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NSR database version of May 20, 2024.

Search: Author = A.Thornthwaite

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2022BA42      Phys.Rev. C 106, 064324 (2022)

M.Balogh, E.Jajcisinova, M.Venhart, A.Herzan, J.L.Wood, D.T.Joss, F.A.Ali, K.Auranen, S.Banovska, M.Birova, R.J.Carroll, D.M.Cox, J.G.Cubiss, T.Davis, M.C.Drummond, P.T.Greenlees, T.Grahn, A.Gredley, J.Henderson, U.Jakobsson, R.Julin, S.Juutinen, G.Kantay, J.Konki, P.Konopka, M.Leino, V.Matousek, A.K.Mistry, C.G.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, M.Sedlak, D.Seweryniak, C.Scholey, J.Sorri, A.Spacek, S.Stolze, M.Taylor, A.Thornthwaite, J.Uusitalo, M.Veselsky, S.Vielhauer, F.P.Wearing

New collective structures in 179Au and their implications for the triaxial deformation of the 178Pt core

NUCLEAR STRUCTURE 100Ru(82Kr, 2np)179Au, E=352 MeV; measured reaction products, Iγ, Eγ, γγ-coin, γγγ-coin, particleγ-coin. 179Au; deduced levels, J, π, δ, high-spin states, bands structure, rotational bands, configurations, T1/2 of newly discovered 1743-keV isomeric state; calculated levels, J, π, deformation parameters. Particle-plus-triaxial-rotor model (PTRM) calculations. Suggested strong triaxial deformation of proton-intruder states. RITU gas-filled separator coupled to JUROGAM-II array composed of 10 Eurogam Phase I type coaxial and 24 Euroball clover Ge detectors arranged into three rings and equipped with active BGO Compton-suppression shields. Beam from K130 cyclotron at Accelerator Laboratory of the University of Jyvaskyla.

doi: 10.1103/PhysRevC.106.064324
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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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2020CA01      Phys.Rev. C 101, 014313 (2020)

L.Capponi, J.F.Smith, P.Ruotsalainen, C.Scholey, P.Rahkila, L.Bianco, A.J.Boston, H.C.Boston, D.M.Cullen, X.Derkx, M.C.Drummond, T.Grahn, P.T.Greenlees, L.Grocutt, B.Hadinia, U.Jakobsson, D.T.Joss, R.Julin, S.Juutinen, M.Labiche, M.Leino, K.G.Leach, C.McPeake, K.F.Mulholland, P.Nieminen, D.O'Donnell, E.S.Paul, P.Peura, M.Sandzelius, J.Saren, B.Saygi, J.Sorri, S.Stolze, A.Thornthwaite, M.J.Taylor, J.Uusitalo

Delayed or absent π(h11/2)2 alignment in 111Xe

NUCLEAR REACTIONS 58Ni(58Ni, nα)111Xe, E=210 MeV; measured Eα, Eγ, Iγ, (evaporation residue)γ-coin, recoil-tagged γγ-coin, αα-correlations using the RITU separator, GREAT spectrometer, planar and Clover HPGe detectors at the K130 cyclotron of the University of Jyvaskyla. 111Xe; deduced levels, J, π, h11/2 band and its alignment, deformation parameters from total Routhian surface (TRS) calculations, configuration. Comparison with shell-model calculations. Systematics of h11/2 bands in 111,113,115,117,119,121Xe.

RADIOACTIVITY 111Xe(α)[from 58Ni(58Ni, nα), E=210 MeV]; 107Te(α)[from 111Xe α decay]; measured Eα, Iα, αα correlations using recoil-decay tagging method.

doi: 10.1103/PhysRevC.101.014313
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2020OD01      J.Phys.(London) G47, 095103 (2020)

D.O'Donnell, R.D.Page, T.Grahn, F.A.Ali, K.Auranen, L .Capponi, R.J.Carroll, M.M.R.Chishti, M.C.Drummond, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, D.T.Joss, R.Julin, S.Juutinen, J.Konki, M.Labiche, M.Leino, P.J.R.Mason, C.G.McPeake, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.F.Smith, M.Smolen, J.Sorri, S.Stolze, C.M.Sullivan, A.Thornthwaite, J.Uusitalo, A.Kumar, P.C.Srivastava

