NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = H.Wollnik Found 88 matches. 2024XI06 Phys.Rev. C 109, 035804 (2024) W.Xian, S.Chen, S.Nikas, M.Rosenbusch, M.Wada, H.Ishiyama, D.Hou, S.Iimura, S.Nishimura, P.Schury, A.Takamine, S.Yan, F.Browne, P.Doornenbal, F.Flavigny, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, J.Lee, J.Liu, H.Miyatake, S.Michimasa, J.Y.Moon, S.Naimi, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, V.Werner, K.Wimmer, H.Wollnik Mass measurements of neutron-rich A ≈ 90 nuclei constrain element abundances
doi: 10.1103/PhysRevC.109.035804
2023HO11 Phys.Rev. C 108, 054312 (2023) D.S.Hou, A.Takamine, M.Rosenbusch, W.D.Xian, S.Iimura, S.D.Chen, M.Wada, H.Ishiyama, P.Schury, Z.M.Niu, H.Z.Liang, S.X.Yan, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.M.Kojima, W.Korten, J.Lee, J.J.Liu, Z.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik First direct mass measurement for neutron-rich 112Mo with the new ZD-MRTOF mass spectrograph system
doi: 10.1103/PhysRevC.108.054312
2023II01 Phys.Rev.Lett. 130, 012501 (2023) S.Iimura, M.Rosenbusch, A.Takamine, Y.Tsunoda, M.Wada, S.Chen, D.S.Hou, W.Xian, H.Ishiyama, S.Yan, P.Schury, H.Crawford, P.Doornenbal, Y.Hirayama, Y.Ito, S.Kimura, T.Koiwai, T.M.Kojima, H.Koura, J.Lee, J.Liu, S.Michimasa, H.Miyatake, J.Y.Moon, S.Naimi, S.Nishimura, T.Niwase, A.Odahara, T.Otsuka, S.Paschalis, M.Petri, N.Shimizu, T.Sonoda, D.Suzuki, Y.X.Watanabe, K.Wimmer, H.Wollnik Study of the N=32 and N=34 Shell Gap for Ti and V by the First High-Precision Multireflection Time-of-Flight Mass Measurements at BigRIPS-SLOWRI ATOMIC MASSES 55Sc, 56,58Ti, 56,57,58,59V; measured TOF; deduced masses, nonexistence of the N=34 empirical two-neutron shell gaps for Ti and V, and the enhanced energy gap in Ca. Comparison with new Monte Carlo shell model calculations. RIKEN's Radioactive Isotope Beam Factory (RIBF).
doi: 10.1103/PhysRevLett.130.012501
2021NI08 Phys.Rev. C 104, 044617 (2021) T.Niwase, M.Wada, P.Schury, P.Brionnet, S.D.Chen, T.Hashimoto, H.Haba, Y.Hirayama, D.S.Hou, S.Iimura, H.Ishiyama, S.Ishizawa, Y.Ito, D.Kaji, S.Kimura, J.Liu, H.Miyatake, J.Y.Moon, K.Morimoto, K.Morita, D.Nagae, M.Rosenbusch, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik, W.Xian, S.X.Yan α-decay-correlated mass measurement of 206, 207g, mRa using an α-TOF detector equipped multireflection time-of-flight mass spectrograph system ATOMIC MASSES 206,207,207mRa; measured time-of-flight spectra by α-decay-correlated mass spectroscopy using multireflection time-of-flight mass spectrograph (MRTOF-MS) system, with an α-TOF detector at SHE-Mass-II facility of RIBF-RIKEN; deduced mass excesses, and compared with evaluated data in AME2020. 207mRa; deduced excitation energy of the isomer, J, π. 206,207,207mRa isotopes produced in 159Tb(51V, X), E=306 MeV, followed by separation of evaporation residues using recoil ion separator GARIS-II at RIKEN. RADIOACTIVITY 206,207mRa(α)[from 159Tb(51V, X), E=306 MeV at RIBF-RIKEN]; measured Eα, Iα, T1/2 of decays of 206Ra and 207mRa, excitation energy of the isomer; deduced α-reduced width, configuration. Systematics of spins, parities, Eα, T1/2, α-branching ratios, reduced α widths for 203,203m,205,205m,207,207mRa. 198,199Po, 202,203At, 202,203Rn, 206,207Fr, 207Ra; observed α spectra from decays.
doi: 10.1103/PhysRevC.104.044617
2021SC14 Phys.Rev. C 104, L021304 (2021) P.Schury, T.Niwase, M.Wada, P.Brionnet, S.Chen, T.Hashimoto, H.Haba, Y.Hirayama, D.S.Hou, S.Iimura, H.Ishiyama, S.Ishizawa, Y.Ito, D.Kaji, S.Kimura, H.Koura, J.J.Liu, H.Miyatake, J.-Y.Moon, K.Morimoto, K.Morita, D.Nagae, M.Rosenbusch, A.Takamine, Y.X.Watanabe, H.Wollnik, W.Xian, S.X.Yan First high-precision direct determination of the atomic mass of a superheavy nuclide ATOMIC MASSES 257Db; measured Eα, time-of flight, distribution of time-of-flight (ToF)-correlated α-decay events using multireflection time-of-flight mass spectrograph (MRTOF-MS) at RIKEN Ring Cyclotron facility; deduced A/q and mass excess for each of the 11 observed correlated events assigned to 257Db. Comparison with AME2016 evaluated data. 257Db isotope produced in 208Pb(51V, 2n), E=306 MeV reaction, followed by separation of fragments using GARIS-II separator.
doi: 10.1103/PhysRevC.104.L021304
2018IT04 Phys.Rev.Lett. 120, 152501 (2018) Y.Ito, P.Schury, M.Wada, F.Arai, H.Haba, Y.Hirayama, S.Ishizawa, D.Kaji, S.Kimura, H.Koura, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morimoto, K.Morita, M.Mukai, I.Murray, T.Niwase, K.Okada, A.Ozawa, M.Rosenbusch, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik, S.Yamaki First Direct Mass Measurements of Nuclides around Z=100 with a Multireflection Time-of-Flight Mass Spectrograph NUCLEAR REACTIONS 232Th(19F, 5n)246Es, E=99.6, 103 MeV;238U(18O, 5n)251Fm, E=93.9 MeV; 203Tl(48Ca, 2n)249Md, E=215 MeV; 205Tl(48Ca, 3n)250Md, E=223 MeV; 205Tl(48Ca, 2n)251Md, E=215 MeV; 238U(19F, 5n)252md, E=98.6 MeV; 208Pb(48Ca, 2n)254No, E=219 MeV; measured reaction products, TOF; deduced mass excesses. Comparison with available data. ATOMIC MASSES 253,254Lr, 257,258Db, 261,262Bh, 266Mt; analyzed available data; deduced mass excesses.
doi: 10.1103/PhysRevLett.120.152501
2018KI21 Int.J. Mass Spectrom. 430, 134 (2018) S.Kimura, Y.Ito, D.Kaji, P.Schury, M.Wada, H.Haba, T.Hashimoto, Y.Hirayama, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morimoto, M.Mukai, I.Murray, A.Ozawa, M.Rosenbusch, H.Schatz, A.Takamine, T.Tanaka, Y.X.Watanabe, H.Wollnik Atomic masses of intermediate-mass neutron-deficient nuclei with relative uncertainty down to 35-ppb via multireflection time-of-flight mass spectrograph ATOMIC MASSES 63Cu, 64,65,66Zn, 65Ga, 65,66,67Ge, 67As, 78,81Br, 80Rb, 79Sr; measured frequencies, TOF; deduced masses, new mass excess values. Comparison with AME16 evaluations. NUCLEAR REACTIONS S(36Ar, X)63Cu/64Zn/65Zn/66Zn/65Ga/65Ge/66Ge/67Ge/67As/78Br/81Br/80Rb/79Sr, E=3.30 MeV/nucleon; measured reaction products; deduced σ. Comparison with theoretical calculations of fusion-evaporation reactions.
