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NSR database version of April 11, 2024.

Search: Author = A.Y.Rusanov

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2011GO27      J.Korean Phys.Soc. 59, 919s (2011)

D.M.Gorodisskiy, K.V.Kovalchuk, S.I.Mulgin, A.Ya.Rusanov, S.V.Zhdanov

PYF: Predictions of Fragment Mass Yields for Transmutation of Minor Actinides

NUCLEAR REACTIONS ²³⁵U(p, f), E=12.5 MeV;²³²Th, ²³⁸U(n, f), E≈5 MeV;²³⁸U(n, f), E=16.5 MeV;²³⁷Np(n, f), E=5.4, 5.5, 16.5, 18 MeV;²³⁹Pu(n, f), E=5.3, 7.9, 14.0, 14.5 MeV;²⁴²Pu(n, f), E=15.1 MeV; calculated fragment yields using PYF code; deduced model parameters. Presented also simple formulae. Comparison to data. Also calculations for unknown target (n, f), E=13, 27.5, 50, 99.5, 160 MeV.

doi: 10.3938/jkps.59.919
Citations: PlumX Metrics

2011IT06      Phys.Rev. C 83, 064613 (2011)

I.M.Itkis, E.M.Kozulin, M.G.Itkis, G.N.Knyazheva, A.A.Bogachev, E.V.Chernysheva, L.Krupa, Yu.Ts.Oganessian, V.I.Zagrebaev, A.Ya.Rusanov, F.Goennenwein, O.Dorvaux, L.Stuttge, F.Hanappe, E.Vardaci, E.de Goes Brennand

Fission and quasifission modes in heavy-ion-induced reactions leading to the formation of Hs^*

NUCLEAR REACTIONS ²⁴⁹Cf(²²Ne, X)²⁷¹Hs^*, E=102, 127 MeV; ²⁴⁸Cm(²⁶Mg, X)²⁷⁴Hs^*, E=129, 143, 160 MeV; ²³⁸U(³⁶S, X)²⁷⁴Hs^*, E=173, 179, 186, 198 MeV; ²⁰⁸Pb(⁵⁸Fe, X)²⁶⁶Hs^*, E=289, 305, 315, 324 MeV; measured binary reaction product spectra in coincidence mode using TOF; deduced yields, mass-energy and TKE distributions of binary products. Comparison of measured fragment mass-energy distributions with those expected for fission processes of excited compound nucleus in the framework of the liquid drop model and empirical systematics.

doi: 10.1103/PhysRevC.83.064613
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0885.

2009MU08      Nucl.Phys. A824, 1 (2009)

S.I.Mulgin, S.V.Zhdanov, N.A.Kondratiev, K.V.Kovalchuk, A.Ya.Rusanov

The modal structure of fragment mass and energy yields from the 10.3-30.0 MeV proton induced fission of ²³²Th and ²³⁵U

NUCLEAR REACTIONS ²³²Th, ²³⁵U(p, F), E=10.3-30.0 MeV; measured fission fragment kinetic energy and mass distributions using a surface-barrier silicon detector. Multi-modal fission characteristics discussed.

doi: 10.1016/j.nuclphysa.2009.03.013
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0697.

2008GO01      Ann.Nucl.Energy 35, 238 (2008)

D.M.Gorodisskiy, K.V.Kovalchuk, S.I.Mulgin, A.Ya.Rusanov, S.V.Zhdanov

Systematics of fragment mass yields from fission of actinide nuclei induced by the 5-200 MeV protons and neutrons

NUCLEAR REACTIONS ²³²Th, ^235,236U, ²⁴⁰Pu(p, X), E=10.3, 12.5, 22.0 MeV; ²³²Th, ²³⁷Np, ²³⁸U, ²³⁹Pu(n, X), E=5.0-5.6 MeV; ²³⁸Np, ²³⁹U(n, X), E=16.5 MeV; ²³⁸U(n, X), E=13-160 MeV; calculated fission fragment yields. Compared results to data.

doi: 10.1016/j.anucene.2007.06.002
Citations: PlumX Metrics

2008PA24      Nucl.Phys. A810, 77 (2008)

V.V.Pashkevich, A.Ya.Rusanov

The ²²⁶Th fission valleys

NUCLEAR STRUCTURE ²²⁶Th; calculated deformation potential energy surface prior to scission. Symmetry and asymmetry deformation of fission valleys discussed.

doi: 10.1016/j.nuclphysa.2008.06.013
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2008PR03      Nucl.Phys. A802, 45 (2008)

E.V.Prokhorova, A.A.Bogachev, M.G.Itkis, I.M.Itkis, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, Yu.Ts.Oganessian, I.V.Pokrovsky, V.V.Pashkevich, A.Ya.Rusanov

The fusion-fission and quasi-fission processes in the reaction ⁴⁸Ca + ²⁰⁸Pb at energies near the Coulomb barrier

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), E=206?242 MeV; measured fragment yields, mass and energy distributions and capture-fission σ. Discussed reaction mechanism in terms of fusion?fission and quasi-fission.

doi: 10.1016/j.nuclphysa.2008.01.016
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1297.

2008RU06      Phys.Atomic Nuclei 71, 956 (2008); Yad.Fiz. 71, 984 (2008)

A.Ya.Rusanov, M.G.Itkis, N.A.Kondratiev, V.V.Pashkevich, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the ²⁰⁸Pb(¹⁸O, f) fission reaction: Mass-energy distributions of fission fragments and their correlation with the gamma-ray multiplicity

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78.0 - 198.5 MeV; measured fission fragment mass and energy distributions, Eγ, Inullfrom fission fragment distributions. Compared results to model calculations.

doi: 10.1134/S1063778808060021
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1046.