High-spin states of 218Th

NUCLEAR REACTIONS 174Yb(48Ca, 4n), E=207 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies and intensities, angular anisotropy ratios, J, π, level scheme, high-spin states. Comparison with theoretical calculations.

doi: 10.1088/1361-6471/aba16c
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2020VE03      Phys.Lett. B 806, 135488 (2020)

M.Venhart, M.Balogh, A.Herzan, J.L.Wood, F.A.Ali, D.T.Joss, A.N.Andreyev, K.Auranen, R.J.Carroll, M.C.Drummond, J.L.Easton, P.T.Greenlees, T.Grahn, A.Gredley, J.Henderson, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, E.A.Lawrie, M.Leino, V.Matousek, C.G.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, M.Sedlak, C.Scholey, J.Sorri, S.Stolze, A.Thornthwaite, R.Urban, J.Uusitalo, M.Veselsky, F.P.Wearing

Population of a low-spin positive-parity band from high-spin intruder states in 177Au: The two-state mixing effect

NUCLEAR REACTIONS 92Mo(88Sr, X)177Au, E=399 MeV; 100Ru(82Kr, X)179Au, E=352 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, proton-intruder configuration, partial level scheme, J, π.

doi: 10.1016/j.physletb.2020.135488
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2019PA27      Phys.Rev. C 99, 054307 (2019)

E.Parr, R.D.Page, D.T.Joss, F.A.Ali, K.Auranen, L.Capponi, T.Grahn, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Labiche, M.Leino, P.J.R.Mason, C.McPeake, D.O'Donnell, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.P.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Simpson, J.F.Smith, M.Smolen, J.Sorri, S.Stolze, A.Thornthwaite, J.Uusitalo

Fine structure in the α decay of 156Lu and 158Ta

RADIOACTIVITY 156mLu, 158mTa(α)[from 106Cd(58Ni, X), E=318 MeV using RITU separator and GREAT spectrometer at the accelerator laboratory of the University of Jyvaskyla]; measured Eα, Iα, Eγ, Iγ, αγ-coin using HPGe and planar Ge strip detectors for γ detection, and double-sided silicon strip detectors and silicon PIN diode detectors for α detection; deduced fine structure in the α decay of high-spin isomers in 156Lu and 158Ta. 152Tm, 154Lu; deduced levels, J, π, α-branching ratios, α-reduced decay widths, and α-hindrance factors, configurations. 152mHo, 154mTm, 156mLu, 158mTa(α); systematics of α-decay hindrance factors, and excitation energies, Jπ values and configurations in daughter nuclides of 148Tb, 150Ho, 152Tm, 154Lu. 152Er, 153Tm, 154,155Yb, 155Lu, 157,158Hf, 157Ta, 159,160W(α); measured (ER)α correlated spectra.

doi: 10.1103/PhysRevC.99.054307
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2018LE10      Phys.Rev. C 98, 024302 (2018)

M.C.Lewis, E.Parr, R.D.Page, C.McPeake, D.T.Joss, F.A.Ali, K.Auranen, A.D.Briscoe, L.Capponi, T.Grahn, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Labiche, M.Leino, P.J.R.Mason, M.Nyman, D.O'Donnell, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.P.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.F.Smith, M.Smolen, J.Sorri, S.Stolze, A.Thornthwaite, J.Uusitalo

Decay of a 19- isomeric state in 156Lu

NUCLEAR REACTIONS 106Cd(58Ni, n3pα), E=318 MeV; measured Eγ, Iγ γγ-coin, delayed γ rays, and (implants)γα correlations, half-life of a 19- isomer by γγ(t) using RITU separator and GREAT spectrometer at Jyvaskyla. 156Lu; deduced levels, J, π, multipolarity, configurations, B(M2), and B(E3). Systematics of 9+, 10+, and 19- states in even-A N=85 isotones 150Tb, 152Ho, 154Tm, 156Lu, 158Ta, 160Re.

