Systematic enhancement for the 14C(p, t)12C reaction leading to the T = 0 states

M. Yasue, M. H. Tanaka, T. Hasegawa, K. Nisimura, S. Kubono, H. Ohnuma, H. Shimizu, K. Ieki, H. Toyokawa, M. Iwase, J. Iimura, H. Yoshida, T. Nakagawa, A. Sato, T. Niizeki, J. Takamatsu, Y. Takahashi, T. Tohei, H. Orihara, T. SuehiroS. I. Hayakawa, M. Igarashi

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8 Citations (Scopus)


The 14C(p, t)12C reaction leading to the states in 12C in the region of excitation energy Ex = 0-19 MeV was studied at Ep = 40.3 MeV. The data were analyzed within the framework of exact-finite-range first and second-order DWBA calculations using Op-shell-model wave functions. The transitions to the T = 0 states of natural parity were found to require 3 times more enhancement than those to the T = 1 states. Angular distributions of cross sections for the 1+ states were reproduced by including two-step processes such as (p-d-t) and (p, t) (t, t'), but their absolute values were underestimated in the present analysis. The (p, t) transitions to the 3- and 4+ states, which are forbidden by the direct pickup process in the Op-shell-model space, were also investigated. The transition to the α-cluster-like 7.65 MeV 0+2 state was explained reasonably by a multistep process via the 4.44 MeV 2+ state of 12C.

Original languageEnglish
Pages (from-to)285-300
Number of pages16
JournalNuclear Physics, Section A
Issue number2
Publication statusPublished - 1990 Apr 9
Externally publishedYes


  • Nuclear Reaction

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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