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Search: Author = I.V.Kopytin

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2020KO24      Phys.Atomic Nuclei 83, 400 (2020)

I.V.Kopytin, A.S.Kornev

Neutron Beta Decay in a Thermal Field and Neutron Anomaly

doi: 10.1134/S1063778820030138
Citations: PlumX Metrics


2013KO16      Phys.Atomic Nuclei 76, 476 (2013); Yad.Fiz. 76, 468 (2013)

I.V.Kopytin, I.A.Hussain

Role of Thermal and Photobeta Decays in Processes of Nucleosynthesis of Problematic ρ Nuclei of 113In, 115Sn, 92, 94Mo, and 96, 98Ru in Massive Stars

RADIOACTIVITY 113Cd, 115In, 92,94Nb, 96,98Tc(β-); calculated temperature dependence of decay parameters and rates. Comparison with available data.

doi: 10.1134/S1063778813030101
Citations: PlumX Metrics


2013KO34      Phys.Atomic Nuclei 76, 1315 (2013); Yad.Fiz. 76, 1379 (2013)

I.V.Kopytin, I.A.Hussain

Beta processes in a high-temperature field and nuclear multibeta decays

RADIOACTIVITY 74As, 78,80Br, 84Rb, 92,94Nb, 96,98Tc, 102Rh, 106,108,110Ag, 112,114In, 120Sb, 124,126I, 130,132Cs, 136,138La, 144Pm, 152Eu, 156,158Tb, 162,164Ho, 168Tm, 174Lu, 180Ta, 184Re, 190Ir, 196Au(β-), (β+), (EC); calculated β-decay ratios for different stellar temperatures. Comparison with experimental data.

doi: 10.1134/S1063778813110112
Citations: PlumX Metrics


2009AL28      Bull.Rus.Acad.Sci.Phys. 73, 1485 (2009); Izv.Akad.Nauk RAS, Ser.Fiz. 73, 1580 (2009)

A.N.Almaliev, I.V.Kopytin, S.A.Lisovoy

Neutron generation in (α, n) process assisted by inversely populated medium

doi: 10.3103/S1062873809110136
Citations: PlumX Metrics


2008BA27      Phys.Atomic Nuclei 71, 1207 (2008); Yad.Fiz. 71, 1234 (2008)

E.M.Babishov, I.V.Kopytin

New approach to studying p-nucleus synthesis

doi: 10.1134/S1063778808070120
Citations: PlumX Metrics


2005KO27      Yad.Fiz. 68, 1185 (2005); Phys.Atomic Nuclei 68, 1138 (2005)

I.V.Kopytin, K.N.Karelin

Effect of Synchrotron Radiation on Nuclear Beta Decay

NUCLEAR REACTIONS 68Ga, 79Se, 87Rb, 107Pd, 115In, 129I, 135Cs, 163Dy, 179Hf, 178,181Ta(γ, e), E=spectrum; calculated β-decay rates stimulated or accelerated by synchrotron radiation.

doi: 10.1134/1.1992568
Citations: PlumX Metrics


2004AL41      Bull.Rus.Acad.Sci.Phys. 68, 1303 (2004)

A.N.Almaliev, I.V.Kopytin, M.A.Shikhalev

Discrimination of various types of NN-potentials by polarization characteristics of pp → ppγ reaction

NUCLEAR REACTIONS 1H(p, p'γ), E=280, 400 MeV; calculated Ay(θ), sensitivity to different types of potentials.


2004KO49      Yad.Fiz. 67, 1455 (2004); Phys.Atomic Nuclei 67, 1429 (2004)

I.V.Kopytin, K.N.Karelin, A.A.Nekipelov

Exact Inclusion of the Coulomb Field in the Photobeta Decay of the Nucleus and Problem of Bypassed Elements

doi: 10.1134/1.1788033
Citations: PlumX Metrics


2003AL27      Yad.Fiz. 66, 1791 (2003); Phys.Atomic Nuclei 66, 1743 (2003)

A.N.Almaliev, I.V.Kopytin, M.A.Shehalev

Contribution of the ππ Components of the Sigma and Rho Mesons to Pion-Nucleon Scattering

doi: 10.1134/1.1611591
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2003KO77      Bull.Rus.Acad.Sci.Phys. 67, 738 (2003)

I.V.Kopytin, K.N.Karelin, A.A.Nekipelov

Endothermic nuclear β-decay in electromagnetic field


2002AL05      J.Phys.(London) G28, 233 (2002)