2007IT03      Int.J.Mod.Phys. E16, 957 (2007)

M.G.Itkis, A.A.Bogachev, I.M.Itkis, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, A.Ya.Rusanov, V.M.Voskresenski, V.A.Rubchenya, W.H.Trzaska

The process of fusion-fission of superheavy nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), (⁵⁰Ti, X), (⁵⁶Fe, X), (⁸⁶Kr, X), E not given; ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E not given; measured fragment mass distributions, yields and cross sections.

doi: 10.1142/S0218301307006423
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2007IT04      Nucl.Phys. A787, 150c (2007)

M.G.Itkis, A.A.Bogachev, I.M.Itkis, J.Kliman, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, A.Ya.Rusanov

The processes of fusion-fission and quasi-fission of superheavy nuclei

NUCLEAR REACTIONS ²⁰⁸Pb(²⁶Mg, F), (⁴⁸Ca, F), (⁵⁰Ti, F), (⁵⁸Fe, F), (⁶⁴Ni, F), E not given; measured capture, fusion-fission σ; ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, F), E not given; measured fission fragments energy and mass distributions. ^144,154Sm, ¹⁶⁸Er, ¹⁷⁴Yb, ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, F), E not given; ²⁰⁸Pb(⁵⁸Fe, F), E not given; ²⁴⁸Cm(²⁶Mg, F), E not given; measured fission fragments energy and mass distributions, quasi-fission, capture σ. ²⁴⁶Cm(⁴⁸Ca, F), E not given; ²⁴⁴Pu(⁵⁰Ti, F), E not given; measured capture, fusion-fission σ. ²³²Th, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, F), E not given; ²⁴²Pu(⁶⁴Ni, F), E not given; measured fission fragments energy and mass distributions. ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, F), E not given; ²⁰⁸Pb(⁸⁶Kr, F), E not given; measured capture, fusion-fission σ. ²⁰⁶Pb(⁴⁴Ca, F), E=218 MeV; ¹⁸⁶W(⁶⁴Ni, F), E=300 MeV; measured fission fragments mass distributions, average energy. Super heavy element synthesis, fission and fusion reaction mechanisms discussed.

doi: 10.1016/j.nuclphysa.2006.12.026
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2007RU15      Phys.Atomic Nuclei 70, 1669 (2007); Yad.Fiz. 70, 1715 (2007)

A.Ya.Rusanov, M.G.Itkis, N.A.Kondratiev, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the reaction ²⁰⁸Pb(¹⁸O, f): Folding angular distributions of fission fragments and gamma-ray multiplicity

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78.0-198.5 MeV; measured fission fragment energy, momentum, angular distributions, and total γ-ray multiplicities.

doi: 10.1134/S1063778807100018
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1046.

2007RU16      Phys.Atomic Nuclei 70, 1679 (2007); Yad.Fiz. 70, 1724 (2007)

A.Ya.Rusanov, G.D.Adeev, M.G.Itkis, A.V.Karpov, P.N.Nadtochy, V.V.Pashkevich, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the reaction ²⁰⁸Pb(¹⁸O, f): Fragment spins and phenomenological analysis of the angular anisotropy of fission fragments

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78.0-198.5 MeV; measured Eγ, Iγ, average multiplicity from fission fragments. Deduced total spins of fission fragments.

doi: 10.1134/S106377880710002X
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2006IT05      Phys.Lett. B 640, 32 (2006)

I.M.Itkis, A.A.Bogachev, A.Yu.Chizhov, D.M.Gorodisskiy, M.G.Itkis, G.N.Kniajeva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, S.I.Mulgin, I.V.Pokrovsky, E.V.Prokhorova, A.Ya.Rusanov, V.M.Voskressenski, S.V.Zhdanov

What can one learn about lithium breakup from the fission reaction of ²³²Th(⁶Li, f) at energies around the Coulomb barrier?

NUCLEAR REACTIONS ²³²Th(⁶Li, F), E=28.5-62.5 MeV; measured fission fragments energy and mass distributions, folding angle distributions; deduced incomplete and complete fusion contributions.

doi: 10.1016/j.physletb.2006.07.026
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO1442.

2006IT09      Phys.Lett. B 640, 23 (2006)

I.M.Itkis, A.A.Bogachev, A.Yu.Chizhov, D.M.Gorodisskiy, M.G.Itkis, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, S.I.Mulgin, I.V.Pokrovsky, E .V.Prokhorova, A.Ya.Rusanov, V.M.Voskressenski, S.V.Zhdanov

What can one learn about lithium breakup from the fission reaction of ²³²Th(⁶Li, f) at energies around the Coulomb barrier

NUCLEAR REACTIONS ²³²Th(⁶Li, f), E=28.5-62.5 MeV; measured products; deduced yields. Data were imported from EXFOR entry O1442.

doi: 10.1016/j.physletb.2006.07.026
Citations: PlumX Metrics

2004IT05      Nucl.Phys. A734, 136 (2004)

M.G.Itkis, J.Aysto, S.Beghini, A.A.Bogachev, L.Corradi, O.Dorvaux, A.Gadea, G.Giardina, F.Hanappe, I.M.Itkis, M.Jandel, J.Kliman, S.V.Khlebnikov, G.N.Kniajeva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, A.Latina, T.Materna, G.Montagnoli, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, N.Rowley, V.A.Rubchenya, A.Ya.Rusanov, R.N.Sagaidak, F.Scarlassara, A.M.Stefanini, L.Stuttge, S.Szilner, M.Trotta, W.H.Trzaska, D.N.Vakhtin, A.M.Vinodkumar, V.M.Voskresensky, V.I.Zagrebaev

Shell effects in fission and quasi-fission of heavy and superheavy nuclei

NUCLEAR REACTIONS ²⁰⁴Pb(¹²C, X), ^144,154Sm, ¹⁶⁸Er, ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), ²⁰⁸Pb, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, X), ¹⁸⁶W, ²⁴²Pu(⁶⁴Ni, X), E^* ≈ 30-50 MeV; calculated fission fragment kinetic energy and mass distributions, neutron and γ multiplicities; deduced shell effects in fission and quasi-fission processes.

