NSR Query Results


Output year order : Descending
Format : Normal

NSR database version of May 24, 2024.

Search: Author = A.Kovalik

Found 59 matches.

Back to query form



2023IN01      Nucl.Phys. A1035, 122666 (2023)

A.Kh.Inoyatov, D.Venos, A.Kovalik

Experimental determinations of the energy of the 9.4 keV (M1+E2) nuclear transition in 83Kr and the Kr electron binding energies in different matrices by ICES method

RADIOACTIVITY 83Sr(EC), (β+), 83Rb(EC); measured decay products, Eβ, Iβ; deduced β spectra, the energy of the 9.4 keV (M1+E2) nuclear transition in 83Kr with high precision, conversion electron lines. The internal conversion electron spectroscopy (ICES) method. Phasotron particle accelerator, the JINR in Dubna, Russia.

doi: 10.1016/j.nuclphysa.2023.122666
Citations: PlumX Metrics


2021KO34      Phys.Lett. B 820, 136593 (2021)

A.Kovalik, A.Kh.Inoyatov, L.L.Perevoshchikov, M.Rysavy, D.V.Filosofov, P.Alexa, J.Kvasil

The first experimental evidence for the (M1 + E2) mixed character of the 9.2 keV transition in 227Th

RADIOACTIVITY 227Ac(β-); measured decay products, Eβ, Iβ; deduced internal conversion coefficients, spectroscopic admixture parameter. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2021.136593
Citations: PlumX Metrics


2021KO39      Eur.Phys.J. A 57, 285 (2021)

A.Kovalik, A.Kh.Inoyatov, L.L.Perevoshchikov, M.Rysavy, D.V.Filosofov, J.A.Dadakhanov

Experimental investigation of the 9.2 and 24.3 keV nuclear transitions in 227Th

RADIOACTIVITY 227Ac(β-); measured decay products, Eβ, Iβ, Eγ, Iγ; deduced electron spectra, subshell conversion electron lines, γ-ray energies, transition multipolarities, subshell internal conversion coefficients (ICC), widths. Comparison with available data.

doi: 10.1140/epja/s10050-021-00577-7
Citations: PlumX Metrics


2019KO17      Eur.Phys.J. A 55, 131 (2019)

A.Kovalik, A.Kh.Inoyatov, L.L.Perevoshchikov, M.Rysavy, D.V.Filosofov, J.A.Dadakhanov

An experimental investigation of the 15.1 keV M1 + E2 nuclear transition in 227Th from the β- decay of 227Ac

RADIOACTIVITY 227Ac(β-); measured decay products, Eβ, Iβ, M-, N- and O-subshell conversion electrons using a high resolution combined electrostatic electron spectrometer at DLNP-JINR-Dubna; deduced precise transition energy and M1+E2 mixing ratio for the 15.1-keV transition in 227Th from its second excited state.

doi: 10.1140/epja/i2019-12812-5
Citations: PlumX Metrics


2016IN02      Eur.Phys.J. A 52, 133 (2016)

A.Kh.Inoyatov, A.Kovalik, D.V.Filosofov, M.Rysavy, L.L.Perevoshchikov, A.Baimukhanova

Improved energy of the 21.5 keV M1 + E2 nuclear transition in 151Eu

NUCLEAR REACTIONS 151Gd(e, γ)151Eu, E=0-50000 eV; measured 21.5 keV M1+E2 transition using internal conversion electron spectroscopy; deduced L1, 2, L3 conversion electron lines energies, δ(E2/M1) multipolarity admixture, parameters; calculated internal conversion coefficients. Compared with other results.

doi: 10.1140/epja/i2016-16133-y
Citations: PlumX Metrics

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


2015BR14      Phys.Atomic Nuclei 78, 740 (2015); Yad.Fiz. 78, 791 (2015)

Ch.Briancon, V.B.Brudanin, V.G.Egorov, J.M.Jose, A.A.Klimenko, A.Kovalik, S.V.Rosov, E.N.Rukhadze, N.I.Rukhadze, A.V.Salamatin, V.V.Timkin, L.Fajt, R.Hodak, F.Simkovic, Yu.A.Shitov, M.Spavorova, I.Stekl, E.A.Yakushev

New search for double electron capture in 106Cd decay with the TGV-2 spectrometer

RADIOACTIVITY 106Cd(2EC); measured decay products, Eγ, Iγ, X-rays; deduced T1/2 limits.

doi: 10.1134/S1063778815060058
Citations: PlumX Metrics

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


2015IN02      Eur.Phys.J. A 51, 65 (2015)

A.Kh.Inoyatov, A.Kovalik, D.V.Filosofov, M.Rysavy, L.L.Perevoshchikov, Yu.B.Gurov

First direct high-precision energy determination for the 8.4 and 20.7 keV nuclear transitions in 169Tm

