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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 T_1/2, 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, T_1/2.

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 T_1/2. 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, T_1/2, 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 T_1/2, 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 T_1/2, 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, T_1/2, 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 T_1/2, effective charge. ^41,42Ca levels deduced T_1/2. 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, T_1/2, 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, ^{43,45,47,49,51}V, ^43,45,47,49Ti, ^{45,47,49,51,53}Mn, ^{47,49,51,53,55}Co, ^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, T_1/2, 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 T_1/2, 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 T_1/2. 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, T_1/2, 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 T_1/2.

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 T_1/2, 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, T_1/2, 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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