doi: 10.1016/j.nuclphysa.2004.01.022
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2004IT07      Nucl.Phys. A734, E29 (2004)

M.G.Itkis, B.Benoit, A.A.Bogachev, D.M.Gorodisskiy, F.Hanappe, I.M.Itkis, M.Jandel, J.Kliman, N.A.Kondratiev, E.M.Kozulin, L.Krupa, T.Materna, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, A.Ya.Rusanov, L.Stuttge, V.M.Voskressenski

Energy balance in fission and quasifission of ²⁵⁶No

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), E=230 MeV; measured fission fragments mass distribution, kinetic and excitation energy distributions, pre- and post-scission neutron and γ-ray multiplicities; deduced energy distribution features.

doi: 10.1016/j.nuclphysa.2004.03.012
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2004IT12      Acta Phys.Hung.N.S. 19, 9 (2004)

M.G.Itkis, S.Beghini, A.A.Bogatchev, L.Corradi, O.Dorvaux, F.Hanappe, A.Gadea, G.Giardina, I.M.Itkis, M.Jandel, J.Kliman, G.N.Kniajeva, N.A.Kondratiev, I.V.Korzyukov, E.M.Kozulin, L.Krupa, L.Latina, T.Materna, G.Montagnoli, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, N.Rowley, A.Ya.Rusanov, F.Scarlassara, A.M.Stefanini, L.Stuttge, S.Szilner, M.Trotta, V.M.Voskressenski

Shell Effects in Fusion-Fission of Heavy and Superheavy Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E^* ≈ 33 MeV; ²³²Th, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, X), E ≈ 328 MeV; ¹⁶⁸Er(⁴⁸Ca, X), E=180-204 MeV; ²⁰⁴Pb(¹²C, X), E=73 MeV; analyzed fragments energy and mass distributions; deduced shell effects.

doi: 10.1556/APH.19.2004.1-2.3
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2003CH04      Phys.Rev. C 67, 011603 (2003)

A.Yu.Chizhov, M.G.Itkis, I.M.Itkis, G.N.Kniajeva, E.M.Kozulin, N.A.Kondratiev, I.V.Pokrovsky, R.N.Sagaidak, V.M.Voskresensky, A.V.Yeremin, L.Corradi, A.Gadea, A.Latina, A.M.Stefanini, S.Szilner, M.Trotta, A.M.Vinodkumar, S.Beghini, G.Montagnoli, F.Scarlassara, A.Ya.Rusanov, F.Hanappe, O.Dorvaux, N.Rowley, L.Stuttge

Unexpected entrance-channel effect in the fission of ²¹⁶Ra

NUCLEAR REACTIONS ²⁰⁴Pb(¹²C, X), E=56-90 MeV; ¹⁶⁸Er(⁴⁸Ca, X), E=180-208 MeV; measured fission fragment energy and mass distributions; deduced contributions from asymmetric fission, role of quasifission process.

doi: 10.1103/PhysRevC.67.011603
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2003GO13      Yad.Fiz. 66, 1226 (2003); Phys.Atomic Nuclei 66, 1190 (2003)

D.M.Gorodisskiy, S.I.Mulgin, A.Ya.Rusanov, S.V.Zhdanov

Isotopic Invariance of Fission Fragment Charge Distributions for Actinide Nuclei at Excitation Energies above 10 MeV

NUCLEAR REACTIONS ²³³Pa, ^{234,236,237,239}Np, ^{239,240,241,243}Am, ²⁴⁵Bk(p, F), E=10.3, 22.0 MeV; measured fission fragment charge and mass distributions; deduced weak dependence on compound nucleus neutron number.

doi: 10.1134/1.1586436
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2003IT03      Yad.Fiz. 66, 1154 (2003); Phys.Atomic Nuclei 66, 1118 (2003)

M.G.Itkis, S.Beghini, A.A.Bogatchev, L.Corradi, O.Dorvaux, A.Gadea, G.Giardina, A.A.Goverdovski, F.Hanappe, I.M.Itkis, M.Jandel, J.Kliman, G.N.Kniajeva, N.A.Kondratiev, I.V.Korzyukov, E.M.Kozulin, L.Krupa, L.Latina, T.Materna, G.Montagnoli, K.J.Moody, Yu.Ts.Oganessian, I.V.Pokrovsky, V.A.Ponomarenko, E.V.Prokhorova, N.Rowley, A.Ya.Rusanov, F.Scarlassara, A.M.Stefanini, L.Stuttge, S.Szilner, M.Trotta, A.M.Vinodkumar, V.M.Voskressensky

Fusion-Fission of Heavy and Superheavy Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E^* ≈ 33 MeV; ²³²Th, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, X), E^*=33-53 MeV; ¹⁶⁸Er(⁴⁸Ca, X), E^*=30-48 MeV; measured fission fragment kinetic energy and mass distributions. ¹⁵⁴Sm, ¹⁶⁸Er, ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), E^* ≈ 33 MeV; measured quasifission σ vs capture σ.

doi: 10.1134/1.1586425
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2003PO06      Yad.Fiz. 66, 1234 (2003); Phys.Atomic Nuclei 66, 1198 (2003)

I.V.Pokrovsky, A.Yu.Chizhov, M.G.Itkis, I.M.Itkis, G.N.Kniajeva, E.M.Kozulin, N.A.Kondratiev, R.N.Sagaidak, V.M.Voskressensky, L.Corradi, A.M.Stefanini, M.Trotta, A.M.Vinodkumar, S.Beghini, G.Montagnoli, F.Scarlassara, A.Ya.Rusanov, F.Hanappe, O.Dorvaux, N.Rowley, L.Stuttge

The Effect of the Entrance Channel on the Fission of ²¹⁶Ra

NUCLEAR REACTIONS ²⁰⁴Pb(¹²C, X), E=73 MeV; ¹⁶⁸Er(⁴⁸Ca, X), E=194 MeV; measured fission fragment energy and mass distributions; deduced entrance channel effects.