doi: 10.1016/j.ijms.2018.05.001
2018RO14 Phys.Rev. C 97, 064306 (2018) M.Rosenbusch, Y.Ito, P.Schury, M.Wada, D.Kaji, K.Morimoto, H.Haba, S.Kimura, H.Koura, M.MacCormick, H.Miyatake, J.Y.Moon, K.Morita, I.Murray, T.Niwase, A.Ozawa, M.Reponen, A.Takamine, T.Tanaka, H.Wollnik New mass anchor points for neutron-deficient heavy nuclei from direct mass measurements of radium and actinium isotopes ATOMIC MASSES 210,211,212,214Ra, 210,211,212,213,214Ac; measured time of flight, and mass excess using multireflection time-of-flight mass spectrograph (MRTOF-MS) at superheavy element (SHE) mass facility of RIKEN-KEK, and using gas-filled recoil ion separator GARIS-II at RIKEN. Comparison with values from AME-2016. Ra and Ac isotopes produced in 169Tm(48Ca, X), E=5, 6 MeV/nucleon reaction at RIKEN. Z=82-92, N=121-129; systematics of S(2n) values.
doi: 10.1103/PhysRevC.97.064306
2017SC02 Phys.Rev. C 95, 011305 (2017) P.Schury, M.Wada, Y.Ito, D.Kaji, F.Arai, M.MacCormick, I.Murray, H.Haba, S.Jeong, S.Kimura, H.Koura, H.Miyatake, K.Morimoto, K.Morita, A.Ozawa, M.Rosenbusch, M.Reponen, P.-A.Soderstrom, A.Takamine, T.Tanaka, H.Wollnik First online multireflection time-of-flight mass measurements of isobar chains produced by fusion-evaporation reactions: Toward identification of superheavy elements via mass spectroscopy ATOMIC MASSES 204,205,206Fr, 204,205,206Rn, 204,205,206At, 204,205Po, 205Bi; measured time-of-flight spectra, precise atomic masses with reference to that of 205Fr using GARIS-II recoil ion separator GARIS-II and multireflection time-of-flight mass spectrographs (MRTOF-MS) at RILAC-RIKEN facility. Isotopes produced in 165Ho, 169Tm(40Ar, X), E=4.825, 5.16 MeV/nucleon. Comparison with AME-2012 values, and previous experimental values.
doi: 10.1103/PhysRevC.95.011305
2014TA10 Phys.Rev.Lett. 112, 162502 (2014) A.Takamine, M.Wada, K.Okada, T.Sonoda, P.Schury, T.Nakamura, Y.Kanai, T.Kubo, I.Katayama, S.Ohtani, H.Wollnik, H.A.Schuessler Hyperfine Structure Constant of the Neutron Halo Nucleus 11Be+ NUCLEAR MOMENTS 11Be; measured laser-microwave double resonance spectra; deduced hyperfine structure constants, nuclear magnetic moment. Comparison with available data.
doi: 10.1103/PhysRevLett.112.162502
2013IT01 Phys.Rev. C 88, 011306 (2013) Y.Ito, P.Schury, M.Wada, S.Naimi, T.Sonoda, H.Mita, F.Arai, A.Takamine, K.Okada, A.Ozawa, H.Wollnik Single-reference high-precision mass measurement with a multireflection time-of-flight mass spectrograph ATOMIC MASSES 7,8Li, 9Be, 12C; measured time-of-flight (TOF) using a multireflection TOF mass spectrograph (MRTOF) at RIKEN facility. 8Li beam produced in 9Be(13C, X), E=100 MeV/nucleon. 7,8Li, 9Be; deduced mass excesses using 12C as a reference. Comparison with AME-12 values.
doi: 10.1103/PhysRevC.88.011306
2009SC30 Eur.Phys.J. A 42, 343 (2009) P.Schury, K.Okada, S.Shchepunov, T.Sonoda, A.Takamine, M.Wada, H.Wollnik, Y.Yamazaki Multi-reflection time-of-flight mass spectrograph for short-lived radioactive ions
doi: 10.1140/epja/i2009-10882-6
2009TA35 Eur.Phys.J. A 42, 369 (2009) A.Takamine, M.Wada, K.Okada, T.Nakamura, P.Schury, T.Sonoda, V.Lioubimov, H.Iimura, Y.Yamazaki, Y.Kanai, T.M.Kojima, A.Yoshida, T.Kubo, I.Katayama, S.Ohtani, H.Wollnik, H.A.Schuessler Isotope shift measurements of 11, 9, 7Be+ ATOMIC PHYSICS 7,9,11Be; measured optical transition energy, hyperfine constant; deduced microwave resonance and optical-optical double-resonance spectra, ground-state hyperfine splittings. Cryogenic linear Paul trap.
doi: 10.1140/epja/i2009-10883-5
2008OK01 Phys.Rev.Lett. 101, 212502 (2008) K.Okada, M.Wada, T.Nakamura, A.Takamine, V.Lioubimov, P.Schury, Y.Ishida, T.Sonoda, M.Ogawa, Y.Yamazaki, Y.Kanai, T.M.Kojima, A.Yoshida, T.Kubo, I.Katayama, S.Ohtani, H.Wollnik, H.A.Schuessler Precision Measurement of the Hyperfine Structure of Laser-Cooled Radioactive 7Be+ Ions Produced by Projectile Fragmentation NUCLEAR MOMENTS 7Be; measured hyperfine splitting using laser-microwave double-resonance spectroscopy. Deduced nuclear magnetic moment.
doi: 10.1103/PhysRevLett.101.212502
2007WA24 Hyperfine Interactions 173, 153 (2007) M.Wada, Y.Ishida, T.Nakamura, Y.Kanai, T.M.Kojima, A.Takamine, Y.Yamazaki, K.Okada, A.Yoshida, T.Kubo, I.Katayama, S.Ohtani, V.Varentsov, H.Wollnik, V.Lioubimov, H.A.Schuessler Laser spectroscopy of trapped 7Be and 10Be at a prototype slow RI-beam facility of RIKEN
doi: 10.1007/s10751-007-9552-1
2006BO41 Int.J. Mass Spectrom. 251, 212 (2006) F.Bosch, H.Geissel, Yu.A.Litvinov, K.Beckert, B.Franzke, M.Hausmann, Th.Kerscher, O.Klepper, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.N.Novikov, Z.Patyk, T.Radon, C.Scheidenberger, M.Steck, H.Wollnik Experiments with stored exotic nuclei at relativistic energies ATOMIC MASSES 140Pr, 140Ce, 147,147mDy; A=144-207; reviewed Shottky and mass spectra. RADIOACTIVITY 140Pr, 207Tl, 235Ac(β-); measured half-life of bare and few-electron ions.
doi: 10.1016/j.ijms.2006.01.037
2006HA62 Int.J. Mass Spectrom. 251, 119 (2006) P.A.Hausladen, J.R.Beene, A.Galindo-Uribarri, Y.Larochelle, J.F.Liang, P.E.Mueller, D.Shapira, D.W.Stracener, J.Thomas, R.L.Varner, H.Wollnik Opportunistic mass measurements at the Holifield Radioactive Ion Beam Facility ATOMIC MASSES 77,78,79Cu, 83,84,85,86Ge; measured mass excesses. Isotopes produced from 238U(p, F) reaction at beam energy 42 MeV using ISOL method. Proposed technique for measuring mass differences developed at the Holifield Radioactive Ion Beam Facility (HRIBF).
doi: 10.1016/j.ijms.2006.01.020
2005LI24 Nucl.Phys. A756, 3 (2005) Yu.A.Litvinov, H.Geissel, T.Radon, F.Attallah, G.Audi, K.Beckert, F.Bosch, M.Falch, B.Franzke, M.Hausmann, M.Hellstrom, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.N.Novikov, W.Quint, Z.Patyk, H.Reich, C.Scheidenberger, B.Schlitt, M.Steck, K.Summerer, L.Vermeeren, M.Winkler, Th.Winkler, H.Wollnik Mass measurement of cooled neutron-deficient bismuth projectile fragments with time-resolved Schottky mass spectrometry at the FRS-ESR facility ATOMIC MASSES Z=30-85; A=79-207; measured masses. Time-resolved Schottky mass spectrometry.
