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Equilateral-Triangular Shape in 14C

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Title: Equilateral-Triangular Shape in 14C
Authors: Itagaki, N. Browse this author
Otsuka, T. Browse this author
Ikeda, K. Browse this author
Okabe, S. Browse this author →KAKEN DB
Issue Date: 8-Apr-2004
Publisher: American Physical Society
Journal Title: Physical Review Letters
Volume: 92
Issue: 14
Start Page: 142501
Publisher DOI: 10.1103/PhysRevLett.92.142501
Abstract: An equilateral-triangular shape of three α clusters surrounded by excess neutrons is suggested for 14C, based on the molecular-orbit model. It is found that the attractive interaction between an excess neutron and an α particle stabilizes the Kπ = 0+ and 3- rotational bands, which demonstrates an equilateral-triangular symmetry. This Kπ = 3- band at 3 MeV below the 10Be + α threshold energy corresponds to the experimentally observed band built on top of the second 3- state. A positive-parity rotational band (0+, 2+, 4+) arises similarly. These two bands suggest a molecular 3-α structure stabilized by the excess neutrons and can be viewed as a realization of the α crystallization in the dilute nuclear medium.
Rights: Copyright © 2004 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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