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NSR database version of April 26, 2024.

Search: Author = M.Mallaburn

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2021GI08      Phys.Rev. C 103, 044307 (2021)

S.A.Gillespie, A.Stott, A.N.Andreyev, J.G.Cubiss, M.Al Monthery, C.J.Barton, S.Antalic, K.Auranen, H.Badran, D.Cox, T.Grahn, P.T.Greenlees, A.Herzan, E.Higgins, R.Julin, S.Juutinen, J.Klimo, J.Konki, M.Leino, M.Mallaburn, J.Pakarinen, P.Papadakis, J.Partanen, P.M.Prajapati, P.Rahkila, M.Sandzelius, C.Scholey, J.Sorri, S.Stolze, R.Urban, J.Uusitalo, M.Venhart, F.Wearing

Identification of sub-μ isomeric states in the odd-odd nucleus ¹⁷⁸Au

RADIOACTIVITY ¹⁷⁸Au(IT), (α)[from ⁹²Mo(⁸⁸Sr, np)¹⁷⁸Au, E=381 MeV, followed by separation of fragments using RITU separator and implanted into a double sided silicon detectors (DSSD), placed side by side of the GREAT spectrometer at the University of Jyvaskyla]; measured Eγ, Iγ, Eα, Iα, (recoil)γ- and γγ-coin, half-lives of two sub-microsec isomers, total conversion coefficients. ¹⁷⁸Au; deduced levels, J, π, isomers, α branching ratios, multipolarities, E2/M1 mixing ratios, B(E1), B(E2), B(M1). ^{174,175,176,177,178}Pt, ^177,179Au, ^178,179Hg(α); measured Eα within 7 s of implantation of evaporation residues in the DSSD.

doi: 10.1103/PhysRevC.103.044307
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2020BA02      Nucl.Instrum.Methods Phys.Res. A950, 162965 (2020)

L.Barber, D.M.Cullen, M.M.Giles, B.S.Nara Singh, M.J.Mallaburn, M.Beckers, A.Blazhev, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, J.Jolie, F.Mammes, C.Muller-Gatermann, D.Wolk, K.O.Zell

Performing the differential decay curve method on γ-ray transitions with unresolved Doppler-shifted components

NUCLEAR REACTIONS ⁴⁰Ca(¹²C, X)⁵⁰Mn, E=30.5 MeV; measured reaction products, Eγ, Iγ; deduced T_1/2 for the yrast 2⁺ state. Unresolved Doppler-shifted components method (UDCM).

doi: 10.1016/j.nima.2019.162965
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2019GI07      Phys.Rev. C 99, 044317 (2019), Erratum Phys.Rev. C 104, 029901 (2021)

M.M.Giles, B.S.Nara Singh, L.Barber, D.M.Cullen, M.J.Mallaburn, M.Beckers, A.Blazhev, T.Braunroth, A.Dewald, C.Fransen, A.Goldkuhle, J.Jolie, F.Mammes, C.Muller-Gatermann, D.Wolk, K.O.Zell, S.M.Lenzi, A.Poves

Probing isospin symmetry in the (⁵⁰Fe, ⁵⁰Mn, ⁵⁰Cr) isobaric triplet via electromagnetic transition rates

NUCLEAR REACTIONS ⁴⁰Ca(¹²C, pn), (¹²C, 2p), E=30-36 MeV; measured Eγ, Iγ, γγ-coin, level half-lives by recoil distance Doppler-shift (RDDS) technique using an array of 11 HPGe detectors, and Cologne plunger device at the University of Cologne. ⁵⁰Mn, ⁵⁰Cr; deduced levels, J, π, E2 matrix elements, B(E2) values for T=1 isobar analog states in ⁵⁰Fe, ⁵⁰Mn, and ⁵⁰Cr. Comparison with shell model calculations using the GXPF1A and KB3GR interactions, and with previous experimental results. ⁵⁰Fe; pointed out need for a more precise value of B(E2) for the first 2+ state.

doi: 10.1103/PhysRevC.99.044317
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2019GI11      Phys.Rev. C 99, 064310 (2019)

S.A.Gillespie, A.N.Andreyev, M.Al Monthery, C.J.Barton, S.Antalic, K.Auranen, H.Badran, D.Cox, J.G.Cubiss, D.O'Donnell, T.Grahn, P.T.Greenlees, A.Herzan, E.Higgins, R.Julin, S.Juutinen, J.Klimo, J.Konki, M.Leino, M.Mallaburn, J.Pakarinen, P.Papadakis, J.Partanen, P.M.Prajapati, P.Rahkila, M.Sandzelius, C.Scholey, J.Sorri, S.Stolze, R.Urban, J.Uusitalo, M.Venhart, F.Weaving

