NSR Query Results
Output year order : Descending NSR database version of March 18, 2024. Search: Author = F.Simkovic Found 131 matches. Showing 1 to 100. [Next]2024NI05 Phys.Rev. C 109, 025501 (2024) O.Nitescu, R.Dvornicky, F.Simkovic Atomic corrections for the unique first-forbidden β transition of 187Re
doi: 10.1103/PhysRevC.109.025501
2023NI03 Phys.Rev. C 107, 025501 (2023) O.Nitescu, S.Stoica, F.Simkovic Exchange correction for allowed β decay RADIOACTIVITY 14C, 45Ca, 63Ni, 241Pu(β-); Z=1-102(β-); calculated Eβ β-spectrum shape, exchange corrections to the β-spectrum, contributions from exchange with occupied orbitals, antineutrino spectra corresponding to the β transitions. Dirac-Hartree-Fock-Slater self-consistent method modified to ensure the orthogonality between the continuum and bound electron states in the potential of the final atom.
doi: 10.1103/PhysRevC.107.025501
2021AR11 Phys.Rev. C 104, L061601 (2021) R.Arnold, C.Augier, A.S.Barabash, A.Basharina-Freshville, S.Blondel, S.Blot, M.Bongrand, D.Boursette, R.Breier, V.Brudanin, J.Busto, A.J.Caffrey, S.Calvez, C.Cerna, J.P.Cesar, M.Ceschia, A.Chapon, E.Chauveau, A.Chopra, L.Dawson, D.Duchesneau, D.Durand, G.Eurin, J.J.Evans, L.Fajt, D.Filosofov, R.Flack, P.Franchini, X.Garrido, C.Girard-Carillo, H.Gomez, B.Guillon, P.Guzowski, R.Hodak, A.Huber, P.Hubert, C.Hugon, M.H.Hussain, S.Jullian, A.Klimenko, O.Kochetov, S.I.Konovalov, V.Kovalenko, D.Lalanne, K.Lang, Y.Lemiere, T.Le Noblet, Z.Liptak, X.R.Liu, P.Loaiza, G.Lutter, M.Macko, C.Macolino, F.Mamedov, C.Marquet, F.Mauger, A.Minotti, B.Morgan, J.Mott, I.Nemchenok, M.Nomachi, F.Nova, F.Nowacki, H.Ohsumi, G.Oliviero, R.B.Pahlka, V.Palusova, C.Patrick, F.Perrot, A.Pin, F.Piquemal, P.Povinec, P.Pridal, W.S.Quinn, Y.A.Ramachers, A.Remoto, J.L.Reyss, C.L.Riddle, E.Rukhadze, R.Saakyan, A.Salamatin, R.Salazar, X.Sarazin, J.Sedgbeer, Yu.Shitov, L.Simard, F.Simkovic, A.Smetana, A.Smolnikov, S.Soldner-Rembold, B.Soule, I.Stekl, J.Suhonen, C.S.Sutton, G.Szklarz, H.Tedjditi, J.Thomas, V.Timkin, S.Torre, Vl.I.Tretyak, V.I.Tretyak, V.I.Umatov, I.Vanushin, C.Vilela, V.Vorobel, D.Waters, F.Xie Search for periodic modulations of the rate of double-β decay of 100Mo in the NEMO-3 detector RADIOACTIVITY 100Mo(2β-); measured two electrons in final state of 0νββ decay, decay rates and power spectra using NEMO-3 detector; searched for periodic modulations of double-β decay rate by Lomb-Scargle periodogram technique, and its error-weighted extension; deduced no evidence of modulations with amplitude greater than 2.5% at the 95% confidence level.
doi: 10.1103/PhysRevC.104.L061601
2021NI10 Universe 7, 147 (2021) O.Nitescu, R.Dvornicky, S.Stoica, F.Simkovic Angular Distributions of Emitted Electrons in the Two-Neutrino ββ Decay
doi: 10.3390/universe7050147
2020SI19 Phys.Rev. C 102, 034301 (2020) F.Simkovic, R.Dvornicky, P.Vogel Muon capture rates: Evaluation within the quasiparticle random phase approximation NUCLEAR REACTIONS 48Ti, 76Se, 82Kr, 96Mo, 100Ru, 110Cd, 116Sn, 124Te, 128,130Xe, 134,136Ba, 150Sm(μ-, ν), E(muon binding energy)=1.27-7.14 MeV; calculated muon capture rates for final nuclei participating in double-β decay, energy spectra of muon capture rates on 76Se and 136Ba nuclei using quasiparticle random phase approximation (QRPA) method. Comparison with available experimental capture rates.
doi: 10.1103/PhysRevC.102.034301
2019TY02 Phys.Atomic Nuclei 82, 1627 (2019) K.S.Tyrin, M.I.Krivoruchenko, F.F.Simkovic Internal Ionization of an Atom in the β Decay of Tritium ATOMIC PHYSICS 3H; calculated probability of β-electron (from β- decay of 3H) scattering off a bound electron vs electron momentum and vs kinetic energy; deduced using the results to search and mass determination for keV-scale sterile neutrinos, envisaged within the KATRIN experiment in the middle part of β-sepctrum, where the internal ionization effect is significant.
doi: 10.1134/S1063778819120305
2018BA45 Phys.Rev. C 98, 065501 (2018) A.Babic, D.Stefanik, M.I.Krivoruchenko, F.Simkovic Bound-state double-β decay RADIOACTIVITY 46,48Ca, 70Zn, 76Ge, 80,82Se, 86Kr, 94,96Zr, 98,100Mo, 104Ru, 110Pd, 114,116Cd, 122,124Sn, 128,130Te, 134,136Xe, 142Ce, 146,148,150Nd, 154Sm, 160Gd, 170Er, 176Yb, 186W, 192Os, 198Pt, 204Hg, 232Th, 238U(2β-); calculated Fermi sums, bound-state and standard decay phase-space factors, relative frequencies of bound-state to continuum-state decays for 0νββ and 2νββ decay modes. 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe, 150Nd, 238U(2β-); calculated nuclear matrix elements (NMEs) and half-lives for 0νββ and 2νββ decay modes. Bound-state two-neutrino and neutrinoless double-β decays. Calculations used multiconfiguration Dirac-Hartree-Fock package GRASP2K. Relevance to double-β decay experiment NEMO-3, SuperNEMO, and two-electron spectra in the calorimetric experiments CUORE, EXO-200 and GERDA.