RADIOACTIVITY 169Yb(EC); measured internal conversion electron lines using ICES (Internal Conversion electron spectroscopy) to individual subshells; calculated internal conversion coefficients with and without nuclear structure effect. 169Tm deduced transition energy for 8.4 keV M1+E2, 20.7 keV M1+E2 and 63.1 E1 transitions, internal conversion coefficients for mixed M1+E2 transitions. Compared to other data and calculations.

doi: 10.1140/epja/i2015-15065-4
Citations: PlumX Metrics

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


2014IN02      Eur.Phys.J. A 50, 59 (2014)

A.Kh.Inoyatov, M.Rysavy, A.Kovalik, D.V.Filosofov, V.S.Zhdanov, Yu.V.Yushkevich

Improved energies for the 5.2 keV M1 and 42.0 keV M2 nuclear transitions in 83Rb

RADIOACTIVITY 83Sr(EC); measured Eβ, Iβ, electron conversion lines using high-resolution electrostatic spectrometer. 83Rb calculated IC coefficients; deduced γ transition energies, multipolarity, natural atomic level widths.

doi: 10.1140/epja/i2014-14059-0
Citations: PlumX Metrics

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


2012RU07      Nucl.Phys. B(Proc.Supp.) S229-232, 478 (2012)

N.I.Rukhadze, Ch.Briancon, V.B.Brudanin, P.Cermak, V.G.Egorov, A.A.Klimenko, A.Kovalik, E.N.Rukhadze, Yu.A.Shitov, F.Simkovic, I.Stekl, V.V.Timkin

Experiment TGV-2 - Search for double beta decay of 106Cd

RADIOACTIVITY 106Cd(2EC); measured decay products, EnullIγ, X-rays; deduced T1/2 limits. TGV-2 spectrometer.

doi: 10.1016/j.nuclphysbps.2012.09.115
Citations: PlumX Metrics


2012RU08      J.Phys.:Conf.Ser. 375, 042020 (2012)

N.I.Rukhadze, A.M.Bakalyarov, Ch.Briancon, V.B.Brudanin, P.cermak, V.G.Egorov, A.A.Klimenko, A.Kovalik, V.I.Lebedev, E.N.Rukhadze, F.Mamedov, Y.A.Shitov, F.Simkovic, I.Stekl, V.V.Timkin, S.V.Zhukov

Experiment TGV-2. Search for double beta decay of 106Cd

RADIOACTIVITY 106Cd(2EC); measured decay products, EnullIγ; deduced T1/2 limits. Comparison with available data.

doi: 10.1088/1742-6596/375/1/042020
Citations: PlumX Metrics


2011IN04      Eur.Phys.J. A 47, 84 (2011)

A.Kh.Inoyatov, L.L.Perevoshchikov, A.Kovalik, O.Dragoun, D.V.Filosofov

Experimental investigation of ligand effects on the conversion electron spectrum of the 22.5 keV M1 + E2 nuclear transition in 149Sm

RADIOACTIVITY 149Sm(EC)[from 149Eu electron capture]; measured conversion electrons, X-rays from excited 149Sm using Eu compounds as targets; deduced energy differences, relative intensities.

doi: 10.1140/epja/i2011-11084-5
Citations: PlumX Metrics

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


2011RU05      Nucl.Phys. A852, 197 (2011)

N.I.Rukhadze, A.M.Bakalyarov, Ch.Briancon, V.B.Brudanin, P.Cermak, V.G.Egorov, A.A.Klimenko, A.Kovalik, V.I.Lebedev, F.Mamedov, Yu.A.Shitov, F.Simkovic, I.Stekl, V.V.Timkin, S.V.Zhukov

New limits on double beta decay of 106Cd

RADIOACTIVITY 106Cd(2EC); measured E(K X-ray), I(K X-ray), Eγ, Iγ, (K X-ray)(K X-ray)-, (K X-ray)γ-coin using TGV-2 spectrometer; deduced T1/2 lower limits for double- and zero-neutrino accompanied 2EC-decay. Comparison with calculations. Modane underground laboratory.

doi: 10.1016/j.nuclphysa.2011.01.006
Citations: PlumX Metrics

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


2011RU10      Bull.Rus.Acad.Sci.Phys. 75, 879 (2011)

N.I.Rukhadze, Ch.Briancon, V.B.Brudanin, V.G.Egorov, A.A.Klimenko, A.Kovalik, V.V.Timkin, P.Chermak, Yu.A.Shitov, F.Simkovic, I.Stekl

Search for double beta decay of 106Cd

RADIOACTIVITY 106Cd(2β+), (β+EC), (2EC); measured decay products, Eγ, Iγ, X-rays; deduced T1/2 limits. TGV-2 multidetector germanium spectrometer.

doi: 10.3103/S1062873811070318
Citations: PlumX Metrics


2010RU04      Bull.Rus.Acad.Sci.Phys. 74, 821 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 864 (2010)