Identification of a 66 μs isomeric state in ¹⁷⁵Ir

RADIOACTIVITY ¹⁷⁵Ir(IT)[from ⁹²Mo(⁸⁸Sr, αp), E=381 MeV, followed by separation of fragments using RITU separator at the University of Jyvaskyla K130 cyclotron facility]; measured Eγ, Iγ, γγ-coin, and isomer half-life by isomer tagging technique using the JUROGAM-II array. ¹⁷⁵Ir; deduced levels, J, π, isomer, total conversion coefficients, multipolarities, B(E1), B(M1). Comparison with the decay of a 326-ns, 3/2- isomer in ¹⁷⁹Au.

doi: 10.1103/PhysRevC.99.064310
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2018AU01      Phys.Rev. C 97, 024301 (2018)

K.Auranen, J.Uusitalo, S.Juutinen, H.Badran, F.Defranchi Bisso, D.Cox, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, R.Julin, J.Konki, M.Leino, A.Lightfoot, M.J.Mallaburn, O.Neuvonen, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, Y.K.Wang

Prompt and delayed spectroscopy of ²⁰³At: Observation of a shears band a 29/2⁺ isomeric state

NUCLEAR REACTIONS ¹⁵⁹Tb(⁴⁸Ca, 4n), E=198 MeV; measured Eγ, Iγ, γ(θ), E(x ray), I(x ray), Eα, γγ- and (ce)γ-coin, recoil-gated γ singles, recoil-isomer decay tagged γ singles, prompt and delayed γ-ray spectra, half-lives of isomers, K/(L+M+) ratios using RITU separator, GREAT spectrometer, JUROGAM II array of 24 clover and 15 tapered Compton-suppressed Ge detectors at the K-130 cyclotron Accelerator Laboratory at the University of Jyvaskyla. ²⁰³At; deduced high-spin levels, J, π, multipolarities, B(E1), B(E2), B(M2), magnetic-dipole shears band, configurations. Comparison with TAC-CDFT calculations for the shears band. Energy systematics of N=110-126 odd-A At isotopes.

doi: 10.1103/PhysRevC.97.024301
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2018GI11      Phys.Rev. C 98, 044315 (2018)

M.M.Giles, D.M.Cullen, B.S.Nara Singh, D.Hodge, M.J.Taylor, M.J.Mallaburn, N.V.Sosnin, L.Barber, J.F.Smith, L.Capponi, M.Smolen, C.Scholey, P.Rahkila, T.Grahn, H.Badran, A.Girka, P.T.Greenlees, R.Julin, J.Konki, O.Nefodov, P.Ruotsalainen, M.Sandzelius, J.Saren, J.Sorri, S.Stolze, J.Uusitalo, J.Pakarinen, P.Papadakis, J.Partanen, T.Braunroth, G.G.O'Neill

Lifetime measurements of lowest states in the in the νg_7/2 (X) νh_11/2 rotational band in ¹¹²I

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁸Ni, n3p), E=230 MeV; measured recoils, Eγ, Iγ, γγ-coin, level half-lives using a differential plunger device, and differential decay curve analysis using RITU for recoil separation, JUROGAM-II array for γ detection, and double-sided silicon strip detector for recoils at the K130 cyclotron facility of the University of Jyvaskyla. ¹¹²I; deduced high-spin levels, J, π, alignments, configurations. Comparison with previous experimental values.

doi: 10.1103/PhysRevC.98.044315
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2017AU05      Phys.Rev. C 95, 044311 (2017)

K.Auranen, J.Uusitalo, S.Juutinen, H.Badran, F.Defranchi Bisso, D.Cox, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, R.Julin, J.Konki, M.Leino, A.Lightfoot, M.Mallaburn, O.Neuvonen, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze

Experimental study of isomeric intruder 1/2⁺ states in ^{197, 203}At

NUCLEAR REACTIONS ¹⁵⁹Tb(⁴⁸Ca, 4n)²⁰³At, E=198 MeV; ¹⁶⁵Ho(³⁶Ar, 4n), E=173 MeV; measured Eγ, Iγ, γγ-coin, (recoil)(electron)γ(t), γ(θ), E(x ray), I(x ray), Eα, Iα, ce, half-life of 1/2+ isomer in ²⁰³At, recoil-decay and recoil-isomer decay tagging methods using RITU separator, GREAT spectrometer and JUROGAM II array at the K-130 cyclotron facility of Jyvaskyla. ^197,203At; deduced levels, J, π, 1/2+ states, conversion coefficients, multipolarities, configurations. Systematics of moment of inertia plots, and energies of 1/2+ to 15/2+ states in ^{195,197,199,201,203}At, ¹⁹⁸Rn, ¹⁹⁶Po, ^191,193Bi isotopes.

