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NSR database version of May 24, 2024.

Search: Author = Y.A.Lazarev

Found 24 matches.

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2001OG09      Phys.Rev. C64, 064309 (2001)

Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, I.V.Shirokovsky, Yu.S.Tsyganov, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, K.Subotic, Yu.A.Lazarev, K.J.Moody, J.F.Wild, N.J.Stoyer, M.A.Stoyer, R.W.Lougheed, C.A.Laue

Average Charge States of Heavy Atoms in Dilute Hydrogen

ATOMIC PHYSICS Z=89-116; measured average charge states of ions vs velocity in gas-filled recoil separator. Application to synthesis of superheavy nuclei discussed.

doi: 10.1103/PhysRevC.64.064309
Citations: PlumX Metrics


2000LA34      Phys.Rev. C62, 064307 (2000)

Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, A.N.Polyakov, J.Rigol, I.V.Shirokovsky, Yu.S.Tsyganov, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, A.N.Mezentsev, K.Subotic, K.J.Moody, N.J.Stoyer, J.F.Wild, R.W.Lougheed

Decay Properties of 257No, 261Rf, and 262Rf

NUCLEAR REACTIONS 244Pu(22Ne, 4n), (22Ne, 5n), E=114, 120 MeV; 242Pu(22Ne, 4n), (22Ne, 5n), E=114 MeV; 238U(26Mg, 4n), (26Mg, 5n), E=134, 140 MeV; measured Eα, αα-coin following residual nucleus decay; deduced production σ.

RADIOACTIVITY 261,262Rf, 257No(α) [from 244Pu(22Ne, xn) and subsequent decay]; measured Eα, T1/2.

doi: 10.1103/PhysRevC.62.064307
Citations: PlumX Metrics


1999DO19      Nucl.Phys. A656, 259 (1999)

L.Donadille, E.Liatard, B.Benoit, F.Hanappe, L.Stuttge, G.Rudolf, E.M.Kozulin, Yu.A.Lazarev, P.Desesquelles, L.A.Litnevsky, B.Bilwes, J.-F.Bruandet, G.J.Costa, O.Dorvaux, F.Farget, J.Fayot, G.Guillaume, A.Huck, I.Itkis, M.G.Itkis, S.Jokic, N.A.Kondratev, F.-R.Lecolley, J.-F.Lecolley, Yu.Ts.Oganessian, G.Perrin, D.Santos, F.Schussler, S.Tomasevic, J.-B.Viano, B.Vignon

Fission Dynamics for Capture Reactions in 58, 64Ni + 208Pb Systems: New results in terms of thermal energy and neutron multiplicity correlated distributions

NUCLEAR REACTIONS 208Pb(58Ni, F), E=6.5-8.9 MeV/nucleon; 208Pb(64Ni, F), E=5.9-7.4 MeV/nucleon; measured fission fragments mass, kinetic energy distributions, neutron multiplicity; deduced friction coefficient, fission time, pre-, post-scission neutron distributions. Combined dynamical and statistical model.

doi: 10.1016/S0375-9474(99)00306-1
Citations: PlumX Metrics


1996LA12      Phys.Rev. C54, 620 (1996)

Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, A.N.Polyakov, J.Rigol, I.V.Shirokovsky, Yu.S.Tsyganov, S.Iliev, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, B.N.Gikal, V.B.Kutner, A.N.Mezentsev, K.Subotic, J.F.Wild, R.W.Lougheed, K.J.Moody

α Decay of 273110: Shell closure at N = 162

NUCLEAR REACTIONS 244Pu(34S, X), E=190 MeV; measured Eα, Iα; deduced production σ for 273Ds.

RADIOACTIVITY 273Ds(α) [from 244Pu(34S, X), E=190 MeV]; measured Eα, Iα, T1/2.

doi: 10.1103/PhysRevC.54.620
Citations: PlumX Metrics


1995LA09      Nucl.Phys. A588, 501 (1995)

Yu.A.Lazarev, I.V.Shirokovsky, V.K.Utyonkov, S.P.Tretyakova, V.B.Kutner

Spontaneous Fission of Light Californium Isotopes Produced in 206,207,208Pb + 34,36S Reactions; New nuclide 238Cf

RADIOACTIVITY 237,238,240Cf(SF) [from 206,207,208Pb(34S, X), 206Pb(36S, X), E=215 MeV; 208Pb(40Ar, X), E=225 MeV]; measured T1/2; deduced spontaneous fission branches. 242Cf(SF); measured upper limit for spontaneous fission branch.

