NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = K.Rytkonen Found 8 matches. 2022GU09 Phys.Rev. C 106, 014306 (2022) V.Guadilla, L.Le Meur, M.Fallot, J.A.Briz, M.Estienne, L.Giot, A.Porta, A.Cucoanes, T.Shiba, A.-A.Zakari-Issoufou, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, I.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, A.A.Sonzogni Total absorption γ-ray spectroscopy of the β decays of 96gs, mY RADIOACTIVITY 96,96mY(β-)[from U(p, F), followed by separation of fragments using IGISOL-JYFLTRAP double Penning trap system]; measured Eγ, Iγ, total absorption γ-spectrum (TAGS), βγ-coin using 18 NaI(Tl) crystals and a thin plastic β detector, fission products 96Sr, 96Y and 96mY, conversion electrons from the E0 g.s. transition from the 0+ excited state in 96Zr; deduced electron spectrum from a Monte Carlo simulation, experimental module-multiplicity-gated TAGS spectra, β-feedings to the g.s. and excited levels in 96Zr listed in the Supplemental Material of the paper, average γ , β, and conversion electron energies. Comparison with β feedings in the 96Y and 96mY decay datasets in the ENSDF database. Comparison of average γ , β, and conversion electron energies with those in the ENDF/B-VII.1 and JEFF-3.3 databases. 235U; deduced reactor antineutrino spectrum. 96mY; deduced as a major contributor to reactor decay heat in uranium-plutonium and thorium-uranium fuels around 10 s after fission pulses from reactor summation calculations.
doi: 10.1103/PhysRevC.106.014306
2020GU26 Phys.Rev. C 102, 064304 (2020) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.A.Briz, A.Cucoanes, M.Estienne, M.Fallot, L.Le Meur, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez, E.Nacher, A.A.Sonzogni Determination of β-decay ground state feeding of nuclei of importance for reactor applications RADIOACTIVITY 95Rb, 100,102mNb, 100,103Tc, 137I, 140Cs(β-); measured total absorption gamma spectra (TAGS) and 4πγ-β-coin using 18-fold segmented NaI(Tl) Decay Total Absorption γ-ray Spectrometer (DTAS), and a thick plastic scintillation detector for β radiation at the Ion Guide Isotope Separator On-Line (IGISOL) IV facility of the University of Jyvaskyla; deduced β- feeding to the ground states of daughter nuclei from TAGS as well as 4πγ-β-coin methods, and compared with evaluated data in the ENSDF database, and contribution to the reactor antineutrino spectra of 235U and 239Pu at different energies using the Nantes summation method. 87,88Br, 94Rb(β-); previously measured TAGS data used to standardize analysis procedures and determine various correction factors.
doi: 10.1103/PhysRevC.102.064304
2019GU03 Phys.Rev.Lett. 122, 042502 (2019) V.Guadilla, A.Algora, J.L.Tain, M.Estienne, M.Fallot, A.A.Sonzogni, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Large Impact of the Decay of Niobium Isomers on the Reactor ν-bare Summation Calculations RADIOACTIVITY 100,102Nb(β-); measured decay products, Eγ, Iγ. 239,241Pu, 235,238U; deduced β-intensity distributions, potential impact on reactor antineutrino spectra as a function of energy.
doi: 10.1103/PhysRevLett.122.042502
2019GU20 Phys.Rev. C 100, 024311 (2019) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, L.Le Meur, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, P.Sarriguren, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Total absorption γ-ray spectroscopy of niobium isomers RADIOACTIVITY 100,100m,102,102mNb, 100,102Zr, 103Tc(β-)[from U(p, F), E=25 MeV at the IGISOL facility and JYFLTRAP double Penning trap system at the university of Jyvaskyla]; measured Eγ, Iγ, Eβ, βγ-coin, total absorption γ spectrum using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced average γ and β energies, impact on antineutrino spectrum summation calculations. Comparison with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1 databases. 100,100mNb, 102Nb(β-); deduced absolute γ-intensities deexciting the main levels in 100,102Mo, and compared to data in the ENSDF database.
