NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = V.Wittman Found 13 matches. 2016NA02 Phys.Rev. C 93, 014308 (2016) E.Nacher, B.Rubio, A.Algora, D.Cano-Ott, J.L.Tain, A.Gadea, J.Agramunt, M.Gierlik, M.Karny, Z.Janas, E.Roeckl, A.Blazhev, R.Collatz, J.Doring, M.Hellstrom, Z.Hu, R.Kirchner, I.Mukha, C.Plettner, M.Shibata, K.Rykaczewski, L.Batist, F.Moroz, V.Wittmann, J.J.Valiente-Dobon Observations of the Gamow-Teller resonance in the rare-earth nuclei above 146Gd populated in β decay RADIOACTIVITY 148,148mTb, 150,150mHo, 152,152mTm(β+), (EC); measured Eγ, Iγ using GSI total absorption spectrometer (TAS), x-ray spectra; deduced β- intensity distributions, Gamow-Teller strength distributions B(GT), Q(EC) value for 152mTm decay, Gamow-Teller (GT) resonance; discussed quenching of the GT strength. Comparison with shell-model calculations. Radioactive sources produced in nuclear reactions at GSI using on-line mass spectrometer and FEBIAD ion source.
doi: 10.1103/PhysRevC.93.014308
2011ES03 Phys.Rev. C 84, 034304 (2011) M.E.Estevez Aguado, A.Algora, B.Rubio, J.Bernabeu, E.Nacher, J.L.Tain, A.Gadea, J.Agramunt, K.Burkard, W.Huller, J.Doring, R.Kirchner, I.Mukha, C.Plettner, E.Roeckl, H.Grawe, R.Collatz, M.Hellstrom, D.Cano-Ott, M.Karny, Z.Janas, M.Gierlik, A.Pochocki, K.Rykaczewski, L.Batist, F.Moroz, V.Wittman, A.Blazhev, J.J.Valiente, C.Espinoza β-decay study of 150Er, 152Yb, and 156Yb: Candidates for a monoenergetic neutrino beam facility RADIOACTIVITY 150Er(EC), (β+)[from96Ru(58Ni, 4p), E=307.4 MeV]; 152Yb(EC), (β+)[from 96Ru(58Ni, 2p), E=261 MeV]; 156Yb(EC), (β+)[from103Rh(58Ni, pα), E=307.4 MeV]; measured Eγ, Iγ, γ(x ray)-, γ(positrons)-coin; deduced I(EC), I(EC+β+). Total absorption spectroscopy (TAS)technique. Comparison of EC/β+ branches with those from previous high-resolution studies. Discussed candidate for EC-based monochromatic neutrino beam facility and search for CP violation.
doi: 10.1103/PhysRevC.84.034304
2004AL10 Eur.Phys.J. A 20, 199 (2004) A.Algora, L.Batist, M.J.G.Borge, D.Cano-Ott, R.Collatz, S.Courtin, Ph.Dessagne, L.M.Fraile, A.Gadea, W.Gelletly, M.Hellstrom, Z.Janas, A.Jungclaus, R.Kirchner, M.Karny, G.Le Scornet, Ch.Miehe, F.Marechal, F.Moroz, E.Nacher, E.Poirier, E.Roeckl, B.Rubio, K.Rykaczewski, J.L.Tain, O.Tengblad, V.Wittmann, and the GSI-TAS and LUCRECIA-TAgS Collaborations Beta-decay studies using total absorption spectroscopy
doi: 10.1140/epja/i2002-10353-8
2004AL35 Phys.Rev. C 70, 064301 (2004) A.Algora, E.Nacher, B.Rubio, D.Cano-Ott, J.L.Tain, A.Gadea, J.Agramunt, M.Karny, Z.Janas, K.Rykaczewski, R.Collatz, M.Hellstrom, Z.Hu, R.Kirchner, E.Roeckl, M.Shibata, L.Batist, F.Moroz, V.Wittmann β decay of 148Dy: Study of the Gamow-Teller giant state by means of total absorption spectroscopy RADIOACTIVITY 148Dy(EC), (β+) [from 93Nb(58Ni, 3p)]; measured Eγ, Iγ, (X-ray)γ-, βγ-coin; deduced log ft. 148Tb levels deduced β-feeding intensities, Gamow-Teller strength distribution, resonant state features. Total absorption spectrometer, comparison with previous results.