doi: 10.1134/1.1586437
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2002GO32      Phys.Lett. 548B, 45 (2002)

D.M.Gorodisskiy, S.I.Mulgin, V.N.Okolovich, A.Y.Rusanov, S.V.Zhdanov

Isotopic and isotonic effects in fission-fragment mass yields of actinide nuclei

NUCLEAR REACTIONS ²³²Th, ^{233,235,236,238}U, ^{238,239,240,242}Pu, ²⁴⁴Cm(p, F), E=10.3 MeV; measured fission fragment mass distributions; deduced isotopic and isotonic effects.

doi: 10.1016/S0370-2693(02)02838-1
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2002IT10      J.Nucl.Radiochem.Sci. 3, No 1, 57 (2002)

M.G.Itkis, A.A.Bogatchev, I.M.Itkis, M.Jandel, J.Kliman, G.N.Kniajeva, N.A.Kondratiev, I.V.Korzyukov, E.M.Kozulin, L.Krupa, Yu.Ts.Oganessian, I.V.Pokrovsky, V.A.Ponomarenko, E.V.Prokhorova, A.Ya.Rusanov, V.M.Voskressenski, A.A.Goverdovski, F.Hanappe, T.Materna, N.Rowley, L.Stuttge, G.Giardina, K.J.Moody

Fusion-fission of Superheavy Nuclei

NUCLEAR REACTIONS ²⁰⁸Pb, ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, X), ²⁴⁸Cm(²²Ne, X), (²⁶Mg, X), ²⁰⁸Pb, ²⁴⁴Pu, ²⁴⁸Cm(⁵⁸Fe, X), ²⁰⁸Pb(⁸⁶Kr, X), E^* ≈ 33 MeV; measured fusion, fission σ, fragment mass distributions.

2001CH50      Phys.Rev.Lett. 87, 052701 (2001)

G.G.Chubarian, M.G.Itkis, N.A.Kondratiev, E.M.Kozulin, V.V.Pashkevich, I.V.Pokrovsky, A.Ya.Rusanov, V.S.Salamatin, R.P.Schmitt

Gamma-Ray Multiplicities and Fission Modes in ²⁰⁸Pb(¹⁸O, f)

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78-198 MeV; measured fission fragment yields, fission mode dependence of γ-ray multiplicity. Comparison with model predictions.

doi: 10.1103/PhysRevLett.87.052701
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2000PO12      Phys.Rev. C62, 014615 (2000)

I.V.Pokrovsky, M.G.Itkis, I.M.Itkis, N.A.Kondratiev, E.M.Kozulin, E.V.Prokhorova, V.S.Salamatin, V.V.Pashkevich, S.I.Mulgin, A.Ya.Rusanov, S.V.Zhdanov, G.G.Chubarian, B.J.Hurst, R.P.Schmitt, C.Agodi, G.Bellia, L.Calabretta, K.Lukashin, C.Maiolino, A.Kelic, G.Rudolf, L.Stuttge, F.Hanappe

Fission Modes in the Reaction ²⁰⁸Pb(¹⁸O, f)

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78 MeV; measured fission fragments kinetic energy, mass distributions; deduced high-energy fission mode. Multicomponent analysis method.

doi: 10.1103/PhysRevC.62.014615
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1999IT01      Phys.Rev. C59, 3172 (1999)

M.G.Itkis, N.A.Kondratev, E.M.Kozulin, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, A.Ya.Rusanov

Bimodal Fission of ²⁷⁰Sg (Z = 106) in the Sub-Barrier Fusion of ²²Ne and ²⁴⁸Cm

NUCLEAR REACTIONS ²⁴⁸Cm(²²Ne, X), E=102, 127 MeV; measured fragments energy, mass distributions following compund nucleus fission. ²⁷⁰Sg deduced high-energy fission mode.

doi: 10.1103/PhysRevC.59.3172
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1999IT03      Nucl.Phys. (Supplement) A654, 870c (1999)

M.G.Itkis, L.Calabretta, F.Hanappe, Y.M.Itkis, A.Kelic, N.A.Kondratiev, E.M.Kozulin, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, G.Rudolf, A.Ya.Rusanov, L.Stuttge

Fission of Heavy and Superheavy Nuclei at Low Excitation Energies

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, X), E=78, 90 MeV; ²⁰⁸Pb(¹²C, X), E=57, 59, 75 MeV; ²⁴⁸Cm(²²Ne, X), E=102, 127 MeV; ²⁰⁸Pb, ²³⁸U(⁴⁸Ca, X), E^*=17-33 MeV; measured fission fragment energy and mass distributions.

doi: 10.1016/S0375-9474(00)88563-2
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1999KE09      Europhys.Lett. 47, 552 (1999)

A.Kelic, I.M.Itkis, I.V.Pokrovsky, E.V.Prokhorova, B.Benoit, G.Costa, L.Donadille, O.Dorvaux, E.De Goes Brennand, G.Guillaume, F.Hanappe, B.Heusch, A.Huck, M.G.Itkis, S.Jokic, N.A.Kondratev, E.M.Kozulin, Yu.Ts.Oganessian, G.Rudolf, A.Ya.Rusanov, L.Stuttge, D.Vorkapic, K.Yuasa-Nakagawa

Prefission Neutron Multiplicities and the Fission Modes of ²²⁶Th

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, X), E=78 MeV; measured neutron spectra, multiplicities, fragment mass distributions following compound nucleus fission; deduced relationship between fission modes and pre-, post-fission neutron multiplicity.

doi: 10.1209/epl/i1999-00424-4
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1999PO19      Phys.Rev. C60, 041304 (1999)

I.V.Pokrovsky, L.Calabretta, M.G.Itkis, N.A.Kondratiev, E.M.Kozulin, C.Maiolino, E.V.Prokhorova, A.Ya.Rusanov, S.P.Tretyakova

