Lifetimes of rotational levels in /sup 170/W

Michel, Caroline;El Masri, Youssef;Holzmann, R.;Van Hove, Marie-Anne;Vervier, Jean
(1980) Zeitschrift fuer Physik. Section A: Atoms and Nuclei — Vol. 298, n° 3, p. 213-218 (1980)

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  • Michel, CarolineUCLouvain
    Author
  • El Masri, YoussefUCLouvain
    Author
  • Holzmann, R.
    Author
  • Van Hove, Marie-AnneUCLouvain
    Author
  • Vervier, JeanUCLouvain
    Author
Abstract
Lifetimes of the first 2/sup +/, 4/sup +/ and 6/sup + / levels in /sup 170/W have been measured by the recoil-distance method based on the Doppler effect, using the /sup 155 /Gd(/sup 20/Ne,5/b n/)/sup 170/W reaction. The following conclusions can be drawn from the results: if there are any deviations from the predictions of the rotational model for the lifetimes of the 4/sup +/ and 6/sup +/ states, they are smaller than 8.5%; if this model accurately describes the nucleus /sup 170/W, the intrinsic quadrupole moment of this nucleus is: /b Q//sub 0/=5.93+/-0.06 barns, and its deformation is: beta =0.240+/-0.003. The value of /b Q//sub 0/ is compared with the predictions of various calculations for the tungsten isotopes.
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Michel, C., El Masri, Y., Holzmann, R., Van Hove, M.-A., & Vervier, J. (1980). Lifetimes of rotational levels in /sup 170/W. Zeitschrift fuer Physik. Section A: Atoms and Nuclei, 298(3), 213-218. https://hdl.handle.net/2078.5/149072 (Original work published 1980)