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NSR database version of April 27, 2024.

Search: Author = O.T.Grudzevich

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2015GR18      Phys.Atomic Nuclei 78, 1008 (2015); Yad.Fiz. 78, 1071 (2015)

O.T.Grudzevich

Energy dependence and systematics of level-density parameters in nuclei of mass number in the range of A = 20-60

COMPILATION A=20-60; compiled experimental data on level densities in excited nuclei; deduced systematics, the effect of the first discrete vibrational levels on extracted parameters.

doi: 10.1134/S1063778815080050
Citations: PlumX Metrics

2013GR09      Phys.Atomic Nuclei 76, 797 (2013); Yad.Fiz. 76, 850 (2013)

O.T.Grudzevich, D.A.Klinov

Neutron emission and fragment yield in high-energy fission

doi: 10.1134/S1063778813070053
Citations: PlumX Metrics

2011RY04      Phys.Rev. C 83, 054603 (2011)

I.V.Ryzhov, S.G.Yavshits, G.A.Tutin, N.V.Kovalev, A.V.Saulski, N.A.Kudryashev, M.S.Onegin, L.A.Vaishnene, Yu.A.Gavrikov, O.T.Grudzevich, V.D.Simutkin, S.Pomp, J.Blomgren, M.Osterlund, P.Andersson, R.Bevilacqua, J.P.Meulders, R.Prieels

Fragment-mass distributions in neutron-induced fission of ²³²Th and ²³⁸U at 33, 45, and 60 MeV

NUCLEAR REACTIONS ²³²Th, ²³⁸U(n, F), E=32.8, 45.3, 59.9 MeV; measured fission fragment spectra; deduced fragment-mass distributions. Comparison with model calculations with the intermediate-energy nuclear reaction code MCFX, and with previous experimental data.

doi: 10.1103/PhysRevC.83.054603
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset23119.

2001GR09      Yad.Fiz. 64, No 1, 11 (2001); Phys.Atomic Nuclei 64, 9 (2001)

O.T.Grudzevich

Statistical Properties of Deexcitation of Fragments Originating from the Spontaneous Fission of ²⁵²Cf

RADIOACTIVITY ²⁵²Cf(SF); calculated γ spectra from fission fragment decay; deduced statistical characteristics. Comparison with data.

NUCLEAR REACTIONS ⁴⁸Ti(α, X), E=12, 17, 24, 28 MeV; ²⁷Al(¹⁹F, X), E=30, 40, 50, 60 MeV; calculated γ spectra. Comparions with data.

doi: 10.1134/1.1344937
Citations: PlumX Metrics

2001GR31      Yad.Fiz. 64, No 9, 1643 (2001); Phys.Atomic Nuclei 64, 1564 (2001)

O.T.Grudzevich

Emission Properties of Fission Fragments and Their Isomeric Ratios

RADIOACTIVITY ²⁵²Cf(SF); calculated fission fragments mean excitation energies, spins, isomeric ratios, neutron spectra and multiplicities vs fragment mass. Statistical model, cascade-evaporation model, comparisons with data.

NUCLEAR REACTIONS ^233,235U, ²³⁹Pu(n, F), E=thermal; calculated fission fragments mean excitation energies, spins, isomeric ratios, neutron spectra and multiplicities vs fragment mass. Statistical model, cascade-evaporation model, comparisons with data.

doi: 10.1134/1.1409498
Citations: PlumX Metrics

2000GR12      Yad.Fiz. 63, No 3, 484 (2000); Phys.Atomic Nuclei 63, 414 (2000)

O.T.Grudzevich

Temperature Dependence of Radiative Strength Functions and Isomeric Cross Sections

NUCLEAR REACTIONS ^{182,183,184,186}W(n, γ), E=0.5 MeV; calculated γ spectra. ^74,82Se, ⁸⁷Rb, ⁹²Mo, ¹¹⁵In(n, 2n), E=12-18 MeV; ^151,153Eu(γ, n), E=12-24 MeV; ⁹⁰Zr(γ, n), (n, 2n), E=12-25 MeV; ¹⁷⁹Hf, ¹⁸¹Ta(γ, p), E=17-24 MeV; calculated isomer production ratios. ¹⁸⁰Hf, ¹⁹⁰Os, ¹⁹¹Ir, ¹⁹⁷Au(γ, γ'), E=1-13 MeV; calculated isomer production σ. Comparisons with data. Other reactions discussed.

doi: 10.1134/1.855648
Citations: PlumX Metrics

1999GR06      Yad.Fiz. 62, No 2, 227 (1999); Phys.Atomic Nuclei 62, 192 (1999)

O.T.Grudzevich

Energy Dependence of Radiative Strength Functions and Photon Spectra

NUCLEAR STRUCTURE A=50-185; analyzed E1, M1 radiative strength functions.

