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NSR database version of April 27, 2024.

Search: Author = I.S.Okunev

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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(E_γ = 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.