NUCLEAR REACTIONS 206,207,208Pb(34S, X), 206Pb(36S, X), E=215 MeV; 208Pb(40Ar, X), E=225 MeV; measured production σ for spontaneously fissioning 237,238,240Cf nuclei. Isotopically enriched targets.

doi: 10.1016/0375-9474(95)00002-I
Citations: PlumX Metrics


1995LA20      Phys.Rev.Lett. 75, 1903 (1995)

Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, Yu.S.Tsyganov, V.K.Utyonkov, F.Sh.Abdullin, S.Iliev, A.N.Polyakov, J.Rigol, I.V.Shirokovsky, V.G.Subbotin, A.M.Sukhov, G.V.Buklanov, B.N.Gikal, V.B.Kutner, A.N.Mezentsev, I.M.Sedykh, D.V.Vakatov, R.W.Lougheed, J.F.Wild, K.J.Moody, E.K.Hulet

New Nuclide 267108 Produced by the 238U + 34S Reaction

NUCLEAR REACTIONS, ICPND 238U(34S, X)267Hs, E=186 MeV; measured Eα, Iα; deduced residual production σ.

RADIOACTIVITY 267Hs(α) [from 238U(34S, X), E=186 MeV]; measured Eα, Iα, T1/2.

doi: 10.1103/PhysRevLett.75.1903
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1994BE49      Nucl.Instrum.Methods Phys.Res. A346, 196 (1994)

R.Beraud, A.Emsallem, A.Astier, R.Bouvier, R.Duffait, Y.Le Coz, S.Morier, A.Wojtasiewicz, Yu.A.Lazarev, I.V.Shirokovsky, I.N.Izosimov, D.Barneoud, J.Genevey, A.Gizon, R.Guglielmini, G.Margotton, J.L.Vieux-Rochaz

Development of a New SARA/IGISOL Technique for the Study of Short-Lived Products from Heavy-Ion-Induced Fusion-Evaporation Reactions

NUCLEAR REACTIONS 116Cd(40Ar, 6n), E not given; measured residual yield vs He pressure. New ion guide chamber.

doi: 10.1016/0168-9002(94)90704-8
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1994LA22      Phys.Rev.Lett. 73, 624 (1994)

Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, G.V.Buklanov, B.N.Gikal, S.Iliev, A.N.Mezentsev, A.N.Polyakov, I.M.Sedykh, I.V.Shirokovsky, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.E.Zhuchko, R.W.Lougheed, K.J.Moody, J.F.Wild, E.K.Hulet, J.H.McQuaid

Discovery of Enhanced Nuclear Stability Near the Deformed Shells N = 162 and Z = 108

NUCLEAR REACTIONS 248Cm(22Ne, X), E=116, 121 MeV; measured Eα, Iα; deduced evidence for 265Sg, 266Sg.

RADIOACTIVITY 265Sg, 266Sg(α); measured Eα, Iα; deduced T1/2, SF-decay upper limits. 262Rf [from 266Sg(α-decay)]; measured T1/2.

doi: 10.1103/PhysRevLett.73.624
Citations: PlumX Metrics


1994LA25      Nucl.Phys. A580, 113 (1994)

Yu.A.Lazarev, Yu.Ts.Oganessian, Z.Szeglowski, V.K.Utyonkov, Yu.P.Kharitonov, O.Constantinescu, D.Lien, I.V.Shirokovsky, S.P.Tretyakova

Cross Sections of the (HI, αn) Channel in the Cold-Fusion-Type Reactions 209Bi + 40Ar and 208Pb + 37Cl

NUCLEAR REACTIONS 209Bi(40Ar, X), 208Pb(37Cl, X), E=230 MeV; measured production σ for 240Cm; deduced σ upper limits for (40Ar, αn), (37Cl, αn), other reactions. Enriched targets, radiochemistry technique.

