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NSR database version of April 27, 2024.

Search: Author = J.Ronkainen

Found 8 matches.

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2013JO02      Phys.Rev. C 87, 044318 (2013)

D.Jordan, A.Algora, J.L.Tain, B.Rubio, J.Agramunt, A.B.Perez-Cerdan, F.Molina, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, I.D.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, U.Hager, S.Rinta-Antila, T.Sonoda, K.Burkard, W.Huller, L.Batist, W.Gelletly, A.L.Nichols, T.Yoshida, A.A.Sonzogni, K.Perajarvi, A.Petrovici, K.W.Schmid, A.Faessler

Total absorption study of the β decay of ^{102, 104, 105}Tc

RADIOACTIVITY ^102,104,105Tc(β^-)[from U(p, F), E=30, 50 MeV followed by mass separation]; measured Eγ, Iγ using the Total Absorption Gamma Spectrometer (TAGS) and JYFLTRAP Penning trap at IGISOL, Jyvaskyla facility; deduced β feedings to levels in ^102,104,105Ru, β-strength distributions, Gamow-Teller strengths, average β and γ energies, effects on decay heat calculations. Comparison of deduced β feedings with those from high-resolution γ-ray measurements. Comparison of Gamow-Teller strengths with VAMPIR model calculations. Relevance to decay heat calculations in nuclear reactors.

NUCLEAR REACTIONS U(p, F)¹⁰²Mo/¹⁰²Tc/¹⁰²Ru/¹⁰⁴Tc/¹⁰⁵Nb/ ¹⁰⁵Mo/¹⁰⁵Tc/¹⁰⁵Ru, E=30, 50 MeV; measured yields using JYFLRTRAP Penning trap at IGISOL, Jyvaskyla facility.

doi: 10.1103/PhysRevC.87.044318
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2011AL21      J.Korean Phys.Soc. 59, 1479s (2011)

A.Algora, D.Jordan, J.L.Tain, B.Rubio, J.Agramunt, L.Caballero, E.Nacher, A.B.Perez-Cerdan, F.Molina, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, S.Rinta-Antila, I.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, U.Hager, T.Sonoda, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, K.Burkard, W.Huller, L.Batist, W.Gelletly, T.Yoshida, A.L.Nichols, A.Sonzogni, K.Perajarvi

Improvements on Decay Heat Summation Calculations by Means of Total Absorption Gamma-ray Spectroscopy Measurements

RADIOACTIVITY ¹⁰¹Nb, ^101,105Mo, ^{102,104,105,106,107}Tc(β^-)[from U(p, F), E=30-50 MeV]; measured decay products using TAGS (Total Absorption Gamma Spectrometer) with Penning trap at IGISOL (JYFLTRAP); deduced decay heat.

doi: 10.3938/jkps.59.1479
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2011KI14      Phys.Rev. C 83, 065802 (2011), Erratum Phys.Rev. C 84, 049902 (2011)

O.S.Kirsebom, S.Hyldegaard, M.Alcorta, M.J.G.Borge, J.Buscher, T.Eronen, S.Fox, B.R.Fulton, H.O.U.Fynbo, H.Hultgren, A.Jokinen, B.Jonson, A.Kankainen, P.Karvonen, T.Kessler, A.Laird, M.Madurga, I.Moore, G.Nyman, H.Penttila, S.Rahaman, M.Reponen, K.Riisager, T.Roger, J.Ronkainen, A.Saastamoinen, O.Tengblad, J.Aysto

Precise and accurate determination of the ⁸B decay spectrum

RADIOACTIVITY ⁸B(β⁺)[from ⁶Li(³He, n), E=7.0 MeV]; measured β spectra, β-delayed α spectra, Eα, αα-coin. ⁸Be; deduced excitation distribution. Discussed implication of ⁸B neutrino spectrum. ²⁰Na(β⁺); measured β-delayed α spectrum and used for calibration. Monte-Carlo simulations of β decay of ⁸B. R-matrix parameterization.

doi: 10.1103/PhysRevC.83.065802
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2010AL22      Phys.Rev.Lett. 105, 202501 (2010)

A.Algora, D.Jordan, J.L.Tain, B.Rubio, J.Agramunt, A.B.Perez-Cerdan, F.Molina, L.Caballero, E.Nacher, A.Krasznahorkay, M.D.Hunyadi, J.Gulyas, A.Vitez, M.Csatlos, L.Csige, J.Aysto, H.Penttila, I.D.Moore, T.Eronen, A.Jokinen, A.Nieminen, J.Hakala, P.Karvonen, A.Kankainen, A.Saastamoinen, J.Rissanen, T.Kessler, C.Weber, J.Ronkainen, S.Rahaman, V.Elomaa, S.Rinta-Antila, U.Hager, T.Sonoda, K.Burkard, W.Huller, L.Batist, W.Gelletly, A.L.Nichols, T.Yoshida, A.A.Sonzogni, K.Perajarvi

