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Search: Author = T.Faestermann

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2024FA01      Eur.Phys.J. A 60, 41 (2024)

T.Faestermann

Superallowed beta-decay between isobaric analog states up to A=99

RADIOACTIVITY 7Be, 9B, 11C, 13N, 15O, 17F, 19Ne, 21Na, 23Mg, 25Al, 27Si, 29P, 31S, 33Cl, 35Ar, 37K, 39Ca, 41Sc, 43Ti, 45V, 47Cr, 49Mn, 51Cr, 53Co, 55Ni, 57Cu, 59Zn, 61Ga, 63Ge, 65As, 67Se, 69Br, 71Kr, 73Rb, 75Sr, 77Y, 79Zr, 81Nb, 83Mo, 85Tc, 87Ru, 89Rh, 91Pd, 93Ag, 95Cd, 97In, 99Sn(EC); calculated Q-values, T1/2 for T=1 emitters of the pure Fermi decays. Comparison with available data.

doi: 10.1140/epja/s10050-024-01263-0
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2023BU08      Phys.Rev. C 108, 014310 (2023)

D.Bucurescu, S.Pascu, G.Graw, R.Hertenberger, H.-F.Wirth, T.Faestermann, R.Krucken, M.Mahgoub, J.Jolie, P.von Brentano, S.Heinze, O.Moller, R.F.Casten, D.A.Meyer Brittingham

Updated analysis of the 170Er (p, t) 168Er reaction data

NUCLEAR REACTIONS 170Er(p, t)168Er, E=25 MeV; measured angular distributions; deduced exclusive σ(θ) to particular levels of 168Er, integrated σ. 168Er; deduced levels, J, π. Comparison of obtained σ(θ) compared with coupled channels calculations (CHUCK3). Comparison of obtained 168Er levels with prediction of the interacting boson model 1 with s, p, d, and f bosons (spdf-IBM-1). Q3D spectrograph.

doi: 10.1103/PhysRevC.108.014310
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2023CA14      Phys.Rev. C 108, 045802 (2023)

D.P.Carrasco-Rojas, M.Williams, P.Adsley, L.Lamia, B.Bastin, T.Faestermann, C.Fougeres, F.Hammache, D.S.Harrouz, R.Hertenberger, M.La Cognata, A.Meyer, F.de Oliveira Santos, S.Palmerini, R.G.Pizzone, S.Romano, N.de Sereville, A.Tumino, H.-F.Wirth

Searching for resonance states in 22Ne(p, γ)23Na

doi: 10.1103/PhysRevC.108.045802
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2023KO04      Eur.Phys.J. A 59, 52 (2023)

G.Korschinek, T.Faestermann

Recent nucleosynthesis in the solar neighbourhood, detected with live radionuclides

doi: 10.1140/epja/s10050-023-00956-2
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2023RE09      Phys.Rev.Lett. 131, 052501 (2023)

B.M.Rebeiro, S.Triambak, P.E.Garrett, G.C.Ball, B.A.Brown, J.Menendez, B.Romeo, P.Adsley, B.G.Lenardo, R.Lindsay, V.Bildstein, C.Burbadge, R.Coleman, A.Diaz Varela, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, K.G.Leach, C.Natzke, J.C.Nzobadila Ondze, A.Radich, E.Rand, H.-F.Wirth

138Ba(d, α) Study of States in 136Cs: Implications for New Physics Searches with Xenon Detectors

NUCLEAR REACTIONS 138Ba(d, α), E=22 MeV; measured reaction products, Eα, Iα; deduced energy levels, J, π, σ(θ), partial level scheme. Comparison with the shell-model results obtained with the GCN5082, SN100PN, and QX effective interactions. The Maier-Leibnitz Laboratorium in Garching, Germany.

doi: 10.1103/PhysRevLett.131.052501
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2022CS01      Eur.Phys.J. A 58, 14 (2022)

L.Csige, M.Csatlos, T.Faestermann, D.Habs, M.Hunyadi, A.J.Krasznahorkay, P.G.Thirolf, T.G.Tornyi, H.-F.Wirth

Fission resonances observed in the 237Np(d, pf) reaction and the fission barrier topology of 238Np

NUCLEAR REACTIONS 237Np(d, pF), E=12 MeV; measured reaction products. 238Np; deduced fission resonances. Comparison with TALYS-1.95 calculations, RIPL-3 values. The Tandem accelerator of the Maier-Leibnitz Laboratory in Garching.

doi: 10.1140/epja/s10050-022-00668-z
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2022FA01      Phys.Lett. B 824, 136799 (2022)

T.Faestermann, A.Bergmaier, R.Gernhauser, D.Koll, M.Mahgoub

Indications for a bound tetraneutron

NUCLEAR REACTIONS 7Li(7Li, 10C)4NN, E=46 MeV; measured reaction products. 10C; deduced energy spectra, tetraneutron binding energy.

doi: 10.1016/j.physletb.2021.136799
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2022GA33      Phys.Rev. C 106, 064307 (2022)

P.E.Garrett, M.Zielinska, A.Bergmaier, T.R.Rodriguez, D.Kalaydjieva, M.Siciliano, H.Bidaman, V.Bildstein, C.Burbadge, A.Diaz Varela, D.T.Doherty, T.Faestermann, K.Hadynska-Klek, R.Hertenberger, N.Keeley, A.Laffoley, A.D.MacLean, M.Mahgoub, A.J.Radich, M.Rocchini, P.Spagnoletti, S.Triambak, M.Vandebrouck, K.Wrzosek-Lipska

Coulomb excitation of 102Ru with 12C and 16O

NUCLEAR REACTIONS 102Ru(12C, 12C'), E=45, 53 MeV; 102Ru(16O, 16O'), E=56 MeV; measured reaction products, momentum of the scattered particles, angular distributions; deduced population of the excited states in 102Ru. 102Ru; deduced levels, J, π, B(E2), B(E3), E0 monopole transition strengths, transition matrix elements. GOSIA analysis of Coulomb excitation combined with FRESCO calculations. Comparison to calculations performed using the symmetry-conserving configuration-mixing (SCCM) method employing the Gogny-D1S energy-density functional. Systematics of experimentally obtained B(E3) values for Ru, Mo and Pd isotopes. Q3D magnetic spectrograph at at the Maier Leibnitz Laboratory.

doi: 10.1103/PhysRevC.106.064307
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2022HA03      Phys.Rev. C 105, 015805 (2022)

D.S.Harrouz, N.de Sereville, P.Adsley, F.Hammache, R.Longland, B.Bastin, T.Faestermann, R.Hertenberger, M.La Cognata, L.Lamia, A.Meyer, S.Palmerini, R.G.Pizzone, S.Romano, A.Tumino, H.-F.Wirth

Experimental study of the 30Si(3He, d)31P reaction and thermonuclear reaction rate of 30Si(p, γ)31P

NUCLEAR REACTIONS 30Si(3He, d)31P, E=25 MeV beam from the Tandem Van de Graaff accelerator at MLL-Garching; measured E(d), I(d), σ(θ), deuterons momentum analyzed using a Q3D magnetic spectrometer, and detected in the focal plane of proportional counters. 31P; deduced levels, J, π, L-transfers, spectroscopic factors, single-particle widths, DWBA analysis of angular distribution data. 30Si(p, γ)31P, T9=0.010-10.0; deduced proton resonance energies, Γp, resonance strengths, astrophysical reaction rates. Comparison with previous experimental results and evaluated data for 31P structure, and with available data for proton resonances.

doi: 10.1103/PhysRevC.105.015805
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2022KA18      Phys.Rev. C 105, 055805 (2022)

M.Kamil, S.Triambak, G.C.Ball, V.Bildstein, A.Diaz Varela, T.Faestermann, P.E.Garrett, F.Ghazi Moradi, R.Hertenberger, N.Y.Kheswa, N.J.Mukwevho, B.M.Rebeiro, H.-F.Wirth

Proton capture on 30P in novae: On the existence of states at 6.40 MeV and 6.65 MeV in 31S

NUCLEAR REACTIONS 32S(d, t), E=23 MeV; measured reactions products triton spectrum, angular distribution; deduced resonances energies. 31S; deduced levels. Confirmed existence of 6401-keV state and found new one at 6648 keV in 31S. 30P(p, γ), T=0.1-1.5 GK; deduced reaction rate taking into account newly identified resonances. Q3D magnetic spectrograph at the Maier-Leibnitz-Laboratorium (MLL) tandem accelerator facility in Garching, Germany.

doi: 10.1103/PhysRevC.105.055805
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2021AD06      Phys.Rev. C 103, 035804 (2021)

P.Adsley, F.Hammache, N.de Sereville, V.Alcindor, M.Assie, D.Beaumel, M.Chabot, M.Degerlier, C.Delafosse, T.Faestermann, F.Flavigny, S.P.Fox, R.Garg, A.Georgiadou, S.A.Gillespie, J.Guillot, V.Guimaraes, A.Gottardo, R.Hertenberger, J.Kiener, A.M.Laird, A.Lefebvre-Schuhl, I.Matea, A.Meyer, M.Mahgoub, L.Olivier, L.Perrot, J.Riley, I.Sivacek, I.Stefan, V.Tatischeff, H.-F.Wirth

Charged-particle branching ratios above the neutron threshold in 19F: Constraining 15N production in core-collapse supernovae

COMPILATION 19F; compiled data from the ENSDF database and from different nuclear reactions in literature for levels, J, π, Γ, Γp, and Γα.

NUCLEAR REACTIONS 19F(p, p'), E=16, 15 MeV; measured E(p), I(p), πα- and pp-coin using the Q3D magnetic spectrograph at Munich at E(p)=16 MeV, and Enge split-pole magnetic spectrometer, and double-sided silicon strip detector (DSSSD) detectors at Orsay at E(p)=15 MeV. 19F; deduced levels between 10.091 and 10.676 MeV in the region of astrophysical interest, width, branching ratios for proton and α decays from levels above the neutron binding energy in 19F. 15N, 18O; deduced energies of the emitted particles, matrices of experimental and simulated coincidence events from α and proton decays of neutron-unbound states in 19F. Relevance to 18F(n, α)15N and 18F(n, p)18O reaction rates for abundances of 15N and 18O in the helium-burning shell during core-collapse supernovae.

doi: 10.1103/PhysRevC.103.035804
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2021KA13      Phys.Rev. C 103, 024319 (2021)

B.P.Kay, J.P.Schiffer, S.J.Freeman, T.L.Tang, B.D.Cropper, T.Faestermann, R.Hertenberger, J.M.Keatings, P.T.MacGregor, J.F.Smith, H.-F.Wirth

Consistency of nucleon-transfer sum rules in well-deformed nuclei

NUCLEAR REACTIONS 154,156,157,158Gd, 156,158,160,162,164Dy, 168,170,172,174Yb, 162,164,166,168,170Er(d, p), (d, t), E=12.1 MeV; analyzed cross section data from neutron-adding and neutron-removing reactions from experiments at Niels Bohr Institute (NBI), and reported in 1966Bu16, 1967Tj01, 1969Tj01 and 1970Gr46, and complemented by new experiments at MLL-Munich; deduced consistent nucleon-transfer sum rules, as defined in Nilsson-model framework, in well-deformed nuclei.

