2+ excitation of the C-12 Hoyle state
Oct, 2009
5 pages
Published in:
- Phys.Rev.C 80 (2009) 041303
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Abstract: (APS)
A high-energy-resolution magnetic spectrometer has been used to measure the C12 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 Be8+He4 reaction rate in stellar environments are discussed.- 25.70.Mn
- 27.20.+n
- 21.10.Re
- 25.70.Ef
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