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Molecular-orbital structure in neutron-rich C isotopes

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Title: Molecular-orbital structure in neutron-rich C isotopes
Authors: Itagaki, N. Browse this author
Okabe, S. Browse this author →KAKEN DB
Ikeda, K. Browse this author
Tanihata, I. Browse this author
Issue Date: 30-May-2001
Publisher: American Physical Society
Journal Title: Physical Review C
Volume: 64
Issue: 1
Start Page: 014301
Publisher DOI: 10.1103/PhysRevC.64.014301
Abstract: The moleculelike structure of the C isotopes (A=12, 14, 16) is investigated using a microscopic α+α+α+n+n+ … model. The valence neutrons are classified based on the molecular-orbit model, and both π orbit and σ orbit are introduced around three α clusters. The valence neutrons which occupy the π orbit increase the binding energy and stabilize the linear chain of 3α against the breathinglike breakup. However, 14C with the π orbit does not show a clear energy minimum against the bendinglike path. The combination of the valence neutrons in the π and σ orbits is promising to stabilize the linear-chain state against the breathing and bending modes, and it is found that the excited states of 16C with the (3/2π-)2(1/2σ-)2 configuration for the four valence neutrons is one of the most promising candidates for such a structure.
Rights: Copyright © 2001 American Physical Society
Type: article
Appears in Collections:情報基盤センター (Information Initiative Center) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 岡部 成玄

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