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NSR database version of May 24, 2024.

Search: Author = Y.Kudryavtsev

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2023KR02      Nature(London) 617, 706 (2023)

S.Kraemer, J.Moens, M.Athanasakis-Kaklamanakis, S.Bara, K.Beeks, P.Chhetri, K.Chrysalidis, A.Claessens, T.E.Cocolios, J.G.M.Correia, H.De Witte, R.Ferrer, S.Geldhof, R.Heinke, N.Hosseini, M.Huyse, U.Koster, Y.Kudryavtsev, M.Laatiaoui, R.Lica, G.Magchiels, V.Manea, C.Merckling, L.M.C.Pereira, S.Raeder, T.Schumm, S.Sels, P.G.Thirolf, S.M.Tunhuma, P.Van Den Bergh, P.Van Duppen, A.Vantomme, M.Verlinde, R.Villarreal, U.Wahl

Observation of the radiative decay of the 229Th nuclear clock isomer

RADIOACTIVITY 229Ac(β-), 229Th(IT) [from U(p, X), E=1.4 GeV]; measured decay products, Eγ, Iγ; deduced isomeric transition energies and T1/2. Comparison with available data. The ISOLDE facility at CERN.

doi: 10.1038/s41586-023-05894-z
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2023KR05      Nucl.Instrum.Methods Phys.Res. B542, 1 (2023)

S.Kraemer, P.Chhetri, S.Bara, A.Claessens, H.De Witte, Y.Elskens, R.Ferrer, Y.Kudryavtsev, S.Sels, P.Van Den Bergh, P.Van Duppen

A setup for vacuum-ultraviolet spectroscopy of the 229Th low-energy isomer

RADIOACTIVITY 229Th(IT), 229Ac(β-); measured decay products; deduced photon spectra, the isomeric decay, the uncertainty on the isomer's excitation energy. The ISOLDE facility.

doi: 10.1016/j.nimb.2023.05.029
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2017FE10      Nat. Commun. 8, 14520 (2017), See 2016FE11

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martínez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS 212,213,214,215,227Ac; measured frequencies; deduced hfs spectra, magnetic dipole and electric quadrupole moments. In-gas laser ionization and spectroscopy (IGLIS) technique.

doi: 10.1038/ncomms14520
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2017GR18      Phys.Rev. C 96, 054331 (2017)

C.Granados, P.Creemers, R.Ferrer, L.P.Gaffney, W.Gins, R.de Groote, M.Huyse, Yu.Kudryavtsev, Y.Martinez, S.Raeder, S.Sels, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wrzosek-Lipska, A.Zadvornaya, A.E.Barzakh, B.Bastin, P.Delahaye, L.Hijazi, N.Lecesne, F.Luton, J.Piot, H.Savajols, J.-C.Thomas, E.Traykov, R.Beerwerth, S.Fritzsche, M.Block, X.Flechard, S.Franchoo, L.Ghys, H.Grawe, R.Heinke, T.Kron, P.Naubereit, K.Wendt, M.Laatiaoui, I.Moore, V.Sonnenschein, M.Loiselet, E.Mogilevskiy, S.Rothe

In-gas laser ionization and spectroscopy of actinium isotopes near the N=126 closed shell

NUCLEAR MOMENTS 212,213,214,215,227Ac; measured optical hyperfine spectra by the in-gas laser ionization and spectroscopy (IGLIS) technique at the LISOL facility of Cyclotron Research Centre, Louvain-la-Neuve; deduced g factors, quadrupole moments and spins of the ground states, configurations. Comparison with large-scale nuclear-shell-model calculations. 212,213Ac produced in 197Au(20Ne, 5n), (20Ne, 4n), E=145 MeV. 214,215Ac produced in 197Au(22Ne, 5n), (22Ne, 4n), E=143 MeV.

