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NSR database version of April 24, 2024.

Search: Author = A.Levon

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2024MA02      Eur.Phys.J. A 60, 6 (2024)

A.G.Magner, A.I.Sanzhur, S.N.Fedotkin, A.I.Levon, U.V.Grygoriev, S.Shlomo

Pairing correlations within the micro-macroscopic approach for the level density

NUCLEAR STRUCTURE 40,48Ca, 52,54Fe, 56Ni, 115Sn, 144Sm, 208Pb; calculated level densities for low-energy states within the microscopic-macroscopic approach (MMA). Comparison with available data.

doi: 10.1140/epja/s10050-023-01222-1
Citations: PlumX Metrics


2023MA40      Iader.Fiz.Enerh. 24, 175 (2023)

A.G.Magner, A.I.Sanzhur, S.N.Fedotkin, A.I.Levon, U.V.Grygoriev, S.Shlomo

Nuclear level density in the statistical semiclassical micro-macroscopic approach

NUCLEAR STRUCTURE 140,142,145Nd, 144,150Sm, 166Ho, 208Pb, 230Th, 240Pu; analyzed available data; deduced level density parameters using Least Mean-Square (LMS) fit.

doi: 10.15407/jnpae2023.03.175
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2022MA14      Nucl.Phys. A1021, 122423 (2022)

A.G.Magner, A.I.Sanzhur, S.N.Fedotkin, A.I.Levon, S.Shlomo

Level density within a micro-macroscopic approach

NUCLEAR STRUCTURE 240Pu, 150Sm, 166Ho; analyzed available data; deduced statistical level density for nucleonic system with a given energy E, particle number A and other integrals of motion in the micro-macroscopic approximation beyond the standard saddle-point method of the Fermi gas model.

doi: 10.1016/j.nuclphysa.2022.122423
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2021MA67      Phys.Rev. C 104, 044319 (2021)

A.G.Magner, A.I.Sanzhur, S.N.Fedotkin, A.I.Levon, S.Shlomo

Semiclassical shell-structure micro-macroscopic approach for the level density

NUCLEAR STRUCTURE 144,148Sm, 166Ho, 208Pb, 230Th; calculated level densities for low-energy states with different approximations, maximal mean errors in the statistical distribution of states; derived statistical level density as function of the entropy within the micro-macroscopic approximation (MMA) using the mixed micro- and grand-canonical ensembles beyond the standard saddle point method of the Fermi gas model, using mean-field semiclassical periodic-orbit theory. Comparison with experimental densities.

doi: 10.1103/PhysRevC.104.044319
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2021MA79      Int.J.Mod.Phys. E30, 2150092 (2021)

A.G.Magner, A.I.Sanzhur, S.N.Fedotkin, A.I.Levon, S.Shlomo

Shell-structure and asymmetry effects in level densities

NUCLEAR STRUCTURE 176,178,180,182,184,186,188,190,192,194,196,198,200Pt; analyzed available data; deduced level densities within the semiclassical extended Thomas-Fermi and periodic-orbit theory beyond the Fermi-gas saddle-point method.

doi: 10.1142/S0218301321500920
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2020LE07      Phys.Rev. C 102, 014308 (2020)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

High-resolution study of excited states in 158Gd with the (p, t) reaction

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured triton spectra, exclusive differential σ(θ), integrated σ using the Q3D spectrograph at the Tandem accelerator of the Maier-Leibnitz-Laboratory in Munich. Enriched target. DWBA analysis of σ(θ) data using coupled-channel approximation CHUCK3 code. 158Gd; deduced levels, J, π. Discussed bands, moment of inertia, B(E1), B(E2). Comparison with theoretical calculations using the spdf version of the interacting boson model (IBM). 154,155,156Gd; identified ground and first excited states from (p, t) reaction on other Gd isotopes.

doi: 10.1103/PhysRevC.102.014308
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2526. Data from this article have been entered in the XUNDL database. For more information, click here.


2019LE13      Phys.Rev. C 100, 034307 (2019)

A.I.Levon, D.Bucurescu, C.Costache, T.Faestermann, R.Hertenberger, A.Ionescu, R.Lica, A.G.Magner, C.Mihai, R.Mihai, C.R.Nita, S.Pascu, K.P.Shevchenko, A.A.Shevchuk, A.Turturica, H.-F.Wirth

New data on 0+ states in 158Gd

NUCLEAR REACTIONS 160Gd(p, t), E=22 MeV; measured E(t), I(t), σ(θ) using enriched target and high-precision Q3D spectrometer at the Munich Tandem accelerator facility. 158Gd; deduced 230 levels between 1700 and 4300 keV, J, π, 36 levels with Jπ=0+ below 3.4 MeV; analyzed σ(θ) by DWBA calculations using optical model parameters from CHUCK3. Comparison with calculations within the spdf-IBM model, and with previous experimental results.

doi: 10.1103/PhysRevC.100.034307
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2480. Data from this article have been entered in the XUNDL database. For more information, click here.