A.N.Almaliev, I.V.Kopytin, M.A.Shehalev

Fully Relativistic Approach to the Δ-Isobar Self-Energy: A possible application to the nucleon-baryon interaction

doi: 10.1088/0954-3899/28/2/304
Citations: PlumX Metrics


2002AL23      Yad.Fiz. 65, 1685 (2002); Phys.Atomic Nuclei 65, 1643 (2002)

A.N.Almaliev, I.V.Kopytin, M.A.Shikhalev

Off-Shell Behavior of the Scattering Amplitude and the Structure of NN Potentials

NUCLEAR REACTIONS 1H(p, p), E=0-400 MeV; calculated phase shifts. 1H(p, pγ), E=280 MeV; calculated σ(θ); deduced reaction mechanism features. Several potentials compared.

doi: 10.1134/1.1508696
Citations: PlumX Metrics


2000AL36      Bull.Rus.Acad.Sci.Phys. 64, 364 (2000)

A.N.Almaliev, I.V.Kopytin, A.V.Sklokin

Conversion De-Excitation of Isomers in Ion-Ion Collisions

NUCLEAR REACTIONS 208Pb(69Zn, X), (44Sc, X), (85Kr, X), (52Mn, X), E=20-100 MeV; calculated reaction-induced conversion electron emission σ from isomeric beams.


2000AL43      Bull.Rus.Acad.Sci.Phys. 64, 812 (2000)

A.N.Almaliev, I.V.Kopytin, M.A.Shikhalev

Polarization Characteristics of Hard Bremmsstrahlung Emitted in Proton-Nucleus Collisions


2000KO60      Yad.Fiz. 63, No 10, 1861 (2000); Phys.Atomic Nuclei 63, 1772 (2000)

I.V.Kopytin, A.V.Sinyakov, A.A.Khuskivadze, Yu.M.Tchuvilsky

Photonuclear Reaction 7Li(γ, t)α and Light-Cluster-Interaction Models

NUCLEAR REACTIONS 7Li(polarized γ, t), E=5-90 MeV; calculated polarization averaged σ(θ), asymmetry. Cluster model, several αt potentials compared. Comparisons with data.

doi: 10.1134/1.1320147
Citations: PlumX Metrics


2000KO68      Bull.Rus.Acad.Sci.Phys. 64, 747 (2000)

I.V.Kopytin, T.A.Krylovetskaya

Photobeta Decay of the Stable Nucleus as a Basis of a New p-Nucleus Synthesis Model

NUCLEAR REACTIONS 74Ge, 80Se, 108Pd, 112,114Cd, 130,132Xe, 136Ba, 164Dy, 180Hf, 196Pt(γ, e), E not given; calculated reaction rate as a function of stellar temperature and reaction threshold. Origin of neutron-deficient stable isotopes discussed.

RADIOACTIVITY 74As, 80Br, 108Ag, 112,114In, 130,132Cs, 136La, 164Ho, 180Ta, 196Au(β-); calculated decay probability for the ground and excited states following (γ, e) reactions in stellar environments. Origin of neutron-deficient stable isotopes discussed.


1999AL32      Bull.Rus.Acad.Sci.Phys. 63, 20 (1999)

A.N.Almaliev, I.V.Kopytin, M.A.Shikhalev

Collisional γ Decay of Isomeric Nuclear States and Bremsstrahlung Singularities at Collision of γ-Active Nuclei

NUCLEAR REACTIONS 89mZr, 85mKr(p, pγ), E=200 MeV; calculated σ(Eγ, θ) for bremsstrahlung at de-excitation of an isomeric state.


1999KO45      Bull.Rus.Acad.Sci.Phys. 63, 26 (1999)

I.V.Kopytin, T.A.Krylovetskaya, T.A.Churakova

Neutron-Induced Collisional β Decay of Stable Nuclei

NUCLEAR REACTIONS 108Pd(n, X), E(cm)=3-20 MeV; calculated collision-induced β decay σ.


1999KO55      Bull.Rus.Acad.Sci.Phys. 63, 802 (1999)

I.V.Kopytin, A.S.Kornev, A.A.Khuskivadze

Electromagnetic Emission at the Nucleus-Nucleus Collision and Structure of the Cluster Potential

NUCLEAR REACTIONS 4He(α, X), E=55-65 MeV; calculated γ production σ(θ). 7Li(γ, t), E=0-85 MeV; calculated σ, σ(θ), asymmetry coefficient. 197Au(40Ar, X), 208Pb(14N, X), E=30 MeV/nucleon; calculated γ production σ(θ). Distorted wave approximation, comparison with data.