RADIOACTIVITY 215Ac(α)[from 197Au(22Ne, 4n), E=143 MeV; measured Eα.

doi: 10.1103/PhysRevC.96.054331
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2016FE11      Nat. Commun. 8, 14520 (2016), See 2017FE10

R.Ferrer, A.Barzakh, B.Bastin, R.Beerwerth, M.Block, P.Creemers, H.Grawe, R.de Groote, P.Delahaye, X.Flechard, S.Franchoo, S.Fritzsche, L.P.Gaffney, L.Ghys, W.Gins, C.Granados, R.Heinke, L.Hijazi, M.Huyse, T.Kron, Yu.Kudryavtsev, M.Laatiaoui, N.Lecesne, M.Loiselet, F.Lutton, I.D.Moore, Y.Martinez, E.Mogilevskiy, P.Naubereit, J.Piot, S.Raeder, S.Rothe, H.Savajols, S.Sels, V.Sonnenschein, J-C.Thomas, E.Traykov, C.Van Beveren, P.Van den Bergh, P.Van Duppen, K.Wendt, A.Zadvornaya

Towards high-resolution laser ionization spectroscopy of the heaviest elements in supersonic gas jet expansion

NUCLEAR MOMENTS 212,213,214,215,227Ac; measured frequencies; deduced nuclear magnetic moments, electric quadrupole moments, radii. Comparison with theoretical calculations, experimental data.

doi: 10.1038/ncomms14520
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2014FE01      Phys.Lett. B 728, 191 (2014)

R.Ferrer, N.Bree, T.E.Cocolios, I.G.Darby, H.De Witte, W.Dexters, J.Diriken, J.Elseviers, S.Franchoo, M.Huyse, N.Kesteloot, Yu.Kudryavtsev, D.Pauwels, D.Radulov, T.Roger, H.Savajols, P.Van Duppen, M.Venhart

In-gas-cell laser ionization spectroscopy in the vicinity of 100Sn: Magnetic moments and mean-square charge radii of N=50-54 Ag

NUCLEAR MOMENTS 97,98,99,100,101,107,109Ag; measured scanning laser frequency, Eγ, Iγ, Eβ, Iβ; deduced magnetic dipole moments, rms radii, hyperfine structures. Comparison with spherical droplet model predictions, available data.

doi: 10.1016/j.physletb.2013.11.055
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2014SE07      Phys.Rev. C 89, 034323 (2014)

M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, P.Van Duppen, M.Venhart, S.G.Zemlyanoy

Electromagnetic moments of odd-A 193-203, 211Po isotopes

RADIOACTIVITY 193Po, 193mPo, 195Po, 195mPo, 197Po, 197mPo, 199Po, 199mPo, 201Po, 201mPo, 203Po, 203mPo, 209Po, 211Po(α)[from 238U(p, F), E=1.4 GeV followed by mass separation]; measured Eα, Eγ, hyperfine splitting parameters for low-spin ground state and high-spin Po activities using in-source resonance ionization spectroscopy technique, and Wildmill chamber at ISOLDE-CERN facility; deduced magnetic dipole and spectroscopic electric quadrupole moments. Comparison with particle-plus-rotor model calculations.

NUCLEAR MOMENTS 193,193m,195,195m,197,197m,199,199m,201,201m,203,203m,209,211Po; measured hyperfine splitting constants; magnetic dipole moments, and spectroscopic electric quadrupole moments, quadrupole deformation parameters using online mass separator and in-source resonance ionization spectroscopy technique at ISOLDE-CERN facility. Comparison with predictions of particle-plus-rotor model calculations, and with previous experimental results. Discussed configuration mixing. Systematics of magnetic moments for 3/2- and 13/2+ states in 187,189,191,193,195Pt, 185,187,189,191,193,195Hg, 187,189,191,193,195,197,199Pb, 193,195,197,199,201,203,205,207Po.

doi: 10.1103/PhysRevC.89.034323
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2013SE03      Phys.Lett. B 719, 362 (2013)

M.D.Seliverstov, T.E.Cocolios, W.Dexters, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedoseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy

Charge radii of odd-A 191-211Po isotopes

NUCLEAR MOMENTS 191,193,195,197,199,201,203,209,211Po; measured optical spectra, isotope shifts, Eα, Iα; deduced mean square charge radii.

