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NSR database version of May 8, 2024.

Search: Author = Y.S.Popov

Found 27 matches.

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2005PO28      Radiochemistry 47, 31 (2005)

Yu.S.Popov, L.V.Zakharova, V.V.Sadulin, O.I.Andreev, A.N.Pakhomov

Nuclear-Physical Properties of ^{105, 106m, 110m}Ag

RADIOACTIVITY ¹⁰⁵Ag(EC), ^106,110Ag(IT); measured decay products, Eγ, Iγ, X-rays; deduced γ-ray energies, T_1/2.

doi: 10.1007/s11137-005-0042-5
Citations: PlumX Metrics

2004PO24      Radiochemistry 46, 209 (2004); Radiokhimiya 46, 193 (2004)

Yu.S.Popov, L.V.Zakharova, V.N.Kupriyanov, O.I.Andreev, A.N.Pakhomov, F.Z.Vakhetov

Half-Life and Photon Intensities of ¹⁰³Pd

RADIOACTIVITY ¹⁰³Pd(EC) [from ¹⁰²Pd(n, γ), E thermal]; measured decay products, Eγ, Iγ, X-rays; deduced T_1/2, relative intensities of X- and γ-rays. Comparison with available data.

doi: 10.1023/B:RACH.0000031673.37143.10
Citations: PlumX Metrics

2003PO21      Radiochemistry 45, 537 (2003); Radiokhimiya 45, 481 (2003)

Yu.S.Popov, L.V.Zakharova, V.N.Kupriyanov, O.I.Andreev, V.Z.Vakhetov, Yu.G.Toporov

Half-Lives and Intensities of X-ray and γ-Ray Emission of ¹¹³Sn, ^117mSn, and ^119mSn

RADIOACTIVITY ¹¹³Sn(EC), ^117mSn(IT), ^119mSn(IT); measured Eγ, Iγ X-ray spectra, T_1/2; deduced K X-ray intensity ratios.

doi: 10.1023/B:RACH.0000015746.20441.ad
Citations: PlumX Metrics

2002PO17      Radiochemistry 44, 533 (2002); Radiokhimiya 46, 481 (2002)

Yu.S.Popov, L.V.Zakharova, P.A.Privalova, V.N.Kupriyanov, G.A.Timofeev

Nuclear-Physical Properties of ¹⁸⁸W, ¹⁸⁸Re, and ¹⁸⁸Os

NUCLEAR REACTIONS ^186,187W(n, γ), E = thermal; measured reaction products, Eγ, Iγ; deduced ¹⁸⁸W T_1/2, γ-ray intensities. Comparison with available data.

RADIOACTIVITY ¹⁸⁸W, ¹⁸⁸Re(β^-); measured decay products, Eγ, Iγ, X-rays; deduced ¹⁸⁸Re T_1/2, γ-, and X-ray intensities. Comparison with available data.

doi: 10.1023/A:1022347423641
Citations: PlumX Metrics

2001PO32      Radiochemistry 43, 549 (2001)

Yu.S.Popov, L.V.Zakharova, M.N.Markushin, G.A.Timofeev

Decay of ¹⁷⁵Hf and ¹⁸¹Hf

RADIOACTIVITY ¹⁷⁵Hf(EC), ¹⁸¹Hf(β^-) [from U(n, X), E thermal]; measured decay products, Eγ, Iγ, X-rays; deduced T_1/2, energy and the relative intensities of γ-rays. Comparison with available data.

doi: 10.1023/A:1014847822007
Citations: PlumX Metrics

2001PO35      Radiochemistry 43, 5 (2001); Radiokhimiya 43, 7 (2001)

Yu.S.Popov, L.V.Zakharova, G.A.Timofeev

Half-Lives of ^131-135I Nuclides

RADIOACTIVITY ^{131,132,133,134,135}I(β^-) [from ²³⁵U(n, F), E thermal]; measured reaction products, Eγ, Iγ; deduced γ-ray energies, decay curves, T_1/2. Comparison with available data. SM-3 high-flux nuclear reactor, Research Institute of Nuclear Reactors, State Scientific Center of the Russian Federation, Dimitrovgrad.

