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Search: Author = J.Chevallier

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2012AN03      Phys.Rev. C 85, 044609 (2012)

J.U.Andersen, J.Chevallier, J.S.Forster, S.A.Karamian, C.R.Vane, J.R.Beene, C.J.Gross, H.F.Krause, J.F.Liang, D.Shapira, A.Uguzzoni

Time delays in heavy-ion-induced fission of medium-Z nuclei, measured by crystal blocking

NUCLEAR REACTIONS Mo(32S, X), E=170, 180 MeV; Mo(48Ti, X), E=225, 240 MeV; Mo(58Ni, X), E=300 MeV; W, Mo(74Ge, X), E=400, 450 MeV; measured spectra of elastically scattered ions and fission fragments, energy loss, blocking lifetimes, blocking dips from elastic scattering at HRIBF facility, fission energy distribution, fission blocking dips, time delays in fission by crystal blocking of fission fragments. Comparison with continuum-model and statistical model calculations.

doi: 10.1103/PhysRevC.85.044609
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2008AN14      Phys.Rev. C 78, 064609 (2008)

J.U.Andersen, J.Chevallier, J.S.Forster, S.A.Karamian, C.R.Vane, J.R.Beene, A.Galindo-Uribarri, J.Gomez del Campo, C.J.Gross, H.F.Krause, E.Padilla-Rodal, D.Radford, D.Shapira, C.Broude, F.Malaguti, A.Uguzzoni

Attosecond time delays in heavy-ion induced fission measured by crystal blocking

NUCLEAR REACTIONS W(32S, 32S), (32S, X), E=180 MeV; W(48Ti, 48Ti), (48Ti, X), E=240-255 MeV; W(58Ni, 58Ni), (58Ni, 58Ni'), (58Ni, X), E=330-375 MeV; W(74Ge, 74Ge), (74Ge, X), E=390 MeV; measured fission energy spectra, σ; calculated blocking dips. Continuum model calculations.

doi: 10.1103/PhysRevC.78.064609
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2007AN29      Phys.Rev.Lett. 99, 162502 (2007)

J.U.Andersen, J.Chevallier, J.S.Forster, S.A.Karamian, C.R.Vane, J.R.Beene, A.Galindo-Uribarri, J.Gomez del Campo, H.F.Krause, E.Padilla-Rodal, D.Radford, C.Broude, F.Malaguti, A.Uguzzoni

Crystal Blocking Measurements of the Time Delay of Fission Induced by 32S, 48Ti, and 58Ni Bombardment of W

NUCLEAR REACTIONS W(32S, F), E=180 MeV; W(48Ti, F), E=240-255 MeV; W(58Ni, F), E=315-375 MeV; measured fission yields. Deduced fission delay.

doi: 10.1103/PhysRevLett.99.162502
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2003KA15      Eur.Phys.J. A 17, 49 (2003)

S.A.Karamian, J.S.Forster, J.U.Andersen, W.Assmann, C.Broude, J.Chevallier, J.S.Geiger, F.Gruner, V.A.Khodyrev, F.Malaguti, A.Uguzzoni

Fission lifetimes of Th nuclei measured by crystal blocking

NUCLEAR REACTIONS W(32S, 32S), (32S, F), E=170-180 MeV; measured scattered particle and fission fragment spectra, blocking pattern due to target crystal; deduced fission lifetime features. 214Th calculated compound nucleus T1/2, fission probability vs energy, spin. Crystal blocking technique.

doi: 10.1140/epja/i2002-10139-0
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1994AI01      Nucl.Phys. A567, 685 (1994)

M.Aiche, M.Bentaleb, Ch.Briancon, A.Chevallier, J.Chevallier, J.S.Dionisio, J.Fernandez Niello, R.Kulessa, E.Lubkiewicz, C.Mittag, F.Riess, E.Ruchowska, N.Schulz, A.Seghour, J.C.Sens, Ch.Vieu, M.Wieland

High-Spin Spectroscopy of the Reflection-Asymmetric Nucleus 221Ac

NUCLEAR REACTIONS 209Bi(14C, 2n), E=63-65 MeV; measured Eγ, γγ-, e-γ-coin. 221Ac deduced levels, J, π, γ-branching, ICC. Ge(Li) detectors, electron spectrometer.

doi: 10.1016/0375-9474(94)90032-9
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1994DE04      Nucl.Phys. A568, 141 (1994)

