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NSR database version of May 24, 2024.

Search: Author = S.Eeckhaudt

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2023KO10      Phys.Rev. C 107, 064312 (2023)

H.Kokkonen, K.Auranen, J.Uusitalo, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, J.Sorri, M.Venhart

Properties of the new α-decaying isotope 190At

RADIOACTIVITY 190At(α)[from 109Ag(84Sr, 3n), E=380, 390 MeV, followed by the separation of reaction products using the gas-filled recoil separator RITU at the K-130 cyclotron of the University of Jyvaskyla]; measured fusion-evaporation residues, (implants)α-correlated events, Eα, T1/2 of 190At decay, protons using the GREAT spectrometer with multiwire proportional counter (MWPC) and double-sided silicon strip detectors (DSSD). 190At; deduced new isotope, Jπ for the ground state, Q(α), mass excess, Q(p), reduced decay width and α-decay hindrance factor using Rasmussen method, no evidence for the observation of protons; discussed logistics of proton emission from the decay of 190At. Systematics of experimental ground-state α-decay energies Q(α) of 105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124At, and compared with predictions from various mass models.

doi: 10.1103/PhysRevC.107.064312
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2021ST20      J.Phys.(London) G48, 125101 (2021)

S.Stolze, T.Grahn, R.Julin, D.T.Joss, K.Andgren, K.Auranen, S.Bonig, D.Cox, I.G.Darby, M.Doncel, S.Eeckhaudt, P.T.Greenlees, B.Hadinia, A.Herzan, U.Jakobsson, P.Jones, S.Juutinen, S.Ketelhut, J .Konki, T.Kroll, A.-P.Leppanen, M.Nyman, R.D.Page, J.Pakarinen, J.Partanen, C.G.McPeake, D.O'Donnell, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.Sorri, M.J.Taylor, A.Thornthwaite, J.Uusitalo

Single-particle and collective excitations in the transitional nucleus 166Os

NUCLEAR REACTIONS 92Mo(78Kr, 2n2p)166Os, E=357, 368 MeV; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, J, π, level scheme, T1/2, B(E2). Comparison with available data. RDDS and RSAM methods. The Accelerator Laboratory of the University of Jyvaskyla, Finland.

doi: 10.1088/1361-6471/ac2889
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2021ZH63      Phys.Rev. C 104, 064305 (2021)

W.Zhang, B.Cederwall, C.Qi, A.Ertoprak, O.Aktas, X.Liu, K.Andgren, K.Auranen, T.Back, L.Barber, G.Beeton, D.M.Cullen, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, E.Ganioglu, M.Gorska, T.Grahn, P.T.Greenlees, B.Hadinia, E.Ideguchi, A.Illana, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, J.M.Keatings, A.Khaplanov, F.Kulali, M.Leino, M.Luoma, B.Lv, B.S.Nara Singh, L.Nelson, M.Niikura, M.Nyman, J.Ojala, R.D.Page, J.Pakarinen, E.S.Paul, C.Petrache, M.Petri, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.F.Smith, J.Sorri, H.Tann, G.Zimba, J.Uusitalo, R.Wadsworth, R.Wyss

Identification of excited states in 10752Te55

NUCLEAR REACTIONS 58Ni(54Fe, 3n2p)107Te, E=195 MeV; 54Fe(58Ni, 3n2p)107Te, E=215 MeV; measured recoils, Eγ, Iγ, γγ-coin, (particle)γ-coin using EUROGAM array of 43 Compton-suppressed HPGe detectors and recoiling fusion evaporation products separated by RITU separator and implanted into two double-sided silicon strip detectors (DSSDs) of the GREAT spectrometer in 58Ni(54Fe, 3n2p) experiment, and using Jurogam III array of 15 Eurogam and 24 Euroball clover escape-suppressed Ge detectors, with evaporation products separated by MARA separator and implanted into the DSSD for the 54Fe(58Ni, 3n2p) experiment, both performed at the University of Jyvaskyla Accelerator Laboratory using recoil-decay tagging technique. 107Te; deduced high-spin levels, J, π, νh11/2 band. Comparison with large-scale shell-model calculations and total Routhian surface calculations. Systematics of νh11/2 bands and level structures in 107,109,111,113,115,117,119Te.

doi: 10.1103/PhysRevC.104.064305
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2018NA20      Phys.Rev. C 98, 024319 (2018)

B.S.Nara Singh, D.M.Cullen, M.J.Taylor, P.C.Srivastava, P.Van Isacker, O.Beeke, B.Dodson, C.Scholey, D.O'Donnell, U.Jakobsson, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Khan, M.Leino, A.-P.Leppanen, S.Eeckhaudt, K.Mantyniemi, J.Pakarinen, P.Peura, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo, M.Venhart

Level structure above the 17+ isomeric state in 15269Tm83

NUCLEAR REACTIONS 92Mo(64Zn, n3p), E=280 MeV; measured Eγ, Iγ, recoil time of flight and total kinetic energy loss (TKEL), γγ-coin, delayed γ, and half-life of the 17+ isomer using JUROGAM array for γ detection, RITU separator for recoil separation, and Gamma-Recoil-Electron-Alpha-Tagging (GREAT) spectrometer at JYFL, Jyvaskyla. 152Tm; deduced levels, J, π, configurations; calculated levels, J, π and B(E2) values of transitions in the yrast sequence 9+ to 21+ using both large scale shell model and reduced shell model with different proton-neutron interactions.

doi: 10.1103/PhysRevC.98.024319
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2017JO09      Phys.Lett. B 772, 703 (2017)

D.T.Joss, R.D.Page, A.Herzan, L.Donosa, J.Uusitalo, R.J.Carroll, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson, J.Sorri

Spectroscopy at the two-proton drip line: Excited states in 158W

NUCLEAR REACTIONS Pd(58Ni, X)158W, E=255 MeV; measured reaction products, Eγ, Iγ; deduced σ.

RADIOACTIVITY 158W(α), (2p); measured decay products, Eα, Iα, Eγ, Iγ; deduced γ-ray energies, J, π, an upper limit for the two-proton decay branch and T1/2. Comparison with available data.

doi: 10.1016/j.physletb.2017.07.031
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2017WA18      Phys.Lett. B 770, 83 (2017)

F.Wang, B.H.Sun, Z.Liu, R.D.Page, C.Qi, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, J.Pakarinen, S.Pietri, Z.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams, H.F.Zhang, W.Q.Zhang, L.H.Zhu

Spectroscopic factor and proton formation probability for the d3/2 proton emitter 151mLu

RADIOACTIVITY 151Lu(p) [from 96Ru(58Ni, X)151Lu, E=266, 274 MeV]; measured decay products, Ep, Ip, Eγ, Iγ; deduced γ-ray energies and intensities, spectroscopic factors, proton-decay formation amplitudes, Q-value, T1/2. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2017.04.034
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2017WA49      Phys.Rev. C 96, 064307 (2017); Erratum Phys.Rev. C 97, 029902 (2018)

F.Wang, B.H.Sun, Z.Liu, C.Qi, L.H.Zhu, C.Scholey, S.F.Ashley, L.Bianco, I.J.Cullen, I.G.Darby, S.Eeckhaudt, A.B.Garnsworthy, W.Gelletly, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, D.G.Jenkins, G.A.Jones, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, S.Khan, A.Kishada, M.Leino, M.Niikura, M.Nyman, R.D.Page, J.Pakarinen, S.Pietri, Zs.Podolyak, P.Rahkila, S.Rigby, J.Saren, T.Shizuma, J.Sorri, S.Steer, J.Thomson, N.J.Thompson, J.Uusitalo, P.M.Walker, S.Williams

Reinvestigation of the excited states in the proton emitter 151Lu: Particle-hole excitations across the N=Z=64 subshell

NUCLEAR REACTIONS 96Ru(58Ni, 2np), E=266, 274 MeV; measured fusion-evaporation residues, Eγ, Iγ, γγ-coin, pγ-coin using RITU separator, GREAT spectrometer and JUROGAM array at the K130 cyclotron facility of the University of Jyvaskyla. Recoil-Decay Tagging (RDT) technique. 151Lu; deduced high-spin levels, J, π, sequences. Comparison with large-scale shell-model calculations.

doi: 10.1103/PhysRevC.96.064307
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2016CA15      Phys.Rev. C 93, 034307 (2016)

R.J.Carroll, R.D.Page, D.T.Joss, D.O'Donnell, J.Uusitalo, I.G.Darby, K.Andgren, K.Auranen, S.Bonig, B.Cederwall, M.Doncel, M.C.Drummond, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, A.-P.Leppanen, C.McPeake, M.Nyman, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, J.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, D.Seweryniak, J.Simpson, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite

Excited states in the proton-unbound nuclide 158Ta

RADIOACTIVITY 166Ir, 162Re, 158Ta(α)[166Ir from 92Mo(78Kr, X), E=380 MeV using RITU separator at Jyvaskyla; 162Re and 158Ta from α decay chain]; measured Eα, Eγ, αγ-coin, α(implanted ion) correlations. 158Ta; deduced levels, J, π. 167Ir, 165,166Os(α); observed α spectrum.

