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NSR database version of April 26, 2024.

Search: Author = R.J.Walen

Found 27 matches.

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1990BR23      J.Phys.(London) G16, 1735 (1990)

Ch.Briancon, S.Cwiok, S.A.Eid, V.Green, W.D.Hamilton, C.F.Liang, R.J.Walen

A Re-Examination of the Band Structure of ²²³Ra and Reflection Asymmetry in this Nucleus

RADIOACTIVITY ²²⁷Th(α); measured γγ(θ), αγ(θ), γ(θ), oriented nuclei, Eγ, Iγ, recoil distance. ²²³Ra deduced levels, J, π, band structure, T_1/2, ICC, δ.

doi: 10.1088/0954-3899/16/11/021
Citations: PlumX Metrics

1989KU23      Z.Phys. A334, 299 (1989)

R.Kulessa, Ch.Briancon, A.Lefebvre, C.F.Liang, J.P.Thibaud, R.J.Walen, A.Celler, Ch.Lauterbach, J.De Boer, Ch.Mittag, F.Riess, Ch.Schandera, H.Emling, S.Hlavac, R.S.Simon, I.N.Mikhailov, Ph.N.Usmanov

Coulomb Excitation of ²³⁰Th with ³²S, ⁸⁴Kr and ¹⁴²Nd Projectiles

NUCLEAR REACTIONS ²³⁰Th(³²S, ³²S'), E=135 MeV; ²³⁰Th(⁸⁴Kr, ⁸⁴Kr'), E=440 MeV; ²³⁰Th(¹⁴²Nd, ¹⁴²Nd'), E=682 MeV; measured (particle)γ-coin following Coulomb excitation, Eγ, Iγ. ²³⁰Th deduced levels, Iγ, B(λ), band structure.

1986DE28      Phys.Rev. C34, 1706 (1986)

J.de Bettencourt, Ch.Briancon, J.Libert, J.P.Thibaud, R.J.Walen, A.Gizon, M.Meyer, Ph.Quentin

Coulomb Excitation Study of ²³⁵U: Assessment of theoretical quasiparticle states

NUCLEAR REACTIONS ²³⁵U(⁸⁴Kr, ⁸⁴Kr'), E=370, 450 MeV; measured Eγ, Iγ, γγ-, γ(particle)-coin, Coulomb excitation. ²³⁵U deduced levels, band structure, J, π, γ-branching, Nilsson assigments, intraband B(λ), ground state band magnetic dipole, quadrupole moments. Enriched target, γ-ray spectroscopy. Rotor-plus-quasiparticle approach.

doi: 10.1103/PhysRevC.34.1706
Citations: PlumX Metrics

1984BR13      Nucl.Instrum.Methods 221, 547 (1984)

Ch.Briancon, B.Legrand, R.J.Walen, Ts.Vylov, A.Minkova, A.Inoyatov

A New Combined Electrostatic Electron Spectrometer

RADIOACTIVITY ⁵⁷Co, ¹²⁵I, ¹⁶⁹Yb, ¹³¹Cs(EC); measured I(ce). Electrostatic low energy electron spectrometer.

1983KU05      Z.Phys. A312, 135 (1983)

R.Kulessa, R.P.DeVito, H.Emling, E.Grosse, D.Schwalm, R.S.Simon, A.Lefebvre, Ch.Briancon, R.J.Walen, G.Sletten, Th.W.Elze

High-j Proton and Neutron Alignment in the Odd Actinides ²³⁵U and ²³⁷Np

NUCLEAR REACTIONS ²³⁵U(²⁰⁸Pb, ²⁰⁸Pb'), E=5.1 MeV/nucleon; ²³⁷Np(²⁰⁸Pb, ²⁰⁸Pb'), E=5.3 MeV/nucleon; measured Doppler corrected Eγ, Iγ, Coulomb excitation. ²³⁵U, ²³⁷Np deduced levels, yrast bands, high-j proton, neutron alignment effects.

doi: 10.1007/BF01411671
Citations: PlumX Metrics

1982IS04      Phys.Rev. C25, 3078 (1982)