doi: 10.1023/A:1012805618385
Citations: PlumX Metrics

1999PO06      Yad.Fiz. 62, No 5, 886 (1999); Phys.Atomic Nuclei 62, 827 (1999)

Yu.S.Popov, P.V.Sedyshev, A.P.Kobzev, S.S.Parzhitsky, N.A.Gundorin, D.G.Serov, M.V.Sedysheva

Measurement of the M1 Radiative Strength Function in Fe Resonances by using the Shift of the Primary Gamma Line Emitted Upon the Capture of Intermediate-Energy Neutrons

NUCLEAR REACTIONS ⁵⁶Fe(n, γ), E=10-80 keV; measured Eγ, Iγ; deduced resonances partial widths.

1999PO32      Radiochemistry 41, 24 (1999); Radiokhimiya 41, 25 (1999)

Y.S.Popov, N.Y.Nezgovorov, G.A.Timofeev

Radioactive Decay of Lanthanides

RADIOACTIVITY ¹⁴¹Ce, ^147,149Nd, ^147,148,149Pm, ¹⁵³Sm, ^154,155,156Eu, ¹⁶⁰Tb(β^-), ¹⁵²Eu(EC), (β^-), ^151,153Gd(EC) [from ²⁵²Cf(SF)]; measured decay products, Eγ, Iγ; deduced T_1/2, γ-ray energies and intensities.

1999PO33      Radiochemistry 41, 26 (1999); Radiokhimiya 41, 27 (1999)

Yu.S.Popov, G.A.Timofeev

Radioactive Decay of Actinides

RADIOACTIVITY ²³²Th, ²³³Pa, ^235,237U, ^237,238,239Np, ^{238,239,240,241,242,246,247}Pu, ^{241,242,243,246,247}Am, ^{242,243,244,245,246,248}Cm, ^249,250Bk, ^249,250,252Cf, ^{253,254,255,257}Es, ^255,256Fm(α); analyzed available data; deduced α-, γ- and X-ray energies and intensities.

1999PO34      Radiochemistry 41, 31 (1999); Radiokhimiya 41, 31 (1999)

Yu.S.Popov, D.Kh.Srurov, M.I.Mel'nik, V.I.Kupriyanov, V.I.Borisenkov, G.A.Timofeev

Estimation of the Half-Life of ¹⁵⁵Eu

RADIOACTIVITY ¹⁵⁵Eu, ¹³⁷Cs(β^-), ^152,154Eu(β^-), (EC); measured decay products, Eγ, Iγ, X-rays; deduced T_1/2 and uncertainties. Comparison with available data.

1999PO35      Radiochemistry 41, 37 (1999); Radiokhimiya 41, 36 (1999)

Yu.S.Popov, G.A.Timofeev, A.A.Elesin

Decay of ²⁵³Es, ²⁵⁴Es, and ²⁵⁵Es

RADIOACTIVITY ^253,254,255Es(α); measured decay products, Eα, Iα, Eγ, Iγ; deduced γ- and X-ray energies and intensities, T_1/2.

1999PO36      Radiochemistry 41, 43 (1999); Radiokhimiya 41, 42 (1999)

Yu.S.Popov, D.Kh.Srurov, N.P.Leont'ev, V.I.Borisenkov, G.A.Timofeev

Determination of Spontaneous Fission Half-Life of ²⁵²Cf

RADIOACTIVITY ²⁵²Cf(SF); measured decay products, Eα, Iα; deduced T_1/2.

