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Etat excité du 12C à 18.36 MeV

Publication: Canadian Journal of Physics
August 1974

Abstract

The energy level of 12C at 18.36 MeV is investigated with the reaction 11B(p, α)2α. Both suggested values, 2+ and 3, for its spin and parity are used to compute the cross section in the laboratory σL, which corresponds to the detection of two alphas of the final state. Comparison of σL with the experimental data confirms that 3 is the most probable value. A tentative evaluation of the percentage of different outgoing channels is given in order to complete the analysis.

Résumé

Le niveau d'énergie du 12C à 18.36 MeV est étudié à l'aide de la réaction 11B(p, α)2α. Les deux valeurs proposées pour le spin et la parité de ce niveau 2+ et 3 sont utilisées dans le calcul des sections efficaces σL, qui correspondent à la détection de deux des alphas de l'état final. La comparaison de σL avec les résultats expérimentaux confirme que 3 est la valeur la plus probable. Une évaluation du pourcentage des différentes voies de sortie est donnée pour compléter l'analyse.

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Published In

cover image Canadian Journal of Physics
Canadian Journal of Physics
Volume 52Number 15August 1974
Pages: 1476 - 1484

History

Version of record online: 5 Septembre 2011

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Gisèle Goulard
Collège militaire royal de Saint-Jean, Saint-Jean, Québec
Gilles Turcotte
Université Laval, Québec, Québec

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Cited by

1. Energy levels of light nuclei A= 12
2. On Interference Effects in Light-Ion Nuclear Reactions with Three Particles in the Final State

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