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Selective decay from a candidate of the σ-bond linear-chain state in C14

J. Li et al.
Phys. Rev. C 95, 021303(R) – Published 15 February 2017

Abstract

A cluster-transfer experiment Be9(Be9,C*14α+Be10)He4 was carried out using an incident beam energy of 45 MeV. This reaction channel has a large Q value that favors populating the high-lying states in C14 and separating various reaction channels. A number of resonant states are reconstructed from the forward-emitting Be10+α fragments with respect to three sets of well-discriminated final states in Be10, most of which agree with the previous observations. A state at 22.5(1) MeV in C14 is found to decay predominantly into the states around 6 MeV in Be10 daughter nucleus, in line with the unique property of the predicted band head of the σ-bond linear-chain molecular states. A new state at 23.5(1) MeV is identified which decays strongly into the first excited state of Be10.

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  • Received 21 December 2016

DOI:https://doi.org/10.1103/PhysRevC.95.021303

©2017 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

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Vol. 95, Iss. 2 — February 2017

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