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NSR database version of May 10, 2024.

Search: Author = F.Johnston-Theasby

Found 16 matches.

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2011CE01      Nature(London) 469, 68 (2011)

B.Cederwall, F.Ghazi Moradi, T.Back, A.Johnson, J.Blomqvist, E.Clement, G.de France, R.Wadsworth, K.Andgren, K.Lagergren, A.Dijon, G.Jaworski, R.Liotta, C.Qi, B.M.Nyako, J.Nyberg, M.Palacz, H.Al-Azri, A.Algora, G.de Angelis, A.Atac, S.Bhattacharyya, T.Brock, J.R.Brown, P.Davies, A.Di Nitto, Zs.Dombradi, A.Gadea, J.Gal, B.Hadinia, F.Johnston-Theasby, P.Joshi, K.Juhasz, R.Julin, A.Jungclaus, G.Kalinka, S.O.Kara, A.Khaplanov, J.Kownacki, G.La Rana, S.M.Lenzi, J.Molnar, R.Moro, D.R.Napoli, B.S.Nara Singh, A.Persson, F.Recchia, M.Sandzelius, J.-N.Scheurer, G.Sletten, D.Sohler, P.-A.Soderstrom, M.J.Taylor, J.Timar, J.J.Valiente-Dobon, E.Vardaci, S.Williams

Evidence for a spin-aligned neutron-proton paired phase from the level structure of 92Pd

NUCLEAR REACTIONS 58Ni(36Ar, 2n), (36Ar, 2np), (36Ar, n2p), E=111 MeV; measured Eα, Iα, Ep, Ip, Eγ, Iγ, particle-γ coin. 92Pd; deduced level energies, J, π, spin-aligned, isoscalar neutron-proton coupling scheme. Comparison with shell-model calculations.

NUCLEAR STRUCTURE 92,94,96Pd; calculated ground-state wavefunctions, level energies, J, π, B(E2). Nuclear shell model.

doi: 10.1038/nature09644 Letter
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2011WA12      Phys.Lett. B 701, 306 (2011)

R.Wadsworth, I.Ragnarsson, B.G.Carlsson, H.-L.Ma, P.J.Davies, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.G.Sarantites, D.Seweryniak, C.E.Svensson, J.J.Valiente-Dobon

Evidence for shape coexistence at medium spin in 76Rb

NUCLEAR REACTIONS 40Ca(40Ca, n3p)76Rb, E=165 MeV; measured reaction products, Eγ, Iγ, γ-γ-γ-coin.; deduced rotational bands, energies, J, π, negative-parity bands, oblate and prolate shape coexistence. Cranked Nilsson-Strutinsky model calculations.

doi: 10.1016/j.physletb.2011.06.006
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2010DA19      Phys.Rev. C 82, 061303 (2010)

P.J.Davies, A.V.Afanasjev, R.Wadsworth, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.G.Jenkins, F.L.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, D.Ward

Evidence of nontermination of collective rotation near the maximum angular momentum in 75Rb

NUCLEAR REACTIONS 40Ca(40Ca, pα), E=165 MeV; measured Eγ, Iγ, γγ-coin, level half-lives with residual Doppler attenuation method using Gammasphere array. 75Kr; deduced transition quadrupole moments for two rotational bands from measured half-lives. Comparison with data for bands in 74Kr and 109Sb. Cranked Nilsson-Strutinsky (CNS) and cranked relativistic mean field (CRMF) calculations.

doi: 10.1103/PhysRevC.82.061303
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2008JO07      Phys.Rev. C 78, 034312 (2008)

F.Johnston-Theasby, A.V.Afanasjev, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, J.Greene, A.Gorgen, D.G.Jenkins, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.Sarantites, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, R.Wadsworth, D.Ward

Deformation of rotational structures in 73Kr and 74Rb: Probing the additivity principle at triaxial shapes

NUCLEAR REACTIONS 40Ca(40Ca, n2pα), (40Ca, npα), E=165 MeV; measured Eγ, Iγ, electric quadrupole moments, half-lives using residual doppler shift method. 73Kr, 74Rb; deduced levels, J, π, bands, transition quadrupole moments, configurations. Comparisons with cranked Nilsson-Strutinsky and relativistic mean-field calculations.

doi: 10.1103/PhysRevC.78.034312
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2008VA03      Phys.Rev. C 77, 024312 (2008)

J.J.Valiente-Dobon, C.E.Svensson, A.V.Afanasjev, I.Ragnarsson, C.Andreoiu, D.E.Appelbe, R.A.E.Austin, G.C.Ball, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, D.Dashdorj, P.Fallon, S.J.Freeman, P.E.Garrett, A.Gorgen, G.F.Grinyer, D.F.Hodgson, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, N.S.Kelsall, A.O.Macchiavelli, D.Mengoni, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.C.Waddington, R.Wadsworth, D.Ward

