NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = M.Wellenzohn Found 10 matches. 2021IV03 Phys.Rev. C 104, 025503 (2021) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Structure of the correlation coefficients S(Ee) and U(Ee) of the neutron β decay RADIOACTIVITY 1n(β-); calculated electron-energy and angular distribution of neutron β decay for polarized neutrons, polarized electrons, and unpolarized protons, electron-photon energy and angular distribution of neutron radiative β decay for polarized neutrons, polarized electrons, and unpolarized protons and photons; deduced structure of the correlation coefficients for low-energy weak interactions in the standard model (SM).
doi: 10.1103/PhysRevC.104.025503
2020IV01 Nucl.Phys. B951, 114891 (2020) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Precision analysis of pseudoscalar interactions in neutron beta decays RADIOACTIVITY 1NN(β-); analyzed available data; deduced the real and imaginary parts of the effective coupling constant.
doi: 10.1016/j.nuclphysb.2019.114891
2019IV01 Nucl.Phys. B938, 114 (2019) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Neutron dark matter decays and correlation coefficients of neutron β--decays RADIOACTIVITY 1NN(β-); analyzed available data; deduced correlation coefficients of the neutron β-decays with polarized neutron, taking into account the contributions of scalar and tensor interactions beyond the SM with the Fierz interference, axial coupling constant, T1/2.
doi: 10.1016/j.nuclphysb.2018.11.005
2018IV07 Phys.Rev. C 98, 035503 (2018) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Tests of the standard model in neutron β decay with a polarized neutron and electron and an unpolarized proton RADIOACTIVITY 1n(β-); calculated scalar and tensor coupling constants of interactions in and beyond the Standard Model, and their contribution to half-life and the correlation coefficients of β- energy and angular distribution, with polarized neutron and electron, and unpolarized proton, asymmetry of neutron-electron spin-spin correlations. Contributions of the G-odd correlations or those of the second-class hadronic currents. Relevance to precise analysis of neutron half-life.
doi: 10.1103/PhysRevC.98.035503
2017IV02 Phys.Rev. D 95, 033007 (2017) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Precision theoretical analysis of neutron radiative beta decay RADIOACTIVITY 1NN(β-); calculated he rate and branching ratio of the neutron radiative β-decay with one real photon emission by taking into account the contributions of the weak magnetism and proton recoil. Comparison with available data.
doi: 10.1103/PhysRevD.95.033007
2017IV05 Phys.Rev. C 95, 055502 (2017); Erratum Phys.Rev. C 104, 069901 (2021) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov Precision analysis of electron energy spectrum and angular distribution of neutron β- decay with polarized neutron and electron RADIOACTIVITY 1n(β-); calculated correlation coefficients of the electron energy spectrum, and angular distribution of the β- decay of the neutron with polarized neutron and electron within the standard model (SM) with V-A weak interactions with contributions of weak magnetism and proton recoil to next-to-leading order.
doi: 10.1103/PhysRevC.95.055502
2014IV04 Phys.Rev. C 90, 034620 (2014) A.N.Ivanov, R.S.Hayano, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, Ya.A.Berdnikov β-decay rates of bare 108Ag47+ and H-like 108Ag46+ ions RADIOACTIVITY 108Ag(β-), (EC); calculated decay rates of the continuum-state, bound-state, and EC-decay rates for bare 108Ag47+ and H-like 108Ag46+ ions using standard theory of weak interactions of heavy ions. Comparison with experimental decay rates of neutral 108Ag atoms.
doi: 10.1103/PhysRevC.90.034620
2014IV07 Phys.Rev. C 90, 064608 (2014); Pub.Note Phys.Rev. C 90, 069902 (2014) A.N.Ivanov, R.Hollwieser, M.Wellenzohn, N.I.Troitskaya, Ya.A.Berdnikov Internal bremsstrahlung of β decay of atomic 3516S RADIOACTIVITY 35S(β-); calculated energy spectra and the branching ratio of the internal bremsstrahlung (IB) by extending the classical electrodynamical analysis of the nuclear β decays to the quantum electrodynamical one. Comparison with experimental data.
doi: 10.1103/PhysRevC.90.064608
2013IV08 Phys.Rev. C 88, 055501 (2013) A.N.Ivanov, R.Hollwieser, N.I.Troitskaya, M.Wellenzohn, O.M.Zherebtsov, A.P.Serebrov Deficit of reactor antineutrinos at distances smaller than 100 m and inverse β decay NUCLEAR REACTIONS 1H(ν, ne+), E=2-8 MeV; calculated deficit of anti-neutrino flux at distances <100 m from reactor for neutron mean lifetimes of 885.7 s to 879.6 s, and axial coupling constants of -1.2694 and -1.2750, angular distribution, cross section for inverse β decay, radiative correction to order α/π AP 10-3. RADIOACTIVITY 1n(β-); calculated antineutrino-energy spectrum to order α/π AP 10-3 including contributions of weak magnetism and proton recoil.
doi: 10.1103/PhysRevC.88.055501
2009FA10 Phys.Rev. C 80, 035503 (2009) M.Faber, A.N.Ivanov, V.A.Ivanova, J.Marton, M.Pitschmann, A.P.Serebrov, N.I.Troitskaya, M.Wellenzohn Continuum-state and bound-state β+-decay rates of the neutron RADIOACTIVITY 1n(β-); calculated decay rates, the electron energy spectrum for the continuum-state decay mode, angular distributions of the decay probabilities for the continuum-state and bound-state decay modes, and the dependence of the CKM matrix element on the lifetime of the neutron and the axial coupling constant gA. Comparison of calculated correlation coefficients of the energy spectrum of the continuum-state β decay with experimental data.
doi: 10.1103/PhysRevC.80.035503
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