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NSR database version of May 24, 2024.

Search: Author = R.G.Allatt

Found 14 matches.

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1999HE32      Eur.Phys.J. A 6, 289 (1999)

K.Helariutta, J.F.C.Cocks, T.Enqvist, P.T.Greenlees, P.Jones, R.Julin, S.Juutinen, P.Jamsen, H.Kankaanpaa, H.Kettunen, P.Kuusiniemi, M.Leino, M.Muikku, M.Piiparinen, P.Rahkila, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo, R.G.Allatt, P.A.Butler, R.D.Page, M.Kapusta

Gamma-Ray Spectroscopy of 192-195Po

NUCLEAR REACTIONS 160Dy(36Ar, 4n), (36Ar, 2n), (36Ar, n), E=178, 196 MeV; 170Yb(28Si, 4n), (28Si, 3n), E=143 MeV; 171Yb(28Si, 5n), (28Si, 4n), E=155 MeV; 166Er(32S, 4n), E=172 MeV; measured prompt, delayed Eγ, Iγ, γγ-, (recoil)γ-coin. 192,193,194,195Po deduced levels, J, π, configurations, collective features. Level systematics of Po isotopes discussed. Mass separator, recoil decay tagging.

doi: 10.1007/s100500050347
Citations: PlumX Metrics

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1999LE36      Acta Phys.Pol. B30, 1245 (1999)

M.Leino, R.G.Allatt, A.N.Andreyev, J.F.C.Cocks, O.Dorvaux, T.Enqvist, K.Eskola, K.Helariutta, M.Huyse, P.M.Jones, R.Julin, S.Juutinen, H.Kankaanpaa, A.Keenan, H.Kettunen, P.Kuusiniemi, M.Muikku, R.D.Page, P.Rahkila, A.Savelius, W.H.Trzaska, J.Uusitalo, P.Van Duppen

Decay and In-Beam Studies of Neutron-Deficient Po and Ra Isotopes at JYFL


1999PA20      J.Phys.(London) G25, 771 (1999)

R.D.Page, R.G.Allatt, T.Enqvist, K.Eskola, P.T.Greenlees, P.Jones, R.Julin, P.Kuusiniemi, M.Leino, W.H.Trzaska, J.Uusitalo

Fine Structure in 192Po α-Decay and Shape Coexistence in 188Pb

RADIOACTIVITY 192Po(α) [from 160Dy(36Ar, 4n), E=172-184 MeV]; measured Eα, Iα(t), (ce)α-coin. 188Pb deduced levels, J, π, shape coexistence.

doi: 10.1088/0954-3899/25/4/033
Citations: PlumX Metrics


1999RE16      Phys.Rev. C60, 024311 (1999)

A.T.Reed, O.Tarasov, R.D.Page, D.Guillemaud-Mueller, Yu.E.Penionzhkevich, R.G.Allatt, J.C.Angelique, R.Anne, C.Borcea, V.Burjan, W.N.Catford, Z.Dlouhy, C.Donzaud, S.Grevy, M.Lewitowicz, S.M.Lukyanov, F.M.Marques, G.Martinez, A.C.Mueller, P.J.Nolan, J.Novak, N.A.Orr, F.Pougheon, P.H.Regan, M.G.Saint-Laurent, T.Siiskonen, E.Sokol, O.Sorlin, J.Suhonen, W.Trinder, S.M.Vincent

Radioactivity of Neutron-Rich Oxygen, Fluorine, and Neon Isotopes

RADIOACTIVITY 19B, 24O, 25,26,27,29F, 28,29,30Ne(β-) [from 36S fragmentation]; measured Eγ, Iγ, βγ-, βn-coin, T1/2, neutron emission probabilities; deduced log ft. 24F, 25,26Ne, 28,30Na deduced levels, possible J, π. Comparison with shell model calculations.

doi: 10.1103/PhysRevC.60.024311
Citations: PlumX Metrics


1998AL27      Phys.Lett. 437B, 29 (1998)

R.G.Allatt, R.D.Page, M.Leino, T.Enqvist, K.Eskola, P.T.Greenlees, P.Jones, R.Julin, P.Kuusiniemi, W.H.Trzaska, J.Uusitalo

Fine Structure in 192Po α-Decay and Shape Coexistence in 188Pb

RADIOACTIVITY 192Po(α) [from 160Dy(36Ar, 4n)]; measured α spectra; deduced branching, hindrance factors. 188Pb deduced levels, J, π, configurations.

doi: 10.1016/S0370-2693(98)00939-3
Citations: PlumX Metrics


1998ES02      Phys.Rev. C57, 417 (1998)

K.Eskola, P.Kuusiniemi, M.Leino, J.F.C.Cocks, T.Enqvist, S.Hurskanen, H.Kettunen, W.H.Trzaska, J.Uusitalo, R.G.Allatt, P.T.Greenlees, R.D.Page

α Decay of the New Isotope 206Ac

NUCLEAR REACTIONS 175Lu(36Ar, xnyp), E=5.5 MeV/nucleon; measured yields; deduced evidence for 206Ac. Gas-filled separator, α-α position and time correlation method.

