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NSR database version of April 27, 2024.

Search: Author = P.Colombani

Found 25 matches.

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1982HA25      Phys.Lett. 112B, 327 (1982)

J.H.Hamilton, A.V.Ramayya, R.M.Ronningen, R.O.Sayer, H.Yamada, C.F.Maguire, P.Colombani, D.Ward, R.M.Diamond, F.S.Stephens, I.Y.Lee, P.A.Butler, D.Habs

Isomeric Trapping following Coulomb Excitation of High Spin States in ¹⁷⁸Hf

NUCLEAR REACTIONS ^178,180Hf(⁸⁶Kr, ⁸⁶Kr'), (¹³⁶Xe, ¹³⁶Xe'), E=384-594 MeV; ¹⁷⁸Hf(¹³⁶Xe, ¹³⁶Xe'), E=628, 652, 682 MeV; measured Eγ, Iγ, Coulomb excitation, recoil, Doppler broadening. ^178,180Hf levels deduced T_1/2, moment of inertia. ¹⁷⁸Hf deduced isomer excitation. Cranked shell model calculations.

doi: 10.1016/0370-2693(82)91061-9
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1980AM01      Z.Phys. A294, 159 (1980)

A.Ameaume, G.Bizard, J.L.Laville, M.Louvel, P.Colombani, N.Frascaria, A.Gamp, J.P.Garron, J.C.Roynette, C.Stephan

Determination of the Q-Value Dependence of Charged Particle Emission in the ⁴⁰Ca + ⁴⁰Ca Reaction at 10 MeV/Nucleon

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=400 MeV; measured fragment Z distribution vs Q.

doi: 10.1007/BF01435051
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1980FR02      Z.Phys. A294, 167 (1980)

N.Frascaria, P.Colombani, A.Gamp, J.P.Garron, M.Riou, J.C.Roynette, C.Stephan, A.Ameaume, G.Bizard, J.L.Laville, M.Louvel

Further Evidence for the Observation of Structures in ⁴⁰Ca + ⁴⁰Ca Reaction at 10 MeV/A.M.U.

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=400 MeV; measured energy spectra, production σ for ^39,41,43Ca, ⁴²Sc, ³⁶Ar, ³¹P, ⁴⁵V, ³⁵Cl; deduced structure, discussed reaction mechanism.

doi: 10.1007/BF01435052
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1980YA03      Phys.Rev. C21, 2366 (1980)

S.W.Yates, I.Y.Lee, N.R.Johnson, E.Eichler, L.L.Riedinger, M.W.Guidry, A.C.Kahler, D.Cline, R.S.Simon, P.A.Butler, P.Colombani, F.S.Stephens, R.M.Diamond, R.M.Ronningen, R.D.Hichwa, J.H.Hamilton, E.L.Robinson

High-Spin Properties of ¹⁶⁴Er in the Multiple Band Crossing Region

NUCLEAR REACTIONS ¹⁵⁰Nd(¹⁸O, 4n), E=69.6 MeV; ¹⁶⁴Dy(α, 4n), E=51 MeV; ¹⁶⁴Er(¹³⁶Xe, ¹³⁶Xe'γ), E=547, 612, 620 MeV; measured Eγ, Iγ, γγ-coin, Doppler-broadened lineshapes, multiple Coulomb excitation probabilities. ¹⁶⁴Er deduced levels, J, π, T_1/2, B(E2). Two quasiparticle plus rotor model.

doi: 10.1103/PhysRevC.21.2366
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1979GU15      Phys.Rev. C20, 1814 (1979)

M.W.Guidry, I.Y.Lee, N.R.Johnson, P.A.Butler, D.Cline, P.Colombani, R.M.Diamond, F.S.Stephens

Reduced Transition Probabilities and Energies of High-Spin States in ¹⁶²Dy

NUCLEAR REACTIONS ¹⁶²Dy(¹³⁶Xe, ¹³⁶Xe'), E(lab)=547, 612 MeV; measured T_1/2, Eγ. ¹⁶²Dy levels deduced B(E2).

doi: 10.1103/PhysRevC.20.1814
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1979HU01      Nucl.Phys. A321, 213 (1979)