NUCLEAR REACTIONS 170Er, 174Yb(d, p), (d, t), E=12 MeV; 170Er, 174Yb(p, d), E=18 MeV; measured proton, triton and deuteron spectra, differential σ(θ) using Q3D magnetic spectrometer at the MLL-Munich MP tandem accelerator. 169,171Er, 173,175Yb; deduced levels, J, π, Nilsson configurations, sum rules.

doi: 10.1103/PhysRevC.103.024319
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2021KA45      Phys.Rev. C 104, L061303 (2021)

M.Kamil, S.Triambak, A.Magilligan, A.Garcia, B.A.Brown, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, N.Y.Kheswa, K.G.Leach, R.Lindsay, D.J.Marin-Lambarri, F.Ghazi Moradi, N.J.Mukwevho, R.Neveling, J.C.Nzobadila Ondze, P.Papka, L.Pellegri, V.Pesudo, B.M.Rebeiro, M.Scheck, F.D.Smit, H.-F.Wirth

Isospin mixing and the cubic isobaric multiplet mass equation in the lowest T=2, A=32 quintet

ATOMIC MASSES 32Ar, 32Cl, 32S, 32P, 32Si; analyzed experimental masses by a cubic fit to the isobaric multiplet mass equation (IMME) for the lowest isospin T=2 quintet in A=32 nuclei; investigated isospin mixing by combining high-resolution experimental data for proton spectrum from 32Ar β-delayed proton decay, and from triton spectrum in 32S(3He, t) reaction with the state-of-the-art shell-model calculations; evaluated isospin mixing matrix elements; extracted cubic and quartic coefficients of the IMME; deduced that isospin mixing with nonanalog T=1 states contributes to the IMME breakdown. 32Ar; analyzed experimental β-delayed proton spectrum by R-matrix fit; calculated proton emission amplitudes from states in 32Cl.

doi: 10.1103/PhysRevC.104.L061303
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2021NZ01      Phys.Rev. C 103, 034329 (2021)

J.C.Nzobadila Ondze, B.M.Rebeiro, S.Triambak, L.Atar, G.C.Ball, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, P.E.Garrett, R.Hertenberger, M.Kamil, R.Lindsay, J.N.Orce, A.Radich, H.-F.Wirth

Investigation of pair-correlated 0+ states in 134Ba via the 136Ba(p, t) reaction

NUCLEAR REACTIONS 136Ba(p, t), E=22 MeV; measured reaction products, E(t), I(t), differential σ(θ) using Q3D spectrometer at MLL-Munich tandem accelerator. 134Ba; deduced levels, energies of 0+ states, monopole (p, t) strengths. DWBA analysis. Comparison with previous experimental results. Discussed implication for 136Xe to 136Ba neutrinoless double beta decay matrix element calculation.

doi: 10.1103/PhysRevC.103.034329
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2021PI06      Eur.Phys.J. A 57, 150 (2021)

S.Pirrie, C.Wheldon, Tz.Kokalova, J.Bishop, Th.Faestermann, R.Hertenberger, H.F.Wirth, S.Bailey, N.Curtis, D.Dell'Aquila, D.Mengoni, R.Smith, D.Torresi, A.Turner

Precision branching-ratio measurements in 18O

NUCLEAR REACTIONS 12C(7Li, p), E=44 MeV; measured reaction products; deduced energy levels, J, π, branching ratios, resonance parameters. Comparison with available data, Monte-Carlo techniques, Q3D magnetic spectrograph.

doi: 10.1140/epja/s10050-021-00431-w
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2021RE11      Phys.Rev. C 104, 034309 (2021)

B.M.Rebeiro, S.Triambak, P.E.Garrett, B.A.Brown, G.C.Ball, R.Lindsay, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz-Varela, T.Faestermann, R.Hertenberger, B.Jigmeddorj, M.Kamil, K.G.Leach, P.Z.Mabika, J.C.Nzobadila Ondze, J.N.Orce, A.Radich, H.-F.Wirth

Spectroscopy of states in 136Ba using the 138Ba (p, t) reaction

NUCLEAR REACTIONS 138Ba(p, t), E=23 MeV; measured outgoing triton spectra, E(t), I(t), differential σ(θ) distributions using Q3D magnetic spectrometer at MLL-Munich tandem accelerator. DWBA analysis of σ(θ) data using DWUCK4 code using global proton optical model parameters. 136Ba; deduced levels, J, π. Comparison of measured level densities with shell model calculations, and with previous experimental data in ENSDF database. Discussed importance of 136Ba nuclear structure in the context of 136Xe double beta decay.

doi: 10.1103/PhysRevC.104.034309
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2021SZ03      Phys.Rev. C 104, 054308 (2021)

S.V.Szwec, D.K.Sharp, B.P.Kay, S.J.Freeman, J.P.Schiffer, P.Adsley, C.Binnersley, N.de Sereville, T.Faestermann, R.F.Garcia Ruiz, F.Hammache, R.Hertenberger, A.Meyer, C.Portail, I.Stefan, A.Vernon, S.Wilkins, H.-F.Wirth

Neutron occupancies and single-particle energies across the stable tin isotopes

NUCLEAR REACTIONS 112,114,116,118,120,122,124Sn(p, d)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=21 MeV; 112,114,116,118,120,122,124Sn(3He, α)111Sn/113Sn/115Sn/117Sn/119Sn/121Sn/123Sn, E=36 MeV; 112,114,116,118,120,122,124Sn(d, p)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=15 MeV; 112,114,116,118,120,122,124Sn(α, 3He)113Sn/115Sn/117Sn/119Sn/121Sn/123Sn/125Sn, E=41 MeV; measured E(d), I(d), Eα, Iα, E(p), I(p), E(3He), I(3He), differential σ(θ) and analyzed by DWBA calculations; analyzed proton, deuteron, 3He and α spectra using Munich Q3D spectrometer at MLL accelerator facility for (p, d) and (d, p) reactions, and Enge split-pole spectrometer for (3He, α), (α, 3He) reactions at the IJClab of Tandem-Alto facility of Laboratoire de Physique. 112,114,116,118,120,122,124Sn; deduced levels, J, π, L-transfers, spectroscopic factors, summed neutron strengths, fractional occupancies and effective single-particle energies for 2s1/2, 1d3/2, 1d5/2, 0g7/2, and 0h11/2 neutron orbitals. Detailed cross sections at different angles, particle spectra, absolute cross sections and spectroscopic factors are given in the Supplemental Material of the paper.

doi: 10.1103/PhysRevC.104.054308
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2020GA06      Acta Phys.Pol. B51, 799 (2020)

P.E.Garrett, L.Makhathini, R.A.Bark, T.r.rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Malotana, C.Mehl, S.H.Mthembu, J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H-F.Wirth

Shape Coexistence in the Ru Isotopes; Multi-spectroscopic Study of 98Ru and Beyond-mean-field Calculations

doi: 10.5506/APhysPolB.51.799
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2020GA26      Phys.Lett. B 809, 135762 (2020)

P.E.Garrett, L.Makhathini, R.A.Bark, T.R.Rodriguez, S.Valbuena, V.Bildstein, T.D.Bucher, C.Burbadge, R.Dubey, T.Faestermann, R.Hertenberger, M.Kamil, E.A.Lawrie, K.G.Leach, A.D.MacLean, C.Mehl, S.H.Mthembu, N.J.Mukwevho, C.Ngwetsheni, S.S.Ntshangase, J.C.Nzobadila Ondze, J.N.Orce, B.Rebeiro, B.Singh, S.Triambak, E.C.Vyfers, H.-F.Wirth

Observation of the 0+2 and γ bands in 98Ru, and shape coexistence in the Ru isotopes

RADIOACTIVITY 98Rh(β+), (EC) [from 89Y(12C, 3n), E=47.5 MeV]; measured decay products, Eγ, Iγ; deduced γ-ray energies and intensities, branching, σ(θ), J, π, bands. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2020.135762
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2020GR08      J.Phys.(London) G47, 085104 (2020)

M.R.Griffiths, C.Wheldon, Tz.Kokalova, A.Turner, S.Pirrie, V.Ziman, N.I.Ashwood, J.D.Malcolm, M.Barr, M.Freer, Th.Faestermann, H-F.Wirth, R.Hertenberger, R.Gernhauser, R.Krucken

Mass measurement of Re-190

NUCLEAR REACTIONS 192Os, 194Pt(d, α)190Re/192Ir, E=18 MeV; measured Eα, Iα using Q3D magnetic spectrograph at MLL-Munich tandem Van de Graaff accelerator facility. 190Re, 192Ir; deduced levels, J, π.

ATOMIC MASSES 190Re; deduced mass excess, atomic mass and binding energy. Comparison with values in AME2016.

doi: 10.1088/1361-6471/ab98e3
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2020KO20      Phys.Rev.Lett. 125, 031101 (2020)

G.Korschinek, T.Faestermann, M.Poutivtsev, A.Arazi, K.Knie, G.Rugel, A.Wallner

Supernova-Produced 53Mn on Earth

ATOMIC MASSES 53Mn; measured 53Mn contents in four different crusts; deduced 53Mn/Mn ratio.

doi: 10.1103/PhysRevLett.125.031101
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2020LE07      Phys.Rev. C 102, 014308 (2020)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

High-resolution study of excited states in 158Gd with the (p, t) reaction

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured triton spectra, exclusive differential σ(θ), integrated σ using the Q3D spectrograph at the Tandem accelerator of the Maier-Leibnitz-Laboratory in Munich. Enriched target. DWBA analysis of σ(θ) data using coupled-channel approximation CHUCK3 code. 158Gd; deduced levels, J, π. Discussed bands, moment of inertia, B(E1), B(E2). Comparison with theoretical calculations using the spdf version of the interacting boson model (IBM). 154,155,156Gd; identified ground and first excited states from (p, t) reaction on other Gd isotopes.

doi: 10.1103/PhysRevC.102.014308
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2020PA25      Phys.Rev. C 102, 014304 (2020)

J.Park, R.Krucken, A.Blazhev, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

Spectroscopy of 99Cd and 101In from β decays of 99In and 101Sn

RADIOACTIVITY 99In(EC), (β+), 101Sn(EC), (β+), (β+p)[from 9Be(124Xe, X), E=345 MeV/nucleon, followed by separation of fragments of interest using BigRIPS separator and the ZeroDegree spectrometer at RIBF-RIKEN facility]; measured β-correlated γ spectra, Eγ, Iγ, γγ-coin using the WAS3ABi detector and the EURICA array; generated hypothetical βγ-coin and βγγ-coin matrices. 99Cd, 101In; deduced levels, J, π. 101Sn(β+p); analyzed intensity distributions of β-delayed proton emission branches as a function of the excitation energy; calculated partial half-lives of electromagnetic decay and proton emission. Comparison of level structure with phenomenological shell model using SR88MHJM interaction, and β+p decay with semi-empirical proton emission theory by Delion, Liotta, and Wyss 2006.

doi: 10.1103/PhysRevC.102.014304
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2020PI14      Phys.Rev. C 102, 064315 (2020)

S.Pirrie, C.Wheldon, Tz.Kokalova, J.Bishop, Th.Faestermann, R.Hertenberger, H.-F.Wirth, S.Bailey, N.Curtis, D.Dell'Aquila, D.Mengoni, R.Smith, D.Torresi, A.Turner

Search for evidence of rotational cluster bands in 18O

NUCLEAR REACTIONS 12C(7Li, p)18O*, E=44.0 MeV; measured reaction products, recoil protons, (18O break-up particle)α-coin using the Q3D magnetic spectrograph, and the Birmingham large-angular-coverage DSSD array at the Maier-Leibnitz Laboratory (MLL) in Garching. 18O; deduced levels, J, π, total widths, Γα/Γ branching ratios, barrier penetration, θα2, bands, no evidence of consistent (14C+α or 12C+2n+α) cluster structure for any of the bands. Comparison with previous experimental results.

doi: 10.1103/PhysRevC.102.064315
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2020RE12      Phys.Lett. B 809, 135702 (2020), Erratum Phys.Lett. B 820, 136532 (2021)

B.M.Rebeiro, S.Triambak, P.E.Garrett, B.A.Brown, G.C.Ball, R.Lindsay, P.Adsley, V.Bildstein, C.Burbadge, A.Diaz Varela, T.Faestermann, D.L.Fang, R.Hertenberger, M.Horoi, B.Jigmeddorj, M.Kamil, K.G.Leach, P.Z.Mabika, J.C.Nzobadila Ondze, J.N.Orce, H.-F.Wirth

Benchmarking 136Xe neutrinoless ββ decay matrix element calculations with the 138Ba(p, t) reaction

NUCLEAR REACTIONS 138Ba(p, t), (p, p), E=23 MeV; measured reaction products, Ep, Ip; deduced σ(θ), neutrinoless ββ decay matrix elements.

doi: 10.1016/j.physletb.2020.135702
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2020SP05      Phys.Rev.Lett. 125, 102503 (2020)

M.Spieker, A.Heusler, B.A.Brown, T.Faestermann, R.Hertenberger, G.Potel, M.Scheck, N.Tsoneva, M.Weinert, H.-F.Wirth, A.Zilges

Accessing the Single-Particle Structure of the Pygmy Dipole Resonance in 208Pb

NUCLEAR REACTIONS 207Pb(d, p), E=22 MeV; measured reaction products, Ep, Ip; deduced σ(θ), B(E1), transition densities, Pygmy Dipole Resonance. Comparison with large-scale shell model calculations.

doi: 10.1103/PhysRevLett.125.102503
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2019BU14      Phys.Rev. C 100, 014327 (2019)

D.Bucurescu, S.Pascu, T.Faestermann, H-F.Wirth, C.Costache, A.Ionescu, R.Lica, R.Mihai, A.Turturica, R.Hertenberger

Excited states of the odd-odd nucleus 158Eu from the (d, α) reaction

NUCLEAR REACTIONS 160Gd(d, α)158Eu, E=18.0 MeV; measured Eα, Iα, differential σ(θ) using multiwire proportional chamber of Q3D spectrograph at MLL-Garching tandem accelerator. 111Cd(d, α)109Ag, E=18.0 MeV; measured Eα, Iα, used for calibration of 158Eu spectrum. 158Eu; deduced levels, and compared with previously known levels from 158Sm β- decay. Systematics of low-lying level densities of 150,152,154,156,158Eu.