2018LE07      Phys.Rev. C 97, 044305 (2018)

A.I.Levon, A.G.Magner, S.V.Radionov

Statistical analysis of excitation energies in actinide and rare-earth nuclei

NUCLEAR STRUCTURE 228,230Th, 232U, 240Pu, 158Gd, 168Er, 152,154Gd, 162Dy, 168Er, 170Yb, 176Hf, 180,184W, 190Os; analyzed experimental data for 0+ states in rare-earth nuclei, and 0+, 2+, 4+, and 6+ states in actinides by overall nearest-neighbor spacing distribution (NNSD) method, and Weigner and Poisson contributions using linear Wigner-Dyson (LWD) approximation and Brody approach. Data for actinides taken from (p, t) experiments.

doi: 10.1103/PhysRevC.97.044305
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2018MA72      Eur.Phys.J. A 54, 214 (2018)

A.G.Magner, A.I.Levon, S.V.Radionov

Simple approach to the chaos-order contributions and symmetry breaking in nuclear spectra

doi: 10.1140/epja/i2018-12645-8
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2017LE10      Ukr.J.Phys. 62, 565 (2017)

A.I.Levon

Statistical Analysis of the Distribution of 0+ State Energies in the Actinide Nuclei

doi: 10.15407/ujpe62.07.0565
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2015LE20      Phys.Rev. C 92, 064319 (2015)

A.I.Levon, P.Alexa, G.Graw, R.Hertenberger, S.Pascu, P.G.Thirolf, H.-F.Wirth

Spectroscopy of 232U in the (p, t) reaction: More information on 0+ excitations

NUCLEAR REACTIONS 234U(p, t), E=25 MeV; measured E(t), I(t), σ(θ) using Q3D magnetic spectrograph facility at the Munich Tandem accelerator. 232U; deduced levels, several 0+ states, J, π, bands, moment of inertia plots, B(E1)/B(E1) and B(E1)/B(E2) ratios. CHUCK3 analysis and DWBA calculations. Comparison with evaluated data in Nuclear Data Sheets. Comparison with interacting boson model (IBM-spdf) and quasiparticle-phonon model (QPM) calculations. Systematics of energies, (p, t) strengths and density distribution of excited 0+ states in 232U, 228,230Th and 154Gd.

doi: 10.1103/PhysRevC.92.064319
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2287. Data from this article have been entered in the XUNDL database. For more information, click here.


2013LE21      Phys.Rev. C 88, 014310 (2013)

A.I.Levon, G.Graw, R.Hertenberger, S.Pascu, P.G.Thirolf, H.-F.Wirth, P.Alexa

0+ states and collective bands in 228Th studied by the (p, t) reaction

NUCLEAR REACTIONS 230Th(p, t), E=25 MeV; measured triton spectra, σ(θ) using Q3D magnetic spectrograph at Munich tandem accelerator facility. 228Th; deduced levels, J, π, collective bands, moments of inertia, B(E1)/B(E2), nature of 0+ states. DWBA fit procedure. Coupled-channel analysis of σ(θ) data using CHUCK3 computer code. Comparison with previous experimental data, and with interacting boson model and quasiparticle-phonon model calculations.

NUCLEAR STRUCTURE 228Th; calculated levels, J, π, bands, B(E1)/B(E2), configurations using interacting boson model (IBM), and quasiparticle-phonon model (QPM).

doi: 10.1103/PhysRevC.88.014310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO2162. Data from this article have been entered in the XUNDL database. For more information, click here.


2011BE29      Bull.Rus.Acad.Sci.Phys. 75, 941 (2011)

O.A.Bezshyyko, A.N.Vodin, L.O.Golinka-Bezshyyko, A.M.Dovbnya, I.N.Kadenko, O.A.Kivernyk, A.A.Kovalenko, V.A.Kushnir, A.I.Levon, V.V.Mitrochenko, S.N.Olejnik, G.E.Tuller

Isomer ratios for products of photonuclear reactions with middle-weight nuclei

NUCLEAR REACTIONS 107Ag(γ, 3n), 109Ag(γ, 5n), 113In(γ, 3n), 115In(γ, 5n), (γ, 7n), E=32-84 MeV; measured Eγ, Iγ; deduced yields, isomeric ratios. Comparison with TALYS code calculations.

doi: 10.3103/S1062873811070100
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetG4034.


2011LE05      Ukr.J.Phys. 56, 107 (2011)

A.I.Levon, A.A.Pasternak

Conflicting coupling of unpaired nucleons and the structure of collective bands in odd-odd nuclei

NUCLEAR STRUCTURE 117,118,119,120Sb, 129Ba, 130La, 119,120Cs, 103,104Ag; analyzed energy spectra of rotational bands; deduced conflicting coupling of unpaired nucleons.


2009BE55      Iader.Fiz.Enerh. 10, 146 (2009)

O.A.Bezshyyko, A.N.Vodin, L.O.Golinka-Bezshyyko, A.N.Dovbnya, I.M.Kadenko, O.A.Kovalenko, V.A.Kushnir, A.I.Levon, V.V.Mitrochenko, S.N.Olejnik, G.E.Tuller

Isomer ratios of photonuclear reaction products for indium isotopes in the energy region over 33 MeV

NUCLEAR REACTIONS 113In(γ, 3n), E=34, 36, 38, 40, 43 MeV;115In(γ, 5n), E=60, 80, 85, 90 MeV;115In(γ, 7n), E=90 MeV;measured Eγ, Iγ; deduced yields, isomeric ratios. TALYS calculations.

doi: 10.15407/jnpae
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2009LE03      Phys.Rev. C 79, 014318 (2009)

A.I.Levon, G.Graw, Y.Eisermann, R.Hertenberger, J.Jolie, N.Yu.Shirikova, A.E.Stuchbery, A.V.Sushkov, P.G.Thirolf, H.-F.Wirth, N.V.Zamfir

Spectroscopy of 230Th in the (p, t) reaction

NUCLEAR REACTIONS 232Th(p, t), E=25 MeV; measured triton spectra, angular distributions. 230Th; deduced levels, J, π, σ. Coupled-channel and Distorted-wave Born approximation (DWBA) analyses. Comparison with interacting boson model and quasiparticle-phonon model calculations.

doi: 10.1103/PhysRevC.79.014318
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0171. Data from this article have been entered in the XUNDL database. For more information, click here.