N.I.Rukhadze, A.M.Bakalyarov, Ch.Briancon, V.B.Brudanin, Ts.Vylov, V.G.Egorov, S.V.Zhukov, D.R.Zinatulina, A.A.Klimenko, A.Kovalik, V.I.Lebedev, V.V.Timkin, P.Cermak, I.Stekl, Yu.A.Shitov

Search for double beta decay of 106Cd in the TGV-2 experiment

RADIOACTIVITY 106Cd(2β); measured Eγ, Iγ; deduced T1/2.

doi: 10.3103/S1062873810060195
Citations: PlumX Metrics


2009KR01      J.Radioanal.Nucl.Chem. 279, 567 (2009)

M.I.Krivopustov, A.V.Pavliouk, A.D.Kovalenko, I.I.Mariin, A.F.Elishev, J.Adam, A.Kovalik, Yu.A.Batusov, V.G.Kalinnikov, V.B.Brudanin, P.Chaloun, V.M.Tsoupko-Sitnikov, A.A.Solnyshkin, V.I.Stegailov, Sh.Gerbish, O.Svoboda, Z.Dubnicka, M.Kala, M.Kloc, A.Krasa, A.Kugler, M.Majerle, V.Wagner, R.Brandt, W.Westmeier, H.Robotham, K.Siemon, M.Bielewicz, S.Kilim, M.Szuta, E.Strugalska-Gola, A.Wojeciechowski, S.R.Hashemi-Nezhad, M.Manolopoulou, M.Fragopolou, S.Stoulos, M.Zamani-Valasiadou, S.Jokic, K.Katovsky, O.Schastny, I.V.Zhuk, A.S.Potapenko, A.A.Safronova, Zh.A.Lukashevich, V.A.Voronko, V.V.Sotnikov, V.V.Sidorenko, W.Ensinger, H.D.Severin, S.Batsev, L.Kostov, Kh.Protokhristov, Ch.Stoyanov, O.Yordanov, P.K.Zhivkov, A.V.Kumar, M.Sharma, A.M.Khilmanovich, B.A.Marcinkevich, S.V.Korneev, Ts.Damdinsuren, Ts.Togoo, H.Kumawat

First results studying the transmutation of 129I, 237Np, 238Pu, and 239Pu in the irradiation of an extended natU/Pb-assembly with 2.52 GeV deuterons

doi: 10.1007/s10967-007-7265-1
Citations: PlumX Metrics


2009RU07      Bull.Rus.Acad.Sci.Phys. 73, 741 (2009); Izv.Akad.Nauk RAS, Ser.Fiz 73, 788 (2009)

N.I.Rukhadze, A.M.Bakalyarov, Ch.Briancon, V.B.Brudanin, Ts.Vylov, V.G.Egorov, S.V.Zhukov, D.R.Zinatulina, A.A.Klimenko, A.Kovalik, V.I.Lebedev, V.V.Timkin, P.Cermak, I.Stekl, Yu.A.Shitov

New search for 0νEC/EC and 2νEC/EC decay of 106Cd

RADIOACTIVITY 106Cd(2EC); measured Eγ, Iγ; deduced 2EC-decay T1/2 limits. TGV-2 spectrometer.

doi: 10.3103/S1062873809060112
Citations: PlumX Metrics


2008RU08      Bull.Rus.Acad.Sci.Phys. 72, 731 (2008)

N.I.Rukhadze, P.Benes, Ch.Briancon, V.B.Brudanin, Ts.Vylov, K.N.Gusev, V.G.Egorov, A.A.Klimenko, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, V.V.Timkin, P.Cermak, I.Stekl

Investigation of the 2ν EC/EC Decay of 106Cd

RADIOACTIVITY 106Cd(2β+), (β+EC), (2EC); measured T1/2, Eγ, Iγ using the Telescope Germanium Vertical (TGV-2) spectrometer.

doi: 10.3103/S1062873808060038
Citations: PlumX Metrics


2007IN06      J. Electron Spectrosc. Relat. Phenom. 154, 79 (2007)

A.Inoyatov, D.V.Filosofov, V.M.Gorozhankin, A.Kovalik, N.A.Lebedev, A.V.Lubashevskiy, A.F.Novgorodov, L.L.Perevoshchikov, Ts.Vylov, E.A.Yakushev

The KLL Auger spectrum of neon from the EC-decay of 22Na

RADIOACTIVITY 22Na(EC) [from 27Al(p, 3n3p), E=85 MeV]; measured decay products, Eβ, Iβ; deduced low energy KLL Auger electrons spectra, relative intensities and energies, no influence of solid state effects on relative intensities of the KLL transitions. Comparison with available data.

doi: 10.1016/j.elspec.2006.12.023
Citations: PlumX Metrics


2006BR32      Bull.Rus.Acad.Sci.Phys. 70, 316 (2006)

V.B.Brudanin, N.I.Rukhadze, V.G.Egorov, Ch.Briancon, P.Benes, Ts.Vylov, K.N.Gusev, F.A.Danevich, A.A.Klimenko, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, V.V.Timkin, V.I.Tretyak, P.Chermak, I.Stekl

Search for double electron capture of 106Cd in TGV-2 experiment

RADIOACTIVITY 106Cd(β+EC), (2EC); measured 2νββ-decay T1/2 lower limits.


