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Search: Author = V.Berg

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1986BE07      Nucl.Phys. A453, 93 (1986)

V.Berg, J.Oms, K.Fransson, Z.Hu, and the ISOCELE Collaboration

Half-Life and Electromagentic Deexcitation Rate Measurements for (1/2)⁺ and (3/2)⁺ States in Odd-Proton Nuclei around Z = 82

RADIOACTIVITY ²⁰¹Po(EC), (β⁺), ^203,205,207Po(EC), (β⁺), (α), ¹⁹¹Hg(EC), (β⁺) [from Bi(p, xn) and Au(p, xn), E=200 MeV, mass separation]; measured (ce)(ce)(t), ceγ(t). ^{201,203,205,207}Bi, ^187,191Au deduced T_1/2, δ, B(λ). Plastic scintillators, double magnetic spectrometer.

doi: 10.1016/0375-9474(86)90031-X
Citations: PlumX Metrics

1985AB03      Nucl.Phys. A437, 324 (1985)

M.C.Abreu, V.Berg, K.Fransson, A.Hoglund, J.Oms, M.G.Porquet, and the ISOCELE Collaboration

Half-Life Measurements in Doubly-Odd ^186,188,190Au Nuclei and the ¹⁸⁸Hg → Au Decay

RADIOACTIVITY ¹⁸⁸Hg(EC), (β⁺) [from Au(p, xn), E=200 MeV]; measured Eγ, Iγ, I(ce), γγ-, X-rayγ-coin, (ce)(ce)(t), (ce)γ(t); deduced log ft. ¹⁸⁸Au deduced levels, J, π, T_1/2, ICC, γ multipolarity, B(λ). ^185,186,187Hg(EC), (β⁺), (α); ¹⁹⁰Hg(EC) [from Au(p, xn), E=200 MeV]; ^189,191Tl(EC), (β⁺) [from Au(³He, xn)]; measured I(ce), (ce)(ce)(t), (ce)γ(t). ^{185,186,187,190}Au, ^189,191Hg levels deduced T_1/2, γ multipolarity, B(λ). Hyperpure Ge, Ge(Li), Si-Li, plastic scintillator detectors, magnetic spectrometer, spectograph.

doi: 10.1016/0375-9474(85)90093-4
Citations: PlumX Metrics

1983BE17      Nucl.Phys. A399, 119 (1983)

V.Berg, J.Oms, M.C.Abreu, K.Fransson, H.Zhaomin, and the ISOCELE Collaboration

Half-Life Measurements of Excited Levels in ^157,159,161Er

RADIOACTIVITY ^157,159,161Tm [from Er(p, xn), E=200 MeV, mass sepration]; measured (ce)(ce)(t), ceγ(t). ^157,159,161Er levels deduced T_1/2, B(M1), B(E1), B(E2). Plastic scintillators, magnetic spectrometer.

doi: 10.1016/0375-9474(83)90597-3
Citations: PlumX Metrics

1983BE48      Nucl.Phys. A410, 445 (1983)

V.Berg, Z.Hu, J.Oms, C.Ekstrom, and the ISOCELE Collaboration

Transition Rates between Negative-Parity States in Odd-Mass Gold Nuclei

RADIOACTIVITY ^185,187Hg(EC), (β⁺), (α) [from Au(p, xn), E=200 MeV, mass separation]; measured (ce)(ce)(t), (ce)γ(t). ^185,187Au levels deduced T_1/2, B(M1), B(E2). Plastic scintillators, magnetic spectrometer. Generalized particle-plus-asymmetric-rotor model calculations.

doi: 10.1016/0375-9474(83)90637-1
Citations: PlumX Metrics

1980AB10      Nucl.Phys. A349, 301 (1980)

M.C.Abreu, V.Berg, J.Oms, K.Heyde, M.Waroquier, P.Van Isacker, G.Wenes, and the ISOCELE Collaboration

Transition Probabilities between the First Excited State and the Ground State in the N=81 Nuclei ¹³⁹Ce, ¹⁴¹Nd, ¹⁴³Sm and ¹⁴⁵Gd

RADIOACTIVITY ¹⁴³Eu [from Gd(p, xn2p); mass separation]; measured I(ce), ceγ(t). ¹⁴³Sm level deduced T_1/2, γ-multipolarity, δ, B(M1), B(E2). Natural target, magnetic spectrometer, scintillation detector. Intermediate coupling calculations, N=81 systematics.

doi: 10.1016/0375-9474(80)90289-4
Citations: PlumX Metrics

1979BE51      Nucl.Phys. A332, 397 (1979)