NUCLEAR REACTIONS 102Pd(58Ni, np), E=255 MeV; measured Eγ, Iγ, Eα from g.s. and 19- isomer, γγ-coin, prompt and delayed γ rays, γ(implant) correlations using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla. 158Ta; deduced high-spin levels, J, π, isomer, conversion coefficients, multipolarity, configurations. Systematics of levels in N=85 isotones relative to 7/2- in odd-A and 9+ and 10+ in even-A isotopes of 149Gd, 151Dy, 153Er, 155Yb, 157Hf, 159W, 150Tb, 152Ho, 154Tm, 156Lu, 158Ta, 160Re. Discussed proton emission from excited states.

doi: 10.1103/PhysRevC.93.034307
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2016CA42      Phys.Rev. C 94, 064311 (2016)

R.J.Carroll, B.Hadinia, C.Qi, D.T.Joss, R.D.Page, J.Uusitalo, K.Andgren, B.Cederwall, I.G.Darby, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Multiparticle configurations of excited states in 155Lu

NUCLEAR REACTIONS 102Pd(58Ni, pα)155Lu/156Lu/157Lu/156Hf/157Hf/157Ta/158Ta/159Ta/158W, E=255 MeV; measured reaction products, Eγ, Iγ, delayed γ, (recoils)(α)γγ-coin using RITU separator, JUROGAM array and GREAT spectrometer at Jyvaskyla Accelerator Laboratory. Recoil-decay tagging (RDT) technique. 155Lu; deduced levels, J, π, multipolarity, configurations, anti-aligned 1+ interaction between h11/2 protons and h9/2 neutrons. Comparison with shell-model calculations. Systematics of excited states in odd-A N=84 isotones of 149Tb, 151Ho, 153Tm, 155Lu, 157Ta.

doi: 10.1103/PhysRevC.94.064311
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2016JO01      Phys.Rev. C 93, 024307 (2016)

D.T.Joss, G.D.Dracoulis, E.Higgins, M.Lewis, J.Thomson, G.J.Lane, R.D.Page, J.Simpson, L.Bianco, B.Cederwall, I.G.Darby, P.M.Davidson, S.Eeckhaudt, S.Erturk, B.Fabricius, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, J.Pakarinen, E.S.Paul, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Evolving collective structures in the transitional nuclei 162W and 164W

NUCLEAR REACTIONS 106Cd(60Ni, 2p), (60Ni, 2n2p), E=270 MeV; measured Eγ, Iγ, γγ-, (recoils)γγ-coin, Recoils-α-α-α-γ correlated spectra, γγ(θ)(DCO) using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla accelerator laboratory. 162,164W; deduced high-spin levels, J, π, bands, multipolarity, B(E1), B(E1)/B(E2) ratios, configurations, rotational alignments. Comparison with predictions of the cranked shell model.

doi: 10.1103/PhysRevC.93.024307
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2015CA04      Acta Phys.Pol. B46, 695 (2015)

R.J.Carroll, R.D.Page, D.T.Joss, J.Uusitalo, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Competing Decay Modes of a High-spin Isomer in the Proton-unbound Nucleus 158Ta

RADIOACTIVITY 158Ta(α), 154Lu(β+), 154Yb(α) [from 102Pd(58Ni, X)158Ta, E=255 MeV]; measured decay products, Eγ, Iγ; deduced energy levels, isomeric states, J, π, T1/2. Comparison with available data.

doi: 10.5506/APhysPolB.46.695
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2015DA03      Phys.Rev. C 91, 034319 (2015)

T.R.Davis-Merry, D.T.Joss, R.D.Page, J.Simpson, E.S.Paul, F.A.Ali, L.Bianco, R.J.Carroll, B.Cederwall, I.G.Darby, M.C.Drummond, S.Eeckhaudt, S.Erturk, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Peura, P.Rahkila, J.P.Revill, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, B.Saygi, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo

Collective excitations in the transitional nuclei 163Re and 165Re

NUCLEAR REACTIONS 106Cd(60Ni, 2np)163Re, E=270 MeV; 92Mo(78Kr, 2n3p), E=380 MeV; measured Eγ, Iγ, (recoil)γ-, (recoil)α-, αγ-, γγ-coin, Eα using RITU separator, GREAT spectrometer and JUROGAM array at K130 cyclotron facility of JYFL. Recoil-decay correlation technique. 163,165Re; deduced levels, J, π, bands, configuration. Comparison with cranked shell model predictions. Systematics of low-lying excited states in 161,163,165,167,169,171,173,175,177Re.

RADIOACTIVITY 155Lu, 158Hf, 160,162,163W, 159,160,161mTa, 164,165m,166Re, 164,166,167Os, 167,168Ir(α); measured Eα, αα-correlations, αγ-coin.

doi: 10.1103/PhysRevC.91.034319
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2015NY02      Eur.Phys.J. A 51, 31 (2015)

M.Nyman, S.Juutinen, D.M.Cullen, I.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, P.Jones, R.Julin, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

First observation of superdeformed states in 191Bi

NUCLEAR REACTIONS 109Ag(86Kr, 4n), E=380 MeV; measured prompt Eα, Iα, Eγ, Iγ(θ), (recoil)α-coin, (recoil)γ-coin, γγ-coin, αγ-coin using JUROGAM. 191Bi deduced γ transitions, levels, J, π, rotational bands, deformed bands, superdeformed bands, transition multipolarity, moments of inertia.

doi: 10.1140/epja/i2015-15031-2
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2015WA02      Phys.Lett. B 740, 243 (2015)

P.T.Wady, J.F.Smith, B.Hadinia, D.M.Cullen, S.J.Freeman, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, B.M.McGuirk, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, S.V.Rigby, C.Scholey, J.Uusitalo, R.Wadsworth

High-spin states beyond the proton drip-line: Quasiparticle alignments in 113Cs

NUCLEAR REACTIONS 58Ni(58Ni, X)113Cs, E=230 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, deformations. Calculated Quasiparticle Routhians from Woods-Saxon cranked-shell model for neutrons and protons.

doi: 10.1016/j.physletb.2014.11.045
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2014CA03      Phys.Rev.Lett. 112, 092501 (2014)

R.J.Carroll, R.D.Page, D.T.Joss, J.Uusitalo, I.G.Darby, K.Andgren, B.Cederwall, S.Eeckhaudt, T.Grahn, C.Gray-Jones, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, D.Seweryniak, J.Simpson

Blurring the Boundaries: Decays of Multiparticle Isomers at the Proton Drip Line

NUCLEAR REACTIONS 102Pd(58Ni, X)158Ta/157Lu/157Hf, E=255 MeV; measured reaction products, Eγ, Iγ; deduced σ.

RADIOACTIVITY 158Ta(IT), (α); measured decay products, Eγ, Iγ; deduced energy levels, J, π, high-spin, spin-trap isomer T1/2, α-decay branch. Comparison with available data.

doi: 10.1103/PhysRevLett.112.092501
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2013DE20      Phys.Rev. C 87, 067303 (2013)

H.De Witte, S.Eeckhaudt, A.N.Andreyev, I.N.Borzov, J.Cederkall, A.De Smet, D.V.Fedorov, V.N.Fedoseyev, S.Franchoo, M.Gorska, H.Grawe, G.Huber, M.Huyse, Z.Janas, U.Koester, W.Kurcewicz, J.Kurpeta, A.Plochocki, K.Van de Vel, P.Van Duppen, L.Weissman

β- decay of the neutron-rich isotope 215Pb

RADIOACTIVITY 215Pb(β-)[from 238U(p, X), E=1.4 GeV]; measured Eβ, Eγ, Iγ, βγ-, γγ-coin, half-life of 215Pb g.s., conversion coefficient. 215Bi; deduced levels, J, π, β feedings, logft, multipolarity. 215Pb beam produced using resonant laser ionization (RILIS) and mass separator at ISOLDE-CERN facility. Systematics of lowest 7/2- level energies in odd-A Bi nuclei.

doi: 10.1103/PhysRevC.87.067303
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2013DR06      Phys.Rev. C 87, 054309 (2013)

M.C.Drummond, D.T.Joss, R.D.Page, J.Simpson, D.O'Donnell, K.Andgren, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.-P.Leppanen, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, P.J.Sapple, J.Saren, B.Saygi, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo, M.Venhart

Low-lying excited states in the neutron-deficient isotopes 163Os and 165Os

NUCLEAR REACTIONS 106Cd(60Ni, 3n), E=270 MeV; 92Mo(78Kr, 3n2p), E=357 MeV; measured Eγ, Iγ, Eα, (recoil)γ-, αγ-, γγ-coin, γ(θ) using JUROGAM, GREAT spectrometers, and RITU separator at Jyvaskyla accelerator facility. 163,165Os; deduced high-spin levels, J, π, bands, multipolarity, configurations. Recoil-decay tagging technique. Systematic of band structures in 163W, 162,163,164,165,167Os.