2006IN03      J. Electron Spectrosc. Relat. Phenom. 151, 193 (2006)

A.Inoyatov, A.V.Lubashevsky, A.Kovalik, E.A.Yakushev, D.V.Filosofov, Yu.S.Borodin, V.M.Gorozhankin, A.F.Novgorodov, Ts.Vylov, V.S.Zhdanov

A detailed experimental investigation of the KMM + KMN + KNN Auger electron spectrum of 111Cd from the EC-decay of 111In

RADIOACTIVITY 111In(EC) [from 109Ag(α, 2n), E=30 MeV]; measured decay products, Eβ, Iβ; deduced Auger electron spectra energies and intensities, further needs for theoretical investigations. Comparison with available data.

doi: 10.1016/j.elspec.2005.11.004
Citations: PlumX Metrics


2006RU15      Phys.Atomic Nuclei 69, 2117 (2006)

N.I.Rukhadze, P.Benes, Ch.Briancon, V.B.Brudanin, P.Cermak, F.A.Danevich, V.G.Egorov, K.N.Gusev, A.A.Klimenko, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, I.Stekl, V.V.Timkin, V.I.Tretyak, Ts.Vylov

Search for Double Electron Capture of 106Cd

RADIOACTIVITY 106Cd(β+EC), (2EC); measured 2ν-accompanied decay T1/2 lower limits.

doi: 10.1134/S1063778806120167
Citations: PlumX Metrics


2006ST11      Czech.J.Phys. 56, 505 (2006)

I.Stekl, P.Cermak, P.Benes, V.B.Brudanin, K.N.Gusev, V.G.Egorov, A.A.Klimenko, V.E.Kovalenko, A.Kovalik, N.I.Rukhadze, A.V.Salamatin, V.V.Timkin, Ts.Vylov, Ch.Briancon, F.Simkovic

First results for the measurement of double-electron capture of 106Cd in the experiment TGV II

RADIOACTIVITY 106Cd(2EC); measured 2νββ-decay T1/2 lower limits for transitions to ground and excited states.

doi: 10.1007/s10582-006-0114-6
Citations: PlumX Metrics


2005KR03      Eur.Phys.J. C 40, 447 (2005)

Ch.Kraus, B.Bornschein, L.Bornschein, J.Bonn, B.Flatt, A.Kovalik, B.Ostrick, E.W.Otten, J.P.Schall, Th.Thummler, Ch.Weinheimer

Final results from phase II of the Mainz neutrino mass search in tritium β decay

RADIOACTIVITY 3H(β-); measured Eβ; deduced neutrino mass limit.

doi: 10.1140/epjc/s2005-02139-7
Citations: PlumX Metrics


2005YA03      Appl.Radiat.Isot. 62, 451 (2005)

E.A.Yakushev, A.Kovalik, D.V.Filosofov, N.A.Korolev, N.A.Lebedev, A.V.Lubashevsky, F.Rosch, A.F.Novgorodov

An experimental comparison of the K- and L-Auger electron spectra generated in the decays of 140Nd and 111In

RADIOACTIVITY 111In, 140Nd(EC); measured Auger electron spectra, relative intensities.

doi: 10.1016/j.apradiso.2004.06.012
Citations: PlumX Metrics


2003BR25      Bull.Rus.Acad.Sci.Phys. 67, 680 (2003)

V.B.Brudanin, N.I.Rukhadze, Ch.Briancon, P.Benesh, S.I.Vasiliev, Ts.Vylov, K.N.Gusev, V.G.Egorov, A.K.Kachalkin, A.A.Klimenko, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, V.G.Sandukovsky, A.A.Smolnikov, V.V.Timkin, T.V.Trofimov, P.Cermak, M.V.Shirchenko, Yu.A.Shitov, I.Stekl

Low-background multidetector spectrometer TGV-2 for investigation of double β-decay


2003KR17      Nucl.Phys. A721, 533c (2003)

Ch.Kraus, J.Bonn, B.Bornschein, L.Bornschein, B.Flatt, A.Kovalik, B.Muller, E.W.Otten, J.P.Schall, TH.Thummler, Ch.Weinheimer

Latest results form the Mainz Neutrino Mass Experiment

RADIOACTIVITY 3H(β-); measured Eβ; deduced neutrino mass limit.

doi: 10.1016/S0375-9474(03)01117-5
Citations: PlumX Metrics


2002BA33      Nucl.Phys. A700, 17 (2002)

