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NSR database version of May 24, 2024.

Search: Author = M.Nyman

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2024GK01      Phys.Rev. C 109, 034612 (2024)

G.Gkatis, M.Diakaki, G.Noguere, M.Nyman, A.Oprea, C.Paradela, E.Pirovano, A.J.M.Plompen

Cross section measurements of neutron elastic and inelastic scattering on 54Fe

doi: 10.1103/PhysRevC.109.034612
Citations: PlumX Metrics


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2022OL05      Phys.Rev. C 106, 024609 (2022)

A.Olacel, C.Borcea, M.Boromiza, S.Calinescu, C.Clisu, C.Costache, Ph.Dessagne, I.Dinescu, D.Filipescu, N.Florea, I.Harca, G.Henning, A.Ionescu, M.Kerveno, R.Lica, A.Matei, C.Mihai, R.Mihai, A.Mitu, A.Negret, C.Nita, M.Nyman, A.Oprea, C.Petrone, A.J.M.Plompen, C.Sotty, L.Stan, L.Stoica, G.Suliman, A.Turturica, S.Ujeniuc

Nucleon-induced inelastic cross sections on natNi

NUCLEAR REACTIONS 58,60,64Ni(n, n'γ), E=2-17 MeV; 58Ni(p, p'γ), E=4-17 MeV; measured Eγ, Iγ; deduced total σ(E) and exclusive σ(E) for population of particular levels, γ-production σ(E). Comparison to other experimental data and TALYS-1.9 calculations using semimicroscopical (JLM) nucleon OMP. Neutron-beam experiment: Gamma Array for Inelastic Neutron Scattering (GAINS) spectrometer setup at Geel Electron Linear Accelerator (GELINA) neutron source. Proton-beam experiment: two HPGe detectors at 9-MV Tandem facility of the Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH).

doi: 10.1103/PhysRevC.106.024609
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23773.


2021KE09      Phys.Rev. C 104, 044605 (2021)

M.Kerveno, M.Dupuis, A.Bacquias, F.Belloni, D.Bernard, C.Borcea, M.Boromiza, R.Capote, C.De Saint Jean, P.Dessagne, J.C.Drohe, G.Henning, S.Hilaire, T.Kawano, P.Leconte, N.Nankov, A.Negret, M.Nyman, A.Olacel, A.J.M.Plompen, P.Romain, C.Rouki, G.Rudolf, M.Stanoiu, R.Wynants

Measurement of 238U(n, n'γ) cross section data and their impact on reaction models

NUCLEAR REACTIONS 238U(n, n'γ), E<20 MeV from GELINA facility at EC-JRC Geel; measured Eγ, Iγ, γ(TOF)-plot, angle-integrated γ-production σ(E, θ) using time-of-flight (TOF) and prompt γ-ray spectroscopy methods using the GRAPhEME spectrometer at GELINA. 238U; deduced levels, γ transitions, Iγ values, multipolarities, σ for E2 transitions, discrete structure and interband transition; discussed new or revised γ ray energies and intensities for 218.1-, 270.1-, 680.11-, 931.1-, 950.12- and 997.58-keV γ rays, as compared to evaluated data in the ENSDF database and those in 2014Go06 (Phys. Atomic Nuclei 77, 131). Comparison with previous experimental and evaluated reaction cross section data, and with TALYS, EMPIRE and CoH theoretical calculations using nuclear reaction codes dealing with compound nucleus, and pre-equilibrium mechanisms. Relevance to microscopic improving the modeling of the (n, n') reaction.

doi: 10.1103/PhysRevC.104.044605
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22795. Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2020BO03      Phys.Rev. C 101, 024604 (2020)

M.Boromiza, C.Borcea, P.Dessagne, D.Ghita, T.Glodariu, G.Henning, M.Kerveno, N.Marginean, C.Mihai, R.Mihai, A.Negret, C.Nita, M.Nyman, A.Olacel, A.Oprea, A.J.M.Plompen, C.Sotty, G.Suliman, R.Suvaila, L.Stan, A.Turturica, G.Turturica

Nucleon inelastic scattering cross sections on 16O and 28Si

NUCLEAR REACTIONS 16O, 28Si(n, n'), E=6-18 MeV from GELINA facility at Geel; 16O, 28Si(p, p'), E=6-17 MeV from Tandem accelerator of IFIN-HH-Bucharest; measured Eγ, Iγ, angle-integrated and total σ(E) using the GAINS spectrometer at Geel, and HPGe detectors at Bucharest. 16O, 28Si; deduced levels, J, π, γ-production σ(E). Comparison with other experimental data, and with TALYS-1.9 theoretical calculations.

doi: 10.1103/PhysRevC.101.024604
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23456.


2020ER01      Eur.Phys.J. A 56, 65 (2020)

A.Ertoprak, B.Cederwall, C.Qi, O.Aktas, M.Doncel, B.Hadinia, R.Liotta, M.Sandzelius, C.Scholey, K.Andgren, T.Back, H.Badran, T.Braunroth, T.Calverley, D.M.Cox, D.M.Cullen, Y.D.Fang, E.Ganioglu, M.Giles, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, J.Hilton, D.Hodge, E.Ideguchi, U.Jakobsson, A.Johnson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Kumar Raju, M.Leino, H.Li, H.Liu, S.Matta, V.Modamio, B.S.Nara Singh, M.Niikura, M.Nyman, I.Ozgur, R.D.Page, J.Pakarinen, P.Papadakis, J.Partanen, E.S.Paul, C.M.Petrache, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, J.Sorri, S.Stolze, P.Subramaniam, M.J.Taylor, J.Uusitalo, J.J.Valiente-Dobon, R.Wyss

Evidence for octupole collectivity in 172Pt

NUCLEAR REACTIONS 96Ru(78Kr, 2pγ)172Pt, E=342, 348 MeV; 92Mo(83Kr, 3nγ)172Pt, E=383 MeV; Measured Eγ, Iγ, γγ-coin, γ(θ), γγ(linear polarization), recoils using RITU gas-filled separator, JUROGAM I and JUROGAM II arrays of HPGe detectors, and the GREAT spectrometer consisting of silicon strip detectors, multiwire proportional counter (MWPC), array of Si PIN-diode detectors, one planar and one clover HPGe detector at the K-130 cyclotron facility of the University of Jyvaskyla. 172Pt; deduced high-spin levels, Jπ, multipolarities, bands, configurations, evidence for octupole collectivity. Comparison with large-scale shell model (LSSM) and total Routhian surface (TRS) calculations.

doi: 10.1140/epja/s10050-020-00071-6
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Data from this article have been entered in the XUNDL database. For more information, click here.


2020HE17      Eur.Phys.J. A 56, 165 (2020)

A.Herzan, S.Juutinen, K.Auranen, T.Grahn, P.T.Greenlees, K.Hauschild, U.Jakobsson, R.Julin, S.Ketelhut, M.Leino, A.Lopez-Martens, T.Lonnroth, P.Nieminen, M.Nyman, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.M.K.Slotte, J.Sorri, S.Stolze, J.Uusitalo

Study of excited states and observation of collective level structures in the odd-odd nucleus 194Bi

NUCLEAR REACTIONS 159Tb(40Ar, 5n)194Bi, E=182, 185, 190 MeV; measured Eγ, Iγ, γγ-coin from α-decay of the 194Bi α-radioactive reaction products decay using the recoil gating technique; deduced rotational bands levels energy, Iγ, Jπ for initial and final states, multipolarity, angular distribution ratios, linear polarization asymmetry factors, 194Bi level scheme, excitation energy minus rigid-rotor reference term vs spin, aligned angular for the favoured and unfavoured signatures of positive and negative parity in several bds.

doi: 10.1140/epja/s10050-020-00167-z
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Data from this article have been entered in the XUNDL database. For more information, click here.


