Investigation of the 4-α linear chain state in 16O

N. Curtis; S. Almaraz-Calderon; A. Aprahamian; N. I. Ashwood; M. Barr; B. Bucher; P. Copp; M. Couder; X. Fang; M. Freer; G. Goldring; F. Jung; S. R. Lesher; W. Lu; J. D. Malcolm; A. Roberts; W. P. Tan; C. Wheldon; V. A. Ziman

doi:10.1103/PhysRevC.88.064309

Investigation of the 4-α linear chain state in ¹⁶O

N. Curtis^*, S. Almaraz-Calderon, A. Aprahamian, N. I. Ashwood, M. Barr, B. Bucher, P. Copp, M. Couder, X. Fang, M. Freer, G. Goldring, F. Jung, S. R. Lesher, W. Lu, J. D. Malcolm, A. Roberts, W. P. Tan, C. Wheldon, V. A. Ziman

^*Corresponding author for this work

Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

26 Citations (Scopus)

63 Downloads (Pure)

Abstract

The ¹²C(⁴He, ⁸Be)⁸Be and ¹²C(⁴He, ¹²C^* → ⁸Be+α)α reactions have been measured with beam energies ranging from 12.2 to 20.0 MeV. The α particles emitted directly and following the decay of ⁸Be and ¹²C^* were detected in an array of four double sided silicon strip detectors. An analysis of the angular distributions obtained for the ¹²C(⁴He, ⁸Be)⁸Be channel provides no evidence to support the previously proposed rotational structure consisting of a rigid, linear, arrangement of four α particles in ¹⁶O.

Original language	English
Article number	064309
Number of pages	8
Journal	Physical Review C
Volume	88
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevC.88.064309
Publication status	Published - 6 Dec 2013

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.88.064309

CurtisN2013InvestigationFinal published version, 742 KBLicence: None: All rights reserved

Birmingham Nuclear Physics Consolidated Grant
Freer, M. (Principal Investigator), Evans, P. (Co-Investigator), Jones, P. (Co-Investigator), Wheldon, C. (Co-Investigator) & Lazzeroni, C. (Co-Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/11 → 31/07/14
Project: Research Councils
Advanced Fellowship - Dr Carl Wheldon
Wheldon, C. (Principal Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
29/10/07 → 28/10/12
Project: Research

Cite this

Curtis, N., Almaraz-Calderon, S., Aprahamian, A., Ashwood, N. I., Barr, M., Bucher, B., Copp, P., Couder, M., Fang, X., Freer, M., Goldring, G., Jung, F., Lesher, S. R., Lu, W., Malcolm, J. D., Roberts, A., Tan, W. P., Wheldon, C., & Ziman, V. A. (2013). Investigation of the 4-α linear chain state in ¹⁶O. Physical Review C, 88(6), Article 064309. https://doi.org/10.1103/PhysRevC.88.064309

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title = "Investigation of the 4-α linear chain state in 16O",

abstract = "The 12C(4He, 8Be)8Be and 12C(4He, 12C* → 8Be+α)α reactions have been measured with beam energies ranging from 12.2 to 20.0 MeV. The α particles emitted directly and following the decay of 8Be and 12C* were detected in an array of four double sided silicon strip detectors. An analysis of the angular distributions obtained for the 12C(4He, 8Be)8Be channel provides no evidence to support the previously proposed rotational structure consisting of a rigid, linear, arrangement of four α particles in 16O.",

author = "N. Curtis and S. Almaraz-Calderon and A. Aprahamian and Ashwood, {N. I.} and M. Barr and B. Bucher and P. Copp and M. Couder and X. Fang and M. Freer and G. Goldring and F. Jung and Lesher, {S. R.} and W. Lu and Malcolm, {J. D.} and A. Roberts and Tan, {W. P.} and C. Wheldon and Ziman, {V. A.}",

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doi = "10.1103/PhysRevC.88.064309",

language = "English",

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AU - Curtis, N.

AU - Almaraz-Calderon, S.

AU - Aprahamian, A.

AU - Ashwood, N. I.

AU - Barr, M.

AU - Bucher, B.

AU - Copp, P.

AU - Couder, M.

AU - Fang, X.

AU - Freer, M.

AU - Goldring, G.

AU - Jung, F.

AU - Lesher, S. R.

AU - Lu, W.

AU - Malcolm, J. D.

AU - Roberts, A.

AU - Tan, W. P.

AU - Wheldon, C.

AU - Ziman, V. A.

PY - 2013/12/6

Y1 - 2013/12/6

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AB - The 12C(4He, 8Be)8Be and 12C(4He, 12C* → 8Be+α)α reactions have been measured with beam energies ranging from 12.2 to 20.0 MeV. The α particles emitted directly and following the decay of 8Be and 12C* were detected in an array of four double sided silicon strip detectors. An analysis of the angular distributions obtained for the 12C(4He, 8Be)8Be channel provides no evidence to support the previously proposed rotational structure consisting of a rigid, linear, arrangement of four α particles in 16O.

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Investigation of the 4-α linear chain state in 16O

Abstract

ASJC Scopus subject areas

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Projects

Birmingham Nuclear Physics Consolidated Grant

Advanced Fellowship - Dr Carl Wheldon

Cite this

Investigation of the 4-α linear chain state in ¹⁶O