A.Bakalyarov, A.Balysh, A.Barabash, Ch.Briancon, V.Brudanin, V.Egorov, F.Hubert, Ph.Hubert, A.Kovalik, V.I.Lebedev, N.I.Rukhadze, I.Stekl, V.Umatov, Ts.Vylov

Search for β- and β-β- Decays of 48Ca

RADIOACTIVITY 48Ca(β-), (2β-); measured T1/2 lower limits. Comparison with model predictions.

doi: 10.1016/S0375-9474(01)01306-9
Citations: PlumX Metrics


2002BB03      Pisma Zh.Eksp.Teor.Fiz. 76, 643 (2002); JETP Lett. 76, 545 (2002)

A.Bakalyarov, A.Balysh, A.S.Barabash, P.Benes, C.Briancon, V.Brudanin, P.Cermak, V.Egorov, F.Hubert, Ph.Hubert, N.A.Korolev, V.N.Kosjakov, A.Kovalik, N.A.Lebedev, V.I.Lebedev, A.F.Novgorodov, N.I.Rukhadze, N.I.Stekl, V.V.Timkin, I.E.Veleshko, Ts.Vylov, V.I.Umatov

Improved Limits on β- and β-β- Decays of 48Ca

RADIOACTIVITY 48Ca(β-), (2β-); measured T1/2 lower limits. Comparison with previous results, model predictions.

doi: 10.1134/1.1538286
Citations: PlumX Metrics


2002BO27      Prog.Part.Nucl.Phys. 48, 133 (2002)

J.Bonn, B.Bornschein, L.Bornschein, L.Fickinger, B.Flatt, A.Kovalik, Ch.Kraus, B.Muller, E.W.Otten, J.P.Schall, Th.Thummler, H.Ulrich, Ch.Weinheimer, E.W.Otten

Results from the Mainz Neutrino Mass Experiment

RADIOACTIVITY 3H(β-); analyzed Eβ; deduced neutrino mass.

doi: 10.1016/S0146-6410(02)00119-9
Citations: PlumX Metrics


2002CE05      Czech.J.Phys. 52, 583 (2002)

P.Cermak, I.Stekl, P.Benes, V.B.Brudanin, N.I.Rukhadze, V.G.Egorov, V.E.Kovalenko, A.Kovalik, R.Pismenniy, A.V.Salamatin, V.Timkin, Ts.Vylov, D.Venos

Distinguishing between Electrons and γ-Rays in Experiment TGV using a Pulse Rise Time

doi: 10.1023/A:1015373713812
Citations: PlumX Metrics


2002DR09      Nucl.Instrum.Methods Phys.Res. B194, 112 (2002)

O.Dragoun, A.Spalek, A.Kovalik, E.A.Yakushev, M.Rysavy, J.Frana, V.Brabec, A.F.Novgorodov, D.Liljequist

Scattering of 7.3 keV Conversion Electrons from a 57Co Source Covered Gradually by Gold Absorbers of Various Thicknesses

RADIOACTIVITY 57Co(EC); measured E(ce), I(ce), effect of gold absorber.

doi: 10.1016/S0168-583X(02)00688-2
Citations: PlumX Metrics


2002SP06      Nucl.Instrum.Methods Phys.Res. B196, 357 (2002)

A.Spalek, O.Dragoun, A.Kovalik, E.A.Yakushev, M.Rysavy, J.Frana, V.Brabec, A.F.Novgorodov, I.Cserny, J.Toth, D.Varga, L.Kover

Study of the conversion electron and XPS spectra of radioactive 57Co sources

RADIOACTIVITY 57Co(EC); measured conversion electron and X-ray spectra, influence of source backing material.

doi: 10.1016/S0168-583X(02)01340-X
Citations: PlumX Metrics


2002ST17      Czech.J.Phys. 52, 541 (2002)

I.Stekl, P.Cermak, P.Benes, V.B.Brudanin, N.I.Rukhadze, V.G.Egorov, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, Ts.Vylov, F.Simkovic

Present Status of the Experiment TGV II

doi: 10.1023/A:1015313527925
Citations: PlumX Metrics


2002YA04      J.Phys.(London) G28, 463 (2002)

E.A.Yakushev, V.G.Chumin, V.M.Gorozhankin, K.Ya.Gromov, A.Kovalik, D.V.Filosofov, Y.V.Norseev, L.V.Yurkova

The Predicted 10.6 keV Transition in 221Fr from the α-Decay of 225Ac Revealed

RADIOACTIVITY 225Ac(α); measured E(ce), I(ce) following α decay. 221Fr deduced transitions. Electrostatic spectrometer.

doi: 10.1088/0954-3899/28/3/308
Citations: PlumX Metrics


2001BO06      Nucl.Phys. B(Proc.Supp.) S91, 273 (2001)

J.Bonn, B.Bornschein, L.Bornschein, L.Fickinger, B.Flatt, O.Kazachenko, A.Kovalik, Ch.Kraus, E.W.Otten, J.P.Schall, H.Ulrich, Ch.Weinheimer