doi: 10.1103/PhysRevC.100.014327
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2019BU21      Phys.Rev. C 100, 044316 (2019)

D.Bucurescu, S.Pascu, G.Suliman, H.-F.Wirth, R.Hertenberger, T.Faestermann, R.Krucken, G.Graw

High-resolution study of 166Er with the p, t reaction

NUCLEAR REACTIONS 168Er(p, t)166Er, E=25 MeV; measured E(t), I(t), σ(θ) using Q3D spectrograph and a long cathode strip focal plane detector at the MLL Tandem accelerator, Munich Technical University. 166Er; deduced levels, L-transfers, J, π, distribution of the 2n-transfer strengths. DWBA analysis of σ(θ) data. Comparison of level structures, 0+ states, B(E2) and B(E1) with spdf-IBM calculations, and with previous experimental data in the ENSDF database.

doi: 10.1103/PhysRevC.100.044316
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2019DA02      Phys.Rev. C 99, 021302 (2019)

P.J.Davies, J.Park, H.Grawe, R.Wadsworth, R.Gernhauser, R.Krucken, F.Nowacki, D.S.Ahn, F.Ameil, H.Baba, T.Back, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, M.Dewald, P.Doornenbal, T.Faestermann, Y.Fang, G.de France, N.Fukuda, A.Gengelbach, J.Gerl, J.Giovinazzo, S.Go, N.Goel, M.Gorska, E.Gregor, H.Hotaka, S.Ilieva, N.Inabe, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, M.Lewitowicz, G.Lorusso, D.Lubos, L.Maier, E.Merchan, K.Moschner, D.Murai, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, I.Nishizuka, Z.Patel, N.Pietralla, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.F.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, J.Taprogge, P.Thole, S.Valder, Z.Wang, N.Warr, H.Watanabe, V.Werner, J.Wu, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu

Toward the limit of nuclear binding on the N=Z line: Spectroscopy of 96Cd

NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured delayed γ-spectrum, Eγ, Iγ, γγ-coin, half-life of an isomeric state using BigRIPS separator, silicon active stopper for particle identification, and EURICA Ge detector array for γ detection at RIBF-RIKEN. 96Cd; deduced levels, isomer, J, π, configuration, medium-spin negative-parity spin trap based on the coupling of isoscalar T=0 and isovector T=1 neutron-proton pairs. Comparison with shell model calculations using GF, LSSM, and r3g model spaces.

doi: 10.1103/PhysRevC.99.021302
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2019HA26      Phys.Rev. C 100, 024302 (2019)

G.Hafner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, R.Lozeva, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanbe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu

Properties of gamma-decaying isomers in the 100Sn region populated in fragmentation of a 124Xe beam

NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/88mZr/90Nb/90mNb/90Mo/90mMo/91Nb/91mNb/92Nb/92mNb/92Mo/92mMo/92Tc/92mTc/92Ru/92mRu/92Rh/92mRh/93Tc/93mTc/93Ru/93mRu/94Ru/94mRu/94Rh/94mRh/94Pd/94mPd/95Ag/95mAg/96Pd/96mPd/96Ag/96mAg/96Cd/96mCd/98Ag/98mAg/98Cd/98mCd, E=345 MeV/nucleon; measured yields of secondary ions by A/Q vs Z, Eγ, Iγ, (ion)γ-coin, isomeric ratios using BigRIPS and ZeroDegree spectrometers, active stopper SIMBA, and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with previous experimental results, and with abrasion-ablation model combined with sharp cutoff model.

RADIOACTIVITY 88mZr, 90mNb, 90m,92mMo, 92m,93mTc, 92m,93m,94mRu, 92mRh, 94m,96mPd, 96m,98mAg, 98mCd(IT); measured Eγ, Iγ, γγ- and (ion)γ-coin, half-lives of isomers (0.1-104 μs) by γ(t). 88Zr, 90Nb, 90,92Mo, 92,93Tc, 92,93,94Ru, 92Rh, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, B(E1), B(E2), B(E3), B(E4). Comparison with shell model calculations using NUSHELLX code and SLGT0PN interaction.

doi: 10.1103/PhysRevC.100.024302
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2019HA40      Acta Phys.Pol. B50, 431 (2019)

G.Haefner, K.Moschner, A.Blazhev, P.Boutachkov, P.J.Davies, R.Wadsworth, F.Ameil, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhauser, S.Go, M.Gorska, H.Grawe, E.Gregor, H.Hotaka, T.Isobe, D.G.Jenkins, J.Jolie, H.S.Jung, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, N.Pietralla, H.Schaffner, P.-A.Soderstrom, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, H.Watanabe, N.Warr, V.Werner, Z.Y.Xu, A.Yagi, K.Yoshinaga, Y.Zhu

Properties of γ-decaying Isomers in the 100Sn Region Revisited

NUCLEAR REACTIONS 9Be(124Xe, X), E=345 MeV/nucleon; measured reaction products, Eγ, Iγ, γγ-coin; deduced T1/2 of isomeric states and isomeric ratios. BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with abrasion-ablation model combined with sharp cutoff model.

RADIOACTIVITY 90Mo, 92Rh, 96Ag(IT) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured reaction products, Eγ, Iγ, γγ-coin; deduced levels, J, π, T1/2.

doi: 10.5506/aphyspolb.50.431
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2019KO13      Phys.Rev.Lett. 123, 072701 (2019)

D.Koll, G.Korschinek, T.Faestermann, J.M.Gomez-Guzman, Se.Kipfstuhl, S.Merchel, J.M.Welch

Interstellar 60Fe in Antarctica

ATOMIC MASSES 53Mn, 60Fe; measured number of atoms in snow by accelerator mass spectrometry; deduced atomic ratio significantly above cosmogenic production.

doi: 10.1103/PhysRevLett.123.072701
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2019LE11      Phys.Rev. C 100, 014320 (2019)

K.G.Leach, J.D.Holt, P.E.Garrett, S.R.Stroberg, G.C.Ball, P.C.Bender, V.Bildstein, A.Diaz Varela, R.Dunlop, T.Faestermann, B.Hadinia, R.Hertenberger, D.S.Jamieson, B.Jigmeddorj, R.Krucken, A.T.Laffoley, A.J.Radich, E.T.Rand, C.E.Svensson, S.Triambak, H.-F.Wirth

High-resolution (p, t) reaction measurements as spectroscopic tests of ab-initio theory in the mid-pf shell

NUCLEAR REACTIONS 52Cr, 64Zn(p, t), (p, p), E=24 MeV; measured Ep, Ip, E(t), I(t), differential σ(θ) using Q3D spectrometer at the MLL, Garching tandem accelerator facility; deduced optical model parameters. 50Cr, 62Zn; deduced levels, J, π. Comparison with ab-initio shell-model calculations using chiral effective field theory with the valence-space in-medium similarity renormalization group method (VS-IMSRG), and with evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.100.014320
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2019LE13      Phys.Rev. C 100, 034307 (2019)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

New data on 0+ states in 158Gd

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured E(t), I(t), σ(θ) using enriched target and high-precision Q3D spectrometer at the Munich Tandem accelerator facility. 158Gd; deduced 230 levels between 1700 and 4300 keV, J, π, 36 levels with Jπ=0+ below 3.4 MeV; analyzed σ(θ) by DWBA calculations using optical model parameters from CHUCK3. Comparison with calculations within the spdf-IBM model, and with previous experimental results.

doi: 10.1103/PhysRevC.100.034307
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2019LU08      Phys.Rev.Lett. 122, 222502 (2019)

D.Lubos, J.Park, T.Faestermann, R.Gernhauser, R.Krucken, M.Lewitowicz, S.Nishimura, H.Sakurai, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, Y.K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, N.Warr, H.Watanabe, J.Wu, Z.Xu

Improved Value for the Gamow-Teller Strength of the 100Sn Beta Decay

RADIOACTIVITY 100Sn(β+) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ; deduced Gamow-Teller Strength, Q-value, T1/2. Comparison with available data.

doi: 10.1103/PhysRevLett.122.222502
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2019OZ03      Phys.Lett. B 797, 134800 (2019)

F.C.Ozturk, B.Akkus, D.Atanasov, H.Beyer, F.Bosch, D.Boutin, C.Brandau, P.Buhler, R.B.Cakirli, R.J.Chen, W.D.Chen, X.C.Chen, I.Dillmann, C.Dimopoulou, W.Enders, H.G.Essel, T.Faestermann, O.Forstner, B.S.Gao, H.Geissel, R.Gernhauser, R.E.Grisenti, A.Gumberidze, S.Hagmann, T.Heftrich, M.Heil, M.O.Herdrich, P.-M.Hillenbrand, T.Izumikawa, P.Kienle, C.Klaushofer, C.Kleffner, C.Kozhuharov, R.K.Knobel, O.Kovalenko, S.Kreim, T.Kuhl, C.Lederer-Woods, M.Lestinsky, S.A.Litvinov, Yu.A.Litvinov, Z.Liu, X.W.Ma, L.Maier, B.Mei, H.Miura, I.Mukha, A.Najafi, D.Nagae, T.Nishimura, C.Nociforo, F.Nolden, T.Ohtsubo, Y.Oktem, S.Omika, A.Ozawa, N.Petridis, J.Piotrowski, R.Reifarth, J.Rossbach, R.Sanchez, M.S.Sanjari, C.Scheidenberger, R.S.Sidhu, H.Simon, U.Spillmann, M.Steck, Th.Stohlker, B.H.Sun, L.A.Susam, F.Suzaki, T.Suzuki, S.Yu.Torilov, C.Trageser, M.Trassinelli, S.Trotsenko, X.L.Tu, P.M.Walker, M.Wang, G.Weber, H.Weick, N.Winckler, D.F.A.Winters, P.J.Woods, T.Yamaguchi, X.D.Xu, X.L.Yan, J.C.Yang, Y.J.Yuan, Y.H.Zhang, X.H.Zhou

New test of modulated electron capture decay of hydrogen-like 142Pm ions: Precision measurement of purely exponential decay

RADIOACTIVITY 142Pm(EC); measured decay products; deduced T1/2.

doi: 10.1016/j.physletb.2019.134800
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2019PA16      Phys.Rev. C 99, 034313 (2019)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, Y.K.Kwon, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

New and comprehensive β- and βp-decay spectroscopy results in the vicinity of 100Sn

RADIOACTIVITY 87,88,88mTc, 88,89,91,91mRu, 90,90m,91,91m,92,92mRh, 92,93,94,95,95mPd, 94,94m,95,96,96mAg, 96,96m,97,97m,98,99Cd, 98,98m,99,100,101In, 101Sn(β+), (β+p)[from 9Be(124Xe, X), E=345 MeV/nucleon]; measured Eγ, Iγ, γγ- and βγ-coin, β+p spectra, half-lives of ground states and isomers from β decay βγ-coin, and βp decay curves, Q(β+), and %b+p branching ratios using the WAS3ABi double-sided silicon strip detector array for β+ detection and the Euroball-RIKEN Cluster Array for γ detection at RIKEN Nishina Center. 88Mo, 88,89,91Tc, 90,91,92Ru, 92,93,94Rh, 95,96Pd, 96,97Ag, 98Cd; deduced levels, J , π, multipolarities, β feedings and logft. Comparison with Serduke-Lawson-Gloeckner empirical shell model in proton and neutron p1/2 and g9/2 model space below 100Sn core.