Low-spin lifetime measurements in 74Kr

NUCLEAR REACTIONS 40Ca(40Ca, 2pα), E=165 MeV; measured Eγ, Iγ, half-lives, transition quadrupole moments. 74Kr; deduced excitation energies, rotational bands.

doi: 10.1103/PhysRevC.77.024312
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2007AN12      Phys.Rev. C 75, 041301 (2007); Erratum Phys.Rev. C 75, 049901 (2007)

C.Andreoiu, C.E.Svensson, A.V.Afanasjev, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, J.Greene, G.F.Grinyer, A.Gorgen, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Machiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.G.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.J.Valiente-Dobon, R.Wadsworth

High-spin lifetime measurements in the N = Z nucleus 72Kr

NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 72Kr deduced high-spin levels, J, π, T1/2. Gammasphere, Microball arrays. Doppler shift attenuation method, compared results to isovector mean field theory calculations.

doi: 10.1103/PhysRevC.75.041301
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2007AN21      Phys.Rev. C 76, 014307 (2007)

K.Andgren, E.Ganioglu, B.Cederwall, R.Wyss, S.Bhattacharyya, J.R.Brown, G.de Angelis, G.de France, Zs.Dombradi, J.Gal, B.Hadinia, A.Johnson, F.Johnston-Theasby, A.Jungclaus, A.Khaplanov, J.Kownacki, K.Lagergren, G.La Rana, J.Molnar, R.Moro, B.S.Nara Singh, J.Nyberg, M.Sandzelius, J.-N.Scheurer, G.Sletten, D.Sohler, J.Timar, M.Trotta, J.J.Valiente-Dobon, E.Vardaci, R.Wadsworth, S.Williams

Low-spin collective behavior in the transitional nuclei 86, 88Mo

NUCLEAR REACTIONS 58Ni(36Ar, X)86/88Mo, E=111 MeV; measured Eγ, Iγ, γγ-coinc. 86,88Mo deduced levels, J, π.

doi: 10.1103/PhysRevC.76.014307
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2007DA04      Phys.Rev. C 75, 011302 (2007)

P.J.Davies, A.V.Afanasjev, R.Wadsworth, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, D.G.Jenkins, F.L.Johnston-Theasby, P.Joshi, A.O.Macchiavelli, F.Moore, G.Mukherjee, W.Reviol, D.Sarantites, D.Seweryniak, M.B.Smith, C.E.Svensson, J.J.Valiente-Dobon, D.Ward

Identification of the g9/2 proton and neutron band crossing in the N = Z nucleus 76Sr

NUCLEAR REACTIONS 40Ca(40Ca, 2n2p), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin. 76Sr deduced high-spin levels, J, π, configurations. Gammasphere, Microball arrays, comparison with model predictions.

doi: 10.1103/PhysRevC.75.011302
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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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2006AN35      Phys.Scr. T125, 127 (2006)

C.Andreoiu, C.E.Svensson, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, A.O.Machiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.G.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.J.Valiente-Dobon, R.Wadsworth

Lifetime measurements in N=Z 72Kr

NUCLEAR REACTIONS 40Ca(40Ca, 2α), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 72Kr deduced high-spin levels, J, π, configurations, transition quadrupole moments, T1/2. Gammasphere, Microball arrays.

doi: 10.1088/0031-8949/2006/T125/029
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2005GO15      Acta Phys.Pol. B36, 1281 (2005)

A.Gorgen, E.Clement, E.Bouchez, A.Chatillon, W.Korten, Y.Le Coz, Ch.Theisen, C.Andreoiu, F.Becker, B.Blank, A.Burger, P.Butler, J.M.Casandjian, W.Catford, T.Czosnyka, P.Davies, S.P.Fox, G.de France, G.Georgiev, J.Gerl, H.Hubel, J.Iwanicki, D.G.Jenkins, F.Johnston-Theasby, P.Joshi, I.Matea, P.Napiorkowski, F.de Oliveira Santos, G.Sletten, C.Timis, R.Wadsworth, M.Zielinska

Shape coexistence in light Krypton isotopes

NUCLEAR REACTIONS 208Pb(74Kr, 74Kr'), (76Kr, 76Kr'), E=4.5 MeV/nucleon; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 74,76Kr deduced levels, J, π, quadrupole moments. 208Pb(72Ge, 72Ge'), E not given; measured Eγ, Iγ, E(ce), I(ce), (particle)γ-coin following projectile Coulomb excitation. 72Ge deduced transitions. Exogam array.