2019PI05      Phys.Rev. C 99, 024601 (2019)

E.Pirovano, R.Beyer, M.Dietz, A.R.Junghans, S.E.Muller, R.Nolte, M.Nyman, A.J.M.Plompen, M.Roder, T.Szucs, M.P.Takacs

Cross section and neutron angular distribution measurements of neutron scattering on natural iron

NUCLEAR REACTIONS Fe(n, n), (n, n'), E=2-6 MeV; measured E(n), I(n), time of flight, neutron angular distributions, differential σ(θ, E), and σ(E) using liquid organic scintillator array for neutron detection at GELINA and nELBE facilities. 56Fe(n, n'), E=2-6 MeV; measured differential σ(θ, E) for the first excited state of 56Fe. Comparison with previous experimental results, and ENDF/B-VIII evaluation; compiled a list of previous experiments for Fe(n, n), 56Fe(n, n'), E=2-6 MeV retrieved from the EXFOR database.

doi: 10.1103/PhysRevC.99.024601
Citations: PlumX Metrics

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23365.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2018MU02      Phys.Rev. C 97, 024336 (2018)

C.Muller-Gatermann, A.Dewald, C.Fransen, T.Braunroth, J.Jolie, J.Litzinger, J.M.Regis, F.von Spee, N.Warr, K.O.Zell, T.Grahn, P.T.Greenlees, K.Hauschild, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, J.Uusitalo, P.Petkov

Low-lying electromagnetic transition strengths in 180Pt

NUCLEAR REACTIONS 98Mo(86Kr, 4n), E=380 MeV from the K-130 cyclotron of University of Jyvaskyla; measured Eγ, Iγ, γγ-coin using JUROGAM II array, level half-lives by recoil-distance Doppler-shift method (RDDM) using DPUNS plunger, and differential decay-curve analysis. 168Yb(16O, 4n), E=88 MeV from FN tandem at University of Cologne; measured Eγ, Iγ, γγ(t), level half-lives by fast electronic timing technique using Horus cube spectrometer consisting of eight LaBr3(Ce) scintillators and eight HPGe detectors. 180Pt; deduced levels, J, π, B(E2). Comparison with predictions of interacting boson model (IBM-1) and general collective model (GCM) calculations.

doi: 10.1103/PhysRevC.97.024336
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Data from this article have been entered in the XUNDL database. For more information, click here.


2018OL02      Eur.Phys.J. A 54, 183 (2018)

A.Olacel, C.Borcea, M.Boromiza, Ph.Dessagne, G.Henning, M.Kerveno, L.Leal, A.Negret, M.Nyman, A.J.M.Plompen

Neutron inelastic scattering on 54Fe

doi: 10.1140/epja/i2018-12619-x
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23461. Data from this article have been entered in the XUNDL database. For more information, click here.


2017HE12      Phys.Rev. C 96, 014301 (2017)

A.Herzan, S.Juutinen, K.Auranen, T.Grahn, P.T.Greenlees, K.Hauschild, U.Jakobsson, R.Julin, S.Ketelhut, M.Leino, A.Lopez-Martens, T.Lonnroth, P.Nieminen, M.Nyman, J.Partanen, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.M.K.Slotte, J.Sorri, S.Stolze, J.Uusitalo

Detailed spectroscopy of 195Bi

NUCLEAR REACTIONS 159Tb(40Ar, 4n)195Bi, E=175 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ)(DCO), integrated polarizational-directional correlation from oriented nuclei (IPDCO), conversion coefficients from recoil-gated Ge and PIN diode spectra, half-lives of the isomers by (recoils)γ(t) using recoil-tagging techniques, RITU separator, JUROGAM II array, GREAT focal plane spectrometer at the K=130 cyclotron facility of the University of Jyvaskyla. 195Bi; deduced high-spin levels, J, π, multipolarities, B(E1), B(E2), B(M1)/B(E2), bands, superdeformed band, alignments, configurations, shape coexistence. Systematics of excited states in A=191-207, odd-A Bi isotopes. Systematics of B(E2) values for isomeric states in 193,195Bi, 192,194,196Pb, and 199,201,205At.

doi: 10.1103/PhysRevC.96.014301
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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


2017OL04      Phys.Rev. C 96, 014621 (2017)

A.Olacel, F.Belloni, C.Borcea, M.Boromiza, P.Dessagne, G.Henning, M.Kerveno, A.Negret, M.Nyman, E.Pirovano, A.J.M.Plompen

Neutron inelastic scattering measurements on the stable isotopes of titanium

NUCLEAR REACTIONS 46,47,48,49,50Ti(n, n'γ), E=0.373-18 MeV; measured Eγ, Iγ, γ-production σ(E) using natural Ti target, TOF technique and Gamma Array for Inelastic Neutron Scattering (GAINS) spectrometer using GELINA white neutron source at EC-JRC Geel; deduced level σ(E) and total inelastic σ(E). Comparison with previous experimental data, and data in ENDF/B-VII.1, JEFF-3.2 and CENDL-3.1 evaluated libraries, and with TALYS 1.8 calculations.

doi: 10.1103/PhysRevC.96.014621
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23346.


2017PI04      Phys.Rev. C 95, 024601 (2017)

E.Pirovano, R.Beyer, A.R.Junghans, N.Nankov, R.Nolte, M.Nyman, A.J.M.Plompen

Backward-forward reaction asymmetry of neutron elastic scattering on deuterium

NUCLEAR REACTIONS 2H, C(n, n), E=0.2-2 MeV; measured neutron spectra by time-of-flight method, σ(θ, E) at nELBE-Dresden neutron time-of-flight facility. CD2 target for 2H. MCNP simulations. Comparison with the evaluated nuclear data libraries CENDL-3.1, JEFF-3.2, JENDL-4.0 and ENDF/B-VII.1, with previous experimental data, and with theoretical calculations.

doi: 10.1103/PhysRevC.95.024601
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23335.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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Data from this article have been entered in the XUNDL database. For more information, click here.


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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2016GR15      Phys.Rev. C 94, 044327 (2016)

T.Grahn, S.Stolze, D.T.Joss, R.D.Page, B.Saygi, D.O'Donnell, M.Akmali, K.Andgren, L.Bianco, D.M.Cullen, A.Dewald, P.T.Greenlees, K.Heyde, H.Iwasaki, U.Jakobsson, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.Lumley, P.J.R.Mason, O.Moller, K.Nomura, M.Nyman, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.J.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, P.D.Stevenson, J.Uusitalo, H.V.Watkins, J.L.Wood

Excited states and reduced transition probabilities in 168Os

NUCLEAR REACTIONS 92Mo(78Kr, 2p), E=335, 345, 348 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin, level half-lives by recoil-distance method using a plunger device, RITU separator, GREAT spectrometer, JUROGAM array at Jyvaskyla accelerator facility. 168Os; deduced high-spin levels, J, π, bands, B(E2), B(E1), transition quadrupole and dipole moments. Comparisons with interacting boson model (IBM-2) calculations based on the SkM* energy-density functional. Systematics of ground bands, and excited positive-parity level energies up to 8+ in 168,170,172,174,176,178,180,182,184Os.

doi: 10.1103/PhysRevC.94.044327
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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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2016NY01      Phys.Rev. C 93, 024610 (2016)

M.Nyman, F.Belloni, D.Ichinkhorloo, E.Pirovano, A.J.M.Plompen, C.Rouki

Measurement of the 477.6-keV γ-ray production cross section following inelastic neutron scattering by 7Li

NUCLEAR REACTIONS 7Li(n, n'γ), E=0.5-18 MeV; measured Eγ, Iγ, production cross section of 477.6-keV γ-ray using GELINA pulsed white neutron source and GAINS spectrometer for γ detection at IRMM, Geel. Reviewed previous experimental results. Comparison with previous σγ data for 477.6-keV γ ray, evaluated ENDF/B-VII.1, JEFF-3.1, and JENDL-4.0 libraries, and with theoretical calculations using continuum-discretized coupled channels (CDCC) method.

doi: 10.1103/PhysRevC.93.024610
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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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2015HE27      Phys.Rev. C 92, 044310 (2015)

A.Herzan, S.Juutinen, K.Auranen, T.Grahn, P.T.Greenlees, K.Hauschild, U.Jakobsson, P.Jones, R.Julin, S.Ketelhut, M.Leino, A.Lopez-Martens, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, S.Rinta-Antila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Detailed spectroscopy of 193Bi

NUCLEAR REACTIONS 165Ho(32S, 4n), E=152 MeV; measured prompt and delayed Eγ, Iγ, γγ-, γγγ-, (recoil)γ-, (ce)γ-coin, E(ce), I(ce), γγ(θ)(DCO), γγ(lin pol), T1/2 of isomeric states using JUROGAM II array, gas-filled recoil separator, and GREAT spectrometer at Jyvaskyla. Recoil-decay tagging, and isomer tagging methods. 193Bi; deduced high-spin levels, J, π, ICC, multipolarity, configurations, deformation, rotational band features, superdeformed band, isomers, B(M1)/B(E2), aligned angular momenta, two-state mixing, oblate and spherical shapes. Comparison with cranked shell model calculations, and with level-energy systematics of A=191-207, odd-A Bi isotopes.

