Investigation of the C 14 + α molecular configuration in O 18 by means of transfer and sequential decay reaction

A multinucleon transfer and cluster-decay experiment, namely 9Be(13C,18O*→14C+α)α, was performed at a beam energy of 65 MeV. Resonant states in 18O from 7 to 19 MeV, including some newly observed ones, are reconstructed with high resolution, based on the coincident detection of various combinations...

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Veröffentlicht in:	Physical review. C 2019-06, Vol.99 (6), Article 064315
Hauptverfasser:	Yang, B., Ye, Y. L., Feng, J., Lin, C. J., Jia, H. M., Li, Z. H., Lou, J. L., Li, Q. T., Ge, Y. C., Yang, X. F., Hua, H., Li, J., Zang, H. L., Liu, Q., Jiang, W., Li, C. G., Liu, Y., Chen, Z. Q., Wu, H. Y., Wang, C. G., Liu, W., Wang, X., Li, J. J., Luo, D. W., Jiang, Y., Bai, S. W., Xu, J. Y., Ma, N. R., Sun, L. J., Wang, D. X., Yang, Z. H., Chen, J.
Format:	Artikel
Sprache:	eng
Schlagworte:	NUCLEAR PHYSICS AND RADIATION PHYSICS
Online-Zugang:	Volltext
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Zusammenfassung:	A multinucleon transfer and cluster-decay experiment, namely 9Be(13C,18O*→14C+α)α, was performed at a beam energy of 65 MeV. Resonant states in 18O from 7 to 19 MeV, including some newly observed ones, are reconstructed with high resolution, based on the coincident detection of various combinations of the final fragments. Here, the α-decay branching ratios for 14 states are extracted from both the invariant-mass and the missing-mass measurements. Angular correlation analysis was conducted for the 10.3-MeV (4+) state. The present work supports the existence of the positive-parity rotational band associated with the 14C+α molecular structure in 18O, but the negative-parity band members were not identified.
ISSN:	2469-9985 2469-9993
DOI:	10.1103/PhysRevC.99.064315