NUCLEAR REACTIONS 9Be(124Xe, X)87Ru/88Ru/89Ru/90Ru/91Ru/92Ru/93Ru/90Rh/91Rh/92Rh/93Rh/94Rh/95Rh/91Pd/92Pd/93Pd/94Pd/95Pd/96Pd/97Pd/93Ag/94Ag/95Ag/96Ag/97Ag/98Ag/95Cd/96Cd/97Cd/98Cd/99Cd/97In/98In/99In/100In/99Sn/100Sn/101Sn, E=345 MeV/nucleon; measured yields, particle identification plot using BigRIPS and the ZeroDegree spectrometers, Bρ-TOF-ΔE technique with position-sensitive parallel-plate avalanche counters, plastic scintillators and gas-filled ionization chamber at RIBF-RIKEN facility.

doi: 10.1103/PhysRevC.99.034313
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2019SH28      Phys.Rev. C 100, 024329 (2019)

D.K.Sharp, S.J.Freeman, B.D.Cropper, P.J.Davies, T.Faestermann, T.M.Hatfield, R.Hertenberger, S.J.F.Hughes, P.T.MacGregor, H.-F.Wirth

Pairing properties of the double-β emitter 116Cd

NUCLEAR REACTIONS 114,116Cd(p, t), E=22 MeV; measured triton spectra, σ(8° and 15°) using Q3D spectrograph at the MP tandem accelerator facility in Munich. 112,114Cd; deduced levels, 0+ states from ratios of cross sections at 8° and 15° and DWBA analysis, relative populations. Comparison with previous data for 0+ states in 116,118Sn from 114,116Cd(3He, n) reactions. Discussed pairing properties of the 0νββ decay of 116Cd.

doi: 10.1103/PhysRevC.100.024329
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2018AD06      Phys.Rev. C 97, 045807 (2018)

P.Adsley, J.W.Brummer, T.Faestermann, S.P.Fox, F.Hammache, R.Hertenberger, A.Meyer, R.Neveling, D.Seiler, N.de Sereville, H.-F.Wirth

High-resolution study of levels in the astrophysically important nucleus 26Mg and resulting updated level assignments

NUCLEAR REACTIONS 26Mg(p, p), (d, d), E=18 MeV; measured Ep, Ip, Ed, Id, angular distributions using Q3D magnetic spectrograph at MLL, Garching. 26Mg; deduced levels between 10.6 and 11.5 MeV, J, π. Comparison with previous experimental results. Relevance to 22Ne(α, n)25Mg and 22Ne(α, γ)26Mg reaction rates in astrophysical processes.

doi: 10.1103/PhysRevC.97.045807
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2018GA22      Acta Phys.Pol. B49, 229 (2018)

P.E.Garrett, K.G.Leach, A.D.MacLean, G.C.Ball, P.C.Bender, V.Bildstein, B.A.Brown, C.Burbadge, A.Diaz Varela, R.Dunlop, T.Faestermann, B.Hadinia, R.Hertenberger, J.D.Holt, A.T.Laffoley, D.S.Jamieson, B.Jigmeddorj, A.J.Radich, E.T.Rand, S.R.Stroberg, C.E.Svensson, I.S.Towner, S.Triambak, H.-F.Wirth

Nuclear Structure Studied with Direct Reactions for Fundamental Symmetry Tests

NUCLEAR REACTIONS 52Cr(p, t)50Cr;64Zn(p, t)62Zn, E=24 MeV; measured reaction products momenta using Q3D magnetic spectrograph, Eγ, Iγ, γγ-coin; deduced peaks in triton spectra, σ(θ) vs θcm for reactions to given final states, angular correlation measurement of 1389-954 keV cascade in 62Zn following the β+/EC decay of 62Ga (preliminary).

doi: 10.5506/APhysPolB.49.229
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2018JA16      Phys.Rev. C 98, 044309 (2018)

D.S.Jamieson, P.E.Garrett, G.C.Ball, G.A.Demand, T.Faestermann, P.Finlay, K.L.Green, R.Hertenberger, K.G.Leach, A.A.Phillips, C.S.Sumithrarachchi, S.Triambak, H.-F.Wirth

Nuclear structure of 112Cd studied through the 111Cd (d-pol, p) reaction

NUCLEAR REACTIONS 111Cd(polarized d, p), E=22 MeV; measured E(p), I(p), differential σ(θ), and analyzing powers Ay(θ) using Q3D magnetic spectrograph and a position-sensitive cathode-strip detector for particle identification at the Maier-Leibnitz Laboratory in Garching. 112Cd; deduced levels, J, π, L-transfers, orbital assignments, two-quasineutron configurations, (2j+1) sum rule and spectroscopic factors. Comparison with DWBA and adiabatic distorted wave approximation (ADWA) calculations.

doi: 10.1103/PhysRevC.98.044309
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2018PA20      Phys.Rev. C 97, 051301R (2018)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

β decays of the heaviest N=Z-1 nuclei and proton instability of 97In

RADIOACTIVITY 91Pd, 95Cd, 97In, 97mIn, 99Sn(β+p) [from 9Be(124Xe, X), E=345 MeV/nucleon]; measured decay products, Iβ, Eβ, Ip, Ep, Iγ, Eγ; deduced T1/2, Q-values, β-delayed proton emission branching ratios, log ft, isomeric ratio. Comparison shell model calculations, available experimental and mass evaluated data.

doi: 10.1103/PhysRevC.97.051301
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2018SP02      Phys.Rev. C 97, 064319 (2018)

M.Spieker, S.Pascu, D.Bucurescu, T.M.Shneidman, T.Faestermann, R.Hertenberger, H.-F.Wirth, N.-V.Zamfir, A.Zilges

High-resolution (p, t) study of low-spin states in 240Pu: Octupole excitations, α clustering, and other structure features

NUCLEAR REACTIONS 242Pu(p, t), E=24 MeV; measured E(t), I(t), differential σ(θ), and total σ using the Q3D magnetic spectrograph of MLL-Munich. 240Pu; deduced levels, J, π, configurations, rotational band structure, moments of inertia of band members, origin of excited 0+ states, B(E1)/B(E2), summed B(E1) strength. Comparison with previous experimental values, and spdf IBM and α-cluster model theoretical predictions. Comparison of experimental σ(θ) values with coupled-channel distorted-wave Born approximation (DWBA) calculations with CHUCK3 code. 186W, 232Th(p, t), E=24 MeV; measured E(t), I(t); deduced levels, used for calibration of levels in 240Pu.

NUCLEAR STRUCTURE 238,240Pu, 226,228,230,232Th, 232,234,238U, 224,226,228Ra; analyzed experimental excitation energy, B(E1), B(E2) and B(E3) values; deduced octupole correlations, effect of negative-parity single particle states and potential role of double-octupole or α-clustering states on enhanced B(E1).

doi: 10.1103/PhysRevC.97.064319
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2017CA12      Phys.Rev. C 95, 064322 (2017)

R.Caballero-Folch, C.Domingo-Pardo, J.Agramunt, A.Algora, F.Ameil, Y.Ayyad, J.Benlliure, M.Bowry, F.Calvino, D.Cano-Ott, G.Cortes, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.R.Garcia, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Yu.A.Litvinov, L.Maier, J.Marganiec, M.Marta, T.Martinez, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, Ch.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, J.L.Tain, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.J.Woods, A.Yeremin

β-decay half-lives and β-delayed neutron emission probabilities for several isotopes of Au, Hg, Tl, Pb, and Bi, beyond N=126

RADIOACTIVITY 204,205,206Au, 208,209,210,211Hg, 211,212,213,214,215,216Tl, 215,216,217,218Pb, 218,219,220Bi(β-)[from 9Be(238U, X), E=1 GeV/nucleon using FRS at GSI]; 210,211Hg, 211,212,213,214,215,216Tl(β-n); measured Eβ, Iβ, E(n), I(n), β-decay half-lives, beta-delayed neutron emission probabilities using BELEN array of 30 3He neutron counters. Comparison with previous experimental values, and with several theoretical calculations.

NUCLEAR REACTIONS 9Be(238U, X)200Pt/201Pt/202Pt/203Pt/204Pt/205Pt/203Au/204Au/205Au/206Au/207Au/208Au/209Au/206Hg/207Hg/208Hg/209Hg/210Hg/211Hg/212Hg/213Hg/209Tl/210Tl/211Tl/212Tl/213Tl/214Tl/215Tl/216Tl/212Pb/213Pb/214Pb/215Pb/216Pb/217Pb/218Pb/219Pb/215Bi/216Bi/217Bi/218Bi/219Bi/220Bi/221Bi/222Bi, 220Po/221Po/222Po/223Po/224Po/225Po/226Po/227Po/223At/223At/224At/225At/226At/227At/228At/229At/230At/226Rn/227Rn/228Rn/229Rn/230Rn/231Rn/230Fr/231Fr/232Fr, E=1 GeV/nucleon; measured reaction products, particle identification (A/Z) plots, number of implants using FRS separator and segmented silicon detectors (SIMBA) at UNILAC-GSI facility.

doi: 10.1103/PhysRevC.95.064322
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2017DA07      Phys.Lett. B 767, 474 (2017)

P.J.Davies, H.Grawe, K.Moschner, A.Blazhev, R.Wadsworth, P.Boutachkov, F.Ameil, A.Yagi, H.Baba, T.Back, M.Dewald, P.Doornenbal, T.Faestermann, A.Gengelbach, J.Gerl, R.Gernhaeuser, S.Go, M.Gorska, E.Gregor, T.Isobe, D.G.Jenkins, H.Hotaka, J.Jolie, I.Kojouharov, N.Kurz, M.Lewitowicz, G.Lorusso, L.Maier, E.Merchan, F.Naqvi, H.Nishibata, D.Nishimura, S.Nishimura, F.Nowacki, N.Pietralla, H.Schaffner, P.-A.Soderstrom, H.S.Jung, K.Steiger, T.Sumikama, J.Taprogge, P.Thole, N.Warr, H.Watanabe, V.Werner, Z.Y.Xu, K.Yoshinaga, Y.Zhu

The role of core excitations in the structure and decay of the 16+ spin-gap isomer in 96Cd

RADIOACTIVITY 96Cd(EC), (ECp), 95Cd(EC) [from 9Be(124Xe, X)96Cd/95Cd, E=345 MeV/nucleon]; measured decay products, Eβ, Iβ, Eγ, Iγ, Ep, Ip; deduced first evidence for β-delayed proton emission, βp branching ratios, precise T1/2 for the ground and isomeric states. Comparison with shell model calculations employing the Gross-Frenkel (GF) effective interaction.

doi: 10.1016/j.physletb.2017.02.013
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2017FR08      Phys.Rev. C 96, 054325 (2017)

S.J.Freeman, D.K.Sharp, S.A.McAllister, B.P.Kay, C.M.Deibel, T.Faestermann, R.Hertenberger, A.J.Mitchell, J.P.Schiffer, S.V.Szwec, J.S.Thomas, H.-F.Wirth

Experimental study of the rearrangements of valence protons and neutrons amongst single-particle orbits during double-β decay in 100Mo

NUCLEAR REACTIONS 98,100Mo, 100,102Ru(d, p), (p, d), (3He, α), (3He, d), E(d)=15 MeV, E(p)=24 MeV, E(3He)=36 MeV; measured light-ion particle spectra, cross sections, angular distributions using Q3D magnetic spectrometer at Munich MP tandem accelerator facility. Enriched targets. 97,99,101Mo, 99,101,103Ru, 99,101Tc, 101,103Rh; deduced levels, L-transfers, J, π, spectroscopic factors, cross section ratios. DWBA analysis of σ(θ) data. 98,100Mo, 100,102Ru; deduced neutron occupancies from neutron-removing reactions, and proton vacancies from (3He, d) reaction. 100Mo, 100Ru; deduced neutron occupancy and proton vacancy for the valence orbits, and compared to predictions from interacting boson model (IBM), and two different Woods-Saxon calculations. See Supplemental Material (reference 46 in the paper) for details of experimental cross section data and spectroscopic factors for individual states in final nuclei.

RADIOACTIVITY 100Mo(2β-); deduced detailed quantitative assessment of rearrangements of protons and neutrons amongst the valence single-particle orbitals during double-β decay process, with relevance to nuclear matrix element for 0νββ and 2νββ decay modes.

doi: 10.1103/PhysRevC.96.054325
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2017GI09      Phys.Rev. C 96, 025801 (2017)

S.A.Gillespie, A.Parikh, C.J.Barton, T.Faestermann, J.Jose, R.Hertenberger, H.-F.Wirth, N.de Sereville, J.E.Riley, M.Williams

First measurement of the 34S(P, γ)35Cl reaction rate through indirect methods for presolar nova grains

NUCLEAR REACTIONS 34S(3He, d), E=20 MeV; measured deuteron spectra, σ(θ) using Q3D magnetic spectrograph at Maier-Leibnitz-Laboratorium in Garching. 35Cl; deduced levels, L-transfers, spectroscopic factors, proton resonances, J, π, resonance strengths. DWBA analysis of σ(θ) data. Comparison with previous experimental data for 35Cl levels. 34S(p, γ), T=0.1-0.45 GK; deduced astrophysical reaction rates and compared with statistical model calculations. Discussed 34S/32S ratio to distinguish presolar grains from oxygen-neon nova and type II supernova origin.

doi: 10.1103/PhysRevC.96.025801
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2017LU03      Phys.Rev. C 95, 035803 (2017)

P.Ludwig, G.Rugel, I.Dillmann, T.Faestermann, L.Fimiani, K.Hain, G.Korschinek, J.Lachner, M.Poutivtsev, K.Knie, M.Heil, F.Kappeler, A.Wallner

Measurement of the stellar 58Ni(n, γ)59Ni cross section with accelerator mass spectrometry

NUCLEAR REACTIONS 58Ni(n, γ)59Ni, kT=25 keV quasistellar neutron spectrum; measured E(n), I(n), neutron flux, 59Ni content by accelerator mass spectrometry (AMS) technique, experimental cross section using gas-filled analyzing magnet system (GAMS) at tandem accelerator of the MLL-Garching; deduced Maxwellian-averaged cross sections (MACS). Comparison with evaluated libraries ENDF/B-VII.1, JEFF-3.2 and JENDL-4.0.

doi: 10.1103/PhysRevC.95.035803
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2017PA35      Phys.Rev. C 96, 044311 (2017); Pub.Note Phys.Rev. C 96, 049901 (2017); Erratum Phys.Rev. C 97, 019901 (2018); Erratum Phys.Rev. C 103, 0499011 (2021)

J.Park, R.Krucken, D.Lubos, R.Gernhauser, M.Lewitowicz, S.Nishimura, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, I.Celikovic, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, H.Grawe, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, G.D.Kim, Y.-K.Kim, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, K.Moschner, D.Murai, I.Nishizuka, Z.Patel, M.M.Rajabali, S.Rice, H.Sakurai, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Y.Xu

Properties of γ-decaying isomers and isomeric ratios in the 100Sn region

NUCLEAR REACTIONS 9Be(124Xe, X)88Zr/90Nb/90Mo/90Rh/91Nb/92Mo/92Rh/92Tc/92Ru/93Ru/94Ru/94Pd/94Ag/95Pd/95Ag/96Pd/96Ag/97Cd/98Cd/98In/98Ag/100Sn, E=345 MeV/nucleon; measured reaction products, half-lives of micro-second isomers and isomeric ratios using BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. Comparison of isomeric ratios with abrasion-ablation model combined with sharp cutoff model.

