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Search: Author = A.P.Lashko

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2015LA25      Ukr.J.Phys. 60, 1007 (2015)

A.P.Lashko, T.N.Lashko, V.A.Martinishin

The Study of 175Hf Decay

RADIOACTIVITY 175Hf(EC); measured reaction products, Eγ, Iγ, X-rays; deduced the intensities of lines of the internal conversion electron and γ-rays, β-ray branching ratios and the log ft values for β-transitions. Comparison with available data.

doi: 10.15407/ujpe60.10.1007
Citations: PlumX Metrics


2014LA20      Bull.Rus.Acad.Sci.Phys. 78, 581 (2014); Izv.Akad.Nauk RAS, Ser.Fiz 78, 795 (2014)

A.P.Lashko, T.N.Lashko, A.N.Savrasov, V.A.Zheltonozhsky

Studying the low-energy region of the 177mLu gamma spectrum

RADIOACTIVITY 177Lu, 177Hf(IT); measured decay products, Eγ, Iγ, X-rays; deduced γ-ray energies, J, π, branching ratios, ce. Comparison with available data.

doi: 10.3103/S106287381407017X
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2014MI01      Ukr.J.Phys. 59, 5 (2014)

N.F.Mitrokhovich, A.P.Lashko, T.N.Lashko, L.P.Sidorenko

On the Structure of Kπ = 3/2+, 362-keV Level in 165Ho

RADIOACTIVITY 165Dy(β-); measured decay products, Eγ, Iγ, Eb, Ib; deduced internal conversion electron spectrum, B(E3), E3 multipolarity, octupole deformation. Comparison with available data.

doi: 10.15407/ujpe59.01.0005
Citations: PlumX Metrics


2013LA08      Eur.Phys.J. A 49, 21 (2013)

A.P.Lashko, T.M.Lashko, A.M.Savrasov, V.O.Zheltonozhsky

Anomalous internal conversion of the K-forbidden 55 keV E1-transition in 177Hf

RADIOACTIVITY 177mLu(β-); measured Eγ, Iγ using different semiconductor photon detectors. 177Lu, 177Hf deduced K-forbidden hindrance factors. 177Hf deduced ICC, penetration factor for 55 keV E1 transition. Compared with results on near-by nuclei.

doi: 10.1140/epja/i2013-13021-0
Citations: PlumX Metrics

Data from this article have been entered in the XUNDL database. For more information, click here.


2012KI23      Ukr.J.Phys. 57, 1097 (2012)

V.I.Kirishchuk, A.P.Lashko, T.N.Lashko

Anomalies in Internal Conversion Coefficients for Hindered γ-Transitions

NUCLEAR STRUCTURE 161Dy, 163,165Er, 165Ho, 175Lu, 177Hf, 181Ta, 191,193Ir; calculated B(M1), ICC, level schemes. Nilsson model, comparison with available data.


2012LA31      Iader.Fiz.Enerh. 13, 7 (2012)

A.P.Lashko, T.N.Lashko

The energies of low-lying excited states in 175Lu

RADIOACTIVITY 175Hf(EC)[from 174Hf(n, γ)]; measured Eγ, Iγ. 175Lu; deduced transitions, levels, J, π. Comparison with available data.

doi: 10.15407/jnpae
Citations: PlumX Metrics


2012LA32      Iader.Fiz.Enerh. 13, 356 (2012)

A.P.Lashko, T.N.Lashko

The internal conversion coefficient for the K-forbidden E1-transition with the energy of 55 keV in 177Hf

RADIOACTIVITY 177Lu(β-); measured Eγ, Iγ. 177Lu, 177Hf; deduced K-forbidden hindrance factors. 177Hf deduced ICC, penetration factor for 55 keV E1 transition.

doi: 10.15407/jnpae
Citations: PlumX Metrics


2009LA20      Ukr.J.Phys. 54, 337 (2009)

A.P.Lashko, T.M.Lashko

Measurements of the Magnetic Moments of Nuclear States by Hyperfine Shift of Conversion Lines

NUCLEAR MOMENTS 181Ta; measured hfs spectra; deduced magnetic moment.