2009LE36      Iader.Fiz.Enerh. 10, 357 (2009); Nuc.phys.atom.energ. 10, 357 (2009)

A.I.Levon, G.Graw, Y.Eisermann, R.Hertenberger, P.G.Thirolf, H.-F.Wirth

Collective states in 230Th: experimental data

NUCLEAR REACTIONS 232Th(p, t), E=25 MeV; measured triton spectra, angular distributions.230Th; deduced levels, J, π, σ. Coupled-channel and Distorted-wave Born approximation (DWBA) analyses.

doi: 10.15407/jnpae
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2009LE37      Iader.Fiz.Enerh. 10, 366 (2009); Nuc.phys.atom.energ. 10, 366 (2009)

A.I.Levon, G.Graw, Y.Eisermann, R.Hertenberger, N.Yu.Shirikova, A.V.Sushkov, P.G.Thirolf, H.-F.Wirth, N.V.Zamfir

Collective states in 230Th: band structure

NUCLEAR REACTIONS 232Th(p, t), E=25 MeV; analyzed experimental data, levels, angular distributions, σ. 230Th; deduced rotational band structures. Comparison with interacting boson model (spdf-IBM) and quasiparticle-phonon model calculations.

doi: 10.15407/jnpae
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2008EA02      Phys.Lett. B 665, 147 (2008)

M.C.East, A.E.Stuchbery, A.N.Wilson, P.M.Davidson, T.Kibedi, A.I.Levon

g factors in 116, 118, 120Sn: Sensitivity to configurations near the Fermi surface

NUCLEAR REACTIONS Sn(58Ni, 58Ni'), E=190 MeV; measured particle spectra, Eγ, Iγ, (particle)γ-coin. 116,118,120Sn; deduced g-factors. Transient field technique.

doi: 10.1016/j.physletb.2008.06.016
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Data from this article have been entered in the XUNDL database. For more information, click here.


2007LE39      Iader.Fiz.Enerh. 8 no.4, 27 (2007); Nuc.phys.atom.energ. 8, no.4, 27 (2007)

A.I.Levon, G.Graw, S.Christen, Y.Eisermann, C.Gunther, R.Hertenberger, J.Jolie, O.Moller, P.Thirolf, D.Tonev, H.-F.Wirth, N.V.Zamfir

0+ states and collective bands in deformed actinide nuclei

NUCLEAR REACTIONS 228,230Th, 234U(p, t), E=25 MeV; measured triton spectra;deduced σ(θ). 228,230Th, 234; deduced levels J, π, collective bands, moments of inertia, nature of 0+ states. DWBA fit procedure. Coupled channels analyses. Comparison with previous experimental data, and with interacting boson model and quasiparticle-phonon model calculations.

doi: 10.15407/jnpae
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2007NO18      Iader.Fiz.Enerh. 8 no.1, 67 (2007)

Yu.V.Nosenko, A.I.Levon, I.B.Kovgar, V.A.Onischuk, A.A.Schevchuk

Nuclear g-factors and structure of the high-spin 10+, 12+ and 7- states in isotopes 196, 198Hg

NUCLEAR REACTIONS 194,196Pt(α, 2n), E=27 MeV; measured Eγ, Iγ. 196,198Hg; deduced levels, J, π, g-factors.

NUCLEAR MOMENTS 196,198Hg; measured Eγ, Iγ; deduced g-factors of isomeric states using integral perturbed angular distribution of γ-rays in an external magnetic field of 2.9T.

doi: 10.15407/jnpae
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2007ST24      Phys.Rev. C 76, 034306 (2007)

A.E.Stuchbery, A.Nakamura, A.N.Wilson, P.M.Davidson, H.Watanabe, A.I.Levon

Relative g-factor measurements in the stable Te isotopes

NUCLEAR REACTIONS Te(58Ni, γ)122Te/124Te/125Te/126Te/128Te/130Te, E=195 MeV; measured Eγ, Iγ, (particle)γ angular correlations. 122,124,125,126,128,130Te deduced g-factors.

doi: 10.1103/PhysRevC.76.034306
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Data from this article have been entered in the XUNDL database. For more information, click here.


2006LE06      Nucl.Phys. A764, 24 (2006)

A.I.Levon, Yu.V.Nosenko, V.A.Onischuk, A.A.Shevchuk, A.E.Stuchbery

Nuclear g factors and structure of high-spin isomers in 190, 192, 194Pt and 196, 198Hg

NUCLEAR REACTIONS 188,190,192Os, 194,196Pt(α, 2n), E=27 MeV; measured Eγ, Iγ(θ, H, t). 190,192,194Pt, 196,198Hg deduced isometric states g factors. Enriched targets, integral perturbed angular distribution technique. Anomalous orbital g factor for neutrons discussed.

doi: 10.1016/j.nuclphysa.2005.09.016
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2006LE44      Bull.Rus.Acad.Sci.Phys. 70, 1822 (2006)

A.I.Levon, I.B.Kovgar, Yu.V.Nosenko, V.A.Onishchuk, A.A.Shevchuk

Nuclear g-factors of high-spin isomers in 190, 192, 194Pt

NUCLEAR REACTIONS 188,190,192Os(α, 2n)190,192,194Pt, E=27 MeV; measured g-factors of isomeric states using integral perturbed angular distribution of γ-rays in an external magnetic field of 2.9T.

NUCLEAR MOMENTS 190,192,194Pt; measured Eγ, Iγ; deduced g-factors.


2006LE47      Iader.Fiz.Enerh. 7 no.2, 7 (2006)

A.I.Levon, I.B.Kovgar, Yu.V.Nosenko, V.A.Onischuk, A.A.Schevchuk

Nuclear g-factors and structure of the high-spin isomers in 190, 192, 194Pt

NUCLEAR REACTIONS 188,190,192Os(α, 2n), E=27 MeV; measured Eγ, Iγ. 190,192,194Pt; deduced levels, J, π, g-factors.