doi: 10.1103/PhysRevC.98.065501
2018FA04 Phys.Rev. C 97, 045503 (2018) D.-L.Fang, A.Faessler, F.Simkovic 0νββ decay nuclear matrix element for light and heavy neutrino mass mechanisms from deformed quasiparticle random-phase approximation calculations for 76Ge, 82Se, 130Te, 136Xe, and 150Nd with isospin restoration NUCLEAR STRUCTURE 76Ge, 76Se, 82Se, 82Kr, 130Te, 130Xe, 136Xe, 136Ba, 150Nd, 150Sm; calculated quadrupole deformation parameters, pairing strengths, BCS overlap, particle-particle interaction strengths for the corresponding parent/daughter pair in double beta decay using deformed Wood-Saxon potential with Coulomb corrections. RADIOACTIVITY 76Ge, 82Se, 130Te, 136Xe, 150Nd(2β-); calculated nuclear matrix elements (NME) for 0νββ decay mode for both light and heavy neutrino mechanisms by deformed quasiparticle random-phase approach using AV18 and CD-Bonn potentials with and without short range correlations (SRC). Comparison with other theoretical calculations. 150Nd; detailed decomposition of NMEs for 150Nd decay into various intermediate channels, and for different model spaces.
doi: 10.1103/PhysRevC.97.045503
2018SI06 Phys.Rev. C 97, 034315 (2018) F.Simkovic, R.Dvornicky, D.Stefanik, A.Faessler Improved description of the 2νββ-decay and a possibility to determine the effective axial-vector coupling constant RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe, 150Nd(2β-); calculated phase-space factors for 2νββ and 0νββ decay modes using standard approximation of Doi et al., and the exact Dirac wave functions with finite nuclear size and electron screening, nuclear matrix elements (NMEs) and ratios of nuclear matrix elements for 2νββ and 0νββ decay modes within the pnQRPA with partial isospin restoration, half-lives for 2νββ-decays, running sum of the 2νββ-decay NMEs, partial and full differential decay rates, endpoints of the spectra of the differential decay rates for 82Se and 100Mo, nuclear matrix elements for 48Ca, 76Ge, 100Mo, 116Cd, 128Te from measured GT+ and GT- strengths in charge-exchange reaction, and effective axial-vector coupling constant gA for 100Mo and 116Cd.
doi: 10.1103/PhysRevC.97.034315
2018SI33 Phys.Rev. C 98, 064325 (2018) F.Simkovic, A.Smetana, P.Vogel 0νββ and 2νββ nuclear matrix elements evaluated in closure approximation, neutrino potentials and SU(4) symmetry RADIOACTIVITY 48Ca, 76Ge, 82Se, 94,96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe(2β-); calculated nuclear matrix elements for 2νββ and 0νββ decay modes within the proton-neutron quasi-random phase approximation (QRPA) using two ways of fixing the strengths of residual interactions in the nuclear Hamiltonian. Spin-isospin SU(4) symmetry. Comparison to available experimental data.
doi: 10.1103/PhysRevC.98.064325
2017FA03 Phys.Rev. C 95, 045502 (2017) A.Faessler, L.Gastaldo, F.Simkovic Neutrino mass, electron capture, and the shake-off contributions RADIOACTIVITY 163Ho(EC); calculated effect of s-wave shake off on the de-excitation spectrum of the 163Dy atom after electron capture in 163Ho; deduced small effects for the determination of the electron neutrino mass. Sudden approximation used to calculate the spectrum of the decay of 163Dy* atom, and the wave functions of Ho and Dy* determined self-consistently with the antisymmetrized relativistic Dirac-Hartree-Fock approach.
doi: 10.1103/PhysRevC.95.045502
2017GA14 Eur.Phys.J. Special Topics 226, 1623 (2017) L.Gastaldo, K.Blaum, K.Chrysalidis, T.Day Goodacre, A.Domula, M.Door, H.Dorrer, Ch.E.Dullmann, K.Eberhardt, S.Eliseev, C.Enss, A.Faessler, P.Filianin, A.Fleischmann, D.Fonnesu, L.Gamer, R.Haas, C.Hassel, D.Hengstler, J.Jochum, K.Johnston, U.Kebschull, S.Kempf, T.Kieck, U.Koster, S.Lahiri, M.Maiti, F.Mantegazzini, B.Marsh, P.Neroutsos, Yu.N.Novikov, P.C.O.Ranitzsch, S.Rothe, A.Rischka, A.Saenz, O.Sander, F.Schneider, S.Scholl, R.X.Schussler, Ch.Schweiger, F.Simkovic, T.Stora, Z.Szucs, A.Turler, M.Veinhard, M.Weber, M.Wegner, K.Wendt and K.Zuber The electron capture in 163Ho experiment - ECHo RADIOACTIVITY 163Ho(EC); measured decay products, X-rays; calculated electron capture spectrum; deduced sensitivity towards neutrino mass measurements.
doi: 10.1140/epjst/e2017-70071-y
2016VE07 Int.J.Mod.Phys. E25, 1630007 (2016) J.D.Vergados, H.Ejiri, F.Simkovic Neutrinoless double beta decay and neutrino mass RADIOACTIVITY 76Ge, 82Se, 100Mo, 116Cd, 130Te, 136Xe, 150Nd(2β-); calculated neutrino mass sensitivities, nuclear matrix elements.
doi: 10.1142/S0218301316300071
2015BE08 Nucl.Phys. A937, 17 (2015) V.B.Belyaev, P.Ricci, F.Simkovic, J.Adam, Jr., M.Tater, E.Truhlik Consequence of total lepton number violation in strongly magnetized iron white dwarfs
doi: 10.1016/j.nuclphysa.2015.02.002
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
2015FA01 J.Phys.(London) G42, 15108 (2015) A.Faessler, L.Gastaldo, F.Simkovic Electron capture in 163Ho, overlap plus exchange corrections and neutrino mass RADIOACTIVITY 163Ho(EC); analyzed available data; calculated β-spectrum; deduced neutrino mass.