2009LA21      Ukr.J.Phys. 54, 678 (2009)

A.P.Lashko, T.M.Lashko

Precise Measurement of the Energy of Gamma-Rays from the Decay of 181Hf

RADIOACTIVITY 181Hf(β-); measured Eγ, Iγ; deduced energy levels in 181Ta.


2009LA34      Iader.Fiz.Enerh. 10, 152 (2009)

A.P.Lashko, T.N.Lashko

Energies of several gamma-transitions from the 184m, gRe and 177m, gLu decay

doi: 10.15407/jnpae
Citations: PlumX Metrics


2009LA35      Iader.Fiz.Enerh. 10, 269 (2009)

A.P.Lashko, T.N.Lashko

Precise measurements of the energy of gamma-transitions in 99Tc

RADIOACTIVITY 99Mo(β-)[from 98Mo(n, γ)]; measured Eγ, Iγ. 99Tc; deduced levels, J, π, transitions.

doi: 10.15407/jnpae
Citations: PlumX Metrics


2008LA19      Iader.Fiz.Enerh. 9 no.2, 18 (2008)

A.P.Lashko, T.N.Lashko

Anomalies in internal-conversion coefficients of the K-forbidden gamma-transitions from the 177mLu decay

RADIOACTIVITY 177Lu(β-), 177Lu(IT); measured Eγ, Iγ. 177Lu, 177Hf; deduced ICC, δ. or 55 keV E1 transition.

doi: 10.15407/jnpae
Citations: PlumX Metrics


2007LA14      Bull.Rus.Acad.Sci.Phys. 71, 441 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 454 (2007)

A.P.Lashko, T.N.Lashko

On the Energy of the 8-2 1479-keV Level in 178Hf

RADIOACTIVITY 178Ta(EC) [from 179Hf(p, 2n)]; measured Eγ, Iγ and internal conversion electron spectra. 178Hf deduced energy of the 8-2 level.

doi: 10.3103/S1062873807030288
Citations: PlumX Metrics


2007LA18      Bull.Rus.Acad.Sci.Phys. 71, 742 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 765 (2007)

A.P.Lashko, T.N.Lashko

Precise Measurement of the Energy of γ Rays Excited in 191Pt Decay

RADIOACTIVITY 191Pt(EC); measured Eγ, Iγ. 191Ir deduced level energies.

doi: 10.3103/S1062873807050425
Citations: PlumX Metrics


2007LA33      Ukr.J.Phys. 52, 826 (2007)

A.P.Lashko, T.N.Lashko

Limit values of log-ft for forbidden β-transitions at 178Ta decay

RADIOACTIVITY 178Ta(EC) [from 175Lu(α, n), E=18 MeV]; measured β-delayed Eγ, Iγ, second forbidden ft values.


2005KU42      Bull.Rus.Acad.Sci.Phys. 69, 722 (2005)

V.T.Kupryashkin, A.P.Lashko, T.N.Lashko, A.I.Feoktistov

Energies of γ-transitions and 181Ta levels in 181Hf decay

RADIOACTIVITY 181Hf(β-); 169Yb(EC); 152Eu, 192Ir(EC), (β-); measured Eγ, Iγ. 181Ta deduced levels, J, π.


2005LA34      Bull.Rus.Acad.Sci.Phys. 69, 1 (2005)

A.P.Lashko, T.N.Lashko

Effect of nuclear magnetic moment on energy of conversion lines in 181Ta

RADIOACTIVITY 181Hf(β-); analyzed Eγ, Iγ, E(ce), I(ce). 181Ta deduced hyperfine shift in conversion lines.