RADIOACTIVITY ¹⁹³Bi, ^{196,197,197m,198,202}Po, ^{196,197,197m,198,202,203,204}At(α)[from ¹⁵⁹Tb(⁴⁸Ca, 4n)²⁰³At, E=198 MeV and ¹⁶⁵Ho(³⁶Ar, 4n), E=173 MeV reactions]; observed α-spectra.

doi: 10.1103/PhysRevC.95.044311
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2017BA46      Phys.Rev. C 96, 064314 (2017)

H.Badran, C.Scholey, J.Uusitalo, K.Auranen, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, M.J.Mallaburn, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, M.Sandzelius, J.Saren, J.Sorri, S.Stolze

Decay spectroscopy of ¹⁷⁹₈₂Pb₉₇ and evidence for a 9/2^- intruder state in ¹⁷⁹₈₁Tl₉₈

RADIOACTIVITY ^179,179mTl(α)[from ¹⁰⁴Pd(⁷⁸Kr, 2np), E=358 MeV]; ^175,175mAu(α)[from ¹⁷⁹Tl α decay]; ¹⁷⁹Pb(α)[from ¹⁰⁴Pd(⁷⁸Kr, 3n), E=358 MeV]; ¹⁷⁵Hg(α)[from ¹⁷⁹Pb α decay]; measured production σ for ¹⁷⁹Pb, Eα, Iα, Eγ, Iγ, E(x rays), I(x rays), recoil-αγ-coin, recoil-αα-coin, recoil-α-α-α correlations using RITU separator and GREAT spectrometer at the accelerator laboratory of University of Jyvaskyla; deduced hindrance factors and α-reduced widths. ^179,179mTl, ¹⁷⁹Pb, ^175,175mAu, ¹⁷⁵Hg; deduced half-lives for decays. ¹⁷⁵Hg; deduced levels, J, π. ¹⁷⁹Pb; search for 13/2+ (νi_13/2) isomer in the 180-300 keV excitation range proved negative. ¹⁷⁹Tl; deduced new (9/2-) isomer, γ-cascade, energy, half-life, γ-multipolarities from recoil-γ-α and recoil-ce-α correlations. Systematics of 9/2-, 3/2+, and 11/2- states relative to 1/2+ ground state in ^{177,179,181,183,185,187,189,191,193,195,197,199,201}Tl. ^178,179Au, ^174,176Pt, ^{176,177,178,179,180}Hg(α); observed α lines in recoil-α correlated spectrum vetoed by the gas counter (MWPC) and planar Ge detector.

doi: 10.1103/PhysRevC.96.064314
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2017KO02      Phys.Lett. B 764, 265 (2017)

J.Konki, J.Khuyagbaatar, J.Uusitalo, P.T.Greenlees, K.Auranen, H.Badran, M.Block, R.Briselet, D.M.Cox, M.Dasgupta, A.Di Nitto, Ch.E.Dullmann, T.Grahn, K.Hauschild, A.Herzan, R.-D.Herzberg, F.P.Hessberger, D.J.Hinde, R.Julin, S.Juutinen, E.Jager, B.Kindler, J.Krier, M.Leino, B.Lommel, A.Lopez-Martens, D.H.Luong, M.Mallaburn, K.Nishio, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, K.Rezynkina, P.Ruotsalainen, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze, B.Sulignano, Ch.Theisen, A.Ward, A.Yakushev, V.Yakusheva

Towards saturation of the electron-capture delayed fission probability: The new isotopes ²⁴⁰Es and ²³⁶Bk

RADIOACTIVITY ²⁴⁰Es(EC), (α), ²³⁶Bk(EC) [from ²⁰⁹Bi(³⁴S, 3n)²⁴⁰Es, E=174, 178 MeV]; measured decay products, Eα, Iα; deduced T_1/2, branching ratios, electron-capture delayed fission (ECDF) probability. Comparison with available data.

doi: 10.1016/j.physletb.2016.11.038
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2016BA60      Phys.Rev. C 94, 054301 (2016)

H.Badran, C.Scholey, K.Auranen, T.Grahn, P.T.Greenlees, A.Herzan, U.Jakobsson, R.Julin, S.Juutinen, J.Konki, M.Leino, M.Mallaburn, J.Pakarinen, P.Papadakis, J.Partanen, P.Peura, P.Rahkila, M.Sandzelius, J.Saren, J.Sorri, S.Stolze, J.Uusitalo