doi: 10.1088/0954-3899/42/1/015108
2015FA08 Phys.Rev. C 91, 045505 (2015) Improved description of one- and two-hole excitations after electron capture in 163Ho and the determination of the neutrino mass RADIOACTIVITY 163Ho(EC); calculated energies, widths and probabilities of one- and two-hole states in 163Dy, ionization energies and two-hole probabilities relative to 3s1/2 state comparing Xe with Ho, theoretical bolometer spectrum, upper 10 and 20 eV of the bolometer spectra for neutrino mass of 0, 2 and 10 eV. Mass of electron antineutrino. Comparison with experimental data from ECHo collaboration. Self-consistent relativistic Dirac-Hartree-Fock (DHF) approach.
doi: 10.1103/PhysRevC.91.045505
2015FA09 Phys.Rev. C 91, 064302 (2015) A.Faessler, C.Enss, L.Gastaldo, F.Simkovic Determination of the neutrino mass by electron capture in 163Ho and the role of the three-hole states in 163Dy RADIOACTIVITY 163Ho(EC); calculated electron wave functions and the overlaps, three-hole Bolometer spectrum for the sum of the one-, two-, and three-hole probabilities with the known resonance energies and widths; deduced weak strength of three-hole states with no influence on the determination of the neutrino mass. Comparison with data from ECHo Collaboration; Self-consistent fully relativistic and antisymmetrized Dirac-Hartree-Fock calculations in holmium and in dysprosium, including the one-hole and three-hole atomic states in 163Dy.
doi: 10.1103/PhysRevC.91.064302
2015FA11 Phys.Rev. C 92, 044301 (2015) D.-L.Fang, A.Faessler, F.Simkovic Partial restoration of isospin symmetry for neutrinoless double β decay in the deformed nuclear system of 150Nd RADIOACTIVITY 150Nd(2β-); calculated nuclear matrix elements (NME), Fermi and Gamow-Teller matrix elements for the 0νββ decay mode, decomposition of the matrix elements for different values of Kπ using the deformed quasiparticle random-phase approximation (pn-QRPA) method. Isospin symmetry restoration.
doi: 10.1103/PhysRevC.92.044301
2015HA24 Phys.Rev. C 92, 044315 (2015) Brueckner G-matrix approach for neutron-proton pairing correlations in the deformed BCS approach NUCLEAR STRUCTURE 64,66,68,70,72,74Ge; calculated pairing potential, neutron-proton pairing gap, proton, neutron and neutron-proton pairing strengths, np pairing gaps as a function of deformation parameter β2, occupation probabilities of neutrons and protons. Brueckner G-matrix approach, based on CD-Bonn potential for neutron-proton (np) pairing correlations in the deformed Bardeen-Cooper-Schrieffer (BCS) theory.
doi: 10.1103/PhysRevC.92.044315
2015JE02 Nucl.Instrum.Methods Phys.Res. A795, 268 (2015) M.Jeskovsky, D.Frekers, A.Kovacik, P.P.Povinec, P.Puppe, J.Stanicek, I.Sykora, F.Simkovic, J.H.Thies A search for double-electron capture of 74Se to excited levels using coincidence/anticoincidence gamma-ray spectrometry RADIOACTIVITY 74Se(2EC); measured decay products, Eγ, Iγ; deduced T1/2 limit. Comparison with available data.
doi: 10.1016/j.nima.2015.05.071
2015ST11 Phys.Rev. C 91, 064311 (2015) D.Stefanik, F.Simkovic, A.Faessler Structure of the two-neutrino double-β decay matrix elements within perturbation theory
doi: 10.1103/PhysRevC.91.064311
2015ST19 Phys.Rev. C 92, 055502 (2015) D.Stefanik, R.Dvornicky, F.Simkovic, P.Vogel Reexamining the light neutrino exchange mechanism of the 0νββ decay with left- and right-handed leptonic and hadronic currents RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 130Te, 136Xe, 150Nd(2β-); calculated kinematical phase-space factors for 0νββ decay mode using exact Dirac wave functions of the s1/2 and p1/2 electrons with finite nuclear size and electron screening taken into account. Mechanism of exchange of a virtual light Majorana neutrino.
doi: 10.1103/PhysRevC.92.055502
2014EN02 Phys.Rev. C 89, 064308 (2014) Chiral two-body currents and neutrinoless double-β decay in the quasiparticle random-phase approximation RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 130Te, 136Xe(2β-); calculated matrix elements for 0νββ decay mode with one- and two-body nucleon current operators and the Argonne V18 G-matrix based QRPA, and CD-Bonn interaction with several sets of values for chiral EFT parameters. Discussed quenching of spin operators in nuclei.
doi: 10.1103/PhysRevC.89.064308
2014GA33 J.Low Temp.Physics 176, 876 (2014) L.Gastaldo, K.Blaum, A.Doerr, Ch.E.Dullmann, K.Eberhardt, S.Eliseev, C.Enss, A.Faessler, A.Fleischmann, S.Kempf, M.Krivoruchenko, S.Lahiri, M.Maiti, Yu.N.Novikov, P.C.-O.Ranitzsch, F.Simkovic, Z.Szucs, M.Wegner The Electron Capture 163Ho Experiment ECHo RADIOACTIVITY 163Ho(EC); measured decay products, X-rays; deduced β-decay spectra, Q-values. Neutrino mass, metallic magnetic calorimeters, SQUID.
doi: 10.1007/s10909-014-1187-4
2014KO09 Phys.Rev.Lett. 112, 142503 (2014) S.Kovalenko, M.I.Krivoruchenko, F.Simkovic Neutrino Propagation in Nuclear Medium and Neutrinoless Double-β Decay
doi: 10.1103/PhysRevLett.112.142503
2013SI08 Phys.Rev. C 87, 045501 (2013) F.Simkovic, V.Rodin, A.Faessler, P.Vogel 0νββ and 2νββ nuclear matrix elements, quasiparticle random-phase approximation, and isospin symmetry restoration RADIOACTIVITY 48Ca, 76Ga, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 134,136Xe(2β-); calculated parameters of pairing interaction, 0νββ and 2νββ matrix elements. Quasiparticle random-phase approximation (QRPA) calculations with Argonne, and CD-Bonn interactions. Proton-neutron interaction separated into isovector (T=1) and isoscalar (T=0) parts.
doi: 10.1103/PhysRevC.87.045501
2013ST17 Phys.Rev. C 88, 025503 (2013) D.Stefanik, F.Simkovic, K.Muto, A.Faessler Two-neutrino double-β decay Fermi transition and two-nucleon interaction
doi: 10.1103/PhysRevC.88.025503
2012BI07 Phys.Part. and Nucl.Lett. 9, 220 (2012) A possible probe of neutrinoless double-beta decay nuclear matrix elements RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 124Sn, 128Te, 130Te, 136Xe, 150Nd(2β-); calculated neutrinoless nuclear matrix elements; deduced Majorana neutrino mass. LSSM, EDF, PHFB, IBM-2, QRPA nuclear models, comparison with available data.