Y.Isozumi, Ch.Briancon, R.J.Walen

Double K-Hole Creation Accompanying K-Electron Capture Decay of ¹³¹Cs

RADIOACTIVITY ¹³¹Cs [from ¹³⁰Ba(n, γ)¹³¹Ba(EC)decay]; measured (K X-ray)(K X-ray)-, γ(X-ray)-coin; deduced double K-hole creation probability, hypersatellite energy shift, IB photon intensity, K X-ray intensity ratio.

doi: 10.1103/PhysRevC.25.3078
Citations: PlumX Metrics

1980SI16      Z.Phys. A298, 121 (1980)

R.S.Simon, F.Folkmann, C.Briancon, J.Libert, J.P.Thibaud, R.J.Walen, S.Frauendorf

Rotational Band Crossings in the Actinides

NUCLEAR REACTIONS ²³⁷Np(⁸⁴Kr, ⁸⁴Kr'), E=5.36 MeV/nucleon; ²³⁵U(²⁰⁸Pb, ²⁰⁸Pb'), E=4.8 MeV/nucleon; measured ⁸⁴Kr γ-coin, recoil, Eγ, Iγ, Coulomb excitation. ²³⁷Np, ²³⁵U deduced levels, J, π, yrast bands, band crossing effects.

doi: 10.1007/BF01554052
Citations: PlumX Metrics

1976DE46      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2041 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 14 (1976)

J.de Bettancourt, C.Briancon, J.R.Tibeaux, R.J.Walen, M.Jacmar, A.Gizon, S.Andre

High-Spin Energy States of ²³³U

NUCLEAR REACTIONS ²³³U(Kr, Kr'γ), E=340, 460 MeV; measured Eγ, γ(Kr)-coin. ²³³U deduced levels to J=41/2. No data.

1974DE02      Phys.Rev.Lett. 32, 447 (1974)

J.P.Desclaux, C.Briancon, J.P.Thibaud, R.J.Walen

Breit Interaction and Double K Vacancies in Nuclear Transitions

ATOMIC PHYSICS ²⁰³Hg; measured E(K-X ray) for doubly K-ionized source.

doi: 10.1103/PhysRevLett.32.447
Citations: PlumX Metrics

1968BA73      J.Phys.(Paris), Suppl.No.1, Colloq.C1-181 (1968)

G.Bastin, C.F.Leang, R.J.Walen

Etude des Niveaux de ²²⁰Fr, ²¹⁹Fr, ²¹⁶At et ²¹⁵At

RADIOACTIVITY ^223,224Ac, ^219,220Fr; measured Eα, Iα, αγ-coin.

1968LE17      Compt.Rend. 267B, 303 (1968)

C.F.Leang, G.Bastin, R.J.Walen

Rayonnement Emis au Cours de la Desintegration α de l'Actinium-224

RADIOACTIVITY ²²⁴Ac; measured Eα, Iα, Eγ, Iγ, αγ-coin.

1967BR26      Compt.Rend. 265B, 1496 (1967)

C.Briancon, M.Valadares, R.J.Walen

Sur le Spectre d'Electrons de Conversion Interne Emis par des Atomes en Vol: Cas de la Desintegration α de l'Americium 241

NUCLEAR STRUCTURE ²⁴¹Am; measured not abstracted; deduced nuclear properties.

1967VI04      Izv.Akad.Nauk SSSR, Ser.Fiz. 31, 85 (1967); Bull.Acad.Sci.USSR, Phys.Ser. 31, 90 (1967)

C.Vieu, C.Briancon, G.Bastin, F.C.Leang, J.Treherne, R.J.Walen

The Level Scheme of ²²³Ra

NUCLEAR STRUCTURE ²²⁷Th; measured not abstracted; deduced nuclear properties.

1966BA14      Compt.Rend. 262B, 89 (1966)

G.Bastin, C.F.Leang, R.J.Walen

Spectrometrie α du Protactinium-230 et de l'Uranium-230

NUCLEAR STRUCTURE ²³¹Pa, ²³⁰U, ²³⁰Pa, ²³⁰Th; measured not abstracted; deduced nuclear properties.