doi: 10.1016/j.physletb.2013.01.043
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2013ZA03      Hyperfine Interactions 216, 109 (2013)

V.I.Zagrebaev, S.G.Zemlyanoy, E.M.Kozulin, Yu.Kudryavtsev, V.Fedosseev, R.Bark, H.A.Othman

Production and study of heavy neutron rich nuclei formed in multi-nucleon transfer reactions

NUCLEAR REACTIONS 208Pb(136Xe, X), E(cm)=450 MeV; analyzed available data; deduced new near-barrier collision mechanism for superheavy elements with the closed neutron shells at N=126.

doi: 10.1007/s10751-013-0838-1
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2012CO24      J.Phys.:Conf.Ser. 381, 012072 (2012)

T.E.Cocolios, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjodin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy

Early onset of deformation in the neutron-deficient polonium isotopes

ATOMIC PHYSICS 191,192,193,194,195,196,197,198,199,200,201,202,203,204,206,208,209,210,211,216,218Po[from high-energy proton-induced spallation of 238U]; measured Eα, Iα, Eβ, Iβ, Eγ, Ιg; deduced even-A charge radius. 199g,199mPo deduced hyperfine spectra, γ transition energy, intensity. Compared with earlier papers.

doi: 10.1088/1742-6596/381/1/012072
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2011CO01      Phys.Rev.Lett. 106, 052503 (2011)

T.E.Cocolios, W.Dexters, M.D.Seliverstov, A.N.Andreyev, S.Antalic, A.E.Barzakh, B.Bastin, J.Buscher, I.G.Darby, D.V.Fedorov, V.N.Fedosseyev, K.T.Flanagan, S.Franchoo, S.Fritzsche, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.L.Molkanov, R.D.Page, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.G.Zemlyanoy, M.Bender, P.-H.Heenen

Early Onset of Ground State Deformation in Neutron Deficient Polonium Isotopes

NUCLEAR REACTIONS U(p, X)192Po/194Po/196Po/198Po/200Po/202Po/204Po/206Po/208Po/210Po/216Po/218Po, E=1.4 GeV; measured reaction products, Ee, Ie, Eα, Iα; deduced isotope shifts, mean-square charge radii. Comparison with systematics and FRDM calculations.

doi: 10.1103/PhysRevLett.106.052503
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2010CO01      Phys.Rev. C 81, 014314 (2010)

T.E.Cocolios, A.N.Andreyev, B.Bastin, N.Bree, J.Buscher, J.Elseviers, J.Gentens, M.Huyse, Yu.Kudryavtsev, D.Pauwels, T.Sonoda, P.Van den Bergh, P.Van Duppen

Magnetic dipole moments of 57, 58, 59Cu

NUCLEAR REACTIONS Ni(p, xn)57Cu/58Cu/59Cu, E=30 MeV; Ni(3He, pn)59Cu, E=25 MeV; measured hyperfine spectra of 57,58,59,63,65Cu using in-gas-cell laser spectroscopy at LISOL facility.

NUCLEAR MOMENTS 57,58,59,63,65Cu; measured hyperfine spectra using in-gas-cell resonant ionization laser spectroscopy; deduced g-factors, isotope shifts, magnetic dipole moments, and configuration. Comparison with shell-model calculations using GXPF1 interaction.

doi: 10.1103/PhysRevC.81.014314
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2010CO13      J.Phys.(London) G37, 125103 (2010)

T.E.Cocolios, A.N.Andreyev, S.Antalic, A.Barzakh, B.Bastin, J.Buscher, I.G.Darby, W.Dexters, D.V.Fedorov, V.N.Fedosseev, K.T.Flanagan, S.Franchoo, G.Huber, M.Huyse, M.Keupers, U.Koster, Yu.Kudryavtsev, E.Mane, B.A.Marsh, P.Molkanov, R.D.Page, M.D.Seliverstov, A.M.Sjoedin, I.Stefan, J.Van de Walle, P.Van Duppen, M.Venhart, S.Zemlyanoy

Structure of 191Pb from α- and β-decay spectroscopy

RADIOACTIVITY 191,193Bi(EC), 195Po(α); measured Eα, Iα, Eγ, Iγ; deduced branching ratios, α-decay fine structures, γ-ray energies and intensities, J, π, ICC.