RADIOACTIVITY 192,193Bi(α)[from 165Ho(32S, xn), E=152 MeV]; measured Eα, T1/2 of 193Bi g.s.

doi: 10.1103/PhysRevC.92.044310
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2015KE08      Eur.Phys.J. A 51, 167 (2015)

M.Kerveno, A.Bacquias, C.Borcea, Ph.Dessagne, G.Henning, L.C.Mihailescu, A.Negret, M.Nyman, A.Olacel, A.J.M.Plompen, C.Rouki, G.Rudolf, J.C.Thiry

From γ emissions to (n, xn) cross sections of interest: The role of GAINS and GRAPhEME in nuclear reaction modeling

doi: 10.1140/epja/i2015-15167-y
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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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2015PE10      Phys.Rev. C 92, 034314 (2015)

C.M.Petrache, I.Ragnarsson, H.Naidja, F.Nowacki, R.Leguillon, T.Zerrouki, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Search for the terminating 27- state in 140Nd

NUCLEAR REACTIONS 96Zr(48Ca, 4n), E=180 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using JUROGAM array and GREAT spectrometer at K-130 cyclotron facility of University of Jyvaskyla. 140Nd; deduced high-spin levels, J, π, multipolarity, configurations, fully aligned terminating state, shape coexistence. Comparison with cranked Nilsson-Strutinsky (CNS) calculations, and shell-model calculations for close-to-spherical and the triaxial states.

doi: 10.1103/PhysRevC.92.034314
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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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2014BA34      Nucl.Data Sheets 119, 186 (2014)

A.Bacquias, Ph.Dessagne, M.Kerveno, G.Rudolf, A.J.M.Plompen, J.C.Drohe, C.Rouki, N.Nankov, M.Nyman, C.Borcea, A.Negret, P.Archier, C.De Saint Jean, G.Noguere, C.Vaglio-Gaudard, A.Koning, A.Domula, K.Zuber, L.C.Leal

Neutron Inelastic Scattering Measurements for Na, Ge, Zr, Mo and U

NUCLEAR REACTIONS 238U(n, n'γ), (n, 2nγ), E=0-22 MeV; measured Eγ, Iγ; deduced γ transitions, σ; calculated σ using TALYS-1.2 and EMPIRE. Compared with other data. 92Mo(n, n'γ), 95Mo(n, n'γ), 96Mo(n, n'γ), 98Mo(n, n'γ), E=50-18000 keV; measured Eγ, Iγ; deduced γ transitions, yields. Measurements for some other targets sent for publications but not given here.

doi: 10.1016/j.nds.2014.08.052
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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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2014NE09      Nucl.Data Sheets 119, 179 (2014)

A.Negret, C.Borcea, Ph.Dessagne, M.Kerveno, N.Nankov, M.Nyman, A.Olacel, A.J.M.Plompen, C.Rouki

The Limits of the GAINS Spectrometer

NUCLEAR REACTIONS 12C(n, n'γ), E=5-18 MeV;57Fe(n, n'γ), (n, 2nγ), E=0-20 MeV; measured Eγ, Iγ using GAINS spectrometers; deduced σ. 57Fe calculated σ using TALYS 1.2. Carbon data compared with ENDF/B-VII.1, JEFF-3.1, JENDL-4.0, CENDL-3.1. Iron data preliminary.

doi: 10.1016/j.nds.2014.08.050
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2014PE02      Phys.Rev. C 89, 024316 (2014)

P.Peura, C.Scholey, D.T.Joss, S.Juutinen, R.Julin, T.Back, B.Cederwall, P.T.Greenlees, U.Jakobsson, P.Jones, D.S.Judson, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, D.O'Donnell, R.D.Page, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Simpson, J.Thomson, J.Uusitalo, H.V.Watkins

Quasiparticle alignments and α-decay fine structure of 175Pt

RADIOACTIVITY 175Pt(α)[from 92Mo(86Sr, n2p)]; measured Eα, Iα, Eγ, ce, half-life, α-branching ratio. 171Os; deduced levels, J, π, K-conversion coefficient, multipolarity, reduced widths, α hindrance factors. 171,172Ir, 174Pt(α); measured Eα, half-life. 172,173,176Pt, 175Au(α); observed α lines.

NUCLEAR REACTIONS 92Mo(86Sr, n2p), E=403 MeV; measured Eγ, Iγ, Eα, γγ-, γα-, (particle)γ-coin, γ(θ), angular anisotropy using RITU separator, JUROGAM-I array and GREAT spectrometer at JYFL-cyclotron facility. Recoil-decay tagging technique. 175Pt; deduced high-spin levels, J, π, multipolarity, bands, B(M1)/B(E2), configurations, alignment plots for 169Hf, 171W, 173Os and 175Pt, proton-pair excitations in the rotating core; calculated single-particle Routhians for quasineutrons and quasiprotons using cranked shell-model formalism. 167,168Re, 171,172,174Os, 174,176Pt, 175Ir; observed γ rays.

doi: 10.1103/PhysRevC.89.024316
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2014PL06      Nucl.Data Sheets 119, 201 (2014)

A.J.M.Plompen, F.-J.Hambsch, S.Kopecky, M.Nyman, C.Rouki, P.Salvador-Castineira, P.Schillebeeckx, F.Belloni, E.Berthoumieux, F.Gunsing, C.Lampoudis, M.Calviani, C.Guerrero, D.Cano-Ott, E.Gonzalez-Romero, M.Aiche, B.Jurado, L.Mathieu, X.Derckx, F.Farget, C.Rodrigues Tajes, A.Bacquias, Ph.Dessagne, M.Kerveno, C.Borcea, A.Negret, N.Colonna, I.Goncalves, H.Penttila, S.Rinta-Antila, V.S.Kolhinen, A.Jokinen

ANDES Measurements for Advanced Reactor Systems

doi: 10.1016/j.nds.2014.08.056
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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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2013JA06      Phys.Rev. C 87, 054320 (2013)

U.Jakobsson, S.Juutinen, J.Uusitalo, M.Leino, K.Auranen, T.Enqvist, P.T.Greenlees, K.Hauschild, P.Jones, R.Julin, S.Ketelhut, P.Kuusiniemi, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri

Spectroscopy of the proton drip-line nucleus 203Fr

NUCLEAR REACTIONS 169Tm(40Ar, 6n), E=205 MeV; measured reaction products, Eγ, Iγ, Eα, Iα, E(ce), I(ce), (recoils)α-, (recoils)γ-, (ce)γ-, (ce)α-coin, T1/2 using RITU separator, GREAT spectrometer and JUROGAM array at JYFL facility. 203Fr; deduced high-spin levels, J, π, multipolarity, B(M2), B(E3), configuration. Recoil-decay tagging (RDT) technique. 169Tm, 203,204Rn, 204Fr; observed prompt γ rays. Systematics of low-lying negative-parity states in 203,205,207,209,211Fr together with yrast positive-parity states in 198,200,202,204,206,208,210,212Rn.