1998KO13      Yad.Fiz. 61, No 3, 472 (1998); Phys.Atomic Nuclei 61, 411 (1998)

I.V.Kopytin, A.S.Kornev

Electromagnetic Radiation in Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 12C, 27Al(p, X), E=140 MeV; 158Tb(p, X), E=168 MeV; 197Au(40Ar, X), E=30 MeV/nucleon; 158Gd(40Ar, X), E=44 MeV/nucleon; 208Pb(14N, X), E=40 MeV/nucleon; 148Sm(3He, X), E=27 MeV; 238U(12C, X), E=84 MeV/nucleon; calculated photon production σ(Eγ, θγ); deduced bremsstrahlung role. Quantum-octupole model. Comparison with data.


1998KO16      Yad.Fiz. 61, No 4, 630 (1998); Phys.Atomic Nuclei 61, 558 (1998)

I.V.Kopytin, M.A.Dolgopolov, A.A.Khuskivadze

Bremsstrahlung in αα Scattering and Structure of the α-Particle Potential

NUCLEAR REACTIONS 4He(α, α'γ), E=10-120 MeV; calculated bremsstrahlung σ(θ). Several potentials compared.


1998KO17      Yad.Fiz. 61, No 4, 641 (1998); Phys.Atomic Nuclei 61, 569 (1998)

I.V.Kopytin, A.A.Khuskivadze, V.N.Pomerantsev

Photodisintegration of the 7Li Nucleus and Structure of the αt Potential

NUCLEAR REACTIONS 7Li(γ, t), (polarized γ, t), E < 90 MeV; calculated σ(θ), asymmetry; deduced tα interaction sensitivity. Comparison with data.


1998KO18      Yad.Fiz. 61, No 4, 650 (1998); Phys.Atomic Nuclei 61, 577 (1998)

I.V.Kopytin, A.S.Kornev

Dilepton Production and Emission of Fast Positrons in Nucleus-Nucleus Collisions

NUCLEAR REACTIONS 12C, 27Al(p, X), E=140 MeV; 108Ag, 197Au(16O, X), E=40 MeV/nucleon; 4He(α, X), E(cm)=50 MeV; calculated positron production σ(θ). Optical model.


1998KO46      Yad.Fiz. 61, No 9, 1589 (1998); Phys.Atomic Nuclei 61, 1479 (1998)

I.V.Kopytin, T.A.Krylovetskaya

Collision-Induced Beta Decay of Nuclei in a Coulomb Field and Origin of By-Passed Isotopes

NUCLEAR REACTIONS 96Mo(p, p'), (α, α'), (7Li, 7Li'), (16O, 16O'), 80Se(p, p'), (28Si, 28Si'), (56Fe, 56Fe'), 114Cd, 190Os(p, p'), (e, e'), E(cm) < 50 MeV; calculated collision-induced β decay σ; deduced stellar nucleosynthesis implications.


1998KO51      Bull.Rus.Acad.Sci.Phys. 62, 46 (1998)

I.V.Kopytin, T.A.Krylovetskaya

Model of Synthesis of By-Passed Nuclei in Star Matter


1997DO09      Bull.Rus.Acad.Sci.Phys. 61, 35 (1997)

M.A.Dolgopolov, L.A.Minin, I.V.Kopytin

Calculation of the Cross Section for β Decay of Proton in Proton-Proton Collision

NUCLEAR REACTIONS 1H(p, p), E not given; calculated collisional proton β-decay σ. Schrodinger equation, Paris potential.


1997KO21      Yad.Fiz. 60, No 4, 592 (1997); Phys.Atomic Nuclei 60, 513 (1997)

I.V.Kopytin, M.A.Dolgopolov, E.G.Karpov, T.A.Churakova

β Decay of Stable Isotopes in Nucleon-Nucleus Collisions

NUCLEAR STRUCTURE 81Br, 97Sr, 89Y, 113In, 156Gd, 171Yb; calculated nucleon-nucleus collision induced β-decay total, differential σ. Schrodinger equation, nucleon-nucleus interaction simulated by optical potential.


1997KO24      Yad.Fiz. 60, No 5, 869 (1997); Phys.Atomic Nuclei 60, 776 (1997)

I.V.Kopytin, M.A.Dolgopolov, T.A.Churakova, A.S.Kornev

Electromagnetic Radiation in Nucleon-Nucleus Collisions

NUCLEAR REACTIONS 12C, 64Cu, 107Ag, 197Au(p, γ), E=72 MeV; 208Pb(n, γ), E=7-20 MeV; 119Sn, 40Ca(n, γ), E=10 MeV; analyzed σ(θγ, Eγ). 27Al, 12C(p, γ), E=140 MeV; analyzed angle integrated σ.