RADIOACTIVITY 88mZr, 90mNb, 90m,92mMo, 92mRh, 92mTc, 92m,93mRu, 94m,96mPd, 96m,98mAg, 98mCd(IT)[from 9Be(124Xe, X), E=345 MeV/nucleon]; measured Eγ, Iγ, branching ratios, γγ-coin, isomer half-lives by γ(t), isomeric ratios using BigRIPS, ZeroDegree spectrometer, WAS3ABi and EURICA array at RIBF-RIKEN facility. 88Zr, 90Nb, 90,92Mo, 92Rh, 92Tc, 92,93Ru, 94,96Pd, 96,98Ag, 98Cd; deduced levels, J, π, multipolarities, B(E1), B(E2), B(M2), B(E3), B(E4). Comparison with previous experimental results, and with shell model calculations using NUSHELLX code and SLGM interaction. 100Sn; search for a core-excited isomer in 100Sn decaying by E2 proved negative; calculated upper limit for half-life and lower limit for Eγ of an hypothetical isomer in 100Sn decaying by E2.

doi: 10.1103/PhysRevC.96.044311
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2016CA25      Phys.Rev.Lett. 117, 012501 (2016)

R.Caballero-Folch, C.Domingo-Pardo, J.Agramunt, A.Algora, F.Ameil, A.Arcones, Y.Ayyad, J.Benlliure, I.N.Borzov, M.Bowry, F.Calvino, D.Cano-Ott, G.Cortes, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.R.Garcia, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Yu.A.Litvinov, L.Maier, J.Marganiec, T.Marketin, M.Marta, T.Martinez, G.Martinez-Pinedo, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, Ch.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, J.L.Tain, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.Woods, A.Yeremin

First Measurement of Several β-Delayed Neutron Emitting Isotopes Beyond N = 126

RADIOACTIVITY 204,205,206Au, 208,209,210,211Hg, 211,212,213Tl, 214,215,216Tl, 215,216,217,218Pb, 218,219,220Bi(β-n) [from Be(238U, X), E=1 GeV/nucleon]; measured decay products, Eβ, Iβ, En, In, β-n coinc.; deduced T1/2, neutron branching ratios. Comparison with available data, theoretical calculations.

doi: 10.1103/PhysRevLett.117.012501
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2016CE02      Phys.Rev.Lett. 116, 162501 (2016)

I.Celikovic, M.Lewitowicz, R.Gernhauser, R.Krucken, S.Nishimura, H.Sakurai, D.S.Ahn, H.Baba, B.Blank, A.Blazhev, P.Boutachkov, F.Browne, G.de France, P.Doornenbal, T.Faestermann, Y.Fang, N.Fukuda, J.Giovinazzo, N.Goel, M.Gorska, S.Ilieva, N.Inabe, T.Isobe, A.Jungclaus, D.Kameda, Y.-K.Kim, Y.K.Kwon, I.Kojouharov, T.Kubo, N.Kurz, G.Lorusso, D.Lubos, K.Moschner, D.Murai, I.Nishizuka, J.Park, Z.Patel, M.Rajabali, S.Rice, H.Schaffner, Y.Shimizu, L.Sinclair, P.-A.Soderstrom, K.Steiger, T.Sumikama, H.Suzuki, H.Takeda, Z.Wang, H.Watanabe, J.Wu, Z.Xu

New Isotopes and Proton Emitters-Crossing the Drip Line in the Vicinity of 100Sn

NUCLEAR REACTIONS Be(124Xe, X)99Sn/100Sn/96In/97In/98In/94Cd/95Cd/92Ag/93Ag/90Pd, E=345 MeV/nucleon; measured reaction products, TOF; deduced production σ.

RADIOACTIVITY 93Ag, 89Rh(p); measured decay products, TOF; deduced T1/2.

doi: 10.1103/PhysRevLett.116.162501
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2016HE04      Phys.Rev. C 93, 054321 (2016)

A.Heusler, R.V.Jolos, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Complete identification of states in 208Pb below Ex = 6.2 MeV

NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.1 MeV; 208Pb(d, d'), E=22.0, 24.0 MeV; 207Pb(d, p), E=22.0, 24.0 MeV; measured E(p), I(p), E(d), I(d), differential σ(E), σ(θ) using Q3D magnetic spectrograph at MLL-LMU-Munich and TUM-Garching. Enriched 207Pb target contained small amounts of 206,208Pb. 208Pb; deduced levels, levels populated through seven known isobaric analog resonances in 209Bi, J, π, configurations, multi-particle-hole states, natural-parity states, wave function amplitudes, centroid energies for groups of states; discussed completeness of states at E<6.2 MeV. Comparison with states in 208Pb populated via previously studied reactions, and with evaluated data in Nuclear Data Sheets for A=208 nuclides. 209Bi; deduced new isobaric analog resonance at E=17.60 MeV. Comparison with shell-model calculations for 1p-1h and 2p-2h configurations. Systematics of levels in 207Tl, 209Bi, 207Pb and 209Pb.

doi: 10.1103/PhysRevC.93.054321
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2016LE10      Phys.Rev. C 94, 011304 (2016)

K.G.Leach, P.E.Garrett, G.C.Ball, P.C.Bender, V.Bildstein, B.A.Brown, C.Burbadge, T.Faestermann, B.Hadinia, J.D.Holt, A.T.Laffoley, D.S.Jamieson, B.Jigmeddorj, A.J.Radich, E.T.Rand, S.R.Stroberg, C.E.Svensson, I.S.Towner, H.-F.Wirth

Searching for 0+ states in 50Cr: Implications for the superallowed β decay of 50Mn

NUCLEAR REACTIONS 52Cr(p, t), E=24 MeV; measured E(t), I(t), σ(θ) using Q3D magnetic spectrograph at MLL-Munich. 50Cr; deduced levels, J, π, L-transfers, 0+ states. Coupled-channel, finite-range DWBA analysis using software FRESCO code. Comparison with ab initio shell-model predictions using in-medium similarity renormalization group (IM-SRG) formalism based on NN and 3N forces from chiral-energy density functionals (EFT).Comparison with previous experimental results and evaluated data in the ENSDF database.

RADIOACTIVITY 50Mn(EC); discussed possible Fermi non-analog β transitions to 0+ states at 3895 and 4069 keV assigned in authors' (p, t) work.

doi: 10.1103/PhysRevC.94.011304
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2015CS01      Acta Phys.Pol. B46, 559 (2015)

L.Csige, M.Csatlos, T.Faestermann, J.Gulyas, D.Habs, A.Krasznahorkay, P.G.Thirolf, T.G.Tornyi, H.-F.Wirth

Transmission Resonance Spectroscopy of the Doubly Odd 238Np in (d, pf) Reaction

NUCLEAR REACTIONS 237Np(d, p), (d, F), E=12 MeV; measured reaction products; deduced fission probability.

doi: 10.5506/APhysPolB.46.559
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2015FA12      Phys.Rev. C 92, 052802 (2015)

T.Faestermann, P.Mohr, R.Hertenberger, H.-F.Wirth

Broad levels in 17O and their relevance for the astrophysical s process

NUCLEAR REACTIONS 19F(d, α)17O, E=22 MeV; measured Eα, Iα using Q3D spectrograph at TUM, Garching. 17O; deduced levels between 3.8 and 7.8 MeV, J, π, widths. Discussed consequences for resonances populated near 7 MeV in 13C(α, n)16O reaction, relevant in s-process nucleosynthesis.

doi: 10.1103/PhysRevC.92.052802
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2015FA13      Phys.Scr. T166, 014003 (2015)

T.Faestermann

Lifetime measurements of nuclei in few-electron ions

RADIOACTIVITY 122I(EC); measured oscillation parameters; deduced T1/2.

doi: 10.1088/0031-8949/2015/T166/014003
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2015FR01      Phys.Rev. C 91, 015803 (2015)

C.Fry, C.Wrede, S.Bishop, B.A.Brown, A.A.Chen, T.Faestermann, R.Hertenberger, A.Parikh, D.Perez-Loureiro, H.-F.Wirth, A.Garcia, R.Ortez

Discovery of 34g, mCl (p, γ) 35Ar resonances activated at classical nova temperatures

NUCLEAR REACTIONS 36Ar(d, t), E=22 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at MLL-Garching facility. 35Ar; deduced levels. 34Cl(p, γ)35Ar; deduced resonance energies. 35Ar, 35Cl; compared experimental level densities of mirror nuclei with shell-model calculations.

doi: 10.1103/PhysRevC.91.015803
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2015HE12      Phys.Rev. C 91, 044325 (2015)

A.Heusler, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Identification of the 0+ proton pairing vibration state in the doubly magic nucleus 208Pb by particle spectroscopy

NUCLEAR REACTIONS 208Pb(p, p'), E=14.8-18.2 MeV; 208Pb(d, d'), E=22, 24 MeV; 206,207,208Pb(d, p), E=22, 24 MeV; measured particle spectra, σ(θ) using Q3D magnetic spectrograph at the MLL-Garching. 208Pb; deduced levels, J, π, levels populated via IAR in 209Bi, configuration mixings, discovery of 0+ proton-pairing vibrational state. Comparison with data from (α, α') experiments and evaluated data in the ENSDF database.

doi: 10.1103/PhysRevC.91.044325
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2015PA46      Phys.Rev. C 92, 055806 (2015)

A.Parikh, A.M.Laird, N.de Sereville, K.Wimmer, T.Faestermann, R.Hertenberger, D.Seiler, H.-F.Wirth, P.Adsley, B.R.Fulton, F.Hammache, J.Kiener, I.Stefan

Spectroscopy of 19Ne for the thermonuclear 15O(α, γ)19Ne and 18F(p, α)15O reaction rates

NUCLEAR REACTIONS 19F(3He, t)19Ne, E=25 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrometer at MLL-Garching facility. 19Ne; deduced levels, J, π. DWBA calculations. Comparison of 19Ne level structure with previous experimental results, evaluated data, and predictions based on analogy with 19F mirror. Relevance to uncertainties in thermonuclear rates of the 15O(α, γ)19Ne and 18F(p, α)15O reactions of astrophysical interest.

doi: 10.1103/PhysRevC.92.055806
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2015ST14      Eur.Phys.J. A 51, 117 (2015)

K.Steiger, S.Nishimura, Z.Li, R.Gernhauser, Y.Utsuno, R.Chen, T.Faestermann, C.Hinke, R.Krucken, M.Kurata-Nishimura, G.Lorusso, Y.Miyashita, N.Shimizu, K.Sugimoto, T.Sumikama, H.Watanabe, K.Yoshinaga

Nuclear structure of 37, 38Si investigated by decay spectroscopy of 37, 38Al

RADIOACTIVITY 37,38Al(β-)[from 48Ca projectile fragmentation at 345 MeV/nucleon]; measured β-delayed Eγ, Iγ, γγ-coin; deduced T1/2. 37,38Si deduced levels, J, π, γ transitions; calculated levels, J, π using shell model with SDPF-MU and modified SDPF-MU interaction.

doi: 10.1140/epja/i2015-15117-9
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2015WH01      Phys.Rev. C 91, 024308 (2015)

C.Wheldon, Tz.Kokalova, M.Freer, J.Walshe, R.Hertenberger, H.-F.Wirth, N.I.Ashwood, M.Barr, N.Curtis, Th.Faestermann, R.Lutter, J.D.Malcolm, D.J.Marin-Lambarri

Spectroscopy of 9B via high-resolution ejectile-tagged recoil break-up

NUCLEAR REACTIONS 9Be(3He, t)9B*, E=33 MeV; measured particle spectra, (9B breakup products)(triton)-coin using Munich-Q3D spectrograph at the MLL tandem Van de Graaff accelerator facility. 9B; deduced levels, J, π, total and partial widths for 8Be+p and 5Li+α channels. Comparison with earlier experimental results.

