1996/06/28 by Naoyuki Itagaki, N. Itagaki, Akira Ohnishi +5
Chemistry · Materials Science · Physics and Astronomy · #Advanced NMR Techniques and Applications #Atomic and Subatomic Physics Research #FOS: Physical sciences #Nuclear Theory (nucl-th) #Solid-state spectroscopy and crystallography #nucl-th
paper · pdf · doi:10.48550/arxiv.nucl-th/9606056
LaTeX file and 4 ps figures (16 pages total)
arxiv created 1996/06/28 · openalex publication_date 1996/06/28 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We study 4α linear-chain states in 16O in comparison with 3α states in 12C by using the Generator Coordinate Method within a microscopic Nα-cluster model. It is shown to be very important to solve relative motion of α-clusters by taking into account the orthogonality between the linear-chain states and other low-lying states including the ground state. For 12C, the 3α chain state disappears because of this orthogonality. The 4α chain state in 16O, on the other hand, is hardly affected by low-lying states and persists to remain above the 4α threshold. The calculated moment of inertia of the 4α linear-chain rotational band (88 keV) reproduces the experimentally suggested value qualitatively.