doi: 10.1103/PhysRevC.100.024311
2019GU29 Phys.Rev. C 100, 044305 (2019) V.Guadilla, J.L.Tain, A.Algora, J.Agramunt, D.Jordan, M.Monserrate, A.Montaner-Piza, E.Nacher, S.E.A.Orrigo, B.Rubio, E.Valencia, M.Estienne, M.Fallot, L.Le Meur, J.A.Briz, A.Cucoanes, A.Porta, T.Shiba, A.-A.Zakari-Issoufou, A.A.Sonzogni, J.Aysto, T.Eronen, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.S.Kolhinen, J.Koponen, I.D.Moore, H.Penttila, I.Pohjalainen, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, V.Sonnenschein, A.Voss, L.M.Fraile, V.Vedia, E.Ganioglu, W.Gelletly, M.Lebois, J.N.Wilson, T.Martinez Total absorption γ-ray spectroscopy of the β-delayed neutron emitters 137I and 95Rb RADIOACTIVITY 95Rb, 137I(β-), (β-n)[from U(p, X), E=25 MeV, and separated using IGISOL separator and JYFL trap at Jyvaskyla]; measured Eγ, Iγ, total-absorption γ (TAGS) spectra, β-gated TAGS spectra using Decay Total Absorption γ-ray Spectrometer (DTAS) with 18 NaI(Tl) crystals, a plastic β detector and an HPGe detector; deduced β-intensity distributions, absolute γ intensities per 100 decays for the main levels populated in daughter nuclei, integral Iβγ or Pγ values above S(n), competition of γ and neutron emissions above S(n) and compared with Hauser-Feshbach calculations, average γ and β energies; evaluated impact of the present results on reactor antineutrino summation calculations. Comparison with previous experimental data, and with evaluated data in ENSDF, ENDF/B-VII.1 and JEFF-3.1.1.
doi: 10.1103/PhysRevC.100.044305
2017GU07 Acta Phys.Pol. B48, 529 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.E.A.Orrigo, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Study of the β Decay of Fission Products with the DTAS Detector RADIOACTIVITY 103Mo, 103Tc(β-)[from U(p, f) reaction]; measured β-decay of both nuclei using DTAS (segmented Decay Total Absorption Gamma-Ray Spectrometer) detector;deduced mean γ-decay and β-decay energy, new β intensity (at high-energy end) not detected in previous measurements with Ge detectors. Mean energies compared with ENSDF.
doi: 10.5506/APhysPolB.48.529
2017GU17 Phys.Rev. C 96, 014319 (2017) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, D.Jordan, A.Montaner-Piza, S.E.A.Orrigo, B.Rubio, E.Valencia, J.Suhonen, O.Civitarese, J.Aysto, J.A.Briz, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, I.Moore, E.Nacher, H.Penttila, I.Pohjalainen, A.Porta, J.Reinikainen, M.Reponen, S.Rinta-Antila, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou Experimental study of 100Tc β decay with total absorption γ-ray spectroscopy RADIOACTIVITY 100Tc(β-)[from 100Mo(p, n), E=8 MeV]; measured Eγ, Iγ, β spectrum using a vase-shaped plastic scintillator, βγ-coin, total absorption TAGS γ spectra using Decay Total Absorption γ-ray Spectrometer (DTAS), IGISOL-IV mass separator and JYFLTRAP Penning trap at the University of Jyvaskyla cyclotron facility; deduced β-intensity distribution extracted from the TAGS analysis, β feedings to g.s. and excited states of 100Ru, logft. Comparison with high-resolution decay data in the ENSDF database at NNDC-BNL, and with quasiparticle random-phase approximation calculations. Benchmark for calculations of the double β decay of 100Mo.
doi: 10.1103/PhysRevC.96.014319
2016GU22 Nucl.Instrum.Methods Phys.Res. B376, 334 (2016) V.Guadilla, A.Algora, J.L.Tain, J.Agramunt, J.Aysto, J.A.Briz, D.Cano-Ott, A.Cucoanes, T.Eronen, M.Estienne, M.Fallot, L.M.Fraile, E.Ganioglu, W.Gelletly, D.Gorelov, J.Hakala, A.Jokinen, D.Jordan, A.Kankainen, V.Kolhinen, J.Koponen, M.Lebois, T.Martinez, M.Monserrate, A.Montaner-Piza, I.Moore, E.Nacher, S.Orrigo, H.Penttila, Zs.Podolyak, I.Pohjalainen, A.Porta, P.Regan, J.Reinikainen, M.Reponen, S.Rinta-Antila, B.Rubio, K.Rytkonen, T.Shiba, V.Sonnenschein, A.A.Sonzogni, E.Valencia, V.Vedia, A.Voss, J.N.Wilson, A.-A.Zakari-Issoufou First experiment with the NUSTAR/FAIR Decay Total Absorption γ-Ray Spectrometer (DTAS) at the IGISOL IV facility RADIOACTIVITY 137I(β-n); measured decay products, Eγ, Iγ, Eβ, Iβ; deduced mean β- and γ-ray energies, branching ratios. Comparison with ENSDF library.
doi: 10.1016/j.nimb.2015.12.018
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