NUCLEAR REACTIONS ¹⁵⁹Tb, ¹⁶⁵Ho, ¹⁸¹Ta, ¹⁹⁷Au(n, γ), E not given; Tb(n, γ), E=0.01, 0.4, 0.8 MeV; ⁵⁶Fe, ⁵²Cr(n, γ), E=14 MeV; ⁴⁵Sc, ⁸⁹Y, ⁹³Nb, ¹²⁷I, ¹³³Cs, ¹⁴¹Pr, ¹³⁹La, ²⁰⁹Bi(n, γ), E=0.5 MeV; analyzed Eγ; deduced energy dependence of E1, M1 radiative strength functions, E2 radiative widths.

1998GR02      Yad.Fiz. 61, No 1, 29 (1998); Phys.Atomic Nuclei 61, 24 (1998)

O.T.Grudzevich

Isomeric Ratios for Radiative Neutron Capture

NUCLEAR REACTIONS ⁵⁹Co, ⁸⁰Se, ⁸⁹Y, ⁷⁹Br, ⁸⁵Rb, ¹⁰³Rh, ¹⁵¹Eu, ¹¹⁵In, ¹⁸⁷Re(n, γ), E=0-14 MeV; analyzed isomer production ratios. Cascade-evaporation model analysis.

1997GR04      Yad.Fiz. 60, No 2, 197 (1997); Phys.Atomic Nuclei 60, 141 (1997)

O.T.Grudzevich, A.V.Zelenetsky, A.V.Ignatyuk, A.B.Pashchenko

Cross Sections for Isomer Production by Neutrons on Isomeric Targets

NUCLEAR STRUCTURE A=20-120; analyzed (n, γ), (n, n'γ), (n, 2n), (n, p), (n, α) reaction data; deduced target spin role in isomer production σ.

1995GR21      Yad.Fiz. 58, No 10, 1758 (1995); Phys.Atomic Nuclei 58, 1658 (1995)

O.T.Grudzevich

Systematics of Spin Cutoff Parameters for Level Density

NUCLEAR STRUCTURE ⁵⁷Fe, ^58,61Ni, ^90,92Zr, ¹⁴³Nd, ¹⁴⁶Sm, ^44,45,48Ti, ⁹³Nb, ¹³⁰Xe; calculated level density associated spin-distribution parameter vs energy. Generalized superfluid model of excited nucleus.

1995GR22      Yad.Fiz. 58, No 12, 2127 (1995); Phys.Atomic Nuclei 58, 2013 (1995)

O.T.Grudzevich, V.A.Tolstikov

Cross Sections for Isomer Excitation in the Radiative Capture and Inelastic Scattering of Neutrons with Energies 0.3-0.7 MeV for Tin Isotopes

NUCLEAR REACTIONS ¹¹⁶Sn(n, γ), (n, n'), ^122,124Sn(n, γ), E=0.3-0.7 MeV; measured capture σ(E), isomer excitation σ(E). Activation technique. Model comparison.

1994GR23      Yad.Fiz. 57, No 8, 1423 (1994); Phys.Atomic Nuclei 57, 1351 (1994)

O.T.Grudzevich, A.V.Zelenetsky, A.V.Ignatyuk, A.B.Pashchenko

Cross Sections of Neutron Reactions on Targets in the Ground and Isomeric States

NUCLEAR REACTIONS ¹⁷⁸Hf(n, n'γ), (n, 2n), E ≥ 20 MeV; ¹⁷⁸Hf(n, γ), E ≤ 5 MeV; ¹⁶⁶Ho, ¹⁰⁸Ag(n, n'γ), (n, 2n), E ≤ 20 MeV; calculated σ(E), target in ground, isomeric states. Hauser-Feshbach-Moldauer formalism.

1994GR24      Yad.Fiz. 57, No 8, 1428 (1994); Phys.Atomic Nuclei 57, 1356 (1994)

O.T.Grudzevich, A.V.Zelenetsky, A.V.Ignatyuk, A.B.Pashchenko

Method of Consistent Description of the Isomer Yields in Neutron-Induced Reactions

NUCLEAR REACTIONS ⁵⁹Co(n, 2n), E ≤ 20 MeV; ⁹³Nb(n, 2n), E ≤ 23 MeV; ⁸⁹Y(n, γ), E ≤ 10 MeV; ⁹⁰Zr(n, p), E ≤ 19 MeV; ⁹³Nb(n, α), E ≤ 19 MeV; ¹⁷⁹Hf(n, 2n), E ≤ 20 MeV; ¹⁷⁵Hf(n, γ), E ≤ 2 MeV; ¹⁹⁷Au(α, 3n), E ≤ 58 MeV; analayzed σ(E), isomeric yield ratios. Consistent description, statistical, γ-cascade models.

1994GR28      At.Energ. 76, 127 (1994); Sov.At.Energy 76, 119 (1994)

O.T.Grudzevich, A.V.Zelenetsky, A.V.Ignatyuk, A.B.Pashchenko

Nuclear Data Library for Activation and Transmutation Calculations

NUCLEAR REACTIONS ⁶⁴Zn(n, t), E ≈ 10-20 MeV; ¹⁴⁵Pm(n, nα), E ≈ 8-20 MeV; compiled data, model reaction σ(E). ¹⁷⁹Hf(n, 2n), E ≈ 8-20 MeV; compiled data, model residual isomer yield vs E.