doi: 10.1103/PhysRevC.98.024302
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2018PA37      Phys.Rev. C 98, 024321 (2018)

E.Parr, R.D.Page, D.T.Joss, F.A.Ali, K.Auranen, L.Capponi, T.Grahn, P.T.Greenlees, J.Henderson, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Labiche, M.Leino, P.J.R.Mason, C.McPeake, D.O'Donnell, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, J.P.Revill, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Simpson, J.F.Smith, M.Smolen, J.Sorri, S.Stolze, A.Thornthwaite, J.Uusitalo

Fine structure in the α decay of high-spin isomers in 155Lu and 156Hf

RADIOACTIVITY 155,155mLu, 156Hf(α)[from 106Cd(58Ni, X), E=318 MeV, followed by separation of fusion reaction products using RITU gas-filled recoil separator at JYFL-Jyvaskyla]; measured Eα, Iα, Eγ, Iγ, x-rays, αγ-coin using an array of HPGe detectors for γ and x-ray detection, double-sided silicon-strip detectors (DSSDs) for particle detection using GREAT spectrometer at Jyvaskyla. 151Tm, 152Yb; deduced levels, J, π, α branching ratios, reduced decay widths, hindrance factors and Q(α) values, configurations.

doi: 10.1103/PhysRevC.98.024321
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2017DO06      Phys.Rev. C 95, 044321 (2017)

M.Doncel, B.Cederwall, C.Qi, H.Li, U.Jakobsson, K.Auranen, S.Bonig, M.C.Drummond, T.Grahn, P.T.Greenlees, A.Herzan, D.T.Joss, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, C.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo

Lifetime measurements of excited states in 162W and 164W and the evolution of collectivity in rare-earth nuclei

NUCLEAR REACTIONS 92Mo(78Kr, 2α), (78Kr, 2pα), E=380 MeV; measured Eγ, half-lives of the first 2+ states by recoil-distance Doppler-shift (RDDS) method using DPUNS differential plunger device and RITU separator at Jyvaskyla K-130 cyclotron facility. 162,164W; deduced levels, B(E2) for the first 2+ states. Comparison with systematics of B(E2) values for neighboring nuclei, and with theoretical calculations.

doi: 10.1103/PhysRevC.95.044321
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2017SA47      Phys.Rev. C 96, 021301 (2017)

B.Saygi, D.T.Joss, R.D.Page, T.Grahn, J.Simpson, D.O'Donnell, G.Alharshan, K.Auranen, T.Back, S.Boening, T.Braunroth, R.J.Carroll, B.Cederwall, D.M.Cullen, A.Dewald, M.Doncel, L.Donosa, M.C.Drummond, F.Ertugral, S.Erturk, C.Fransen, P.T.Greenlees, M.Hackstein, K.Hauschild, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Labiche, A.Lopez-Martens, C.G.McPeake, F.Moradi, O.Moller, M.Mustafa, P.Nieminen, J.Pakarinen, J.Partanen, P.Peura, M.Procter, P.Rahkila, W.Rother, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo

Reduced transition probabilities along the yrast line in 166W

NUCLEAR REACTIONS 92Mo(78Kr, 4p), E=380 MeV; measured Eγ, Iγ, γγ-coin correlated with implanted recoils, level half-lives by recoil-distance and differential decay curve method (DDCM) using RITU gas-filled separator, GREAT focal-plane spectrometer, DPUNS plunger system and JURGAM-II array at Jyvaskyla accelerator facility. 166W; deduced levels, J, π, yrast band, B(E2), B(E2) ratios and compared with theoretical predictions for an axially deformed rotor. Systematics of energies and B(E2) values for the first 2+, 4+ and 6+ states in A=160-190 even-A W isotopes.

doi: 10.1103/PhysRevC.96.021301
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2017VE03      Phys.Rev. C 95, 061302 (2017)