2003LA27      Bull.Rus.Acad.Sci.Phys. 67, 1644 (2003)

A.P.Lashko, T.N.Lashko

γ-rays from decay of 99Mo nucleus

RADIOACTIVITY 99Mo(β-) [from 98Mo(n, γ)]; measured Eγ, Iγ. 99Tc deduced levels, transitions.


2003LA28      Iader.Fiz.Enerh. 4 no.2, 46 (2003)

A.P.Lashko, T.N.Lashko

About hyperfine structure of conversion lines

RADIOACTIVITY 181Hf(β-); measured Eγ, Iγ, Eβ, Iβ, ββ-coin. 181Ta deduced conversion lines hyperfine shift.

doi: 10.15407/jnpae
Citations: PlumX Metrics


2001LA36      Iader.Fiz.Enerh. 2 no.1, 108 (2001)

A.P.Lashko, T.N.Lashko, A.A.Odintsov

The determination of alpha-ray emitter content in "hot" particles by means of the direct alpha-spectroscopy method

doi: 10.15407/jnpae
Citations: PlumX Metrics


1994KU34      Bull.Rus.Acad.Sci.Phys. 58, 36 (1994)

V.T.Kupryashkin, A.P.Lashko, B.V.Ostapenko, N.V.Strilchuk, A.I.Feoktistov

Difference in Energies of γ133, γ136, and γ137 Transitions in 181Ta

RADIOACTIVITY 181Hf(β-); measured γγ-coin, Eγ, Iγ. 181Ta deduced conversion lines hyperfine shift.


1993KA38      Bull.Rus.Acad.Sci.Phys. 57, 1602 (1993)

A.B.Kaznovetsky, V.I.Kirishchuk, S.A.Kovalenko, V.T.Kupryashkin, A.P.Lashko, V.B.Ostapenko, N.V.Strilchuk, A.I.Feoktistov

On the Probability of 771 keV, (5/2)+ 181Ta Level Population in 181Hf Decay

RADIOACTIVITY 181Hf(β-); measured Eγ, Iγ, γγ-coin, γγ(t). 181Ta deduced transitions, Iγ.


1991BU17      Izv.Akad.Nauk SSSR, Ser.Fiz. 55, 2147 (1991); Bull.Acad.Sci.USSR, Phys.Ser. 55, No.11, 65 (1991)

V.V.Bulgakov, A.V.Kaznovetsky, V.I.Kirishchuk, S.A.Kovalenko, V.T.Kupryashkin, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov, I.P.Shapovalova

Dependence of the Energy of KLL-Group Auger Electrons on the Method of Excitation of Ir and Lu Atoms

RADIOACTIVITY 175Yb, 191Os(β-); 175Hf, 191Pt(EC); measured KLL-group Auger electron spectra, reference lines mutual distances; deduced Lu, Ir KLL-group energies. π (square root 2) magnetic β-spectrometer.


1990BU31      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 1011 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.5, 195 (1990)

V.V.Bulgakov, A.B.Kaznovetsky, V.I.Kirishchuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

Detection of the Penetration Effect in the 228-keV E2-Transition in 177Hf

RADIOACTIVITY 177mLu [from neutron irradiation of 176Lu]; measured I(ce), Eγ, Iγ. 177Lu deduced transition subshell ICC. 177Hf deduced transition subshell ICC, penetration parameter.


1990KI14      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 1830 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.9, 163 (1990)

V.I.Kirishchuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

Shift of Conversion Lines on Account of K-Electron Interaction with the Nuclear Magnetic Moment

RADIOACTIVITY 181Hf [from 180Hf(n, γ)]; measured I(ce). 181Ta transitions deduced conversion line shifts.


1989BU21      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 35 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.1, 33 (1989)

V.V.Bulgakov, V.T.Kupryashkin, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

Confirmation of the Existence of K963 Line Shift in 152mEu Decay

RADIOACTIVITY 152mEu; analyzed data; deduced line shift, mechanism.


