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NSR database version of April 27, 2024.

Search: Author = A.Puurunen

Found 6 matches.

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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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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, T_1/2, fine structure, ground state J, π.

RADIOACTIVITY ¹⁶¹Os(α), ¹⁵⁷W(β⁺); measured decay products; deduced T_1/2, β-branching. Comparison with shell model calculations.

doi: 10.1016/j.physletb.2010.04.056
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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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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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