1994GR32      At.Energ. 77, 203 (1994); Sov.At.Energy 77, 691 (1994)

O.T.Grudzevich, A.V.Zelenetsky, A.B.Pashchenko

Testing of an Activation Cross Sections Library According to Integral Data

NUCLEAR REACTIONS ⁵⁰Cr(n, 2n), E=13-16 MeV; compiled, evaluated σ(E) data.

RADIOACTIVITY ⁴⁹Cr(β⁺), (EC); ^99mTc(IT); compiled evaluated activity data.

1994GR35      At.Energ. 77, 427 (1994); At.Energy 77, 910 (1994)

O.T.Grudzevich, A.V.Zelenetsky, A.B.Pashchenko

Method for Estimating the Excitation Functions of Isomeric Levels for an Activation-Data Library

NUCLEAR REACTIONS ⁸²Se, ⁹⁰Zr, ¹¹³In, ⁹⁴Mo, ^134,136,138Ba(n, 2n), E ≤ 20 MeV; analyzed total, partial σ(E), isomeric level excitation.

1993GO11      Yad.Fiz. 56, No 6, 16 (1993); Phys.Atomic Nuclei 56, 717 (1993)

A.A.Goverdovsky, O.T.Grudzevich, A.V.Zelenetsky, V.F.Mitrofanov, M.Florek, V.A.Khryachkov

Observation of Low-Lying State of Sulfer in the Reaction ³⁸Ar(n, α)³⁵S Below the Coulomb Barrier

NUCLEAR REACTIONS Ar(n, α), E=5.14 MeV; measured Eα, Iα. ³⁵S deduced level.

1991GR04      Yad.Fiz. 53, 143 (1991); Sov.J.Nucl.Phys. 53, 92 (1991)

O.T.Grudzevich, A.V.Zelenetsky, A.V.Ignatyuk, V.I.Plyaskin

Extraction of the Level Density from Evaporation Spectra and from Excitation Functions of Threshold Reactions

NUCLEAR STRUCTURE ⁶⁵Zn, ^58,60,57,59Co, ^53,51Cr, ⁵⁵Fe, ⁴⁷Ti, ^56,54Mn; analyzed reaction data; deduced level densities.

NUCLEAR REACTIONS ⁵⁹Co(n, α), E ≈ 5-20 MeV; calculated σ(E). ⁶⁰Ni(n, α), E=14.8 MeV; calculated α-spectra. Empirical level densities.

1987LY02      Yad.Fiz. 45, 1226 (1987)

A.A.Lychagin, S.P.Simakov, B.V.Devkin, O.A.Salnikov, A.A.Androsenko, P.A.Androsenko, A.B.Pashchenko, O.T.Grudzevich, G.Peto, T.Sztaricskai, L.Vashvari

Study of Reaction ⁵⁶Fe(n, n'γ) with 14.1-MeV Neutrons

NUCLEAR REACTIONS ⁵⁶Fe(n, n'γ), E=14.1 MeV; measured σ(θ), σ(En'), nγ-coin. ⁵⁶Fe levels deduced average Γγ. Tof, Ge(Li), NaI detectors. Hauser-Feshbach model calculations.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40936.

1984BE64      At.Energ. 57, 243 (1984); Sov.At.Energy 57, 694 (1984)

T.S.Belanova, L.V.Gorbacheva, O.T.Grudzevich, A.V.Ignatyuk, G.N.Manturov, V.I.Plyaskin

Comparative Analysis of Estimates of Neutron Radiative Capture Cross Sections for the Most Important Fission Products

NUCLEAR REACTIONS ⁹⁹Tc(n, γ), E=2.65-2000 keV; ^101,102,104Ru(n, γ), E=2.6-4000 keV; ¹⁰⁵Pd(n, γ), E=2.6-200 keV; ¹⁰⁹Ag(n, γ), E=3-2000 keV; ¹³³Cs(n, γ), E=2.7-600 keV; analyzed radiative capture σ(E); deduced recommended σ(E). ¹⁰⁷Pd, ¹²⁹I, ¹³¹Xe, ¹⁴⁷Pm(n, γ), E=fast; analyzed average resonance capture data. Fission product targets.

1984LY02      At.Energ. 57, 266 (1984); Sov.At.Energy 57, 726 (1984)

A.A.Lychagin, V.A.Vinogradov, O.T.Grudzevich, B.V.Devkin, G.V.Kotelnikova, V.I.Plyaskin, O.A.Salnikov

Spectrum of Secondary Neutrons and Cross Section of the (n, 2n) Reaction at Niobium

NUCLEAR REACTIONS Nb(n, n'), (n, 2n), E=14 MeV; measured σ(θ, En).

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40851.