1989BU26      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 855 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 35 (1989)

V.V.Bulgakov, V.I.Kirishchuk, A.P.Lashko, V.V.Strilchuk, A.I.Feoktistov

Evaluating Internal Conversion Coefficients of γ Transition with the Energy of 343 keV on K and L Subshells in 175Lu γ

RADIOACTIVITY 175Hf; measured I(ce), Eγ, Iγ. 175Lu levels deduced relative I(ce), δ(E2/M1), penetration parameter.


1989BU28      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2120 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.11, 58 (1989)

V.V.Bulgakov, V.I.Kirishchuk, V.T.Kupryashkin, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov, I.P.Shapovalova

Dependence of the Auger-Electron Energy on the Method of Atomic Excitation

RADIOACTIVITY 153Sm, 153Gd; measured Auger electron spectra; deduced excitation mode dependence.


1989KI22      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 853 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 33 (1989)

V.I.Kirishchuk, A.P.Lashko, N.B.Strilchuk, A.I.Feoktistov

Relative Intensities of Internal Conversion Electrons of γ Transition at 36.4 keV on L Subshells in 175Ta

RADIOACTIVITY 175W [from 181Ta(p, 7n), E=70 MeV]; measured I(ce). 175Ta deduced transition δ, penetration parameter. Other data input.


1989KI23      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2407 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.12, 131 (1989)

V.I.Kirishchuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

Relative Intensities of Internal-Conversion Electrons Corresponding to the 254-keV γ-Transition in the K and L Subshells of 118Sn

RADIOACTIVITY 118mSb [from 120Sn(p, 3n), E=35 MeV]; measured I(ce). 118Sn transition deduced subshell I(ce) ratios. 90Nb, 181Ta; analyzed data; deduced transition subshell I(ce) ratios.


1989KI24      Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2418 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.12, 141 (1989)

V.I.Kirishchuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

The Decay of 178Ta

RADIOACTIVITY 178Ta [from 179Hf(p, 2n), E=20 MeV; 180Hf(d, 4n), E=30 MeV]; measured Eγ, Iγ. 178Hf deduced transition ICC, K-forbidden transition hindrance factors, γ-multipolarity.


1988BU13      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 32 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.1, 30 (1988)

V.V.Bulgakov, V.I.Kirishchuk, V.T.Kupryashkin, A.P.Lashko, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, I.P.Shapovalova

181Hf Decay

RADIOACTIVITY 181Hf(β-) [from 180Hf(n, γ), E=reactor]; measured I(ce), Eγ, Iγ. 181Ta deduced transition energies, δ(E2/M1), penetration parameter.


1988LA19      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 28 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.1, 26 (1988)

A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov

The Penetration Effect in the M1 Component of the 177Ta 70.45 keV γ Transition

RADIOACTIVITY 177W(EC), (β+) [from Ta(p, 5n), E=49 MeV]; measured I(ce). 177Ta transition deduced δ(E2/M1), penetration effect in M1 component.


1987BU25      Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 1874 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.11, 1 (1987)

V.V.Bulgakov, V.I.Gavrilyuk, V.I.Kirishchuk, V.T.Kupryashkin, A.P.Lashko, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, Yu.E.Frantsev

Detection of Shift Effects in the 936 keV K-Line Internal Conversion Transition Due to Atom Ionization after Electron Capture of 152mEu

RADIOACTIVITY 152,152mEu(β-), (EC), (β+); 184,184mRe(EC); measured I(ce), Eγ, Iγ; deduced electron binding energy changes. Hyperpure Ge detector, magnetic spectrometer.


1987BU26      Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 1915 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.11, 36 (1987)

V.V.Bulgakov, V.I.Gavrilyuk, V.I.Kirishchuk, V.T.Kupryashkin, A.P.Lashko, P.N.Muzalev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov

Determination of Penetration Parameter for the E1-Component in the Transition of γ 537, from the Decay of the 1285 keV, 5- Level in 184W

RADIOACTIVITY 184mRe(EC), (IT); measured Eγ, Iγ. 184W deduced levels, penetration parameter for transition.