RADIOACTIVITY 242Es, 238Bk(EC); measured T1/2, EC-delayed fission yields; deduced delayed fission branching in 238Bk.

doi: 10.1016/0375-9474(94)90818-4
Citations: PlumX Metrics


1994LO27      J.Alloys and Compounds 213/214, 61 (1994)

R.W.Lougheed, K.J.Moody, J.FD.Wild, E.K.Hulet, J.H.McQuaid, Yu.A.Lazarev, Yu.V.Lobanov, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, G.V.Buklanov, B.N.Gikal, S.Iliev, A.N.Mezentsev, A.N.Polyakov, I.M.Sedykh, I.V.Shirokovsky, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.E.Zhuchko

Observation of enhanced nuclear stability near the 162 neutron shell

RADIOACTIVITY 265,266Sg(α) [from 248Cm(22Ne, xn)]; measured Eα, T1/2. 262Rf(SF) [from 266Sg decay]; measured T1/2. Comparison with model predictions.

doi: 10.1016/0925-8388(94)90881-8
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1994OG02      Z.Phys. A349, 341 (1994)

Yu.Ts.Oganessian, Yu.A.Lazarev, V.L.Mikheev, Yu.A.Muzychka, I.V.Shirokovsky, S.P.Tretyakova, V.K.Utyonkov

Search for Cluster Decay of 114Ba

NUCLEAR REACTIONS 58Ni(58Ni, 2n), E=280 MeV; measured 12C track range(energy) spectra. 114Ba deduced 12C-decay T1/2 lower limit. Polycarbonate track detectors.

RADIOACTIVITY 114Ba(12C) [from 58Ni(58Ni, 2n), E=280 MeV]; measured 12C track range(energy) spectra; deduced 12C-decay T1/2 lower limit. Polycarbonate track detectors.

doi: 10.1007/BF01288988
Citations: PlumX Metrics


1993LA01      Phys.Rev.Lett. 70, 1220 (1993)

Yu.A.Lazarev, I.I.Gontchar, N.D.Mavlitov

Long-Lifetime Fission Component and Langevin Fluctuation-Dissipation Dynamics of Heavy-Ion Induced Nuclear Fission

NUCLEAR REACTIONS 181Ta(19F, F), E=80-140 MeV; 232Th(19F, F), E=98 MeV; 208Pb(32S, F), E=176 MeV; analyzed fission data; deduced long T1/2 fission component features. Langevin fluctuation-dissipation dynamics.

doi: 10.1103/PhysRevLett.70.1220
Citations: PlumX Metrics


1989LA07      Phys.Scr. 39, 422 (1989)

Yu.A.Lazarev, Yu.V.Lobanov, R.N.Sagaidak, V.K.Utyonkov, M.Hussonnois, Yu.P.Kharitonov, I.V.Shirokovsky, S.P.Tretyakova, Yu.Ts.Oganessian

Study of the Stability of the Ground States and K-Isomeric States of 250Fm and 254102 against Spontaneous Fission

RADIOACTIVITY 250,250mFm(α) [from 249Cf(α, 3n), E=34 MeV]; 254,254mNo(α) [from 208Pb(48Ca, 2n)]; measured Eα, Iα; deduced SF(T1/2), branching ratios.

NUCLEAR REACTIONS 206,208Pb(48Ca, xn), E(cm)=169-180 MeV; measured Eα, Iα; deduced 254102 total yield.

doi: 10.1088/0031-8949/39/4/002
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1987LA10      Phys.Scr. 35, 255 (1987)

Yu.A.Lazarev

Influence of Pairing Correlations on the Probability and Dynamics of Tunnelling through the Barrier in Fission and Fusion of Complex Nuclei

RADIOACTIVITY 240Pu(SF); calculated fission barrier penetrability, action integral vs pairing gap, barrier height. Solvable model.

doi: 10.1088/0031-8949/35/3/007
Citations: PlumX Metrics


1987LA23      Europhys.Lett. 4, 893 (1987)

Yu.A.Lazarev, Yu.Ts.Oganessian, I.V.Shirokovsky, S.P.Tretyakova, V.K.Utyonkov, G.V.Buklanov

Observation of Delayed Nuclear Fission in the Region of 180Hg

NUCLEAR REACTIONS 144,147,150Sm(40Ca, F), 144Sm(40Ar, F), E=230 MeV; measured delayed fission event time distribution. 180Hg deduced β-delayed fission evidence. Enriched targets.

RADIOACTIVITY 180Hg [from 144Sm(40Ca, X), E=230 MeV]; measured β-delayed fission T1/2.

doi: 10.1209/0295-5075/4/8/006
Citations: PlumX Metrics


1974LA20      Phys.Lett. 52B, 321 (1974)

Y.A.Lazarev, O.K.Nefediev, Y.T.Oganessian, M.Dakowski

Multiplicity of Prompt Neutrons from Spontaneous Fission of the Isotope 252102

RADIOACTIVITY, Fission 252No(SF); measured neutron multiplicity ν-bar.

doi: 10.1016/0370-2693(74)90052-5
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Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41559.


