficient isotopes using heavy-ion beams at IGISOL ATOMIC MASSES 82Zr, 84Nb, 86Mo, 88Tc, 88mTc, 89Ru; measured cyclotron frequencies, time-of-flight, and mass excesses using time-of-flight ion-cyclotron resonance (TOF-ICR), and phase-imaging ion-cyclotron resonance (PI-ICR) techniques at the University of Jyvaskyla accelerator laboratory; deduced S(2n), S(2p) and neutron-pairing gap energies. 82Mo, 86Ru; predicted mass excesses using the measured masses of their mirror partners and theoretical mirror displacement energies. Comparison with AME-2016 values, and with other recent measurements. 88Tc; deduced levels, J, π of the ground state and isomer, and compared with shell-model predictions. NUCLEAR REACTIONS Ni(36Ar, X)82Zr/84Nb/86Mo/88Tc/88mTc/89Ru, E=222 MeV; measured reaction products and yields using the HIGISOL system, mass separated using a radio-frequency sextupole ion guide (SPIG), and injected into the double-Penning-trap mass spectrometer JYFLTRAP at Jyvaskyla.
doi: 10.1103/PhysRevC.100.054333
2019WI11 Phys.Rev. C 100, 054331 (2019) J.Wisniewski, W.Urban, M.Czerwinski, J.Kurpeta, A.Plochocki, M.Pomorski, T.Rzaca-Urban, K.Sieja, L.Canete, T.Eronen, S.Geldhof, A.Jokinen, A.Kankainen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, S.Rinta-Antila, A.de Roubin, M.Vilen Excited states in 87Br populated in β decay of 87Se RADIOACTIVITY 87Se(β-)[from Th(p, F), E=25 MeV using the IGISOL technique, then separated on a dipole magnet and JYFLTRAP Penning trap setup]; measured Eγ, Iγ, γγ-coin using an array of six high-resolution Ge detectors with thin carbon windows at the University of Jyvaskyla. 87Br; deduced levels, J, π, β feedings, logft values, configurations. 87Se; deduced ground-state Jπ. Comparison with large-scale shell-model calculations, and with previous experimental results.
doi: 10.1103/PhysRevC.100.054331
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
2018KU13 Phys.Rev. C 98, 024318 (2018) J.Kurpeta, A.Plochocki, W.Urban, T.Eronen, A.Jokinen, A.Kankainen, V.S.Kolhinen, I.D.Moore, H.Penttila, M.Pomorski, S.Rinta-Antila, T.Rzaca-Urban, J.Wisniewski Excited levels in the multishaped 117Pd nucleus studied via β decay of 117Rh RADIOACTIVITY 117Rh(β-)[from 238U(p, F), E=25 MeV followed by separation of 117Rh using IGISOL-4 mass separator coupled to the JYFLTRAP Penning trap at Jyvaskyla]; measured Eγ, Iγ, Pd x-rays, βγ-, (x-ray)γ- and γγ-coin, half-life of 117Rh decay from γ-decay curves using plastic scintillator for β detection and Ge detectors for γ detection. 117Pd; deduced levels, J, π, β feedings, logft values, configurations, Gamow-Teller transition strengths. 117Rh; deduced preliminary J and π of ground state from theoretical calculations and systematics of Rh isotopes. Systematics of low-spin levels in odd A=101-119 Rh isotopes and odd A=103-117 Pd isotopes, isomeric states and γ transitions in odd A=105-117 Pd isotopes, and negative-parity levels in odd A, N=57-71 Mo, Ru, and Pd isotopes.
