------------------------------------------------------------ RECORD NO.: 872513 INSPEC Abstract No: A76020758 AUTHOR: Pauling, L. CORP SOURCE: Linus Pauling Inst. of Sci. & Medicine, Menlo Park, CA, USA TITLE: Structure of the excited rotational band in /sup 40/Ca SOURCE: Physical Review Letters, vol.36, no.3, p. 162-4 ISSN: 0031-9007 CODEN: PRLTAO PLACE OF PUBL: USA LANGUAGE: English YEAR: 19 Jan. 1976 TREATMENT: T Theoretical or Mathematical ABSTRACT: In the polyhelion cluster model of light even-even nuclei the energy of the rotational bands is discussed in terms of the values of the helion-helion distance. The structure of the first-excited 0/sup +/ state at 3.35 MeV in /sup 40/Ca is described by a method involving localised hybrid spd orbitals for determining M shell helion relative positions (10 Refs.) DESCRIPTORS: nuclear cluster model; nuclear energy levels; nuclei with 39