Reactor Decay Heat in ²³⁹Pu: Solving the γ Discrepancy in the 4-3000-s Cooling Period

RADIOACTIVITY ¹⁰¹Nb, ¹⁰⁵Mo, ^{102,104,105,106,107}Tc(β^-) [from U(p, X), E=30, 50 MeV]; measured Eγ, Iγ, mass; deduced β-feeding probabilities, discrepancies for decay heat of ²³⁹Pu.

doi: 10.1103/PhysRevLett.105.202501
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2010KU01      Acta Phys.Pol. B41, 469 (2010)

J.Kurpeta, J.Rissanen, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, I.D.Moore, H.Penttila, A.Plochocki, S.Rahaman, S.Rinta-Antila, J.Ronkainen, A.Saastamoinen, T.Sonoda, J.Szerypo, W.Urban, Ch.Weber, J.Aysto

Progress in Trap Assisted β Decay Spectroscopy of ¹¹⁵Ru

RADIOACTIVITY ¹¹⁵Ru(β^-) [from ²³⁸U(p, F)¹¹⁵Ru, E=25 MeV]; measured Eγ, Iγ, γγ-coin.; deduced energy levels, gamma transitions, T_1/2. JYFLTRAP Penning trap system.

Data from this article have been entered in the XUNDL database. For more information, click here.

2008MA39      Eur.Phys.J. A 37, 151 (2008); Erratum Eur.Phys.J. A 38, 247 (2008)

I.Matea, J.Souin, J.Aysto, B.Blank, P.Delahaye, V.-V.Elomaa, T.Eronen, J.Giovinazzo, U.Hager, J.Hakala, J.Huikari, A.Jokinen, A.Kankainen, I.D.Moore, J.-L.Pedroza, S.Rahaman, J.Rissanen, J.Ronkainen, A.Saastamoinen, T.Sonoda, C.Weber

Precise half-life measurement of the ²⁶Si ground state

RADIOACTIVITY ²⁶Si(β⁺); measured Eγ, Iγ, Eβ, Iβ, βγ-coin, T_1/2, β-branching ratio using the IGISOL technique with the JYFLTRAP facility. Comparison with other results.

doi: 10.1140/epja/i2008-10623-5
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2008SM01      Phys.Rev. C 77, 014309 (2008)

D.L.Smith, H.Mach, H.Penttila, H.Bradley, J.Aysto, V.-V.Elomaa, T.Eronen, D.G.Ghita, J.Hakala, M.Hauth, A.Jokinen, P.Karvonen, T.Kessler, W.Kurcewicz, H.Lehmann, I.D.Moore, J.Nyberg, S.Rahaman, J.Rissanen, J.Ronkainen, P.Ronkanen, A.Saastamoinen, T.Sonoda, O.Steczkiewicz, C.Weber

Lifetime measurements of the negative-parity 7^- and 8^- states in ¹²²Cd

RADIOACTIVITY ¹²²Ag(β^-) [from ²³⁸U(p, F), E=50 MeV]; measured Eγ, Iγ, γγ-coin, lifetimes. ¹²²Cd; deduced levels, B(M1), B(E1), B(E2), half-lives using Advanced Time-delayed βγγ(t) method. Comparison with ¹²⁴Sn, ¹²⁶Te.

doi: 10.1103/PhysRevC.77.014309
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2007KU06      Eur.Phys.J. A 31, 263 (2007)

J.Kurpeta, V.-V.Elomaa, T.Eronen, J.Hakala, A.Jokinen, P.Karvonen, I.Moore, H.Penttila, A.Plochocki, S.Rahaman, S.Rinta-Antila, J.Rissanen, J.Ronkainen, A.Saastamoinen, T.Sonoda, W.Urban, Ch.Weber, J.Aysto

Penning trap assisted decay spectroscopy of neutron-rich ¹¹⁵Ru

RADIOACTIVITY ¹¹⁵Ru(β^-) [from ²³⁸U(p, F)]; measured Eγ, Iγ, γγ-coin. ¹¹⁵Rh deduced levels, J, π. Level systematics in neighboring nuclides discussed.

NUCLEAR REACTIONS ²³⁸U(p, F), E=25 MeV; measured fission fragment yields. Mass separator, Penning trap.

doi: 10.1140/epja/i2007-10009-3
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