NUCLEAR MOMENTS 190,192,194Pt; measured Eγ, Iγ; deduced g-factors of isomeric states using integral perturbed angular distribution of γ-rays in an external magnetic field of 2.9T.

doi: 10.15407/jnpae
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2004WI06      Phys.Rev. C 69, 044310 (2004)

H.-F.Wirth, G.Graw, S.Christen, D.Cutoiu, Y.Eisermann, C.Gunther, R.Hertenberger, J.Jolie, A.I.Levon, O.Moller, G.Thiamova, P.Thirolf, D.Tonev, N.V.Zamfir

0+ states in deformed actinide nuclei by the (p, t) reaction

NUCLEAR REACTIONS 230,232Th, 234U(p, t), E=25 MeV; measured σ(E, θ). 228,230Th, 232U deduced 0+ level energies, spectroscopic factors, transfer strengths. Comparison with model predictions.

doi: 10.1103/PhysRevC.69.044310
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0171. Data from this article have been entered in the XUNDL database. For more information, click here.


2003LO01      Phys.Lett. 551B, 71 (2003)

M.Loewe, P.Alexa, T.Czosnyka, J.de Boer, J.Iwanicki, A.I.Levon, H.J.Maier, P.J.Napiorkowski, P.von Neumann-Cosel, A.Richter, C.Schlegel, G.Sletten, J.Srebrny, M.Wurkner

Collective vibrations built on the Kπ = 9- high-spin isomer in 180Ta

NUCLEAR REACTIONS 180mTa(58Ni, 58Ni'), E=225 MeV; measured Eγ, Iγ, (particle)γ-coin following Coulomb excitation. 180Ta deduced levels, J, π, B(M1), B(E2), quadrupole moments, γ-vibrational bands. 180mTa(36S, 36S'), E=1.8-3.5 MeV/nucleon; 180mTa(64Ni, 64Ni'), E=2.0-2.4 MeV/nucleon; measured ground-state Coulomb activation excitation functions; deduced intermediate state J, π, configuration. Nordball array.

doi: 10.1016/S0370-2693(02)03014-9
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2003WU03      Nucl.Phys. A725, 3 (2003)

M.Wurkner, J.de Boer, A.I.Levon, M.Loewe, J.Kvasil, J.Srebrny, P.J.Napiorkowski, J.Iwanicki, T.Czosnyka

Coulomb excitation and structure of the rotational bands in 231Pa

NUCLEAR REACTIONS 231Pa(32S, 32S'), E=148 MeV; 231Pa(58Ni, 58Ni'), E=255, 260, 261 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 231Pa deduced levels, J, π, rotational band configurations, transition matrix elements, octupole correlations. Nordball array, quasiparticle-plus-phonon model calculations.

doi: 10.1016/S0375-9474(03)01594-X
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Data from this article have been entered in the XUNDL database. For more information, click here.


2002GU13      Phys.Rev. C65, 047301 (2002)

C.Gunther, J.Jolie, A.I.Levon, S.Mannanal, N.Warr, T.Wendel

Low-Energy One-Quasiparticle Bands in Neutron-Rich 181Hf

NUCLEAR REACTIONS 180Hf(d, p), E=12.4 MeV; measured Eγ, Iγ, γγ-coin. 181Hf deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.65.047301
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Data from this article have been entered in the XUNDL database. For more information, click here.


2002WE01      Phys.Rev. C65, 014309 (2002)

T.Wendel, J.Groger, C.Gunther, A.I.Levon, P.E.Garrett, L.Genilloud, J.Jolie, J.Kern, S.Mannanal, N.Warr, F.Kappeler, G.Graw, R.Hertenberger, M.Loewe, M.Wurkner

Low-K Two-Quasiparticle States in 180Ta

NUCLEAR REACTIONS 180Hf(p, n), E=8.9, 9.1 MeV; 180Hf(d, 2n), E=12.4, 14.0 MeV; measured Eγ, Iγ, E(ce), I(ce), γγ-, (ce)γ-coin. 181Ta(p, d), E=22 MeV; measured deuteron spectra. 180Ta deduced levels, J, π, configurations, rotational bands.

doi: 10.1103/PhysRevC.65.014309
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Data from this article have been entered in the XUNDL database. For more information, click here.


2001KO41      Yad.Fiz. 64, No 5, 908 (2001); Phys.Atomic Nuclei 64, 843 (2001)

I.B.Kovgar, A.I.Levon, R.S.Poznyak, O.V.Sevastyuk

Anomalies in the Orbital Magnetism of Neutrons in the 190, 192Pt Nuclei

NUCLEAR REACTIONS 188,190Os(α, 2n), E=26.8 MeV; measured Eγ, Iγ(θ, H, t). 190,192Pt deduced high-spin isomeric states g factors, neutron orbital g factor anomalies. Integrated disturbed angular distribution technique.

doi: 10.1134/1.1378873
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2000GR32      Phys.Rev. C62, 064304 (2000)

J.Groger, J.Jolie, R.Krucken, C.W.Beausang, M.Caprio, R.F.Casten, J.Cederkall, J.R.Cooper, F.Corminboeuf, L.Genilloud, G.Graw, C.Gunther, M.de Huu, A.I.Levon, A.Metz, J.R.Novak, N.Warr, T.Wendel

Nuclear Structure of 196Au: More evidence for its supersymmetric description

NUCLEAR REACTIONS 196Pt(p, n), (p, 2n), E=9.1-11.7 MeV; measured Eγ, Iγ, γ-ray excitation functions. 196Pt(p, n), E=9.1 MeV; measured Eγ, Iγ, E(Ce), I(ce), (X-ray)γ-, (ce)γ-, γγ-coin. 196Au deduced levels, J, π. Comparison with extended supersymmetry model predictions.

doi: 10.1103/PhysRevC.62.064304
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Data from this article have been entered in the XUNDL database. For more information, click here.