RADIOACTIVITY 203Fr, 199At(α)[from 169Tm(40Ar, 6n)203Fr, E=205 MeV]; measured Eγ, Iγ, Eα, Iα, E(ce), I(ce), (recoils)α-, (recoils)γ-, (recoils)(ce)-, γγ-, (ce)α-, (ce)γ-coin, T1/2, α branching ratio using RITU separator, GREAT spectrometer and JUROGAM array at JYFL. 203Fr, 199At, 195Bi; deduced levels, J, π. 198At, 202,204Fr; measured Eα, T1/2. Systematics of 13/2+ and 1/2+ states in N=102-126 Bi, At and Fr nuclei. 199,200Po, 200,201At, 202,203,204Rn(α); measured α spectrum.

doi: 10.1103/PhysRevC.87.054320
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2013LE22      Phys.Rev. C 88, 014323 (2013)

R.Leguillon, C.M.Petrache, T.Zerrouki, T.Konstantinopoulos, K.Hauschild, A.Korichi, A.Lopez-Martens, S.Frauendorf, I.Ragnarsson, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, H.Hubel, A.Neusser-Neffgen, A.Al-Khatib, A.Burger, N.Nenoff, A.K.Singh, D.Curien, G.B.Hagemann, B.Herskind, G.Sletten, P.Fallon, A.Gorgen, P.Bednarczyk, D.M.Cullen

High-spin spectroscopy of 140Nd

NUCLEAR REACTIONS 96Zr(48Ca, 4n), E=180, 195 MeV; measured Eγ, Iγ, γγ-coin, γγ(θ) using the JUROGAM II+RITU+GREAT setup at Jyvaskyla and the EUROBALL array at the IRS in Strasbourg. Recoil-decay tagging technique. 140Nd; deduced high-spin levels, J, π, multipolarity, bands, alignments, configurations, B(M1)/B(E2), stable triaxial shape at high spin; calculated potential energy surface contours in (β2, γ) plane, single-particle Routhians using cranked Nilsson-Strutinsky and tilted axis cranking models.

doi: 10.1103/PhysRevC.88.014323
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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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2013RU10      Phys.Rev. C 88, 024320 (2013)

P.Ruotsalainen, C.Scholey, R.Julin, K.Hauschild, K.Kaneko, B.S.Nara Singh, R.Wadsworth, D.G.Jenkins, T.S.Brock, P.T.Greenlees, J.Henderson, U.Jakobsson, P.Jones, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, I.Paterson, P.Peura, M.G.Procter, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo

Recoil-β tagging study of the N=Z nucleus 66As

NUCLEAR REACTIONS 40Ca(28Si, np), E=75, 83 MeV; measured reaction products, Eγ, Iγ, γ(θ), γγ(θ)(ADO ratios), βγ-, (recoil)βγ-, γγ-coin, isomer half-lives by γγ(t) using RITU separator, GREAT spectrometer and JUROGAM II array at Jyvaskyla facility. Recoil-beta tagging (RBT) and recoil-isomer tagging methods. 66As; deduced high-spin levels, isomers, J, π, T=1 band, T=0 states, conversion coefficients, multipolarity, configuration, B(E2), B(M1), oblate 3+ shape isomer. 64Zn, 65Ga, 66Ge; observed γ rays from low-lying states. Systematics of Coulomb energy differences (CEDs) for A=66, 70, 74, and 78 systems. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.88.024320
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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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2013VA10      Phys.Rev. C 87, 064303 (2013)

A.Vancraeyenest, C.M.Petrache, D.Guinet, P.T.Greenlees, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, P.Jones, C.Ducoin, P.Lautesse, C.Mancuso, N.Redon, O.Stezowski, P.Desesquelles, R.Leguillon, A.Korichi, T.Zerrouki, D.Curien, A.Takashima

Identification of new transitions feeding the high-spin isomers in 139Nd and 140Nd nuclei

NUCLEAR REACTIONS 96Zr(48Ca, 4n), (48Ca, 5n), E=180 MeV; measured Eγ, Iγ, particle spectra, γγ-, (recoil)γ-coin, γγ(t), isomer half-lives using RITU separator, JUROGAM array, and GREAT spectrometer at JYFL facility. Recoil decay tagging technique. 139,140Nd; deduced high-spin levels, isomers, J, π, bands, multi-quasiparticle configurations. 136Ce, 138Nd; measured γ(t), half-lives of 10+ isomers.

doi: 10.1103/PhysRevC.87.064303
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2012JA01      Phys.Rev. C 85, 014309 (2012)

U.Jakobsson, J.Uusitalo, S.Juutinen, M.Leino, T.Enqvist, P.T.Greenlees, K.Hauschild, P.Jones, R.Julin, S.Ketelhut, P.Kuusiniemi, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri

Recoil-decay tagging study of 205Fr

NUCLEAR REACTIONS 169Tm(40Ar, 4n), E=180 MeV; measured Eγ, Iγ, ce, delayed γ, γγ-, αγ-, γ(particle)-, ceγ-coin, γ(t), γ(θ), half-lives of isomers, recoil decay tagging method using JUROGAM array and GREAT spectrometer at JYFL. 205Fr; deduced levels, J, π, bands, isomers, configurations. Systematics of negative-parity states in odd-mass (N=118-126) francium nuclei and yrast and near-yrast positive-parity states in their even-mass (N=112-126) radon isotones.

RADIOACTIVITY 205Fr(IT)[from 169Tm(40Ar, 4n), E=180 MeV]; measured Eγ, Iγ, ce; deduced levels, J, π, isomer half-life. 200At, 204,205Fr(α); measured Eα, ce. 201At, 206Fr, 204,205,206Rn(α); measured Eα.

doi: 10.1103/PhysRevC.85.014309
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2012PR10      Phys.Rev. C 86, 034308 (2012)

M.G.Procter, D.M.Cullen, C.Scholey, P.Ruotsalainen, L.Angus, T.Back, B.Cederwall, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, R.Liotta, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, J.Pakarinen, T.Pissulla, P.Peura, P.Rahkila, J.Revill, S.V.Rigby, W.Rother, M.Sandzelius, J.Saren, J.Sorri, M.J.Taylor, J.Uusitalo, P.Wady, C.Qi, F.R.Xu

Electromagnetic transition strengths in 52109Te

NUCLEAR REACTIONS 58Ni(54Fe, n2p), E=206 MeV; measured Eγ, Iγ, γγ-, (particle)γ-, (recoil)γ-coin, level half-lives using the recoil distance Doppler-shift method using PRE-JUROGAM II spectrometer, RITU and GREAT focal-plane spectrometer at Jyvaskyla. Recoil-decay tagging method. 109Te; deduced levels, J, π, bands, multipolarity, B(E2), B(M1). Comparison of experimental B(E2) for ground-state transitions in 108,109Te, 109I with theory. Systematics of 11/2- states in N=57-81 Te isotopes, first 2+ states in N=54-82 Te, h11/2 bands in N=57-63 Te, and ground-state bands in N=54-64 even A Te nuclei. Comparison of levels, J, π, B(E2), B(M1) values with shell model calculations.

NUCLEAR REACTIONS 58Ni(54Fe, X)105In/106Sn/108Sn/108Sb/109Sb/109Te/110Te, E=206 MeV; measured yields from ground-state transitions in (recoil)γγ-coin spectra.

doi: 10.1103/PhysRevC.86.034308
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2012SU22      Phys.Rev. C 86, 044318 (2012)

B.Sulignano, Ch.Theisen, J.-P.Delaroche, M.Girod, J.Ljungvall, D.Ackermann, S.Antalic, O.Dorvaux, A.Drouart, B.Gall, A.Gorgen, P.T.Greenlees, K.Hauschild, R.-D.Herzberg, F.P.Hessberger, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, W.Korten, M.Leino, A.Lopez-Martens, M.Nyman, A.Obertelli, J.Pakarinen, P.Papadakis, E.Parr, P.Peura, J.Piot, P.Rahkila, D.Rostron, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, M.Venhart, M.Zielinska

Investigation of high-K states in 252No

NUCLEAR REACTIONS 206Pb(48Ca, 2n), E=218 MeV; measured Eγ, Iγ, γγ-, γ(ce)-coin, E(ce), I(ce), Eα, isomer half-life using RITU separator, GREAT spectrometer and JUROGAM array at Jyvaskyla facility. 252No; deduced levels, J, π, rotational bands, configuration, high-K states, hindrance factors. 250Fm, 252No; systematics of dynamic moments of inertia and proton pairing energies. Comparison with Hartree-Fock-Bogoliubov (HFB) mean-field calculations.

