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NSR database version of May 20, 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, T1/2, 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 T1/2. Comparison with available data.


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