Three Fission Modes of ²²⁰Ra

NUCLEAR REACTIONS ²⁰⁸Pb(¹²C, X), E=57, 59, 62, 65, 73, 90 MeV; measured fragments mass, energy distributions following compound nucleus fission. ²²⁰Ra deduced fission modes.

doi: 10.1103/PhysRevC.60.041304
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1999RU03      Yad.Fiz. 62, No 4, 595 (1999); Phys.Atomic Nuclei 62, 547 (1999)

A.Ya.Rusanov, V.V.Pashkevich, M.G.Itkis

Asymmetric Fission Barriers for Hot Rotating Nuclei and Experimental Mass Distributions of Fission Fragments

NUCLEAR STRUCTURE ¹⁰⁷Pd, ¹²³Te, ¹³⁹Ce, ¹⁵²Eu, ¹⁶⁹Tm, ¹⁸³W, ¹⁹²Ir, ²⁰⁰Hg, ²⁰⁹Bi, ²¹⁸Rn, ²³⁵U, ²⁵²Cf; calculated fission barriers vs energy, angular momentum; deduced fragment mass yields. Liquid drop model with short-range forces and surface difuseness.

1998IT05      Nuovo Cim. 111A, 783 (1998)

M.G.Itkis, Yu.Ts.Oganessian, E.M.Kozulin, N.A.Kondratev, L.Krupa, I.V.Pokrovsky, A.N.Polyakov, V.A.Ponomarenko, E.V.Prokhorova, B.I.Pustylnik, A.Ya.Rusanov, V.I.Vakatov

Fusion-Fission of Nuclei with Z > 100 at Low Excitation Energies

NUCLEAR REACTIONS ²⁴⁸Cm(²²Ne, X), E=102, 127 MeV; ²⁰⁸Pb(⁴⁸Ca, X), E=211, 220, 230 MeV; ²³⁸U(⁴⁸Ca, X), E=218, 224, 232 MeV; measured fragments mass, energy distributions following compound nucleus fission; deduced fusion-fission σ.

1997RU02      Yad.Fiz. 60, No 5, 773 (1997); Phys.Atomic Nuclei 60, 683 (1997)

A.Ya.Rusanov, M.G.Itkis, V.N.Okolovich

Features of Mass Distributions of Hot Rotating Nuclei

NUCLEAR STRUCTURE Z=50-108; compiled, reviewed energy, mass distributions of fission fragments; deduced dynamical effects, manifestation related features, hot nuclei. Data from many reactions included.

1995IT04      Yad.Fiz. 58, No 12, 2140 (1995); Phys.Atomic Nuclei 58, 2026 (1995)

M.G.Itkis, Yu.A.Muzychka, Yu.Ts.Oganessian, V.N.Okolovich, V.V.Pashkevich, A.Ya.Rusanov, Y.S.Salamatin, G.N.Smirenkin, G.G.Chubarian

Fission of Excited Nuclei with Z²/A = 20-33: Mass-energy distributions of fragments, angular momentum, and liquid-drop model

NUCLEAR REACTIONS ⁹⁹Ru, ^106,110Cd, ¹¹⁸Sn(²⁰Ne, F), E=124 MeV; ^112,118,124Sn(²⁰Ne, F), E=140 MeV; ⁹⁹Ru(²⁵Mg, F), E=164 MeV; ¹¹²Sn(¹²C, F), E=137 MeV; measured fission fragment mass, energy distributions; deduced variances vs angular momentum, Businaro-Gallone point. Sierk liquid-drop model, finite-range nuclear forces.

1993CH11      Yad.Fiz. 56, No 3, 3 (1993); Phys.At.Nuclei 56, 286 (1993)

G.G.Chubarian, M.G.Itkis, S.M.Lukyanov, V.N.Okolovich, Yu.E.Penionzhkevich, A.Ya.Rusanov, V.S.Salamatin, G.N.Smirenkin

Mass-Energy Distributions of Fragments and Angular Momentum in Fission of Excited Nuclei

NUCLEAR REACTIONS ¹⁹⁴Pt(¹²C, F), E=99, 146 MeV; ¹⁹⁰Os(¹⁶O, F), E=126, 168 MeV; ²⁴⁰Pu, ¹⁸⁶W(²⁰Ne, F), E=142, 174 MeV; ²³⁶U, ¹⁸⁰Hf(²⁴Mg, F), E=160, 177 MeV; ²³²Th, ¹⁷⁶Yb(²⁸Si, F), E=166, 189 MeV; ¹⁶⁴Dy(⁴⁰Ar, F), E=208 MeV; ²⁴⁴Cm(¹⁶O, F), E=126, 179 MeV; ²⁰⁸Pb(⁴⁸Ti, F), E=264, 298 MeV; measured fission fragment yield vs mass, total kinetic energy, emission angle; deduced no influence of angular momentum, compound nucleus excitation energy on mass, energy distribution dispersion.

1993KO05      Yad.Fiz. 56, No 2, 37 (1993); Phys.Atomic Nuclei 56, 166 (1993)

E.M.Kozulin, A.Ya.Rusanov, G.N.Smirenkin

Systematics of the Average Neutron Yield in Heavy-Ion-Induced Fission

NUCLEAR STRUCTURE ¹⁴²Ce, ¹⁵⁸Er, ^172,162Yb, ^185,187Ir, ²⁰⁷Bi, ²¹⁵Fr, ^252,258Fm; A=180-260; analyzed data; deduced prompt fission neutron average multiplicity vs mass. ²⁵¹Es, ²²⁴Th, ²¹⁰Po, ²⁰⁰Pb, ¹⁸⁸Pt; analyzed data; deduced fission neutron yield vs E.