RADIOACTIVITY 252No(α), (SF); measured Eα, Iα, (evaporation residues)α correlations, half-life, branching ratios for decay modes. 244Cf, 248,250Fm, 253,254No(α); measured α spectrum.

doi: 10.1103/PhysRevC.86.044318
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2012VE04      Eur.Phys.J. A 48, 101 (2012)

M.Venhart, A.N.Andreyev, S.Antalic, L.Bianco, P.T.Greenlees, U.Jakobsson, P.Jones, D.T.Joss, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, R.D.Page, P.Peura, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo

Determination of α-decay branching ratios for 178, 179Hg

NUCLEAR REACTIONS 107Ag(78Kr, np), (78Kr, 2np), E=338, 347, 352 MeV; measured ER using MWPC (multiwire proportional chamber) and DSSD (double-side silicon strip detector), Eγ, Iγ, X-rays using HPGe, Eα, Iα(t), αα-coin, (ER)α-coin. 178,179Hg deduced α-decay width, partial β-decay T1/2.

doi: 10.1140/epja/i2012-12101-y
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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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2011PR02      Phys.Rev. C 83, 034311 (2011)

M.G.Procter, D.M.Cullen, C.Scholey, P.T.Greenlees, J.Hirvonen, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, P.Peura, P.Rahkila, J.-M.Regis, P.Ruotsalainen, J.Saren, Y.Shi, J.Sorri, S.Stolze, J.Uusitalo, F.R.Xu

High-K four-quasiparticle states in 138Gd

NUCLEAR REACTIONS 106Cd(36Ar, 2n2p), E=180 MeV; measured Eγ, Iγ, particle spectra, γγ-, (particle)γ-coin, (particle)γ(t), γ(θ), half-lives, using JUROGAM II array and GREAT spectrometer and recoil isomer-tagging technique. 138Gd; deduced levels, J, π, multipolarity, mixing ratios, bands, high-K isomer, alignment plots, configurations, β2, β4, potential energy surfaces, gK-gR. Comparison with high-K band structures in 132Ce, 134Nd and 136Sm. Calculated PES for high-K isomer in 138Gd.

doi: 10.1103/PhysRevC.83.034311
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2011PR12      Phys.Lett. B 704, 118 (2011)

M.G.Procter, D.M.Cullen, C.Scholey, P.Ruotsalainen, L.Angus, T.Back, B.Cederwall, A.Dewald, C.Fransen, T.Grahn, P.T.Greenlees, M.Hackstein, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, R.Liotta, N.M.Lumley, P.J.R.Mason, P.Nieminen, M.Nyman, J.Pakarinen, T.Pissulla, P.Peura, P.Rahkila, J.Revill, S.V.Rigby, W.Rother, M.Sandzelius, J.Saren, J.Sorri, M.J.Taylor, J.Uusitalo, P.Wady, C.Qi, F.R.Xu

Anomalous transition strength in the proton-unbound nucleus 10953I56

NUCLEAR REACTIONS 58Ni(54Fe, 2np)109I, E=206 MeV; measured reaction products, Eγ, Iγ; deduced σ, lifetime or T1/2 for the first excited state. Comparison with theoretical calculations, Recoil distance Doppler-shift method.

doi: 10.1016/j.physletb.2011.09.012
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2011SA59      Phys.Rev. C 84, 054303 (2011)

P.J.Sapple, R.D.Page, D.T.Joss, L.Bianco, T.Grahn, J.Pakarinen, J.Thomson, J.Simpson, D.O'Donnell, S.Erturk, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, J.Saren, C.Scholey, J.Uusitalo

In-beam γ-ray spectroscopy of the N=85 isotones 159W and 160Re

NUCLEAR REACTIONS 106Cd(58Ni, X), E=310 MeV; measured Eγ, Iγ, γγ-, αγ-coin, recoil-decay tagging technique. 159W, 160Re; deduced levels, J, π, configuration. JUROGAM array and GREAT spectrometer. Systematics of level energies built on 9/2- and 10+ states for N=85 isotones with Z=64-75.

RADIOACTIVITY 155Hf(β+)[from 159W α decay]; measured E(α), half-life from time differences between the α decays of 159W and those of 155Lu. 155,156Lu, 157Hf, 157,158Ta, 159,160W, 161Re(α); measured Eα. 155Hf; discussed J, π of the ground state.

doi: 10.1103/PhysRevC.84.054303
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2011VE01      Phys.Lett. B 695, 82 (2011)

M.Venhart, A.N.Andreyev, J.L.Wood, S.Antalic, L.Bianco, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, R.D.Page, P.Peura, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo

Shape coexistence in odd-mass Au isotopes: Determination of the excitation energy of the lowest intruder state in 179Au

RADIOACTIVITY 183Tl(α), 179Au(IT) [from 107Ag(78Kr, X)185Bi(2p)]; measured Eγ, Iγ, γγ-coin., Eα, Iα, α-γ coin.; deduced new isomer, T1/2, B(E1), level scheme, shape coexistence, intruder states.

doi: 10.1016/j.physletb.2010.10.055
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2011WA37      Phys.Rev. C 84, 051302 (2011)

H.Watkins, D.T.Joss, T.Grahn, R.D.Page, R.J.Carroll, A.Dewald, P.T.Greenlees, M.Hackstein, R.-D.Herzberg, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Labiche, M.Leino, N.Lumley, P.Maierbeck, M.Nyman, P.Nieminen, D.O'Donnell, J.Ollier, J.Pakarinen, P.Peura, T.Pissulla, P.Rahkila, J.P.Revill, W.Rother, P.Ruotsalainen, S.V.Rigby, J.Saren, P.J.Sapple, M.Scheck, C.Scholey, J.Simpson, J.Sorri, J.Uusitalo, M.Venhart

Lifetime measurements probing triple shape coexistence in 175Au

NUCLEAR REACTIONS 92Mo(86Sr, 2np), E=401 MeV; measured Eγ, Iγ, αγ-, (evaporation residues)αγ-coin, half-lives by recoil-distance Doppler-shift (RDDS) and differential decay curve methods using Cologne plunger device and JUROGAM array. Recoil-decay tagging method using Gamma Recoil Electron Alpha Tagging (GREAT) spectrometer. 175Au; deduced level, J, π, B(E2), B(E1), transition quadrupole moment. Systematics of transition quadrupole moments in 175Au, 178Pt, 180,182Hg, 186Pb, 187Tl. Spherical, prolate, and mixed oblate-prolate configurations.

RADIOACTIVITY 175mAu(α); measured Eα, half-life of 11/2- isomer by correlations between recoil implantations and α decays.

doi: 10.1103/PhysRevC.84.051302
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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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2010DO13      Phys.Rev. C 82, 067306 (2010)

Q.T.Doan, A.Vancraeyenest, O.Stezowski, D.Guinet, D.Curien, J.Dudek, Ph.Lautesse, G.Lehaut, N.Redon, Ch.Schmitt, G.Duchene, B.Gall, H.Molique, J.Piot, P.T.Greenlees, U.Jakobsson, R.Julin, S.Juutinen, P.Jones, S.Ketelhut, M.Nyman, P.Peura, P.Rahkila, A.Gozdz, K.Mazurek, N.Schunck, K.Zuber, P.Bednarczyk, A.Maj, A.Astier, I.Deloncle, D.Verney, G.de Angelis, J.Gerl

Spectroscopic information about a hypothetical tetrahedral configuration in 156Gd

NUCLEAR REACTIONS 154Sm(4He, 2n), E=27 MeV; measured Eγ, Iγ, γγ-coin, γ(θ) using JUROGAM array. 156Gd; deduced levels, J, π, bands, multipolarity, mixing ratio. Search for evidence of hypothetical tetrahedral configuration in 156Gd.

doi: 10.1103/PhysRevC.82.067306
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2010FR07      J.Phys.:Conf.Ser. 205, 012043 (2010)