RADIOACTIVITY 163,165Os(α)[from 106Cd(60Ni, 3n), E=270 MeV and 92Mo(78Kr, 3n2p), E=357 MeV]; measured Eα, Iα, half-lives, α branching ratio.

doi: 10.1103/PhysRevC.87.054309
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2013NY01      Phys.Rev. C 88, 054320 (2013)

M.Nyman, S.Juutinen, I.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, H.Kettunen, M.Leino, P.Nieminen, P.Peura, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, T.Enqvist

γ-ray and decay spectroscopy of 194, 195, 196At

NUCLEAR REACTIONS 147Sm(51V, 3n), E=224 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, Eα, (recoil)α-correlations, (recoil)α(t) using RITU gas-filled separator, GREAT spectrometer and JUROGAM array at JYFL facility. Recoil-decay tagging method. 195At; deduced levels, J, π, bands, E3 branching ratio for 7/2- isomer to 1/2+ ground state transition, moment of inertia plots, configurations. 196At; deduced isomer energy and half-life from (recoil)γ(t). 194,195Po, 197At; observed γ rays. Systematics of kinematic moment of inertia plots for bands in 188Hg, 191,193Bi, 195,197At.

RADIOACTIVITY 194,194m,195,195m,196At(α)[from 147Sm(51V, xn), E=224 MeV]; 190,190m,191,191m,192Bi(α)[from α decay of corresponding At isotopes]; measured Eα, Iα, half-lives of ground states and isomers, αγ-coin, αα-correlations; deduced hindrance factors, configurations. 191Bi; deduced levels, J, π. 194,195,196Po, 197At; observed α lines from their decays. Systematics of energies of low-lying states in N(even)=100-126 Tl, Pb, Bi, and At isotopes.194,196,198,200,202At; estimated level energies of the lowest members of proton-neutron multiplets; systematics of α energies.

doi: 10.1103/PhysRevC.88.054320
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2013UU01      Phys.Rev. C 87, 064304 (2013)

J.Uusitalo, J.Saren, S.Juutinen, M.Leino, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, C.Scholey, A.Semchenkov, J.Sorri, A.Steer, M.Venhart

α-decay studies of the francium isotopes 198Fr and 199Fr

RADIOACTIVITY 198,199Fr(α)[from 141Pr(60Ni, xn), E=268 MeV]; measured Eα, Iα, Eγ, time-of-flight, recoil energy deposit, half-lives using RITU separator and GREAT spectrometer at JYFL facility. 198,199Fr; deduced levels, J, π, isomers, reduced α widths, speculative decay schemes. 190,191Bi, 194,195,196At, 200Fr(α); measured Eα, half-lives of ground states and isomers; deduced reduced α widths, speculative decay schemes. Comparison with calculated half-lives. 186,187Tl, 190,191Bi, 194,195At, 198,199Fr; deduced possible levels, isomers, J, π. 198,199Rn, 192Bi(α); observed α spectra. 190,191Bi(β+), (EC); deduced EC+β+ branching ratio. Systematics of Eα for α transitions in A=190-212 At and Fr isotopes. Evidence of ground state deformation at N=112 in Fr isotopes.

NUCLEAR REACTIONS 141Pr(60Ni, X)198Rn/199Rn/198Fr/199Fr, E=268 MeV; measured production σ using RITU separator at JYFL facility.

doi: 10.1103/PhysRevC.87.064304
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2011CU01      Phys.Rev. C 83, 014316 (2011)

D.M.Cullen, P.J.R.Mason, C.Scholey, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.M.Kishada, M.Leino, A.-P.Leppanen, K.Mantyniemi, P.Nieminen, M.Nyman, J.Pakarinen, P.Peura, M.G.Procter, P.Rahkila, S.V.Rigby, J.Saren, J.Sorri, J.Uusitalo, B.J.Varley, M.Venhart

Discovery of a 10 μs isomeric state in 63139Eu

NUCLEAR REACTIONS 92Mo(54Fe, 2n5p), E=305, 315 MeV; measured Eγ, Iγ, prompt and delayed γ-spectra, (recoil)γ-coin, (recoil)γ(t), isomer half-life using recoil-isomer tagging technique. 139Eu; deduced levels, J, π, internal conversion coefficients, multipolarities, band, alignment plot, configuration, B(E1) strength. Comparison of E1 strength with those in 128,130,132Te, 131I, 134,138,147,149Pm, 136Sm, 140Eu, 138Gd, 142Tb, 140,148Dy, 144Ho.

doi: 10.1103/PhysRevC.83.014316
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2011DA01      Phys.Lett. B 695, 78 (2011)

I.G.Darby, R.D.Page, D.T.Joss, J.Simpson, L.Bianco, R.J.Cooper, S.Eeckhaudt, S.Erturk, B.Gall, T.Grahn, P.T.Greenlees, B.Hadinia, P.M.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.N.Steer, J.Uusitalo, M.Venhart

Decay of the high-spin isomer in 160Re: Changing single-particle structure beyond the proton drip line

RADIOACTIVITY 160Re(IT) [from 106Cd(58Ni, X), E=290, 300 MeV]; measured Eγ, Iγ, γγ and αγ-coin.; deduced a new high-spin isomeric state, T1/2. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.10.052
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2011DA12      Phys.Rev. C 83, 064320 (2011)

I.G.Darby, R.D.Page, D.T.Joss, L.Bianco, T.Grahn, D.S.Judson, J.Simpson, S.Eeckhaudt, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.N.Steer, J.Uusitalo, M.Venhart, S.Erturk, B.Gall, B.Hadinia

Precision measurements of proton emission from the ground states of 156Ta and 160Re

RADIOACTIVITY 160Re(p), (α)[from 106Cd(58Ni, X), E=290, 300 MeV]; 156Ta(p), (β+)[from 160Re α decay]; 159W(α)[from 160Re p decay]; 156Hf(α)[from 156Ta β+ decay]; measured E(p), I(p), Eα, Iα, Eγ, half-lives using GREAT spectrometer; deduced branching ratios for proton, α and β decay modes, spectroscopic factors. 156Ta, 160Re; deduced J, π for ground states.

doi: 10.1103/PhysRevC.83.064320
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2011GH08      Phys.Rev. C 84, 064312 (2011)

F.Ghazi Moradi, T.Back, B.Cederwall, M.Sandzelius, A.Atac, A.Johnson, C.Qi, R.Liotta, B.Hadinia, K.Andgren, A.Khaplanov, R.Wyss, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, E.Ganioglu, J.Thomson, D.T.Joss, R.D.Page, S.Erturk, J.Simpson, M.B.Gomez Hornillos, L.Bianco

High-spin study of 162Ta

NUCLEAR REACTIONS 106Cd(60Ni, n3p), E=270 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO). 162Ta; deduced levels, J, π, experimental Routhians, rotational bands, energy staggering, configurations, B(M1)/B(E2) ratios. JUROGAM array and Gamma Recoil Electron Alpha Tagging (GREAT) spectrometer. Total Routhian surface calculations. Systematics of energy staggering of signature partners for bands in 158,160,162Tm, 160,162,164Lu, 162,164,166Ta.

doi: 10.1103/PhysRevC.84.064312
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2011LA01      Phys.Rev. C 83, 014313 (2011)

K.Lagergren, D.T.Joss, E.S.Paul, B.Cederwall, J.Simpson, D.E.Appelbe, C.J.Barton, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leiono, A.-P.Leppanen, P.Nieminen, R.D.Page, J.Pakarinen, J.Perkowski, P.Rahkila, C.Scholey, J.Uusitalo, D.D.Warner, D.R.Wiseman, R.Wyss

γ-soft shapes and quasiparticle excitations in 16173Ta88

NUCLEAR REACTIONS 106Cd(58Ni, 3p), E=270 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), (evaporation residues)γ-correlations using JUROGAM array. 161Ta; deduced levels, J, π, multipolarity, rotational bands, configurations, alignments, staggering, B(M1)/B(E2). Comparison with cranked shell-model calculations. Calculated total Routhians as a function of γ deformation parameter.

doi: 10.1103/PhysRevC.83.014313
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2010BI03      Phys.Lett. B 690, 15 (2010)

L.Bianco, R.D.Page, I.G.Darby, D.T.Joss, J.Simpson, J.S.Al-Khalili, A.J.Cannon, B.Cederwall, S.Eeckhaudt, S.Erturk, B.Gall, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, K.Heyde, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.-P.Leppanen, M.Nyman, D.O'Donnell, E.S.Paul, M.Petri, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, N.A.Smirnova, A.N.Steer, P.D.Stevenson, E.B.Suckling, J.Thomson, J.Uusitalo, M.Venhart

Discovery of 157W and 161Os

NUCLEAR REACTIONS 106Cd(58Ni, 3n), E=290, 310 MeV; measured reaction products; deduced α spectra, α-branching, T1/2, fine structure, ground state J, π.