The Mainz Neutrino Mass Experiment

RADIOACTIVITY 3H(β-); measured Eβ, Iβ; deduced neutrino mass limits.

doi: 10.1016/S0920-5632(00)00951-8
Citations: PlumX Metrics


2000BO32      Yad.Fiz. 63, No 6, 1044 (2000); Phys.Atomic Nuclei 63, 969 (2000)

J.Bonn, B.Bornschein, L.Bornschein, L.Fickinger, O.Kazachenko, A.Kovalik, Ch.Kraus, E.W.Otten, H.Ulrich, Ch.Weinheimer

Newest Results from the Mainz Neutrino-Mass Experiment

RADIOACTIVITY 3H(β-); measured Eβ, Iβ; deduced ν mass upper limit. Time dependence of spectrum anomaly discussed.

doi: 10.1134/1.855733
Citations: PlumX Metrics


2000BR44      Yad.Fiz. 63, No 7, 1292 (2000); Phys.Atomic Nuclei 63, 1218 (2000)

V.B.Brudanin, N.I.Rukhadze, Ch.Briancon, V.G.Egorov, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, V.V.Tsupko-Sitnikov, Ts.Vylov, I.Stekl

Double-Beta Decay of 48Ca in the TGV Experiment

RADIOACTIVITY 48Ca(2β-); measured βγ-, ββ-coin, 2ν accompanied 2β-decay T1/2. Low-background experiment.

doi: 10.1134/1.855772
Citations: PlumX Metrics


2000BR63      Phys.Lett. 495B, 63 (2000)

V.B.Brudanin, N.I.Rukhadze, Ch.Briancon, V.G.Egorov, V.E.Kovalenko, A.Kovalik, A.V.Salamatin, I.Stekl, V.V.Tsupko-Sitnikov, Ts.Vylov, P.Cermak

Search for Double Beta Decay of 48Ca in the TGV Experiment

RADIOACTIVITY 48Ca(2β-); measured 2ν accompanied 2β-decay T1/2, 0ν accompanied 2β-decay T1/2 lower limit.

doi: 10.1016/S0370-2693(00)01244-2
Citations: PlumX Metrics


2000DR02      Appl.Radiat.Isot. 52, 387 (2000)

O.Dragoun, A.Spalek, M.Rysavy, A.Kovalik, E.A.Yakushev, V.Brabec, J.Frana, D.Venos

Improved Methods of Measurement and Analysis of Conversion Electron and β-Particle Spectra

RADIOACTIVITY 241Pu(β-); measured Eβ, Iβ; deduced electron scattering effects, source stability features.

doi: 10.1016/S0969-8043(99)00183-9
Citations: PlumX Metrics


1999BB29      Nucl.Phys. (Supplement) A654, 988c (1999)

H.Barth, A.Bleile, J.Bonn, L.Bornschein, B.Degen, L.Fleischmann, O.Kazachenko, A.Kovalik, E.W.Otten, M.Przyrembel, Ch.Weinheimer

New Results from the Mainz Neutrino Mass Experiment

RADIOACTIVITY 3H(β-); analyzed β spectrum; deduced neutrino mass limit.

doi: 10.1016/S0375-9474(00)88586-3
Citations: PlumX Metrics


1999DR13      J.Phys.(London) G25, 1839 (1999)

O.Dragoun, A.Spalek, M.Rysavy, A.Kovalik, E.A.Yakushev, V.Brabec, A.F.Novgorodov, N.Dragounova, J.Rizek

Search for an Admixture of Heavy Neutrinos in the β-Decay of 241Pu

RADIOACTIVITY 241Pu(β-); measured β spectrum; deduced heavy neutrino admixture upper limits.

doi: 10.1088/0954-3899/25/9/307
Citations: PlumX Metrics


1999KO61      J. Electron Spectrosc. Relat. Phenom. 105, 219 (1999)

A.Kovalik, E.A.Yakushev, D.V.Filosofov, V.M.Gorozhankin, P.A.Petev, M.A.Mahmoud

Precise measurement of the KLL and KLX Auger spectra of cadmium from the EC-decay of 111In

RADIOACTIVITY 111In(EC) [from 109Ag(α, 2n), E=30 MeV]; measured decay products, Eβ, Iβ; deduced Auger electron spectra energies and intensities, evidence of structures predicted by the intermediate coupling theory. Comparison with available data.

doi: 10.1016/S0368-2048(99)00059-6
Citations: PlumX Metrics


1999WE13      Phys.Lett. 460B, 219 (1999); Erratum Phys.Lett. 464B, 352 (1999)

Ch.Weinheimer, B.Degen, A.Bleile, J.Bonn, L.Bornschein, O.Kazachenko, A.Kovalik, E.W.Otten

