Properties of the C-12 10 MeV state determined through beta-decay
Journal article, 2005

The beta-delayed triple-alpha particle decay of B-12 has been measured with a setup that favours coincidence detection. A broad state in C-12, previously reported around 10 MeV, has been seen and its properties determined through R-matrix analysis of the excitation spectrum. The spin and parity are 0(+). Interference between this state and the Hoyle state at 7.654 MeV has a marked influence on the spectrum. The coupling between the two states makes it difficult to determine the resonance energy. (c) 2005 Elsevier B.V. All rights reserved.

R-matrix analysis

RATES

INELASTIC-SCATTERING

NUCLEI

X)]

R-MATRIX THEORY

spin and parity of levels in C-12

ALPHA-PARTICLES

RADIOACTIVITY Be-12(beta(-))B-12(beta(-)3 alpha) [produced in Ta(p

deduced

measured alpha-particle coincidences

double-sided Si strip detector

Author

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Chalmers, Applied Physics, Subatomic Physics

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Chalmers, Applied Physics, Subatomic Physics

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Chalmers, Applied Physics, Subatomic Physics

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Chalmers, Applied Physics, Subatomic Physics

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Nuclear Physics A

0375-9474 (ISSN)

Vol. 760 1-2 3-18

Subject Categories

Subatomic Physics

DOI

10.1016/j.nuclphysa.2005.05.159

More information

Latest update

12/7/2018