doi: 10.1134/S1547477112030041
2012FA02 Phys.Rev. C 85, 035503 (2012) D.-L.Fang, K.Blaum, S.Eliseev, A.Faessler, M.I.Krivoruchenko, V.Rodin, F.Simkovic Evaluation of the resonance enhancement effect in neutrinoless double-electron capture in 152Gd, 164Er, and 180W atoms RADIOACTIVITY 152Gd, 164Er, 180W(2EC); calculated matrix elements and half-lives for neutrinoless double-electron capture. Deformed quasiparticle random-phase approximation using the realistic charge-dependent Bonn (CD-Bonn) nucleon-nucleon interaction. Comparison of half-life with that for neutrinoless 2β decay of 76Ge.
doi: 10.1103/PhysRevC.85.035503
2012FA15 J.Phys.(London) G39, 124006 (2012) A.Faessler, V.Rodin, F.Simkovic Nuclear matrix elements for neutrinoless double-beta decay and double-electron capture RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe(2β-); calculated averaged neutrinoless nuclear matrix elements, T1/2. QRPA, RQRPA methods.
doi: 10.1088/0954-3899/39/12/124006
2012FI01 Phys.Rev.Lett. 108, 062502 (2012) D.Fink, J.Barea, D.Beck, K.Blaum, Ch.Bohm, Ch.Borgmann, M.Breitenfeldt, F.Herfurth, A.Herlert, J.Kotila, M.Kowalska, S.Kreim, D.Lunney, S.Naimi, M.Rosenbusch, S.Schwarz, L.Schweikhard, F.Simkovic, J.Stanja, K.Zuber Q Value and Half-Lives for the Double-β-Decay Nuclide 110Pd RADIOACTIVITY 110Pd(2β-); measured resonance frequencies;deduced precise Q-value. Comparison with AME2003 atomic mass evaluation, phase-space factor calculations.
doi: 10.1103/PhysRevLett.108.062502
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
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
2012SI25 J.Phys.:Conf.Ser. 366, 012041 (2012) Massive Majorana neutrinos in nuclear processes
doi: 10.1088/1742-6596/366/1/012041
2012VE07 Rep.Prog.Phys. 75, 103601 (2012) J.D.Vergados, H.Ejiri, F.Simkovic Theory of neutrinoless double-beta decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 110Pd, 116Cd, 124Sn, 128,130Te, 136Xe, 150Nd(2β-); calculated nuclear matrix elements. Comparison with available data.
doi: 10.1088/0034-4885/75/10/106301
2011DV01 Phys.Rev. C 83, 045502 (2011) R.Dvornicky, K.Muto, F.Simkovic, A.Faessler Absolute mass of neutrinos and the first unique forbidden β decay of 187Re RADIOACTIVITY 187Re(β-); calculated end points of the Kurie plot of the electron spectrum from first-forbidden unique β decay of 187Re for various values of the effective neutrino mass. Relevance to planned MARE-I and MARE-II experiments.
doi: 10.1103/PhysRevC.83.045502
2011EL02 Phys.Rev.Lett. 106, 052504 (2011) S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, H.-J.Kluge, M.I.Krivoruchenko, Yu.N.Novikov, E.Minaya-Ramirez, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova Resonant Enhancement of Neutrinoless Double-Electron Capture in 152Gd ATOMIC MASSES 152Gd, 152Sm; measured cyclotron frequency ratio, TOF; deduced Q-value for double beta decay. Penning-trap mass ratio.
doi: 10.1103/PhysRevLett.106.052504
2011EL08 Phys.Rev.Lett. 107, 152501 (2011) S.Eliseev, C.Roux, K.Blaum, M.Block, C.Droese, F.Herfurth, M.Kretzschmar, M.I.Krivoruchenko, E.Minaya-Ramirez, Yu.N.Novikov, L.Schweikhard, V.M.Shabaev, F.Simkovic, I.I.Tupitsyn, K.Zuber, N.A.Zubova Octupolar-Excitation Penning-Trap Mass Spectrometry for Q-Value Measurement of Double-Electron Capture in 164Er ATOMIC MASSES 164Er, 164Dy; measured relative frequency deviations; deduced doublet mass ratio, Q-value. Penning trap.
doi: 10.1103/PhysRevLett.107.152501
2011FA02 Phys.Rev. C 83, 034320 (2011) D.Fang, A.Faessler, V.Rodin, F.Simkovic Neutrinoless double-β decay of deformed nuclei within quasiparticle random-phase approximation with a realistic interaction RADIOACTIVITY 76Ge, 150Nd, 160Gd(2β-); calculated nuclear matrix elements for neutrinoless double β decay using quasiparticle random-phase approximation with realistic residual interaction. Analyzed short-range correlations and the quenching of the axial vector coupling constant. 150Nd; probe of the Majorana neutrino mass.
doi: 10.1103/PhysRevC.83.034320
2011FR08 Nucl.Phys. A860, 1 (2011) D.Frekers, P.Puppe, J.H.Thies, P.P.Povinec, F.Simkovic, J.Stanicek, I.Sykora Double-electron capture of 74Se and the search for neutrinoless decay RADIOACTIVITY 74Se(2EC); measured Eγ, Iγ, γγ-coin; deduced T1/2 limit.
doi: 10.1016/j.nuclphysa.2011.05.002
2011FR15 Phys.Lett. B 706, 134 (2011) D.Frekers, H.Ejiri, H.Akimune, T.Adachi, B.Bilgier, B.A.Brown, B.T.Cleveland, H.Fujita, Y.Fujita, M.Fujiwara, E.Ganioglu, V.N.Gavrin, E.-W.Grewe, C.J.Guess, M.N.Harakeh, K.Hatanaka, R.Hodak, M.Holl, C.Iwamoto, N.T.Khai, H.C.Kozer, A.Lennarz, A.Okamoto, H.Okamura, P.P.Povinec, P.Puppe, F.Simkovic, G.Susoy, T.Suzuki, A.Tamii, J.H.Thies, J.Van de Walle, R.G.T.Zegers The 71Ga(3He, t) reaction and the low-energy neutrino response NUCLEAR REACTIONS 71Ga(3He, t), E=420 MeV; measured reaction products; deduced isobaric-analogue resonance yields, σ(θ), Gamow-Teller strength values. SAGE and GALLEX calibration implications.
