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Search: Author = L.Szybisz

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1999GA11      Phys.Rev. C59, 1999 (1999)

G.Garcia-Bermudez, M.A.Cardona, A.Filevich, R.V.Ribas, H.Somacal, L.Szybisz

Transition Strengths and Signature Inversion in Odd-Odd 74Br

NUCLEAR REACTIONS 60Ni(16O, np), E=50 MeV; measured Doppler-shifted Eγ, Iγ. 74Br deduced high-spin levels T1/2, B(M1), B(E2), branching ratios, signature inversion. Recoil-distance technique. Comparisons with neighboring nuclides.

doi: 10.1103/PhysRevC.59.1999
Citations: PlumX Metrics


1998KA19      Phys.Rev. C57, 2189 (1998)

R.A.Kaye, J.B.Adams, A.Hale, C.Smith, G.Z.Solomon, S.L.Tabor, G.Garcia-Bermudez, M.A.Cardona, A.Filevich, L.Szybisz

Transition Strengths in 86Nb and 86Zr

NUCLEAR REACTIONS 58Ni(32S, n3p), (32S, 4p), E=130 MeV; measured Eγ, Iγ, recoil-distance spectra. 86Nb, 86Zr deduced transitions T1/2, B(E2), configurations. Cranked shell model calculations.

doi: 10.1103/PhysRevC.57.2189
Citations: PlumX Metrics


1996JO05      Phys.Rev. C53, 1541 (1996)

G.D.Johns, K.A.Christian, R.A.Kaye, S.L.Tabor, G.Garcia-Bermudez, M.A.Cardona, A.Filevich, H.Somacal, L.Szybisz

Evolution of Collectivity in 82Y and 82Sr

NUCLEAR REACTIONS 58Ni(27Al, n2p), (27Al, 3p), E=90 MeV; measured Eγ, recoil distance. 82Y, 82Sr deduced levels, T1/2, B(λ), collectivity features.

doi: 10.1103/PhysRevC.53.1541
Citations: PlumX Metrics


1995GA06      Phys.Rev. C51, 1181 (1995)

G.Garcia-Bermudez, H.Somacal, M.A.Cardona, A.Filevich, E.Achterberg, L.Szybisz

πg9/2 (x) νg9/2 Multiplet: Nuclear structure of 82Y

NUCLEAR REACTIONS 58Ni(27Al, n2p), E=75-105 MeV; 60Ni(28Si, npα), E=100-130 MeV; 58Ni(28Si, n3p), E=95-120 MeV; measured γγ-, nγ-coin, Eγ, Iγ, σ(E), γγ(t), γ(θ). 82Y deduced high-spin levels, J, π, configuration. Comparison with other nuclei.

doi: 10.1103/PhysRevC.51.1181
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1993GA19      Phys.Rev. C48, 1623 (1993)

G.Garcia-Bermudez, M.A.Cardona, R.V.Ribas, A.Filevich, E.Achterberg, L.Szybisz

Level Structure of 89Mo

NUCLEAR REACTIONS 60Ni(32S, n2p), E=110 MeV; measured Eγ, Iγ, γγ-, γ-coin, Iγ(θ). 89Mo deduced levels, J, π, configuration. Hyperpure Ge detectors.

doi: 10.1103/PhysRevC.48.1623
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1984RO03      Nucl.Phys. A414, 85 (1984)

O.A.Rosso, F.Krmpotic, L.Szybisz

On the β-γ Directional Correlations in the β-Decay of 208Tl

RADIOACTIVITY 208Tl(β-); analyzed βγ(θ) data; deduced quenching effect role in β-moments hindrance, anisotropy factor. Charge exchange collective fields, isobar-hole excitation.

doi: 10.1016/0375-9474(84)90498-6
Citations: PlumX Metrics


1984SZ04      Phys.Lett. 145B, 305 (1984)

L.Szybisz

The Integrated Statistical Rate Function for Superallowed Fermi β-Decays

RADIOACTIVITY 14O, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co(β+); analyzed integrated statistical rate function, superallowed ft-values; deduced method dependent statistical differences; calculated second forbidden corrections.

doi: 10.1016/0370-2693(84)90049-2
Citations: PlumX Metrics


1983RO06      Z.Phys. A311, 119 (1983)