NUCLEAR REACTIONS ²³⁸U(²⁰Ne, F), (²²Ne, F), (¹⁶O, F), (¹²C, F), ²⁰⁹Bi(²⁰Ne, F), E not given; analyzed total fission neutron yield data; deduced energy dependence, systematics.

1993ZH05      Yad.Fiz. 56, No 2, 55 (1993); Phys.Atomic Nuclei 56, 175 (1993)

S.V.Zhdanov, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin

Fragment Energy Distributions and Fission Dynamics of Heated Nuclei

NUCLEAR REACTIONS ²⁰⁷Pb, ¹⁹⁷Au, ^186,190Os, ¹⁸³W(³He, F), E=51.2 MeV; ¹⁹³Ir, ^188,186Os, ¹⁸⁵Re, ¹⁹⁷Au(³He, F), E=60 MeV; measured fission fragment mass, energy distributions; deduced energy distribution moments. ²¹⁰Po, ^193,191,189Pt, ²⁰⁰Tl, ¹⁸⁶Os, ¹⁹⁴Au deduced fission dynamics.

1992ZH32      Yad.Fiz. 55, 3169 (1992); Sov.J.Nucl.Phys. 55, 1766 (1992)

S.V.Zhdanov, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin

Higher Moments of Energy Distributions of Fragments of Symmetric Fission

NUCLEAR REACTIONS ²³²Th(p, F), E=7.4-30 MeV; ²³²Th(³He, F), E=60 MeV; ²⁰⁹Bi, ¹⁹⁷Au(α, F), E=35.9-50 MeV; ²⁰⁶Pb(α, F), E=50 MeV; ²⁰⁷Pb(³He, t), E=60 MeV; measured fission fragment mass, energy distribution. ²¹³At, ²¹⁰Po, ²⁰¹Tl, ²³⁵U, ²³³Pa deduced fission characteristics.

1991CH33      Yad.Fiz. 53, 1195 (1991); Sov.J.Nucl.Phys. 53, 738 (1991)

G.G.Chubarian, S.M.Lukyanov, Yu.E.Penionzhkevich, V.S.Salamatin, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Fission of ²⁴⁹Cf Induced by ¹⁶O and ²⁰Ne Ions

NUCLEAR REACTIONS ²⁴⁹Cf(¹⁶O, F), E=145 MeV; ²⁴⁹Cf(²⁰Ne, F), E=120 MeV; measured fission fragment mass, energy distributions. ²⁶⁵Sg, ²⁶⁹Hs deduced mass-asymmetric deformation variation features in fission.

1991IT01      Yad.Fiz. 53, 1225 (1991); Sov.J.Nucl.Phys. 53, 757 (1991); Erratum Sov.J.Nucl.Phys. 55, 1607 (1992)

M.G.Itkis, N.A.Kondratev, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Low-Energy Fission of Nuclei Lighter Than Hg

NUCLEAR REACTIONS ¹⁹⁴Pt, ^186,188Os(p, F), E ≤ 30 MeV; ¹⁹¹Ir, ¹⁸⁵Re(α, F), E=40-50 MeV; ¹⁹¹Ir, ¹⁸⁵Re(³He, F), E=60 MeV; measured fission fragment yield, total kinetic energy vs mass. ^187,189Ir, ¹⁹⁵Au deduced fission saddle point shell corrections features.

1991IT02      Yad.Fiz. 53, 1238 (1991); Sov.J.Nucl.Phys. 53, 764 (1991)

M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Energy Balance for Nuclear Fission in the Pb Region

NUCLEAR STRUCTURE A=170-258; analyzed fission data; deduced asymmetric fission features. Energy balance formalism.

1990IT01      Yad.Fiz. 52, 23 (1990); Sov.J.Nucl.Phys. 52, 15 (1990)

M.G.Itkis, S.M.Lukyanov, V.N.Okolovich, Yu.E.Penionzhkevich, A.Ya.Rusanov, V.S.Salamatin, G.N.Smirenkin, G.G.Chubarian

Experimental Study of the Mass and Energy Distributions of Fragments from Fission of Excited Nuclei with Z²/A = 33-42

NUCLEAR REACTIONS, ICPND ¹⁹⁷Au, ²³²Th, ¹⁸³W, ¹⁹⁸Pt, ²⁰⁶Pb, ²³³U, ²³⁹Pu(¹²C, F), E=97 MeV; ¹⁹⁷Au, ²³²Th, ¹⁸³W, ¹⁹⁸Pt, ²⁰⁶Pb, ²³³U, ²³⁹Pu(¹⁶O, F), E=218 MeV; ¹⁹⁷Au, ²³²Th, ¹⁸³W, ¹⁹⁸Pt, ²⁰⁶Pb, ²³³U, ²³⁹Pu(²⁰Ne, F), E=154 MeV; measured fission fragment yield, mass, energy distributions; deduced first, second moments. Liquid drop model.

1990IT03      Yad.Fiz. 52, 944 (1990); Sov.J.Nucl.Phys. 52, 601 (1990); Erratum Sov.J.Nucl.Phys. 55, 1607 (1992)

M.G.Itkis, N.A.Kondratev, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Mass Asymmetry of Symmetric Fission of Nuclei with A ≈ 200

NUCLEAR REACTIONS, ICPND ¹⁹⁷Au(p, F), E=22.4-30 MeV; ¹⁹⁷Au(α, F), E=32.6-50 MeV; ¹⁹⁴Pt(α, F), E=50 MeV; measured fission fragment mass yield, total kinetic energy distributions. ¹⁹⁸Hg, ²⁰¹Tl deduced fission characteristics. Fast semiconductor (E₁-E₂) spectrometer. Cold fission.

1989BE33      Yad.Fiz. 50, 320 (1989)

S.D.Beizin, S.V.Zhdanov, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin

Actinide Fission Induced by 60-MeV ³He Ions

NUCLEAR REACTIONS, ICPND ²³²Th, ^233,235,236U, ^{238,239,240,242}Pu, ²⁴⁴Cm(³He, F), E=60 MeV; measured fission fragment yields, kinetic energy vs mass. ^{241,242,243,245}Cm, ²⁴⁷Cf, ²³⁵U, ^{236,238,239,241}Pu deduced fission mechanism.