RADIOACTIVITY 161Os(α), 157W(β+); measured decay products; deduced T1/2, β-branching. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.04.056
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2010ID01      Phys.Rev. C 81, 034303 (2010)

E.Ideguchi, B.Cederwall, E.Ganioglu, B.Hadinia, K.Lagergren, T.Back, A.Johnson, R.Wyss, S.Eeckhaudt, T.Grahn, P.Greenlees, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, J.Pakarinen, P.Rahkila, C.Scholey, J.Uusitalo, D.T.Joss, E.S.Paul, D.R.Wiseman, R.Wadsworth, A.V.Afanasjev, I.Ragnarsson

High-spin intruder band in 107In

NUCLEAR REACTIONS 58Ni(52Cr, 3p), E=187 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, γ(θ) using the JUROGAM array. 107In; deduced levels, J, π, multipolarity, mixing ratios, M1 band and a smooth-terminating band, dynamical moments of inertia, and configurations. Calculated potential energy surfaces. Comparisons with total Routhian surface and cranked Nilsson-Strutinsky calculations, and with systematics of rotational band structures in 105Ag, 106Cd, 108Sn, 109Sb, 110Te and 111I. 104Cd, 106In, 107Sn; measured Eγ.

doi: 10.1103/PhysRevC.81.034303
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2010SC02      Phys.Rev. C 81, 014306 (2010)

C.Scholey, K.Andgren, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, S.Erturk, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, E.Ideguchi, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, P.Nieminen, M.Niikura, M.Nyman, D.O'Donnell, R.D.Page, J.Pakarinen, P.Rahkila, J.Saren, M.Sandzelius, J.Simpson, J.Sorri, J.Thomson, J.Uusitalo, M.Venhart

Isomeric and ground-state properties of 78171Pt, 76167Os, and 74163W

NUCLEAR REACTIONS 106Cd(60Ni, n2p)163W, E=270 MeV; 92Mo(78Kr, nα2p)163W, E=380 MeV; 92Mo(78Kr, n2p)167Os, E=357, 365 MeV; 96Ru(78Kr, n2p)171Pt, E=348 MeV; measured Eγ, Iγ, γγ-coin using the JUROGAM array, conversion electrons, σ; deduced multipolarities, internal conversion coefficients. 163W, 167Os, 171Pt; deduced levels, J, π, half-lives.

RADIOACTIVITY 162,163W, 163,165Re, 165,166,167Os, 169,171Ir, 171,172Pt, 172Au(α); measured Eα, Iα; deduced half-lives. 171Pt(α); measured branching ratio.

doi: 10.1103/PhysRevC.81.014306
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2010SE10      Nucl.Phys. A834, 357c (2010)

D.Seweryniak, T.L.Khoo, I.Ahmad, F.G.Kondev, A.Robinson, S.K.Tandel, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, K.Hauschild, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, D.G.Jenkins, G.D.Jones, S.Ketelhut, T.Lauritsen, C.J.Lister, A.Lopez-Martens, P.Marley, E.A.McCutchan, T.Nakatsukasa, P.Papadakis, D.Peterson, J.Qian, D.Rostron, I.Stefanescu, U.S.Tandel, X.F.Wang, S.F.Zhu

Bridging the nuclear structure gap between stable and super heavy nuclei

NUCLEAR STRUCTURE 249Bk; calculated single-proton energies using different interactions; 252,254No, 256,257Rf; deduced configurations. Comparison with data.

doi: 10.1016/j.nuclphysa.2010.01.039
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2010TH01      Phys.Rev. C 81, 014307 (2010)

J.Thomson, D.T.Joss, E.S.Paul, C.Scholey, J.Simpson, S.Erturk, L.Bianco, B.Cederwall, I.G.Darby, S.Eeckhaudt, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, D.O'Donnell, R.D.Page, J.Pakarinen, P.Rahkila, N.Rowley, M.Sandzelius, P.J.Sapple, J.Saren, J.Sorri, J.Uusitalo

Competing quasiparticle configurations in 163W

NUCLEAR REACTIONS 106Cd(60Ni, n2p), E=270 MeV; measured Eγ, Iγ, γγ-coin using the JUROGAM array, DCO ratios. 163W; deduced levels, J, π, bands, multipolarities, configurations. Comparisons with cranked Woods-Saxon shell-model calculations.

doi: 10.1103/PhysRevC.81.014307
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2009CU02      Phys.Rev. C 80, 024303 (2009)

D.M.Cullen, P.J.R.Mason, S.V.Rigby, C.Scholey, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.M.Kishada, M.Leino, A.-P.Leppanen, K.Mantyniemi, P.Nieminen, M.Nyman, J.Pakarinen, P.Peura, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo, B.J.Varley, M.Venhart

20 μs isomeric state in doubly odd 13461Pm

NUCLEAR REACTIONS 92Mo(54Fe, n3p2α), E=305, 315 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin, half-life, prompt and delayed γ rays. 134Pm; deduced levels, J, π, isomer, configurations. Recoil-isomer tagging method. E1 transition strength systematics of even-A (A=126-148) Te, Pm, Eu, Tb, Ho and Dy nuclei.

doi: 10.1103/PhysRevC.80.024303
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2009HE23      Eur.Phys.J. A 42, 333 (2009)

R.-D.Herzberg, S.Moon, S.Eeckhaudt, P.T.Greenlees, P.A.Butler, T.Page, A.V.Afanasjev, N.Amzal, J.E.Bastin, F.Becker, M.Bender, B.Bruyneel, J.F.C.Cocks, I.G.Darby, O.Dorvaux, K.Eskola, J.Gerl, T.Grahn, C.Gray-Jones, N.J.Hammond, K.Hauschild, P.-H.Heenen, K.Helariutta, A.Herzberg, F.Hessberger, M.Houry, A.Hurstel, R.D.Humphreys, G.D.Jones, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.LeCoz, M.Leino, A.-P.Leppanen, C.J.Lister, R.Lucas, M.Muikku, P.Nieminen, M.Nyman, R.D.Page, T.Page, J.Pakarinen, A.Pritchard, P.Rahkila, P.Reiter, M.Sandzelius, J.Saren, Ch.Schlegel, C.Scholey, Ch.Theisen, W.H.Trzaska, J.Uusitalo, A.Wiens, H.J.Wollersheim

Structure of rotational bands in 253No

NUCLEAR REACTIONS 207Pb(48Ca, 2n), E=219 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin with JUROGRAM and RITU; analyzed conversion electron spectra from SACRED detector. 253No; deduced T1/2, J, π, level energies, multipolarities, branching ratios. Comparison with rotational model.

doi: 10.1140/epja/i2009-10855-9
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2009KE02      Phys.Rev.Lett. 102, 212501 (2009)

S.Ketelhut, P.T.Greenlees, D.Ackermann, S.Antalic, E.Clement, I.G.Darby, O.Dorvaux, A.Drouart, S.Eeckhaudt, B.J.P.Gall, A.Gorgen, T.Grahn, C.Gray-Jones, K.Hauschild, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, G.D.Jones, P.Jones, R.Julin, S.Juutinen, T.-L.Khoo, W.Korten, M.Leino, A.-P.Leppanen, J.Ljungvall, S.Moon, M.Nyman, A.Obertelli, J.Pakarinen, E.Parr, P.Papadakis, P.Peura, J.Piot, A.Pritchard, P.Rahkila, D.Rostron, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, A.Steer, B.Sulignano, Ch.Theisen, J.Uusitalo, M.Venhart, M.Zielinska, M.Bender, P.-H.Heenen

γ-Ray Spectroscopy at the Limits: First Observation of Rotational Bands in 255Lr

NUCLEAR REACTIONS 209Bi(48Ca, 2n), E=219, 221 MeV; Measured Eγ, Iγ, αγ-coin; Deduced rotational bands; Calculated rotational bands;251Md;255Lr; Compared theoretical and experimental results.

doi: 10.1103/PhysRevLett.102.212501
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2009MA06      Phys.Rev. C 79, 024318 (2009)

P.J.R.Mason, D.M.Cullen, C.Scholey, S.Eeckhaudt, T.Grahn, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.M.Kishada, M.Leino, A.-P.Leppanen, K.Mantyniemi, P.Nieminen, M.Nyman, J.Pakarinen, P.Peura, P.Rahkila, S.V.Rigby, J.Saren, J.Sorri, J.Uusitalo, B.J.Varley, M.Venhart

Prompt and delayed spectroscopy of 142Tb using recoil-isomer tagging

NUCLEAR REACTIONS 92Mo(54Fe, n3p), E=245, 252, 256 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), half-lives. 142Tb; deduced J, π, multipolarity, isomers, bands, configurations. Prompt and delayed γ-ray spectroscopy using recoil isomer-tagging technique. Comparison with predictions of cranked shell-model calculations.

doi: 10.1103/PhysRevC.79.024318
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2009PA33      Phys.Rev. C 80, 031303 (2009)

J.Pakarinen, A.N.Andreyev, R.Julin, S.Juutinen, S.Antalic, L.Bianco, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, D.G.Jenkins, P.Jones, P.Joshi, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, J.Perkowski, P.M.Raddon, P.Rahkila, D.Rostron, J.Saren, C.Scholey, J.Sorri, B.Streicher, J.Uusitalo, K.Van de Vel, M.Venhart, R.Wadsworth, D.R.Wiseman

Evidence for prolate structure in light Pb isotopes from in-beam γ-ray spectroscopy of 185Pb

NUCLEAR REACTIONS 106Pd(82Kr, X)185Pb, E=367 MeV; 104Pd(83Kr, X)185Pb, E=362 MeV; measured Eγ, Iγ, αγγ-, (particle)γ-coin, recoil-decay tagging method. 185Pb; deduced levels, J, π, bands, configurations. Comparison with level structure of 181Pt. Level systematics of A=182-197 Pb isotopes.