1999LO13      Acta Phys.Pol. B30, 1319 (1999)

M.Loewe, J.Besserer, J.De Boer, H.J.Maier, M.Wurkner, J.Srebrny, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski, P.von Neumann-Cosel, A.Richter, C.Schlegel, H.J.Wollersheim, P.Alexa, A.I.Levon, S.A.Karamian, G.Sletten

Depopulation of the Kπ = 9- Isomer in 180Ta via Coulomb Excitation

NUCLEAR REACTIONS 180mTa(36S, 36S'), E=65-125 MeV; 180mTa(64Ni, 64Ni'), E=130, 150 MeV; measured Eγ, σ(θ) following Coulomb excitation. 180Ta deduced possible level energy. Discussed astrophysical consequences.


1999WU05      Acta Phys.Pol. B30, 1313 (1999)

M.Wurkner, J.De Boer, J.Choinski, T.Czosnyka, C.Droste, C.Gunther, J.Iwanicki, M.Kisielinski, A.Kordyasz, M.Kowalczyk, H.Kusakari, J.Kvasil, A.I.Levon, M.Loewe, P.J.Napiorkowski, T.Shizuma, G.Sletten, J.Srebrny, M.Sugawara, T.Weber, Y.Yoshizawa

Coulomb Excitation of 231Pa

NUCLEAR REACTIONS 231Pa(32S, 32S'), E=148 MeV; 231Pa(58Ni, 58Ni'), E=255, 260, 261 MeV; measured Eγ, Iγ(θ), (particle)γγ-coin following Coulomb excitation. 231Pa deduced high-spin levels, J, π. Nordball array.


1998LE15      Eur.Phys.J. A 2, 9 (1998)

A.I.Levon, J.de Boer, M.Loewe, M.Wurkner, T.Czosnyka, J.Iwanicki, P.J.Napiorkowski

Experimental Evidence on the Ground-State Energy of 229Pa

NUCLEAR REACTIONS 231Pa(p, t), E=24 MeV; measured Eγ, Iγ, tγ-coin. 229Pa deduced ground-state energy, mass defect.

ATOMIC MASSES 231Pa(p, t), E=24 MeV; measured Eγ, Iγ, tγ-coin. 229Pa deduced ground-state energy, mass defect.

doi: 10.1007/s100500050083
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1997WU04      Acta Phys.Pol. B28, 97 (1997)

M.Wurkner, J.De Boer, M.Loewe, H.Steffens, H.Maier, J.Srebrny, P.J.Napiorkowski, J.Iwanicki, A.Kordyasz, M.Kisielinski, M.Kowalczyk, J.Choinski, T.Czosnyka, A.I.Levon, J.Kvasil, C.Gunther, G.Sletten

Gamma-Spectroscopy of 231Pa by Particle-Coincidences using a New PIN-Diode Detector Array

NUCLEAR REACTIONS 231Pa(58Ni, 58Ni'), E=148, 260 MeV; measured Eγ, Iγ, γγ-, (particle)γ-coin following Coulomb excitation. 231Pa deduced high-spin levels, band structure.


1996BA67      Z.Phys. A356, 13 (1996)

H.Baltzer, J.deBoer, A.Gollwitzer, G.Graw, C.Gunther, A.I.Levon, M.Loewe, H.J.Maier, J.Manns, U.Muller, B.D.Valnion, T.Weber, M.Wurkner

Study of Low-Lying 0+ Excitations in 228Th and 232,234,236U in the (p, t) Reaction

NUCLEAR REACTIONS 230,232Th, 234,236,238U(p, t), E=22 MeV; measured triton spectra; deduced relative σ. 228,230Th, 232,234,236U deduced levels, J, π, K.

doi: 10.1007/s002180050142
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0943.


1996LE01      Nucl.Phys. A598, 11 (1996)

A.I.Levon, J.de Boer, G.Graw, J.Kvasil, M.Loewe, B.D.Valnion, M.Wurkner, H.Baltzer, C.Gunther, J.Manns, U.Muller, T.Weber

The Structure of the Parity-Doublet Bands in 231Pa

NUCLEAR REACTIONS 231Pa(d, d'), E=27 MeV; measured Ed. 231Pa(p, p'), E=11 MeV; measured Ep. 232Th(p, 2n), E=14 MeV; analyzed data. 231Pa(16O, 16O'), E=85 MeV; 231Pa(32S, 32S'), E=145 MeV; measured Eγ, Iγ following Coulomb excitation. 231Pa deduced levels, J, π, rotational bands, octupole correlations. Q3D magnetic spectrometer, Ge detectors.

RADIOACTIVITY 231U(EC); measured I(ce), (e-γ)-, (e-e-)-coin. 231Pa deduced levels, J, π, band structure, γ-multipolarity, γ-branching ratio. Orange spectrometers, Ge detectors, enriched radioactive targets, mass-separated radioactive sources.

doi: 10.1016/0375-9474(95)00508-0
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1994AC02      Z.Phys. A350, 13 (1994)

B.Ackermann, H.Baltzer, K.Freitag, C.Gunther, P.Herzog, J.Manns, U.Muller, R.Paulsen, P.Sevenich, T.Weber, B.Will, J.de Boer, G.Graw, A.I.Levon, M.Loewe, A.Losch, E.Muller-Zanotti

Experimental Investigation of Vibrational Excitations in 230Th

RADIOACTIVITY 230Pa(β+), (EC), (β-) [from 232Th(p, 3n), E not given]; measured Eγ, Iγ, I(ce). 230Th levels deduced Iγ, γ-multipolarity.