M.E.Debray, A.J.Kreiner, M.Davidson, J.Davidson, D.Hojman, D.Santos, V.R.Vanin, N.Schulz, M.Aiche, A.Chevallier, J.Chevallier, J.C.Sens

Alternating Parity Bands in Doubly Odd 218Ac129 and Octupole Instability in the Light Actinide Region

NUCLEAR REACTIONS 209Bi(12C, 3n), E=70, 72 MeV; 209Bi(13C, 4n), E not given; measured I(ce), γγ-coin, γγ(t), DCO ratios. 218Ac deduced levels, J, π, band structure, shape features, γ-multipolarity, ICC, B(λ) ratios. Comparison with neighboring nuclei.

doi: 10.1016/0375-9474(94)90008-6
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1992WI02      Phys.Rev. C45, 1035 (1992)

M.Wieland, J.Fernandez Niello, F.Riess, M.Aiche, A.Chevallier, J.Chevallier, N.Schulz, J.C.Sens, Ch.Briancon, R.Kulessa, E.Ruchowska

Sidebands in 219Ra

NUCLEAR REACTIONS 208Pb(14C, 3n), E=65 MeV; measured γγ-coin, DCO ratios. 219Ra deduced levels, J, π, B(λ) ratios, band structure.

doi: 10.1103/PhysRevC.45.1035
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1992WI14      Phys.Rev. C46, 2628 (1992)

M.Wieland, J.Fernandez Niello, B.von Fromberg, F.Riess, M.Aiche, A.Chevallier, J.Chevallier, N.Schulz, J.C.Sens, Ch.Briancon, E.Ruchowska

Search for the I(π) = 1- State in 218Ra

NUCLEAR REACTIONS 208Pb(13C, 3n), E=61 MeV; measured Eγ, Iγ, γγ(θ), oriented nuclei. 218Ra deduced levels, J, π, T1/2.

doi: 10.1103/PhysRevC.46.2628
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1991SC19      Z.Phys. A339, 325 (1991)

N.Schulz, V.R.Vanin, A.J.Kreiner, E.Ruchowska, M.Aiche, Ch.Briancon, A.Chevallier, J.Chevallier, M.E.Debray, J.C.Sens

Hybridized Bands and Parity Splitting in the Odd-Odd Nucleus 220Ac

NUCLEAR REACTIONS 209Bi(14C, 3n), E=72 MeV; measured γγ-coin, Eγ, Iγ, DCO ratios. 220Ac deduced levels, J, π, γ-multipolarity, band structure, B(λ) ratios.

doi: 10.1007/BF01560633
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1990BU15      Nucl.Phys. A513, 291 (1990)

J.Busto, D.Dassie, O.Helene, Ph.Hubert, P.Larrieu, F.Leccia, P.Mennrath, M.M.Aleonard, J.Chevallier

The 0+ → 2+ Neutrinoless Double Beta Decay of 76Ge: Results of the Frejus experiment

RADIOACTIVITY 76Ge(2β); measured βγ-coin; deduced neutrinoless decay T1/2. Ge, NaI detectors.

doi: 10.1016/0375-9474(90)90100-Z
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1990SC06      Z.Phys. A335, 107 (1990)

N.Schulz, V.R.Vanin, M.Aiche, Ch.Briancon, A.Chevallier, J.Chevallier, M.E.Debray, A.J.Kreiner, E.Ruchowska, J.C.Sens

Observation of Parity Doublets in the Odd-Odd Nucleus 220Ac

NUCLEAR REACTIONS 209Bi(14C, 3n), E not given; measured γ-sum spectra, multiplicities. 220Ac deduced levels, J, π, γ-multipolarity, B(λ) ratios, shape features.

1989BU18      Nuovo Cim. 102A, 937 (1989)

J.Busto, D.Dassie, Ph.Hubert, P.Larrieu, F.Leccia, P.Mennrath, M.M.Aleonard, J.Chevallier

Comments on ' Results of a Search on the Neutrinoless Double Beta Decay of the 76Ge to the Excited States of 76Se '

1989SC33      Phys.Rev.Lett. 63, 2645 (1989)

N.Schulz, V.Vanin, M.Aiche, A.Chevallier, J.Chevallier, J.C.Sens, Ch.Briancon, S.Cwiok, E.Ruchowska, J.Fernandez-Niello, Ch.Mittag, J.Dudek

Persisting Domination of the Octupole over the Quadrupole Degrees of Freedom and the New Type of Transitional Nuclei: High-spin behavior of 218Ra