RADIOACTIVITY 181,182,183,184,185Hg, 184,185,186Pb(α); measured Eα.

doi: 10.1103/PhysRevC.80.031303
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2009SA49      Phys.Rev. C 80, 054316 (2009)

M.Sandzelius, B.Cederwall, E.Ganioglu, J.Thomson, K.Andgren, L.Bianco, T.Back, S.Eeckhaudt, S.Erturk, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, B.Hadinia, A.Johnson, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, R.D.Page, P.Rahkila, J.Saren, C.Scholey, J.Simpson, J.Sorri, J.Uusitalo, R.Wyss

γ-ray spectroscopy of 163Ta

NUCLEAR REACTIONS 106Cd(60Ni, 3p), E=270 MeV; measured Eγ, Iγ, γγ-, γ(recoil)-, γα-coin, γγ(θ), DCO using JUROGAM array, RITU separator and GREAT spectrometer. 163Ta; deduced levels, J, π, multipolarities, rotational bands, and configurations. Comparison with cranked shell model and total-Routhian surface calculations. 162,163,164W, 162Hf; measured Eγ.

RADIOACTIVITY 159Hf, 163Ta, 162,163,164W(α) [from 106Cd(60Ni, X), E=270 MeV]; measured Eα.

doi: 10.1103/PhysRevC.80.054316
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2008GR04      Nucl.Phys. A801, 83 (2008)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, M.Bender, P.-H.Heenen

Lifetimes of intruder states in 186Pb, 188Pb and 194Po

NUCLEAR REACTIONS 106,108Pd, 114Cd(83Kr, 3n), E=340, 357, 375 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin and lifetimes for intruder states using the recoil distance Doppler-shift method. 186,188Pb, 194Po; deduced B(E2), quadrupole moment and deformation parameters. JUROGAM array used with RITU, GREAT spectrometer. Recoil-decay tagging.

doi: 10.1016/j.nuclphysa.2008.01.002
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2008RI05      Phys.Rev. C 78, 034304 (2008)

S.V.Rigby, D.M.Cullen, P.J.R.Mason, D.T.Scholes, C.Scholey, P.Rahkila, S.Eeckhaudt, T.Grahn, P.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, J.Pakarinen, J.Uusitalo

Decay of a πh11/2 (X) νh11/2 microsecond isomer in 13661Pm75

NUCLEAR REACTIONS 92Mo(54Fe, X)136Pm/137Pm/136Sm/137Sm/138Sm/137Eu/139Eu/138Gd/139Gd/140Gd, E=315 MeV; measured Eγ, Iγ, γγ-coin, half-lives. 136Pm; deduced levels, bands, (Bλ). 144Gd, 148Dy, 138Pm, 140Eu, 142Tb, 144Ho, 133Cs, 134,135Te, 133La, 136Pr, 136I; systematics of B(E1), B(E2), B(M1).

doi: 10.1103/PhysRevC.78.034304
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2008RO21      Phys.Rev. C 78, 034308 (2008)

A.P.Robinson, T.L.Khoo, I.Ahmad, S.K.Tandel, F.G.Kondev, T.Nakatsukasa, D.Seweryniak, M.Asai, B.B.Back, M.P.Carpenter, P.Chowdhury, C.N.Davids, S.Eeckhaudt, J.P.Greene, P.T.Greenlees, S.Gros, A.Heinz, R.-D.Herzberg, R.V.F.Janssens, G.D.Jones, T.Lauritsen, C.J.Lister, D.Peterson, J.Qian, U.S.Tandel, X.Wang, S.Zhu

Kπ = 8- isomers and Kπ = 2- octupole vibrations in N = 150 shell-stabilized isotones

NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=217 MeV; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-coin, half-life. 252No; deduced levels, J, π. 244Pu, 248Cf, 250Fm; systematics of 2- and 8- states.

RADIOACTIVITY 246Am(β-) [from 244Pu(α, pn), E=42 MeV]; measured Eγ, Iγ, conversion electron spectra, γγ-, (ce)γ-spectra, isomer half-life. 246Cm; deduced levels, J, π.

doi: 10.1103/PhysRevC.78.034308
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2007CH26      Phys.Rev.Lett. 98, 132503 (2007)

A.Chatillon, Ch.Theisen, E.Bouchez, P.A.Butler, E.Clement, O.Dorvaux, S.Eeckhaudt, B.J.P.Gall, A.Gorgen, T.Grahn, P.T.Greenlees, R.-D.Herzberg, F.Hessberger, A.Hurstel, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kettunen, F.Khalfallah, W.Korten, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, J.Perkowski, P.Rahkila, M.Rousseau, C.Scholey, J.Uusitalo, J.N.Wilson, P.Bonche, P.-H.Heenen

Observation of a Rotational Band in the Odd-Z Transfermium Nucleus 251101Md

NUCLEAR REACTIONS 205Tl(48Ca, 2n), E=211, 214, 217 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin; deduced σ. 251Md deduced high-spin levels, J, π, configurations. Jurogam array, recoil-decay tagging.

doi: 10.1103/PhysRevLett.98.132503
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2007GR27      Eur.Phys.J. Special Topics 150, 121 (2007)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, H.Kettunen, T.Kroll, R.Krucken, P.Jones, S.Juutinen, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, B.Melon, D.A.Meyer, P.Nieminen, M.Nyman, R.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

Collectivity in neutron-deficient Pb and Po nuclei

doi: 10.1140/epjst/e2007-00282-8
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2007HA45      Phys.Rev. C 76, 044312 (2007)

B.Hadinia, B.Cederwall, D.T.Joss, R.Wyss, R.D.Page, C.Scholey, A.Johnson, K.Lagergren, E.Ganioglu, K.Andgren, T.Back, D.E.Appelbe, C.J.Barton, S.Eeckhaudt, T.Grahn, P.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Lepanen, R.J.Liotta, P.Nieminen, J.Pakarinen, J.Perkowski, P.Rahkila, M.Sandzelius, J.Simpson, J.Uusitalo, K.Van de Vel, D.D.Warner, D.R.Wiseman

In-beam γ-ray and α-decay spectroscopy of 170Ir

NUCLEAR REACTIONS 112Sn(60Ni, np), E=266 MeV; measured Eγ, Iγ, recoil decay tagging, γγ-, (recoil)γ-coin; 170Ir deduced levels, J, π, bands, half-lives. JUROGAM array used with RITU, GREAT spectrometer.

