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  • Digitale Medien  (3)
  • 25.70.Gh  (1)
  • PACS:  (1)
  • PACS: 21.10.Pc Single-particle levels – 23.20.Lv Gamma transitions and level energies – 27.70.+q 150 ≤ A ≤ 189  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Direct mass measurements of A=80 isobars (1998)
    Springer
    The European physical journal 2 (1998), S. 173-177 
    Details
    ISSN: 1434-601X
    Schlagwort(e): PACS:
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: Direct mass measurements of A=80 isobars were performed using the second cyclotron of SARA (Système Accélérateur Rhône-Alpes) of the ISN (Institut des Sciences Nucléaires) in Grenoble as a time-of-flight mass spectrometer. Using the 300 MeV 58Ni +27Al reaction, the isobars 80Rb, 80Sr, 80Y, and 80Zr (only one event!) were measured. For 80Y we found a mass value of 79.934320(180) u, corresponding to a decay energy Q (80Y →80Sr) of (9120 ± 170) keV. Comparing this value to the former experiments of Lister et al. and Della Negra et al. results in a difference of about 2.2 MeV. However, it does agree with the recommended value of Audi and Wapstra, which is derived from systematic trends. For 80Zr the single event was identified with a probability of 0.999975 and a mass value of 79.940400(1600) u could be deduced from our experiment.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s100500050106
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  • 2
    Digitale Medien
    Digitale Medien
    Yrast and side bands in the odd-odd160, 162Tm nuclei (1989)
    Springer
    The European physical journal 333 (1989), S. 247-253 
    Details
    ISSN: 1434-601X
    Schlagwort(e): 21.10.-K ; 23.20.Lv ; 25.70.Gh
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract 160, 162Tm nuclei have been reinvestigated at high spins by128, 130Te(37Cl, 5n) reactions, respectively. In the yrast bands of both nuclei the crossing frequencies correspond to the second neutron backbending (BC). The same is true for the side bands in162Tm but not in160Tm where the first neutron backbending(AB) is observed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01294512
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  • 3
    Digitale Medien
    Digitale Medien
    New insight in the level structure of 153Er (2000)
    Springer
    The European physical journal 7 (2000), S. 149-153 
    Details
    ISSN: 1434-601X
    Schlagwort(e): PACS: 21.10.Pc Single-particle levels – 23.20.Lv Gamma transitions and level energies – 27.70.+q 150 ≤ A ≤ 189
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Physik
    Notizen: Abstract: The high-spin level structure of the 153Er nucleus has been reinvestigated by in-beam γ-ray and electron spectroscopy with (14N,pxn) reaction. Excitation energies, spin and parity assignments are unambiguously established for the two lowest isomers T 1/2≃ 380 ns and T1/2\simeq 10 ns. The characteristics of the third one (T 1/2≃ 250 ns) at 5.2 MeV are still questionable but its main decay modes are better known. An extension of the level scheme is proposed up to 8.4 MeV.Experimental results have been discussed in terms of shell model multiplets and compared with the other structures observed in N=85 neighbouring nuclei.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/PL00013591
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