doi: 10.1103/PhysRevC.91.024308
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2014CA23      Nucl.Data Sheets 120, 81 (2014)

R.Caballero-Folch, C.Domingo-Pardo, G.Cortes, J.L.Tain, J.Agramunt, A.Algora, F.Ameil, Y.Ayyad, J.Benlliure, M.Bowry, F.Calvino, D.Cano-Ott, T.Davinson, I.Dillmann, A.Estrade, A.Evdokimov, T.Faestermann, F.Farinon, D.Galaviz, A.Garcia-Rios, H.Geissel, W.Gelletly, R.Gernhauser, M.B.Gomez Hornillos, C.Guerrero, M.Heil, C.Hinke, R.Knobel, I.Kojouharov, J.Kurcewicz, N.Kurz, Y.Litvinov, L.Maier, J.Marganiec, M.Marta, T.Martinez, F.Montes, I.Mukha, D.R.Napoli, C.Nociforo, C.Paradela, S.Pietri, Zs.Podolyak, A.Prochazka, S.Rice, A.Riego, B.Rubio, H.Schaffner, C.Scheidenberger, K.Smith, E.Sokol, K.Steiger, B.Sun, M.Takechi, D.Testov, H.Weick, E.Wilson, J.S.Winfield, R.Wood, P.J.Woods, A.Yeremin

β-decay and β-delayed Neutron Emission Measurements at GSI-FRS Beyond N=126, for r-process Nucleosynthesis

RADIOACTIVITY 208,209,210,211Hg, 211,212,213,214,215Tl, 214,215,216,217,218Pb(β-), (β-n); measured decay products, Eβ, Iβ, En, In.; deduced preliminary T1/2.

doi: 10.1016/j.nds.2014.07.012
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2014HE02      Phys.Rev. C 89, 024322 (2014)

A.Heusler, T.Faestermann, R.Hertenberger, H.-F.Wirth, P.von Brentano

Determining the strength of undetectable particle-hole configurations by complete spectroscopy of negative parity states in 208Pb

NUCLEAR REACTIONS 208Pb(p, p'), E near IAR in 209Bi at 14.8-18.1 MeV; 207Pb(d, p), E=22.0 MeV; measured Ep, Ip, σ(Eres, θ), excitation functions using Q3D magnetic spectrometer at MLL-Garching facility. 208Pb; deduced levels, J, π, particle-hole configurations, configuration strengths, configuration mixing between natural and unnatural parity states. DWBA analysis. Comparison with shell-model calculations for negative-parity states, and with evaluated data in NDS-2007 or ENSDF database.

doi: 10.1103/PhysRevC.89.024322
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2014JA19      Phys.Rev. C 90, 054312 (2014)

D.S.Jamieson, P.E.Garrett, V.Bildstein, G.A.Demand, P.Finlay, K.L.Green, K.G.Leach, A.A.Phillips, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, G.C.Ball, T.Faestermann, R.Hertenberger, H.-F.Wirth

Quadrupole-octupole coupled states in 112Cd populated in the 111Cd(d(pol), p) reaction

NUCLEAR REACTIONS 111Cd(polarized d, p), E=22 MeV; measured E(p), I(p), σ(θ), vector analyzing powers Ay(θ) using Q3D magnetic spectrograph at TMU-Munich accelerator facility. 112Cd; deduced levels, L-transfers, J, π, B(E2), configurations, spectroscopic strength. DWBA and ADWA analysis of σ(θ) and Ay(θ) data. Comparison with other experimental results. Systematics of energies and B(E2) values for 5- and 6- states in 106,108,110,112,114,116,118,120,122,124Cd; and discussion of quadrupole-octupole (QOC) two-phonon quintuplet states.

doi: 10.1103/PhysRevC.90.054312
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2014PA44      Phys.Lett. B 737, 314 (2014)

A.Parikh, K.Wimmer, T.Faestermann, R.Hertenberger, J.Jose, H.-F.Wirth, C.Hinke, R.Krucken, D.Seiler, K.Steiger, K.Straub

Isotopic 32S/33S ratio as a diagnostic of presolar grains from novae

NUCLEAR REACTIONS 33S(3He, d), E=25 MeV; 33S(p, γ), T < 0.4 GK; measured reaction products. 34Cl; deduced σ(θ), energy levels, spectroscopic factors, angular momenta, resonance parameters, reaction rates. Comparison with available data.

doi: 10.1016/j.physletb.2014.08.071
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2013AT02      Phys.Scr. T156, 014026 (2013)

D.R.Atanasov, D.Balabanski, L.Batist, K.Blaum, F.Bosch, D.Boutin, C.Brandau, C.Dimopoulou, H.G.Essel, T.Faestermann, H.Geissel, S.Hagmann, R.Hess, P.-M.Hillenbrand, P.Kienle, R.Knobel, C.Kozhuharov, J.Kurcewicz, M.Lestinsky, S.A.Litvinov, Yu A.Litvinov, X.Ma, R.Martin, M.Mazzocco, G.Munzenberg, F.Nolden, T.Ohtsubo, Z.Patyk, M.S.Sanjari, C.Scheidenberger, D.Shubina, U.Spillmann, M.Steck, Th.Stohlker, B.Sun, T.Suzuki, S.Torilov, M.Trassinelli, S.Trotsenko, X.Tu, I.I.Tupitsyn, H.Weick, N.Winckler, M.Winkler, D.F.A.Winters, N.Winters, H.Xu, T.Yamaguchi, X.Yan, Y.Yuan, Y.Zhang

Half-life measurements of highly charged radionuclides

doi: 10.1088/0031-8949/2013/T156/014026
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2013BO25      Phys.Scr. T156, 014025 (2013)

F.Bosch, D.R.Atanasov, C.Brandau, I.Dillmann, C.Dimopoulou, T.Faestermann, H.Geissel, S.Hagmann, P.-M.Hillenbrand, P.Kienle, R.Knobel, C.Kozhuharov, J.Kurcewicz, M.Lestinsky, S.A.Litvinov, Yu.A.Litvinov, X.Ma, F.Nolden, T.Ohtsubo, Z.Patyk, R.Reuschl, M.S.Sanjari, C.Scheidenberger, D.Shubina, U.Spillmann, M.Steck, T.Stohlker, B.Sun, M.Trassinelli, S.Trotsenko, X.L.Tu, H.Weick, N.Winckler, M.Winkler, D.F.A.Winters, T.Yamaguchi, X.L.Yan

Beta decay of highly charged ions

doi: 10.1088/0031-8949/2013/T156/014025
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2013FA01      Prog.Part.Nucl.Phys. 69, 85 (2013)

T.Faestermann, M.Gorska, H.Grawe

The structure of 100Sn and neighbouring nuclei

NUCLEAR STRUCTURE 100,108,110,112,114Sn; compiled experimental data, B(E2), shell model results.

doi: 10.1016/j.ppnp.2012.10.002
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2013IR02      Phys.Rev. C 88, 055803 (2013)

D.Irvine, A.A.Chen, A.Parikh, K.Setoodehnia, T.Faestermann, R.Hertenberger, H.-F.Wirth, V.Bildstein, S.Bishop, J.A.Clark, C.M.Deibel, J.Hendriks, C.Herlitzius, R.Krucken, W.N.Lennard, O.Lepyoshkina, R.Longland, G.Rugel, D.Seiler, K.Straub, C.Wrede

Evidence for the existence of the astrophysically important 6.40-MeV state of 31S

NUCLEAR REACTIONS 32S(d, t), E=24 MeV; measured E(t), I(t), σ(θ), using Q3D spectrograph at MLL-Garching facility. 31S; deduced levels, J, π, 31S and 31P mirror assignments. 30P(p, γ)31S; discussed impact on thermonuclear reaction rate in explosive hydrogen burning in classical novae. Comparison of 31S level structure with previous experimental results and evaluated data.

doi: 10.1103/PhysRevC.88.055803
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2013KO11      Phys.Rev. C 87, 044322 (2013)

T.Kotthaus, P.Reiter, H.Hess, M.Kalkuhler, A.Wendt, A.Wiens, R.Hertenberger, T.Morgan, P.G.Thirolf, H.-F.Wirth, T.Faestermann

Excited states of the odd-odd nucleus 230Pa

NUCLEAR REACTIONS 231Pa(polarized d, t), E=22 MeV; measured E(t), I(t), σ(θ) using the Munich Q3D magnetic spectrometer. 230Pa; deduced levels, J, π, rotational bands, Nilsson configurations, fingerprint method, Gallagher-Moszkowski splittings and Newby shifts. DWBA analysis of σ(θ) data.

doi: 10.1103/PhysRevC.87.044322
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2013LA01      Phys.Rev.Lett. 110, 032502 (2013)

A.M.Laird, A.Parikh, A.St.J.Murphy, K.Wimmer, A.A.Chen, C.M.Deibel, T.Faestermann, S.P.Fox, B.R.Fulton, R.Hertenberger, D.Irvine, J.Jose, R.Longland, D.J.Mountford, B.Sambrook, D.Seiler, H.-F.Wirth

Is γ-Ray Emission from Novae Affected by Interference Effects in the 18F(p, α)15O Reaction?

NUCLEAR REACTIONS 19F(3He, t), E=25 MeV; measured reaction products. 19Ne; deduced energy levels, J, π, σ(θ), resonance parameters, total reaction rate. Comparison with available data, DWBA calculations.

doi: 10.1103/PhysRevLett.110.032502
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2013LE19      Phys.Rev. C 87, 064306 (2013); Pub.Note Phys.Rev. C 87, 069904 (2013)

K.G.Leach, P.E.Garrett, I.S.Towner, G.C.Ball, V.Bildstein, B.A.Brown, G.A.Demand, T.Faestermann, P.Finlay, K.L.Green, R.Hertenberger, R.Krucken, A.A.Phillips, E.T.Rand, C.S.Sumithrarachchi, C.E.Svensson, S.Triambak, H.-F.Wirth, J.Wong

Experimental 64Zn((d-pol), t)63Zn spectroscopic factors: Guidance for isospin-symmetry-breaking calculations

NUCLEAR REACTIONS 64Zn(polarized d, t), E=22 MeV; measured triton spectra, σ(θ) and vector analyzing powers using Q3D magnetic spectrograph at MLL, Munich facility. DWBA analyses using several optical model parameters. 63Zn; deduced levels, L-transfers, J, π, spectroscopic factors. Comparison with shell-model calculations with GXPF1A interaction. Comparison with experimental and theoretical spectroscopic factors for 62Zn(d, t)61Zn reaction. Discussed implications for isospin symmetry breaking (ISB) calculations for 62Ga to 62Zn superallowed β decay.

doi: 10.1103/PhysRevC.87.064306
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2013LE25      Phys.Rev. C 88, 031306 (2013)

K.G.Leach, P.E.Garrett, C.E.Svensson, I.S.Towner, G.C.Ball, V.Bildstein, B.A.Brown, A.Diaz Varela, R.Dunlop, T.Faestermann, R.Hertenberger, D.J.Jamieson, R.Krucken, S.Triambak, H.-F.Wirth

Excited O+ states in 62Zn populated via the 64Zn(p, t)62Zn reaction

NUCLEAR REACTIONS 64Zn(p, t), E=24 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at MLL-Munich facility. DWBA analysis of σ(θ) data. 62Zn; deduced levels, J, π, l-transfer, excited 0+ states. Comparison with shell-model calculations using MSDI3, GXPF1 and GXPF1A interactions. Discussed impact on isospin-symmetry-breaking (ISB) correction for 62Ga superallowed due to shift in the first excited 0+ state in 62Zn.

doi: 10.1103/PhysRevC.88.031306
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2013SP03      Phys.Rev. C 88, 041303 (2013)

M.Spieker, D.Bucurescu, J.Endres, T.Faestermann, R.Hertenberger, S.Pascu, S.Skalacki, S.Weber, H.-F.Wirth, N.-V.Zamfir, A.Zilges

Possible experimental signature of octupole correlations in the 0+2 states of the actinides

NUCLEAR REACTIONS 242Pu(p, t), E=24 MeV; measured triton spectra, σ(θ) using Q3D spectrograph at MLL-Munich facility. 240Pu; deduced levels, J, π, L-transfer, transition strengths for 0+ excited states. DWBA analysis of σ(θ) data. Comparison with summed relative (p, t) strengths and B(E1)/B(E2) ratios with other actinide nuclei and with spdf interacting boson model calculations. Possible double-octupole structure of first excited 0+ states in actinides. Systematics of energies of first 3- and second 0+ states in N=132-148, Ra, Th, U and Pu nuclei.