1989ZH16      Yad.Fiz. 50, 913 (1989)

S.V.Zhdanov, S.D.Beizin, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin

Study of the Shape of Energy Distributions of Fission Fragments

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(p, F), E=30 MeV; measured fission fragment yields vs mass, charge. ²¹⁰Po deduced fission features.

1988GR16      Yad.Fiz. 47, 1201 (1988)

E.N.Gruzintsev, M.G.Itkis, Yu.V.Kotlov, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Experimental Study of Three-Component Structure of Mass-Energy Distributions of Fission Fragments in the Vicinity of Pb

NUCLEAR REACTIONS ²⁰⁹Bi(α, F), E=35.9 MeV; ²⁰⁹Bi, ²⁰⁴Pb(p, F), E=26 MeV; measured fission fragment yields, mass, energy distributions. ²¹³At, ²¹⁰Po, ²⁰⁵Bi deduced fission characteristics.

1988GR28      Yad.Fiz. 48, 312 (1988); Sov.J.Nucl.Phys. 48, 197 (1988)

E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, O.I.Serdyuk, G.N.Smirenkin, M.I.Subbotin

Characteristic Features of First and Second Moments of Fission-Fragment Energy Distribution as Functions of Nucleon Composition

NUCLEAR STRUCTURE ^201,200Tl, ^{206,207,209,208}Bi, ^{210,211,212,208,207}Po, ^213,212At; A=165-213, Z=68-85; analyzed fission data; deduced fission fragment energy first, second moments characteristics.

1988IT01      Yad.Fiz. 47, 7 (1988)

M.G.Itkis, N.A.Kondratyev, Yu.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Low-Energy Fission of Gold Nuclei by Protons and α Particles

NUCLEAR REACTIONS, ICPND ¹⁹⁷Au(α, F), E=35.9 MeV; ¹⁹⁷Au(p, F), E=26 MeV; measured fission fragment mass, energy distributions, yields. ¹⁹⁸Hg, ²⁰¹Tl deduced fission properties.

1988IT04      Fiz.Elem.Chastits At.Yadra 19, 701 (1988); Sov.J.Part.Nucl 19, 801 (1988)

M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Symmetric and Asymmetric Fission of Nuclei Lighter than Thorium

NUCLEAR STRUCTURE Z ≤ 90; compiled fission data; deduced fission barrier systematics.

1988ZA07      Ukr.Fiz.Zh. 33, 809 (1988)

N.I.Zaika, Yu.V.Kibkalo, V.P.Tokarev, V.A.Shityuk, E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov

Energy Dependence of Characteristics of Actinide Nuclei Fission by ³He Ions with Energies of 40-60 MeV

NUCLEAR REACTIONS, ICPND ^235,236U(³He, F), E=40-60 MeV; measured fission σ(E), σ(θ); deduced anisotropy vs E, θ.

1987GR19      Yad.Fiz. 45, 1547 (1987)

E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Fission of Mercury Nuclei in Reactions Induced by Protons, ³He Ions and α Particles

NUCLEAR REACTIONS ^197,198Hg(p, F), (³He, F), (α, F), E ≈ 30-60 MeV; measured fission fragment mass distributions.

1987GR35      Yad.Fiz. 46, 1604 (1987)

E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Energy Dependence of Dispersions in the Fragment Mass Distributions for Fission of Pre-Actinide Nuclei

NUCLEAR REACTIONS ²⁰⁹Bi(p, F), ²⁰⁶Pb(α, F), ²⁰⁷Pb(³He, F), E not given; calculated fission fragment yield mass distribution.

1987IT03      Europhys.Lett. 4, 275 (1987)

M.G.Itkis, J.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov

Barriers and ' Anomaly ' of Symmetric to Asymmetric Yield Ratio in Fission of ²¹³At

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=17-31 MeV; measured total, asymmetric fission σ(E), fragment yield vs mass, energy distributions. ²¹³At deduced symmetric, asymmetric fission barrier heights.

doi: 10.1209/0295-5075/4/3/004
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1987IT06      Yad.Fiz. 46, 1380 (1987)

M.G.Itkis, Yu.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Fission of ²¹³At near the Threshold

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=30.9, 31.7 MeV; measured fission fragment mass, energy distributions; deduced fragment yield ratio. ²¹³At deduced fission barrier features.

1986GR05      Z.Phys. A323, 307 (1986)

Ye.N.Gruzintsev, M.G.Itkis, J.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Stability of Heated Nuclei against Mass-Asymmetric Deformations in the Fission Process

NUCLEAR REACTIONS ¹⁶²Dy, ¹⁶⁹Tm, ¹⁷⁶Hf, ¹⁸¹Ta, ¹⁸⁰W(³He, F), E=60-65 MeV; measured fission fragment mass distribution. ¹⁶⁵Er, ¹⁸³Os, ¹⁸⁴Re, ¹⁷⁹W, ¹⁷²Lu deduced stiffness parameter, fission barriers.

1986GR12      Yad.Fiz. 43, 1101 (1986)

E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Mass Distributions of Fission Fragments from Heated Nuclei and the Droplet Model

NUCLEAR REACTIONS, ICPND ¹⁶²Dy, ¹⁶⁹Tm, ¹⁷⁶Hf, ¹⁸¹Ta, ¹⁸⁰W(³He, F), E=60-65 MeV; measured fission fragment yields, mass distributions. ¹⁶⁵Er, ¹⁷²Lu, ¹⁷⁹W, ¹⁸⁴Os, ¹⁷⁹Re deduced saddle point parameter stability, barriers.

