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QUARTETTING IN ATTRACTIVE FERMI-SYSTEMS AND ALPHA PARTICLE CONDENSATION IN NUCLEAR SYSTEMS

P. SCHUCK

Institut de Physique Nucléaire, 91406 Orsay Cedex, France

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Y. FUNAKI

The Institute of Physical and Chemical Research (RIKEN), Wako, Saitama 351-0198, Japan

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H. HORIUCHI

Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan

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G. RÖPKE

Institut für Physik, Universität Rostock, D-18051 Rostock, Germany

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A. TOHSAKI

Research Center for Nuclear Physics (RCNP), Osaka University, Ibaraki, Osaka 567-0047, Japan

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, and

T. YAMADA

Laboratory of Physics, Kanto Gakuin University, Yokohama 236-8501, Japan

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https://doi.org/10.1142/S0217979207043774Cited by:0 (Source: Crossref)

Abstract

The famous Hoyle state (0_2⁺ at 7.654 MeV in ¹²C) is identified as being an almost ideal condensate of three α-particles, hold together only by the Coulomb barrier. It, therefore, has a ⁸Be-α structure of low density. Transition probability and inelastic form factor together with position and other physical quantities are correctly reproduced without any adjustable parameter from our two parameter wave function of α-particle condensate type. The possibility of the existence of α-particle condensed states in heavier nα nuclei is also discussed.

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QUARTETTING IN ATTRACTIVE FERMI-SYSTEMS AND ALPHA PARTICLE CONDENSATION IN NUCLEAR SYSTEMS

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