COMPILATION 191,193,195,197,199,201,203,205,207Pb; compiled experimental nuclear structure data.

doi: 10.1088/0954-3899/37/12/125103
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2009CO14      Phys.Rev.Lett. 103, 102501 (2009)

T.E.Cocolios, A.N.Andreyev, B.Bastin, N.Bree, J.Buscher, J.Elseviers, J.Gentens, M.Huyse, Yu.Kudryavtsev, D.Pauwels, T.Sonoda, P.Van den Bergh, P.Van Duppen

Magnetic Dipole Moment of 57, 59Cu Measured by In-Gas-Cell Laser Spectroscopy

NUCLEAR MOMENTS 57,59,63,65Cu; measured hyperfine spectra and parameters; deduced nuclear magnetic dipole moments. Comparison with GXPF1 shell model calculations.

doi: 10.1103/PhysRevLett.103.102501
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2009PA16      Phys.Rev. C 79, 044309 (2009)

D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, M.Huyse, Yu.Kudryavtsev, R.Raabe, M.Sawicka, J.Van de Walle, P.Van Duppen, A.Korgul, I.Stefanescu, A.A.Hecht, N.Hoteling, A.Wohr, W.B.Walters, R.Broda, B.Fornal, W.Krolas, T.Pawlat, J.Wrzesinski, M.P.Carpenter, R.V.F.Janssens, T.Lauritsen, D.Seweryniak, S.Zhu, J.R.Stone, X.Wang

Structure of 65, 67Co studied through the β decay of 65, 67Fe and a deep-inelastic reaction

RADIOACTIVITY 65,65mFe, 65Co, 67Fe(β-)[from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, γγ-, βγ-coin, half-lives. 65Co, 65Ni, 67Co; deduced levels, J, π, configurations. 61,63,65Co; level systematics. Interpretation in terms of core coupled states with proton intruder orbitals.

NUCLEAR REACTIONS 238U(64Ni, X), E=430 MeV; measured Eγ, Iγ, γγ-coin. 65Co; deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.79.044309
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2009ST07      Phys.Rev. C 79, 044325 (2009)

I.Stefanescu, D.Pauwels, N.Bree, T.E.Cocolios, J.Diriken, S.Franchoo, M.Huyse, O.Ivanov, Y.Kudryavtsev, N.Patronis, J.Van De Walle, P.Van Duppen, W.B.Walters

Evidence for a β-decaying 1/2- isomer in 71Ni

RADIOACTIVITY 71Co, 71Ni(β-) [from 238U(p, X), E=30 MeV]; measured Eγ, Iγ, β, γγ-, βγ-coin with laser on Co resonance, half-lives. 71Ni, 71Cu; deduced levels, J, π, configurations. 69Ni, 69Cu; systematics.

doi: 10.1103/PhysRevC.79.044325
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2008FU04      J.Phys.(London) G35, 014041 (2008)

Y.Fujita, B.Rubio, T.Adachi, F.Molina, A.Algora, G.P.A.Berg, P.von Brentano, J.Buscher, T.Cocolios, D.De Frenne, C.Fransen, H.Fujita, K.Fujita, W.Gelletly, K.Hatanaka, M.Huyse, O.Ivanov, Y.Kudryavtsev, E.Jacobs, D.Jordan, K.Nakanishi, A.Negret, D.Pauwels, A.B.Perez-Cerdan, N.Pietralla, Z.Podolyak, L.Popescu, R.Raabe, Y.Sakemi, M.Sawicka, Y.Shimbara, Y.Shimizu, T.Shizuma, Y.Tameshige, A.Tamii, P.Van den Bergh, J.Van de Walle, P.Van Duppen, M.Yosoi, K.O.Zell

Gamow-Teller transitions in exotic pf-shell nuclei relevant to supernova explosion