doi: 10.1016/j.nuclphysa.2005.03.015
2005LI30 Phys.Rev.Lett. 95, 042501 (2005) Yu.A.Litvinov, T.J.Burvenich, H.Geissel, Yu.N.Novikov, Z.Patyk, C.Scheidenberger, F.Attallah, G.Audi, K.Beckert, F.Bosch, M.Falch, B.Franzke, M.Hausmann, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, D.G.Madland, J.A.Maruhn, G.Munzenberg, F.Nolden, T.Radon, M.Steck, S.Typel, H.Wollnik Isospin Dependence in the Odd-Even Staggering of Nuclear Binding Energies NUCLEAR STRUCTURE Hf, W; compiled, analyzed neutron and proton pair-gap energies, odd-even staggering effect. Several models compared with data.
doi: 10.1103/PhysRevLett.95.042501
2004GE18 Nucl.Phys. A746, 150c (2004) H.Geissel, Yu.A.Litvinov, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, T.Faestermann, M.Falch, B.Franzke, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.-L.Kratz, S.A.Litvinov, K.E.G.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, Z.Patyk, B.Pfeiffer, M.Portillo, T.Radon, C.Scheidenberger, V.Shishkin, J.Stadlmann, M.Steck, D.J.Vieira, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi New results with stored exotic nuclei at relativistic energies ATOMIC MASSES 116,135,136,137,138,139,140Te, 117,119I, 117,118,119,120,121,122Xe, 116,117,118,119,120,121,122Pd, 143Sm; measured masses. Tl; analyzed proton separation energies, mass values. Schottky mass spectrometer.
doi: 10.1016/j.nuclphysa.2004.09.030
2004LI33 Nucl.Phys. A734, 473 (2004) Yu.A.Litvinov, H.Geissel, Yu.N.Novikov, Z.Patyk, T.Radon, C.Scheidenberger, F.Attallah, K.Beckert, F.Bosch, M.Falch, B.Franzke, M.Hausmann, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, M.Steck, H.Wollnik Precision Experiments with Time-Resolved Schottky Mass Spectrometry
doi: 10.1016/j.nuclphysa.2004.01.089
2004SC37 Acta Phys.Hung.N.S. 19, 165 (2004) C.Scheidenberger, F.Attallah, K.Beckert, P.Beller, F.Bosch, D.Boutin, H.Eickhoff, T.Faestermann, M.Falch, B.Franczak, B.Franzke, H.Geissel, M.Hausmann, M.Hellstrom, E.Kaza, Th.Kerscher, O.Klepper, H.-J.Kluge, R.Koyama, C.Kozhuharov, K.-L.Kratz, Yu.A.Litvinov, K.Lobner, L.Maier, M.Matos, G.Munzenberg, F.Nolden, Yu.N.Novikov, T.Ohtsubo, A.Ostrowski, A.Ozawa, Z.Patyk, B.Pfeiffer, M.Portillo, W.Quint, T.Radon, V.Shishkin, J.Stadlmann, M.Steck, K.Summerer, T.Suzuki, M.B.Trzhaskovskaya, D.J.Vieira, S.Watanabe, H.Weick, M.Winkler, H.Wollnik, T.Yamaguchi Study of Basic Nuclear Properties of Highly-Charged Unstable Nuclei at the SIS-FRS-ESR Complex
doi: 10.1556/APH.19.2004.1-2.27
2004ST05 Phys.Lett. B 586, 27 (2004) J.Stadlmann, M.Hausmann, F.Attallah, K.Beckert, P.Beller, F.Bosch, H.Eickhoff, M.Falch, B.Franczak, B.Franzke, H.Geissel, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, M.Matos, G.Munzenberg, N.Nankov, F.Nolden, Yu.N.Novikov, T.Ohtsubo, T.Radon, H.Schatz, C.Scheidenberger, M.Steck, H.Weick, H.Wollnik Direct mass measurement of bare short-lived 44V, 48Mn, 41Ti and 45Cr ions with isochronous mass spectrometry ATOMIC MASSES 44V, 48Mn, 41Ti, 45Cr; measured masses. In-flight separation, stored ions. Astrophysical implications discussed.
doi: 10.1016/j.physletb.2004.02.014
2003LI42 Phys.Lett. B 573, 80 (2003) Yu.A.Litvinov, F.Attallah, K.Beckert, F.Bosch, D.Boutin, M.Falch, B.Franzke, H.Geissel, M.Hausmann, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.N.Novikov, Z.Patyk, T.Radon, C.Scheidenberger, J.Stadlmann, M.Steck, M.B.Trzhaskovskaya, H.Wollnik Observation of a dramatic hindrance of the nuclear decay of isomeric states for fully ionized atoms RADIOACTIVITY 144mTb, 149mDy, 151mEr(EC), (IT) [from 209Bi fragmentation]; measured T1/2 of fully ionized atoms; deduced hindrance relative to neutral atom decay. Comparison with model predictions.
doi: 10.1016/j.physletb.2003.08.077
2002AT01 Nucl.Phys. A701, 561c (2002) F.Attallah, M.Hausmann, Y.A.Litvinov, T.Radon, J.Stadlmann, K.Beckert, F.Bosch, M.Falch, B.Franzke, H.Geissel, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Y.N.Novikov, Z.Patyk, W.Quint, H.Schatz, C.Scheidenberger, B.Schlitt, M.Steck, K.Summerer, H.Weick, H.Wollnik Mass and Lifetime Measurements at the Storage Ring ESR RADIOACTIVITY 168Ta(β+); measured T1/2 for decay of fully ionized atom.
doi: 10.1016/S0375-9474(01)01644-X
2002NO01 Nucl.Phys. A697, 92 (2002) Yu.N.Novikov, F.Attallah, F.Bosch, M.Falch, H.Geissel, M.Hausmann, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, G.Munzenberg, Z.Patyk, T.Radon, C.Scheidenberger, A.H.Wapstra, H.Wollnik Mass Mapping of a New Area of Neutron-Deficient Suburanium Nuclides ATOMIC MASSES 168W, 172Os, 176Pt, 180,182,183Hg, 185Tl, 184,186,187Pb, 189,190,191Bi, 188,190,191,192,193,194,195,196Po, 193,194,195,196,197,198,199,200,201,202At, 195,196,197,198,199,200,201,202,203,204,205,206Rn, 200,201,202,203,204,205,206Fr, 202,203,204,205,206,207,208,209,210Ra, 206,207,208,209,210Ac, 209,210,211,212,213,214Th, 212,213,214Pa, 218U; analyzed α-decay data; deduced masses, proton and neutron separation energies. Comparison with mass formula predictions.
doi: 10.1016/S0375-9474(01)01233-7
2001GE06 Nucl.Phys. A685, 115c (2001) H.Geissel, F.Attallah, K.Beckert, F.Bosch, M.Falch, B.Franzke, M.Hausmann, Th.Kerscher, O.Klepper, H.-H.Kluge, C.Kozhuharov, Yu.Litvinov, K.E.G.Lobner, G.Munzenberg, N.Nankov, F.Nolden, Yu.Novikov, T.Ohtsubo, Z.Patyk, T.Radon, C.Scheidenberger, J.Stadlmann, M.Steck, K.Summerer, H.Weick, H.Wollnik Progress in Mass Measurements of Stored Exotic Nuclei at Relativistic Energies
doi: 10.1016/S0375-9474(01)00533-4
2001GE17 Nucl.Phys. A693, 19 (2001) Mass Measurements of Stored Exotic Nuclei
doi: 10.1016/S0375-9474(01)00346-3
2001HA66 Hyperfine Interactions 132, 291 (2001) M.Hausmann, J.Stadlmann, F.Attallah, K.Beckert, P.Beller, F.Bosch, H.Eickhoff, M.Falch, B.Franczak, B.Franzke, H.Geissel, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, G.Munzenberg, N.Nankov, F.Nolden, Yu.N.Novikov, T.Ohtsubo, T.Radon, H.Schatz, C.Scheidenberger, M.Steck, Z.Sun, H.Weick, H.Wollnik Isochronous Mass Measurements of Hot Exotic Nuclei ATOMIC MASSES 68As, 70,71Se, 73Br; measured mass excess. Storage rings, comparison with previous results.