1997KO40      Bull.Rus.Acad.Sci.Phys. 61, 39 (1997)

I.V.Kopytin, E.G.Karpov, T.A.Churakova

Acceleration of Highly Forbidden β Transitions by Collisional Processes

NUCLEAR REACTIONS 40K, 87Rb, 135Cs(n, n'), E=fast; calculated collisional β-decay σ vs relative motion energy.


1997KO41      Bull.Rus.Acad.Sci.Phys. 61, 43 (1997)

I.V.Kopytin, A.A.Khuskivadze

Model of Nuclear Positron Decay

NUCLEAR STRUCTURE A=10-85; calculated β+-decay T1/2. Degenerate Fermi gas model, averaged proton β-decay.


1997KO61      Bull.Rus.Acad.Sci.Phys. 61, 513 (1997)

I.V.Kopytin, A.S.Kornev, T.A.Churakova

Emission of Hard Photons on Free-Free Transitions in the Dinuclear System

NUCLEAR REACTIONS 208Pb(14N, X), 197Au(40Ar, X), E=30 MeV/nucleon; analyzed γ-emission σ(Eγ, θ). Optical potentials, quantum transitions of dinuclear system.


1996KO35      Yad.Fiz. 59, No 7, 1195 (1996); Phys.Atomic Nuclei 59, 1144 (1996)

I.V.Kopytin, M.A.Dolgopolov, A.S.Kornev, L.A.Minin

Emission of Fast Positrons in Intermediate-Energy Ion-Ion Collisions

NUCLEAR REACTIONS 208Pb, 63Cu, 12C(20Ne, X), E=40 MeV/nucleon; 197Au(40Ar, X), E=30 MeV/nucleon; 197Au(16O, X), E=40 MeV/nucleon; 58Ni(14N, X), E=35 MeV/nucleon; calculated fast positron associated double differential σ, 208Pb(20Ne, X), E=49.4-84 MeV/nucleon; calculated σ(θ) for positrons.


1996KO38      Bull.Rus.Acad.Sci.Phys. 60, 1 (1996)

I.V.Kopytin, M.A.Dolgopolov, T.A.Churakova

Collisional β Decay of Nucleons

NUCLEAR REACTIONS Pb(p, X), E=10 MeV; calculated collisional β-decay σ.


1996KO40      Bull.Rus.Acad.Sci.Phys. 60, 147 (1996)

I.V.Kopytin, M.A.Dolgopolov, T.A.Krylovetskaya

New Mechanism for Nucleosynthesis of By-Passed Nuclei

NUCLEAR STRUCTURE A=74-184; calculated by-passed nuclei relative abundance. Collisional β-decay based mechanism.


1996KO57      Bull.Rus.Acad.Sci.Phys. 60, 767 (1996)

I.V.Kopytin, M.A.Dolgopolov, T.A.Churakova, E.G.Karpov

β-Decay of Stable Nuclei Induced by Collisional Processes

NUCLEAR STRUCTURE 157Gd; calculated collisional β-decay σ vs incident neutron energy.


1996KO71      Bull.Rus.Acad.Sci.Phys. 60, 1772 (1996)

I.V.Kopytin, M.A.Dolgopolov, A.S.Kornev, L.A.Minin

Spectral Angular Distributions of Fast Electrons in Ion-Ion Collisions

NUCLEAR REACTIONS 12C, 63Cu(20Ne, X), E=40 MeV/nucleon; 208Pb(20Ne, X), E=40, 49.2, 84 MeV/nucleon; calculated fast electron production σ(E, θ); deduced electron emission mechanism roles.


1993KO60      Bull.Rus.Acad.Sci.Phys. 57, 1792 (1993)

I.V.Kopytin, A.S.Kornev

Eikonal Approximation in Quantum-Optical Model of Fast Particle Emission at Ion-Ion Collisions

NUCLEAR REACTIONS 197Au(40Ar, X), E=30 MeV/nucleon; 197Au(12C, X), E=85 MeV/nucleon; calculated fast particle (photon, pion etc) emission σ(θ, E). Quantum optical model, eikonal approximation.


1991BA16      Yad.Fiz. 53, 117 (1991); Sov.J.Nucl.Phys. 53, 76 (1991)

I.S.Batkin, I.V.Kopytin

Nuclear Fusion Induced by the Weak Interaction

NUCLEAR REACTIONS 3H(n, e-), E=low; 3He(p, e+), E=1, 10, 20 MeV; calculated weak interaction induced σ.