NUCLEAR REACTIONS 50Cr, 54Fe(3He, t), E=140 MeV/nucleon; measured triton spectra. Deduced B(GT). Merged analysis with β-decay half lives.

doi: 10.1088/0954-3899/35/1/014041
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2008PA33      Phys.Rev. C 78, 041307 (2008)

D.Pauwels, O.Ivanov, N.Bree, J.Buscher, T.E.Cocolios, J.Gentens, M.Huyse, A.Korgul, Yu.Kudryavtsev, R.Raabe, M.Sawicka, I.Stefanescu, J.Van de Walle, P.Van den Bergh, P.Van Duppen, W.B.Walters

Shape isomerism at N = 40: Discovery of a proton intruder state in 67Co

RADIOACTIVITY 67Fe(β-) [from 238U(p, F), E=30 MeV]; measured Eγ, Iγ, Eβ, Iβ, γγ-, γβ-coin, half-lives, multipolarities, logft. 67Co; deduced levels, isomers, configurations by correlation techniques. Comparisons with 57,59,61,63,65,67Co, 68Ni and theoretical data.

doi: 10.1103/PhysRevC.78.041307
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2006TH12      Phys.Rev. C 74, 054309 (2006)

J.-C.Thomas, H.De Witte, M.Gorska, M.Huyse, K.Kruglov, Y.Kudryavtsev, D.Pauwels, N.V.S.V.Prasad, K.Van de Vel, P.Van Duppen, J.Van Roosbroeck, S.Franchoo, J.Cederkall, H.O.U.Fynbo, U.Georg, O.Jonsson, U.Koster, L.Weissman, W.F.Mueller, V.N.Fedosseev, V.I.Mishin, D.Fedorov, A.De Maesschalck, N.A.Smirnova

β-decay properties of 72Ni and 72Cu

RADIOACTIVITY 72Ni, 72Cu(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-coin, T1/2; deduced log ft. 72Cu, 72Zn deduced levels, J, π, configurations.

doi: 10.1103/PhysRevC.74.054309
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2004DE40      Eur.Phys.J. A 21, 243 (2004)

S.Dean, M.Gorska, F.Aksouh, H.de Witte, M.Facina, M.Huyse, O.Ivanov, K.Krouglov, Yu.Kudryavtsev, I.Mukha, D.Smirnov, J.-C.Thomas, K.Van de Vel, J.Van de Walle, P.Van Duppen, J.Van Roosbroeck

The beta decay of neutron-deficient rhodium and ruthenium isotopes

RADIOACTIVITY 91,92,93Rh, 90,91Ru(EC) [from 58Ni(36Ar, xnyp) and 58Ni(40Ar, xnyp)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2; deduced logft. 91,92,93Ru, 90,91Tc deduced levels, J, π, β-feeding intensity. 89Ru, 90Rh(β+p); measured upper limit for β-delayed proton decay branch. Comparison with model predictions.

NUCLEAR REACTIONS 58Ni(40Ar, 4np), (36Ar, np), (36Ar, 2np), (36Ar, n2p), (36Ar, 2n2p), E=135-180 MeV; measured yields. Laser ionisation, mass separation.

doi: 10.1140/epja/i2003-10204-2
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2002KR10      Nucl.Phys. A701, 145c (2002)

K.Kruglov, A.Andreyev, B.Bruyneel, S.S.Dean, S.Franchoo, M.Huyse, Y.Kudryavtsev, W.F.Mueller, N.V.S.V.Prasad, R.Raabe, I.Reusen, K.-H.Schmidt, K.Van de Vel, P.Van Duppen, J.Van Roosbroeck, L.Weissman, and the ISOLDE Collaboration

Production of Neutron-Rich Copper Isotopes in 30-MeV Proton-Induced Fission of 238U

NUCLEAR REACTIONS 238U(p, F)70Cu/71Cu/72Cu/73Cu/74Cu/75Cu/76Cu, E=30 MeV; measured production σ. 238Pu(p, F)78Ni, E=30 MeV; calculated σ. Mass separator, laser ionization.