1986IT01      Yad.Fiz. 43, 1125 (1986)

M.G.Itkis, S.I.Mulgin, A.Ya.Rusanov, V.N.Okolovich, G.N.Smirenkin

On Formation of Mass Distributions of Fragments from Fission of Nuclei Lighter than Thorium

NUCLEAR REACTIONS, ICPND ²⁰⁶Pb, ²⁰⁹Bi(α, F), ²⁰⁷Pb, ²⁰⁹Bi(³He, F), ²⁰⁹Bi(p, F), E not given; analyzed fission fragment mass variance vs temperature data. ²¹²Po, ²¹³At deduced fragment yield vs mass. ²²⁶Ra(p, F), E=13 MeV; ²²⁶Ra(α, F), E=17 MeV; calculated fragment yield vs mass.

1985IT01      Z.Phys. A320, 433 (1985)

M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Asymmetric Fission of the Pre-Actinide Nuclei

NUCLEAR REACTIONS ^204,206,206Pb, ²⁰⁹Bi, ^203,205Tl(α, F), (p, F), E=24-41 MeV; measured fission fragment mass, energy distributions. ²¹³At, ^212,210,208Po, ^205,207,209Bi, ²⁰⁴Pb, ²⁰¹Tl deduced fission characteristic deformation potential energy dependence.

doi: 10.1007/BF01415720
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1985IT02      Yad.Fiz. 41, 1109 (1985)

M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Energy Distributions of Fission Fragments from Preactinide Nuclei and the Hypothesis on Independent Fission Modes

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=32.6, 37.3 MeV; measured fission fragment mass, energy distribution, yields. ²¹³At deduced two-fission mode hypothesis validity.

NUCLEAR STRUCTURE ^212,213At, ²⁰⁷Bi, ²¹⁰Po, ²³⁶U; analyzed fission fragment mass, energy distributions, fragment kinetic energy first, second moment excitation energy dependence; deduced two-fission mode hypothesis validity.

1985IT03      Yad.Fiz. 41, 849; Sov.J.Nucl.Phys. 41, 849 (1985)

M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Experimental Investigation of the Region of Existence of Asymmetric Fission in Light Nuclei

NUCLEAR REACTIONS, ICPND ²⁰⁶Pb(p, F), E=29.6, 28.2 MeV; ^204,208Pb(p, F), E=29.6, 27.1 MeV; ²⁰³Tl(p, F), E=29.6 MeV; ^205,203Tl(α, F), E=50, 40.1 MeV; ¹⁹⁷Au(α, F), E=50, 45.1, 40.1, 36.1 MeV; measured fission fragment yield vs mass; deduced asymmetric fission mass dependence.

1984GR06      Z.Phys. A316, 61 (1984)

Y.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov, G.N.Smirenkin

New Experimental Data on the Formation of the Symmetric Fission Mode

NUCLEAR REACTIONS ²⁰⁹Bi, ^204,206,207Pb, ¹⁹⁷Au, ²⁰⁵Tl(α, F), E=50 MeV; ²⁰⁹Bi, ^204,207,208Pb, ²⁰⁵Tl, ¹⁹⁷Au(³He, F), E=60 MeV; measured fission fragment mass distribution, variances vs nuclear temperature, fissility parameter. ^{206,207,208,209}Bi, ^200,201Tl, ^211,213At, ^{207,208,210,211}Po deduced symmetric fission mode characteristics.

doi: 10.1007/BF01415662
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1984GR13      Yad.Fiz. 39, 1100 (1984)

E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, A.Ya.Rusanov, V.N.Tolstikov

Investigation of Symmetric Fission of Pre-Actinide Nuclei in the (α, f) Reactions

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=34.7-50 MeV; ^207,208Pb(α, F), E=44-50 MeV; ^204,206Pb(α, F), E ≈ 35-50 MeV; ¹⁹⁷Au, ^203,205Tl(α, F)²⁰¹Tl/²⁰⁹Bi/²⁰⁷Bi/²¹²Po/²¹¹Po/²¹⁰Po/²⁰⁸Po/²¹³At, E=46.4-50 MeV; measured residuals production yield vs mass, energy.

1984IT01      Yad.Fiz. 39, 1349 (1984)

M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin

Asymmetrical Fission of ^208-212Po Nuclei

NUCLEAR REACTIONS, ICPND ^204,206,208Pb, ²⁰⁹Bi(α, F)²¹³At/²¹²Po/²¹⁰Po/²⁰⁸Po, E=37.3, 41.1, 45.1, 50 MeV; ²⁰⁹Bi(p, F)²¹⁰Po, E=24.3, 27.1, 29.6 MeV; measured fission fragment yield vs mass. ^208,210,212Po deduced assymmetric fission role.

1983GR17      Phys.Lett. 126B, 428 (1983)

Ye.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov, G.N.Smirenkin

²¹³At Fission Asymmetry

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=34.7-50 MeV; measured fission fragment yield vs mass, energy. ²¹³At deduced small asymmetric fission contribution.

doi: 10.1016/0370-2693(83)90356-8
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1982GR21      Pisma Zh.Eksp.Teor.Fiz. 35, 449 (1982); JETP Lett.(USSR) 35, 557 (1982)

E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov

Observation of Asymmetric Fission of ²¹³At in the Reaction ²⁰⁹Bi(α, f)

NUCLEAR REACTIONS, ICPND ²⁰⁹Bi(α, F), E=36 MeV; measured fission fragment yields, kinetic energy, variance vs mass. ²¹³At deduced asymmetric fission.

1982GR24      Pisma Zh.Eksp.Teor.Fiz. 36, 304 (1982); JETP Lett.(USSR) 36, 372 (1982)

E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov

Energy Dependence of the Probability for Asymmetric Fission of ²¹³At

NUCLEAR REACTIONS ²⁰⁹Bi(α, F), E=34.7-50 MeV; measured fission fragment mass distribution. ²¹³At deduced asymmetric fission mode probability, energy dependence.