2005PA42      Phys.Rev. C 72, 011304 (2005)

J.Pakarinen, I.G.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.T.Greenlees, V.Hellemans, K.Heyde, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, 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

Evidence for oblate structure in 186Pb

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 186Pb deduced levels, J, π, oblate deformation. Jurogam array, recoil-decay tagging, interacting boson model calculations.

doi: 10.1103/PhysRevC.72.011304
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2005PA69      Eur.Phys.J. A 25, Supplement 1, 449 (2005)

J.Pakarinen, I.Darby, S.Eeckhaudt, T.Enqvist, T.Grahn, P.Greenlees, F.Johnston-Theasby, P.Jones, R.Julin, S.Juutinen, H.Kettunen, M.Leino, A.-P.Leppanen, P.Nieminen, M.Nyman, R.Page, P.Raddon, P.Rahkila, C.Scholey, J.Uusitalo, R.Wadsworth

Probing the three shapes in 186Pb using in-beam γ-ray spectroscopy

NUCLEAR REACTIONS 106Pd(83Kr, 3n), E=355 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin; deduced production σ. 186Pb deduced levels, J, π, deformation. Jurogam array, recoil-decay tagging.

doi: 10.1140/epjad/i2005-06-058-4
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2005VA09      Phys.Rev. C 71, 034311 (2005)

J.J.Valiente-Dobon, C.E.Svensson, C.D.O'Leary, I.Ragnarsson, C.Andreoiu, D.E.Appelbe, R.A.E.Austin, G.C.Ball, J.A.Cameron, M.P.Carpenter, R.M.Clark, M.Cromaz, D.Dashdorj, P.Fallon, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, G.F.Grinyer, D.F.Hodgson, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, N.S.Kelsall, A.O.Macchiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, J.C.Waddington, R.Wadsworth, D.Ward, S.J.Williams

High-spin rotational structures in 76Kr

NUCLEAR REACTIONS 40Ca(40Ca, 4p), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 76Kr deduced high-spin levels, J, π, T1/2, transition quadrupole moments, configurations. Gammasphere, Microball arrays, comparison with cranked mean-field model predictions.

doi: 10.1103/PhysRevC.71.034311
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2005VA18      Acta Phys.Pol. B36, 1339 (2005)

J.J.Valiente-Dobon, C.E.Svensson, C.D.O'Leary, I.Ragnarsson, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, P.Finlay, S.J.Freeman, P.E.Garrett, A.Gorgen, J.Greene, G.F.Grinyer, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, N.S.Kelsall, A.O.Macchiavelli, F.Moore, G.Mukherjee, A.A.Phillips, W.Reviol, D.Sarantites, M.A.Schumaker, D.Seweryniak, M.B.Smith, R.Wadsworth, D.Ward

Lifetimes of High-spin states in 76Kr

NUCLEAR REACTIONS 40Ca(40Ca, 4p), E=165 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-coin, DSA. 76Kr deduced high-spin levels, J, π, T1/2, configurations. Gammasphere, Microball arrays.


2005VA30      Phys.Rev.Lett. 95, 232501 (2005)

J.J.Valiente-Dobon, T.Steinhardt, C.E.Svensson, A.V.Afanasjev, I.Ragnarsson, C.Andreoiu, R.A.E.Austin, M.P.Carpenter, D.Dashdorj, G.de Angelis, F.Donau, J.Eberth, E.Farnea, S.J.Freeman, A.Gadea, P.E.Garrett, A.Gorgen, G.F.Grinyer, B.Hyland, D.Jenkins, F.Johnston-Theasby, P.Joshi, A.Jungclaus, K.P.Lieb, A.O.Macchiavelli, E.F.Moore, G.Mukherjee, D.R.Napoli, A.A.Phillips, C.Plettner, W.Reviol, D.Sarantites, H.Schnare, M.A.Schumaker, R.Schwengner, D.Seweryniak, M.B.Smith, I.Stefanescu, O.Thelen, R.Wadsworth

Evidence for Nontermination of Rotational Bands in 74Kr

NUCLEAR REACTIONS 40Ca(40Ca, 2pα), E=165, 185 MeV; measured Eγ, Iγ, γγ-, (charged particle)γ-, (neutron)γ-coin, DSA. 74Kr deduced high-spin levels, J, π, T1/2, transition quadrupole moments, configurations, nontermination of rotational bands. Euroball III, ISIS, Gammasphere, and Microball arrays.

doi: 10.1103/PhysRevLett.95.232501
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Note: The following list of authors and aliases matches the search parameter F.Johnston-Theasby: , F.L.JOHNSTON-THEASBY