doi: 10.1016/S0375-9474(01)01563-9
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2002KR13      Eur.Phys.J. A 14, 365 (2002)

K.Kruglov, A.Andreyev, B.Bruyneel, S.Dean, S.Franchoo, M.Gorska, K.Helariutta, M.Huyse, Yu.Kudryavtsev, W.F.Mueller, N.V.S.V.Prasad, R.Raabe, K.-H.Schmidt, P.Van Duppen, J.Van Roosbroeck, K.Van de Vel, L.Weissman

Yields of Neutron-Rich Isotopes Around Z = 28 Produced in 30 MeV Proton-Induced Fission of 238U

NUCLEAR REACTIONS 238U(p, F)65Co/66Co/67Co/68Co/69Co/70Co/68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni/70Cu/71Cu/72Cu/73Cu/74Cu/75Cu/76Cu/74Ga/75Ga/76Ga/77Ga/78Ga/79Ga/80Ga/81Ga, E=30 MeV; measured Eγ, yields, σ, mass distributions parameters. Comparison with statistical model calculations. Optimized production of heavy fission fragments discussed.

doi: 10.1140/epja/i2002-10013-1
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2002KU21      Nucl.Phys. A701, 465c (2002)

Yu.Kudryavtsev, B.Bruyneel, S.Franchoo, M.Huyse, J.Gentens, K.Kruglov, W.F.Mueller, N.V.S.V.Prasad, R.Raabe, I.Reusen, P.Van den Bergh, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, L.Weissman

The Leuven Isotope Separator On-Line Laser Ion Source

RADIOACTIVITY 92Rh(EC); measured Eγ, Iγ. Laser ion source.

doi: 10.1016/S0375-9474(01)01628-1
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2001FR21      Phys.Rev. C64, 054308 (2001)

S.Franchoo, M.Huyse, K.Kruglov, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, A.Wohr, H.Grawe, K.-L.Kratz, B.Pfeiffer, W.B.Walters

Monopole Migration in 69, 71, 73Cu Observed from β Decay of Laser-Ionized 68-74Ni

RADIOACTIVITY 68,69,70,71,72,73,74Ni(β-) [from 238U(p, X)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2. 69,71,73Cu deduced levels, J, π, β-branching, configurations. Resonant laser ionization, electromagnetic mass separation.

NUCLEAR REACTIONS 238U(p, X)68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni, E=30 MeV; measured production rates; calculated σ. Resonant laser ionization, electromagnetic mass separation.

doi: 10.1103/PhysRevC.64.054308
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2000MU10      Phys.Rev. C61, 054308 (2000)

W.F.Mueller, B.Bruyneel, S.Franchoo, M.Huyse, J.Kurpeta, K.Kruglov, Y.Kudryavtsev, N.V.S.V.Prasad, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, L.Weissman, Z.Janas, M.Karny, T.Kszczot, A.Plochocki, K.-L.Kratz, B.Pfeiffer, H.Grawe, U.Koster, P.Thirolf, W.B.Walters

β Decay of 66Co, 68Co, and 70Co

RADIOACTIVITY 66,68,70Co(β-) [from 238U(p, F)]; measured β-delayed Eγ, Iγ, γγ-, βγ-coin, T1/2. 66,68,70Ni deduced levels, J, π, β-branching. Laser-ionization isotope separation on-line. Comparison with shell model results.

NUCLEAR REACTIONS 238U(p, F)68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni/66Co/67Co/68Co/69Co/70Co, E=30 MeV; measured isotope yields. Laser-ionization isotope separation on-line.

doi: 10.1103/PhysRevC.61.054308
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2000VA32      Hyperfine Interactions 127, 401 (2000)

P.Van Duppen, B.Bruyneel, M.Huyse, Y.Kudryavtsev, P.Van Den Bergh, L.Vermeeren

Beams of short-lived nuclei by selective laser ionization in a gas cell

doi: 10.1023/A:1012657431795
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1999MU17      Phys.Rev.Lett. 83, 3613 (1999)