doi: 10.1016/j.physletb.2011.10.061
2011KR07 Nucl.Phys. A859, 140 (2011) M.I.Krivoruchenko, F.Simkovic, D.Frekers, A.Faessler Resonance enhancement of neutrinoless double electron capture RADIOACTIVITY 96Ru, 106Cd, 124Xe, 136Ce, 152Gd, 156Dy, 154Er, 168Yb, 180W, 184Os, 190Pt(2β+); 78Kr, 96Ru, 106Cd, 112Sn, 130Ba, 162Er, 184Os(2EC); calculated T1/2 limits, nuclear matrix elements; deduced ν mass limits.
doi: 10.1016/j.nuclphysa.2011.04.009
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
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
2011SI02 Phys.Rev. C 83, 015502 (2011) F.Simkovic, R.Hodak, A.Faessler, P.Vogel Relation between the 0νββ and 2νββ nuclear matrix elements reexamined RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 136Xe(2β-); calculated Gamow-Teller part of the nuclear matrix elements for 0νββ decay mode using quasiparticle random-phase approximation (QRPA); deduced nuclear matrix elements for 2νββ decay mode from experimental data.
doi: 10.1103/PhysRevC.83.015502
2010ES06 J.Phys.(London) G37, 125108 (2010) A.Escuderos, A.Faessler, V.Rodin, F.Simkovic Contributions of different neutron pairs in different approaches for neutrinoless double-beta decay RADIOACTIVITY 48Ca, 76Ge, 82Se, 94,96Zr, 98,100Mo, 104Ru, 110Pd, 116Cd, 124Sn, 128,130Te, 136Xe, 150Nd, 154Sm(2β-); calculated the neutrinoless 2β-decay matrix elements. QRPA, shell, HFB, IBM models.
doi: 10.1088/0954-3899/37/12/125108
2010FA03 Phys.Rev. C 81, 037303 (2010) D.Fang, A.Faessler, V.Rodin, M.Saleh Yousef, F.Simkovic Running sums for 2νββ-decay matrix elements within the quasiparticle random-phase approximation with account for deformation RADIOACTIVITY 76Ge, 150Nd(2β-); calculated matrix elements (running sums) for 2-neutrino double β decay using deformation and p-p strength parameters in quasiparticle random-phase approximation (QRPA) approach.
doi: 10.1103/PhysRevC.81.037303
2010FA17 Phys.Rev. C 82, 051301 (2010) D.-L.Fang, A.Faessler, V.Rodin, F.Simkovic Neutrinoless double-β decay of 150Nd accounting for deformation NUCLEAR STRUCTURE 150Nd(2β-); calculated neutrinoless double-beta decay matrix elements while accounting for β2 deformation parameter. Microscopic calculation with quasiparticle random phase approximation (QRPA) approach and realistic residual interaction. Relevance for SNO+ collaboration and the best sensitivity for the Majorana neutrino mass measurement.
doi: 10.1103/PhysRevC.82.051301
2010MU01 Prog.Part.Nucl.Phys. 64, 228 (2010) K.Muto, R.Dvornicky, F.Simkovic Nuclear structure aspects of single and double beta decays for neutrino mass NUCLEAR STRUCTURE 187Re; calculated log ft.
doi: 10.1016/j.ppnp.2009.12.016
2010SI05 Prog.Part.Nucl.Phys. 64, 219 (2010) Double beta decay: A problem of particle, nuclear and atomic physics NUCLEAR STRUCTURE 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 136Xe, 150Nd, 162Er, 156Dy, 152Gd, 112Sn, 74Se; calculated 2β-decay T1/2, neutrinoless nuclear matrix elements.
doi: 10.1016/j.ppnp.2009.12.015
2009MO01 J.Phys.(London) G36, 015106 (2009) O.Moreno, R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, F.Simkovic, A.Faessler Single- and low-lying-states dominance in two-neutrino double-beta decay RADIOACTIVITY 100Mo, 116Cd, 128Te(2β-); calculated matrix elements, decay rates. Single, low lying state dominance.
doi: 10.1088/0954-3899/36/1/015106
2009SA04 Phys.Rev. C 79, 014314 (2009) M.Saleh Yousef, V.Rodin, A.Faessler, F.Simkovic Two-neutrino double β decay of deformed nuclei within the quasiparticle random-phase approximation with a realistic interaction RADIOACTIVITY 76Ge(2β-), 150Nd(2β-); calculated excitation energies, Gamow-Teller strength distributions. Quasiparticle random phase approximation.
doi: 10.1103/PhysRevC.79.014314
2009SI04 Phys.Rev. C 79, 015502 (2009) F.Simkovic, A.Faessler, P.Vogel 0νββ nuclear matrix elements and the occupancy of individual orbits RADIOACTIVITY 76Ge, 82Se(2β-); calculated matrix elements and occupancies of neutron and proton orbitals using self-consistent renormalized quasiparticle random phase approximation.
doi: 10.1103/PhysRevC.79.015502
2009SI11 Phys.Rev. C 79, 055501 (2009) F.Simkovic, A.Faessler, H.Muther, V.Rodin, M.Stauf 0ν ΒΒ-decay nuclear matrix elements with self-consistent short-range correlations RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128Te, 130Te, 136Xe(2β-); calculated nucleon wave function, ratio of neutrino potentials and nuclear matrix elements for neutrinoless double beta decay using renormalized quasiparticle random phase approximation (RQRPA) and standard QRPA methods.
doi: 10.1103/PhysRevC.79.055501
2008SI14 Phys.Rev. C 77, 045503 (2008) F.Simkovic, A.Faessler, V.Rodin, P.Vogel, J.Engel Anatomy of the 0νββ nuclear matrix elements RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe (2β-); calculated angular momenta, half-lives, neutrinoless double β decay matrix elements. Quasiparticle random phase approximation.
doi: 10.1103/PhysRevC.77.045503
2008SI18 Phys.Rev. C 77, 055502 (2008) F.Simkovic, R.Dvornicky, A.Faessler Exact relativistic tritium β-decay endpoint spectrum in a hadron model RADIOACTIVITY 3H(β-); calculated endpoint spectra. n(β-); systematics. Hadron model.