doi: 10.1103/PhysRevC.88.041303
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2012BU03      Phys.Rev. C 85, 017304 (2012)

D.Bucurescu, E.Dragulescu, S.Pascu, H-F.Wirth, D.Filipescu, G.Cata-Danil, I.Cata-Danil, D.Deleanu, K.Eppinger, T.Faestermann, D.G.Ghita, T.Glodariu, R.Hertenberger, M.Ivascu, R.Krucken, N.Marginean, R.Marginean, C.Mihai, A.Negret, T.Sava, L.Stroe, K.Wimmer, N.V.Zamfir

Excited states of the 150Pm odd-odd nucleus

NUCLEAR REACTIONS 140Ce, 142Nd, 152Sm(d, α), E=25 MeV; measured E(α), I(α) with Q3D spectrograph at Munich. 150Pm, 140Pr, 138La; deduced levels. 150Nd(p, n), E=7.1 MeV; measured Eγ, Iγ, γγ-coin. 150Pm; deduced levels. Comparison with results from other reactions.

doi: 10.1103/PhysRevC.85.017304
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2012CS01      Acta Phys.Pol. B43, 291 (2012)

L.Csige, M.Csatlos, T.Faestermann, J.Gulyas, D.Habs, R.Hertenberger, M.Hunyadi, A.Krasznahorkay, H.J.Maier, P.G.Thirolf, H.F.Wirth

High Resolution Spectroscopy in the Third Minimum of 232Pa

NUCLEAR REACTIONS 231Pa(d, pF)232Pa, E=12 MeV; measured reaction products. 232Pa; deduced fission probability and barrier parameters. Comparison with other experimental data.

doi: 10.5506/APhysPolB.43.291
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2012CS02      Phys.Rev. C 85, 054306 (2012)

L.Csige, M.Csatlos, T.Faestermann, J.Gulyas, D.Habs, R.Hertenberger, M.Hunyadi, A.Krasznahorkay, H.J.Maier, P.G.Thirolf, H.-F.Wirth

Transmission resonance spectroscopy in the third minimum of 232Pa

NUCLEAR REACTIONS 231Pa(d, pF), E=12 MeV; measured E(p), I(p), fission probability using the Garching Q3D spectrograph. 232Pa; deduced transmission fission resonances, J, π, level spacing of J=4 states, superdeformed and hyperdeformed rotational bands, inner and outer fission barrier heights, triple-humped fission barrier, excitation energy of the ground state of the third minimum. Evidence for hyperdeformation. Comparison of experimental fission barrier parameters with TALYS 1.2 nuclear reaction code calculations, and with previous studies.

doi: 10.1103/PhysRevC.85.054306
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2012GU10      Phys.Rev. C 85, 054609 (2012)

P.Guazzoni, L.Zetta, A.Covello, A.Gargano, B.F.Bayman, G.Graw, R.Hertenberger, H.-F.Wirth, T.Faestermann, M.Jaskola

High resolution spectroscopy of 112Sn through the 114Sn(p, t)112Sn reaction

NUCLEAR REACTIONS 114Sn(p, t), E=22 MeV; measured triton spectra, differential σ(θ). 112Sn; deduced levels, J, π, finite-range cluster DWBA analysis in a truncated seniority space. Munich Q3D spectrograph. Comparison with shell model calculations using a realistic two-body effective interaction.

doi: 10.1103/PhysRevC.85.054609
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2012HI07      Nature(London) 486, 341 (2012)

C.B.Hinke, M.Bohmer, P.Boutachkov, T.Faestermann, H.Geissel, J.Gerl, R.Gernhauser, M.Gorska, A.Gottardo, H.Grawe, J.L.Grebosz, R.Krucken, N.Kurz, Z.Liu, L.Maier, F.Nowacki, S.Pietri, Zs.Podolyak, K.Sieja, K.Steiger, K.Straub, H.Weick, H.-J.Wollersheim, P.J.Woods, N.Al-Dahan, N.Alkhomashi, A.Atac, A.Blazhev, N.F.Braun, I.T.Celikovic, T.Davinson, I.Dillmann, C.Domingo-Pardo, P.C.Doornenbal, G.de France, G.F.Farrelly, F.Farinon, N.Goel, T.C.Habermann, R.Hoischen, R.Janik, M.Karny, A.Kaskas, I.M.Kojouharov, Th.Kroll, Y.Litvinov, S.Myalski, F.Nebel, S.Nishimura, C.Nociforo, J.Nyberg, A.R.Parikh, A.Prochazka, P.H.Regan, C.Rigollet, H.Schaffner, C.Scheidenberger, S.Schwertel, P.-A.Soderstrom, S.J.Steer, A.Stolz, P.Strmen

Superallowed Gamow-Teller decay of the doubly magic nucleus 100Sn

RADIOACTIVITY 100Sn(β+), (EC) [from Be(124Xe, X)100Sn, E = 1 GeV/nucleon]; measured decay products, Eγ, Iγ, Eβ, Iβ. 100In; deduced T1/2, log ft, Gamow-Teller strength, energy levels, J, π, distribution of positron energies. Comparison with available data, large scale shell model calculations.

doi: 10.1038/nature11116
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2012KO37      Phys.Lett. B 718, 460 (2012)

T.Kotthaus, P.Reiter, H.Hess, M.Kalkuhler, A.Wendt, A.Wiens, R.Hertenberger, T.Morgan, P.G.Thirolf, H.-F.Wirth, T.Faestermann

Energy splitting between the first two quasi-particle states in 230Pa in comparison with the isotone 229Th

NUCLEAR REACTIONS 231Pa(polarized d, t)230Pa, E=22 MeV; measured reaction products. 229Th; deduced ground state energy, J, π. Comparison with theoretical calculations, implications for 229Th.

doi: 10.1016/j.physletb.2012.10.083
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2012LA03      Phys.Rev. C 85, 015801 (2012)

J.Lachner, I.Dillmann, T.Faestermann, G.Korschinek, M.Poutivtsev, G.Rugel, C.Lierse von Gostomski, A.Turler, U.Gerstmann

Attempt to detect primordial 244Pu on Earth

ATOMIC MASSES 244Pu; measured TOF-E(residuals) spectra using AMS technique at MLL, Garching facility. Attempt to detect primordial 244Pu in bastnasite mineral proved negative. Upper limit established, and compared with previous measurement.

doi: 10.1103/PhysRevC.85.015801
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2012LU05      Phys.Rev. C 85, 024315 (2012)

P.Ludwig, T.Faestermann, G.Korschinek, G.Rugel, I.Dillmann, L.Fimiani, S.Bishop, P.Kumar

Search for superheavy elements with 292 ≤ A ≤ 310 in nature with accelerator mass spectrometry

ATOMIC MASSES A=292-295, 297-302, 304, 306, 308, 310; measured abundance of SHE in natural platinum, osmium, lead fluoride, using energy loss, and time of flight information. Accelerator mass spectrometry (AMS) technique. No evidence found for the existence of superheavy elements (SHE), upper limits established.

doi: 10.1103/PhysRevC.85.024315
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2012NA23      Phys.Rev. C 86, 041301 (2012)

B.S.Nara Singh, T.S.Brock, R.Wadsworth, H.Grawe, P.Boutachkov, N.Braun, A.Blazhev, Z.Liu, M.Gorska, S.Pietri, D.Rudolph, C.Domingo-Pardo, S.J.Steer, A.Atac, L.Bettermann, L.Caceres, T.Engert, T.Faestermann, F.Farinon, F.Finke, K.Geibel, J.Gerl, R.Gernhauser, N.Goel, A.Gottardo, J.Grebosz, C.Hinke, R.Hoischen, G.Ilie, H.Iwasaki, J.Jolie, A.Kaskas, I.Kojouharov, R.Krucken, N.Kurz, E.Merchan, C.Nociforo, J.Nyberg, M.Pfutzner, A.Prochazka, Zs.Podolyak, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, H.Schaffner, P.-A.Soderstrom, N.Warr, H.Weick, H.-J.Wollersheim, P.J.Woods, F.Nowacki

Influence of the np interaction on the β decay of 94Pd

RADIOACTIVITY 94Pd(EC), (β+)[from 9Be(124Xe, X), E=850 MeV/nucleon]; measured Eγ, Iγ, γγ-coin, (94Pd)γ-correlations using FRS and RISING at GSI and EUROBALL cluster Ge detectors. 94Rh; deduced levels, J, π, Iβ, B(GT). Comparison with shell-model calculations. 90Zr, 92,94Mo, 93,95Rh, 94,95,96Ru, 95Tc; observed γ rays. Discussed 2906-keV γ ray in context of 2p decay of 21+ isomer in 94Ag.

NUCLEAR STRUCTURE 94Rh; calculated levels, J, π using Shell-model with three different interactions.

doi: 10.1103/PhysRevC.86.041301
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2012RO22      Eur.Phys.J. A 48, 95 (2012)

C.Rodriguez-Tajes, D.Cortina-Gil, H.Alvarez-Pol, T.Aumann, E.Benjamim, J.Benlliure, M.J.G.Borge, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, K.Eppinger, T.Faestermann, M.Gascon, H.Geissel, R.Gernhauser, B.Jonson, R.Kanungo, R.Krucken, T.Kurtukian, P.Maierbeck, T.Nilsson, C.Nociforo, C.Pascual-Izarra, A.Perea, D.Perez-Loureiro, A.Prochazka, S.Schwertel, H.Simon, K.Summerer, O.Tengblad, H.Weick, M.Winkler, M.V.Zhukov

Gamma-ray measurements in the one-neutron knockout of 17C, 19N, 21O and 25F

NUCLEAR REACTIONS 9Be(17C, 16C), (19N, 18N), (21O, 20O), (25F, 24F), E ≈ 60 MeV/nucleon; measured Eγ, Iγ, (heavy particle)γ-coin, γγ-coin; deduced σ to discrete states, total σ. Compared with other data.

doi: 10.1140/epja/i2012-12095-4
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2012SC18      Eur.Phys.J. A 48, 191 (2012)

S.Schwertel, P.Maierbeck, R.Krucken, R.Gernhauser, T.Kroll, H.Alvarez-Pol, F.Aksouh, T.Aumann, K.Behr, E.A.Benjamim, J.Benlliure, V.Bildstein, M.Bohmer, K.Boretzky, M.J.G.Borge, A.Brunle, A.Burger, M.Caamano, E.Casarejos, A.Chatillon, L.V.Chulkov, D.Cortina-Gil, J.Enders, K.Eppinger, T.Faestermann, J.Friese, L.Fabbietti, M.Gascon, H.Geissel, J.Gerl, M.Gorska, P.G.Hansen, B.Jonson, R.Kanungo, O.Kiselev, I.Kojouharov, A.Klimkiewicz, T.Kurtukian, N.Kurz, K.Larsson, T.Le Bleis, K.Mahata, L.Maier, T.Nilsson, C.Nociforo, G.Nyman, C.Pascual-Izarra, A.Perea, D.Perez, A.Prochazka, C.Rodriguez-Tajes, D.Rossi, H.Schaffner, G.Schrieder, H.Simon, B.Sitar, M.Stanoiu, K.Summerer, O.Tengblad, H.Weick, S.Winkler, B.A.Brown, T.Otsuka, J.A.Tostevin, W.D.M.Rae

One-neutron knockout from 51-55Sc

NUCLEAR REACTIONS 9Be(55Sc, 54Sc), (54Sc, 53Sc), (53Sc, 52Sc), (52Sc, 51Sc), (51Sc, 50Sc), E≈420 MeV/nucleon; measured relativistic reaction products, Eγ, Iγ; deduced longitudinal momentum distribution, σ; calculated σ.

doi: 10.1140/epja/i2012-12191-5
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2012TH07      Phys.Rev. C 86, 047304 (2012)

J.S.Thomas, S.J.Freeman, C.M.Deibel, T.Faestermann, R.Hertenberger, B.P.Kay, S.A.McAllister, A.J.Mitchell, J.P.Schiffer, D.K.Sharp, H.-F.Wirth

Neutron pair correlations in A=100 nuclei involved in neutrinoless double-β decay

NUCLEAR REACTIONS 98,100Mo, 100,102Ru(p, t), E=24 MeV; measured triton spectra, σ, σ(θ) using Q3D magnetic spectrograph at MLL Munich facility. 96,98Mo, 98,100Ru; deduced levels, J, π, σ(6°)/σ(15°) ratios, L-transfers. DWBA analysis. 98,100Mo(3He, 3He), E=12 MeV; measured target thickness and solid angle subtended by the spectrograph aperture. Relevance to pairing properties, and matrix elements of 0νββ decay of 100Mo to 100Ru.

doi: 10.1103/PhysRevC.86.047304
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2012WA40      J.Phys.:Conf.Ser. 381, 012074 (2012)

R.Wadsworth, B.S.Nara Singh, Z.Liu, H.Grawe, T.S.Brock, P.Boutachkov, N.Braun, A.Blazhev, M.Gorska, S.Pietri, D.Rudolph, C.Domingo-Pardo, S.J.Steer, A.Atac, L.Bettermann, L.Caceres, K.Eppinger, T.Engert, T.Faestermann, F.Farinon, F.Finke, K.Geibel, J.Gerl, R.Gernhauser, N.Goel, A.Gottardo, J.Grebosz, C.Hinke, R.Hoischen, G.Ilie, H.Iwasaki, J.Jolie, A.Kaskas, I.Kojouharov, R.Krucken, N.Kurz, E.Merchan, C.Nociforo, J.Nyberg, M.Pfutzner, A.Prochazka, Zs.Podolyak, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, H.Schaffner, P.-A.Soderstrom, N.Warr, H.Weick, H.-J.Wollersheim, P.J.Woods, F.Nowacki, K.Sieja

Spin-gap isomer in 96Cd

NUCLEAR REACTIONS 9Be(124Xe, 96Cd), E=850 MeV/nucleon; measured reaction products, Eγ, Iγ using RISING gamma array, βγ-coin; calculated levels, J, π using shell model with GF and SLGT0 interactions.