RADIOACTIVITY 206Ac(α); measured Eα, T1/2; deduced isomeric levels. 207Ac(α); measured Eα, T1/2. Comparison with model predictions.

doi: 10.1103/PhysRevC.57.417
Citations: PlumX Metrics


1997EN10      Nucl.Instrum.Methods Phys.Res. B126, 344 (1997)

T.Enqvist, J.Uusitalo, S.Hurskanen, P.Kuusiniemi, M.Leino, W.H.Trzaska, K.Helariutta, P.Jones, R.Julin, S.Juutinen, A.Savelius, K.Eskola, R.G.Allatt, R.D.Page, V.Ninov, C.Stodel

Recent applications of the JYFL gas-filled recoil separator

RADIOACTIVITY 225,226U(α) [from 208Pb(24Mg, X), (22Ne, X)]; measured Eα, Iα, T1/2 of decays of 225,226U using RITU gas-filled separator at JYFL accelerator facility. Relevance to investigation of neutron-deficient isotopes between polonium and thorium, and discovery of new isotopes.

doi: 10.1016/S0168-583X(97)01093-8
Citations: PlumX Metrics


1997JU03      Acta Phys.Pol. B28, 269 (1997)

R.Julin, R.G.Allatt, P.A.Butler, K.J.Cann, J.F.C.Cocks, T.Enqvist, P.T.Greenlees, K.Helariutta, G.D.Jones, P.M.Jones, S.Juutinen, P.Jamsen, H.Kankaanpaa, P.Kuusiniemi, M.Leino, M.Muikku, R.D.Page, M.Piiparinen, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo

Studies of Neutron-Rich and Heavy Nuclei with the New In-Beam Facilities at JYFL

NUCLEAR REACTIONS 116Cd(84Kr, X), E=370 MeV; measured Eγ, Iγ, γγ-coin. 114,116Cd deduced levels, J, π. 170Yb(28Si, 4n), 160Dy(36Ar, 4n), E not given; measured recoil α-decay associated Eγ, Iγ, γγ-coin. 192,194Po deduced levels, J, π. 208Pb(18O, 4n), E=95 MeV; measured E(ce), I(ce), (ce)(ce)-coin. 222Th deduced levels, J, π.


1997JU04      Acta Phys.Hung.N.S. 6, 169 (1997)

R.Julin, K.Helariutta, P.Jones, S.Juutinen, H.Kankaanpaa, P.Kuusiniemi, M.Leino, M.Muikku, A.Savelius, W.Trzaska, J.Uusitalo, R.G.Allatt, P.A.Butler, J.F.C.Cocks, P.T.Greenlees, R.D.Page, J.Simpson, R.Lemmon

Probing Shapes of Very Neutron Deficient Z ≈ 82 Nuclei using the Recoil-Decay Tagging Method

NUCLEAR REACTIONS 160Dy(36Ar, 4n), E=178 MeV; 144Sm(36Ar, 4n), E=190 MeV; measured Eγ, Iγ, α-spectra following recoil decay, α-tagged (recoil)γ-coin.


1997LA13      Phys.Rev. C55, R2127 (1997)

G.J.Lane, D.B.Fossan, I.Thorslund, P.Vaska, R.G.Allatt, E.S.Paul, L.Kaubler, H.Schnare, I.M.Hibbert, N.O'Brien, R.Wadsworth, W.Andrejtscheff, J.deGraaf, J.Simpson, I.Y.Lee, A.O.Macchiavelli, D.J.Blumenthal, C.N.Davids, C.J.Lister, D.Seweryniak, A.V.Afanasjev, I.Ragnarsson