W.F.Mueller, B.Bruyneel, S.Franchoo, H.Grawe, M.Huyse, U.Koster, K.-L.Kratz, K.Kruglov, Y.Kudryavtsev, B.Pfeiffer, R.Raabe, I.Reusen, P.Thirolf, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, W.B.Walters, L.Weissman

Magicity of the 68Ni Semidouble-Closed-Shell Nucleus Probed by Gamow-Teller Decay of the Odd-A Neighbors

RADIOACTIVITY 69Co, 69Ni(β-) [from 238U(p, F)]; measured Eγ, Iγ, γγ-, βγ-coin, T1/2. 69Ni, 69Cu deduced levels, J, π, configurations, core polarization. 69Ni deduced isomeric level. Mass-separated sources.

doi: 10.1103/PhysRevLett.83.3613
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1999RE06      Phys.Rev. C59, 2416 (1999)

I.Reusen, A.Andreyev, J.Andrzejewski, N.Bijnens, S.Franchoo, M.Huyse, Yu.Kudryavtsev, K.Kruglov, W.F.Mueller, A.Piechaczek, R.Raabe, K.Rykaczewski, J.Szerypo, P.Van Duppen, L.Vermeeren, J.Wauters, A.Wohr

β-Decay Study of 54, 55Ni Produced by an Element-Selective Laser Ion Source

RADIOACTIVITY 54,55Ni(β+) [from 54Fe(3He, xnyp)]; measured Eγ, Iγ(t), βγ-coin. 54,55Ni deduced T1/2, β-decay Gamow-Teller strengths. 54Co deduced excited state β-decay Gamow-Teller strength. Element-selective laser ion source.

doi: 10.1103/PhysRevC.59.2416
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1999WE07      Phys.Rev. C59, 2004 (1999)

L.Weissman, A.Andreyev, B.Bruyneel, S.Franchoo, M.Huyse, K.Kruglov, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, U.Koster, K.L.Kratz, B.Pfeiffer, P.Thirolf, W.B.Walters

β Decay of 67Co

RADIOACTIVITY 67Co(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-coin, T1/2. 67Co deduced ground state configuration. 67Ni deduced levels, feeding intensity.

doi: 10.1103/PhysRevC.59.2004
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1999WE09      Nucl.Instrum.Methods Phys.Res. A423, 328 (1999)

L.Weissman, J.Van Roosbroeck, K.Kruglov, A.Andreyev, B.Bruyneel, S.Franchoo, M.Huyse, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, L.Vermeeren

A Detector Setup to Study the Decay Properties of Exotic Nuclei

RADIOACTIVITY 67Co(β-); measured Eγ, Iγ, βγ-coin. 133Ba(EC); measured Eγ, Iγ; deduced detector summing effects. Comparison with Monte Carlo simulations.

doi: 10.1016/S0168-9002(98)01333-3
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1998FR15      Phys.Rev.Lett. 81, 3100 (1998)

S.Franchoo, M.Huyse, K.Kruglov, Y.Kudryavtsev, W.F.Mueller, R.Raabe, I.Reusen, P.Van Duppen, J.Van Roosbroeck, L.Vermeeren, A.Wohr, K.-L.Kratz, B.Pfeiffer, W.B.Walters

Beta Decay of 68-74Ni and Level Structure of Neutron-Rich Cu Isotopes

RADIOACTIVITY 68,69,70,71,72,73,74Ni(β-) [from 238U(p, F)]; measured Eγ, Iγ, βγ-, γγ-coin, T1/2. 69,71,73Cu deduced levels, possible J, π. Laser ion guide, on-line mass seperator.