doi: 10.1103/PhysRevC.70.064301
2001JA16 Eur.Phys.J. A 12, 143 (2001) Z.Janas, M.Karny, Y.Fujita, L.Batist, D.Cano-Ott, R.Collatz, P.Dendooven, A.Gadea, M.Gierlik, M.Hellstrom, Z.Hu, A.Jokinen, R.Kirchner, O.Klepper, F.Moroz, M.Oinonen, H.Penttila, A.Plochocki, E.Roeckl, B.Rubio, M.Shibata, J.L.Tain, V.Wittman Total Absorption Spectroscopy of 58Cu Decay RADIOACTIVITY 58Cu(β+), (EC) [from Si(40Ca, X)]; measured Eγ, Iγ; deduced Gamow-Teller strength. 58Ni levels deduced β-feeding intensity. Total absorption spectroscopy.
doi: 10.1007/s100500170021
2001KA36 Nucl.Phys. A690, 367 (2001) M.Karny, L.Batist, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, R.Grzywacz, A.Guglielmetti, M.Hellstrom, Z.Hu, Z.Janas, R.Kirchner, F.Moroz, A.Piechaczek, A.Plochocki, E.Roeckl, B.Rubio, K.Rykaczewski, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann, A.Wohr Determination of the Gamow-Teller Strength Function for the Neutron-Deficient Isotopes 104-107In RADIOACTIVITY 104,105,106,107In(EC), (β+) [from 50,52Cr(58Ni, xnyp)]; measured Eγ, Iγ; deduced β-intensity and β-strength distributions. Online mass separation, total absorption spectrometer. NUCLEAR STRUCTURE 104,105,106,107In; calculated levels, Gamow-Teller strength. Shell model.
doi: 10.1016/S0375-9474(00)00694-1
2000HU17 Phys.Rev. C62, 064315 (2000) Z.Hu, L.Batist, J.Agramunt, A.Algora, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, M.Gierlik, M.Gorska, H.Grawe, M.Hellstrom, Z.Janas, M.Karny, R.Kirchner, F.Moroz, A.Plochocki, M.Rejmund, E.Roeckl, B.Rubio, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann β Decay of 98Ag: Evidence for the Gamow-Teller resonance near 100Sn RADIOACTIVITY 98Ag(β+), (EC) [from 61Ni(40Ca, 2np)]; measured Eγ, Iγ, γγ-coin, T1/2; deduced β-intensities, strength distribution. 98Pd deduced levels, J, π, Gamow-Teller strength distribution, resonance features. Mass separation, total-absorption spectrometer. Comparison with shell model. NUCLEAR STRUCTURE 98Ag, 98Pd; calculated levels, J, π, Gamow-Teller strength distributions. Shell model.
doi: 10.1103/PhysRevC.62.064315
1999AL46 Nucl.Phys. (Supplement) A654, 727c (1999) A.Algora, D.Cano-Ott, B.Rubio, J.L.Tain, J.Agramunt, J.Blomqvist, L.Batist, R.Borcea, R.Collatz, A.Gadea, J.Gerl, M.Gierlik, M.Gorska, O.Guilbaud, H.Grawe, M.Hellstrom, Z.Hu, Z.Janas, M.Karny, R.Kirchner, P.Kleinheinz, W.Liu, T.Martinez, F.Moroz, A.Plochocki, M.Rejmund, E.Roeckl, K.Rykaczewski, M.Shibata, J.Szerypo, V.Wittmann, and the German Euroball Collaboration The GT Resonance Revealed in β+-Decay using New Experimental Techniques RADIOACTIVITY 150Ho(EC), (β+), (β+α); measured Eγ, Eα, β-delayed α emission probability, β-strength. Comparison between results from a Total absorption spectrometer (NAI) and Ge detectors.
doi: 10.1016/S0375-9474(00)88536-X
1999HU10 Phys.Rev. C60, 024315 (1999) Z.Hu, L.Batist, J.Agramunt, A.Algora, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, M.Gierlik, M.Gorska, H.Grawe, M.Hellstrom, Z.Janas, M.Karny, R.Kirchner, F.Moroz, A.Plochocki, M.Rejmund, E.Roeckl, B.Rubio, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann β Decay of 97Ag: Evidence for the Gamow-Teller resonance near 100Sn RADIOACTIVITY 97Ag(β+), (EC) [from 60Ni(40Ca, 2np)]; measured Eγ, Iγ, γγ-coin, T1/2; deduced β-intensity, strength distribution. 97Pd deduced levels, J, π, Gamow-Teller strength distribution. Mass separation, total absorbtion spectrometer, NaI(Tl), Ge, Si detectors. NUCLEAR STRUCTURE 97Ag, 97Pd; calculated levels, J, π, Gamow-Teller strength distributions. Monte Carlo shell-model approach.