doi: 10.1023/A:1011911720453
2001LI64 Hyperfine Interactions 132, 283 (2001) Yu.A.Litvinov, F.Attallah, K.Beckert, F.Bosch, M.Falch, B.Franzke, H.Geissel, M.Hausmann, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.N.Novikov, Z.Patyk, W.Quint, T.Radon, C.Scheidenberger, M.Steck, L.Vermeeren, H.Wollnik Schottky Mass Measurements of Cooled Exotic Nuclei
doi: 10.1023/A:1011907602706
2001SC55 Hyperfine Interactions 132, 531 (2001) C.Scheidenberger, F.Attallah, A.Casares, U.Czok, A.Dodonov, S.A.Eliseev, H.Geissel, M.Hausmann, A.Kholomeev, V.Kozlovski, Yu.A.Litvinov, M.Maier, G.Munzenberg, N.Nankov, Yu.N.Novikov, T.Radon, J.Stadlmann, H.Weick, M.Weidenmuller, H.Wollnik, Z.Zhou A New Concept for Time-of-Flight Mass Spectrometry with Slowed-Down Short-Lived Isotopes
doi: 10.1023/A:1011959903557
2001WO13 Hyperfine Interactions 132, 439 (2001) The Use of Multi-Pass Time-of-Flight Mass Analyzers for Nuclear-Decay Spectroscopy of Mass Identified Nuclei
doi: 10.1023/A:1011914609492
2000RA23 Nucl.Phys. A677, 75 (2000) T.Radon, H.Geissel, G.Munzenberg, B.Franzke, Th.Kerscher, F.Nolden, Yu.N.Novikov, Z.Patyk, C.Scheidenberger, F.Attallah, K.Beckert, T.Beha, F.Bosch, H.Eickhoff, M.Falch, Y.Fujita, M.Hausmann, F.Herfurth, H.Irnich, H.C.Jung, O.Klepper, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, F.Nickel, H.Reich, W.Schwab, B.Schlitt, M.Steck, K.Summerer, T.Winkler, H.Wollnik Schottky Mass Measurements of Stored and Cooled Neutron-Deficient Projectile Fragments in the Element Range of 57 ≤ Z ≤ 84 ATOMIC MASSES 133La, 134Ce, 135,138Nd, 138Pm, 156Ho, 158Er, 158,160Tm, 160,161,162,164Yb, 162,163,164,166Lu, 164,165,166,167,168,170,171Hf, 167,168,169,170,171,173,175Ta, 170,171,172,173,174,175,176,177W, 172,173,174,175,176,177,178Re, 174,175,176,177,178,179,180,181Os, 177,178,179,180,181,183,184,185Ir, 178,179,180,181,182,183,184,185,187Pt, 181,182,183,184,185,187,188,189Au, 184,185,186,187,188,189,190,192Hg, 186,187,188,189,190,191,192,193,194,195Tl, 188,189,190,191,192,193,194,195,196,197,198Pb, 192,193,194,195,196,197,198Bi, 197,198,199,200,201,202Po; measured masses. Schottky mass spectrometry.
doi: 10.1016/S0375-9474(00)00304-3
1999RA32 Pramana 53, 609 (1999) T.Radon, H.Geissel, F.Attallah, K.Beckert, F.Bosch, A.Dolinsky, H.Eickhoff, M.Falch, B.Franczak, B.Franzke, Y.Fujita, M.Hausmann, M.Hellstrom, F.Herfurth, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.Litvinov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.Novikov, Z.Patyk, W.Quint, H.Reich, C.Scheidenberger, B.Schlitt, J.Stadlmann, M.Steck, K.Summerer, L.Vermeeren, M.Winkler, Th.Winkler, H.Wollnik Mass Measurements of Relativistic Projectile Fragments in the Storage Ring ESR ATOMIC MASSES Z=66-92; measured masses. Storage ring, Schottky spectroscopy.
doi: 10.1007/s12043-999-0038-3
1999SC46 Acta Phys.Hung.N.S. 10, 177 (1999) C.Scheidenberger, F.Attallah, K.Beckert, F.Bosch, H.Eickhoff, M.Falch, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, M.Hellstrom, F.Herfurth, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, Yu.A.Litvinov, K.E.G.Lobner, G.Munzenberg, F.Nolden, Yu.N.Novikov, Z.Patyk, W.Quint, T.Radon, H.Reich, H.Schatz, B.Schlitt, J.Stadlmann, M.Steck, K.Summerer, L.Vermeeren, H.Weick, M.Winkler, Th.Winkler, H.Wollnik Mass Measurements of Relativistic Exotic Nuclei ATOMIC MASSES 184,186,188,190,192Hg; measured masses. 179,180,181,183,185Ir, 181,182,183,184,185,187,188,189Au, 186,187,188,189,190,191,192,193,194,195Tl, 190,191,192,193,194,195,196Bi, 195,196,197,198,199,200At, 200,201,202,203,204Fr, 207,208Ac; measured masses; deduced one-proton separation energies. 189,191,192,194,198Pb, 190,192,194,195,196Bi, 196,198At, 202Fr; deduced proton-pairing energies. Schottky mass spectrometry, exotic nuclei from bismuth fragmentation.
1998BA87 Phys.Lett. 439B, 256 (1998) T.Baumann, M.J.G.Borge, H.Geissel, H.Lenske, K.Markenroth, W.Schwab, M.H.Smedberg, T.Aumann, L.Axelsson, U.Bergmann, D.Cortina-Gil, L.Fraile, M.Hellstrom, M.Ivanov, N.Iwasa, R.Janik, B.Jonson, G.Munzenberg, F.Nickel, T.Nilsson, A.Ozawa, A.Richter, K.Riisager, C.Scheidenberger, G.Schrieder, H.Simon, B.Sitar, P.Strmen, K.Summerer, T.Suzuki, M.Winkler, H.Wollnik, M.V.Zhukov Longitudinal Momentum Distributions of 16, 18C Fragments After One-Neutron Removal from 17, 19C NUCLEAR REACTIONS C(17C, n16C), (19C, n18C), E ≈ 910 MeV/nucleon; measured carbon fragments longitudinal momentum distributions. 17,19C deduced halo features. Secondary beams from 40Ar primary beam fragmentation.
doi: 10.1016/S0370-2693(98)01097-1
1998GU16 Phys.Rev. A58, R1637 (1998) R.Guckert, X.Zhao, S.G.Crane, A.Hime, W.A.Taylor, D.Tupa, D.J.Vieira, H.Wollnik Magneto-Optical Trapping of Radioactive 82Rb Atoms
doi: 10.1103/PhysRevA.58.R1637
1998SC09 Nucl.Phys. A630, 379c (1998) C.Scheidenberger, K.Beckert, T.Beha, F.Bosch, H.Eickhoff, M.Falch, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, F.Herfurth, H.Irnich, H.C.Jung, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, G.Kraus, K.E.G.Lobner, G.Munzenberg, F.Nickel, F.Nolden, Yu.Novikov, Z.Patyk, T.Radon, H.Reich, B.Schlitt, W.Schwab, M.Steck, K.Summerer, H.Wollnik Mass Measurements of Stored and Cooled Exotic Nuclei at GSI NUCLEAR REACTIONS 9Be(209Bi, X), E=930 MeV/nucleon; measured proton-rich fragments masses, one-proton separation energies for Z=76-89. Pb deduced shell-correction energy vs mass number.