RADIOACTIVITY 96Cd(β+); measured Eγ, Iγ, βγ-coin from GT decay of the 16+ state to 96Ag 15+ isomer; calculated energy of the lowest 1+ and 2+ states in Ag using shell model with GF and SLGT0 interactions; deduced B(GT), importance of T=0 neutron-proton interaction.

doi: 10.1088/1742-6596/381/1/012074
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2012WH01      Phys.Rev. C 86, 044328 (2012)

C.Wheldon, N.I.Ashwood, M.Barr, N.Curtis, M.Freer, Tz.Kokalova, J.D.Malcolm, V.A.Ziman, Th.Faestermann, H.-F.Wirth, R.Hertenberger, R.Lutter

Absolute partial decay-branch measurements in 13C

NUCLEAR REACTIONS 9Be(6Li, d)13C*, E=42 MeV; measured deuteron, neutron and α spectra from breakup of 13C, (particle)(particle)-coin, absolute partial branching ratios for neutron and α decays, widths using Q3D magnetic spectrograph at MLL, Munich facility. 13C; deduced levels, J, π, branching ratios, reduced widths, molecular band levels. Comparison with previous studies.

doi: 10.1103/PhysRevC.86.044328
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2012WH02      J.Phys.:Conf.Ser. 381, 012078 (2012)

C.Wheldon, N.I.Ashwood, M.Barr, N.Curtis, M.Freer, Tz.Kokalova, J.D.Malcolm, S.J.Spencer, V.A.Ziman, Th.Faestermann, R.Krucken, H.-F.Wirth, R.Hertenberger, R.Lutter, A.Bergmaier

Absolute decay width measurements in 16O

NUCLEAR REACTIONS 12C(6Li, d), E=42 MeV; measured E(deuteron), I(deuteron) using high-resolution Q3D spectrograph, recoil products, break-up products. 16O deduced α decay width of excited states between 13.9 and 15.9 MeV, relative and absolute α-decay width.

doi: 10.1088/1742-6596/381/1/012078
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2011BO14      Eur.Phys.J. A 47, 44 (2011)

H.G.Bohlen, W.von Oertzen, M.Milin, T.Dorsch, R.Krucken, T.Faestermann, R.Hertenberger, Tz.Kokalova, M.Mahgoub, C.Wheldon, H.-F.Wirth

Structures in 20O from the 14C(7Li, p) reaction at 44 MeV

NUCLEAR REACTIONS 14C(7Li, p), E=44 MeV; measured reaction products, proton spectrum; deduced level energies, J, π, high-spin states, σ(θ), widths of resonances, rotational bands.

doi: 10.1140/epja/i2011-11044-1
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2011BO23      Phys.Rev. C 84, 044311 (2011)

P.Boutachkov, M.Gorska, H.Grawe, A.Blazhev, N.Braun, T.S.Brock, Z.Liu, B.S.Nara Singh, R.Wadsworth, S.Pietri, C.Domingo-Pardo, I.Kojouharov, L.Caceres, T.Engert, F.Farinon, J.Gerl, N.Goel, J.Grbosz, R.Hoischen, N.Kurz, C.Nociforo, A.Prochazka, H.Schaffner, S.J.Steer, H.Weick, H.-J.Wollersheim, T.Faestermann, Zs.Podolyak, D.Rudolph, A.Atac, L.Bettermann, K.Eppinger, F.Finke, K.Geibel, A.Gottardo, C.Hinke, G.Ilie, H.Iwasaki, J.Jolie, R.Krucken, E.Merchan, J.Nyberg, M.Pfutzner, P.H.Regan, P.Reiter, S.Rinta-Antila, C.Scholl, P.-A.Soderstrom, N.Warr, P.J.Woods, F.Nowacki, K.Sieja

High-spin isomers in 96Ag: Excitations across the Z=38 and Z=50, N=50 closed shells

NUCLEAR REACTIONS 9Be(124Xe, X), E=850 MeV/nucleon; measured Eγ, Iγ, γγ-coin, isomer half-life, isomeric ratios. 96Ag; deduced levels, J, π, reduced transition probabilities for E2, M2, E3 and E4. RISING project. Comparison with large-scale Shell Model calculations. 96Ag; calculated levels, J, π with large scale shell-model space.

doi: 10.1103/PhysRevC.84.044311
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2011BO32      J.Phys.:Conf.Ser. 312, 092019 (2011)

P.Boutachkov, N.Braun, T.Brock, B.S.Nara Singh, A.Blazhev, Z.Liu, R.Wadsworth, M.Gorska, H.Grawe, S.Pietri, C.Domingo-Pardo, T.Faestermann, F.Farinon, J.Grebosz, I.Kojuharov, N.Kurz, C.Nociforo, Zs.Podolyak, A.Prochazka, S.Steer, L.Caceres, T.Engert, J.Gerl, N.Goel, R.Hoischen, H.Schaffner, H.Weick, H.-J.Wollersheim, L.Bettermann, F.Finke, K.Geibel, G.Ilie, H.Iwasaki, J.Jolie, J.Nyberg, P.Reiter, C.Scholl, P.-A.Soderstrom, N.Warr, K.Eppinger, A.Gottardo, C.Hinke, R.Krucken, M.Pfutzner, P.Regan, S.Rinta-Antila, D.Rudolph, P.Woods, A.Atac, E.Merchan

Isomer and β-decay spectroscopy of Tz=1 isotopes below the N=Z=50 shell gap

NUCLEAR REACTIONS 9Be(124Xe, X), E=850 MeV/nucleon; measured Eγ, Iγ, γγ-coin, fragment charge, mass using FRS, DSSSD. 94Pd, 96Ag, 98Cd deduced levels, J, π, γ transitions, isomeric transition; calculated levels, J, π, γ transitions, isomeric transition.

doi: 10.1088/1742-6596/312/9/092019
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2011CS04      J.Phys.:Conf.Ser. 312, 092022 (2011)

L.Csige, M.Csatlos, T.Faestermann, Z.Gacsi, J.Gulyas, D.Habs, R.Hertenberger, A.Krasznahorkay, R.Lutter, H.J.Maier, P.G.Thirolf, T.Tornyi, H.-F.Wirth

Hyperdeformed fission resonances and transition states observed in 232U

NUCLEAR REACTIONS 231Pa(3He, df), E=38.1 MeV; measured E(d), I(d, θ=350) using Q3D magnetic spectrograph and position-sensitive light-ion detector, fission fragments, (fragment)d-coin; deduced sharp fission hyperdeformed resonances, fission probability, rotational bands, fission fragments angular distribution for rotational bands; calculated fission fragments angular distribution for rotational bands.

doi: 10.1088/1742-6596/312/9/092022
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2011GU08      Phys.Rev. C 83, 044614 (2011)

P.Guazzoni, L.Zetta, A.Covello, A.Gargano, B.F.Bayman, T.Faestermann, G.Graw, R.Hertenberger, H.-F.Wirth, M.Jaskola

High-resolution measurement of the 118, 124Sn(p, t)116, 122Sn reactions: Shell-model and microscopic distorted-wave Born approximation calculations

NUCLEAR REACTIONS 118Sn(p, t), E=24.6 MeV; 124Sn(p, t), E=25 MeV; measured E(t), I(t), σ, σ(θ). 116,122Sn; deduced levels, J, π, L-transfers. Finite range cluster DWBA analysis. Comparison with shell-model predictions. Evaluation of two-nucleon spectroscopic amplitudes in a truncated seniority space for a microscopic DWBA analysis.

doi: 10.1103/PhysRevC.83.044614
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2011HE08      Eur.Phys.J. A 47, 22 (2011); Erratum Eur.Phys.J. A 47, 29 (2011)

A.Heusler, T.Faestermann, G.Graw, R.Hertenberger, J.Jolie, R.Krucken, D.Mucher, N.Pietralla, C.Scholl, V.Werner, H.-F.Wirth, P.von Brentano

Neutron particle-hole structure of states in 208Pb determined from the proton decay of the d5/2 isobaric analog resonance in 209Bi

NUCLEAR REACTIONS 208Pb(p, p'), E<14 MeV; measured reaction products, proton spectrum. 208Pb, 209Bi; deduced level energies, σ, J, π, isobaric analog resonances, proton decay. Comparison to the available data.

doi: 10.1140/epja/i2011-11022-7
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2011HE13      J.Phys.(London) G38, 105102 (2011)

A.Heusler, T.Faestermann, R.Hertenberger, R.Krucken, H.-F.Wirth, P.von Brentano

Structure of states in 208Pb with major components of the neutron particle-hole configuration ν(d+15/2p-13/2)

NUCLEAR REACTIONS 208Pb(p, p'), 207Pb(d, p), E<14 MeV; measured proton spectra; deduced excitation energies, J, π, σ.

doi: 10.1088/0954-3899/38/10/105102
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2011HE25      J.Phys.:Conf.Ser. 312, 092030 (2011)

A.Heusler, G.Graw, R.Hertenberger, H.-F.Wirth, T.Faestermann, R.Krucken, J.Jolie, C.Scholl, P.von Brentano

High resolution particle spectroscopy in 208Pb

doi: 10.1088/1742-6596/312/9/092030
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2011HE26      Meteorit.Planet.Sci. 46, 1427 (2011)

G.F.Herzog, M.W.Caffee, T.Faestermann, R.Hertenberger, G.Korschinek, I.Leya, R.C.Reedy, J.M.Sisterson

Cross sections from 5 to 35 MeV for the reactions natMg(3He, x)26Al, 27Al(3He, x)26Al, natCa(3He, x)41Ca, and natCa(3He, x)36Cl: Implications for early irradiation in the solar system

NUCLEAR REACTIONS Mg(3He, X)26Al, 27Al(3He, X)26Al, Ca(3He, X)41Ca/36Cl, E=5-35 MeV; measured reaction products with AMS, chemical separation; deduced σ, solar system isotope ratios. TALYS nuclear model code calculations, comparison with available data.

doi: 10.1111/j.1945-5100.2011.01236.x
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2011KO30      Phys.Rev. C 84, 014334 (2011)

T.Kotthaus, P.Reiter, H.Hess, M.Kalkuhler, A.Wendt, A.Wiens, R.Hertenberger, T.Morgan, P.G.Thirolf, H.-F.Wirth, T.Faestermann

Probing Nilsson states in 233U

NUCLEAR REACTIONS 234U(polarized d, t), E=22 MeV; measured E(t), I(t), σ(θ), analyzing powers using Q3D spectrometer. 233U; deduced levels, J, π, rotational bands, spectroscopic strengths and fingerprints for bands, Nilsson configurations. DWBA analysis. Comparison with previous data.

doi: 10.1103/PhysRevC.84.014334
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2011LE47      J.Phys.:Conf.Ser. 312, 092036 (2011)

K.G.Leach, P.E.Garrett, G.C.Ball, J.C.Bangay, L.Bianco, G.A.Demand, T.Faestermann, P.Finlay, K.L.Green, R.Hertenberger, R.Kriicken, A.A.Phillips, E.T.Rand, C.S.Sumithrarachchi, C.E.Svensson, I.S.Towner, S.Triambak, H.-F.Wirth, J.Wong

Experimental Guidance of ISB Corrections via Direct Nuclear Reactions

NUCLEAR REACTIONS 64Zn(polarized d, d), (polarized d, t), E=22 MeV; measured Ep, Ip(θ), E(triton), I(triton, θ) using Q3D magnetic spectrograph; deduced elastic scattering σ(θ), vector analyzing power; calculated elastic scattering σ(θ), vector analyzing power using DWBA with isospin-symmetry breaking corrections and deuteron parameters from literature.

doi: 10.1088/1742-6596/312/9/092036
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