P.Hubert, C.Roulet, H.Sergolle, P.Colombani, J.M.Lagrange, J.Vanhorenbeeck, N.R.Johnson

Coulomb Excitation Study of ^182,184,186W Isotopes

NUCLEAR REACTIONS ^182,184,186W(⁸⁴Kr, ⁸⁴Kr'γ), E=340 MeV; measured Coulomb excitation yields. ^182,184,186W deduced energy levels, B(E2).

doi: 10.1016/0375-9474(79)90694-8
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1979TR10      J.Phys.(Paris), Lett. 40, L-181 (1979)

H.Tricoire, P.Colombani, C.Gerschel, D.Paya, N.Perrin, L.Valentin, N.Frascaria, J.P.Garron, C.Stephan

New Experimental Results Supporting the Hypothesis of the Excitation of Collective Modes in the ⁴⁰Ca + ⁴⁰Ca Reaction

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=400 MeV; measured σ(fragment E, θ), γ-multiplicity vs excitation energy for fragment Z=17, 18; deduced evidence for collective mode excitation.

doi: 10.1051/jphyslet:01979004008018100
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1977BU14      Phys.Lett. 68B, 122 (1977)

P.A.Butler, I.Y.Lee, J.O.Newton, Y.El-Masri, M.M.Aleonard, P.Colombani, R.M.Diamond, F.S.Stephens, R.W.Lougheed, E.K.Hulet

Fission of ²³²Th, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm Induced by Xe and Kr Ions at Coulomb Barrier Energies

NUCLEAR REACTIONS ²³²Th, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁸⁶Kr, F), (¹³⁶Xe, F), E ≈ Coulomb barrier; measured σ(θ).

doi: 10.1016/0370-2693(77)90181-2
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1977FR14      Phys.Rev.Lett. 39, 918 (1977)

N.Frascaria, C.Stephan, P.Colombani, J.P.Garron, J.C.Jacmart, M.Riou, L.Tassan-Got

Structure in the Energy Spectra from Inelastic Heavy-Ion Reactions

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=284 MeV; ⁶³Cu(⁶³Cu, X), E=450 MeV; measured σ(Z, θ).

doi: 10.1103/PhysRevLett.39.918
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1976CO28      Phys.Lett. 65B, 39 (1976)

P.Colombani, P.A.Butler, I.Y.Lee, D.Cline, R.M.Diamond, F.S.Stephens, D.Ward

Subcoulomb Fission Induced by Xe and Kr Ions

NUCLEAR REACTIONS ²³⁸U, ²³²Th(⁸⁶Kr, F), E ≈ 750 MeV; measured σ(E).

doi: 10.1016/0370-2693(76)90529-3
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1976GU12      Nucl.Phys. A266, 228 (1976)

M.W.Guidry, P.A.Butler, P.Colombani, I.Y.Lee, D.Ward, R.M.Diamond, E.Eichler, N.R.Johnson, R.Sturm

Reduced Transition Probabilities for High-Spin States in ²³²Th

NUCLEAR REACTIONS ²³²Th(⁸⁴Kr, ⁸⁴Kr'γ), E=385 MeV; ²³²Th(¹³⁶Xe, ¹³⁶Xe'γ), E=595, 623 MeV; measured recoil distance, Doppler broadened lineshape, Coulomb excitation yields. ²³²Th 6+-18+ levels deduced T_1/2, B(E2). Results compared with theory.

doi: 10.1016/0375-9474(76)90292-X
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1976LE18      Phys.Rev.Lett. 37, 420 (1976)

I.Y.Lee, D.Cline, R.S.Simon, P.A.Butler, P.Colombani, M.W.Guidry, F.S.Stephens, R.M.Diamond, N.R.Johnson, E.Eichler

Coulomb Excitation into the Backbend Region of ¹⁶⁴Er

NUCLEAR REACTIONS ¹⁶⁴Er(¹³⁶Xe, ¹³⁶Xe'γ), E=612, 547 MeV; measured multiple Coulomb excitation, ¹³⁶Xe'γ-coin. ¹⁶⁴Dy(α, 4n), E=51 MeV; measured Eγ, Iγ, γγ-coin. ¹⁶⁴Er levels deduced B(E2), backbending.