1994PO30      Radiokhimiya 36, 193 (1994); Sov.J.Radiochemistry 36, 209 (1994)

Yu.S.Popov, D.Kh.Srurov, A.A.Baranov, V.M.Chistyakov, G.A.Timofeev

Intensity of 253 keV γ-Rays (²⁴⁵Am) from α-Decay of ²⁴⁹Bk

RADIOACTIVITY ²⁴⁹Bk(α), (β^-); measured Eα, Iα, Eγ, Iγ. ²⁴⁵Am deduced transition Iγ. Precision semi-conductor γ-spectrometry, coulometry techniques.

1993PO19      Radiokhimiya 35, 1 (1993); Sov.J.Radiochemistry 35, 129 (1993)

Yu.S.Popov, N.Yu.Nezgovorov, S.V.Anichenkov, G.A.Timofeev

γ-Emissions Accompanying ¹⁵⁶Eu Decay

RADIOACTIVITY ¹⁵⁶Eu(β^-) [from Eu(n, γ), E=reactor]; measured Eγ, Iγ; deduced T_1/2. ¹⁵⁶Gd deduced transitions Iγ.

1993PO20      Radiokhimiya 35, 9 (1993); Sov.J.Radiochemistry 35, 135 (1993)

Yu.S.Popov, D.Kh.Srurov, A.A.Baranov, V.M.Chistyakov, G.A.Timofeev

Intensities of the 308- and 327-keV γ-Rays in ²⁴⁹Bk Decay

RADIOACTIVITY ²⁴⁹Bk(α), (β^-); measured Eγ, Iγ. ²⁴⁵Am deduced transitions Iγ. Source content determined by ²⁴⁹Cf accumulation, coulometry, γ-spectrometry techniques.

1991PO17      Radiokhimiya 33, 3 (1991); Sov.J.Radiochemistry 33, 1 (1991)

Yu.S.Popov, D.Kh.Srurov, I.B.Makarov, E.A.Erin, G.A.Timofeev

Gamma Emission of Actinide Isotopes

RADIOACTIVITY ²³⁹Np, ²⁴⁶Pu, ^243,247Am, ^243,245Cm, ²⁵⁰Bk, ²⁴⁹Cf, ^253,254,257Es, ²⁵⁵Fm; measured Eγ, Iγ.

1990AN33      Radiokhimiya 32, 109 (1990); Sov.J.Radiochemistry 32, 401 (1991)

S.V.Anichenkov, Yu.S.Popov

Alpha-Spectrometric Determination of ²³⁹Pu/²⁴⁰Pu and ²³⁸Pu/²⁴¹Am Isotope Ratios

RADIOACTIVITY ^238,239,240Pu, ²⁴¹Am, ²⁴⁴Cm(α); measured α-spectra; deduced ²³⁸Pu/²⁴¹Am, ²³⁹Pu/²⁴⁰Pu activity ratios. ^238,239,240Pu, ²⁴¹Am, ²⁴⁴Cm deduced transition branching ratios.

1990PO14      Radiokhimiya 32, 2 (1990); Sov.J.Radiochemistry 32, 425 (1990)

Yu.S.Popov, I.B.Makarov, D.Kh.Srurov, E.A.Erin

M- and L-X-Ray Emission of Actinides

RADIOACTIVITY ²³²Th, ^237,235U, ^237,239Np, ^238,239,242Pu, ^{241,242,243,245}Am, ^{242,243,244,245,248}Cm, ^249,250Bk, ^249,250,252Cf, ^253,254Es, ²⁵⁵Fm; measured I(M X-ray), I(L X-ray).

1990PO15      Radiokhimiya 32, 107 (1990); Sov.J.Radiochemistry 32, 399 (1991)

Yu.S.Popov, S.V.Anichenkov, G.A.Timofeev

Separate Gamma-Spectrometric Determination of the Activity of the Isobars ¹⁵³Gd and ¹⁵³Sm

RADIOACTIVITY ¹⁵³Gd(EC); ¹⁵³Sm(β^-); measured γ-spectra; deduced activity.