NUCLEAR REACTIONS 208Pb(14C, 4n), E=80 MeV; measured γγ(t), γ-spectra. 218Ra deduced levels, J, π.

doi: 10.1103/PhysRevLett.63.2645
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1988AI02      J.Phys.(London) G14, 1191 (1988)

M.Aiche, A.Chevallier, J.Chevallier, S.Hulne, S.Khazrouni, N.Schulz, J.C.Sens

Yrast States of 217Fr and the Onset of Static Intrinsic Reflection Asymmetric Shapes in the Light Actinide Region

NUCLEAR REACTIONS 210Pb(11B, 4n), E=52-68 MeV; measured σ(Eγ, E), γ(θ), γγ-coin. 217Fr deduced levels, J, π, B(E1)/B(E2) ratios. Radioactive target. Ge and NaI detectors.

doi: 10.1088/0305-4616/14/9/007
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0701.

1988RA23      Phys.Lett. 131A, 471 (1988)

F.Raether, G.Weyer, K.P.Lieb, J.Chevallier

The Magnetic Hyperfine Field of Interstitial Cd in a Cubic Vacancy Complex in fcc Cobalt

RADIOACTIVITY 111In(EC); measured γγ(θ, H, t); deduced interstitial Cd in cubic vacancy.

doi: 10.1016/0375-9601(88)90304-0
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1985KH01      Z.Phys. A320, 535 (1985)

S.Khazrouni, A.Chevallier, J.Chevallier, O.Helene, G.Ramanantsizehena, N.Schulz

Occurrence of Alternating Parity Levels in Bands of the Odd-Z 219Ac Nucleus

NUCLEAR REACTIONS 209Bi(13C, 3n), 208Pb(15N, 4n), E=tandem; measured γγ-coin, γγ(θ), γ-spectra. 219Ac deduced levels, B(E1)/B(E2), γ-branching, band structure.

doi: 10.1007/BF01415734
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1984SC25      J.Phys.(London) G10, 1201 (1984)

N.Schulz, S.Khazrouni, A.Chevallier, J.Chevallier, L.Kraus, I.Linck, D.C.Radford, J.Dudek, W.Nazarewicz

High-Spin States in 215Fr

NUCLEAR REACTIONS 208Pb(11B, 4n), E=66 MeV; measured γ(θ), γγ(t), αγ(t), pulsed-beam γ(t). 215Fr deduced levels J, π, T1/2, γ, α branching ratios, γ-multipolarity. Ge(Li), Ge, Si detectors.

doi: 10.1088/0305-4616/10/9/010
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1983SC23      Phys.Rev. C28, 435 (1983)

N.Schulz, A.Chevallier, J.Chevallier, S.Khazrouni, L.Kraus, I.Linck

Alpha Decay Rate of 218Ac

NUCLEAR REACTIONS 209Bi(12C, 3n), E=78 MeV; measured Eα, Iα. 218Ac level deduced T1/2, reduced α-width. Pulsed beam, recoil ion implantation.

doi: 10.1103/PhysRevC.28.435
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1982CH25      Z.Phys. A308, 277 (1982)

A.Chevallier, J.Chevallier, B.Haas, S.Khazrouni, N.Schulz

Spectroscopy of Excited States in 216Ra

NUCLEAR REACTIONS, ICPND 206Pb(13C, 3n), E=75-85 MeV; 208Pb(12C, 4n), E=67-83 MeV; measured Eγ, Iγ, γ(t), γ yields, γ(θ), γγ-coin, centroid shifts, γ production σ. 216Ra deduced levels, isomer T1/2, γ-multipolarity, yrast level J, π, configurations.

doi: 10.1007/BF01418290
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1982CH29      J.Phys.(Paris) 43, 1597 (1982)

A.Chevallier, J.Chevallier, S.Khazrouni, L.Kraus, I.Linck, D.C.Radford, N.Schulz

Low-Lying Yrast States in 218Th

NUCLEAR REACTIONS 206Pb(16O, 4n), E=92 MeV; measured αγ-coin, Eγ, Iγ. 218Th deduced levels, J, π, γ-branching.

doi: 10.1051/jphys:0198200430110159700
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1980CH13      J.Phys.(Paris) 41, 239 (1980)

A.Chevallier, J.Chevallier, B.Haas, N.Schulz, M.Toulemonde

Unusually Weak E1 Transitions in 45Ti

NUCLEAR REACTIONS 45Sc(p, nγ), E=3.6 MeV; measured Eγ, Iγ, γγ-, nγ-coin. 45Ti deduced weak E1 transitions.