O.A.Rosso, L.Szybisz

The 1-(1.9 MeV β-)2+ Transition in the Decay of 148Pm

RADIOACTIVITY 148Pm(β-); analyzed β-decay data; deduced Coulomb field role on transition. Two-quasiparticle, quadrupole phonon model wave functions.

doi: 10.1007/BF01411616
Citations: PlumX Metrics


1983RO24      Z.Phys. A314, 365 (1983)

O.A.Rosso, L.Szybisz

Nuclear Electromagnetic Moments of the Ground States of 148Pm and 210Bi Calculated with Phenomenological Wave Functions Derived from Analyses of β-Decay Experiments

NUCLEAR STRUCTURE 148Pm, 210Bi; calculated μ, electric quadrupole moment. Phenomenological wave functions, β-decay data input.

doi: 10.1007/BF01412933
Citations: PlumX Metrics


1983SZ01      Phys.Lett. 122B, 131 (1983)

L.Szybisz, V.M.Silbergleit, J.I.Sidelnik

Large Difference between Two Methods of Calculating the Integrated Fermi Function in Superallowed β-Decays

RADIOACTIVITY 14O, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co; calculated superallowed β-decay transition integrated statistical rates; deduced second-forbidden nuclear matrix element role. Behrens-Janecke-Buhring, Hardy-Towner procedures.

doi: 10.1016/0370-2693(83)90779-7
Citations: PlumX Metrics


1982BE48      Phys.Rev. C26, 1417 (1982)

M.Behar, A.Filevich, A.O.Macchiavelli, L.Szybisz, P.Thieberger

High-Spin States in 79Kr Populated by the 78Se(α, 3n) Reaction and Interpreted in Terms of a Quasiparticle-Plus-Rotor Model

NUCLEAR REACTIONS 78Se(α, 3n), E=30-55 MeV; measured σ(Eγ, E), γ(θ), Eγ, Iγ, γγ-coin. 79Kr deduced levels, J, rotational band, δ, branching ratios, (g(k)-g(R)/Q0)2. Quasiparticle plus rotor model. Enriched targets.

doi: 10.1103/PhysRevC.26.1417
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1981SZ01      Z.Phys. A299, 91 (1981)

L.Szybisz, V.M.Silbergleit

Improved Limit on the Induced Scalar Interaction in Nuclear β-Decay

RADIOACTIVITY 26mAl, 34Cl, 38mK, 46V, 42Sc, 50Mn, 54Co; calculated ft relative to 14O; deduced improved induced scalar interaction limit for β-decay.

doi: 10.1007/BF01415748
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1980BE08      Nucl.Phys. A337, 253 (1980)

M.Behar, A.Filevich, G.Garcia Bermudez, M.A.J.Mariscotti, L.Szybisz

Level Structure of 82Rb, Studied Through the 81Br(α, 3n) Reaction

NUCLEAR REACTIONS 81Br(α, 3n), E=30-55 MeV; measured σ(E, Eγ, θ, t), Eγ, Iγ, γγ-coin. 82Rb deduced levels, J, T1/2. Enriched target.

doi: 10.1016/0375-9474(80)90054-8
Citations: PlumX Metrics


1980SY02      Z.Phys. A296, 309 (1980)

L.Szybisz, H.Behrens

The Decay of the T=1 Isospin Triplet in A=12 Systems: IV. The Energy Dependence of the Asymmetry Coefficients α(β) of the Beta-Ray Angular Distribution in Aligned 12B and 12N and the Induced Pseudotensor Interaction.

RADIOACTIVITY 12B, 12N; calculated Iβ(θ), asymmetry parameters vs E, aligned nuclei; deduced upper limit of induced pseudotensor interaction coupling constant.

doi: 10.1007/BF01438524
Citations: PlumX Metrics


1979SZ02      Z.Phys. A289, 315 (1979)

L.Szybisz

The Decay of the T = 1 Isospin Triplet in A = 12 Systems. III. Higher Order Effects in the Evaluation of the Asymmetry Parameters α± for the Electron Emission from Aligned 12B and 12N

NUCLEAR STRUCTURE 12B, 12N; calculated Iβ(θ) for polarized nuclei; deduced no evidence for induced pseudotensor interaction.