NUCLEAR REACTIONS 230Th(d, np), E=23 MeV; measured (ce)(ce)-, γ(ce)-coin. 232Th(p, t), E=22 MeV; measured σ(θ). 230Th deduced levels, J, π, K, γ-multipolarity, B(λ), high-spin band structure.

doi: 10.1007/BF01285047
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0942.


1994LE22      Nucl.Phys. A576, 267 (1994)

A.I.Levon, J.de Boer, G.Graw, R.Hertenberger, D.Hofer, J.Kvasil, A.Losch, E.Muller-Zanotti, M.Wurkner, H.Baltzer, V.Grafen, C.Gunther

The Nuclear Structure of 229Pa from the 231Pa(p, t)229Pa and 230Th(p, 2nγ)229Pa Reactions

NUCLEAR REACTIONS 231Pa(p, t), E=22 MeV; 230Th(p, 2n), E=14 MeV; measured σ(Et, θ), Eγ, Iγ, I(ce), (e-)γ-, (e-)(e-)-coin. 229Pa deduced high-spin levels, J, π, rotational bands, octupole deformation. Q3D magnetic spectrometer, Ge detectors, orange spectrometers, enriched radioactive targets.

doi: 10.1016/0375-9474(94)90260-7
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1994LO10      Z.Phys. A348, 235 (1994)

A.Losch, J.de Boer, K.Kvasil, A.I.Levon, M.Wurkner, H.Baltzer, V.Grafen, C.Gunther

The Low-Lying Levels in 229Pa and Parity Doublets

NUCLEAR REACTIONS 230Th(p, 2n), 231Pa(p, t), E not given; analyzed data. 229Pa deduced levels, J, π, configuration, band structure. Particle, conversion-electron-gamma spectroscopy.


1994VO09      Yad.Fiz. 57, No 4, 582 (1994); Phys.Atomic Nuclei 57, 618 (1994)

D.A.Volkov, I.B.Kovgar, A.I.Levon, A.A.Pasternak

Conflicting Coupling in Odd-Odd Nucleus 76Br

NUCLEAR STRUCTURE 77,76Kr; calculated levels. 76Br; calculated levels, B(λ); deduced M1 transitions behavior explanation.


1992CU04      Nucl.Phys. A549, 304 (1992)

J.Cub, U.Knopp, K.-H.Speidel, H.Busch, S.Kremeyer, H.-J.Wollersheim, N.Martin, X.Hong, K.Vetter, N.Gollwitzer, A.I.Levon, A.Booten

Transient Field Measurements on 40Ar Ions in Gd at the 1s Electron Bohr Velocity and the g-Factor of the 2+ State at 1.461 MeV

NUCLEAR REACTIONS 208Pb(40Ar, 40Ar'), E=12.5 MeV/nucleon; measured γ(θ, H) in polarized Gd, (particle)γ-coin, Coulomb excitation. 40Ar level deduced g. Multilayered targets.

doi: 10.1016/0375-9474(92)90045-L
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1992LE10      Z.Phys. A343, 131 (1992)

A.I.Levon, J.de Boer, A.A.Pasternak, D.A.Volkov

M1-Transitions and the Mutual Orientation of the Unpaired Nucleons in Odd-Odd Nuclei

NUCLEAR STRUCTURE 102,104,106Ag, 130La, 132Pr, 196Tl; analyzed T1/2, B(λ) ratio data; deduced B(M1), unpaired nucleons mutual orientation role. Axial-rotor plus two quasiparticles model, quasiclassical approximation.

doi: 10.1007/BF01291817
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1991GR13      Phys.Rev. C44, R1728 (1991)

V.Grafen, B.Ackermann, H.Baltzer, T.Bihn, C.Gunther, J.deBoer, N.Gollwitzer, G.Graw, R.Hertenberger, H.Kader, A.Levon, A.Losch

Does a (5/2)+ - (5/2)- Ground-State Parity Doublet Exit in 229Pa ( Question )

NUCLEAR REACTIONS 230Th(p, 2n), E=14 MeV; measured γ(ce)-, (ce)n-coin. 231Pa(p, t), E=45 MeV; 231Pa, 235U(p, t), E=22 MeV; measured σ(Et). 229Pa deduced levels, J, π, band structure.

doi: 10.1103/PhysRevC.44.R1728
Citations: PlumX Metrics


1990VO05      Yad.Fiz. 51, 94 (1990); Sov.J.Nucl.Phys. 51, 59 (1990)

D.A.Volkov, A.I.Levon, A.A.Pasternak

Peaceful Coupling of Odd Nucleons with the Core in Odd-Odd 102Ag

NUCLEAR STRUCTURE 102Ag; analyzed T1/2 data; deduced B(λ). Core-odd nucleon coupling.


1990VO14      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 872 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.5, 56 (1990)

D.A.Volkov, I.B.Kovgar, A.I.Levon

M1 Transitions and the Orientation of the Angular Momenta of Unpaired Nucleons in the Odd-Odd Nucleus 106Ag

NUCLEAR REACTIONS 96Zr(14N, 4n), E=66.7 MeV; measured Eγ, Iγ, DSA. 106Ag levels deduced T1/2, B(M1). Plunger method.


1990VO15      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 2176 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.11, 90 (1990)

D.A.Volkov, A.I.Levon

Conflict Binding of Unpaired Nucleons in Odd-Odd Nuclei

NUCLEAR STRUCTURE 116,118,120I; calculated levels, conflict band energy levels ratio. Phenomenological approach.