doi: 10.1103/PhysRevC.98.024318
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
2018NE09 Eur.Phys.J. A 54, 154 (2018) D.A.Nesterenko, T.Eronen, A.Kankainen, L.Canete, A.Jokinen, I.D.Moore, H.Penttila, S.Rinta-Antila, A.de Roubin, M.Vilen Phase-Imaging Ion-Cyclotron-Resonance technique at the JYFLTRAP double Penning trap mass spectrometer
2018RA19 Phys.Rev. C 98, 024612 (2018) V.Rakopoulos, M.Lantz, A.Solders, A.Al-Adili, A.Mattera, L.Canete, T.Eronen, D.Gorelov, A.Jokinen, A.Kankainen, V.S.Kolhinen, I.D.Moore, D.A.Nesterenko, H.Penttila, I.Pohjalainen, S.Rinta-Antila, V.Simutkin, M.Vilen, A.Voss, S.Pomp First isomeric yield ratio measurements by direct ion counting and implications for the angular momentum of the primary fission fragments NUCLEAR REACTIONS U, 232Th(p, F)81Ge/81mGe/96Y/96mY/97Y/97mY/128Sn/128mSn/130Sn/130mSn/129Sb/129mSb, E=25 MeV; measured fission fragment time of flight, mass, isomeric yield ratios using JYFLTRAP for fragment separation and microchannel plate for particle detection at IGISOL-Jyvaskyla facility. Comparison with theoretical calculations of fission fragment isomeric yield ratios and rms spin of fragments using GEF code and TALYS code with constant temperature Fermi gas model, back-shifted Fermi gas model (BSFG), and the microscopic level densities of Goriely. Comparison with previous experimental values.
doi: 10.1103/PhysRevC.98.024612
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
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
2017KA25 Phys.Lett. B 769, 549 (2017) A.Kankainen, P.J.Woods, H.Schatz, T.Poxon-Pearson, D.T.Doherty, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, A.Estrade, A.Gade, J.Jose, A.Kontos, C.Langer, G.Lotay, Z.Meisel, F.Montes, S.Noji, F.Nunes, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Measurement of key resonance states for the 30P(p, γ)31S reaction rate, and the production of intermediate-mass elements in nova explosions NUCLEAR REACTIONS 2H(30P, n)31S, E=30 MeV/nucleon; measured reaction products, Eγ, Iγ; deduced γ-ray energies and relative intensities, σ, negative-parity states, spectroscopic factors, resonance parameters, astrophysical reaction rates. The GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), the National Superconducting Cyclotron Laboratory, Michigan State University.
doi: 10.1016/j.physletb.2017.01.084
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
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
2016AG03 Nucl.Instrum.Methods Phys.Res. A807, 69 (2016) J.Agramunt, J.L.Tain, M.B.Gomez Hornillos, A.R.Garcia, F.Albiol, A.Algora, R.Caballero-Folch, F.Calvino, D.Cano-Ott, G.Cortes, C.Domingo-Pardo, T.Eronen, W.Gelletly, D.Gorelov, V.Gorlychev, H.Hakala, A.Jokinen, M.D.Jordan, A.Kankainen, V.Kolhinen, L.Kucuk, T.Martinez, P.J.R.Mason, I.Moore, H.Penttila, Zs.Podolyak, C.Pretel, M.Reponen, A.Riego, J.Rissanen, B.Rubio, A.Saastamoinen, A.Tarifeno-Saldivia, E.Valencia Characterization of a neutron-beta counting system with beta-delayed neutron emitters RADIOACTIVITY 94,95Rb, 88Br, 137I(β-n); measured decay products, Eβ, Iβ, En, In; deduced neutron emission probabilities, β-spectra. Comparison with Monte Carlo calculations.
doi: 10.1016/j.nima.2015.10.082
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
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
2016KA05 Eur.Phys.J. A 52, 6 (2016) A.Kankainen, P.J.Woods, F.Nunes, C.Langer, H.Schatz, V.Bader, T.Baugher, D.Bazin, B.A.Brown, J.Browne, D.T.Doherty, A.Estrade, A.Gade, A.Kontos, G.Lotay, Z.Meisel, F.Montes, S.Noji, G.Perdikakis, J.Pereira, F.Recchia, T.Redpath, R.Stroberg, M.Scott, D.Seweryniak, J.Stevens, D.Weisshaar, K.Wimmer, R.Zegers Angle-integrated measurements of the 26Al (d, n) 27Si reaction cross section: a probe of spectroscopic factors and astrophysical resonance strengths NUCLEAR REACTIONS 2H(26Al, n), E=30 MeV/nucleon; measured 511 keV γ-ray using GRETINA (Gamma-Ray Energy Tracking In-beam Nuclear Array), Si recoils, (Si)γ-coin; deduced Doppler-reconstructed γ-ray spectrum in coincidence with Si, σ, resonances, spectroscopic factors to discrete states; calculated σ using shell model.