1991BA29      Yad.Fiz. 53, 930 (1991); Sov.J.Nucl.Phys. 53, 575 (1991)

I.S.Batkin, I.V.Kopytin

The β Decay of Tritium in a Resonance Radio-Frequency Field

RADIOACTIVITY 3H; calculated β-decay into bound electron state. Resonance radio-frequency field.

ATOMIC PHYSICS 3H; calculated β-decay into bound electron state. Resonance radio-frequency field.


1991BA40      Yad.Fiz. 53, 1576 (1991); Sov.J.Nucl.Phys. 53, 968 (1991)

I.S.Batkin, I.V.Kopytin, O.V.Tyutina

Beta Decay Induced by Ion-Ion Collisions

RADIOACTIVITY 37Cl, 51V, 71Ga, 45Sc, 63Cu; calculated β-transition, electron K-capture features. Decay induced by ion-ion collisions.


1991BA51      Fiz.Elem.Chastits At.Yadra 22, 512 (1991); Sov.J.Part.Nucl. 22 249 (1991)

I.S.Batkin, I.V.Kopytin, Yu.E.Penionzhkevich

Subthreshold π-Meson Production in Ion Collisions at Intermediate Energies

NUCLEAR REACTIONS 27Al, Ni(16O, X), E=25, 38 MeV/nucleon; 27Al, Ni, W(14N, X), E=35 MeV/nucleon; Ca, Sn, U(Ar, X), E=44 MeV/nucleon; 12C, Ni, U, 7Li, 208Pb, 27Al, Cd(12C, X), E=60-86 MeV/nucleon; 7Li, 12C, 27Al, 58Ni, Ag, 197Au, 232Th(16O, X), E=93 MeV/nucleon; analyzed pion production data. Model comparison.


1990BA28      Yad.Fiz. 51, 1028 (1990); Sov.J.Nucl.Phys. 51, 657 (1990)

I.S.Batkin, I.V.Kopytin, D.A.Chernyshev

A Microscopic Model of Subthreshold Production of π Mesons in Heavy-Ion Reactions at Intermediate Energies

NUCLEAR REACTIONS 58Ni, 27Al(16O, xπ), E=25 MeV/nucleon; 58Ni, 27Al(14N, xπ), E=35 MeV/nucleon; 27Al, 197Au(16O, xπ), E=38 MeV/nucleon; 12C(12C, xπ), E=60, 74, 84 MeV/nucleon; 7Li(18O, xπ), E=84 MeV/nucleon; 7Li, 58Ni, 124,116Sn, 197Au, 208Pb, 238U(12C, xπ), E=84 MeV/nucleon; calculated σ(θ(π), E(π)), energy integrated σ; deduced pion production mechanism. Microscopic model.


1990BA49      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 114 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, 116 (1990)

I.S.Batkin, I.V.Kopytin, D.A.Chernyshev

Nature of High-Energy γ Radiation in Reactions with Protons and α Particles

NUCLEAR REACTIONS 148Sm(3He, X), E=27 MeV; 154Sm(α, X), E=27 MeV; calculated γ-spectra. 12C, Cu, 107Ag, 197Au(p, X), E=72 MeV; calculated σ(θγ, Eγ), high energy.


1990BA51      Yad.Fiz. 52, 458 (1990); Sov.J.Nucl.Phys. 52, 291 (1990)

I.S.Batkin, I.V.Kopytin

An Incoherent Source of High Energy γ Radiation in Heavy-Ion Reactions at Intermediate Energies

NUCLEAR REACTIONS 208Pb, 40Ca(40Ar, X), 208Pb(7Li, X), 24Mg(20Ne, X), E=30 MeV/nucleon; calculated σ(θγ, Eγ). Microscopic model. Other reactions included.


1990KO50      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 2260 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.11, 172 (1990)

I.V.Kopytin, D.A.Chernyshev, M.I.Berkman

The Role of Nucleon-Nucleon Correlations in the Emission of Subthreshold Pions in Ion-Ion Collisions

NUCLEAR REACTIONS 208Pb(12C, xπ), E not given; 119Sn, 40Ca(40Ar, xπ), E=44 MeV/nucleon; 27Al(16O, X), E=25 MeV/nucleon; calculated σ(θ, E(π)); deduced nucleon-nucleon correlation role. Subthreshold production, degenerate Fermi gas model.