Confirmation of the new isotope ¹⁷⁸Pb

RADIOACTIVITY ¹⁷⁸Pb(α)[from ¹⁰⁴Pd(⁷⁸Kr, 4n), E=358 MeV using K-130 cyclotron at Jyvaskyla]; measured Eα, αα-correlations in the α decay chain ¹⁷⁸Pb -> ¹⁷⁴Hg -> ¹⁷⁰Pt -> ¹⁶⁶Os -> ¹⁶²W -> ¹⁵⁸Hf, half-life of ¹⁷⁸Pb decay; deduced Q(α), reduced width and hindrance factor. Comparison with theoretical calculations using the Coulomb and proximity potential model. Systematics of experimental and theoretical α-decay widths and spectroscopic factors for N=88-112, Z=78, 80, 82 nuclei. ^175,176Hg, ¹⁷⁷Tl, ^179mTl, ¹⁷⁹Pb(α); observed α peaks from contaminants.

doi: 10.1103/PhysRevC.94.054301
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2016DE29      Phys.Rev. C 94, 054311 (2016)

D.M.Debenham, M.A.Bentley, P.J.Davies, T.Haylett, D.G.Jenkins, P.Joshi, L.F.Sinclair, R.Wadsworth, P.Ruotsalainen, J.Henderson, K.Kaneko, K.Auranen, H.Badran, T.Grahn, P.Greenlees, A.Herzaan, U.Jakobsson, J.Konki, R.Julin, S.Juutinen, M.Leino, J.Sorri, J.Pakarinen, P.Papadakis, P.Peura, J.Partanen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, S.Stolze, J.Uusitalo, H.M.David, G.de Angelis, W.Korten, G.Lotay, M.Mallaburn, E.Sahin

Spectroscopy of ⁷⁰Kr and isospin symmetry in the T=1 fpg shell nuclei

NUCLEAR REACTIONS ⁴⁰Ca(³²S, 2n), E=88 MeV; measured Eγ, (recoil)βγ-correlated events, half-life of ⁷⁰Kr decay using JUROGAM II array at K130 cyclotron facility in Jyvaskyla. Recoil-β tagging method. ⁷⁰Kr; deduced levels, J, π, triplet energy differences (TED) and mirror energy differences (MED). Comparison with shell model calculations. Systematics of TED and MED in even A=66, 70, 74 and 78 fpg shell nuclei.

doi: 10.1103/PhysRevC.94.054311
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2016HO16      Phys.Rev. C 94, 034321 (2016)

D.Hodge, D.M.Cullen, M.J.Taylor, B.S.Nara Singh, L.S.Ferreira, E.Maglione, J.F.Smith, C.Scholey, P.Rahkila, T.Grahn, T.Braunroth, H.Badran, L.Capponi, A.Girka, P.T.Greenlees, R.Julin, J.Konki, M.Mallaburn, O.Nefodov, G.G.O'Neill, J.Pakarinen, P.Papadakis, J.Partanen, P.Ruotsalainen, M.Sandzelius, J.Saren, M.Smolen, J.Sorri, S.Stolze, J.Uusitalo

Deformation of the proton emitter ¹¹³CS from electromagnetic transition and proton-emission rates

NUCLEAR REACTIONS ⁵⁸Ni(⁵⁸Ni, 2np), E=230 MeV; measured Eγ, Iγ, proton-tagged γ spectra, Ep, Ip, half-life of ¹¹³Cs proton decay, level half-lives by recoil-decay-tagged differential-plunger combined with differential decay curve method (DDCM) using RITU separator, JUROGAM-II array and GREAT spectrometer at Jyvaskyla K130 cyclotron facility. Recoil-decay tagging method. ¹¹³Cs; deduced levels, J, B(E2), deformation of the proton-emitting ground state. Nonadiabatic quasiparticle model calculations.

doi: 10.1103/PhysRevC.94.034321
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2016JA07      Yuan.Wul.Ping. 33, 141 (2016); Nucl.Phys.Rev. 33, 141 (2016)

U.Jakobsson, J.Uusitalo, K.Auranen, H.Badran, B.Cederwall, D.M.Cox, T.Grahn, P.T.Greenlees, R.Julin, S.Juutinen, A.Herzan, J.Konki, M.Leino, M.Mallaburn, J.Pakarinen, P.Papadakis, J.Partanen, P.Rahkila, M.Sandzelius, J.Saren, C.Scholey, J.Sorri, S.Stolze

Spectroscopy of Low-lying States in Odd-Z Odd-A Nuclei Beyond Lead

RADIOACTIVITY ^199,201At, ^203,205Fr(IT); measured decay products, Eγ, Iγ; deduced level energies, J, π.

doi: 10.11804/NuclPhysRev.33.02.141
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Note: The following list of authors and aliases matches the search parameter M.Mallaburn: , M.J.MALLABURN