A.Ben Braham, V.Berg, C.Bourgeois, P.Kilcher, J.Letessier, M.G.Desthuilliers-Porquet, C.Schuck, A.Huck, A.Knipper, C.Richard-Serre, A.Hoglund, and the ISOLDE and ISOCELE Collaborations

Etude de la Desintegration Radioactive de ¹⁸⁷Au: Existence de Transitions E0 dans ¹⁸⁷Pt < question >

RADIOACTIVITY ¹⁸⁷Au [from Au(p, xn), Pt(p, xn), Pb(p, 3pxn), 'on-line' mass-separation]; measured Eγ, Iγ, I(ce), ICC, γX-coin, ceγ-coin, γce(t), (ce)(ce)(t). ¹⁸⁷Pt deduced levels, J, π, T_1/2, multipolarities. Ge(Li), HPGe, Si(Li), magnetic spectrograph.

doi: 10.1016/0375-9474(79)90010-1
Citations: PlumX Metrics

1979BE62      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 918 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.5, 16 (1979)

A.Ben Brakham, V.Berg, C.Bourgeois, P.Kilcher, Zh.Letese, M.Zh.Destui, C.Sebille-Schuck, A.Khyuk, A.Knipper, K.Rishar-Serr

E0 Transitions in ¹⁸⁷Pt

RADIOACTIVITY ¹⁸⁷Au [from Pt(p, xn), Au(p, xn)¹⁸⁷Hg(ϵ+β⁺), E=157 MeV, Pb(p, xnyp), E=600 MeV]; measured T_1/2, I(ce). ¹⁸⁷Pt deduced E0 transitions, γ-multipole mixing, ICC. Mass-separated sources. Gerholm double beta spectrometer.

1979SC20      Nucl.Phys. A325, 421 (1979)

C.Schuck, J.Genevey-Rivier, V.Berg, A.Knipper, G.Walter, C.Richard-Serre, A.Hoglund

The Levels of ¹⁸⁵Ir Populated in the Decay of ^185m,185gPt

RADIOACTIVITY ^185m,185Pt [from Pb(p, 3pxn) Hg → Au → Pt, mass separated]; measured Eγ, Iγ, γγ-coin, γce(t), (ce)(ce)(t); deduced ICC. ¹⁸⁵Ir deduced levels, J, π, T_1/2, δ, B(M1), B(E2). Ge(Li), Si(Li), magnetic spectrometers.

doi: 10.1016/0375-9474(79)90025-3
Citations: PlumX Metrics

1978BO05      Nuclear Phys. A295, 424 (1978)

C.Bourgeois, P.Kilcher, J.Letessier, V.Berg, M.G.Desthuilliers

Etude par Spectroscopie 'en Ligne' des Etats d'Energie de ¹⁸⁷Au: Interpretation en Termes de Deformations Nucleaires Triaxiales

RADIOACTIVITY ¹⁸⁷Hg [from Au(p, xn)Hg, on-line mass-separated]; measured Eγ, Iγ, E(ce), I(ce), γγ-coin, γce(t). ¹⁸⁷Au deduced levels, J, π, T_1/2, multipolarities. Ge(Li), se(Li), magnetic spectrometer, magnetic spectrograph.

doi: 10.1016/0375-9474(78)90184-7
Citations: PlumX Metrics

1976BO04      J.Phys.(Paris) 37, 49 (1976)

C.Bourgeois, M.Bouet, A.Caruette, A.Ferro, R.Foucher, J.Fournet, A.Hoglund, L.Kotfila, G.Landois, C.F.Liang, B.Merlant, J.Obert, A.Peghaire, J.C.Putaux, J.L.Sarrouy, W.Watzig, A.Wojtasiewicz, V.Berg

¹⁸⁸Hg, Cas Limite des Noyaux Critiques

RADIOACTIVITY ¹⁸⁸Tl; measured Eγ, Iγ, I(ce), γce-coin, γγ-coin, γγ(θ). ¹⁸⁸Hg deduced ICC. ¹⁸⁸Hg deduced levels, J, π, λ, K.

doi: 10.1051/jphys:0197600370204900
Citations: PlumX Metrics

1976BO49      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2114 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 74 (1976)

C.Bourgeois, V.Berg, R.Foucher, J.P.Husson, R.Kilcher, J.Letessier, M.A.Deleplanque, K.Gersel, N.Perrin, B.Ader, M.J.Desthuilliers, K.F.Liang, A.Peger, R.Bereau, A.Hoglund, W.Watzig, A.Voitasevich, M.Ishihara

Competition of the Nuclear Shape in Hg, Au, and Pt Isotopes Near A = 186

NUCLEAR STRUCTURE ^186,188Hg, ¹⁸⁷Au, ^189,191,193Au, ^185,187Pt; analyzed data, calculated nuclear shape competition.