1989VO13      Yad.Fiz. 50, 1505 (1989); Sov.J.Nucl.Phys. 50, 933 (1989)

D.A.Volkov, A.I.Levon, A.A.Pasternak

Fast M1-Transitions in Odd-Odd Transitional Nuclei 102,104Ag

NUCLEAR REACTIONS 95Mo(12C, 2np), (12C, np), E ≈ 48 MeV; 89Y(16O, 3n), E not given; measured Eγ, Iγ(θ), Doppler shifted γ-spectra. 102,104Ag deduced levels, J, π, T1/2, B(λ). Axial rotor plus two-quasiparticles.


1989VO14      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 923 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 95 (1989)

A.D.Volkov, A.I.Kovalenko, A.I.Levon, A.S.Mishin, A.A.Pasternak, L.A.Rassadin

The Fast M1 Transitions in Odd-Odd 104Ag Nuclei

NUCLEAR REACTIONS 95Mo(12C, 2np), E not given; measured DSA, Eγ, Iγ. 104Ag levels deduced T1/2, B(λ).


1989VO15      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2145 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.11, 84 (1989)

D.A.Volkov, A.E.Zobov, M.F.Kudoyarov, E.V.Kuzmin, A.I.Levon, A.A.Pasternak

Accelerated M1 Transitions in the Odd-Odd Nucleus 102Ag

NUCLEAR REACTIONS 89Y(16O, 3n), E=65 MeV; measured Doppler shift weakening, Eγ, Iγ. 102Ag levels deduced T1/2, B(M1). Model comparison.


1989VO17      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2188 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.11, 133 (1989)

D.A.Volkov, B.I.Gorbachev, A.I.Kovalenko, A.I.Levon, O.F.Nemets, O.V.Sevastyuk, A.A.Shevchuk

Magnetic Dipole and Electric-Quadrupole Moments of the Isomeric State 6+, 2480 KeV of 110Sn

NUCLEAR REACTIONS 108Cd(α, 2n), E=27 MeV; measured γ(t, θ, H). 110Sn deduced isomer electric quadrupole moment, g.


1987LE31      Ukr.Fiz.Zh. 32, 1636 (1987)

A.I.Levon, S.N.Fedotkin

The Opposite Sign Anomaly of Orbital Nucleon Magnetism in the Nucleus

NUCLEAR REACTIONS 130Te(α, 2n), E not given; measured γ(θ, H, t). 132Xe level deduced g, quadrupole moment.

NUCLEAR STRUCTURE 112,111,113,114,115,116,117,119Sn, 107,108,109,110,111,112,113,114,115Cd, 123,124,125,127,128,126,129,130,131Te, 129,130,131,132,133Xe; calculated g.


1986LE15      Yad.Fiz. 43, 1416 (1986)

A.I.Levon, S.N.Fedotkin, A.I.Vdovin

Magnetic Moments of Odd Spherical Nuclei

NUCLEAR STRUCTURE 111,113,115,117,119Sn, 107,109,111,113,115Cd, 123,125,127,131Te, 129,131,133Xe, 115,117Sb, 139La, 141Pr, 143Pm, 145Eu, 89,91Y, 93Nb, 99Tc, 195,197,199,201,205Tl; calculated g. Quasiparticle-phonon model.


1986VO14      Yad.Fiz. 44, 849 (1986)

D.A.Volkov, B.I.Gorbachev, A.I.Kovalenko, A.I.Levon, O.F.Nemets, O.V.Sevastyuk

Nuclear g Factors and Structure of 12+ Isomers in 106Cd and of 7- Isomers in 132Xe

NUCLEAR REACTIONS 104Pd, 130Te(α, 2n), E=27 MeV; measured γ(θ, H, t). 132Xe, 106Cd deduced isomer g.


1984GO06      Yad.Fiz. 39, 518 (1984); Sov.J.Nucl.Phys. 39, 326 (1984)

B.I.Gorbachev, A.I.Levon, O.F.Nemets, E.P.Saenko, N.M.Tkach

Nuclear g Factors and the Structure of Isomer 7- States in Isotopes 186,188Os and 196,198Hg

NUCLEAR REACTIONS 184,186W, 194,196Pt(α, 2n), E=27 MeV; measured γ(θ, H), γ(θ, H, t). 186,188Os, 196,198Hg deduced 7- isomer g, configuration.


1984GO12      Zh.Eksp.Teor.Fiz. 87, 3 (1984)

B.I.Gorbachev, A.I.Levon, O.F.Nemets, S.N.Fedotkin, V.A.Stepanenko

Magnetic Moments of Isomer States in 141Pr and 143Pm and the Paramagnetism of Promethium and Praseodymium

NUCLEAR REACTIONS 139La, 141Pr(α, 2n), E=27 MeV; measured γ(θ, H), γ(θ, H, t); deduced paramagnetic corrections. 141Pr, 143Pm deduced isomer state g.


1984VO12      Yad.Fiz. 40, 289 (1984)

D.A.Volkov, B.A.Gorbachev, A.I.Levon, O.F.Nemets, V.A.Stepanenko

Measurement of Nuclear g Factor of the (19/2)- Isomer in 139Ce

NUCLEAR REACTIONS 137Ba(α, 2n), E=27 MeV; measured γ(θ, H, t). 139Ce level deduced g, configuration.


1983GO02      Yad.Fiz. 37, 257 (1983)

B.I.Gorbachev, A.V.Kuznichenko, V.N.Lebedev, A.I.Levon, O.F.Nemets, O.V.Sevastyuk

Magnetic Moments of h(-11/2) States of Even and Odd Isotopes of Te and Xe

NUCLEAR REACTIONS 128Te, 124Sn(α, 2n), E=27 MeV; measured γ(θ, H, t). 130Xe, 128Te deduced isomer T1/2, g.


1983LE18      Yad.Fiz. 37, 1342 (1983)

A.I.Levon, O.F.Nemets, O.V.Sevastyuk, V.A.Stepanenko

Measurement of the Nuclear g-Factor for the 6+ Isomer in 112Sn following Recoil in Fe

NUCLEAR REACTIONS 110Cd(α, 2n), E=27 MeV; measured γ(θ, H, t) in Fe host. 112Sn deduced isomer g, configuration.