C.Fransen, A.Dewald, T.Baumann, D.Bazin, A.Blazhev, B.A.Brown, A.Chester, A.Gade, T.Glasmacher, P.T.Greenlees, M.Hackstein, S.Harissopulos, U.Jakobsson, J.Jolie, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Konstaninopoulos, A.Lagoyannis, M.Leino, P.Nieminen, M.Nyman, P.Petkov, P.Peura, T.Pissulla, P.Rahkila, W.Rother, P .Ruotsalainen, J.Saren, C.Scholey, J.Sorri, K.Starosta, A.Stolz, J.Uusitalo, P.Voss, D.Weisshaar

New developments on the recoil distance doppler-shift method

doi: 10.1088/1742-6596/205/1/012043
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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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2010JA05      Phys.Rev. C 82, 044302 (2010)

U.Jakobsson, J.Uusitalo, S.Juutinen, M.Leino, P.Nieminen, K.Andgren, B.Cederwall, P.T.Greenlees, B.Hadinia, P.Jones, R.Julin, S.Ketelhut, A.Khaplanov, M.Nyman, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri

Prompt and delayed spectroscopy of 199At

NUCLEAR REACTIONS 150Sm(52Cr, 2np), E=231 MeV; 120Sn(82Kr, 2np), E=355 MeV; 165Ho(40Ar, 6n), E=200 MeV; measured Eγ, Iγ, Eα, ce, γγ-, γα-, (particle)γ-coin, isomer half-lives using JUROGAM array and GREAT spectrometer. Recoil-decay tagging method. Prompt and delayed γ spectra. 199At; deduced levels, J, π, conversion coefficients, multipolarities, B(M2), isomers, configurations. 197At; analyzed previous γ-ray data; deduced levels, J, π, bands. Systematics of energy levels of N=106-126 At nuclei. Systematics of B(M1)/B(E2) ratios of 193Bi, 197,199At nuclei. Systematics of kinematic moments of inertia for 193Bi, 192,194,196Po, 197,199At, 198Rn nuclei.

RADIOACTIVITY 196Po, 198,199At, 199,200Rn(α); measured Eα.

doi: 10.1103/PhysRevC.82.044302
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2010MA08      Phys.Rev. C 81, 024302 (2010)

P.J.R.Mason, D.M.Cullen, C.Scholey, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, J.Sorri, J.Saren, J.Uusitalo, F.R.Xu

Spectroscopy of 144Ho using recoil-isomer tagging

NUCLEAR REACTIONS 92Mo(54Fe, np), E=226 MeV; measured γ spectra, Eγ, Iγ, γγ-, (particle)γ-coin, γ(θ), half-life and K-conversion-coefficients using JuroGam array and GREAT spectrometer. Recoil-decay (isomer) tagging method. 144Ho; deduced levels, J, π, multipolarity, isomer, bands, configurations, staggering parameter and B(M1)/B(E2) ratios. Comparison with Woods Saxon cranked-shell model (CSM) calculations and with structures of 140Eu and 142Tb. Calculated potential energy surfaces (PES) and Routhians.

doi: 10.1103/PhysRevC.81.024302
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2010MA15      Phys.Lett. B 683, 17 (2010)

P.J.R.Mason, D.M.Cullen, C.Scholey, A.Dewald, O.Moller, H.Iwasaki, T.Pissulla, W.Rother, J.A.Dare, P.T.Greenlees, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, B.Niclasen, M.Nyman, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, J.Sorri, J.Saren, J.Uusitalo, F.R.Xu

Isomer-tagged differential-plunger measurements in proton-unbound 144Ho

NUCLEAR REACTIONS 92Mo(54Fe, np), E=226 MeV; measured Eγ, Iγ, (recoil)γ-, γγ-coin, half-life, prompt and delayed γ rays using JUROGAM array. 144Ho; deduced energy levels, J, π, isomer, configurations. Recoil-isomer tagging method.

doi: 10.1016/j.physletb.2009.11.042
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2010PR04      Phys.Rev. C 81, 054320 (2010)

M.G.Procter, D.M.Cullen, C.Scholey, B.Niclasen, P.J.R.Mason, S.V.Rigby, J.A.Dare, A.Dewald, P.T.Greenlees, H.Iwasaki, U.Jakobsson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, N.M.Lumley, O.Moller, M.Nyman, P.Peura, T.Pissulla, A.Puurunen, P.Rahkila, W.Rother, P.Ruotsalainen, J.Saren, J.Sorri, J.Uusitalo

Lifetime measurements and shape coexistence in 144Dy

NUCLEAR REACTIONS 92Mo(54Fe, 2p)144Dy, E=226 MeV; measured Eγ, Iγ, γγ-coin, DCO, half-lives by RDDS using JUROGAM array. 144Dy; deduced levels, J, π, multipolarity, bands, B(M1), B(E2), B(M1)/B(E2), Q(t), β2, configurations, magnetic-dipole shears bands. Comparison with systematics of bands in 142Gd, 143Tb, 145,146Dy and with cranked shell-model (CSM) calculations.

doi: 10.1103/PhysRevC.81.054320
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2010RA12      Phys.Rev. C 82, 011303 (2010)

P.Rahkila, D.G.Jenkins, J.Pakarinen, C.Gray-Jones, P.T.Greenlees, U.Jakobsson, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, H.Koivisto, M.Leino, P.Nieminen, M.Nyman, P.Papadakis, S.Paschalis, M.Petri, P.Peura, O.J.Roberts, T.Ropponen, P.Ruotsalainen, J.Saren, C.Scholey, J.Sorri, A.G.Tuff, J.Uusitalo, R.Wadsworth, M.Bender, P.-H.Heenen

Shape coexistence at the proton drip-line: First identification of excited states in 180Pb

NUCLEAR REACTIONS 92Mo(90Zr, 2n)180Pb, E=400 MeV; measured Eγ, Iγ, (recoil)γ-, (recoil)αγ coin using the JUROGAM II array and recoil-decay tagging (RDT) technique. 180Pb; deduced levels, J, π, band. Comparison with beyond-mean-field theoretical calculations. Z=82, A=180-208; systematics of spherical, prolate and oblate structures.

RADIOACTIVITY 180Pb(α); measured Eα and half-life. 176,177Hg, 179mTl(α); measured Eα.

doi: 10.1103/PhysRevC.82.011303
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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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2010SC03      Phys.Rev. C 81, 014310 (2010)

M.Scheck, T.Grahn, A.Petts, P.A.Butler, A.Dewald, L.P.Gaffney, M.B.Gomez Hornillos, A.Gorgen, P.T.Greenlees, K.Helariutta, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Leino, J.Ljungvall, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, A.Semchenkov, J.Sorri, J.Uusitalo, R.Wadsworth, M.Zielinska

Lifetimes of odd-spin yrast states in 182Hg

NUCLEAR REACTIONS 96Mo(88Sr, 2n), E=310 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) method using JUROGAM array. 182Hg; deduced levels, J, π, transition probabilities, transition quadrupole moments, quadrupole deformation parameters, transition dipole moments, and octupole collectivity. Systematics of odd-spin yrast states and low-lying positive parity states in even A=176-206 Hg isotopes.

doi: 10.1103/PhysRevC.81.014310
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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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2009DO08      Acta Phys.Pol. B40, 725 (2009)

Q.T.Doan, D.Curien, O.Stezowski, J.Dudek, K.Mazurek, A.Gozdz, J.Piot, G.Duchene, B.Gall, H.Molique, M.Richet, P.Medina, D.Guinet, N.Redon, Ch.Schmitt, P.Jones, P.Peura, S.Ketelhut, M.Nyman, U.Jakobsson, P.T.Greenlees, R.Julin, S.Juutinen, P.Rahkila, A.Maj, K.Zuber, P.Bednarczyk, N.Schunck, J.Dobaczewski, A.Astier, I.Deloncle, D.Verney, G.de Angelis, J.Gerl

Search for Fingerprints of Tetrahedral Symmetry in 156Gd

NUCLEAR REACTIONS 154Sm(α, 2n), E=27 MeV; measured Eγ, Iγ, γγ-coin; deduced B(E2)/B(E1).


