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NSR database version of April 27, 2024.

Search: Author = R.Dvornicky

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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
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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
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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
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2019GA11      Phys.Rev.Lett. 122, 192501 (2019)

A.Gando, Y.Gando, T.Hachiya, M.Ha Minh, S.Hayashida, Y.Honda, K.Hosokawa, H.Ikeda, K.Inoue, K.Ishidoshiro, Y.Kamei, K.Kamizawa, T.Kinoshita, M.Koga, S.Matsuda, T.Mitsui, K.Nakamura, A.Ono, N.Ota, S.Otsuka, H.Ozaki, Y.Shibukawa, I.Shimizu, Y.Shirahata, J.Shirai, T.Sato, K.Soma, A.Suzuki, A.Takeuchi, K.Tamae, K.Ueshima, H.Watanabe, D.Chernyak, A.Kozlov, S.Obara, S.Yoshida, Y.Takemoto, S.Umehara, K.Fushimi, S.Hirata, B.E.Berger, B.K.Fujikawa, J.G.Learned, J.Maricic, L.A.Winslow, Y.Efremenko, H.J.Karwowski, D.M.Markoff, W.Tornow, T.O'Donnell, J.A.Detwiler, S.Enomoto, M.P.Decowski, J.Menendez, R.Dvornicky, F.Simkovic

Precision Analysis of the ¹³⁶Xe Two-Neutrino ββ Spectrum in KamLAND-Zen and Its Impact on the Quenching of Nuclear Matrix Elements

RADIOACTIVITY ¹³⁶Xe(2β^-); measured decay products, Eβ, Iβ; deduced nuclear matrix elements.

doi: 10.1103/PhysRevLett.122.192501
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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 g_A for ¹⁰⁰Mo and ¹¹⁶Cd.

doi: 10.1103/PhysRevC.97.034315
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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 s_1/2 and p_1/2 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
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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
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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
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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
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