doi: 10.1103/PhysRevC.77.055502
2006AL08 Prog.Part.Nucl.Phys. 57, 251 (2006) R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, L.Pacearescu, A.Faessler, F.Simkovic Effect of deformation on two-neutrino double beta decay matrix elements NUCLEAR STRUCTURE 100Mo; calculated Gamow-Teller strength distributions, 2νββ-decay matrix elements, deformation effects.
doi: 10.1016/j.ppnp.2005.10.003
2006BE16 Prog.Part.Nucl.Phys. 57, 257 (2006) P.Benes, F.Simkovic, A.Faessler, W.A.Kaminski Neutrinoless double β-decay nuclear matrix elements within the SRQRPA RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); calculated 0νββ-decay matrix elements. Self-consistent renormalized quasiparticle RPA.
doi: 10.1016/j.ppnp.2005.11.020
2006BE40 Acta Phys.Pol. B37, 1927 (2006) P.Benes, A.Bobyk, W.A.Kaminski, A.Faessler, F.Simkovic Neutrinoless double β-decay nuclear matrix elements within QRPA and its variants RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); calculated 0νββ-decay matrix elements. Self-consistent renormalized quasiparticle RPA.
2006MO05 Int.J.Mod.Phys. E15, 659 (2006) Ch.C.Moustakidis, T.S.Kosmas, F.Simkovic, A.Faessler The effects of deformation and pairing correlations on nuclear charge form factor NUCLEAR STRUCTURE 24,26Mg, 28Si, 32S; calculated charge form factors, quadrupole moments, deformation, pairing correlations.
doi: 10.1142/S0218301306004570
2006RO04 Nucl.Phys. A766, 107 (2006); Erratum Nucl.Phys. A793, 213 (2007) V.A.Rodin, A.Faessler, F.Simkovic, P.Vogel Assessment of uncertainties in QRPA 0νββ-decay nuclear matrix elements NUCLEAR STRUCTURE 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd; calculated 0ν-accompanied 2β-decay matrix elements. Quasiparticle RPA and renormalized quasiparticle RPA.
doi: 10.1016/j.nuclphysa.2005.12.004
2006RO25 Czech.J.Phys. 56, 495 (2006) V.Rodin, A.Faessler, F.Simkovic, P.Vogel Uncertainties in the 0νββ-decay nuclear matrix elements RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe(2β-); analyzed 0νββ-decay matrix elements, uncertainties. Quasiparticle RPA, renormalized quasiparticle RPA.
doi: 10.1007/s10582-006-0113-7
2006SI12 Prog.Part.Nucl.Phys. 57, 185 (2006) Double beta decay, nuclear structure and physics beyond the standard model RADIOACTIVITY 48Ca, 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); analyzed 0νββ- and 2νββ-decay T1/2, nuclear matrix elements, neutrino mass limits.
doi: 10.1016/j.ppnp.2006.01.004
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
2005AR27 Phys.Rev.Lett. 95, 182302 (2005) R.Arnold, C.Augier, J.Baker, A.Barabash, G.Broudin, V.Brudanin, A.J.Caffrey, E.Caurier, V.Egorov, K.Errahmane, A.I.Etienvre, J.L.Guyonnet, F.Hubert, Ph.Hubert, C.Jollet, S.Jullian, O.Kochetov, V.Kovalenko, S.Konovalov, D.Lalanne, F.Leccia, C.Longuemare, G.Lutter, Ch.Marquet, F.Mauger, F.Nowacki, H.Ohsumi, F.Piquemal, J.L.Reyss, R.Saakyan, X.Sarazin, L.Simard, F.Simkovic, Yu.Shitov, A.Smolnikov, L.Stekl, J.Suhonen, C.S.Sutton, G.Szklarz, J.Thomas, V.Timkin, V.Tretyak, V.Umatov, L.Vala, I.Vanushin, V.Vasilyev, V.Vorobel, Ts.Vylov First Results of the Search for Neutrinoless Double-Beta Decay with the NEMO 3 Detector RADIOACTIVITY 82Se, 100Mo(2β-); measured 2νββ-decay T1/2, 0νββ-decay T1/2 lower limits; deduced neutrino mass limits.
doi: 10.1103/PhysRevLett.95.182302
2005BE29 Phys.Rev. D 71, 077901 (2005) P.Benes, A.Faessler, S.Kovalenko, F.Simkovic Sterile neutrinos in neutrinoless double beta decay
doi: 10.1103/PhysRevD.71.077901
2005BE55 Fiz.Elem.Chastits At.Yadra 36, 257 (2005); Physics of Part.and Nuclei 36, 131 (2005) Nuclear Spin Structure in the Search for Dark Matter: The Zero-Momentum-Transfer Limit NUCLEAR STRUCTURE 1H, 3He, 7Li, 9Be, 11B, 13C, 15N, 17O, 19F, 21Ne, 23Na, 25Mg, 27Al, 29Si, 35Cl, 39K, 47,49Ti, 51V, 55Mn, 59Co, 67Zn, 69,71Ga, 73Ge, 73As, 79,81Br, 91Zr, 93Nb, 99,101Ru, 107,109Ag, 111,113,115Cd, 115,117Sn, 121,123Sb, 123,125Te, 125,127I, 129,131,133Xe, 133,135Cs, 135Ba, 137,139La, 155,157Gd, 183W, 191Ir, 199,201Hg, 203,205Tl, 207Pb, 209Bi; calculated neutron and proton total spin excitation values. Several models compared, application to dark-matter search discussed.
