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NSR database version of April 11, 2024.

Search: Author = I.S.Okunev

Found 17 matches.

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2013OK03      Phys.Part. and Nucl.Lett. 10, 431 (2013)

I.S.Okunev, Yu.M.Tchuvilsky

T-odd correlations in (n, αγ) reactions

NUCLEAR REACTIONS 10B, 67Zn, 41Ca(n, αγ), E thermal; analyzed available data; deduced T-odd correlations.

doi: 10.1134/S1547477113050130
Citations: PlumX Metrics


2007AL11      Phys.Atomic Nuclei 70, 409 (2007); Yad.Fiz. 70, 438 (2007)

A.V.Aldushchenkov, I.S.Okunev, S.S.Parzhitsky, A.V.Sinyakov, L.M.Smotritsky, T.V.Chuvilskaya, Yu.M.Tchuvilsky, E.I.Shulyak

Isomer 152mEu(8-) as an object for studying effects of fundamental-symmetry violation

RADIOACTIVITY 152mEu(IT); analyzed potential PT-violating effects.

doi: 10.1134/S1063778807020214
Citations: PlumX Metrics


2007NI05      Phys.Part. and Nucl.Lett. 4, 22 (2007); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.1 [137], 42 (2007)

V.G.Nikolenko, I.S.Okunev, S.S.Parzhitskii, Yu.P.Popov, Yu.M.Chuvilskii

Evaluating the PT-Violation Contributions and the T-Invariant Masking Spin-Angle Correlations in 10B(n, α1γ)7Li Reaction

NUCLEAR REACTIONS 10B(n, αγ), E=low; calculated polarization observables, PT-violating correlation coefficient.

doi: 10.1134/S1547477107010050
Citations: PlumX Metrics


2005CH70      Eur.Phys.J. A 25, Supplement 1, 699 (2005)

T.V.Chuvilskaya, S.D.Kurgalin, I.S.Okunev, Yu.M.Tchuvilsky

Search for P-odd time reversal noninvariance in nuclear processes

RADIOACTIVITY 241Am(α); 180mHf(IT); analyzed time-reversal noninvariance features.

doi: 10.1140/epjad/i2005-06-104-3
Citations: PlumX Metrics


2005KU39      Yad.Fiz. 68, 2042 (2005); Phys.Atomic Nuclei 68, 1979 (2005)

S.D.Kurgalin, I.S.Okunev, T.V.Chuvilskaya, Yu.M.Tchuvilsky

Searches for Effects of Fundamental-Symmetry Violation in Isomeric Nuclear States

doi: 10.1134/1.2149078
Citations: PlumX Metrics


1999GL09      Nucl.Phys. (Supplement) A654, 943c (1999)

Yu.M.Gledenov, R.Machrafi, A.I.Oprea, V.I.Salatski, P.V.Sedyshev, P.I.Szalansky, V.A.Vesna, I.S.Okunev

A Search for P-Odd and P-Even Correlations in the 35Cl(n, p)35S Reaction

NUCLEAR REACTIONS 35Cl(polarized n, p), E=thermal; measured Ep, asymmetry.

doi: 10.1016/S0375-9474(00)88578-4
Citations: PlumX Metrics


1999VE03      Yad.Fiz. 62, No 3, 565 (1999); Phys.Atomic Nuclei 62, 522 (1999)

V.A.Vesna, Yu.M.Gledenov, P.V.Lebedev-Stepanov, I.S.Okunev, A.V.Sinyakov, Yu.M.Tchuvilsky, E.V.Shulgina

Searches for Parity-Violation Effects in the γ Transition 7Li* → γ(M1) → 7Li(Eγ = 0.478 MeV)

NUCLEAR REACTIONS 10B(polarized n, α), E=reactor; measured γ asymmetry. 7Li transition deduced parity-violating effect.

NUCLEAR STRUCTURE 7Li; calculated transition matrix element; deduced weak neutral current role in parity violation.


1997VA21      Nucl.Phys. A626, 125c (1997)

V.L.Varentsov, I.S.Okunev, A.A.Ignatiev

A Novel Technique for the Polarized Atomic-Beam Targets Production

doi: 10.1016/S0375-9474(97)00529-0
Citations: PlumX Metrics


1996VE02      Yad.Fiz. 59, No 1, 23 (1996); Phys.Atomic Nuclei 59, 19 (1996)

V.A.Vesna, Yu.M.Gledenov, I.S.Okunev, Yu.P.Popov, E.V.Shulgina

Search for P-Odd Effects in the Reactions 6Li(n, α)3H and 10B(n, α)7Li with Polarized Thermal Neutrons

NUCLEAR REACTIONS 6Li, 10B(polarized n, α), E=thermal; measured P-odd asymmetry; deduced weak nuclear current constant value upper limit for 6Li(n, α) reaction.