doi: 10.1007/BF01415794
Citations: PlumX Metrics


1979SZ07      Z.Phys. A292, 49 (1979)

L.Szybisz

Current State of the Investigation of Superallowed Fermi β Decays

RADIOACTIVITY 14O, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co; analyzed superallowed Fermi β-decay; deduced isospin impurity.

doi: 10.1007/BF01434629
Citations: PlumX Metrics


1978SZ01      Z.Phys. A284, 399 (1978)

L.Szybisz, V.Silbergleit

Gamow-Teller β Transition from the 2- Ground State of 88Rb to the 3- Excited State of 88Sr

RADIOACTIVITY 88Rb; calculated nuclear matrix element, log ft for 2- to 3- level at 2.734 MeV in 88Sr.

doi: 10.1007/BF01422107
Citations: PlumX Metrics


1978SZ03      Z.Phys. A285, 223 (1978)

L.Szybisz

Induced Scalar Interaction in the Analysis of Superallowed Fermi β Transitions

RADIOACTIVITY 10C, 14O, 18Ne, 22Mg, 26Si, 30S, 34Ar, 38Ca, 42Ti, 46Cr, 26mAl, 34Cl, 38mK, 42Sc, 46V, 50Mn, 54Co; analyzed superallowed Fermi β transitions. Induced scalar interaction.

doi: 10.1007/BF01408750
Citations: PlumX Metrics


1978SZ07      Z.Phys. A287, 183 (1978)

L.Szybisz

The Decay of the T=1 Isospin Triplet in A=12 Systems: II. The Induced Interactions in the Anisotropy of Beta-Rays

RADIOACTIVITY 12B, 12N; calculated β asymmetry from polarized nuclei. Comparison with experimental values.

doi: 10.1007/BF01408088
Citations: PlumX Metrics


1977BO10      Z.Phys. A280, 321 (1977)

H.E.Bosch, J.Davidson, M.Davidson, L.Szybisz

The Electron Capture to Positron Emission Ratios in the Decay of 22Na and 65Zn

RADIOACTIVITY 22Na, 65Zn; measured EC/β+ for allowed Gamow-Teller transitions.

doi: 10.1007/BF01435440
Citations: PlumX Metrics


1977SZ03      Nucl.Phys. A282, 435 (1977)

L.Szybisz, J.Davidson, V.Silbergleit

An Upper Limit for the Induced Scalar Coupling Constant f(s)

RADIOACTIVITY 10C, 14O, 18Ne, 22Mg, 26mAl, 26Si, 30S, 34Cl, 34Ar, 38mK, 38Ca, 42Sc, 42Ti, 46V, 50Mn, 54Co; calculated scalar coupling constants.

doi: 10.1016/0375-9474(77)90068-9
Citations: PlumX Metrics


1976BO42      Nucl.Phys. A272, 189 (1976)

H.Bosch, M.C.Cambiaggio, F.Krmpotic, O.Civitarese, L.Szybisz

On the β-Decay 2-(122Sb) → 2+(122Te)

RADIOACTIVITY 122Sb; analyzed data; deduced β moment, shape factor.

doi: 10.1016/0375-9474(76)90326-2
Citations: PlumX Metrics


1976SZ01      Z.Phys. A276, 261 (1976)

L.Szybisz, V.S.Rao

Cabibbo Angle and the Asymmetry of the 35Ar Decay

RADIOACTIVITY 35Ar; calculated vector coupling constant, cabibbo angle.

doi: 10.1007/BF01412103
Citations: PlumX Metrics


1976SZ03      Nucl.Phys. A267, 246 (1976)

L.Szybisz

What Information Can Be Obtained from the Study of the Third-Forbidden β-Decay 87Rb → 87Sr (Question)

RADIOACTIVITY 87Rb; calculated 3rd-forbidden β-decay in formalism of Behrens, Buhring.

doi: 10.1016/0375-9474(76)90657-6
Citations: PlumX Metrics


1975BE21      Nucl.Phys. A245, 515 (1975)

H.Behrens, M.Kobelt, L.Szybisz, W.-G.Thies

The Unique First-Forbidden β-Decay of 86Rb

RADIOACTIVITY 86Rb; measured Eβ; deduced Eβ max, spectrum shape parameter, coupling constant for the induced pseudo-tensor interaction.

