STUDY OF "CONDENSATE" STATES IN 12C AND 16O BY INELASTIC SCATTERING
Abstract
Study of some properties of the lowest states of 12C, including the second 0+, 7.65 MeV (Hoyle) state by inelastic scattering of alpha-particles and 3He were carried out. Two independent methods of measuring the radii of the short-lived excited states based on the analysis of diffraction and rainbow patterns of the angular distributions were proposed. Both methods showed that Hoyle state radius is by factor ~ 1.2 – 1.3 larger than that of the ground state. 8Be transfer reaction was identified. The probability of L = 0 configuration in Hoyle state occurred to be 3 times larger than in the ground state indicating to the significant presence of condensate configuration in the former one.
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