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NSR database version of May 10, 2024.

Search: Author = A.Steer

Found 15 matches.

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2014GR10      Phys.Rev.Lett. 113, 092501 (2014)

E.Grodner, A.Gadea, P.Sarriguren, S.M.Lenzi, J.Grebosz, J.J.Valiente-Dobon, A.Algora, M.Gorska, P.H.Regan, D.Rudolph, G.de Angelis, J.Agramunt, N.Alkhomashi, L.Amon Susam, D.Bazzacco, J.Benlliure, G.Benzoni, P.Boutachkov, A.Bracco, L.Caceres, R.B.Cakirli, F.C.L.Crespi, C.Domingo-Pardo, M.Doncel, Zs.Dombradi, P.Doornenbal, E.Farnea, E.Ganioglu, W.Gelletly, J.Gerl, A.Gottardo, T.Huyuk, N.Kurz, S.Leoni, D.Mengoni, F.Molina, A.I.Morales, R.Orlandi, Y.Oktem, R.D.Page, D.Perez, S.Pietri, Zs.Podolyak, A.Poves, B.Quintana, S.Rinta-Antila, B.Rubio, B.S.Nara Singh, A.N.Steer, S.Verma, R.Wadsworth, O.Wieland, H.J.Wollersheim

Hindered Gamow-Teller Decay to the Odd-Odd N=Z 62Ga: Absence of Proton-Neutron T=0 Condensate in A=62

RADIOACTIVITY 62Ge(EC) [from 9Be(78Kr, X), E=750 MeV/nucleon]; measured decay products, Eγ, Iγ; deduced T1/2, energy levels, J, π, Gamow-Teller strength B(GT). Comparison with ISM using KB3G interaction and QRPA approaches.

doi: 10.1103/PhysRevLett.113.092501
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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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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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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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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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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


2007HU03      Phys.Rev.Lett. 98, 072501 (2007)

A.M.Hurst, P.A.Butler, D.G.Jenkins, P.Delahaye, F.Wenander, F.Ames, C.J.Barton, T.Behrens, A.Burger, J.Cederkall, E.Clement, T.Czosnyka, T.Davinson, G.de Angelis, J.Eberth, A.Ekstrom, S.Franchoo, G.Georgiev, A.Gorgen, R.-D.Herzberg, M.Huyse, O.Ivanov, J.Iwanicki, G.D.Jones, P.Kent, U.Koster, T.Kroll, R.Krucken, A.C.Larsen, M.Nespolo, M.Pantea, E.S.Paul, M.Petri, H.Scheit, T.Sieber, S.Siem, J.F.Smith, A.Steer, I.Stefanescu, N.U.H.Syed, J.Van de Walle, P.Van Duppen, R.Wadsworth, N.Warr, D.Weisshaar, M.Zielinska

Measurement of the Sign of the Spectroscopic Quadrupole Moment for the 2+1 State in 70Se: No Evidence for Oblate Shape

NUCLEAR REACTIONS 104Pd(70Se, 70Se'), E=206 MeV; measured Eγ, Iγ, (particle)γ-coin following projectile Coulomb excitation. 70Se deduced prolate deformation.

doi: 10.1103/PhysRevLett.98.072501
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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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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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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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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, T1/2. Recoil-decay tagging.

doi: 10.1088/0031-8949/2006/T125/016
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2006JO10      Phys.Lett. B 641, 34 (2006)

D.T.Joss, I.G.Darby, R.D.Page, J.Uusitalo, S.Eeckhaudt, T.Grahn, P.T.Greenlees, P.M.Jones, R.Julin, S.Juutinen, S.Ketelhut, M.Leino, A.-P.Leppanen, M.Nyman, J.Pakarinen, P.Rahkila, J.Saren, C.Scholey, A.Steer, A.J.Cannon, P.D.Stevenson, J.S.Al-Khalili, S.Erturk, M.Venhart, B.Gall, B.Hadinia, J.Simpson

Probing the limit of nuclear existence: Proton emission from 159Re

NUCLEAR REACTIONS 106Cd(58Ni, 4np), E=300 MeV; measured Eα, Iα, Ep, Ip, (recoil)α-coin following residual nucleus decay. Recoil-decay correlation technique.

RADIOACTIVITY 159Re(p) [from 106Cd(58Ni, 4np)]; measured Ep, T1/2; deduced ground-state configuration.

doi: 10.1016/j.physletb.2006.08.014
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2006ST14      Nucl.Instrum.Methods Phys.Res. A565, 630 (2006)

A.N.Steer, D.G.Jenkins, R.Glover, B.S.Nara Singh, N.S.Pattabiraman, R.Wadsworth, S.Eeckhaudt, 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, I.G.Darby, R.-D.Herzberg, D.T.Joss, R.D.Page, J.Thomson, R.Lemmon, J.Simpson, B.Blank

Recoil-beta tagging: A novel technique for studying proton-drip-line nuclei

NUCLEAR REACTIONS 40Ca(36Ar, np), E=103 MeV; measured Eγ, Iγ, γγ-, (recoil)γ-coin. 74Rb deduced transitions. Recoil-beta tagging, mass separator.

RADIOACTIVITY 74Rb(β+) [from 40Ca(36Ar, np)]; measured Eβ.

doi: 10.1016/j.nima.2006.06.034
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Note: The following list of authors and aliases matches the search parameter A.Steer: , A.N.STEER