doi: 10.1016/0375-9474(75)90625-9
Citations: PlumX Metrics


1975BE24      Z.Phys. A273, 177 (1975)

H.Behrens, L.Szybisz

The Decay of the T = 1 Isospin Triplet in A = 12 Systems

RADIOACTIVITY 12B, 12N; calculated form factor coefficients.

doi: 10.1007/BF01435837
Citations: PlumX Metrics


1975BE28      Nucl.Phys. A246, 317 (1975)

H.Behrens, M.Kobelt, L.Szybisz, W.-G.Thies

On the 11C → 11B β+ Transition

RADIOACTIVITY 11C; measured T1/2, β-shape spectrum; deduced Eβ max, ft, shape factors.

doi: 10.1016/0375-9474(75)90648-X
Citations: PlumX Metrics


1975EM02      Z.Phys. A273, 89 (1975)

B.Eman, D.Tadic, F.Krmpotic, L.Szybisz

Second-Class Currents in 0- → 0+ and Unique Nuclear β Transitions

RADIOACTIVITY 42K, 86Rb, 90Sr, 90Y, 142,144Pr, 166Ho; calculated β-shape parameters.

doi: 10.1007/BF01435763
Citations: PlumX Metrics


1975SZ01      Nucl.Phys. A244, 107 (1975)

L.Szybisz

The 1-(2.48 MeV β-)0+ Transition from 148Pm, the IAS Process and The Nuclear Structure of the Ground States Involved

RADIOACTIVITY 148Pm; calculated β-moments; deduced level configuration, ft.

doi: 10.1016/0375-9474(75)90010-X
Citations: PlumX Metrics


1975SZ03      Z.Phys. A273, 277 (1975)

L.Szybisz

The Half-Life of 10Be and the Renormalization of the Axial-Vector Coupling Constant

NUCLEAR STRUCTURE 10B; calculated T1/2.

doi: 10.1007/BF01410010
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1975SZ04      Lett.Nuovo Cim. 14, 237 (1975)

L.Szybisz, V.Seshagiri Rao

Recursion Relation among 9-j Symbols and the Ratios u(L) for Nonunique L-th Forbidden β-Transitions

RADIOACTIVITY 137Xe, 137Cs, 87Rb, 115In; calculated ratios for nonunique forbidden β-transitions.

doi: 10.1007/BF02745632
Citations: PlumX Metrics


1974AP02      Z.Phys. 268, 347 (1974)

H.Appel, H.Behrens, K.Burk, H.-W.Muller, L.Szybisz, R.Wischhusen

Beta Decay and Nuclear Structure: Rb86

RADIOACTIVITY 86Rb, 60Co; measured βγ(θ), βγ-coin, pγ(θ). 86Rb, 86Sr deduced wave functions.

doi: 10.1007/BF01669472
Citations: PlumX Metrics


1974BE23      Nucl.Phys. A223, 268 (1974)

H.Behrens, L.Szybisz

On the β-Decay 210Bi(RaE) → 210Po(RaF)

RADIOACTIVITY 210Bi; calculated β-spectrum shape.

doi: 10.1016/0375-9474(74)90414-X
Citations: PlumX Metrics


1974CI01      Phys.Lett. 48B, 199 (1974)

O.Civitarese, F.Krmpotic, L.Szybisz

On the Coupling Phenomena between sigma = 0 and sigma = 1 Charge Exchange Dipole Modes

RADIOACTIVITY 210Bi; measured nothing, analyzed β-decay. Deduced β-decay matrix elements.

doi: 10.1016/0370-2693(74)90009-4
Citations: PlumX Metrics


1974KR23      Phys.Lett. 52B, 153 (1974)

F.Krmpotic, L.Szybisz

The xi-Approximation and the 2- (0.96 MeV β-)2+ Transition in 198Au

RADIOACTIVITY 198Au; analyzed CP, βγ(θ).

doi: 10.1016/0370-2693(74)90075-6
Citations: PlumX Metrics


1974SZ01      Phys.Rev. C9, 624 (1974)

L.Szybisz, F.Krmpotic, M.A.Fariolli

Hindrance Effects on the β Moments for the 7/2- (0.435-MeV β-)7/2+ Transition from the Decay of 141Ce