2009GO16      Phys.Rev. C 79, 064314 (2009)

M.B.Gomez Hornillos, D.O'Donnell, J.Simpson, D.T.Joss, L.Bianco, B.Cederwall, T.Grahn, P.T.Greenlees, B.Hadinia, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, R.D.Page, E.S.Paul, M.Petri, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, J.Sorri, J.Thomson, J.Uusitalo

γ-ray spectroscopy approaching the limits of existence of atomic nuclei: A study of the excited states of 168Pt and 169Pt

NUCLEAR REACTIONS 92Mo(78Kr, 2n), E=335 MeV; 94Mo(78Kr, 3n), E=348 MeV; measured Eγ, Iγ, γγ-coin. 168,169Pt; deduced levels, J, π, bands. Recoil-decay tagging technique. Comparison with interacting boson model calculations. A=168-202, Z=78; systematics of E(4+)/E(2+).

RADIOACTIVITY 167,168Os, 167,168,169Ir, 168,169,170Pt(α); measured Eα.

doi: 10.1103/PhysRevC.79.064314
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2009GR05      Eur.Phys.J. A 39, 291 (2009)

T.Grahn, A.Dewald, P.T.Greenlees, U.Jakobsson, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Leino, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, P.Peura, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo

Lifetime measurement in 195Po

NUCLEAR REACTIONS 113Cd(86Kr, 4n), E=382 MeV; measured Eγ, Iγ, (recoil)γ-coin, lifetime using the recoil distance Doppler-shift method. 195Po; deduced B(E2). JUROGRAM array with RITU separator and GREAT spectrometer. Recoil-decay tagging technique.

doi: 10.1140/epja/i2008-10724-1
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2009GR08      Phys.Rev. C 80, 014323 (2009)

T.Grahn, A.Dewald, P.T.Greenlees, U.Jakobsson, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, T.Kroll, R.Krucken, M.Leino, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, P.Peura, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, J.Sorri, J.Uusitalo, M.Bender, P.-H.Heenen

Collectivity of 196Po at low spin

NUCLEAR REACTIONS 113Cd(86Kr, 3n), E=382 MeV; measured Eγ, Iγ, half-lives using the recoil distance Doppler-shift technique. 196Po; deduced levels, J, π, B(E2), transition quadrupole moments and deformation parameters. Comparison with configuration mixing calculations of angular momentum projected mean-field states.

doi: 10.1103/PhysRevC.80.014323
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2009GR09      Phys.Rev. C 80, 014324 (2009)

T.Grahn, A.Petts, M.Scheck, P.A.Butler, A.Dewald, M.B.Gomez Hornillos, P.T.Greenlees, A.Gorgen, K.Helariutta, J.Jolie, P.Jones, R.Julin, S.Juutinen, S.Ketelhut, R.Krucken, T.Kroll, M.Leino, J.Ljungvall, P.Maierbeck, B.Melon, M.Nyman, R.D.Page, Th.Pissulla, P.Rahkila, J.Saren, C.Scholey, A.Semchenkov, J.Sorri, J.Uusitalo, R.Wadsworth, M.Zielinska

Evolution of collectivity in 180Hg and 182Hg

NUCLEAR REACTIONS 94Mo(88Sr, 2n), E=300 MeV; 96Mo(88Sr, 2n), E=310 MeV; measured Eγ, Iγ, αγ-, γγ-coin, half-lives by recoil-distance Doppler shift method. 180,182Hg; deduced levels, J, π, B(E2), quadrupole moments and deformation parameters. Recoil-decay tagging (RDT) method. Comparisons with systematics of even-even Hg nuclides from A=176-206 and A=186, 188 Pb nuclides.

doi: 10.1103/PhysRevC.80.014324
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2009HA42      Phys.Rev. C 80, 064310 (2009)

B.Hadinia, B.Cederwall, R.D.Page, M.Sandzelius, C.Scholey, K.Andgren, T.Back, E.Ganioglu, M.B.Gomez Hornillos, T.Grahn, P.T.Greenlees, E.Ideguchi, U.Jakobsson, A.Johnson, P.M.Jones, R.Julin, J.Juutinen, S.Ketelhut, A.Khaplanov, M.Leino, M.Niikura, M.Nyman, I.Ozgur, E.S.Paul, P.Peura, P.Rahkila, J.Saren, J.Sorri, J.Uusitalo, R.Wyss

Identification of γ rays from 172Au and α decays of 172Au, 168Ir, and 164Re

RADIOACTIVITY 160,160mTa, 164,164mRe, 168,168mIr, 172Au(α)[from 96Ru(78Kr, X), E=342, 348 MeV]; measured Eα, αγ-correlations, and half-lives. 157,160Hf, 160,164W, 164,165,167,168Os, 168,169,171Ir, 169,170,171,172Pt, 164,165Re, 171,173Au, 172,173Hg(α); measured Eα, αα-correlations of α-decaying pairs. 160Ta, 164Re, 168Ir, 172Au; deduced levels and isomers.

NUCLEAR REACTIONS 96Ru(78Kr, X)172Au/173Au, E=342, 348 MeV; measured Eγ, Iγ, γγ-, γα-, γα(recoils)-coin and γ(θ). 172Au; deduced levels and multipolarity. Routhian surface calculations for 172Au.

doi: 10.1103/PhysRevC.80.064310
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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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2009OD01      Phys.Rev. C 79, 051304 (2009)

D.O'Donnell, J.Simpson, C.Scholey, T.Back, P.T.Greenlees, U.Jakobsson, P.Jones, D.T.Joss, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, R.D.Page, P.Peura, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Thomson, J.Uusitalo, H.V.Watkins

First observation of excited states in 175Hg95

NUCLEAR REACTIONS 92Mo(86Sr, 3n), E=403 MeV; measured Eγ, Iγ, ce, Eα, Iα, (recoil)α-, γα-, (ce)α-coin, half-life. 175Hg; deduced levels, J, π, isomer, bands and moments of inertia. Recoil-decay tagging technique. 174,175,176,177,178,179Hg; level systematics.

RADIOACTIVITY 175Hg(α); measured Eα, Iα, half-life. 172,174,175Pt, 174,175Au, 175,176Hg(α); measured Eα, Iα.

doi: 10.1103/PhysRevC.79.051304
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2009OD02      Phys.Rev. C 79, 064309 (2009)

D.O'Donnell, T.Grahn, D.T.Joss, J.Simpson, C.Scholey, K.Andgren, L.Bianco, B.Cederwall, D.M.Cullen, A.Dewald, E.Ganioglu, M.B.Gomez Hornillos, P.T.Greenlees, B.Hadinia, H.Iwasaki, U.Jakobsson, J.Jolie, P.Jones, D.S.Judson, R.Julin, S.Juutinen, S.Ketelhut, M.Labiche, M.Leino, N.M.Lumley, P.J.R.Mason, O.Moller, P.Nieminen, M.Nyman, R.D.Page, J.Pakarinen, E.S.Paul, M.Petri, A.Petts, P.Peura, N.Pietralla, Th.Pissulla, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, J.Sorri, J.Thomson, J.Uusitalo, H.V.Watkins

Spectroscopy of the neutron-deficient nucleus 167Os91

NUCLEAR REACTIONS 92Mo(78Kr, n2p), E=335, 357, 365 MeV; measured Eγ, Iγ, γγ-coin, γ(θ), and half-lives by recoil-distance method. 167Os; deduced levels, J, π, bands, and multipolarity. 168Os; deduced levels. Recoil-decay tagging technique. A=161-173, odd-A Yb, Hf, W and Os; systematics of experimental aligned momentum as a function of rotational frequency. Z=64-78, N=91; systematics of yrast states. Comparison with cranked shell-model calculations.

RADIOACTIVITY 162,163,164W, 167,168Os, 168,169Ir, 168,169,170Pt(α); measured Eα, Iα.

doi: 10.1103/PhysRevC.79.064309
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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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2009SA27      Phys.Rev. C 79, 064315 (2009)

M.Sandzelius, E.Ganioglu, B.Cederwall, B.Hadinia, K.Andgren, T.Back, T.Grahn, P.Greenlees, U.Jakobsson, A.Johnson, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, P.Peura, P.Rahkila, J.Saren, C.Scholey, J.Uusitalo, R.Wyss

First observation of excited states in 172Hg

NUCLEAR REACTIONS 96Ru(78Kr, 2n), E=337-355 MeV; measured Eγ, Iγ, γγ-coin. 172Hg; deduced levels, J, π. Recoil-decay tagging technique. 172,173,174Hg; calculated total Routhian surfaces. A=168-206, Z=78, 80; systematics of 2+, 4+ and 6+ states. Comparison with quasiparticle random phase approximation calculations.

