Superdeformation in the doubly magic nucleus (40)(20)Ca(20).

Ideguchi, E; Sarantites, D G; Reviol, W; Afanasjev, A V; Devlin, M; Baktash, C; Janssens, R V; Rudolph, D; Axelsson, A; Carpenter, M P; Galindo-Uribarri, A; LaFosse, D R; Lauritsen, T; Lerma, F; Lister, C J; Reiter, P; Seweryniak, D; Weiszflog, M; Wilson, J N

Ideguchi, E; Sarantites, D G; Reviol, W; Afanasjev, A V; Devlin, M; Baktash, C; Janssens, R V; Rudolph, D; Axelsson, A; Carpenter, M P; Galindo-Uribarri, A; LaFosse, D R; Lauritsen, T; Lerma, F; Lister, C J; Reiter, P; Seweryniak, D; Weiszflog, M; Wilson, J N.

Ideguchi E; Chemistry Department, Washington University, St. Louis, Missouri 63130, USA.

Phys Rev Lett ; 87(22): 222501, 2001 Nov 26.

Article en En | MEDLINE | ID: mdl-11736396

ABSTRACT

ABSTRACT

A rotational band with seven gamma-ray transitions between states with spin 2 Planck's constant and 16 Planck's constant has been observed in the doubly magic, self-conjugate nucleus (40)(20)Ca(20). The measured transition quadrupole moment of 1.80(+0.39)(-0.29)eb indicates a superdeformed shape with a deformation beta(2) = 0.59(+0.11)(-0.07). The features of this band are explained by cranked relativistic mean field calculations to arise from an 8-particle 8-hole excitation.

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Banco de datos: MEDLINE Idioma: En Año: 2001 Tipo del documento: Article

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Banco de datos: MEDLINE Idioma: En Año: 2001 Tipo del documento: Article