doi: 10.1051/jphys:01980004103023900
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1977ST12      Phys.Rev. C15, 1704 (1977)

J.Styczen, A.Chevallier, J.Chevallier, B.Haas, N.Schulz, M.Toulemonde

Spin and g Factor of the 40-keV Level in 45Ti

NUCLEAR REACTIONS 42Ca(α, n), E=6.5 MeV; measured γ(θ, H, t). 45Ti 40-keV level deduced J, π, T1/2, g. Enriched target, Ge(Li) detectors.

doi: 10.1103/PhysRevC.15.1704
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1976BR15      Nucl.Phys. A262, 189 (1976)

J.Britz, A.Chevallier, J.Chevallier, B.Haas

Lifetime of the 8040 keV State in 44Ti

NUCLEAR REACTIONS 42Ca(α, 2nγ), (α, nαγ), (α, α'γ), E=31 MeV; measured γ(t), γγ(t). 44Ti level deduced T1/2, effective charge. 41,42Ca levels deduced T1/2. Pulsed beam electronic timing, enriched target, Ge(Li) detectors.

doi: 10.1016/0375-9474(76)90612-6
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1976CH07      J.Phys.(Paris) 37, 303 (1976)

J.Chevallier, B.Haas, N.Schulz, M.Toulemonde

Properties of the Low-Lying Negative Parity States in 45Sc

NUCLEAR REACTIONS 42Ca(α, pγ), E=10.5 MeV; measured σ(Ep, Eγ, θ), γ(t). 45Sc deduced levels, J, π, T1/2, δ, γ-branching, B(M1), B(E2).

doi: 10.1051/jphys:01976003704030300
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1976HA07      Phys.Lett. 61B, 141 (1976)

B.Haas, J.Chevallier, A.Knipper, J.Styczen, P.Taras

Deformation Systematics for the Positive Parity States in the 1f7/2 Shell

NUCLEAR STRUCTURE 41,43,45,47Ca, 41,43,45,47Sc, 43,45,47,49,51V, 43,45,47,49Ti, 45,47,49,51,53Mn, 47,49,51,53,55Co, 47,49,51,53Fe, 47,49,51Cr, 49,51,53,55Ni; calculated relative static energy vs deformation.

doi: 10.1016/0370-2693(76)90609-2
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1976ST05      Nucl.Phys. A262, 317 (1976)

J.Styczen, J.Chevallier, B.Haas, N.Schulz, P.Taras, M.Toulemonde

Survey of Electromagnetic Properties of Positive Parity States in Odd 1f7/2 Shell Nuclei

NUCLEAR STRUCTURE 43,45,47Sc, 45Ti, 47,49V; calculated quadrupole moment, g ratios, band mixing; analyzed B(M1), B(E2).

doi: 10.1016/0375-9474(76)90624-2
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1976TO04      Nucl.Phys. A262, 307 (1976)

M.Toulemonde, J.Chevallier, B.Haas, N.Schulz, J.Styczen

Gamma Decays of Positive Parity States in 45Sc

NUCLEAR REACTIONS 42Ca(α, pγ), E=10.5 MeV; measured σ(Eγ, Ep, θ), DSA. 45Sc deduced levels, T1/2, B(λ), γ-branching ratios, J, δ. Enriched target.

doi: 10.1016/0375-9474(76)90623-0
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1975CH37      Z.Phys. A275, 51 (1975)

A.Chevallier, J.Chevallier, J.L.Gross, B.Haas, N.Schulz, J.Styczen, M.Toulemonde

Lifetime and g-Factor Measurements in 44Sc

NUCLEAR REACTIONS 44Ca(p, nγ), E=5.35 MeV; measured γ(t). 30Si(16O, pnγ), E=30 MeV; measured γ(θ, H). 44Sc level deduced T1/2, g.

doi: 10.1007/BF01409499
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1975HA02      Phys.Rev. C11, 280 (1975)

B.Haas, J.Chevallier, N.Schulz, J.Styczen, M.Toulemonde

Consistency of the Recoil-Distance Method and the Doppler-Shift Attenuation Method for Lifetime Measurements Using Titanium as the Slowing-Down Environment

NUCLEAR REACTIONS 46Ti(α, pγ), E=10 MeV; measured recoil distance. 49V levels deduced T1/2. Enriched target.

doi: 10.1103/PhysRevC.11.280
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1975HA12      Phys.Rev. C11, 1179 (1975)