doi: 10.1140/epja/i2016-16006-5
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
2016SA60 Eur.Phys.J.Plus 131, 272 (2016) A.Saastamoinen, A.Kankainen, L.Trache Beta-decay of 31Cl: an indirect probe of the 30P(p, γ)31S reaction. Present status and future perspectives RADIOACTIVITY 31Cl(β+), (p)[from 1H(32S, 31Cl)2n, E=40 MeV/nucleon in-flight production]; measured 31Cl implanted into detector setup consisting of MSL W1 type DSSSD, 1mm thick Si-pad and HPGe (TAMU) or MSL BB2 type DSSSD as the first detector Eγ, Iγ, Eβ, γγ-coin, βγ-coin or another configuration at NSCL; deduced Ep from 31Cl-decay, level energy, J, π, γ transitions above Sp. Compared with other results.
doi: 10.1140/epjp/i2016-16272-6
2015DO07 Phys.Rev. C 92, 035808 (2015) D.T.Doherty, P.J.Woods, D.Seweryniak, M.Albers, A.D.Ayangeakaa, M.P.Carpenter, C.J.Chiara, H.M.David, J.L.Harker, R.V.F.Janssens, A.Kankainen, C.Lederer, S.Zhu Structure of resonances in the Gamow burning window for the 25Al(p, γ)26Si reaction in novae NUCLEAR REACTIONS 24Mg(3He, n), E=10 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using Gammasphere array at ATLAS-ANL. 26Si; deduced levels, J, π, ΔJ, multipolarity, mirror assignments with levels in 26Mg. Comparison with sd-shell-model calculations. Relevance to 25Al(p, γ)26Si reaction of astrophysical interest, and Gamow burning window.
doi: 10.1103/PhysRevC.92.035808
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
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
2014KA01 Hyperfine Interactions 223, 121 (2014) A.Kankainen, A.Honkanen, K.Perajarvi, A.Saastamoinen Decays of TZ = -3/2 nuclei 23Al, 31Cl, and 41Ti RADIOACTIVITY 23Al, 31Cl, 41Ti(β+); measured decay products; Eβ, Iβ, Eγ, Iγ; deduced Gamow-Teller strengths. Comparison with available data.
doi: 10.1007/s10751-012-0625-4
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
2014MA15 Phys.Lett. B 731, 358 (2014) V.Margerin, A.St.J.Murphy, T.Davinson, R.Dressler, J.Fallis, A.Kankainen, A.M.Laird, G.Lotay, D.J.Mountford, C.D.Murphy, C.Seiffert, D.Schumann, T.Stowasser, T.Stora, C.H.-T.Wang, P.J.Woods Study of the 44Ti(α, p)47V reaction and implications for core collapse supernovae NUCLEAR REACTIONS 4He(44Ti, p), E=2.1 MeV/nucleon; measured reaction products, Ep, Ip; deduced σ. Comparison with NON-SMOKER calculations, available data.
doi: 10.1016/j.physletb.2014.03.003
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
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
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
2012KA11 Eur.Phys.J. A 48, 50 (2012) A.Kankainen, Yu.N.Novikov, H.Schatz, C.Weber Mass measurements of neutron-deficient nuclei and their implications for astrophysics COMPILATION Z=12-57; compiled, evaluated mass excess, separation energy from JYFLTRAP and AME03.
doi: 10.1140/epja/i2012-12050-5
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
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