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  1. No Access

    Article

    First observation of high-K isomeric states in \(^{249}\) Md and \(^{251}\) Md

    Decay spectroscopy of the odd-proton nuclei \(^{249}\) 249 ...

    T. Goigoux, Ch. Theisen, B. Sulignano, M. Airiau… in The European Physical Journal A (2021)

  2. No Access

    Article

    Lifetimes of excited states in triaxially deformed 107Tc and 109,111,113Rh

    Lifetimes of excited states in 107Tc, 109Rh, 111Rh, and 113Rh were measured at GANIL using the Recoil-Distance Doppler Shift method. The neutron-rich nuclei were produced in fission reactions in inverse kinematic...

    T. W. Hagen, A. Görgen, W. Korten, L. Grente… in The European Physical Journal A (2018)

  3. No Access

    Article

    Alpha-gamma decay studies of 253No and its daughter products 253Md , 249Fm

    Nuclear structure and decay of the isotope 253No and its decay products 249Fm and 253Md were investigated by means of \( \alpha\) ...

    F. P. Heßberger, S. Antalic, D. Ackermann, Z. Kalaninová… in The European Physical Journal A (2012)

  4. No Access

    Article

    Isomeric states in 253No and 253Fm

    Nuclear structure and decay of isomeric states in 253No were investigated. The isotope was produced by the reaction 48Ca + 207Pb . The excitation energy of the known single-particle isomeric state ( 5/2+[622] wa...

    S. Antalic, F. P. Heßberger, D. Ackermann, S. Heinz… in The European Physical Journal A (2011)

  5. No Access

    Article

    Decay study of 246Fm at SHIP

    The decay chain of 246Fm has been investigated employing the SHIP separator at GSI Darmstadt. The 246Fm nuclei were produced via the 40Ar(208Pb, 2n)246Fm fusion-evaporation reaction. Improved values of the half-l...

    M. Venhart, F. P. Heßberger, D. Ackermann, S. Antalic… in The European Physical Journal A (2011)

  6. No Access

    Article

    Alpha-gamma decay studies of 261Sg and 257Rf

    The isotope 261Sg and its decay product 257Rf were produced in the nuclear reaction 208Pb(54Cr, n)261Sg . The radioactive decay of these isotopes was investigated by means of

    B. Streicher, F. P. Heßberger, S. Antalic, S. Hofmann… in The European Physical Journal A (2010)

  7. No Access

    Article

    Decay studies of K isomers in 254No

    A detailed \( \gamma\) spectroscopic decay study of two K isomers in 254No was performed. In addition to the previously...

    F. P. Heßberger, S. Antalic, B. Sulignano, D. Ackermann… in The European Physical Journal A (2009)

  8. No Access

    Article

    Decay properties of neutron-deficient isotopes of elements from Z = 101 to Z = 108

    In a series of experiments performed at the velocity filter SHIP, new or improved decay data of neutron-deficient isotopes of elements from mendelevium (Z = 101) to hassium (Z = 108) were obtained. In particular,...

    F. P. Heßberger, S. Hofmann, B. Streicher, B. Sulignano… in The European Physical Journal A (2009)

  9. No Access

    Article

    Di-nuclear systems studied with the velocity filter SHIP

    Various nuclear reactions like quasi-fission, fusion-fission or particle and cluster evaporation from excited compound nuclei were studied in heavy-ion reactions at the velocity filter SHIP of GSI. The velocit...

    S. Heinz, V. Comas, F. P. Heßberger, S. Hofmann… in The European Physical Journal A (2008)

  10. No Access

    Article

    Decay studies of neutron-deficient lawrencium isotopes

    The radioactive decay of the isotopes 254-256Lr and their daughter products was investigated by means of α , prompt α -γ and delayed conversion electron-γ coincidence spectroscopy. The isotopes were produced usin...

    S. Antalic, F. P. Heßberger, S. Hofmann, D. Ackermann… in The European Physical Journal A (2008)

  11. No Access

    Article

    Isomeric states in 214Th and 213Th

    Isomeric states in 214Th and 213Th were identified by means of γ -rays measured in delayed coincidence with the implanted evaporation residues. These were produced in irradiations of 164Dy with 54Cr projectiles a...