NUCLEAR REACTIONS, ICPND 238U(p, F)68Ni/69Ni/70Ni/71Ni/72Ni/73Ni/74Ni, E=30 MeV; measured production σ.

doi: 10.1103/PhysRevLett.81.3100
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1997WO06      Nucl.Phys. A621, 289c (1997)

A.Wohr, A.Andreev, N.Bijnens, J.Breitenbach, S.Franchoo, M.Huyse, Y.A.Kudryavtsev, A.Piechaczek, R.R.Raabe, G.Reusen, L.Vermeeren, P.Van Duppen

Can the Waiting-Point Nucleus 78Ni be Studied at an On-Line Mass-Separator ( Question )

NUCLEAR REACTIONS, ICPND 54Fe(3He, 2n), E=27 MeV; 54Fe(3He, 3n), E=45 MeV; measured residuals production σ. 238U(p, F)113Rh/69Ni/71Ni/73Ni, E=65 MeV; measured residuals production rates following fission; deduced 78Ni production related features. Laser ion guide facility.

RADIOACTIVITY 54Ni [from 54Fe(3He, 3n), E=45 MeV]; 55Ni [from 54Fe(3He, 2n), E=27 MeV]; measured T1/2.

doi: 10.1016/S0375-9474(97)00257-1
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1996KU34      Nucl.Instrum.Methods Phys.Res. B114, 350 (1996)

Y.Kudryavtsev, J.Andrzejewski, N.Bijnens, S.Franchoo, J.Gentens, M.Huyse, A.Piechaczek, J.Szerypo, H.Reusen, P.Van Duppen, P.Van Den Bergh, L.Vermeeren, J.Wauters, A.Wohr

Beams of Short Lived Nuclei Produced by Selective Laser Ionization in a Gas Cell

doi: 10.1016/0168-583X(96)00194-2
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1994VE09      Phys.Rev.Lett. 73, 1935 (1994)

L.Vermeeren, N.Bijnens, M.Huyse, Y.A.Kudryavtsev, P.Van Duppen, J.Wauters, Z.N.Qamhieh, P.Thoen, E.Vandeweert, R.E.Silverans

An On-Line Laser Ion Source Based on Resonance Photoionization in a Gas Cell

RADIOACTIVITY 55Ni, 54Co(EC) [from 54Fe(3He, X), E=27 MeV]; measured decay products, Eβ, Iβ; deduced T1/2. Comparison with available data.

doi: 10.1103/physrevlett.73.1935
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1992KU21      Hyperfine Interactions 74, 171 (1992)

Yu.A.Kudryavtsev

Detection of Very Rare Isotopes by Laser Collinear Resonant Ionization of Fast Atoms

NUCLEAR MOMENTS 170,171,172,173,174Yb; analyzed isotope shifts, hfs data; deduced charge radii rms value changes, J, μ, hyperfine constants.

RADIOACTIVITY 156,157Yb(α); 158,159,160,162Yb(β+)(EC); 164,166Yb(EC); 175Yb(β-) [from 181Ta(p, xn4p)]; analyzed isotope shifts, hfs data; deduced charge radii rms value changes, J, μ, hyperfine constants.


1991SC33      J.Phys.(London) B24, 4831 (1991)

Ch.Schulz, E.Arnold, W.Borchers, W.Neu, R.Neugart, M.Neuroth, E.W.Otten, M.Scherf, K.Wendt, P.Lievens, Yu.A.Kudryavtsev, V.S.Letokhov, V.I.Mishin, V.V.Petrunin, and the ISOLDE Collaboration

Resonance Ionization Spectroscopy on a Fast Atomic Ytterbium Beam

RADIOACTIVITY 157,159,175Yb; measured hfs, isotope shifts. Fast atomic Yb beam, resonance ionization spectroscopy.

doi: 10.1088/0953-4075/24/22/020
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1990AP02      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 98 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, 102 (1990)

M.V.Aprelev, Yu.V.Kangropol, Yu.G.Kudryavtsev

Duration of the Reaction (4He, p) at 25.9-MeV Excitation Energy of the Compound Nucleus 117Sb

NUCLEAR REACTIONS 113In(α, p), E ≈ 24 MeV; measured p(X-ray)-coin; deduced reaction duration, compound nucleus formation. K-vacancy method.


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Note: The following list of authors and aliases matches the search parameter Y.Kudryavtsev: , Y.A.KUDRYAVTSEV, Y.G.KUDRYAVTSEV