1983LE23      Yad.Fiz. 38, 577 (1983)

A.I.Levon, S.N.Fedotkin, Chan Zui Khyung

Description of Magnetic Moments of Nuclei 117Sb, 115Sb, 113Sn in the Quasi-Particle - Phonon Model

NUCLEAR STRUCTURE 117,115,113Sb; calculated isomer level, μ, B(E3), g, spectroscopic factors. Quasiparticle-phonon model.


1981GO17      Izv.Akad.Nauk SSSR, Ser.Fiz. 45, 2116 (1981)

B.I.Gorbachev, A.V.Kuznichenko, V.N.Lebedev, A.I.Levon, O.F.Nemets, O.V.Sevastyuk

Nuclear g-Factors for the 6+ State in 112Sn and 11/2- State in 113Sn

RADIOACTIVITY 113Sn [from 111Cd(α, 2n), E=27 MeV]; measured γ(θ, H, t). 113Sn level deduced g, configuration.

NUCLEAR REACTIONS 110Cd(α, 2n), E=27 MeV; measured γ(θ, H, t). 112Sn level deduced g, configuration.


1980LE05      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 202 (1980); Bull.Acad.Sci.USSR, Phys.Ser. 44, No.1, 171 (1980)

V.N.Lebedev, A.I.Levon, O.F.Nemets, G.V.Onishchenko, O.V.Sevastyuk

Lifetimes and g-Factors of Isomeric States in 105Ag, 111In, 115Sb, 117Sb

NUCLEAR REACTIONS 103Rh, 109Ag, 113,115In(α, 2n), E=27 MeV; measured γ(θ, H, t). 105Ag, 111In, 115,117Sb deduced levels, J, π, T1/2, g, B(E2).


1980ZA09      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 1988 (1980)

I.I.Zalyubovsky, A.V.Kuznichenko, V.N.Lebedev, A.I.Levon

Magnetic Moments of Certain Re Nuclei

NUCLEAR STRUCTURE 183,185,187Re; calculated μ; deduced δ. Rotational model.

RADIOACTIVITY 183Re [from 181Ta(α, 2n), E=27 MeV]; measured γ(θ, H, t). 183Re level deduced μ.


1977KU22      Izv.Akad.Nauk SSSR, Ser.Fiz. 41, 1624 (1977); Bull.Acad.Sci.USSR, Phys.Ser. 41, No.8, 77 (1977)

A.V.Kuznichenko, V.N.Lebedev, A.I.Levon, O.F.Nemets

The Magnetic Moments of the 8+- and 11--States of the Nucleus and the Anomalous Orbital Magnetism of Protons 92Mo in the Region Z = 40 to 44

NUCLEAR STRUCTURE 71,73,77As, 81Br, 85Rb, 90,91Zr, 91,93Nb, 92,93,94Mo, 99Tc, 95,101Ru; calculated g-factor including spin-polarization of core, two-particle spin-orbital interaction, relativistic effects.

NUCLEAR REACTIONS 90Zr(α, 2nγ), E=27 MeV; measured Eγ, Iγ(θ, H, t). 92Mo levels deduced g.


1976LE13      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 52 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.1, 41 (1976)

A.I.Levon, O.F.Nemets, V.S.Romanov, V.P.Chepak

The g Factor for the 845.6 keV State of 107Cd

NUCLEAR REACTIONS 105Pd(α, 2n), E=27 MeV; measured Iγ(θ, H, t). 107Cd level deduced g-factor, μ.


1976LE29      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 1249 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.6, 125 (1976)

A.I.Levon, O.F.Nemets, V.A.Stepanenko, V.P.Chepak

g-Factors for the 21/2+, 2679-keV 107Cd and 27/2+, 2737-keV 135La Three-Quasi-Particle States

NUCLEAR REACTIONS 105Pd, 133Cs(α, 2nγ), E=27 MeV; measured γ(θ, H, t). 107Cd, 135La deduced g for 3 quasiparticle state.


1976LE30      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 1253 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.6, 128 (1976)

A.I.Levon, O.F.Nemets, E.G.Mikhailov, V.P.Chepak

Structure of Low-Lying States and the g-Factor for the 2279-keV State of 95Ru

NUCLEAR REACTIONS 92Mo(α, nγ), E < 27 MeV; measured Eγ, Iγ(θ, H, t). 95Ru level deduced g.


1974KO10      Izv.Akad.Nauk SSSR, Ser.Fiz. 38, 155 (1974); Bull.Acad.Sci.USSR, Phys.Ser. 38, No.1, 135 (1974)

N.D.Kornienko, B.G.Kulchinskii, A.I.Levon, O.F.Nemets

Determination of the Magnetic Moments of Excited States at 1290 keV in 41K and 760 keV in 51Cr

NUCLEAR REACTIONS 41K(p, p'γ), E=6.8 MeV; 50Cr(d, pγ), 48Ti(α, nγ), 51V(p, nγ), E not given; measured γ(θ, H, t). 41K, 51Cr level deduced T1/2, μ.


1972KO25      Yad.Fiz. 15, 637 (1972); Sov.J.Nucl.Phys. 15, 353 (1972)

N.D.Kornienko, B.G.Kulchinskii, A.I.Levon, O.F.Nemets

Use of the Perturbed Angle e(cascγ) Correlation to Measure the Hg197 133-keV State g-Factor

RADIOACTIVITY 197mHg; measured ceγ(θ, H, t). 197Hg level deduced T1/2, g.


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Note: The following list of authors and aliases matches the search parameter A.Levon: , A.I.LEVON, A.M.LEVON