    J. Khuyagbaatar, S. Hofmann, F. P. Heßberger… in The European Physical Journal A (2007)

  12. No Access

    Article

    Identification of a K isomer in 252No

    A K isomer with a half-life of (110±10) ms at an excitation energy of 1254keV has been identified in the nucleus 252No . The isomer is interpreted as a two-quasineutron state with K π = 8-

    B. Sulignano, S. Heinz, F. P. Heßberger, S. Hofmann… in The European Physical Journal A (2007)

  13. No Access

    Article

    The reaction 48Ca + 238U → 286112* studied at the GSI-SHIP

    The fusion reaction of 48Ca projectiles with 238U target nuclei was studied at the velocity filter SHIP of GSI in Darmstadt. Two decay chains were measured, which fully confirm data that were previously assigned ...

    S. Hofmann, D. Ackermann, S. Antalic, H. G. Burkhard… in The European Physical Journal A (2007)

  14. No Access

    Article

    Alpha-gamma decay studies of 255Rf, 251No and 247Fm

    The decay of the isotopes 255Rf, 251No and 247Fm produced in the reactions $\mathrm{{}^{207}Pb\ensuremath({}^{50}Ti,2n){}^{255}Rf\ {}^...

    F. P. Heßberger, S. Hofmann, D. Ackermann… in The European Physical Journal A - Hadrons … (2006)

  15. No Access

    Article

    Studies of 213g, mRa and 214g, mRa by α and γ decay

    The decay of 213, 214Ra was studied by α-γ and γ-γ coincidence measurements. The nuclei were produced in the reactions 170Er(48Ca, xn)218-x Ra and 170Er(50Ti, 3n)217Th and subsequent α decay of 21...

    P. Kuusiniemi, F. P. Heßberger, D. Ackermann… in The European Physical Journal A - Hadrons … (2006)

  16. No Access

    Article

    Measurement of evaporation residue cross-sections of the reaction 30Si + 238U at subbarrier energies

    The reaction 30Si + 238U → 268Sg* was studied at beam energies close to the Coulomb barrier. At a center-of-mass energy of E c.m. = 144.0MeV for reactions at half thickness of the target w...

    K. Nishio, S. Hofmann, F. P. Heßberger… in The European Physical Journal A - Hadrons … (2006)

  17. No Access

    Article

    Alpha-gamma decay studies of 255No

    The decay of 255No was investigated by means of α-γ spectroscopy. The isotope was produced in the reactions 208Pb(48Ca, n)255No, $\mat...

    F. P. Heßberger, S. Hofmann, D. Ackermann… in The European Physical Journal A - Hadrons … (2006)

  18. No Access

    Article

    Energy systematics of low-lying Nilsson levels in odd-mass einsteinium isotopes

    The decay of odd-mass mendelevium isotopes ( A = 247-255) has been studied by means of α-γ spectroscopy. Strong evidence for a small α branch in the decay of 253Md was found. γ lines in coincidence with α-decays ...

    F. P. Heßberger, S. Antalic, B. Streicher… in The European Physical Journal A - Hadrons … (2005)

  19. No Access

    Article

    Parity non-conservation in the γ-decay of polarized 17/2- isomers in 93Tc

    The determination of the 0°- 180° asymmetry (Aγ), which arises due to the parity violating matrix element, in the 751keV γ-decay of polarized 17/2- isomers in 93Tc with respect to the direction of polarization is...

    B. S. Nara Singh, M. Hass, G. Goldring… in The European Physical Journal A - Hadrons … (2005)

  20. No Access

    Article

    Decay studies of 215-217Th using ER- γ- α- γ coincidences

    The decay of 215-217Th was investigated by ER-γ-α-γ coincidence measurements. The nuclei were produced by the reaction 170Er(50Ti, xn)220-xTh. Evaporation residues recoiling out of the target were separated in fl...

    P. Kuusiniemi, F. P. Heßberger, D. Ackermann… in The European Physical Journal A - Hadrons … (2005)

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