1975BE17      Nucl.Phys. A244, 462 (1975)

V.Berg, R.Foucher, A.Hoglund

Quasi-Prolate and Quasi-Oblate Bands in Soft ¹⁸⁹Au

RADIOACTIVITY ^189m,189Hg [from Pb(p, xn3p), mass separated]; measured Eγ, Iγ, E(ce), I(ce), T_1/2, ICC, γγ-coin, ceγ-coin, γce-delay. ¹⁸⁹Au deduced levels, J, π, T_1/2, multipolarities, B(M1), B(E1), B(E2). Ge(Li), Si(Li), magnetic spectrometer.

doi: 10.1016/0375-9474(75)90552-7
Citations: PlumX Metrics

1975BE29      J.Phys.(Paris) 36, 613 (1975)

V.Berg, C.Bourgeois, R.Foucher

Some Features of Odd Au Nuclei Revealed by Half-Life Measurements

RADIOACTIVITY ¹⁹³Hg; measured ceγ(t). ¹⁹³Au level deduced T_1/2.

doi: 10.1051/jphys:01975003607-8061300
Citations: PlumX Metrics

1975DE20      Nucl.Phys. A249, 366 (1975)

M.A.Deleplanque, C.Gerschel, N.Perrin, V.Berg

Coexistence des Formes Allongee et Aplatie dans ¹⁸⁹Au

NUCLEAR REACTIONS ¹⁸¹Ta(¹²C, 4n), E=70-85 MeV; measured Eγ, Iγ, σ(E, Eγ), Iγ(θ), γγ-coin, delayed γ. ¹⁸⁹Au deduced levels, J, π, T_1/2, ICC, λ.

doi: 10.1016/0375-9474(75)90193-1
Citations: PlumX Metrics

1975DE21      J.Phys. (Paris), Lett. 36, L-205 (1975)

M.A.Deleplanque, C.Gerschel, M.Ishihara, N.Perrin, V.Berg, C.Bourgeois, M.G.Desthuilliers, J.P.Husson, P.Kilcher, J.Letessier

Coexistence de Forme dans le Noyau ¹⁸⁷Au

RADIOACTIVITY ¹⁸⁷Hg; measured Eγ, Iγ, I(ce), γγ(t), γce-coin; deduced ICC. ¹⁸⁷Au deduced levels, J, π, T_1/2, K.

NUCLEAR REACTIONS ¹⁷⁵Lu(¹⁶O, 4nγ), E=95 MeV; measured Eγ, Iγ, γ(θ), γγ(t). ¹⁸⁷Au deduced levels, T_1/2, λ, J, π, K. ¹⁷⁴Yb(¹⁶O, 4nγ), E=95 MeV; measured Eγ, Iγ, γ(θ). ¹⁸⁶Pt deduced transitions, λ.

doi: 10.1051/jphyslet:01975003609020500
Citations: PlumX Metrics

1973BE30      C.R.Acad.Sci., Ser.B 276, 761 (1973)

V.Berg, C.Bourgeois, N.Perrin

Charge Effective du Proton h₉/₂ dans le Polonium-210

RADIOACTIVITY ²¹⁰At; measured (ce)(ce)(t), Xce(t). ²¹⁰Po levels deduced T_1/2.

1973SE13      Nucl.Phys. A212, 45 (1973)

C.Sebille-Schuck, M.Finger, R.Foucher, J.P.Husson, J.Jastrzebski, V.Berg, S.G.Malmskog, G.Astner, B.R.Erdal, P.Patzelt, P.Siffert

The Decay of ¹⁸⁷Pt; Comparison of the Levels of ¹⁸⁷Ir with Those of Heavier Odd Mass Iridium Isotopes

RADIOACTIVITY ¹⁸⁷Pt [from Pb(p, 3pxn) Hg (EC) Au (EC) Pt; mass separated]; measured T_1/2, Eγ, Iγ, E(ce), I(ce), ICC, γγ-coin, (ce)(ce)- coin, γγ delay, γce delay, (ce)(ce)- delay. ¹⁸⁷Au; measured T_1/2. ¹⁸⁷Ir deduced levels, J, π, T_1/2, M1/E2 admixtures, B(M1), B(E1), B(E2). Ge(Li), Si(Li), magnetic spectrometers.

doi: 10.1016/0375-9474(73)90037-7
Citations: PlumX Metrics

1972AD07      C.R.Acad.Sci., Ser.B, 274, 900 (1972)

B.Ader, V.Berg, J.Letessier, H.Ohlsson

Probabilite de Transition dans le Tantale-177

RADIOACTIVITY ¹⁷⁷W; measured γce-delay. ¹⁷⁷Ta levels deduced T_1/2.