1973DA16      Yad.Fiz. 17, 692 (1973); Sov.J.Nucl.Phys. 17, 360 (1974)

M.Dakovskii, Y.A.Lazarev, Y.T.Oganesyan, G.V.Buklanov

Prompt Neutrons in the Spontaneous Fission of Cf246

RADIOACTIVITY, Fission 246Cf(SF); measured prompt neutron multiplicity.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40188.


1973DA34      Yad.Fiz. 18, 724 (1973); Sov.J.Nucl.Phys. 18, 371 (1974)

M.Dakovskii, Y.A.Lazarev, Y.T.Oganesyan

Prompt-Neutron Multiplicity in Spontaneous Fission

RADIOACTIVITY, Fission 244,246Cm(SF); measured ν-bar.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40203.


1972DA11      Yad.Fiz. 16, 1167 (1972); Sov.J.Nucl.Phys. 16, 641 (1973)

M.Dakovskii, Y.A.Lazarev, Y.T.Oganesyan

Average Number of Prompt Neutrons in the Spontaneous Fission of Fm256

RADIOACTIVITY, Fission 256Fm(SF); measured ν.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40141.


1972DA22      JINR-P15-6730 (1972)

M.Dakowski, Y.A.Lazarev, Y.T.Oganesian, G.V.Buklanov

Prompt Neutrons for Spontaneous Fission of 246Cf

RADIOACTIVITY, Fission 246Cf(SF); measured average prompt neutron number.


1971FL02      Nucl.Phys. A160, 181 (1971)

G.N.Flerov, Y.T.Oganesian, Y.V.Lobanov, Y.A.Lazarev, S.P.Tretiakova, I.V.Kolesov, V.M.Plotko

On the Synthesis of Element 105

RADIOACTIVITY 261Db, 256,257,258Lr; measured T1/2.

NUCLEAR REACTIONS 243Am(22Ne, 4n), (18O, 4n), (18O, 5n), 239Pu(20Ne, 3nα), 235U(22Ne, 5n), E=105-150 MeV; measured σ(E). Enriched targets.

doi: 10.1016/0375-9474(70)90182-X
Citations: PlumX Metrics


1970DA05      Nucl.Phys. A148, 492 (1970)

B.Dalhsuren, G.N.Flerov, Y.P.Gangrsky, Y.A.Lazarev, B.N.Markov, Nguyen Cong Khanh

Production of Spontaneously Fissioning Isomers 242Am and 244Am by Slow Neutron Capture

NUCLEAR REACTIONS 241,243Am(n, γ), (n, F), E=0.2-20 eV; measured delayed, prompt fission σ ratios, (n)(fission fragment)-delay. 242,244Am [SF-isomers] deduced T1/2.

doi: 10.1016/0375-9474(70)90642-1
Citations: PlumX Metrics


1970FL16      At.Energ. 29, 243 (1970); Sov.At.Energy 29, 967 (1970)

G.N.Flerov, Y.T.Oganesyan, Y.V.Lobanov, Y.A.Lazarev, S.P.Tretyakova, I.V.Kolesov, V.M.Plotko

Synthesis of Element 105

NUCLEAR REACTIONS 243Am(22Ne, X), E=100-160 MeV; 261Db, 256,257,258Lr [SF-isomer] deduced T1/2.

RADIOACTIVITY, Fission 256,257Lr(SF); measured T1/2.


1970OG05      At.Energ.USSR 28, 393 (1970); Soviet J.At.Energy 28, 502 (1970)

Y.T.Oganesyan, Y.V.Lobanov, S.P.Tretyakova, Y.A.Lazarev, I.V.Kolesov, K.A.Gavrilov, V.M.Plotko, Y.V.Poluboyarinov

Identification of the Elements 102 and 104 by Means of the Collimation Method

RADIOACTIVITY, Fission 242Am, 252,256No, 259,260Rf deduced yields, T1/2(SF).

NUCLEAR REACTIONS 197Au(14N, xn), 238U(22Ne, xnyp), 235U(22Ne, 5n), 242Pu(22Ne, X), E not given; measured σ(θ(recoil)).


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