1989BA57      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 100 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.1, 97 (1989)

I.S.Batkin, I.V.Kopytin, S.A.Ushakov

Diffraction Structure of Spectrum of High-Energy Gamma Rays Upon Collision of Heavy Ions

NUCLEAR REACTIONS 238U(12C, X), E=84 MeV/nucleon; 58Ni(14N, X), E=35 MeV/nucleon; calculated σ(θγ, Eγ, fragment θ); deduced model parameters.


1989BA82      Yad.Fiz. 50, 1542 (1989)

I.S.Batkin, I.V.Kopytin, M.I.Berkman

Dynamical Atomic Screening Effect on Ion Bremsstrahlung

NUCLEAR REACTIONS 197Au, Ag(86Kr, Xγ), E=44 MeV/nucleon; calculated bremsstrahlung spectral distribution.


1988BA37      Yad.Fiz. 47, 1602 (1988)

I.S.Batkin, I.V.Kopytin, M.I.Berkman

Angular and Energy Distribution of High-Energy Photons in Heavy-Ion Collisions

NUCLEAR REACTIONS 12C, 58Ni, 208Pb(14N, X), E=30-50 MeV/nucleon; 12C, 238U(12C, X), E=84 MeV/nucleon; 197Au(40Ar, X), E=30 MeV/nucleon; calculated σ(Eγ, θγ).


1988BA50      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 67 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.1, 62 (1988)

I.S.Batkin, V.V.Kamanin, I.V.Kopytin, Yu.E.Penionzhkevich

Collective Excitations in Colliding Nuclei and High-Energy γ Spectra

NUCLEAR REACTIONS 159Tb(40Ar, Xγ), E=300 MeV; 181Ta(22Ne, Xγ), E=155 MeV; calculated σ(θγ, Eγ), angle integrated γ spectra.


1987BA23      Yad.Fiz. 45, 396 (1987)

I.S.Batkin, I.V.Kopytin

Coherent Emission of High-Energy Photons in Collision of Multiply-Charged Ions at Intermediate Energies

NUCLEAR REACTIONS 238U(12C, γX), E(cm)=84 MeV/nucleon; calculated σ(Eγ, θγ). Microscopic model.


1986BA75      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 2038 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 164 (1986)

I.S.Batkin, I.V.Kopytin

Coherent Emission of High Energy Photons and π-Mesons in Heavy Ion Reactions

NUCLEAR REACTIONS 238U(12C, π0γ), E=84 MeV; calculated σ(Eγ, θγ), σ(Eπ).


1986BA82      Yad.Fiz. 44, 1454 (1986)

I.S.Batkin, I.V.Kopytin, T.A.Churakova

Internal Bremsstrahlung accompanying α Decay

RADIOACTIVITY 210Po(α); calculated α-decay internal bremsstrahlung rate; deduced an analytical formula. Nonrelativistic approximation, Coulomb, recoil effects.


1986DO07      Yad.Fiz. 43, 579 (1986)

M.A.Dolgopolov, I.V.Kopytin

Gamow-Teller l-Forbidden β Transitions and Effective Interaction of Nucleons in Atomic Nuclei

RADIOACTIVITY 65Ni(β-); 65Zn, 65Ga(β+), (EC); 67Cu(β-); 69Ge(β+), (EC); calculated l-forbidden transition f0t; deduced spin-isospin nucleon coupling constant sensitivity. Finite Fermi Systems.


1986DO17      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1021 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.5, 190 (1986)

M.A.Dolgopolov, I.V.Kopytin

Description of l-Forbidden γ(M1)-Transitions in Odd Nuclei with A ≈ 125

NUCLEAR STRUCTURE 111,113Cd, 117,119Sn, 123,125Te, 131Xe, 133,135,137,139La, 139Pr, 141Pm; calculated B(M1). Finite Fermi system theory.


1986VD03      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1921 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 48 (1986)

A.I.Vdovin, M.A.Dolgopolov, I.V.Kopytin

Quasiparticle-Phonon Interaction and l-Forbidden Gamow-Teller β-Transition

RADIOACTIVITY 65Ni, 65Zn, 65Ga, 67Cu, 69Ge; calculated comparative T1/2.


1985BA71      Yad.Fiz. 42, 1354 (1985)

I.S.Batkin, I.V.Kopytin

Features of Inner Brehmsstralung from β Decays of Nuclei in Single Crystals

NUCLEAR STRUCTURE C, 9Be, 27Al, Si, Fe, Cu, Ge, W, Pb; calculated inner bremsstrahlung following β-decay. Nuclei in single crystals.