doi: 10.1103/PhysRevC.60.024315
1998KA42 Nucl.Phys. A640, 3 (1998) M.Karny, L.Batist, B.A.Brown, D.Cano-Ott, R.Collatz, A.Gadea, R.Grzywacz, A.Guglielmetti, M.Hellstrom, Z.Hu, Z.Janas, R.Kirchner, F.Moroz, A.Piechaczek, A.Plochocki, E.Roeckl, B.Rubio, K.Rykaczewski, M.Shibata, J.Szerypo, J.L.Tain, V.Wittmann, A.Wohr Beta Decay of 103In: Evidence for the Gamow-Teller resonance near 100Sn RADIOACTIVITY 103In(β+), (EC) [from 50Cr(58Ni, xpyn)]; measured Eγ, Iγ; deduced β-intensity, β-strength distribution. On-line mass separation, total absorption spectrometer, NaI(Tl) detectors, Ge-, Si-detectors. NUCLEAR STRUCTURE 103Cd, 103In; calculated levels, Gamow-Teller strength. Shell model.
doi: 10.1016/S0375-9474(98)00437-0
1997SZ04 Z.Phys. A359, 117 (1997) J.Szerypo, R.Grzywacz, Z.Janas, M.Karny, M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Zylicz, M.Huyse, G.Reusen, J.Schwarzenberg, P.Van Duppen, A.Woehr, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, K.Schmidt, L.Batist, A.Bykov, V.Wittman, B.A.Brown Decay Properties of Ground-State and Isomer of 103In RADIOACTIVITY 103In(β+)(EC) [from 50Cr(58Ni, 2n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay; deduced log ft, Gamow-Teller strength. 103mIn(IT) [from 50Cr(58Ni, 2n3p), E=5.9 MeV/nucleon]; measured T1/2. 101In(β+) [from 50Cr(58Ni, 4n3p), E=5.9 MeV/nucleon]; measured Eγ, Iγ, γγ-coin following decay, T1/2. 103Cd deduced levels. Shell model calculations.
doi: 10.1007/s002180050376
1995BA25 Z.Phys. A351, 149 (1995) L.Batist, A.Bykov, F.Moroz, V.Wittmann, G.D.Alkhazov, H.Keller, R.Kirchner, O.Klepper, E.Roeckl, M.Huyse, P.Van Duppen, G.Reusen, A.Plochocki, M.Pfutzner, K.Rykaczewski, J.Szerypo, J.Zylicz, B.A.Brown Gamow-Teller Strength Distribution in Beta-Decay of 100Ag from Total-Absorption Gamma Spectrometry RADIOACTIVITY 100Ag(EC), (β+); measured Gamow-Teller transition strength distribution in 100Pd. Total absorption γ-spectrometry. Model comparison.
doi: 10.1007/BF01289525
1995SZ01 Nucl.Phys. A584, 221 (1995) J.Szerypo, M.Huyse, G.Reusen, P.Van Duppen, Z.Janas, H.Keller, R.Kirchner, O.Klepper, A.Piechaczek, E.Roeckl, D.Schardt, K.Schmidt, R.Grzywacz, M.Pfutzner, A.Plochocki, K.Rykaczewski, J.Zylicz, G.Alkhazov, L.Batist, A.Bykov, V.Wittmann, B.A.Brown Beta Decay of Neutron-Deficient Even-Mass Indium Isotopes: Evidence for population of highly-excited states in the Cadmium-daughter nuclei RADIOACTIVITY 100,102,104In(EC), (β+) [from 50Cr(58Ni, xn3p), E=5.6 MeV/nucleon]; measured Eγ, Iγ, β-delayed Ep, Ip, Eβ, pγ-, βγ-, γγ-coin, T1/2; deduced B(GT). 102Cd deduced levels. Ge, Si detectors, on-line mass separation.
doi: 10.1016/0375-9474(94)00513-M
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