2005BI21 Phys.Rev. D 72, 053015 (2005) S.M.Bilenky, A.Faessler, T.Gutsche, F.Simkovic Neutrinoless double beta-decay and neutrino mass hierarchies RADIOACTIVITY 76Ge, 82Se, 100Mo, 116Cd, 130Te, 136Xe(2β-); calculated 0νββ-decay T1/2, neutrino mass dependence.
doi: 10.1103/PhysRevD.72.053015
2005DO07 Nucl.Phys. A753, 337 (2005) P.Domin, S.Kovalenko, F.Simkovic, S.V.Semenov Neutrino accompanied β±β±, β+/EC and EC/EC processes within single state dominance hypothesis RADIOACTIVITY 70Zn, 80Se, 100Mo, 104Ru, 110Pd, 114,116Cd, 128Te(2β-); 78Kr, 106Cd, 130Ba(2β+); 64Zn, 78Kr, 106Cd, 112Sn, 130Ba(β+EC); 64Zn, 78Kr, 106,108Cd, 112Sn, 130Ba(2EC); calculated 2νββ-decay T1/2. Single state dominance hypothesis, comparison with data.
doi: 10.1016/j.nuclphysa.2005.03.003
2004AL36 Phys.Rev. C 70, 064309 (2004) R.Alvarez-Rodriguez, P.Sarriguren, E.Moya de Guerra, L.Pacearescu, A.Faessler, F.Simkovic Deformed quasiparticle random phase approximation formalism for single- and two-neutrino double β decay NUCLEAR STRUCTURE 48Ca, 48Ti, 76Ge, 76,82Se, 82Kr, 96Zr, 96,100Mo, 100Ru, 116Cd, 116Sn, 128,130Te, 128,130,136Xe, 136Ba, 150Nd, 150Sm; calculated pairing energies, deformation, Gamow-Teller strength distributions, 2β-decay matrix elements and Q-values. Deformed quasiparticle RPA approach.
doi: 10.1103/PhysRevC.70.064309
2004DO18 Phys.Rev. C 70, 065501 (2004) P.Domin, S.Kovalenko, A.Faessler, F.Simkovic Nuclear (μ-, e+) conversion mediated by Majorana neutrinos NUCLEAR REACTIONS 48Ti(μ-, e+), E not given; calculated matrix elements, conversion rates.
doi: 10.1103/PhysRevC.70.065501
2004FA12 Phys.Lett. B 590, 57 (2004) A.Faessler, Th.Gutsche, S.Kovalenko, V.E.Lyubovitskij, I.Schmidt, F.Simkovic Vector mesons in nuclear μ- - e- conversion NUCLEAR REACTIONS 48Ti(μ-, e-), E=low; analyzed muon-electron conversion data; deduced lepton flavor violation parameter limits.
doi: 10.1016/j.physletb.2004.03.068
2004PA25 Yad.Fiz. 67, 1232 (2004); Phys.Atomic Nuclei 67, 1210 (2004) L.Pacearescu, A.Faessler, F.Simkovic Nuclear Deformation and the Double-Beta Decay RADIOACTIVITY 76Ge(2β-); calculated 2ν-accompanied 2β decay matrix elements, T1/2. Comparison with data.
doi: 10.1134/1.1772462
2004SI07 Nucl.Phys. A733, 321 (2004) F.Simkovic, L.Pacearescu, A.Faessler Two-neutrino double beta decay of 76Ge within deformed QRPA RADIOACTIVITY 76Ge(2β-); calculated 2ν-accompanied 2β decay matrix elements, transition amplitudes, deformation effects. Deformed quasiparticle RPA.
doi: 10.1016/j.nuclphysa.2004.01.002
2003PA53 Phys.Rev. C 68, 064310 (2003); Erratum Phys.Rev. C 75, 059902 (2007) L.Pacearescu, V.Rodin, F.Simkovic, A.Faessler Two-neutrino double β decay within fully renormalized quasiparticle random-phase approximation: Effect of the restoration of the Ikeda sum rule NUCLEAR STRUCTURE 76Ge, 82Se, 100Mo, 116Cd, 128Te, 130Xe; calculated matrix elements for 2ν-accompanied 2β-decay, effect of sum rule. Fully renormalized quasiparticle RPA.
doi: 10.1103/PhysRevC.68.064310
2003RO18 Phys.Rev. C 68, 044302 (2003) V.A.Rodin, A.Faessler, F.Simkovic, P.Vogel Uncertainty in one 0νββ decay nuclear matrix elements NUCLEAR STRUCTURE 76Ge, 100Mo, 130Te, 136Xe; calculated 0ν-accompanied 2β-decay matrix elements. Renormalized quasiparticle RPA.
doi: 10.1103/PhysRevC.68.044302
2003SA15 Phys.Rev. C 67, 044313 (2003) P.Sarriguren, E.Moya de Guerra, L.Pacearescu, A.Faessler, F.Simkovic, A.A.Raduta Gamow-Teller strength distributions in 76Ge and 76Se from deformed quasiparticle random-phase approximation NUCLEAR STRUCTURE 76Ge, 76Se; calculated radii, quadrupole deformations, Gamow-Teller strength distributions. Deformed quasiparticle RPA, self-consistent and phenomenological approaches, comparison with data. Application to double beta decay discussed.
doi: 10.1103/PhysRevC.67.044313
2003SI09 Phys.Rev. C 68, 014309 (2003) F.Simkovic, M.Smotlak, G.Pantis Quasiparticle random phase approximation with a nonlinear phonon operator
doi: 10.1103/PhysRevC.68.014309
2003SI20 Phys.Rev. C 68, 054319 (2003) F.Simkovic, Ch.C.Moustakidis, L.Pacearescu, A.Faessler Proton-neutron pairing in the deformed BCS approach NUCLEAR STRUCTURE 64,66,68,70,72,74,76Ge; calculated neutron proton pair gaps, interaction energy, related features. Deformed BCS approach.
doi: 10.1103/PhysRevC.68.054319
2002BO24 Czech.J.Phys. 52, 615 (2002) A.Bobyk, W.A.Kaminski, M.Gozdz, P.Zareba, F.Simkovic Self-Consistent Renormalized Quasiparticle Random Phase Approximation and Its Application to 2νββ and 0νββ Decays RADIOACTIVITY 104Ru, 110Pd, 128,130Te, 134,136Xe, 142Ce, 146,148,150Nd(2β-); calculated Gamow-Teller matrix elements. Self-consistent renormalized quasiparticle RPA.
doi: 10.1023/A:1015381915629
2002DO07 Czech.J.Phys. 52, 451 (2002) P.Domin, F.Simkovic, S.V.Semenov, Yu.V.Gaponov Phenomenological Study of Solar-Neutrino-Induced ββ Process of 100Mo NUCLEAR REACTIONS 100Mo(ν, X), E < 20 MeV; calculated neutrino-induced 2β-decay rates, related features.