RADIOACTIVITY 170Ir(α); measured E(α). 166Re; deduced levels.

doi: 10.1103/PhysRevC.76.044312
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2007LE14      Phys.Rev. C 75, 054307 (2007)

A.P.Leppanen, J.Uusitalo, M.Leino, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, P.Kuusiniemi, P.Nieminen, J.Pakarinen, P.Rahkila, C.Scholey, G.Sletten

α decay studies of the nuclides 218U and 219U

RADIOACTIVITY 218,219U(α) [from 182W(40Ar, X)]; measured Eα, T1/2. Deduced hindrance factors and reduced widths.

doi: 10.1103/PhysRevC.75.054307
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2007PA05      Phys.Rev. C 75, 014302 (2007)

J.Pakarinen, V.Hellemans, R.Julin, S.Juutinen, K.Heyde, P.-H.Heenen, M.Bender, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, F.Johnston-Theasby, P.Jones, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth

Investigation of nuclear collectivity in the neutron mid-shell nucleus 186Pb

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, rotational and vibrational bands, deformation. Recoil-decay tagging, interacting boson model and mean-field model calculations.

doi: 10.1103/PhysRevC.75.014302
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2007PA27      Phys.Rev. C 75, 061302 (2007)

R.D.Page, L.Bianco, I.G.Darby, J.Uusitalo, D.T.Joss, T.Grahn, R.-D.Herzberg, J.Pakarinen, J.Thomson, S.Eeckhaudt, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, P.Rahkila, J.Saren, C.Scholey, A.Steer, M.B.Gomez Hornillos, J.S.Al-Khalili, A.J.Cannon, P.D.Stevenson, S.Erturk, B.Gall, B.Hadinia, M.Venhart, J.Simpson

α decay of 159Re and proton emission from 155Ta

RADIOACTIVITY 159Re(α) [from 106Cd(58Ni, X)]; 155Ta(p); measured Eα, Iα, Ep, Ip. deduced separation energies.

doi: 10.1103/PhysRevC.75.061302
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2007PE32      Phys.Rev. C 76, 054301 (2007)

M.Petri, E.S.Paul, B.Cederwall, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, E.Ganioglu, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Leino, L.Nelson, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, R.Wadsworth

Nuclear levels in proton-unbound 109I: Relative single-particle energies beyond the proton drip line

NUCLEAR REACTIONS 58Ni(54Fe, 2np), E=195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ), multipolarities. 109I; deduced levels, J, π, rotational bands; calculated configurations. JUROGAM array. 106,108,110,112,114,116,118,120,122,124,126,128,130,132,134,136,138Te, 109,111,113,115,117,119,121,123,125,127,129,131I, 110,112,114,116,118,120,122,124,126,128,130,132,134,136,138,140,142,144Xe, 117,119,121,123,125,127,129Cs; systematics.

doi: 10.1103/PhysRevC.76.054301
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2007SA33      Phys.Rev. C 75, 054321 (2007)

M.Sandzelius, C.Scholey, B.Cederwall, E.Ganioglu, K.Andgren, D.E.Appelbe, C.J.Barton, T.Back, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, A.Johnson, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, H.Kettunen, K.Lagergren, M.Leino, A.-P.Leppanen, P.Nieminen, R.D.Page, J.Pakarinen, J.Perkowski, P.Rahkila, J.Simpson, J.Uusitalo, K.Van de Vel, D.D.Warner, D.R.Wiseman, R.Wyss

First identification of excited states in 169Ir

NUCLEAR REACTIONS 112Sn(60Ni, 2np), E=266 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coinc. Deduced level energies, J, π.

doi: 10.1103/PhysRevC.75.054321
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2007SA36      Phys.Rev.Lett. 99, 022501 (2007)

M.Sandzelius, B.Hadinia, B.Cederwall, K.Andgren, E.Ganioglu, I.G.Darby, M.R.Dimmock, S.Eeckhaudt, T.Grahn, P.T.Greenlees, E.Ideguchi, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, A.Khaplanov, M.Leino, L.Nelson, M.Niikura, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, M.Petri, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, R.Wadsworth, R.Wyss

Identification of Excited States in the Tz=1 Nucleus 110Xe: Evidence for Enhanced Collectivity near the N=Z=50 Double Shell Closure

NUCLEAR REACTIONS 58Ni(54Fe, X)110Xe, E=195 MeV; measured Eγ, Iγ, γγ-coinc. 110Xe deduced levels and B(E2).

doi: 10.1103/PhysRevLett.99.022501
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2007WI11      Eur.Phys.J. A 34, 275 (2007)

D.R.Wiseman, A.N.Andreyev, R.D.Page, M.B.Smith, I.G.Darby, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

In-beam gamma-ray spectroscopy of 190, 197Po

NUCLEAR REACTIONS 144Sm(49Ti, 3n), E=222 MeV; measured Eγ, Iγ, recoil decay tagging, γγ-, αγ-coin. 190,197Po deduced levels, J, π, bands. JUROGAM array used with RITU, GREAT spectrometer.

RADIOACTIVITY 190,197Po(α); measured Eα.

doi: 10.1140/epja/i2007-10507-2
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2006CH52      Eur.Phys.J. A 30, 397 (2006)

A.Chatillon, Ch.Theisen, P.T.Greenlees, G.Auger, J.E.Bastin, E.Bouchez, B.Bouriquet, J.M.Casandjian, R.Cee, E.Clement, R.Dayras, G.de France, R.de Tourreil, S.Eeckhaudt, A.Gorgen, T.Grahn, S.Grevy, K.Hauschild, R.-D.Herzberg, P.J.C.Ikin, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kettunen, A.Korichi, W.Korten, Y.Le Coz, M.Leino, A.Lopez-Martens, S.M.Lukyanov, Yu.E.Penionzhkevich, J.Perkowski, A.Pritchard, P.Rahkila, M.Rejmund, J.Saren, C.Scholey, S.Siem, M.G.Saint-Laurent, C.Simenel, Yu.G.Sobolev, Ch.Stodel, J.Uusitalo, A.Villari, M.Bender, P.Bonche, P.-H.Heenen

Spectroscopy and single-particle structure of the odd-Z heavy elements 255Lr, 251Md and 247Es

RADIOACTIVITY 255Lr, 251Md(α) [from 209Bi(48Ca, 2n) and subsequent decay]; measured Eα, Eγ, E(ce), αγ-, α(ce)-coin, Qα, T1/2. 255Lr, 251Md, 247Es deduced levels, J, π, configurations.

doi: 10.1140/epja/i2006-10134-5
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2006GR16      Phys.Rev.Lett. 97, 062501 (2006)

T.Grahn, A.Dewald, O.Moller, R.Julin, C.W.Beausang, S.Christen, I.G.Darby, S.Eeckhaudt, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, B.Melon, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo

Collectivity and Configuration Mixing in 186, 188Pb and 194Po

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=357 MeV; 108Pd(83Kr, 3n), E=340 MeV; 114Cd(83Kr, 3n), E=375 MeV; measured Doppler-shifted Eγ, Iγ, γγ-, (recoil)γ-coin. 186,188Pb, 194Po levels deduced T1/2, B(E2), transition quadrupole moments. configuration-mixing features. Jurogam array, recoil decay tagging, recoil-distance Doppler-shift technique.

doi: 10.1103/PhysRevLett.97.062501
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2006HE19      Nature(London) 442, 896 (2006)

R.D.Herzberg, P.T.Greenlees, P.A.Butler, G.D.Jones, M.Venhart, I.G.Darby, S.Eeckhaudt, K.Eskola, T.Grahn, C.Gray-Jones, F.P.Hessberger, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, W.Korten, M.Leino, A.-P.Leppanen, S.Moon, M.Nyman, R.D.Page, J.Pakarinen, A.Pritchard, P.Rahkila, J.Saren, C.Scholey, A.Steer, Y.Sun, Ch.Theisen, J.Uusitalo

Nuclear isomers in superheavy elements as stepping stones towards the island of stability

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=219 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), X-ray spectra. 254No deduced levels, J, π, isomeric states T1/2, configurations. Gas-filled separator, recoil-decay tagging.

doi: 10.1038/nature05069
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2006HE25      Phys.Scr. T125, 73 (2006)

R.D.Herzberg, P.T.Greenlees, P.A.Butler, G.D.Jones, I.G.Darby, S.Eeckhaudt, T.Grahn, C.Gray-Jones, F.P.Hessberger, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, S.Moon, M.Nyman, R.D.Page, J.Pakarinen, A.Pritchard, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, A.Steer, J.Uusitalo, M.Venhart

Isomer spectroscopy in 254No

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=219 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), X-ray spectra, (recoil)γ-coin. 254No deduced isomeric states energies, J, π, T1/2. Recoil-decay tagging.

doi: 10.1088/0031-8949/2006/T125/016
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2006JO04      Phys.Rev. C 74, 014302 (2006)

D.T.Joss, J.Simpson, D.E.Appelbe, C.J.Barton, D.D.Warner, K.Lagergren, B.Cederwall, B.Hadinia, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, J.Perkowski, P.Rahkila, C.Scholey, J.Uusitalo, K.Van de Vel, R.D.Page, E.S.Paul, D.R.Wiseman, M.A.Riley

Yrast states and band crossings in the neutron-deficient platinum isotopes 169-173Pt

NUCLEAR REACTIONS 112Sn(60Ni, 2n), (60Ni, 3n), E=266 MeV; Sn(60Ni, xn)171Pt/172Pt/173Pt, E=266 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 170,172,173Pt deduced levels, J, π, configurations. 169,171,173Pt deduced transitions. Jurogam array, recoil-decay tagging.

doi: 10.1103/PhysRevC.74.014302
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2006JO10      Phys.Lett. B 641, 34 (2006)

D.T.Joss, I.G.Darby, R.D.Page, J.Uusitalo, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, A.Steer, A.J.Cannon, P.D.Stevenson, J.S.Al-Khalili, S.Erturk, M.Venhart, B.Gall, B.Hadinia, J.Simpson

Probing the limit of nuclear existence: Proton emission from 159Re

NUCLEAR REACTIONS 106Cd(58Ni, 4np), E=300 MeV; measured Eα, Iα, Ep, Ip, (recoil)α-coin following residual nucleus decay. Recoil-decay correlation technique.

