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Abstract
A high-energy-resolution magnetic spectrometer has been used to measure the C-12 excitation energy spectrum to search for the 2(+) excitation of the 7.65 MeV, 0(+) Hoyle state. By measuring in the diffractive minimum of the angular distribution for the broad 0(+) background, evidence is found for a possible 2(+) state at 9.6(1) MeV with a width of 600(100) keV. The implications for the Be-8 + He-4 reaction rate in stellar environments are discussed.
Original language | English |
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Article number | 041303 |
Pages (from-to) | n/a |
Journal | Physical Review C |
Volume | 80 |
Issue number | 4 |
DOIs | |
Publication status | Published - 1 Oct 2009 |
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Dive into the research topics of '2^{+} excitation of the ^{12}C Hoyle state'. Together they form a unique fingerprint.Projects
- 1 Finished
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Birmingham Nuclear Physics Group Rolling Grant
Tungate, G. (Principal Investigator), Lazzeroni, C. (Co-Investigator), Evans, P. (Co-Investigator), Jones, P. (Co-Investigator) & Freer, M. (Co-Investigator)
SCIENCE & TECHNOLOGY FACILITIES COUNCIL
1/08/08 → 31/07/13
Project: Research Councils