M.Venhart, F.A.Ali, W.Ryssens, J.L.Wood, D.T.Joss, A.N.Andreyev, K.Auranen, B.Bally, M.Balogh, M.Bender, R.J.Carroll, J.L.Easton, P.T.Greenlees, T.Grahn, P.-H.Heenen, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, D.Klc, J.Konki, E.Lawrie, M.Leino, V.Matousek, C.G.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, M.Sedlak, C.Scholey, J.Sorri, S.Stolze, A.Thornthwaite, J.Uusitalo, M.Veselsky

De-excitation of the strongly coupled band in 177Au and implications for core intruder configurations in the light Hg isotopes

NUCLEAR REACTIONS 92Mo(88Sr, 2np), E=399 MeV; measured reaction products, Eγ, Iγ, (ion implants)γ-coin, γγ-coin, γγ(θ)(DCO), α-decay tagging method using Jurogam-II array, GREAT spectrometer, and RITU gas-filled separator at the K=130 MeV cyclotron facility of the University of Jyvaskyla. 177Au; deduced high-spin levels, conversion coefficients, multipolarity, J, π, bands, configuration. Comparisons with cranked Hartree-Fock-Bogoliubov (HFB) calculations based on Skyrme energy functionals, and with the structures of 187Au and 178Hg nuclei.

doi: 10.1103/PhysRevC.95.061302
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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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2016CA33      Phys.Rev. C 94, 024314 (2016)

L.Capponi, J.F.Smith, P.Ruotsalainen, C.Scholey, P.Rahkila, K.Auranen, L.Bianco, A.J.Boston, H.C.Boston, D.M.Cullen, X.Derkx, M.C.Drummond, T.Grahn, P.T.Greenlees, L.Grocutt, B.Hadinia, U.Jakobsson, D.T.Joss, R.Julin, S.Juutinen, M.Labiche, M.Leino, K.G.Leach, C.McPeake, K.F.Mulholland, P.Nieminen, D.O'Donnell, E.S.Paul, P.Peura, M.Sandzelius, J.Saren, B.Saygi, J.Sorri, S.Stolze, A.Thornthwaite, M.J.Taylor, J.Uusitalo

Direct observation of the 114Ba → 110Xe → 106Te → 102Sn triple α-decay chain using position and time correlations

RADIOACTIVITY 114Ba, 110Xe, 106Te(α)[114Ba from 58Ni(58Ni, 2n), E=210 MeV using RITU recoil separator, 110Xe and 106Te from descendents of 114Ba decay]; measured Eα, Iα, three successive α-decay correlated events, half-lives of decays of 114Ba, 110Xe and 106Te, reaction cross section at K130 cyclotron facility of University of Jyvaskyla; deduced Q(α), Q(12C), α-decay mode branching ratios, reduced α-decay widths.

doi: 10.1103/PhysRevC.94.024314
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2016LI13      Phys.Rev. C 93, 034309 (2016)

H.J.Li, B.Cederwall, M.Doncel, J.Peng, Q.B.Chen, S.Q.Zhang, P.W.Zhao, J.Meng, T.Back, U.Jakobsson, K.Auranen, S.Bonig, M.Drummond, T.Grahn, P.Greenlees, A.Herzan, D.T.Joss, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, C.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo, Z.G.Xiao

Lifetime measurements in 166Re: Collective versus magnetic rotation

NUCLEAR REACTIONS 92Mo(78Kr, n3p), E=380 MeV; measured Eγ, Iγ, recoil-gated γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) method and differential decay-curve analysis using JUROGAM-II array for γ detection, RITU separator, and GREAT spectrometer at Jyvaskyla accelerator facility. 166Re; deduced high-spin levels, J, π, B(M1), B(E2), B(E1), B(M1)/B(E2) configurations, alignments; discussed collective versus magnetic rotation; calculated total Routhian surface plot. Tilted-axis cranking calculations based on a relativistic mean-field approach (TAC-RMF).

doi: 10.1103/PhysRevC.93.034309
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2015LI24      Phys.Rev. C 92, 014326 (2015)

H.J.Li, B.Cederwall, T.Back, C.Qi, M.Doncel, U.Jakobsson, K.Auranen, S.Bonig, M.C.Drummond, T.Grahn, P.Greenlees, A.Herzan, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, C.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo, Z.G.Xiao