RADIOACTIVITY 172Hg(α); measured Eα, Iα, half-life. 171,172Pt, 172Au, 173Hg(α); measured Eα.

doi: 10.1103/PhysRevC.79.064315
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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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2009WA09      Acta Phys.Pol. B40, 611 (2009)

R.Wadsworth, B.S.Nara Singh, A.N.Steer, D.G.Jenkins, M.A.Bentley, T.Brock, P.Davies, R.Glover, N.S.Pattabiraman, C.Scholey, T.Grahn, P.T.Greenlees, P.Jones, U.Jakobsson, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, M.Nyman, P.Perua, J.Pakarinen, P.Rahkila, P.Ruotsalainen, J.Sorri, J.Uusitalo, C.J.Lister, P.A.Butler, M.Dimmock, D.T.Joss, J.Thomson, S.Rinta-Antila, B.Cederwall, B.Hadinia, M.Sandzelius, A.Atac, L.Betterman, A.Blazhev, N.Braun, F.Finke, K.Geibel, G.Ilie, H.Iwasaki, J.Jolie, P.Reiter, C.Scholl, N.Warr, P.Boutachkov, L.Caceres, C.Domingo, T.Engert, F.Farinon, J.Gerl, N.Goel, M.Gorska, H.Grawe, N.Kurz, I.Kojuharov, S.Pietri, C.Nociforo, A.Prochazka, H.-J.Wollersheim, K.Eppinger, T.Faestermann, C.Hinke, R.Hoischen, R.Kruecken, A.Gottardo, Z.Liu, P.Woods, J.Grebosz, E.Merchant, J.Nyberg, P.-A.Soderstrom, Z.Podolyak, P.Regan, S.Steer, M.Pfutzner, D.Rudolph

The Northwest Frontier: Spectroscopy of N ∼ Z Nuclei Below Mass 100


2008AN05      Phys.Rev. C 77, 054303 (2008)

K.Andgren, B.Cederwall, J.Uusitalo, A.N.Andreyev, S.J.Freeman, P.T.Greenlees, B.Hadinia, U.Jakobsson, A.Johnson, P.M.Jones, D.T.Joss, S.Juutinen, R.Julin, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, P.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, J.Thomson, R.Wyss

Excited states in the neutron-deficient nuclei 197, 199, 201Rn

RADIOACTIVITY 197,197mRn(α); measured half-life.

NUCLEAR REACTIONS 118,122Sn(82Kr, 3n), E=362 MeV; 120Sn(82Kr, 3n), E=355 MeV; 150Sm, 152Sm(52Cr, 3n), E=231 MeV; measured Eγ, Iγ, Eγ, γγ-, γα-coin. Recoil-α-decay tagging method. 197,199,201Rn; deduced levels, J, π, band configurations. 111-125Rn, 106-126Po; systematics.

doi: 10.1103/PhysRevC.77.054303
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2008AN11      Phys.Rev. C 78, 044328 (2008)

K.Andgren, U.Jakobsson, B.Cederwall, J.Uusitalo, T.Back, S.J.Freeman, P.T.Greenlees, B.Hadinia, A.Hugues, A.Johnson, P.M.Jones, D.T.Joss, S.Juutinen, R.Julin, S.Ketelhut, A.Khaplanov, M.Leino, M.Nyman, R.D.Page, P.Rahkila, M.Sandzelius, P.Sapple, J.Saren, C.Scholey, J.Simpson, J.Sorri, J.Thomson, R.Wyss

γ-ray spectroscopy of 197At

NUCLEAR REACTIONS 118Sn(82Kr, 2np), E=362 MeV; measured Eγ, Iγ, γγ-coin, conversion electrons. 197At; deduced levels, J, π, bands. Comparison with 193Bi, total Routhian surface forces for 191,193,195,197At.

RADIOACTIVITY 195,196Po, 196,197,197m,198,199At(α) [from 118Sn(82Kr, X), E=362 MeV]; measured α-spectra, α(recoil)-coin, half-lives.

doi: 10.1103/PhysRevC.78.044328
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2008BI15      Nucl.Instrum.Methods Phys.Res. A597, 189 (2008)

L.Bianco, R.D.Page, D.T.Joss, J.Simpson, B.Cederwall, M.B.Gomez Hornillos, P.T.Greenlees, B.Hadinia, U.Jakobsson, P.M.Jones, R.Julin, S.Ketelhut, M.Labiche, M.Leino, M.Nyman, E.S.Paul, M.Petri, P.Peura, A.Puurunen, P.Rahkila, P.Ruotsalainen, M.Sandzelius, P.J.Sapple, J.Saren, C.Scholey, J.Thomson, J.Uusitalo

α-Decay branching ratios measured by γ-ray tagging

RADIOACTIVITY 168,169,170Pt(α); measured Eα, Iα, Eγ, Iγ, αγ-coin. Deduced α-decay branching ratios.

doi: 10.1016/j.nima.2008.09.020
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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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2008GR17      Phys.Rev. C 78, 021303 (2008)

P.T.Greenlees, R.-D.Herzberg, S.Ketelhut, P.A.Butler, P.Chowdhury, T.Grahn, C.Gray-Jones, G.D.Jones, P.Jones, R.Julin, S.Juutinen, T.-L.Khoo, M.Leino, S.Moon, M.Nyman, J.Pakarinen, P.Rahkila, D.Rostron, J.Saren, C.Scholey, J.Sorri, S.K.Tandel, J.Uusitalo, M.Venhart

High-K structure in 250Fm and the deformed shell gaps at N=152 and Z=100

NUCLEAR REACTIONS 204Hg(48Ca, 2n), E=209 MeV; measured Eγ, Iγ, conversion electrons, (ce)γ-coin. 250Fm; deduced levels, J, π, band configurations, B(M1), B(E2). 252,254No; systematics

RADIOACTIVITY 250Fm(IT); measured Eγ, Iγ, half-life. Deduced levels, J, π. Comparison with model calculations.

doi: 10.1103/PhysRevC.78.021303
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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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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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2007NA13      Phys.Rev. C 75, 061301 (2007)

B.S.Nara Singh, A.N.Steer, D.G.Jenkins, R.Wadsworth, M.A.Bentley, P.J.Davies, R.Glover, N.S.Pattabiraman, C.J.Lister, 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, M.Dimmock, D.T.Joss, J.Thomson, B.Cederwall, B.Hadinia, M.Sandzelius

Coulomb shifts and shape changes in the mass 70 region

NUCLEAR REACTIONS Ca(36Ar, np)74Rb, E=103 MeV; Ca(40Ca, np)78Y, E=118, 121 MeV; measured Eγ, Iγ, βγ-coinc using recoil-decay tagging technique. 74Rb, 78Y deduced coulomb energy differences between T=1 states.

doi: 10.1103/PhysRevC.75.061301
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2007NA37      Eur.Phys.J. Special Topics 150, 147 (2007)

B.S.Nara Singh, A.N.Steer, D.G.Jenkins, R.Wadsworth, P.J.Davies, R.Glover, N.S.Pattabiraman, T.Grahn, P.T.Greenlees, P.Jones, R.Julin, M.Leino, M.Nyman, J.Pakarinen, P.Rahkila, C.Scholey, J.Sorri, J.Uusitalo, P.A.Butler, M.Dimmock, D.T.Joss, J.Thomson, C.J.Lister, B.Cederwall, B.Hadinia, M.Sandzelius

Recoil Beta Tagging: Application to the study of odd-odd near proton drip line nuclei, 74Rb and 78Y

RADIOACTIVITY 78Y(β+) [from 40Ca(40Ca, np), E=118, 121 MeV]; measured Eγ, Iγ, γγ, βγ-coin. 78Y deduced levels.

doi: 10.1140/epjst/e2007-00290-8
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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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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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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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