doi: 10.1016/S0375-9474(97)00775-6
1997CI02 Nucl.Phys. A616, 69c (1997) G.Ciavola, L.Calabretta, G.Cuttone, G.Di Bartolo, P.Finocchiaro, S.Gammino, M.Gu, E.Migneco, J.Qin, G.Raia, D.Rifuggiato, A.Rovelli, D.Vinciguerra, H.Wollnik Recent Developments of EXCYT Project
doi: 10.1016/S0375-9474(97)00075-4
1997KU05 Nucl.Phys. A616, 11c (1997) S.Kubono, T.Nomura, S.Arai, Y.Arakaki, Y.Hashimoto, A.Imanishi, S.C.Jeong, I.Katayama, T.Katayama, H.Kawakami, H.Masuda, T.Miyachi, K.Niki, M.Okada, M.Oyaizu, Y.Shirakabe, P.Strasser, Y.Takeda, J.Tanaka, M.H.Tanaka, E.Tojyo, N.Tokuda, M.Tomizawa, M.Wada, K.Yoshida, M.Yoshizawa, M.Fujioka, S.Kato, T.Shinozuka, H.Wollnik New ISOL-Based Radioactive Nuclear Beam Facility at INS
doi: 10.1016/S0375-9474(97)00069-9
1997RA14 Phys.Rev.Lett. 78, 4701 (1997) T.Radon, Th.Kerscher, B.Schlitt, K.Beckert, T.Beha, F.Bosch, H.Eickhoff, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, H.Irnich, H.C.Jung, O.Klepper, H.-J.Kluge, C.Kozhuharov, G.Kraus, K.E.G.Lobner, G.Munzenberg, Yu.Novikov, F.Nickel, F.Nolden, Z.Patyk, H.Reich, C.Scheidenberger, W.Schwab, M.Steck, K.Summerer, H.Wollnik Schottky Mass Measurements of Cooled Proton-Rich Nuclei at the GSI Experimental Storage Ring NUCLEAR REACTIONS 9Be(209Bi, X), E=930 MeV/nucleon; measured proton rich isotopes mass for Z=60-84. 192Pb, 189Tl, 193Bi, 180Os, 188Hg deduced mass. 184Pt deduced mass, mass excess.
doi: 10.1103/PhysRevLett.78.4701
1997SC39 Nucl.Phys. A626, 315c (1997) B.Schlitt, K.Beckert, F.Bosch, H.Eickhoff, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, H.Irnich, O.Klepper, H.-J.Kluge, C.Kozhuharov, G.Kraus, G.Munzenberg, F.Nickel, F.Nolden, Z.Patyk, T.Radon, H.Reich, C.Scheidenberger, W.Schwab, M.Steck, K.Summerer, Th.Winkler, T.Beha, M.Falch, Th.Kerscher, K.E.G.Lobner, H.C.Jung, H.Wollnik, Yu.Novikov Schottky Mass Spectrometry at the ESR: A novel tool for precise direct mass measurements of exotic nuclei NUCLEAR REACTIONS 9Be(197Au, X), E=900 MeV/nucleon; 9Be(209Bi, X), E=930 MeV/nucleon; measured proton rich isotopes mass for Z=67-83. Schottky mass spectrometry.
doi: 10.1016/S0375-9474(97)00552-6
1997WO02 Nucl.Phys. A616, 346c (1997) H.Wollnik, K.Beckert, T.Beha, F.Bosch, H.Eickhoff, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, H.Irnich, H.C.Jung, Th.Kerscher, O.Klepper, H.-J.Kluge, C.Kozhuharov, G.Kraus, K.E.G.Lobner, G.Munzenberg, F.Nickel, F.Nolden, Yu.Novikov, T.Radon, H.Reich, C.Scheidenberger, B.Schlitt, W.Schwab, A.Schwinn, M.Steck, K.Summerer Direct Mass Measurements of Proton-Rich Nuclei in the Region from Tellurium to Polonium NUCLEAR REACTIONS 9Be(209Bi, X), E=930 MeV/nucleon; measured fragments revolution frequencies in ESR; deduced mass of proton rich isotopes of Te-Po with mass 135-209.
doi: 10.1016/S0375-9474(97)00107-3
1997WO11 Nucl.Phys. A626, 327c (1997) H.Wollnik, K.Beckert, T.Beha, F.Bosch, A.Dolinsky, H.Eickhoff, M.Falch, B.Franzke, Y.Fujita, H.Geissel, M.Hausmann, Th.Horvath, H.Irnich, H.C.Jung, Th.Kerscher, O.Klepper, C.Kozhuharov, G.Kraus, K.E.G.Lobner, G.Munzenberg, F.Nickel, F.Nolden, Yu.Novikov, T.Radon, H.Reich, C.Scheidenberger, B.Schlitt, W.Schwab, A.Schwinn, M.Steck, K.Summerer, M.Theiss, T.Winkler TOF-Mass-Measurements of Exotic Nuclei at the ESR of the GSI
doi: 10.1016/S0375-9474(97)00553-8
1996SC22 Hyperfine Interactions 99, 117 (1996) B.Schlitt, K.Beckert, T.Beha, H.Eickhoff, B.Franzke, H.Geissel, H.Irnich, H.C.Jung, T.F.Kerscher, O.Klepper, K.E.G.Lobner, G.Munzenberg, F.Nolden, Y.Novikov, T.Radon, H.Reich, A.Schwinn, M.Steck, K.Summerer, T.Winkler, H.Wollnik Schottky Mass Spectrometry at the Heavy Ion Storage Ring ESR NUCLEAR REACTIONS Ar(197Au, X)196Au/195Au/194Au/192Au/193Pt/192Pt/191Pt/187Pt/188Ir/187Ir/185Os, E=295 MeV/nucleon; measured broad-band Schottky spectra residuals from 197Au fragmentation. 187Pt deduced mass. Heavy ion storage ring.
doi: 10.1007/BF02274915
1995IR01 Phys.Rev.Lett. 75, 4182 (1995) H.Irnich, H.Geissel, F.Nolden, K.Beckert, F.Bosch, H.Eickhoff, B.Franzke, Y.Fujita, M.Hausmann, H.C.Jung, O.Klepper, C.Kozhuharov, G.Kraus, A.Magel, G.Munzenberg, F.Nickel, T.Radon, H.Reich, B.Schlitt, W.Schwab, M.Steck, K.Summerer, T.Suzuki, H.Wollnik Half-Life Measurements of Bare, Mass-Resolved Isomers in a Storage-Cooler Ring NUCLEAR REACTIONS 9Be(58Ni, X), E=360-380 MeV/nucleon; measured fragment frequency, Schottky spectra; deduced 52,53Fe, 53mFe, 52mMn decay features, T1/2. Secondary beams, fragment separator, storage-cooler ring. RADIOACTIVITY 52,53Fe(β+); measured β+; 52mMn(IT), (β+), (EC); 53mFe(IT); measured β++γ branches; deduced T1/2. Sources from projectile fragmentation in 9Be(58Ni, X) reaction. Secondary beams, fragment separator, storage-cooler ring.
doi: 10.1103/PhysRevLett.75.4182
1994MA67 Nucl.Instrum.Methods Phys.Res. B94, 548 (1994) A.Magel, H.Geissel, B.Voss, P.Armbruster, T.Aumann, M.Bernas, B.Blank, T.Brohm, H.-G.Clerc, S.Czajkowski, H.Folger, A.Grewe, E.Hanelt, A.Heinz, H.Irnich, M.de Jong, A.Junghans, F.Nickel, M.Pfutzner, A.Piechaczek, C.Rohl, C.Scheidenberger, K.-H.Schmidt, W.Schwab, S.Steinhauser, K.Summerer, W.Trinder, H.Wollnik, G.Munzenberg First Spatial Isotopic Separation of Relativistic Uranium Projectile Fragments NUCLEAR REACTIONS Cu(238U, X), E=950 MeV/nucleon; measured fragment position distributions; deduced 236U separation, other characteristics of fragment separator.
doi: 10.1016/0168-583X(94)95436-4
1994SE12 Z.Phys. A349, 25 (1994) H.L.Seifert, J.M.Wouters, D.J.Vieira, H.Wollnik, X.G.Zhou, X.L.Tu, Z.Y.Zhou, G.W.Butler Mass Measurement of Neutron-Rich Isotopes from 51Ca to 72Ni NUCLEAR REACTIONS Th(p, F), E=800 MeV; measured fission fragment tof spectra, other features. 51Ca, 52,53,54Sc, 54,55,56Ti, 56,57,58,59,60V, 57,58,59,60,61,62Cr, 60,61,62,63,64,65Mn, 63,64,65,66,67Fe, 66,67,68,69Co, 67,68,69,70,71,72Ni deduced mass excess, two-neutron separation energies.