1972AS12      Phys.Scr. 5, 55 (1972)

G.Astner, V.Berg

Some E2 Rates in ²¹¹At

RADIOACTIVITY ²¹¹Rn; measured ceγ-delay, E(ce), I(ce). ²¹¹At levels deduced T_1/2, ICC, γ-multipolarity.

doi: 10.1088/0031-8949/5/1-2/008
Citations: PlumX Metrics

1972BA21      Nucl.Phys. A181, 76 (1972)

A.Backlin, G.Hedin, V.Berg, S.G.Malmskog

E2 and M1 Transition Probabilities between Low-Energy States in ¹⁸⁹Ir

RADIOACTIVITY ¹⁸⁹Pt; measured Eγ, Iγ, E(ce), I(ce), cece-delay. ¹⁸⁹Ir deduced γ-mixing, γ-branching, T_1/2, B(λ). Isotope-separated sources.

doi: 10.1016/0375-9474(72)90901-3
Citations: PlumX Metrics

1972BE77      J.Phys.(Paris) 33, 829 (1972)

V.Berg, J.Letessier, C.Bourgeois, R.Foucher

Mesures de Vies Moyennes d'Etats Excites dans les Lanthanes 135 et 133

RADIOACTIVITY ^133,135Ce; measured ceγ-, (ce)(ce)-delay. ^133,135La levels deduced T_1/2.

doi: 10.1051/jphys:019720033010082900
Citations: PlumX Metrics

1971BE54      Nucl.Phys. A175, 495 (1971)

V.Berg, A.Hoglund

The Decay of the 79.5 keV Level in ¹³⁴I

RADIOACTIVITY ¹³⁴Te[from ²³⁵U(n, F)]; measured Eγ, Iγ, γce- delay. ¹³⁴I deduced B(M1), B(E2), T_1/2. Ge(Li) detector.

doi: 10.1016/0375-9474(71)90444-1
Citations: PlumX Metrics

1971MA24      Nucl.Phys. A166, 573 (1971)

S.G.Malmskog, V.Berg, B.Fogelberg, A.Backlin

On the Low-Energy Band Structure in ¹⁸⁷Os

RADIOACTIVITY ¹⁸⁷Ir[from Pb(p, spallation)]; measured Eγ, Iγ, E(ce), I(ce), (ce)(ce)-delay. ¹⁸⁷Os deduced levels, T_1/2, J, π, ICC, multipolarities, partial half-lives. Isotope separated sources. Ge(Li) detectors.

doi: 10.1016/0375-9474(71)90907-9
Citations: PlumX Metrics

1970BA56      Nucl.Phys. A156, 647 (1970)

A.Backlin, V.Berg, S.G.Malmskog

Negative Parity States in Odd-Mass Ir and Au Nuclei

RADIOACTIVITY ¹⁹³Os[from ¹⁹²Os(n, γ)], ^191,189Pt, ¹⁹³Hg[from Pb(p, spallation)]; measured E(ce), I(ce), γγ-coin, cece-, γce-delay; deduced log ft. ¹⁹³Au, ^193,191,189Ir deduced levels, J, π, T_1/2, γ-multipolarity.

doi: 10.1016/0375-9474(70)90260-5
Citations: PlumX Metrics

1970BE06      Nucl.Phys. A143, 177 (1970)

V.Berg, S.G.Malmskog, A.Backlin

The Level Structure in ¹⁹³Ir

RADIOACTIVITY ¹⁹³Os[from ¹⁹²Os(n, γ)]; measured Eγ, Iγ, E(ce), I(ce), cece-delay; deduced log ft. ¹⁹³Ir deduced levels, T_1/2, J, π, ICC, γ-multipolarities, γ-mixing, B(M1), B(E2). Enriched target, Ge(Li) detector.

doi: 10.1016/0375-9474(70)90689-5
Citations: PlumX Metrics

1970BE43      Nucl.Phys. A155, 297 (1970)

V.Berg, A.Hoglund, B.Fogelberg

A Study of the 190 keV Transition in ¹⁴¹La

RADIOACTIVITY ¹⁴¹Ba[from ²³²U(n, F)]; measured Eγ, Iγ, E(ce), I(ce), α(K), βce-delay. ¹⁴¹La deduced levels, partial T_1/2, γ-multipolarity.