RADIOACTIVITY 159Re(p) [from 106Cd(58Ni, 4np)]; measured Ep, T1/2; deduced ground-state configuration.

doi: 10.1016/j.physletb.2006.08.014
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2006LA16      Phys.Rev. C 74, 024316 (2006)

K.Lagergren, D.T.Joss, R.Wyss, B.Cederwall, C.J.Barton, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, P.M.Jones, R.Julin, S.Juutinen, D.Karlgren, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, C.Scholey, J.Simpson, J.Uusitalo, D.R.Wiseman

High-spin states in the proton-unbound nucleus 161Re

NUCLEAR REACTIONS 106Cd(58Ni, 2np), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 161Re deduced high-spin levels, J, π, configurations. Jurogam array, mass separator, recoil-decay tagging, total Routhian surface calculations.

doi: 10.1103/PhysRevC.74.024316
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2006LE29      Eur.Phys.J. A 28, 301 (2006)

A.-P.Leppanen, J.Uusitalo, P.T.Greenlees, R.-D.Herzberg, N.Amzal, F.Becker, P.A.Butler, A.J.C.Chewter, J.F.C.Cocks, O.Dorvaux, S.Eeckhaudt, K.Eskola, J.Gerl, T.Grahn, N.J.Hammond, K.Hauschild, K.Helariutta, F.P.Hessberger, M.Houry, G.D.Jones, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, H.Kettunen, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.Le Coz, M.Leino, C.J.Lister, R.Lucas, M.Muikku, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, P.Rahkila, P.Reiter, J.Saren, Ch.Schlegel, C.Scholey, O.Stezowski, Ch.Theisen, W.H.Trzaska, H.J.Wollersheim

Recoil-fission tagging of the transfermium nucleus 252No

NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=216 MeV; measured Eγ, Iγ, (recoil)γ-coin, (fission)γ-coin, Eα, Iα, (recoil)α-coin. 252No deduced fission and α branching ratios.Jurosphere II array, recoil-decay and recoil-fission tagging.

RADIOACTIVITY 252No(α), (SF) [from 206Pb(48Ca, 2n)]; measured T1/2.

doi: 10.1140/epja/i2006-10056-2
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2006ST14      Nucl.Instrum.Methods Phys.Res. A565, 630 (2006)

A.N.Steer, D.G.Jenkins, R.Glover, B.S.Nara Singh, N.S.Pattabiraman, R.Wadsworth, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.A.Butler, I.G.Darby, R.-D.Herzberg, D.T.Joss, R.D.Page, J.Thomson, R.Lemmon, J.Simpson, B.Blank

Recoil-beta tagging: A novel technique for studying proton-drip-line nuclei

NUCLEAR REACTIONS 40Ca(36Ar, np), E=103 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 74Rb deduced transitions. Recoil-beta tagging, mass separator.

RADIOACTIVITY 74Rb(β+) [from 40Ca(36Ar, np)]; measured Eβ.

doi: 10.1016/j.nima.2006.06.034
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2005EE01      Eur.Phys.J. A 25, Supplement 1, 605 (2005)

S.Eeckhaudt, N.Amzal, J.E.Bastin, E.Bouchez, P.A.Butler, A.Chatillon, K.Eskola, J.Gerl, T.Grahn, A.Gorgen, P.T.Greenlees, R.-D.Herzberg, F.P.Hessberger, A.Hurstel, P.J.C.Ikin, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kettunen, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, J.Perkowski, A.Pritchard, P.Reiter, P.Rahkila, C.Scholey, Ch.Theisen, J.Uusitalo, K.Van de Vel, J.Wilson, H.J.Wollersheim

In-beam gamma-ray spectroscopy of 254No

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E not given; measured Eγ, Iγ, (recoil)γ-coin. 254No deduced rotational band levels, J, π. Jurogam array, recoil-decay tagging.

doi: 10.1140/epjad/i2005-06-015-3
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2005EE02      Eur.Phys.J. A 26, 227 (2005)

S.Eeckhaudt, P.T.Greenlees, N.Amzal, J.E.Bastin, E.Bouchez, P.A.Butler, A.Chatillon, K.Eskola, J.Gerl, T.Grahn, A.Gorgen, R.-D.Herzberg, F.P.Hessberger, A.Hurstel, P.J.C.Ikin, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kettunen, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.Le Coz, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, J.Perkowski, A.Pritchard, P.Reiter, P.Rahkila, C.Scholey, Ch.Theisen, J.Uusitalo, K.Van de Vel, J.Wilson

Evidence for non-yrast states in 254No

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=219, 221 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 254No deduced levels, J, π, rotational band, non-yrast state. Jurogam array, recoil-decay tagging.

doi: 10.1140/epja/i2005-10163-6
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2005GR35      Eur.Phys.J. A 25, Supplement 1, 441 (2005)

T.Grahn, A.Dewald, O.Moller, C.W.Beausang, S.Eeckhaudt, P.T.Greenlees, J.Jolie, P.Jones, R.Julin, S.Juutinen, H.Kettunen, T.Kroll, R.Krucken, M.Leino, A.-P.Leppanen, P.Maierbeck, D.A.Meyer, P.Nieminen, M.Nyman, J.Pakarinen, P.Petkov, P.Rahkila, B.Saha, C.Scholey, J.Uusitalo

RDDS lifetime measurement with JUROGAM + RITU

NUCLEAR REACTIONS 108Pd(83Kr, 3n), E=340 MeV; measured Doppler-shifted Eγ, Iγ, (recoil)γ-coin. 188Pb levels deduced T1/2, B(E2), deformation. Jurogam array, mass separator, recoil-distance technique.

doi: 10.1140/epjad/i2005-06-024-2
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2005GR36      Eur.Phys.J. A 25, Supplement 1, 599 (2005)

P.T.Greenlees, N.Amzal, J.E.Bastin, E.Bouchez, P.A.Butler, A.Chatillon, O.Dorvaux, S.Eeckhaudt, K.Eskola, B.Gall, J.Gerl, T.Grahn, A.Gorgen, N.J.Hammond, K.Hauschild, R.-D.Herzberg, F.-P.Hessberger, R.D.Humphreys, A.Hurstel, D.G.Jenkins, G.D.Jones, P.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, F.Khalfallah, T.L.Khoo, W.Korten, P.Kuusiniemi, Y.Le Coz, M.Leino, A.-P.Leppanen, M.Muikku, P.Nieminen, J.Pakarinen, P.Rahkila, P.Reiter, M.Rousseau, C.Scholey, Ch.Theisen, J.Uusitalo, J.Wilson, H.-J.Wollersheim

In-beam and decay spectroscopy of transfermium elements

RADIOACTIVITY 255Lr, 251Md(α) [from 209Bi(48Ca, 2n) and subsequent decay]; measured Eα, αα-coin; deduced excited state decay.

NUCLEAR REACTIONS 205Tl(48Ca, 2n), E=218 MeV; measured Eγ, Iγ, (recoil)γ-coin. Jurogam array.

NUCLEAR STRUCTURE 248,250Fm, 251Md, 252,254No; analyzed rotational bands moments of inertia.

doi: 10.1140/epjad/i2005-06-026-0
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2005HA57      Phys.Rev. C 72, 041303 (2005)

B.Hadinia, B.Cederwall, J.Blomqvist, E.Ganioglu, P.T.Greenlees, K.Andgren, I.G.Darby, S.Eeckhaudt, E.Ideguchi, P.M.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, K.Lagergren, A.-P.Leppanen, M.Leino, M.Nyman, J.Pakarinen, E.S.Paul, M.Petri, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Uusitalo, R.Wadsworth, R.Wyss

First identification of excited states in 106Te and evidence for isoscalar-enhanced vibrational collectivity

NUCLEAR REACTIONS 54Fe(54Fe, 2n), E=182 MeV; measured Eγ, Iγ, (recoil)γ-coin; deduced σ. 106Te deduced levels, possible vibrational excitation. Recoil-decay tagging, level systematics in Te isotopes discussed.