doi: 10.1103/PhysRevLett.37.420
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1976SI02      Phys.Rev.Lett. 36, 359 (1976)

R.S.Simon, M.V.Banaschik, P.Colombani, D.P.Soroka, F.S.Stephens, R.M.Diamond

Moments of Inertia in ¹⁶²Yb at Very High Spins

NUCLEAR REACTIONS ¹⁵⁰Sm(¹⁶O, 4nγ), E=87 MeV; ¹²⁶Te(⁴⁰Ar, 4nγ), E=181, 157 MeV; measured continuum spectrum. ¹⁶²Yb levels deduced effective moments of inertia.

doi: 10.1103/PhysRevLett.36.359
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1976WA06      Nucl.Phys. A266, 194 (1976)

D.Ward, P.Colombani, I.Y.Lee, P.A.Butler, R.S.Simon, R.M.Diamond, F.S.Stephens

High-Spin States of ^174,176Yb Studied in Coulomb Excitation with Kr and Xe Beams

NUCLEAR REACTIONS ^174,176Yb(¹³⁶Xe, ¹³⁶Xe'γ), E=580-610 MeV; ^174,176Yb(⁸⁶Kr, ⁸⁶Kr'γ), E=355-375 MeV; measured Coulomb excitation, Eγ, Iγ, γγ-coin, particle γ-coin, Doppler-broadened lineshape analysis. ^174,176Yb deduced levels, T_1/2, B(E2). Comparison with rotational model.

doi: 10.1016/0375-9474(76)90290-6
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1975BA10      Phys.Rev.Lett. 34, 892 (1975)

M.V.Banaschik, R.S.Simon, P.Colombani, D.P.Soroka, F.S.Stephens, R.M.Diamond

Transitions between High-Spin Nuclear States

NUCLEAR REACTIONS ⁸²Se, ¹²⁶Xe(⁴⁰Ar, xnγ), E=183 MeV; measured Eγ, Iγ, γγ(θ), continuum spectrum.

doi: 10.1103/PhysRevLett.34.892
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1975BU08      Phys.Lett. 56B, 453 (1975)

P.A.Butler, J.Meyer-Ter-Vehn, D.Ward, H.Bertschat, P.Colombani, R.M.Diamond, F.S.Stephens

Triaxial Shapes in Light La Nuclei

NUCLEAR REACTIONS ¹¹⁹Sn(¹⁴N, 4nγ), E=67 MeV; ¹¹⁸Sn(¹⁶O, 4nγ), E=82 MeV; ¹¹⁶Cd(¹⁹F, 4nγ), E=72 MeV; measured Eγ, recoil-distance. ^129,131La, ¹³⁰Ce levels deduced T_1/2, B(E2).

doi: 10.1016/0370-2693(75)90410-4
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1975CO04      Phys.Lett. 55B, 45 (1975)

P.Colombani, N.Frascaria, J.C.Jacmart, M.Riou, C.Stephan, H.Doubre, N.Poffe, J.C.Roynette

Deep Inelastic Fragment Production in the ⁴⁰Ca on ⁴⁰Ca Interaction at 278 MeV

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=278 MeV; measured σ(E(fragment mass), θ).

doi: 10.1016/0370-2693(75)90183-5
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1975JA06      Nucl.Phys. A242, 175 (1975)

J.C.Jacmart, P.Colombani, H.Doubre, N.Frascaria, N.Poffe, M.Riou, J.C.Roynette, C.Stephan, A.Weidinger

Isotope Distribution of Transfer Products in the ⁴⁰Ar + ²³²Th Interaction at 295 MeV

NUCLEAR REACTIONS ²³²Th(⁴⁰Ar, X), E=295 MeV, θ=18°, 40°; measured σ(E, θ).

doi: 10.1016/0375-9474(75)90042-1
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1975JA20      J.Phys.(Paris), Colloq. 36, C5-107 (1975)

J.C.Jacmart, N.Frascaria, N.Poffe, P.Colombani, H.Doubre, M.Riou, J.C.Roynette, C.Stephan

Distributions Isotopiques des Produits de Transferts Tres Inelastiques Entre Ions Lourds

NUCLEAR REACTIONS ⁴⁰Ca(⁴⁰Ca, X), E=284 MeV; ²³²Th(⁴⁰Ar, X), E=295 MeV; analyzed deep inelastic transfer.