1986BU19      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1944 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 72 (1986)

V.V.Bulgakov, V.I.Gavrilyuk, V.I.Kirishchuk, A.P.Lashko, P.N.Muzalev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, V.B.Kharlanov

Energies and Relative Intensities of KLL-Group Auger Spectra for W. Detection of Energy Dependences for Auger-Electron from Excited Atoms

RADIOACTIVITY 182,183,184,184mW(EC) [from 182,183Ta(β-), 183,184,184mRe(EC)]; measured KLL Auger electron energies, relative intensities. Magnetic spectrometers.


1985BU23      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2107 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 23 (1985)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov, Yu.E.Frantsev, V.B.Kharlanov

169Tm KLL-Group Auger-Electron Spectra

RADIOACTIVITY 169Yb(EC); measured Auger electron spectra. 169Tm deduced KLL-electron group intensities.


1984BU34      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 1914 (1984)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, I.N.Lyutyi, P.N.Muzalev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, V.B.Kharlanov

Absolute Intensity Ratios of K-, L- and M-Shells for γ- Transitions in 46,48Ti, 60Ni and 65Cu

RADIOACTIVITY 46Sc(β-); 48V(EC), (β+); 60Co(β-); 65Zn(EC), (β+); measured I(ce), X-ray spectra. 46,48Ti, 60Ni, 65Cu deduced γ-transition subshell absolute intensity ratios.


1984BU35      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 2000 (1984)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, P.N.Muzalev, P.T.Prokofev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, V.B.Kharlanov

Determination of γ-Ray Energies from 152,152mEu Decay

RADIOACTIVITY 152,152mEu(β+), (EC), (β-); measured I(ce). 152Sm, 152Gd deduced transition energies.


1984BU36      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 2058 (1984)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, N.V.Strilchuk, A.I.Feoktistov, Yu.E.Frantsev, V.B.Kharlanov

Determination of the Absolute Intensities of Conversion Electron Lines for the 122.37 γ-Transition in 90Nb

RADIOACTIVITY 90Mo(β+), (EC); measured I(ce). 90Nb transition deduced absolute intensity.


1983BU18      Izv.Akad.Nauk SSSR, Ser.Fiz. 47, 2162 (1983)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, I.N.Lyutyi, P.N.Muzalev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, V.B.Kharlanov

Absolute Intensity Ratios for L-Subshell Internal Conversion Lines in the 133 keV γ-Transition in 181Ta

RADIOACTIVITY 181Hf(β-); measured I(ce). 181Ta transition deduced L-subshell absolute intensity ratios. π square-root 2 iron yoke β-spectrometer.


1981BU24      Izv.Akad.Nauk SSSR, Ser.Fiz. 45, 2133 (1981)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, I.N.Lyutyi, P.N.Muzalev, L.P.Sidorenko, N.V.Strilchuk, A.I.Feoktistov, Yu.E.Frantsev

Determination of the Intensity Ratios for Conversion Electron Lines in the (2+ → 0+)-Transition in 156Gd, 166Er

RADIOACTIVITY 156Eu, 166Ho; measured I(ce). 156Gd, 166Er transitions deduced subshell ICC ratios.


1980BU28      Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 2301 (1980)

V.V.Bulgakov, V.I.Gavrilyuk, A.P.Lashko, P.N.Muzalev, A.I.Feoktistov, Yu.E.Frantsev

Determination of the Intensity Ratios of Internal Conversion Lines of the M-, N-, and O-Subshells in the 2+ → 0+ Transitions in 170Yb and 172Yb

RADIOACTIVITY 170,172Yb; measured I(ce); deduced subshell intensity ratios for 2+-0+ transition. Magnetic spectrometer.


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