RADIOACTIVITY 106Te(α) [from 54Fe(54Fe, 2n)]; measured Eα, T1/2.

doi: 10.1103/PhysRevC.72.041303
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2005JO17      J.Phys.(London) G31, S1593 (2005)

D.T.Joss, N.Amzal, D.E.Appelbe, T.Back, C.J.Barton, M.A.Bentley, B.Cederwall, J.F.C.Cocks, D.M.Cullen, S.Eeckhaudt, T.Grahn, P.T.Greenlees, B.Hadinia, K.Helariutta, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, S.L.King, P.Kuusiniemi, K.Lagergren, M.Leino, A.P.Leppanen, M.Muikku, P.Nieminen, R.D.Page, J.Pakarinen, E.S.Paul, P.Rahkila, C.Scholey, A.Savelius, J.Simpson, M.J.Taylor, J.Uusitalo, S.J.Williams, D.D.Warner, D.R.Wiseman, R.Wyss

Probing structural changes in the very neutron-deficient Os isotopes with recoil-decay tagging

NUCLEAR STRUCTURE 162,164,166,168,169,170Os; analyzed level energies; deduced shape transition features.

doi: 10.1088/0954-3899/31/10/039
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2005JO18      J.Phys.(London) G31, S1715 (2005)

D.T.Joss, J.Simpson, D.E.Appelbe, K.Lagergren, C.J.Barton, B.Cederwall, S.Eeckhaudt, T.Grahn, P.M.Jones, R.Julin, S.Juutinen, B.Hadinia, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, R.D.Page, J.Pakarinen, E.S.Paul, J.Perkowski, P.Rahkila, M.A.Riley, C.Scholey, J.Uusitalo, K.Van de Vel, D.D.Warner, D.R.Wiseman

Yrast structures in the light Pt isotopes 169-173Pt

NUCLEAR REACTIONS Sn(58Ni, xn)169Pt/170Pt/171Pt/172Pt/173Pt, E=266 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 169,170,171,172,173Pt deduced levels, J, π. Recoil-decay tagging.

doi: 10.1088/0954-3899/31/10/060
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2005LE42      Eur.Phys.J. A 25, Supplement 1, 183 (2005)

A.-P.Leppanen, J.Uusitalo, S.Eeckhaudt, T.Enqvist, K.Eskola, T.Grahn, F.P.Hessberger, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, P.Kuusiniemi, M.Leino, P.Nieminen, J.Pakarinen, J.Perkowski, P.Rahkila, C.Scholey, G.Sletten

Alpha-decay study of 218U; a search for the sub-shell closure at Z = 92

NUCLEAR REACTIONS 182W(40Ar, xn)217U/218U/218mU/219U, E=186 MeV; measured Eα, αα-, (recoil)α-coin; deduced production σ.

RADIOACTIVITY 217,218,218m,219U(α); measured Eα, T1/2. 217,218,219U deduced ground state J, π. 218U deduced isomer J, π. Implications for Z=92 shell closure discussed.

doi: 10.1140/epjad/i2005-06-116-y
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2005PA42      Phys.Rev. C 72, 011304 (2005)

J.Pakarinen, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, V.Hellemans, K.Heyde, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.D.Page, P.M.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth

Evidence for oblate structure in 186Pb

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, oblate deformation. Jurogam array, recoil-decay tagging, interacting boson model calculations.

doi: 10.1103/PhysRevC.72.011304
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2005PA69      Eur.Phys.J. A 25, Supplement 1, 449 (2005)

J.Pakarinen, I.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.Greenlees, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.Page, P.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth

Probing the three shapes in 186Pb using in-beam γ-ray spectroscopy

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin; deduced production σ. 186Pb deduced levels, J, π, deformation. Jurogam array, recoil-decay tagging.

doi: 10.1140/epjad/i2005-06-058-4
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2005RI17      J.Phys.(London) G31, S1949 (2005)

S.Rigby, D.M.Cullen, D.T.Scholes, C.Scholey, P.Rahkila, S.Eeckhaudt, T.Grahn, P.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.Leppanen, P.Nieminen, M.Nyman, J.Pakarinen, J.Uusitalo

Mass-140 isomers near the proton dripline

NUCLEAR REACTIONS 92Mo(54Fe, xnypzα), E=245 MeV; measured prompt and delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 142Tb, 163Dy deduced transitions. 143Dy deduced isomeric state T1/2. Jurogam array.

doi: 10.1088/0954-3899/31/10/108
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2005SC22      J.Phys.(London) G31, S1719 (2005)

C.Scholey, M.Sandzelius, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, J.Perkowski, J.Pakarinen, P.Rahkila, P.M.Rahkila, J.Uusitalo, K.Van de Vel, B.Cederwall, B.Hadinia, K.Lagergren, D.T.Joss, D.E.Appelbe, C.J.Barton, J.Simpson, D.D.Warner, I.G.Darby, R.D.Page, E.S.Paul, D.Wiseman

In-beam and decay spectroscopy of very neutron deficient iridium nuclei

NUCLEAR REACTIONS 92Mo(78Kr, 2np), E=360 MeV; 112Sn(58Ni, p), E=266 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 167,169Ir deduced transitions. Recoil-decay tagging, Jurogam array.

RADIOACTIVITY 167,167m,169,169mIr, 165,165mRe, 161Ta(α) [from 92Mo(78Kr, 2np) and 112Sn(58Ni, p) and subsequent decay]; measured Eα, Eγ, αγ-coin, T1/2; deduced spectroscopic factors. 167,167mIr(p) [from 112Sn(58Ni, 2np)]; measured Ep, T1/2; deduced spectroscopic factors. Jurogam array, mass separator.

doi: 10.1088/0954-3899/31/10/061
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2005UU03      Eur.Phys.J. A 25, Supplement 1, 179 (2005)

J.Uusitalo, S.Eeckhaudt, T.Enqvist, K.Eskola, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, H.Kettunen, P.Kuusiniemi, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, J.Pakarinen, P.Rahkila, C.Scholey

Alpha-decay studies using the JYFL gas-filled recoil separator RITU

RADIOACTIVITY 188,190,192,194,196,198,200,202,204Po, 191,193,195,197,199At, 196,198,200,202,204,206Rn, 199,201,203,205,207Fr(α); measured reduced widths using gas filled recoil separator; deduced hindrance factors, proton intruder states and deformation effects.

doi: 10.1140/epjad/i2005-06-089-9
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2004DE16      Phys.Rev. C 69, 044305 (2004)

H.De Witte, A.N.Andreyev, I.N.Borzov, E.Caurier, J.Cederkall, A.De Smet, S.Eeckhaudt, D.V.Fedorov, V.N.Fedosseev, S.Franchoo, M.Gorska, H.Grawe, G.Huber, M.Huyse, Z.Janas, U.Koster, W.Kurcewicz, J.Kurpeta, A.Plochocki, K.Van de Vel, P.Van Duppen, L.Weissman

First observation of the β decay of neutron-rich 218Bi by the pulsed-release technique and resonant laser ionization

RADIOACTIVITY 218Bi(β-) [from U(p, X)]; measured Eγ, Iγ, βγ-coin, T1/2. 218Po deduced levels, J, π. Comparison with model predictions. Pulsed-release technique, resonant laser ionization.

doi: 10.1103/PhysRevC.69.044305
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2004FR14      Nucl.Phys. A734, 449 (2004)

S.Franchoo, H.De Witte, A.N.Andreyev, J.Cederkall, S.Dean, A.De Smet, S.Eeckhaudt, D.V.Fedorov, V.N.Fedosseev, M.Gorska, G.Huber, M.Huyse, Z.Janas, U.Koster, W.Kurcewicz, J.Kurpeta, P.Mayet, A.Plochocki, K.Van de Vel, P.Van Duppen, L.Weissman, and the ISOLDE Collaboration

Beta-decay measurements of neutron-rich thallium, lead, and bismuth by means of resonant laser ionisation

RADIOACTIVITY 218Bi(β-); measured Eγ, Iγ, βγ-coin. Resonant laser ionization.

doi: 10.1016/j.nuclphysa.2004.01.083
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2004HA59      Phys.Rev. C 70, 064314 (2004)

B.Hadinia, B.Cederwall, K.Lagergren, J.Blomqvist, T.Back, S.Eeckhaudt, T.Grahn, P.Greenlees, A.Johnson, D.T.Joss, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, R.J.Liotta, P.Nieminen, M.Nyman, J.Pakarinen, E.S.Paul, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth, D.R.Wiseman

First identification of γ-ray transitions in 107Te

NUCLEAR REACTIONS 58Ni(52Cr, 3n), E=187 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 107Te deduced transitions, excited state. Jurogam array, recoil-decay tagging.

RADIOACTIVITY 107Te(α) [from 58Ni(52Cr, 3n)]; measured Eα, Iα.

doi: 10.1103/PhysRevC.70.064314
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2004JO12      Phys.Rev. C 70, 017302 (2004)

D.T.Joss, K.Lagergren, D.E.Appelbe, C.J.Barton, J.Simpson, B.Cederwall, B.Hadinia, R.Wyss, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, J.Pakarinen, P.Rahkila, C.Scholey, J.Uusitalo, R.D.Page, E.S.Paul, D.R.Wiseman

Recoil decay tagging of γ rays in the extremely neutron-deficient nucleus 162Os

NUCLEAR REACTIONS 106Cd(58Ni, 2n), E=270 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 162Os deduced levels, J, π. Jurogam array, mass separator, recoil-decay tagging, total Routhian surface calculation.

doi: 10.1103/PhysRevC.70.017302
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