Recoil-decay tagging spectroscopy of 16274W88

NUCLEAR REACTIONS 92Mo(78Kr, 2α), E=380 MeV; measured Eγ, Iγ, Eα, Iα, αγ-, γγ-coin, (recoil)αα-correlations, level half-lives using JUROGAM-II array, RITU separator and GREAT spectrometer at K-130 cyclotron facility of University of Jyvaskyla. Recoil-decay tagging method. 162W; deduced high-spin levels, J, π, multipolarity, yrast band, configuration, Routhians, alignments; calculated total Routhian Surfaces (TRS) using cranked shell model, α-formation probability. Systematics of experimental Routhians and aligned angular momenta in 162,164W and 160Hf. Systematics of energies of yrast bands in 158,160,162,164,166,168W.

RADIOACTIVITY 162W, 166Os(α); measured Eα, Iα, half-lives of 166Os and 162W ground states.

doi: 10.1103/PhysRevC.92.014326
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2015LI26      Phys.Rev. C 92, 014310 (2015)

H.J.Li, M.Doncel, M.Patial, B.Cederwall, T.Back, U.Jakobsson, K.Auranen, S.Bonig, M.Drummond, T.Grahn, P.Greenlees, A.Herzan, D.T.Joss, R.Julin, S.Juutinen, J.Konki, T.Kroll, M.Leino, C.McPeake, D.O'Donnell, R.D.Page, J.Pakarinen, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Sorri, S.Stolze, M.J.Taylor, A.Thornthwaite, J.Uusitalo, Z.G.Xiao

First identification of rotational band structures in 75166Re91

NUCLEAR REACTIONS 92Mo(78Kr, n3p), E=380 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), reaction products using JUROGAM II γ-ray spectrometer, RITU separator, GREAT spectrometer and Si detectors at Jyvaskyla accelerator facility. Recoil-decay tagging technique. 166Re; deduced high-spin levels, J, π, rotational bands, multipolarity, Nilsson configuration, B(M1)/B(E2), alignment plots, anomalous signature inversion, energy staggering. Calculated total Routhian surfaces (TRS). Cranked shell model and particle-rotor mode calculations.

doi: 10.1103/PhysRevC.92.014310
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2014DR02      Phys.Rev. C 89, 064309 (2014)

M.C.Drummond, D.O'Donnell, R.D.Page, D.T.Joss, L.Capponi, D.M.Cox, I.G.Darby, L.Donosa, F.Filmer, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.Lopez-Martens, A.K.Mistry, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, C.Scholey, J.Simpson, J.Sorri, A.Thornthwaite, J.Uusitalo

α decay of the πh11/2 isomer in 164Ir

RADIOACTIVITY 164,165Ir(p), (α)[from 92Mo(78Kr, xnp), E=428, 435, 450 MeV]; 163Os(α)[from 164Ir p decay]; 160Re(p)[from 164Ir α decay]; measured E(p), I(p), E(α), I(α), production σ for 164Ir, recoil-pα-, pα-, αα-correlated events, half-lives, α-decay branching ratio of 164Ir decay using RITU separator and GREAT spectrometer at JYFL accelerator facility; deduced α- and proton-decay reduced widths. 160Re; deduced level energy of the isomer. 162,163Ir(α); estimated half-lives and α-particle branching ratios. 155Lu, 156Hf, 158W, 160,161W, 161,162,163Re, 164Os(α); observed α lines in particle spectrum. Comparison with previous experimental results. Systematics of α-decay widths and Q values for πh11/2 states in Z=73-78, N=84-92 nuclei.

doi: 10.1103/PhysRevC.89.064309
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2013KA16      Phys.Rev. C 87, 044335 (2013)

Z.Kalaninova, A.N.Andreyev, S.Antalic, F.P.Hessberger, D.Ackermann, B.Andel, M.C.Drummond, S.Hofmann, M.Huyse, B.Kindler, J.F.W.Lane, V.Liberati, B.Lommel, R.D.Page, E.Rapisarda, K.Sandhu, S.Saro, A.Thornthwaite, P.Van Duppen

α decay of the very neutron-deficient isotopes 197-199Fr

NUCLEAR REACTIONS 141Pr(60Ni, xn)197Fr/198Fr/199Fr, E=262-300 MeV; measured Eα, Eγ, (ER)α-, αα-correlations, time-of-flight, production σ using SHIP at GSI facility.