1975RO03      Phys.Rev. C11, 648 (1975)

N.Rowley, P.Colombani

Classical Description of the Coulomb Excitation of Very Heavy Deformed Nuclei

NUCLEAR REACTIONS ²³²Th(⁸⁴Kr, ⁸⁴Kr'γ), E=371, 450 MeV; ²³⁸U(⁸⁴Kr, ⁸⁴Kr'γ), E=450 MeV; ²³⁸U(¹³²Xe, ¹³²Xe'γ), E=685 MeV; calculated J max.

doi: 10.1103/PhysRevC.11.648
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1975WA07      Phys.Lett. 56B, 139 (1975)

D.Ward, H.Bertschat, P.A.Butler, P.Colombani, R.M.Diamond, F.S.Stephens

High-Spin States in ^127,129La; a Test of Backbending in the Even Ba and Ce Nuclei

NUCLEAR REACTIONS ¹¹⁷Sn(¹⁴N, 4nγ), E=75 MeV;¹¹⁹Sn(¹⁴N, 4nγ), E=67, 75 MeV; ¹¹⁶Sn(¹⁶O, 4nγ), E=88 MeV; measured Eγ, Iγ, γγ-coin, γ(θ). ^127,129La, ¹²⁸Ce deduced levels, K, J, π. ^127,129La deduced no backbending.

doi: 10.1016/0370-2693(75)90286-5
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1974CO07      Phys.Lett. 48B, 315 (1974)

P.Colombani, J.C.Jacmart, N.Poffe, M.Riou, C.Stephan, P.P.Singh, A.Weidinger

Inelastic Scattering of ⁸⁴Kr from ²³²Th

NUCLEAR REACTIONS ²³²Th(⁸⁴Kr, ⁸⁴Kr'γ), E=371, 450 MeV; measured σ(Eγ, θ), ⁸⁴Kr'γ-coin. ²³²Th deduced levels, B(E2).

doi: 10.1016/0370-2693(74)90598-X
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1972CO33      Phys.Lett. 42B, 197 (1972)

P.Colombani, J.C.Jacmart, N.Poffe, M.Riou, C.Stephan, J.Tys

Elastic Scattering of ⁸⁴Kr by Heavy Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb, ²³²Th(⁸⁴Kr, ⁸⁴Kr), E=500 MeV; measured σ(θ); analyzed interaction radius.

doi: 10.1016/0370-2693(72)90059-7
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1972CO34      Phys.Lett. 42B, 208 (1972)

P.Colombani, B.Gatty, J.C.Jacmart, M.Lefort, J.Peter, M.Riou, C.Stephan, X.Tarrago

Superheavy Compound Nuclei Investigated with in-Flight Mass Spectroscopy

NUCLEAR REACTIONS ²⁰⁸Pb, ²³²Th, ²³⁸U(⁸⁴Kr, X), E=420-505 MeV; measured σ(E); deduced no superheavy compound nuclei.

doi: 10.1016/0370-2693(72)90062-7
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1972PO10      Nucl.Phys. A193, 305 (1972)

F.Pougheon, P.Roussel, P.Colombani, H.Doubre, J.C.Roynette

Two-Nucleon Stripping Reactions Induced by ¹⁶O in ⁵⁴Fe and ⁵⁸Ni at 80 MeV

NUCLEAR REACTIONS ⁵⁴Fe(¹⁶O, ¹⁴N), ⁵⁴Fe(¹⁶O, ¹⁴C), ⁵⁸Ni(¹⁶O, ¹⁴N), ⁵⁸Ni(¹⁶O, ¹⁴C), E(¹⁶O)=80 MeV; measured σ(E(HI), θ(HI)). ⁵⁶Co, ⁵⁶Ni, ⁶⁰Cu, ⁶⁰Zn deduced levels. Self-supporting enriched targets.

doi: 10.1016/0375-9474(72)90255-2
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