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NSR database version of April 26, 2024.

Search: Author = C.Gray-Jones

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2016CA15      Phys.Rev. C 93, 034307 (2016)

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

Excited states in the proton-unbound nuclide ¹⁵⁸Ta

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

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

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

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

Multiparticle configurations of excited states in ¹⁵⁵Lu

NUCLEAR REACTIONS ¹⁰²Pd(⁵⁸Ni, pα)¹⁵⁵Lu/¹⁵⁶Lu/¹⁵⁷Lu/¹⁵⁶Hf/¹⁵⁷Hf/¹⁵⁷Ta/¹⁵⁸Ta/¹⁵⁹Ta/¹⁵⁸W, E=255 MeV; measured reaction products, Eγ, Iγ, delayed γ, (recoils)(α)γγ-coin using RITU separator, JUROGAM array and GREAT spectrometer at Jyvaskyla Accelerator Laboratory. Recoil-decay tagging (RDT) technique. ¹⁵⁵Lu; deduced levels, J, π, multipolarity, configurations, anti-aligned 1+ interaction between h_11/2 protons and h_9/2 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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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, T_1/2. Comparison with available data.

doi: 10.5506/APhysPolB.46.695
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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 T_1/2, α-decay branch. Comparison with available data.

doi: 10.1103/PhysRevLett.112.092501
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2011VE03      Eur.Phys.J. A 47, 20 (2011)

M.Venhart, F.P.Hessberger, D.Ackermann, S.Antalic, C.Gray-Jones, P.T.Greenlees, S.Heinz, R.-D.Herzberg, S.Hofmann, S.Ketelhut, B.Kindler, I.Kojouharov, M.Leino, B.Lommel, R.Mann, P.Papadakis, D.Rostron, D.Rudolph, S.Saro, B.Sulignano

Decay study of ²⁴⁶Fm at SHIP

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁰Ar, 2n), E=186.4 MeV; measured E(particle), I(particle, θ), Eα, Iα(t), E(CE), I(CE), Eγ, Iγ, X-rays, αβ-coin, αγ-coin, (ER)α-coin, (fragment)γ-coin. ²⁴⁶Fm calculated two-quasineutron levels, J, π using Woods-Saxon and self-consistent mean field with Gogny forces, T_1/2 for high-K states; deduced T_1/2, spontaneous fission T_1/2, α, SF, EC branching ratio, two-quasineutron levels. ²⁴²Cf deduced α, EC branching ratio.

doi: 10.1140/epja/i2011-11020-9
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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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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 T_1/2, J, π, level energies, multipolarities, branching ratios. Comparison with rotational model.

doi: 10.1140/epja/i2009-10855-9
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2009HU03      Phys.Lett. B 674, 168 (2009)

A.M.Hurst, C.Y.Wu, J.A.Becker, M.A.Stoyer, C.J.Pearson, G.Hackman, M.A.Schumaker, C.E.Svensson, R.A.E.Austin, G.C.Ball, D.Bandyopadhyay, C.J.Barton, A.J.Boston, H.C.Boston, R.Churchman, D.Cline, S.J.Colosimo, D.S.Cross, G.Demand, M.Djongolov, T.E.Drake, P.E.Garrett, C.Gray-Jones, K.L.Green, A.N.Grint, A.B.Hayes, K.G.Leach, W.D.Kulp, G.Lee, S.Lloyd, R.Maharaj, J.-P.Martin, B.A.Millar, S.Mythili, L.Nelson, P.J.Nolan, D.C.Oxley, E.Padilla-Rodal, A.A.Phillips, M.Porter-Peden, S.V.Rigby, F.Sarazin, C.S.Sumithrarachchi, S.Triambak, P.M.Walker, S.J.Williams, J.Wong, J.L.Wood

Narrowing of the neutron sd-pf shell gap in ²⁹Na

NUCLEAR REACTIONS ¹¹⁰Pd(²⁹Na, ²⁹Na'), E=70 MeV; measured Eγ, Iγ, (particle)γ-coin, charged-particle spectra following Coulomb excitation; deduced σ. ²⁹Na; deduced B(E2). Comparison with shell model.

doi: 10.1016/j.physletb.2009.03.017
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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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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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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 T_1/2, configurations. Gas-filled separator, recoil-decay tagging.

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

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

Isomer spectroscopy in ²⁵⁴No

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, 2n), E=219 MeV; measured delayed Eγ, Iγ, E(ce), I(ce), X-ray spectra, (recoil)γ-coin. ²⁵⁴No deduced isomeric states energies, J, π, T_1/2. Recoil-decay tagging.

doi: 10.1088/0031-8949/2006/T125/016
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