1996VE07      Bull.Rus.Acad.Sci.Phys. 60, 1793 (1996)

V.A.Vesna, I.S.Okunev, E.V.Shulgina

Integral P-Even Circular Polarization in (nγ) Reactions on 117Sn, 113Cd, 139La, (nat)Br, 35Cl Nuclei and Density of Final Nuclear States as a Function of Their Angular Momenta

NUCLEAR REACTIONS 117Sn, 113Cd, 139La, Br, 35Cl(n, γ), E not given; analyzed γ P-even, P-odd integral CP. 118Sn, 114Cd, 140La, 80,82Br, 36Cl; deduced level structure, density roles.


1994GL07      Nucl.Instrum.Methods Phys.Res. A350, 517 (1994)

Yu.M.Gledenov, I.S.Okunev, S.S.Parzhitsky, E.V.Shulgina, V.A.Vesna

Investigation of P-Odd Correlations in the Capture of Thermal Polarized Neutrons Involving Emission of Secondary Charged Particles (Technical Issues)

NUCLEAR REACTIONS 6Li, 10B(polarized n, α), E=thermal; measured P-odd asymmetry, high accuracy.

doi: 10.1016/0168-9002(94)91252-1
Citations: PlumX Metrics


1990VE16      Pisma Zh.Eksp.Teor.Fiz. 52, 550 (1990); JETP Lett.(USSR) 52, 7 (1990)

V.A.Vesna, I.S.Okunev, B.G.Peskov, E.V.Shulgina, A.D.Antonov, Yu.Andzheevsky, Yu.M.Gledenov, M.P.Mitrikov, Yu.P.Popov

P-Parity Violation in the Reaction 6Li(n, α)3H with Polarized Neutrons

NUCLEAR REACTIONS 6Li(polarized n, α), E=low; measured P-odd asymmetry coefficient.


1990VE17      Yad.Fiz. 52, 620 (1990); Sov.J.Nucl.Phys. 52, 398 (1990)

V.A.Vesna, I.A.Lomachenkov, I.S.Okunev, E.V.Shulgina, V.I.Furman

Measurements and Analysis of Parity Nonconservation Effects in the Integrated γ Spectra in the Reactions 113Cd(n, γ)114Cd and 56Fe(n, γ)57Fe

NUCLEAR REACTIONS 113Cd, 56Fe(polarized n, γ), E=thermal; measured P-odd γ-asymmetry. 114Cd, 57Fe deduced weak interaction matrix elements.


1988AN19      Yad.Fiz. 48, 305 (1988); Sov.J.Nucl.Phys. 48, 193 (1988)

A.Antonov, V.A.Vesna, Yu.M.Gledenov, T.S.Zvarova, V.M.Lobashev, I.S.Okunev, Yu.P.Popov, Kh.Rigol, L.M.Smotritsky, E.V.Shulgina

Study of P-Even and P-Odd Angular Correlations in 35Cl(n, p)35S and 14N(n, p)14C Reactions

NUCLEAR REACTIONS 14N, 35Cl(polarized n, p), E=thermal; measured P-odd, left-right asymmetry; deduced weak interaction matrix element.


1984AN21      Pisma Zh.Eksp.Teor.Fiz. 40, 209 (1984); JETP Lett.(USSR) 40, 976 (1984)

A.Antonov, V.A.Vesna, Yu.M.Gledenov, V.M.Lobashev, I.S.Okunev, Yu.P.Popov, Kh.Rigol, L.M.Smotritsky

Observation of Parity Violation and a Left-Right Asymmetry in the Reaction 35Cl(n, p)35S

NUCLEAR REACTIONS 35Cl(polarized n, p), E=reactor; measured proton asymmetry, left-right asymmetry vs θ; deduced parameters, parity violation, σ dependence on neutron helicity.


1983VE09      Pisma Zh.Eksp.Teor.Fiz. 37, 410 (1983); JETP Lett.(USSR) 37, 487 (1983)

V.A.Vesna, E.A.Kolomensky, I.S.Okunev, A.N.Pirozhkov, L.M.Smotritsky, E.V.Shulgina, A.F.Kornyushkin, N.A.Titov, S.M.Solovev, V.M.Lobashev

P-Parity Nonconservation in the Total Cross Section for the Interaction of Thermal Neutrons with 233U

NUCLEAR REACTIONS 233U(polarized n, n), E=thermal; measured σ ratios for opposite neutron helicities; deduced P-parity nonconservation upper limit. 234U level deduced uncertainty in p-wave contribution.


1983VE10      Pisma Zh.Eksp.Teor.Fiz. 38, 265 (1983); JETP Lett.(USSR) 38, 315 (1983)

V.A.Vesna, A.I.Egorov, E.A.Kolomensky, V.M.Lobashev, I.S.Okunev, B.G.Peskov, A.N.Pirozhkov, L.M.Smotritsky, E.V.Shulgina, A.F.Kornyushkin, N.A.Titov

Search for P-Odd Asymmetry in the α Emission in the Capture of Polarized Thermal Neutrons by 6Li and 10B Nuclei

NUCLEAR REACTIONS 6Li, 10B(polarized n, α), E=thermal; measured P-odd asymmetry, limits. Gas-filled proportional chamber detectors.


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