RADIOACTIVITY 197,198,199Fr(α)[from 141Pr(60Ni, X), E=262-300 MeV]; measured Eγ, Iγ, Eα, (ER)α-, αα-, αγ-coin, T1/2 using SHIP at GSI facility. 193,194,195At, 189,190,191Bi(α)[from α decay of 197,198,199Fr parents]; measured Eα, half-lives, αα correlations. 197,198,199Fr, 193,194,195At, 189,190Bi, 185Tl; deduced levels, J, π, isomers, configurations, reduced α-decay width. 197,198,199Rn, 197At, 193,194,195,196Po(α); observed α peaks in spectra. Systematics of α-decay reduced widths for 1/2+ to 1/2+, 7/2- to 7/2-, and 9/2- to 9/2- α transitions in N=105-135, odd-A At, Fe and even-A Rn isotopes.

doi: 10.1103/PhysRevC.87.044335
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2012OD01      Phys.Rev. C 85, 054315 (2012)

D.O'Donnell, R.D.Page, C.Scholey, L.Bianco, L.Capponi, R.J.Carroll, I.G.Darby, L.Donosa, M.Drummond, F.Ertugral, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.Lopez-Martens, K.Mulholland, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, J.Simpson, J.Sorri, A.Thornthwaite, J.Uusitalo

First observation of excited states of 173Hg

NUCLEAR REACTIONS 92Mo(84Sr, 3n), E=392, 400 MeV; measured particle spectra, Eγ, Iγ, Eα, (recoil)γ-coin, Recoil-decay tagging technique, EUROGAM Phase-I Ge detectors and GREAT spectrometer at Jyvaskyla facility. 173Hg; deduced levels, J, π. Systematics of excitation energies in A=172-200 odd-A and even-A Hg isotopes.

RADIOACTIVITY 173Hg(α)[from 92Mo(84Sr, 3n), E=392, 400 MeV]; measured Eα, half-life; deduced branching ratio, reduced width. Comparison with previous studies. 170,171,172,173,174Pt, 172,173Au, 174Hg(α); measured α spectra.

doi: 10.1103/PhysRevC.85.054315
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2012TH13      Phys.Rev. C 86, 064315 (2012)

A.Thornthwaite, D.O'Donnell, R.D.Page, D.T.Joss, C.Scholey, L.Bianco, L.Capponi, R.J.Carroll, I.G.Darby, L.Donosa, M.C.Drummond, F.Ertugral, T.Grahn, P.T.Greenlees, K.Hauschild, A.Herzan, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, A.Lopez-Martens, K.Mullholland, P.Nieminen, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, B.Saygi, J.Simpson, J.Sorri, J.Uusitalo

Characterizing the atomic mass surface beyond the proton drip line via α-decay measurements of the πs1/2 ground state of 165Re and the πh11/2 isomer in 161Ta

RADIOACTIVITY 173Au, 169Ir, 165Re, 161Ta(α)[from 92Mo(84Sr, X), E=392 MeV]; measured Eα, Eγ, Iγ, (recoils)α-, γγ-coin, αγ-delayed coin, branching ratio, half-lives using RITU separator, EUROGAM Phase-1 type Ge detectors, GREAT spectrometer at Jyvaskyla; deduced h11/2 isomers, reduced widths, δ2, hindrance factors, Q(α).

NUCLEAR REACTIONS 92Mo(84Sr, X)173Au, E=392, 400 MeV; measured Eγ, Iγ, αγ-, γγ-coin; deduced prompt γ. No level scheme deduced for 173Au.

ATOMIC MASSES 149Ho, 153Tm, 157Lu, 161Ta, 165Re, 169Ir; deduced mass excesses and compared with AME-2012 evaluation.

doi: 10.1103/PhysRevC.86.064315
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