doi: 10.1016/0375-9474(70)90091-6
Citations: PlumX Metrics

1970FO08      Nucl.Phys. A153, 301 (1970)

B.Fogelberg, A.Backlin, V.Berg, S.G.Malmskog

E2 and M1 Transition Probabilities in ¹⁹³Au and ¹⁹⁵Au

RADIOACTIVITY ¹⁹³Hg, ¹⁹⁵Hg[from Pb(p, 3pxn)]; measured Eγ, Iγ, E(ce), I(ce), cece-γce-delay. ^193,195Au deduced levels, γ-mixing, γ-branching, T_1/2, B(λ). Isotope separted sources.

doi: 10.1016/0375-9474(70)90773-6
Citations: PlumX Metrics

1970MA10      Nucl.Phys. A143, 160 (1970)

S.G.Malmskog, V.Berg, A.Backlin, G.Hedin

The Low-Energy Level Structure of ¹⁹¹Ir

RADIOACTIVITY ¹⁹¹Pt[from Pb(p, spallation)]; measured Eγ, Iγ, E(ce), I(ce), cece-delay. ¹⁹¹Ir deduced levels, T_1/2, J, π, ICC, γ-multipolarities, γ-mixing, B(E2), B(M1), quadrupole moment. Isotope separated sources, Ge(Li) detector.

doi: 10.1016/0375-9474(70)90688-3
Citations: PlumX Metrics

1970MA37      Nucl.Phys. A153, 316 (1970)

S.G.Malmskog, V.Berg, A.Backlin

Transition Probabilities in ¹⁸⁹Os

RADIOACTIVITY ¹⁸⁹Ir[from Pb(p, spallation)]; measured Eγ, Iγ, E(ce), I(ce), cece-delay; deduced log ft. ¹⁸⁹Os deduced levels, T_1/2, J, π, ICC, multipolarities, mixing ratios, partial half-lives. Isotope separated sources, Si(Li), Ge(Li) detectors.

doi: 10.1016/0375-9474(70)90774-8
Citations: PlumX Metrics

1970MA60      Ark.Fys. 40, 247 (1970)

S.G.Malmskog, M.Hojeberg, V.Berg

On Low Energy Levels in ¹⁸⁵W

RADIOACTIVITY ¹⁸⁵Ta, ^185mW; measured Eγ, Iγ, I(ce). ¹⁸⁵W deduced levels, J, π, K, ICC, γ-multipolarity.

1969BA42      Nucl.Phys. A138, 429 (1969)

A.Backlin, F.Fogelberg, V.Berg, S.G.Malmskog

E2 and M1 Transition Probabilities in Odd-Mass Hg Nuclei

RADIOACTIVITY ^193,195Hg; measured E(ce), I(ce), cece-delay. ^193,195Hg levels deduced T_1/2, ICC, γ-multipolarity, B(E2), B(M1).

doi: 10.1016/0375-9474(69)90347-9
Citations: PlumX Metrics

1969BE49      Nucl.Phys. A135, 401 (1969)

V.Berg, S.G.Malmskog

Transition Rates in ¹⁶¹Dy

RADIOACTIVITY ¹⁶¹Tb [from ¹⁶⁰Gd(n, γ) ¹⁶¹Gd(β-)]; measured Eγ, Iγ, β, cece-delay. ¹⁶¹Dy levels deduced T_1/2, B(λ). Ge(Li) detector.

doi: 10.1016/0375-9474(69)90172-9
Citations: PlumX Metrics

1969MA37      Nucl.Phys. A139, 17 (1969)

S.G.Malmskog, V.Berg

Absolute Transition Rates in ¹⁸⁸Ir

RADIOACTIVITY ¹⁸⁸Pt [from Pb(p, spallation)]; measured cece-, γce-delay; deduced partial T_1/2.

doi: 10.1016/0375-9474(69)90255-3
Citations: PlumX Metrics

1968BE63      Arkiv Fysik 37, 203 (1968)

V.Berg, K.Fransson, C.E.Bemis

The Decay of ¹³⁴Te

RADIOACTIVITY ¹³⁴Te; measured T_1/2, Eγ, Iγ, I(ce) ICC, γγ-coin; deduced log ft. ¹³⁴I deduced levels, J, π, γ-mixing, ICC. Ge(Li) detector.

1968BE64      Arkiv Fysik 37, 213 (1968)

V.Berg, K.Fransson, C.E.Bemis

Decay Properties of the ¹³³Te Isomers

RADIOACTIVITY ¹³³Te; measured Eγ, Iγ, I(ce). ¹³³I deduced levels, γ-mixing, ICC. Ge(Li) detector.