B.Haas, J.Chevallier, J.Britz

Properties of Excited States of 49V

NUCLEAR REACTIONS 46Ti(α, pγ), E=10.6 MeV; 49Ti(p, nγ), E=2.1 MeV; measured Eγ, pγ-, nγ-, γγ-coin, pγ, nγ, γγ(t), pγ(θ), DSA. 49V deduced levels, K, J, π, T1/2, γ-mixing, B(M1), B(E2), γ-branching.

doi: 10.1103/PhysRevC.11.1179
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1975HA47      Phys.Rev. C12, 1865 (1975)

B.Haas, A.Chevallier, J.Chevallier, C.Gehringer, J.C.Merdinger, N.Schulz, J.Styczen, P.Taras, M.Toulemonde, J.P.Vivien

Magnetic Moment of the d3/2 Hole State in 45Ti

NUCLEAR REACTIONS 42Ca(α, n), E=9.0 MeV; measured γ(θ, H, t). 45Ti level deduced g. Enriched target. Ge(Li) detectors.

doi: 10.1103/PhysRevC.12.1865
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1974HA53      Phys.Lett. 52B, 146 (1974)

B.Haas, P.Taras, J.Styczen, J.Chevallier

Band Mixing in 49Cr and 47V: Importance of a Correct Treatment of Hole Excitations and the J2 Term

NUCLEAR STRUCTURE 47V, 49Cr; calculated levels.

doi: 10.1016/0370-2693(74)90073-2
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1973SC28      Phys.Rev. C8, 1779 (1973)

N.Schulz, J.Chevallier, B.Haas, J.Richert, M.Toulemonde

Electromagnetic Transition Rates in 56Ni

NUCLEAR REACTIONS 54Fe(3He, nγ), E=10 MeV; measured DSA, nγ-coin. 56Ni levels deduced T1/2.

doi: 10.1103/PhysRevC.8.1779
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1972CH25      Nucl.Phys. A191, 201 (1972)

A.Chevallier, E.Bozek, J.Chevallier, A.Pape, R.Armbruster

Etude des Niveaux de 38Ar Formes dans la Reaction 34S(α, γ)38Ar

NUCLEAR REACTIONS 34S(α, γ), E=3.6-4.8 MeV; measured σ(E, θ(γ), θ(γγ)). 38Ar levels deduced J, π, γ-width. Enriched target.

doi: 10.1016/0375-9474(72)90602-1
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1972GE14      Nucl.Phys. A195, 65 (1972)

C.Gehringer, B.Haas, J.Chevallier, J.Britz

Probabilities de Transition γ dans le Noyau 58Co

NUCLEAR REACTIONS 55Mn(α, nγ), E=7.9, 10 MeV; 58Fe(p, nγ), E=3.8 MeV; measured DSA, σ(Eγ, θ(nγ)). 58Co levels deduced T1/2, J, π.

doi: 10.1016/0375-9474(72)90721-X
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1972HA61      Nucl.Phys. A194, 249 (1972)

B.Haas, C.Gehringer, J.Chevallier, J.C.Merdinger, E.Bozek

Vies Moyennes des Niveaux a 53.2 keV et 111.5 keV et Moment Magnetique Du Niveau a 111.5 keV du 58Co

NUCLEAR REACTIONS 58Fe(p, nγ), E=3.9 MeV; measured Eγ, Iγ, nγ-delay, nγ(θ), pγ(θ, H), σ(θ(γ), H). 58Co deduced levels J, T1/2, g, γ-branching. Enriched target.

doi: 10.1016/0375-9474(72)91039-1
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1968GO17      Nucl.Phys. A118, 545(1968)

S.Gorodetzky, F.A.Beck, R.Bertini, J.Chevallier, A.Knipper

Distribution Angulaire et Polarisation Plane des Rayons Gamma de 955 keV du 12B

NUCLEAR REACTIONS 11B(d, p1), E=0.5-5.5 MeV; measured σ(E;Eγ, θ), γ-polarization. 12B level deduced J, π, delta. Enriched target.

doi: 10.1016/0375-9474(68)90439-9
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1966GO23      J.Phys.(Paris) 27, 521 (1966)

S.Gorodetzky, N.Schulz, J.Chevallier, A.C.Knipper

Periodes de Niveaux Excites du Calcium 40 et de l'Iode 132

NUCLEAR STRUCTURE 40Ca, 132Te; measured not abstracted; deduced nuclear properties.

doi: 10.1051/jphys:01966002709-10052100
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