1985DO05      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 85 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.1, 88 (1985)

M.A.Dolgopolov, I.V.Kopytin

Spin-Orbit Interaction and L-Foridden Proton γ M1-Transitions

NUCLEAR STRUCTURE 133,135,137,139La, 139Pr, 141Pm; calculated levels, B(M1). Finite Fermi system, two-particle spin-orbit interaction.


1984DO03      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 102 (1984); Bull.Acad.Sci.USSR, Phys.Ser. 48, No.1, 101 (1984)

M.A.Doglopolov, I.V.Kopytin

Spin-Orbit Interaction Influence on L-Forbidden M1-Transition Probabilities

NUCLEAR STRUCTURE 111,113Cd, 117,119Sn, 123,125Te, 131Xe; calculated B(M1); deduced two-particle spin-orbit interaction role. Finite Fermi system theory.


1981BA29      Yad.Fiz. 33, 48 (1981)

I.S.Batkin, I.V.Kopytin, Yu.G.Smirnov, T.A.Churakova

Ionization of Internal Atomic Shells in the Process of the β Decay

RADIOACTIVITY 35S, 45Ca, 63Ni, 147Pm, 151Sm; calculated shake-up σ(E(e)), K-shell autoionization probability following β-decay; deduced direct mechanism contributions. Nonrelativistic method, Teitz screened Coulomb potential, Green function.


1981BA42      Yad.Fiz. 34, 330 (1981)

I.S.Batkin, I.V.Kopytin

Monoenergetical Leptons in Nuclear β Decay

RADIOACTIVITY 88Y; calculated monoenergetic positron production. Resonance approximation, second-order perturbation theory.


1980BA66      Yad.Fiz. 32, 1260 (1980); Sov.J.Nucl.Phys. 32, 651 (1980)

I.S.Batkin, I.V.Kopytin

Thermally Stimulated Emission of Nuclear γ Rays

RADIOACTIVITY 89Sr(β-), 133Xe(β-), 155Eu(β-), 115In(β-); calculated β-decay role, γ-ray yield per β decay.


1980DO09      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 2397 (1980)

M.A.Dolgopolov, I.V.Kopytin, L.G.Kulapin

Influence of Quasiparticle-Phonon Coupling on l-Forbidden M1 Transitions

NUCLEAR STRUCTURE 111,113Cd, 117,119Sn, 123,125Te, 131Xe; calculated B(M1). Quasiparticle phonon interaction, finite Fermi system theory.


1978KO35      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 2334 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.11, 100 (1978)

I.V.Kopytin, M.I.Berkman

Effect of Quadrupole Pairing in l-Forbidden β Transitions of Nuclei Of the 2p-1f Shell

RADIOACTIVITY 65Ni, 65Zn, 65Ga, 67Cu, 68Ge; calculated log ft; deduced quadrupole pairing contribution comparable to quasi-particle phonon interaction. Finite Fermi system.


1978KO40      Bull.Rus.Acad.Sci.Phys. 42, 197 (1978)

I.V.Kopytin, M.A.Dolgopolov

Conversion nuclear parameters of M1 transitions of odd spherical nuclei

NUCLEAR STRUCTURE 113Cd, 117,119Sn, 121,123,125Te, 121,123Sb, 127,129,131I, 131,133Cs, 197Au, 201,203Tl; calculated internal conversion coefficients, M1 transition parameters. Theory of finite Fermi systems.


1977BA80      Yad.Fiz. 26, 532 (1977); Sov.J.Nucl.Phys. 26, 282 (1977)

I.S.Batkin, M.I.Berkman, I.V.Kopytin

Phonon Interaction with an Odd Quasiparticle and l-Forbidden β Transitions

RADIOACTIVITY 65Ni, 65Zn, 65Ga, 67Cu, 69Ge; calculated log ft for first-forbidden β transitions.


1977BA81      Izv.Akad.Nauk SSSR, Ser.Fiz. 41, 2048 (1977); Bull.Acad.Sci.USSR, Phys.Ser. 41, No.10, 49 (1977)

I.S.Batkin, M.I.Berkman, I.V.Kopytin

Quasi-Particle-Phonon Interaction and First-Order-Forbidden β-Decay of Nuclides with N = 83

NUCLEAR STRUCTURE 137Xe, 139Ba, 141Ce, 140La; calculated quadrupole phonon energy, B(E2). Quasiparticle-phonon interaction, finite Fermi system; deduced log ft for first forbidden transition.