High Precision Measurement of Tritium β Spectrum Near Its Endpoint and Upper Limit on the Neutrino Mass

RADIOACTIVITY 3H(β-); measured β spectra; deduced endpoint energy, neutrino mass limit.

doi: 10.1016/S0370-2693(99)00780-7
Citations: PlumX Metrics


1998KO61      J.Phys.(London) G24, 2247 (1998)

A.Kovalik, E.A.Yakushev, V.M.Gorozhankin, A.F.Novgorodov, M.Rysavy

The Low-Energy Electron Spectrum from the α-Decay of 241Am

RADIOACTIVITY 241Am(α); measured E(ce), I(ce). 237Np deduced transitions energies. Electrostatic spectrometer.

doi: 10.1088/0954-3899/24/12/009
Citations: PlumX Metrics


1998KO78      J. Electron Spectrosc. Relat. Phenom. 95, 231 (1998)

A.Kovalik, V.M.Gorozhankin, A.F.Novgorodov, M.A.Mahmoud, N.Coursol, E .A.Yakushev, V.V.Tsupko-Sitnikov

The electron spectrum from the atomic deexcitation of 13154Xe.

RADIOACTIVITY 131Cs(EC), 131I(β-) [from Ba(n, γ)131Ba, E thermal]; measured decay products, Eβ, Iβ, X-rays; deduced Auger transitions e nergies and intensities, L3MM and KLM Auger lines, relative intensities of t he main β-spectrum components.

doi: 10.1016/S0368-2048(98)00215-1
Citations: PlumX Metrics


1998RY06      Prog.Part.Nucl.Phys. 40, 335 (1998)

M.Rysavy, V.Brabec, O.Dragoun, N.Dragounova, A.Spalek, J.Rizek, A.Kovalik, A.F.Novgorodov

Measurements of 241Pu β-Spectrum in Search for Admixture of Massive Neutrinos

RADIOACTIVITY 241Pu(β-); measured β spectra; deduced massive neutrino admixture upper limit.

doi: 10.1016/S0146-6410(98)00043-X
Citations: PlumX Metrics


1996BR29      Bull.Rus.Acad.Sci.Phys. 60, 110 (1996)

V.B.Brudanin, C.Briancon, C.Vylov, N.I.Rukhadze, A.V.Salamatin, I.Stekl, V.G.Egorov, V.E.Kovalenko, A.Kovalik, A.V.Revenko, V.V.Timkin, V.G.Sandukovsky, V.V.Tsupko-Sitnikov, Sh.E.Zaparov, V.Vorobel

Background Conditions in the TGV Spectrometer to Search for Double β-Decay


1996BR45      Nucl.Instrum.Methods Phys.Res. A372, 222 (1996)

Ch.Briancon, V.B.Brudanin, V.G.Egorov, Z.Janout, J.Konicek, A.Kovalik, V.E.Kovalenko, J.Kubasta, S.Pospisil, A.V.Revenko, N.I.Rukhadze, A.V.Salamatin, V.G.Sandukovsky, I.Stekl, V.V.Timkin, V.V.Tsupko-Sitnikov, V.Vorobel, Ts.Vylov

The High Sensitivity Double Beta Spectrometer TGV

RADIOACTIVITY 207Bi(EC), (β+); measured electron transmission through CaCo3 foil; deduced 48Ca, 150Nd 2β-decay improved T1/2 estimate measurement possibility. High sensitivity double beta Telescope Germanium Vertical spectrometer.

doi: 10.1016/0168-9002(95)01019-X
Citations: PlumX Metrics


1996GO06      J.Phys.(London) G22, 377 (1996)

V.M.Gorozhankin, V.G.Kalinnikov, A.Kovalik, A.A.Solnyshkin, A.F.Novgorodov, N.A.Lebedev, N.Yu.Kotovsky, E.A.Yakushev, M.A.Mahmoud, M.Rysavy

The Problem of the Anomaly in the 158Er Beta Decay Solved

RADIOACTIVITY 158,161Er(β+) [from Ta(p, X), E=640 MeV]; measured I(ce), Eγ, Iγ. 158,161Ho deduced levels, J, π, γ multipolarity in some cases.

doi: 10.1088/0954-3899/22/3/011
Citations: PlumX Metrics


1993KO45      J.Phys.(London) G19, 1921 (1993)

A.Kovalik, V.M.Gorozhankin

A Conversion-Electron Investigation of the 9.4 keV M1 + E2 Transition in 83Kr

RADIOACTIVITY 83Rb(EC); 83mKr(IT) [from 83Rb-decay]; measured I(ce). 83Kr deduced transition ICC ratios, δ. Combined electrostatic electron spectrometer.

doi: 10.1088/0954-3899/19/11/018
Citations: PlumX Metrics


1993WA18      Nucl.Instrum.Methods Phys.Res. A332, 334 (1993)