doi: 10.1007/BF01296329
1992GE09 Nucl.Instrum.Methods Phys.Res. B70, 286 (1992) H.Geissel, P.Armbruster, K.H.Behr, A.Brunle, K.Burkard, M.Chen, H.Folger, B.Franczak, H.Keller, O.Klepper, B.Langenbeck, F.Nickel, E.Pfeng, M.Pfutzner, E.Roeckl, K.Rykaczewski, I.Schall, D.Schardt, C.Scheidenberger, K.-H.Schmidt, A.Schroter, T.Schwab, K.Summerer, M.Weber, G.Munzenberg, T.Brohm, H.-G.Clerc, M.Fauerbach, J.-J.Gaimard, A.Grewe, E.Hanelt, B.Knodler, M.Steiner, B.Voss, J.Weckenmann, C.Ziegler, A.Magel, H.Wollnik, J.P.Dufour, Y.Fujita, D.J.Vieira, B.Sherrill The GSI Projectile Fragment Separator (FRS): A versatile magnetic system for relativistic heavy ions
doi: 10.1016/0168-583X(92)95944-M
1992PR03 Z.Phys. A342, 23 (1992) M.Przewloka, A.Przewloka, P.Wachter, H.Wollnik Measurements of β-Endpoint-Energies using a Magnetic Electron Separator RADIOACTIVITY 90,91,92,93,94,95,96,97,98Rb [from fission]; measured β-endpoint energies; deduced Qβ, mass excess. Achromatic magnetic electron separator.
doi: 10.1007/BF01294483
1992PR04 Z.Phys. A342, 27 (1992) M.Przewloka, A.Przewloka, P.Wachter, H.Wollnik New Qβ-Values of 139-146Cs RADIOACTIVITY 139,140,141,142,143,144,145,146Cs; measured precise β-endpoint energies; deduced Qβ, mass excesses. Achromatic magnetic electron separator.
doi: 10.1007/BF01294484
1990ST13 Z.Phys. A336, 369 (1990) U.Stohlker, A.Blonnigen, W.Lippert, H.Wollnik Q(β)-Measurements of Indium, Tin and Antimony Isotopes with Masses A = 128 and 130 RADIOACTIVITY 128,130In, 128,130Sn, 128,130Sb; measured Eβ, βγ-coin; deduced Qβ.
1986VI09 Phys.Rev.Lett. 57, 3253 (1986) D.J.Vieira, J.M.Wouters, K.Vaziri, R.H.Kraus, Jr., H.Wollnik, G.W.Butler, F.K.Wohn, A.H.Wapstra Direct Mass Measurements of Neutron-Rich Light Nuclei near N = 20 NUCLEAR REACTIONS 232Th(p, X), E=800 MeV; measured fragment mass to charge spectra. 19C, 20,21N, 23O, 23,24,25,26F, 27,28Ne, 28,29,30Na, 30,31,32Mg, 32,33,34Al, 36Si, 37P deduced mass excess, two-neutron separation energy vs neutron number. Recoil spectrometer.
doi: 10.1103/PhysRevLett.57.3253
1985MU07 Z.Phys. A321, 515 (1985) J.Munzel, B.Pfeiffer, U.Stohlker, G.Bewersdorf, H.Wollnik, H.Lawin, E.Monnand Level Schemes of 100Y and 100Zr from the Beta-Decay of Mass Separated 100Sr RADIOACTIVITY 100Sr(β-) [from fission product separation]; 100mY(β-) [from 100Sr β-decay]; measured Eγ, Iγ, γγ-coin; deduced Iβ, log ft. 100Y, 100Zr deduced levels, J, π, γ-branching.
1984BE50 Z.Phys. A319, 193 (1984) K.Becker, G.Jung, K.-H.Kobras, H.Wollnik, B.Pfeiffer Gamma-Gamma Angular Correlation Measurements of Transitions in 98Sr and 98Zr and Confirmation of Shape Coexistence in 98Sr RADIOACTIVITY 98Rb(β-n) [from 235U(n, F), E=thermal]; 98Y(β-) [following 98Sr decay]; measured γγ(θ), γγ-coin. 98Sr, 98Zr deduced levels, J, π, γ-branching, δ, shape coexistence evidence.
doi: 10.1007/BF01415633
1983FA03 Nucl.Instrum.Methods 206, 317 (1983) R.Fass, P.Lemmertz, L.J.Alquist, H.Wollnik, D.Hirdes, H.Jungclas On-Line Mass Determination of α-Active Products from the Reaction (nat)U + 208Pb with a Gas Jet Time-of-Flight Mass Spectrometer NUCLEAR REACTIONS U, Ar(208Pb, αX)150Dy/151Dy/152Dy/151Ho/152Ho/152mHo/159Hf/155Yb/163W/159Ta/209At/207At/211At/217At/216At/215At/225Ac/192Bi/211Bi/212Bi/212mBi/218Po/217Po/216Po/211Po/211mPo/214Po/213Po/212Po/212mPo/221Fr/212Fr/211Fr/213Fr/219Fr/218Fr/226Th/225Th/223Th/213Ra/221Ra/224Ra/222Ra/214Ra/220Rn/217Rn/213Rn, E=7 MeV/nucleon; measured Eα, Iα, αγ-coin, α-recoil masses; deduced production σ ratios, masses for certain residuals. Gas jet Tof mass spectrometer, Ti window, Ar gas thermalization, natural U target.
doi: 10.1016/0167-5087(83)91275-9
1983MU19 Z.Phys. A313, 247 (1983) J.Munzel, B.Pfeiffer, H.Wollnik Half-Lives of the Neutron-Rich Isotopes 100Sr, 100Y, 148Ba and 148La RADIOACTIVITY 100Sr(β-); 100Y(β-) [from 100Sr(β-decay)]; 148Ba(β-); 148La(β-) [from 148Ba(β-decay)]; measured T1/2. On-line separation, γ-multispectra measurements.
1982DE08 Nucl.Instrum.Methods 192, 261 (1982) R.Decker, K.-D.Wunsch, H.Wollnik, G.Jung, E.Koglin, G.Siegert A Hyperpure Germanium Detector for Precise Beta Endpoint Energy Determinations RADIOACTIVITY 28Al, 20F, 38Cl, 88Rb [from 27Al, 19F, 37Cl, 87Rb(d, p), E=1-6.5 MeV]; measured Eβ, βγ-coin, β-endpoint energies, Qβ. Hyperpure Ge detector, on-line separation.
doi: 10.1016/0029-554X(82)90831-X
1982GA24 Z.Phys. A308, 359 (1982) H.Gabelmann, J.Munzel, B.Pfeiffer, G.I.Crawford, H.Wollnik, K.-L.Kratz P(n)-Values of Short-Lived Sr, Y, Ba and La Precursors RADIOACTIVITY 97,98,99Sr(β-n) [from 97,98,99Rb(β-decay)]; 97,98,99Y(β-n); 147,148Ba(β-n) [from 147,148Cs(β--decay)]; 147,148La(β-n); measured neutron, β-spectra, T1/2; deduced β-delayed neutron emission probabilty.
doi: 10.1007/BF01415884
1982KR11 Z.Phys. A306, 239 (1982) K.-L.Kratz, A.Schroder, H.Ohm, M.Zendel, H.Gabelmann, W.Ziegert, P.Peuser, G.Jung, B.Pfeiffer, K.D.Wunsch, H.Wollnik, C.Ristori, J.Crancon Beta-Delayed Neutron Emission from 93-100Rb to Excited States in the Residual Sr Isotopes. RADIOACTIVITY 93,94,95,96,97,98,99,100Rb [from 235U(n, F)]; measured Eγ, Iγ, β-delayed nγ-, βγ-, γγ-coin; deduced β-strength function role. 92,93,94,95,96,97,98Sr levels deduced delayed neutron branching ratios.