1989PO21      Radiokhimiya 31, 3 (1989); Sov.J.Radiochemistry 31, 1 (1989)

Yu.S.Popov, N.Yu.Nezgovorov, G.A.Timofeev

Measuring the Half-Lives of ¹⁵³Gd and ¹⁵³Sm by Gamma Spectrometry

RADIOACTIVITY ¹⁵³Gd, ¹⁵³Sm; measured Eγ, Iγ, E X-ray, I X-ray, decay curves; deduced T_1/2. Si-Li gamma spectrometer.

1988PO05      Radiokhimiya 30, 10 (1988); Sov.J.Rad.Chem. 30, 8 (1988)

Yu.S.Popov, V.N.Kovantsev, A.A.Elesin, G.A.Timofeev

Study of the Decay of ²⁵⁴Es and ²⁵⁰Bk

RADIOACTIVITY ²⁵⁴Es(α), ²⁵⁰Bk(β^-); measured Eγ, Iγ, T_1/2, E(X-ray), I(X-ray).

1987PO22      Radiokhimiya 29, 447 (1987); Sov.J.Radiochemistry 29, 431 (1987)

Yu.S.Popov, G.A.Timofeev, V.B.Mishenev, V.N.Kovantsev, A.A.Elesin

Determining the Half-Lives of ²⁵³Es, ²⁵⁴Es, ^254mEs, ²⁵⁵Es, ²⁵⁷Es, ²⁵⁶Fm

RADIOACTIVITY ^253,254Es, ²⁵⁶Fm(α); ^254m,255Es(β^-); measured T_1/2.

1984PO20      Radiokhimiya 25, 800 (1984); Sov.Radiochem. 25, 763 (1984); see 1983Po16

Yu.S.Popov, P.A.Privalova, G.A.Timofeev, V.B.Mishenev, A.V.Mamelin, B.I.Levakov, V.M.Prokopev

Identification of ²⁴⁶Pu and ²⁴⁷Pu and Determination of Their Half-Lives

1983PO14      Radiokhimiya 25, 482 (1983); Sov.Radiochemistry 25, 458 (1984)

Yu.S.Popov, P.A.Privalova, G.A.Timofeev, V.B.Mishenev, A.V.Mamelin, B.I.Levakov, V.M.Prokopev

Identification of ²⁴⁶Pu, ²⁴⁷Pu, ^246mAm, and ²⁴⁷Am and Determination of Their Half-Lives

RADIOACTIVITY ^246,247Pu, ^246m,247Am(β^-) [from Pu neutron irradiation]; measured Eγ, Iγ, E(X-ray), I(X-ray); deduced T_1/2, ²⁴⁶Pu burnout σ. Isotope identification by α-, β-, γ-spectroscopy techniques.

1983PO16      Radiokhimiya 25, 800 (1983); Sov.Radiochem. 25, 763 (1984)

Yu.S.Popov, P.A.Privalova, G.A.Timofeev, V.B.Mishenev, A.V.Mamelin, B.I.Levakov, V.M.Prokopev

Identification of ²⁴⁶Pu and ²⁴⁷Pu and Determination of Their Half-Lives

RADIOACTIVITY ^246,247Pu(α); measured Eα, Iα, E(X-ray), I(X-ray), Eγ, Iγ, T_1/2.

1979PO20      At.Energ. 46, 111 (1979); Sov.At.Energy 46, 123 (1979)

Y.S.Popov, D.I.Starozhukov, V.B.Mishenev, P.A.Privalova, A.I.Mishchenko

Determination of the Absolute Yields of 43.5-, 74.7-, and 117.8-keV γ Photons from ²⁴³Am

RADIOACTIVITY ²⁴³Am; measured specific α-activity, Eγ, Iγ; deduced absolute γ yields.

1977ST35      At.Energ. 42, 319 (1977); Sov.At.Energy 42, 355 (1977)

D.I.Starozhukov, Y.S.Popov, P.A.Privalova

Determination of Absolute γ Yields in α Decay of ²⁴³Am

RADIOACTIVITY ²⁴³Am; measured absolute γ yield.