B.Was, A.Kovalik, A.F.Novgorodov, J.Rak

A New Technique for the Preparation of Small-Size Radioactive Samples Based on the Langmuir-Blodgett Method

RADIOACTIVITY 169Yb(EC); measured I(ce). Preparation of small size monomolecular layered source, modified Langmuir-Blodgett technique.

doi: 10.1016/0168-9002(93)90779-H
Citations: PlumX Metrics


1990BR19      J.Phys.(London) G16, 1221 (1990)

V.Brabec, A.Kovalik, O.Dragoun, M.Ya.Kuznetsova, A.Mastalka, J.Adam

A Full Proton-Neutron Multiplet Confirmed in Odd-Odd 204Bi

RADIOACTIVITY 204,205,206Po [from 206Pb(3He, xn), E=46 MeV]; measured I(ce). 204Bi deduced levels, J, π, γ-multipolarity, ICC, multiplet structure.

doi: 10.1088/0954-3899/16/8/017
Citations: PlumX Metrics


1990GO02      J.Phys.(London) G16, 99 (1990)

V.M.Gorozhankin, A.Kovalik, V.G.Kalinnikov, Ts.Vylov, K.Ya.Gromov, N.A.Lebedev, A.F.Novgorodov, O.Dragoun, V.Brabec, S.K.Vasilev

Experimental Evidence for Missing Low-Energy Transition in the 160Er → 160Ho Decay

RADIOACTIVITY 165,160Er, 160Ho [from Ta(p, xnyp), E=640 MeV]; measured I(ce), Eγ, Iγ. 160Ho deduced ICC ratios, δ(M2/E1), level J, π. Electrostatic electron spectrometers, hyperpure Ge detector.

doi: 10.1088/0954-3899/16/1/013
Citations: PlumX Metrics


1987KO38      J.Phys.(London) B20, 3997 (1987)

A.Kovalik, A.Inoyatov, A.F.Novgorodov, V.Brabec, M.Rysavy, Ts.Vylov, O.Dragoun, A.Minkova

K Auger Spectrum of Iron from the 57Co Decay

ATOMIC PHYSICS 57Fe; measured Auger electrons E(e), I(e). Electrostatic spectrometer, 57Co source.

doi: 10.1088/0022-3700/20/16/012
Citations: PlumX Metrics


1983BR09      Z.Phys. A311, 37 (1983)

V.Brabec, O.Dragoun, M.Rysavy, M.Fiser, A.Kovalik, I.Cserny, I.Kadar

The KLL Auger Spectrum of Manganese

RADIOACTIVITY 55Fe(EC); measured Auger spectra. 55Mn deduced subshell intensity ratios.

doi: 10.1007/BF01411604
Citations: PlumX Metrics


1983DR15      Phys.Lett. 99A, 187 (1983)

O.Dragoun, M.Fiser, V.Brabec, A.Kovalik, A.Kuklik, P.Mikusik

A New Method of Valence State Determination Based on Measurements of Internal Conversion Electrons

RADIOACTIVITY 99mTc(β-), (IT); measured I(ce); deduced M-subshell electron binding energies. Elemental Tc, Tc dioxide samples.

doi: 10.1016/0375-9601(83)90974-X
Citations: PlumX Metrics


1982BR16      Z.Phys. A306, 347 (1982)

V.Brabec, M.Rysavy, O.Dragoun, M.Fiser, A.Kovalik, Cs.Ujhelyi, D.Berenyi

Nuclear Structure and Chemical Effects in Internal Conversion of the 35 keV M1 + E2 Transition in 125Te

RADIOACTIVITY 125I(EC) [from 124Xe(n, γ)125Xe(decay)]; measured I(ce). 125Te transition deduced ICC, subshell ratios, δ. Iron yoke π square root 2 magnetic spectrometer.

doi: 10.1007/BF01432375
Citations: PlumX Metrics


1982DR02      Czech.J.Phys. B32, 711 (1982)

O.Dragoun, V.Brabec, A.Mastalka, A.Kovalik, M.Ya.Kuznetsova, Yu.V.Norseev

Existence of the 4 keV Transition in 208Po Proved

RADIOACTIVITY 208At [from 209Bi(3He, 4n), E=38.5 MeV]; measured Eγ, Iγ, I(ce). 208Po deduced transition energy, subshell ICC ratios.

doi: 10.1007/BF01596723
Citations: PlumX Metrics


1982DR10      Nucl.Phys. A391, 29 (1982)

O.Dragoun, V.Brabec, A.Mastalka, A.Kovalik, M.Rysavy, M.Ya.Kuznetsova, Yu.V.Norseev

Low-Energy Transition Depopulating the Isomeric 8+ Level in 208Po

RADIOACTIVITY 208At(EC) [from 209Bi(3He, 4n)]; measured I(ce). 208Po deduced ICC ratios, γ-multipolarity.

doi: 10.1016/0375-9474(82)90217-2
Citations: PlumX Metrics


Back to query form