doi: 10.1007/BF01415126
1981DE25 Z.Phys. A301, 165 (1981) R.Decker, K.D.Wunsch, H.Wollnik, G.Jung, J.Munzel, G.Siegert, E.Koglin Prazise Qβ-Wert-Messungen mit einem Intrinsic-Germanium-Detektor an schweren, Neutronenreichen Spaltprodukten (Precise Q(β-) Values with an Intrinsic Germanium Detector for Heavy, Neutron-Rich Fission Products) RADIOACTIVITY 138,139,140,141,142,143,144,145,146Cs, 139,141,143,146Ba, 146La [from on-line fission product separation]; measured βγ-coin, β-end point energies; deduced Qβ. Intrinsic Ge detector.
doi: 10.1007/BF01419247
1981JU02 Nucl.Phys. A352, 1 (1981) G.Jung, B.Pfeiffer, P.Hungerford, S.M.Scott, F.Schussler, E.Monnand, J.A.Pinston, L.J.Alquist, H.Wollnik, W.D.Hamilton The Level Structure of 96Y from the Decay of 96Sr RADIOACTIVITY 96Sr [from 235U(n, F)]; measured Eγ, Iγ, γγ-coin, γγ(θ); deduced log ft. 96Y deduced levels, J, π, γ-multipolarity, ICC. Mass-separated 96Rb activity, Si(Li) and Ge(Li) detectors.
doi: 10.1016/0375-9474(81)90554-6
1981LU06 Z.Phys. A303, 115 (1981) T.Lund, D.Hirdes, H.Jungclas, D.Molzahn, P.Vater, R.Brandt, P.Lemmertz, R.Fass, H.Wollnik, H.Gaggeler Search for Production of Superheavy Elements via ' Fusion after Instantaneous Fission ' in the Reaction 238U + 208Pb RADIOACTIVITY, Fission 254Cf(SF), 240,242m,244mAm(SF) [from 238U(208Pb, X), E=8 MeV/nucleon]; measured fragment distribution. Gas jet, fission track counting techniques. NUCLEAR REACTIONS, Fission 238U(208Pb, X), E=8 MeV/nucleon; measured Eα, Iα, SF fragment distribution, α(fragment)-coin; deduced production yields for 240,242,244Cm, 254Cf, superheavy production σ. Radiochemical, gas jet, rotating wheel techniques, natural target.
doi: 10.1007/BF01420268
1980AL08 Nucl.Phys. A338, 1 (1980) L.J.Alquist, H.Wollnik, G.Jung, B.Pfeiffer, P.Hungerford, S.M.Scott, W.D.Hamilton Gamma-Gamma Angular Correlations of Transitions in 92Sr RADIOACTIVITY 92Rb; measured γγ(θ). 92Sr levels deduced J, π. Mass-separated 92Rb activity.
doi: 10.1016/0375-9474(80)90117-7
1980DE02 Z.Phys. A294, 35 (1980) R.Decker, K.D.Wunsch, H.Wollnik, E.Koglin, G.Siegert, G.Jung Prazise Qβ-Wert-Messungen mit einem Intrinsic-Germanium Detektor an leichten, neutronenreichen Spaltprodukten RADIOACTIVITY 88,89,90,91,92,93,94,95,96,97Rb, 91,94,96Sr, 94,95,96Y [from on-line fission product separation]; measured Eβ, βγ-coin; deduced Q(β). Intrinsic Ge detector.
doi: 10.1007/BF01473120
1980EP02 Nucl.Phys. A340, 1 (1980) M.Epherre, G.Audi, C.Thibault, R.Klapisch, G.Huber, F.Touchard, H.Wollnik Direct Mass Measurements on Francium Isotopes and Deduced Masses for Odd-Z Neighbouring Elements ATOMIC MASSES 204,205,206,207,208,209,210,212,224,225,226,227,228Fr; measured masses; deduced 209,210,211,212,213,214,216Ac, 215,216,217,218Pa, 200,201,202,203,204,205,206,208At, 196,197,198,199,200,201,202,204Bi, 197Tl masses. On-line mass spectrometry, comparison with current mass predictions.
doi: 10.1016/0375-9474(80)90319-X
1980JU03 Phys.Rev. C22, 252 (1980) G.Jung, B.Pfeiffer, L.J.Alquist, H.Wollnik, P.Hungerford, S.M.Scott, W.D.Hamilton Gamma-Gamma Angular Correlations of Transitions in 94Sr and 96Sr RADIOACTIVITY 94,96Rb; measured γγ(θ). 94,96Sr deduced levels, J, π. Mass-separation.
doi: 10.1103/PhysRevC.22.252
1980LE27 Z.Phys. A298, 311 (1980) P.Lemmertz, L.J.Alquist, R.Fass, H.Wollnik, D.Hirdes, H.Jungclas, R.Brandt, D.Schardt, J.Zylicz Studies on Low Spin Yrast States in 212mPo RADIOACTIVITY 212Bi [from U(208Pb, X), E=7 MeV/nucleon]; measured Eγ, Eα, αγ-coin; deduced log ft. 212Po deduced levels, T1/2, low-spin yrast band, configuration.
doi: 10.1007/BF01425163
1979BA62 Phys.Rev. C20, 2244 (1979) S.J.Balestrini, R.Decker, H.Wollnik, K.D.Wunsch, G.Jung, E.Koglin, G.Siegert Independent Yields of Rb and Cs Isotopes from Thermal-Neutron Induced Fission of 235U NUCLEAR REACTIONS 235U(n, F), E=thermal; measured relative abundancies of Rb, Cs isotopes. 88,89,90,91,92,93,94,95,96,97Rb, 137,138,139,140,141,142,143,144,145,146Cs deduced independent, fractional yields. Rb, Cs deduced charge displacement, dispersion, enhancement factor. Even-odd Z effect model. Mass separator, fast neutron detector.
doi: 10.1103/PhysRevC.20.2244
1979EP01 Phys.Rev. C19, 1504 (1979) M.Epherre, G.Audi, C.Thibault, R.Klapisch, G.Huber, F.Touchard, H.Wollnik Direct Measurements of the Masses of Rubidium and Cesium Isotopes Far From Stability NUCLEAR STRUCTURE 74,75,76,77,78,79,90,91,92,93,94,95,96,97,98,99Rb; 117,118,119,120,121,122,123,124,126,138,140,141,142,143,144,145,146,147Cs; measured masses; deduced two-neutron separation energies, evidence for deformation around N=60.
doi: 10.1103/PhysRevC.19.1504
1978FA16 Nucl.Instrum.Methods 154, 233 (1978) R.Fass, E.Georg, H.Wollnik, D.Schardt, G.Weiss, K.Wien, D.Hirdes A Time-of-Flight Mass Spectrometer for Recoil Particles from α-Active Sources Produced by a He-JET NUCLEAR REACTIONS Ge(84Kr, X), E=5.8 MeV/nucleon; measured α(fragment)-coin. 103Rh(84Kr, X), E not given; measured Eα, Iα; deduced evidence for 180,178,177,176Pt, 179,178,177Au. Recoil particles tof mass spectrometer.
1978JU03 Phys.Lett. 79B, 58 (1978) H.Jungclas, D.Hirdes, R.Brandt, P.Lemmertz, E.Georg, H.Wollnik Search for Superheavy Elements in the Interaction of 136Xe and 238U with (nat)U Using the Gas Jet Transport Technique NUCLEAR REACTIONS U(136Xe, X), U(238U, X), E not given; measured σ for production of SF nuclides; deduced upper limits for production of superheavy elements. Gas jet collection.
doi: 10.1016/0370-2693(78)90435-5
1978KO29 Z.Phys. A288, 319 (1978) E.Koglin, G.Jung, G.Siegert, R.Decker, K.D.Wunsch, H.Wollnik Half-Lives of the New Isotopes 100Rb, 100Sr, 145Cs and of 99Rb, 99Sr and 147Cs RADIOACTIVITY 100Rb, 100Sr, 148Cs, 99Rb, 99Sr, 147Cs [from 235U+n]; measured activity build-up, decay with β-multi-scaling, γ-multispectra; deduced T1/2.