1977BE71      Izv.Akad.Nauk SSSR, Ser.Fiz. 41, 1645 (1977); Bull.Acad.Sci.USSR, Phys.Ser. 41, No.8, 94 (1977)

M.I.Berkman, I.V.Kopytin, A.A.Nekipelov

β-Decay and Electron Capture of the Second Forbiddenness Order in Odd Nuclei

NUCLEAR STRUCTURE 59Fe, 93Zr, 99Tc, 129I, 135,137Cs, 93Mo, 97Tc; calculated shape of β-decay spectrum, reduced-T1/2, ratio of L-, K-electron capture from matrix elements derived for second order forbidden transitions. Finite Fermi systems.


1976BA29      Yad.Fiz. 23, 564 (1976); Sov.J.Nucl.Phys. 23, 296 (1976)

I.S.Batkin, M.I.Berkman, I.V.Kopytin

Analysis of Nonunique First-Forbidden β Transitions in Odd Nuclei

RADIOACTIVITY 139Ba, 141Ce, 207Tl, 209Pb; analyzed once-forbidden β-transitions, log ft.


1976BA66      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 739 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.4, 42 (1976)

I.S.Batkin, M.I.Berkman, I.V.Kopytin

Calculation of Nuclear Matrix Element integralγ5 for β Transitions

NUCLEAR STRUCTURE 139Ba, 141Ce, 207Tl, 209Pb; calculated nuclear matrix elements for β transitions.


1974BA98      Izv.Akad.Nauk SSSR, Ser.Fiz. 38, 2222 (1974); Bull.Acad.Sci.USSR, Phys.Ser. 38, No.10, 176 (1974)

I.S.Batkin, M.I.Berkman, I.V.Kopytin

Incorporation of Higher-Order Terms for l-Forbidden β Transitions

NUCLEAR STRUCTURE 65Ni, 65Zn, 65Ga, 67Cu, 69Ge; calculated L-forbidden β-transitions.


1971KO28      Yad.Fiz. 14, 615 (1971); Sov.J.Nucl.Phys. 14, 344 (1972)

I.V.Kopytin, Y.P.Suslov

Analysis of Third-Forbidden Beta Transition in the Rb87 Nucleus

RADIOACTIVITY 87Rb; calculated T1/2, β-shape factor for 3rd-forbidden transitions.


1970BA45      Yad.Fiz. 11, 770 (1970); Sov.J.Nucl.Phys. 11, 430 (1970)

I.S.Batkin, I.V.Kopytin

βγ Correlation Effects in Once-Forbidden β Transitions of Nuclei in the Region 72 < A < 86

RADIOACTIVITY 72Ga, 76As, 84,86Rb; calculated βγ correlation coefficients for first-forbidden transitions.


1970KO06      Yad.Fiz. 11, 533 (1970); Sov.J.Nucl.Phys. 11, 298 (1970)

I.V.Kopytin, I.S.Batkin

Concerning Electron Capture by the 2+ Level in the Nuclei As72, As74, And Rb84

RADIOACTIVITY 72,74As, 84Rb; calculated EC/β+-branching, L/K EC branching.


1970KO20      Yad.Fiz. 11, 342 (1970); Sov.J.Nucl.Phys. 11, 192 (1970)

I.V.Kopytin, I.S.Batkin

Once-Forbidden β Decay to Collective Levels of Spherical Nuclei in the Region 72 < A < 86

RADIOACTIVITY 72Ga, 72,74,76As, 84Br, 84,86Rb; calculated nuclear matrix elements, log ft, β-shape factors for first-forbidden transitions.


1969BA58      Yadern.Fiz. 10, 737 (1969); Soviet J.Nucl.Phys. 10, 426 (1970)

I.S.Batkin, I.V.Kopytin, L.P.Rapoport

β-Decay into Collective Levels of Spherical Nuclei

RADIOACTIVITY 62,66Cu, 68,70Ga, 78,80Br, 82Br; calculated log ft for 1+ to 0+, 1+ to 2+ transitions.


1969KO31      Yadern.Fiz. 10, 519 (1969); Soviet J.Nucl.Phys. 10, 297 (1970)

J.V.Kopytin

Doubly-Forbidden β Transitions in the Nuclei I129, Ca135, and Cs137

RADIOACTIVITY 129I, 135,137Cs; calculated form factors, log ft for second-forbidden transitions.


1967KO16      Yadern.Fiz. 5, 976 (1967); Soviet J.Nucl.Phys. 5, 697 (1967)

I.V.Kopytin

An Analysis of Second-Forbidden Beta Transitions


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Note: The following list of authors and aliases matches the search parameter I.V.Kopytin: I.V.KOPYTIN, J.V.KOPYTIN