RADIOACTIVITY 141Ce; measured nothing. Deduced β-decay nuclear matrix elements.

doi: 10.1103/PhysRevC.9.624
Citations: PlumX Metrics


1974SZ02      Nucl.Phys. A220, 173 (1974)

L.Szybisz

The β-Moments for the 7/2- (3.63 MeV β-)5/2+ Transition from 137Xe and the First-Forbidden β- Decay of Odd-Mass N = 83 Nuclides

RADIOACTIVITY 137Xe; measured nothing, analyzed decay data. Deduced β-moments.

doi: 10.1016/0375-9474(74)90760-X
Citations: PlumX Metrics


1974SZ03      Z.Phys. 269, 139 (1974)

L.Szybisz

The β-Moments for the Second-Forbidden β-Decay from 137Cs, the CVC Theory, and the Residual Interactions

RADIOACTIVITY 137Cs; calculated β-moments.

doi: 10.1007/BF01669055
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1973BO01      Phys.Rev. C7, 760 (1973)

H.E.Bosch, M.C.Cambiaggio, L.Szybisz, F.Krmpotic, J.Navaza

Investigation of the Nonunique First-Forbidden β Decay. I. Analysis of the 2-(0.962 MeV)2+ β Transition in 198Au

RADIOACTIVITY 198Au; analyzed βγ-CP, Iγ(θ), spectrum shape, βγ(θ), β-longitudinal polarization; deduced nuclear matrix elements.

doi: 10.1103/PhysRevC.7.760
Citations: PlumX Metrics


1973BO43      Can.J.Phys. 51, 2260 (1973)

H.E.Bosch, M.Behar, M.C.Cambiaggio, G.Garcia Bermudez, L.Szybisz

Investigation of the 0- → 0+ and 0- → 2+ Beta Transitions in the Decay of 144Pr

RADIOACTIVITY 56Mn, 114In, 144Pr; measured Eβ, βγ-coin. Deduced shape factor.

doi: 10.1139/p73-295
Citations: PlumX Metrics


1973CI01      Phys.Rev. C7, 768 (1973)

O.Civitarese, F.Krmpotic, M.C.Cambiaggio, L.Szybisz

Investigation of the Nonunique First-Forbidden β Decay. II. Analysis Of the 7/2- (0.581 MeV)5/2+ β Transition in 141Ce

RADIOACTIVITY 141Ce; analyzed nonunique first-forbidden β-decay.

doi: 10.1103/PhysRevC.7.768
Citations: PlumX Metrics


1973HE25      Z.Phys. 263, 401 (1973)

E.S.Hernandez, L.Szybisz, A.Plastino

Nonschematic Description of Nuclear β-Decay Processes

RADIOACTIVITY 152,154Eu, 156,160Tb; calculated log ft.


1973SZ06      Lett.Nuovo Cim. 7, 553 (1973)

L.Szybisz

New Confirmation of the Quenching of Nuclear Matrix Elements for β-Decay in the N = 82 Region

RADIOACTIVITY 141Ce; measured nothing. Deduced nuclear matrix elements.

doi: 10.1007/BF02727684
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1972EM02      Phys.Rev. C6, 1 (1972)

B.Eman, D.Tadic, F.Krmpotic, L.Szybisz

Induced-Tensor Interactions in Weak Processes

RADIOACTIVITY 20F, 24Na, 22Na, 56Co, 46Sc, 58Co, 60Co, 110Ag, 134Cs, 154Eu, 124Sb, 152Eu, 160Tb; analyzed βγ(θ), induced tensor contribution.

doi: 10.1103/PhysRevC.6.1
Citations: PlumX Metrics


1971BO19      Lett.Nuovo Cim. 2, 681 (1971)

H.E.Bosch, M.Behar, M.C.Cambiaggio, G.Garcia Bermudez, L.Szybisz, F.Krmpotic

Nuclear Matrix Elements for the (7/2)- → (7/2)+ Beta Transition in 141Ce

RADIOACTIVITY 141Ce(β-); measured β-spectrum shape factor, βγ(θ) anisotropy. 141Pr level deduced β-transition matrix elements.

doi: 10.1007/BF02799241
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