doi: 10.1007/BF01415200
1978PF02 Z.Phys. A287, 191 (1978) B.Pfeiffer, F.Schussler, J.Blachot, S.J.Feenstra, J.van Klinken, H.Lawin, E.Monnand, G.Sadler, H.Wollnik, K.D.Wunsch, and the JOSEF-LOHENGRIN-OSTIS-Collaboration Nuclear Spectroscopy of Neutron-Rich A=145 Nuclei RADIOACTIVITY 145Ba, 145La, 145Ce [from fission]; measured Eγ, Iγ, γγ-coin, βγ-coin, γX-ray(t), I(ce); deduced Qβ, log ft. 145La, 145Ce, 145Pr deduced levels, ICC, T1/2, J, π.
doi: 10.1007/BF01408089
1978ST02 Z.Phys. A284, 95 (1978) R.Stippler, F.Munnich, H.Schrader, J.P.Bocquet, M.Asghar, G.Siegert, R.Decker, B.Pfeiffer, H.Wollnik, E.Monnand, F.Schussler Experimental Beta-Decay Energies of Short-Lived Light Fission Products RADIOACTIVITY 88Br, 90,92Kr, 90,92,93Rb, 93,95,96,97,98Sr, 96,97,97m,98,98mY, 98,100,101,102Nb, 99,100Zr; measured Eβ; deduced Qβ.
doi: 10.1007/BF01433881
1978ST03 Z.Phys. A285, 287 (1978) R.Stippler, F.Munnich, H.Schrader, K.Hawerkamp, R.Decker, B.Pfeiffer, H.Wollnik, E.Monnand, F.Schussler Total Beta-Decay Energies of Heavy Fission Products RADIOACTIVITY 144,145Ba, 144,145,147La, 145,147,148Ce, 148Pr; measured Eβ; deduced Q.
doi: 10.1007/BF01408242
1978WO09 Phys.Rev. C17, 2185 (1978) F.K.Wohn, K.D.Wunsch, H.Wollnik, R.Decker, G.Jung, E.Koglin, G.Siegert Identification of 147Cs and Half-Life Determinations for Cs and Ba Isotopes with A = 144-147 and Rb and Sr Isotopes with A = 96-98 RADIOACTIVITY 96,97,98Rb, 96,97,98Sr, 144,145,146,147Cs, 144,145,146,147Ba [from 235U(n, F)]; measured T1/2. Ge(Li), plastic scintillation detectors, mass separated activities.
doi: 10.1103/PhysRevC.17.2185
1978WU04 Z.Phys. A288, 105 (1978) K.D.Wunsch, R.Decker, H.Wollnik, J.Munzel, G.Siegert, G.Jung, E.Koglin Precision Beta Endpoint Energy Measurements of Rubidium and Cesium Fission Products with an Intrinsic Ge-Detector RADIOACTIVITY 88,89,90,91,92,93,94Rb, 138,139,140,141,142,143,144Cs; measured βγ-coin, Eβ; deduced Q.
1977PF01 J.Phys.(Paris) 38, 9 (1977) B.Pfeiffer, J.P.Bocquet, J.A.Pinston, R.Roussille, M.Asghar, G.Bailleul, R.Decker, J.Greif, H.Schrader, G.Siegert, H.Wollnik, J.Blachot, E.Monnand, F.Schussler Gamma Spectroscopy of Some Short-Lived Fission Products with the Isotope Separator Lohengrin RADIOACTIVITY 100Y, 100Zr, 149,150Ce, 150Pr, 136Te, 87Se; measured Eγ, Iγ, T1/2. 149Pr, 135,137Te, 86Se; measured Eγ, Iγ. 88Se; measured Eγ, Iγ; deduced ground state β-branching. 85Se; measured Eγ, Iγ, T1/2; deduced ground state β-branching.
doi: 10.1051/jphys:019770038010900
1977WO06 Nucl.Instrum.Methods 144, 565 (1977) H.Wollnik, B.Pfeiffer, J.P.Bocquet, F.Schussler, The LOHENGRIN Collaboration The Use of a Many-Capillary Gas Jet System for Nuclear Spectroscopic Measurements at a Recoil Fission Product Separator RADIOACTIVITY 96Y, 96Sr, 136Te, 136I; measured γ-spectra.
doi: 10.1016/0029-554X(77)90025-8
1977WO07 Nucl.Phys. A291, 355 (1977) H.Wollnik, F.K.Wohn, K.D.Wunsch, G.Jung Experimental Indication of the Onset of Nuclear Deformation in Neutron-Rich Sr Isotopes at Mass 98 RADIOACTIVITY 98Rb [from 235U(n, fission)]; measured Eγ, Iγ. 98Sr deduced levels. Mass-separated Rb activity.
doi: 10.1016/0375-9474(77)90325-6
1976SI18 Phys.Rev. C14, 1864 (1976) G.Siegert, H.Wollnik, J.Greif, R.Decker, G.Fiedler, B.Pfeiffer Nuclear Charge Distribution of Fission Products from 235U(n(th), f) of the Masses 79 to 100 NUCLEAR REACTIONS 235U(n, F), E=th; measured σ(A, Z); deduced proton, neutron odd-even effect.
doi: 10.1103/PhysRevC.14.1864
1975GU03 Nucl.Phys. A242, 56 (1975) H.Gunther, G.Siegert, K.Wunsch, H.Wollnik Gamma-Ray Energies of Short-Lived Rb, Sr, and Y Isotopes Indicating Delayed Neutron Emission to Excited States RADIOACTIVITY 95,96,97Rb, 95,96,97Sr, 95,97Y; measured Eγ, Iγ, βγ-coin. 96,97Sr, 95,97Y, 96,97Zr deduced transitions. 95Sr, 96Y deduced levels. 96,97Sr deduced delayed-neutron decay probability. On-line mass separator.
doi: 10.1016/0375-9474(75)90033-0
1975SI04 Phys.Rev.Lett. 34, 1034 (1975) G.Siegert, J.Greif, H.Wollnik, G.Fiedler, R.Decker, M.Asghar, G.Bailleul, J.P.Bocquet, J.P.Gautheron, H.Schrader, P.Armbruster, H.Ewald Nuclear Charge Distributions in the Isobars 92 to 100 Resulting from Thermal Neutron Fission of Uranium-235 NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fractional yields; deduced nuclear charge distribution in isobars A=92-100.
doi: 10.1103/PhysRevLett.34.1034
1974SI23 Phys.Lett. 53B, 45 (1974) G.Siegert, H.Wollnik, J.Greif, G.Fiedler, M.Asghar, G.Bailleul, J.P.Bocquet, J.P.Gautheron, H.Schrader, H.Ewald, P.Armbruster Direct Determination of the Nuclear Charge Distribution of Mass Separated Fission Products from 235U(n(th), f) NUCLEAR REACTIONS 235U(n, F), E=thermal; measured charge distribution of A=90-91 isobaric chains.
doi: 10.1016/0370-2693(74)90339-6
1974WU02 Phys.Rev. C10, 2523 (1974) K.Wunsch, H.Wollnik, G.Siegert Qβ Values of Neutron-Rich Cs Isotopes RADIOACTIVITY 141,142,143,144,145Cs [from 235U(n, F)]; measured Eβ; deduced Eβ max, Qβ. Mass separated Cs activities.
doi: 10.1103/PhysRevC.10.2523
1973WU03 J.Phys.(London) A6, L93 (1973) K.Wunsch, H.Gunther, G.Siegert, H.Wollnik Gamma Ray Energies of 143-145Cs and of their Beta Decay Products RADIOACTIVITY 143,144,145Cs, Ba, 144La [from 235U(n, F)]; measured Eγ, Iγ, βγ-coin, T1/2.
doi: 10.1088/0305-4470/6/7/005
1971TA17 Nucl.Phys. A173, 465 (1971) B.Tamain, B.Pfeiffer, H.Wollnik, E.Konecny Search for Bremsstrahlung-Induced Fission Isomers of 238U and 239Pu RADIOACTIVITY, Fission 238U, 239Pu(SF); measured T1/2. NUCLEAR REACTIONS, Fission 238U, 239Pu(γ, F), E < 53 MeV; measured (γ)(fragment)-delay. 238U, 239Pu deduced fission isomers, T1/2.
doi: 10.1016/0375-9474(71)90964-X
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