Identification of Excited States in Doubly Odd 110Sb: Smooth band termination

NUCLEAR REACTIONS 54Fe(59Co, n2p), E=230 MeV; measured Eγ, Iγ, γγ(θ). 56Fe(58Ni, n3p), E=240 MeV; measured Eγ, Iγ, γγ(θ), mass-gated γ-spectra, nγ-coin. 55Mn(58Ni, n2p), E=240 MeV; measured Eγ, Iγ, γγ(θ), γ(t). 110Sb deduced high-spin levels, J, π, T1/2, rotational bands, configurations, band termination features. Cranked Nilsson-Strutinsky calculations.

doi: 10.1103/PhysRevC.55.R2127
Citations: PlumX Metrics


1997UU01      Z.Phys. A358, 375 (1997)

J.Uusitalo, M.Leino, R.G.Allatt, T.Enqvist, K.Eskola, P.T.Greenlees, S.Hurskanen, A.Keenan, H.Kettunen, P.Kuusiniemi, R.D.Page, W.H.Trzaska

Alpha Decay of the New Isotope 174Hg

RADIOACTIVITY 174Hg(α) [from 144Sm(36Ar, 6n), E=180-230 MeV]; measured Eα, Iα, T1/2, (α)(α)-coin; deduced 174Hg decay. 170Pt(α) [from 174Pt(α-decay)]; 175Hg(α) [from 144Sm(36Ar, 5n), E=180-230 MeV]; 171Pt(α) [from 175Hg(α-decay)]; measured Eα, T1/2.

NUCLEAR REACTIONS, ICPND 144Sm(36Ar, 6n), (36Ar, 5n), (36Ar, 4n), (36Ar, 3n), E=180-230 MeV; measured Eα, Iα following recoil separation; deduced residuals production σ. Gas-filled recoil separator.

doi: 10.1007/s002180050342
Citations: PlumX Metrics


1996HE22      Phys.Rev. C54, R2799 (1996)

K.Helariutta, T.Enqvist, P.Jones, R.Julin, S.Juutinen, P.Jamsen, H.Kankaanpaa, P.Kuusiniemi, M.Leino, M.Muikku, M.Piiparinen, A.Savelius, W.H.Trzaska, S.Tormanen, J.Uusitalo, R.G.Allatt, P.A.Butler, P.T.Greenlees, R.D.Page

First Observation of Excited States in 192Po

NUCLEAR REACTIONS 160Dy(36Ar, 4n), E=178 MeV; measured Eα, Iα, Eγ, Iγ, (recoil)γ-coin. 192Po deduced levels, possible J, π, band structure.

doi: 10.1103/PhysRevC.54.R2799
Citations: PlumX Metrics


1996KA43      Z.Phys. A356, 235 (1996)

L.Kaubler, H.Schnare, D.B.Fossan, A.V.Afanasjev, W.Andrejtscheff, R.G.Allatt, J.DeGraaf, H.Grawe, I.M.Hibbert, I.Y.Lee, A.D.Macchiavelli, N.O'Brien, K.-H.Maier, E.S.Paul, H.Prade, I.Ragnarsson, J.Reif, R.Schubart, R.Schwengner, I.Thorslund, P.Vaska, R.Wadsworth, G.Winter

Collective Structures and Smooth Band Termination in 109Sn

NUCLEAR REACTIONS 54Fe(59Co, n3p), E=230 MeV; measured γγγ-coin, energy correlations. 109Sn deduced high-spin levels, J, π, band structure, dynamic moments of inertia.

doi: 10.1007/s002180050173
Citations: PlumX Metrics


1996LE09      Z.Phys. A355, 157 (1996)

M.Leino, J.Uusitalo, R.G.Allatt, P.Armbruster, T.Enqvist, K.Eskola, S.Hofmann, S.Hurskanen, A.Jokinen, V.Ninov, R.D.Page, W.H.Trzaska

Alpha Decay Studies of Neutron-Deficient Radium Isotopes

NUCLEAR REACTIONS 175Lu(35Cl, xn), E=157-199 MeV; 170,171Yb(40Ar, xn), E=214-224 MeV; 170,171Yb(36Ar, xn), E=190, 196 MeV; measured Eα, Iα; deduced evidence for 207,206,205,204,203,202Ra.

RADIOACTIVITY 207,206,205,204,203,203m,202Ra(α) [from 175Lu(35Cl, xn), E=157-199 MeV; 170,171Yb(40Ar, xn), E=214-224 MeV; 170,171Yb(36Ar, xn), E=190, 196 MeV]; measured Eα, Iα, T1/2.

doi: 10.1007/s002180050093
Citations: PlumX Metrics


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