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NSR database version of April 11, 2024.

Search: Author = R.Hollwieser

Found 9 matches.

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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
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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
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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
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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
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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
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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
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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
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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
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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
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