1966BA19      Compt.Rend. 262B, 370 (1966)

G.Bastin, C.-F.Leang, R.J.Walen

Niveaux du Francium 223

NUCLEAR STRUCTURE ²²⁷Ac; measured not abstracted; deduced nuclear properties.

1964BA33      Compt.Rend. 258, 6397 (1964)

G.Bastin-Scoffier, C.F.Leang, R.J.Walen

Niveaux Nucleaires du Radium 223 (Actinium X) Observes a Partir Du Thorium 227 (Radioactinium)

NUCLEAR STRUCTURE ²²⁷Th; measured not abstracted; deduced nuclear properties.

1963BA62      J.Phys. 24, 854 (1963)

G.Bastin-Scoffier, C.F.Leang, R.J.Walen

Spectrographie α de ²²⁶Ra et Niveaux des Rn de A Pair

NUCLEAR STRUCTURE ²²⁶Ra; measured not abstracted; deduced nuclear properties.

1963WA29      Priv.Comm., quoted by 1964Hy02 unpublished (1963)

R.J.Walen, G.Bastin-Scoffier

1962WA18      Nuclear Phys. 35, 232 (1962)

R.J.Walen, V.Nedovesov, G.Bastin-Scoffier

Spectrographie α de *²²³Ra (AcX) et Ses Derives

NUCLEAR STRUCTURE ²¹¹Pb, ²²³Ra, ²¹⁹Rn, ²¹⁵Po, ²⁰⁷Tl; measured not abstracted; deduced nuclear properties.

doi: 10.1016/0029-5582(62)90109-8
Citations: PlumX Metrics

1962WA28      Compt.Rend. 255, 1604 (1962)

R.J.Walen

Spectrographic α Due Radium 224 et de Ses Derives

NUCLEAR STRUCTURE ²²⁰Rn, ²¹⁶At, ²²⁴Ra, ²²⁵Ac, ²¹⁶Po, ²¹⁷At, ²²¹Fr; measured not abstracted; deduced nuclear properties.

1960WA14      Nuclear Phys. 16, 246 (1960)

R.J.Walen, G.Bastin-Scoffier

Spectre α du ²¹⁴Bi et Remarques sur Quelques Isotopes Emetteurs α du Bi

NUCLEAR STRUCTURE ²¹²Bi, ²¹³Bi, ²¹⁴Bi, ²¹¹Bi, ²¹⁰Bi; measured not abstracted; deduced nuclear properties.

doi: 10.1016/S0029-5582(60)81035-8
Citations: PlumX Metrics

1959WA05      J.Phys.Radium 20, 589 (1959)

R.J.Walen, G.Bastin-Scoffier

Structure Fine α du ²¹⁰Bi (RaE)

doi: 10.1051/jphysrad:01959002006058900
Citations: PlumX Metrics

1958BA45      Compt.Rend.Acad.Sci. 247, 2333 (1958)

G.Bastin-Scoffier, R.J.Walen

Le Polonium 210 Comme Etalon de Rayonnement γ

1958WA16      Compt.Rend.Congr.Intern.Phys.Nucl., Paris (1958), P.Gugenberger, Ed., Dunod, Paris, p.910 (1959)

R.J.Walen, G.Bastin

Quelques Structures Fines dans la Famille du Radium

1957WA40      Compt.Rend 245, 676 (1957)

R.J.Walen, G.Bastin-Scoffier

Alpha Spectrum of Bi²¹²

1949WA05      J.Phys.Radium 10, 95 (1949)

R.J.Walen

On the Existence of the β-Branching of RaA and of the Isotope 218 of Radon

doi: 10.1051/jphysrad:0194900100309500
Citations: PlumX Metrics

1936NA01      Compt.Rend.Acad.Sci. 203, 71 (1936)

M.E.Nahmias, R.J.Walen

Sur quelques radioelements artificiels

NUCLEAR REACTIONS ¹⁹F(n, X)²⁰F, ¹⁹F(d, p), (n, p), (n, α), ²³Na(n, α), (n, p), ⁹B(n, p), E<10 MeV; measured reaction products; deduced new isotopes T_1/2. Comparison with available data.