doi: 10.1023/A:1015344907452
2002PA28 Czech.J.Phys. 52, 629 (2002) G.Pantis, M.Smotlak, F.Simkovic A Schematic Calculation of the ββ-Decay Matrix Element within the Green Function Approach
doi: 10.1023/A:1015334032468
2002SE11 Yad.Fiz. 65, 2247 (2002); Phy.Atomic Nuclei 65, 2184 (2002) S.V.Semenov, Yu.V.Gaponov, F.Simkovic, P.Domin Analysis of Solar-Neutrino-Induced ββ Processes for Several Nuclei NUCLEAR REACTIONS 18O, 112,114,116Cd(ν, X), (ν, 2e), E=spectrum; calculated solar neutrino absorption rates, 2β production rates.
doi: 10.1134/1.1530298
2002SI12 Czech.J.Phys. 52, 607 (2002) Neutrinoless Double-Beta Decay to Excited 0+ States Mediated by Light Majorana Neutrinos RADIOACTIVITY 76Ge, 82Se, 100Mo, 136Xe(2β-); calculated 0ν-accompanied 2β-decay T1/2 for decay to ground, excited 0+ states.
doi: 10.1023/A:1015329931559
2002SI15 Prog.Part.Nucl.Phys. 48, 201 (2002) Distinguishing the 0νββ-Decay Mechanisms RADIOACTIVITY 76Ge, 82Se, 100Mo, 136Xe(2β-); calculated 0ν-accompanied 2β-decay suppression ratios for decay to excited state.
doi: 10.1016/S0146-6410(02)00125-4
2002SI22 Phys.Rev. D66, 033005 (2002) F.Simkovic, A.Faessler, S.Kovalenko, I.Schmidt (μ-, μ+) conversion in nuclei as a probe of new physics NUCLEAR REACTIONS 44Ti(μ-, μ+), E not given; calculated matrix elements, reaction rate. Lepton-number violation, comparison with neutrinoless two-beta decay.
doi: 10.1103/PhysRevD.66.033005
2002SI23 Phys.Lett. 544B, 121 (2002) F.Simkovic, V.E.Lyubovitskij, T.Gutsche, A.Faessler, S.Kovalenko New aspects of muon-electron nuclear conversion NUCLEAR REACTIONS 27Al, 48Ti, 197Au(μ-, e-), E not given; calculated matrix elements for muon-electron conversion, tree-level contribution from neutrino exchange.
doi: 10.1016/S0370-2693(02)02466-8
2002SM08 Czech.J.Phys. 52, 521 (2002) M.Smotlak, F.Simkovic, A.A.Raduta Looking for an Optimal Ground State within Quasiparticle Random Phase Approximation
doi: 10.1023/A:1015309327016
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
2001BO17 Phys.Rev. C63, 051301 (2001) A.Bobyk, W.A.Kaminski, F.Simkovic Neutrinoless Double β Decay within the Self-Consistent Renormalized Quasiparticle Random Phase Approximation and Inclusion of Induced Nucleon Currents NUCLEAR STRUCTURE 76Ge; calculated matrix elements for 0ν-accompanied 2β-decay. Self-consistent renormalized quasiparticle RPA. RADIOACTIVITY 76Ge(2β); calculated matrix elements for 0ν-accompanied 2β-decay. Self-consistent renormalized quasiparticle RPA.
doi: 10.1103/PhysRevC.63.051301
2001FA10 Prog.Part.Nucl.Phys. 46, 233 (2001) Nuclear Structure and the Double Beta Decay RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); analyzed neutrinoless 2β-decay T1/2 limits, related parameters, symmetry-violating features.
doi: 10.1016/S0146-6410(01)00129-6
2001RA40 J.Phys.(London) G27, 2429 (2001) A.A.Raduta, O.Haug, F.Simkovic, A.Faessler New Results for 2νββ Decay with Large Particle-Particle Two-Body Proton-Neutron Interaction
doi: 10.1088/0954-3899/27/12/306
2001SE17 Part. and Nucl., Lett. 109, 26 (2001) S.V.Semenov, F.Simkovic, P.Domin The Single State Dominance in 2νββ-Decay Transitions to Excited 0+ and 2+ Final State RADIOACTIVITY 110Pd, 114,116Cd, 128Te(2β-); calculated 2ν-accompanied 2β-decay T1/2. Single state dominance hypothesis.
2001SI31 J.Phys.(London) G27, 1757 (2001) F.Simkovic, M.Smotlak, A.A.Raduta Quasiparticle Random-Phase Approximation with an Optimal Ground State
doi: 10.1088/0954-3899/27/8/305
2001SI33 Phys.Rev. C64, 035501 (2001) F.Simkovic, M.Nowak, W.A.Kaminski, A.A.Raduta, A.Faessler Neutrinoless Double Beta Decay of 76Ge, 82Se, 100Mo, and 136Xe to Excited 0+ States RADIOACTIVITY 76Ge, 82Se, 100Mo, 136Xe(2β-); calculated T1/2 for neutrinoless 2β-decay to ground and excited 0+ states.
doi: 10.1103/PhysRevC.64.035501
2001SI37 Part. and Nucl., Lett. 104, 40 (2001) F.Simkovic, P.Domin, S.G.Kovalenko, A.Faessler The (μ-, e+) Conversion in Nuclei Mediated by Light Majorana Neutrinos NUCLEAR REACTIONS 48Ti(μ-, e+), E not given; calculated matrix elements. Light Majorana neutrino exchange mechanism.
2001SI42 J.Phys.(London) G27, 2233 (2001) F.Simkovic, P.Domin, S.V.Semenov The Single State Dominance Hypothesis and the Two-Neutrino Double Beta Decay of 100Mo RADIOACTIVITY 100Mo(2β-); calculated 2ν-accompanied 2β-decay T1/2 for transitions to ground and excited states. Single state dominance hypothesis. Comparisons with data.
doi: 10.1088/0954-3899/27/11/304
2000FA14 Yad.Fiz. 63, No 7, 1240 (2000); Phys.Atomic Nuclei 63, 1165 (2000) Test of Physics Beyond the Standard Model in Nuclei RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β-); analyzed 0ν accompanied 2β decay T1/2, related parameters.
doi: 10.1134/1.855762
2000PA25 Nucl.Phys. A663-664, 825c (2000) Higher Order Terms of the Nucleon Current in the Neutrino Mass Mechanism of Neutrinoless Double Beta Decay RADIOACTIVITY 76Ge, 82Se, 96Zr, 100Mo, 116Cd, 128,130Te, 136Xe, 150Nd(2β); calculated oν-accompanied 2β-decay nuclear matrix elements; deduced limits on lepton number violating parameters.
doi: 10.1016/S0375-9474(99)00778-2
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