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. Suehiro; S. I. Hayakawa; M. Igarashi

doi:10.1016/0375-9474(90)90240-M

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

Research Center for Electron Photon Science (ELPH)

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

The ¹⁴C(p, t)¹²C reaction leading to the states in ¹²C in the region of excitation energy E_x = 0-19 MeV was studied at E_p = 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 language	English
Pages (from-to)	285-300
Number of pages	16
Journal	Nuclear Physics, Section A
Volume	510
Issue number	2
DOIs	https://doi.org/10.1016/0375-9474(90)90240-M
Publication status	Published - 1990 Apr 9

Keywords

Nuclear Reaction

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/0375-9474(90)90240-M

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Yasue, M., Tanaka, M. H., Hasegawa, T., Nisimura, K., Kubono, S., Ohnuma, H., Shimizu, H., Ieki, K., Toyokawa, H., Iwase, M., Iimura, J., Yoshida, H., Nakagawa, T., Sato, A., Niizeki, T., Takamatsu, J., Takahashi, Y., Tohei, T., Orihara, H., ... Igarashi, M. (1990). Systematic enhancement for the ¹⁴C(p, t)¹²C reaction leading to the T = 0 states. Nuclear Physics, Section A, 510(2), 285-300. https://doi.org/10.1016/0375-9474(90)90240-M

Systematic enhancement for the ¹⁴C(p, t)¹²C reaction leading to the T = 0 states. / Yasue, M.; Tanaka, M. H.; Hasegawa, T.; Nisimura, K.; Kubono, S.; Ohnuma, H.; Shimizu, H.; Ieki, K.; Toyokawa, H.; Iwase, M.; Iimura, J.; Yoshida, H.; Nakagawa, T.; Sato, A.; Niizeki, T.; Takamatsu, J.; Takahashi, Y.; Tohei, T.; Orihara, H.; Suehiro, T.; Hayakawa, S. I.; Igarashi, M.

In: Nuclear Physics, Section A, Vol. 510, No. 2, 09.04.1990, p. 285-300.

Research output: Contribution to journal › Article › peer-review

Yasue, M, Tanaka, MH, Hasegawa, T, Nisimura, K, Kubono, S, Ohnuma, H, Shimizu, H, Ieki, K, Toyokawa, H, Iwase, M, Iimura, J, Yoshida, H, Nakagawa, T, Sato, A, Niizeki, T, Takamatsu, J, Takahashi, Y, Tohei, T, Orihara, H, Suehiro, T, Hayakawa, SI & Igarashi, M 1990, 'Systematic enhancement for the ¹⁴C(p, t)¹²C reaction leading to the T = 0 states', Nuclear Physics, Section A, vol. 510, no. 2, pp. 285-300. https://doi.org/10.1016/0375-9474(90)90240-M

Yasue, M. ; Tanaka, M. H. ; Hasegawa, T. ; Nisimura, K. ; Kubono, S. ; Ohnuma, H. ; Shimizu, H. ; Ieki, K. ; Toyokawa, H. ; Iwase, M. ; Iimura, J. ; Yoshida, H. ; Nakagawa, T. ; Sato, A. ; Niizeki, T. ; Takamatsu, J. ; Takahashi, Y. ; Tohei, T. ; Orihara, H. ; Suehiro, T. ; Hayakawa, S. I. ; Igarashi, M. / Systematic enhancement for the ¹⁴C(p, t)¹²C reaction leading to the T = 0 states. In: Nuclear Physics, Section A. 1990 ; Vol. 510, No. 2. pp. 285-300.

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abstract = "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.",

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T1 - Systematic enhancement for the 14C(p, t)12C reaction leading to the T = 0 states

AU - Yasue, M.

AU - Tanaka, M. H.

AU - Hasegawa, T.

AU - Nisimura, K.

AU - Kubono, S.

AU - Ohnuma, H.

AU - Shimizu, H.

AU - Ieki, K.

AU - Toyokawa, H.

AU - Iwase, M.

AU - Iimura, J.

AU - Yoshida, H.

AU - Nakagawa, T.

AU - Sato, A.

AU - Niizeki, T.

AU - Takamatsu, J.

AU - Takahashi, Y.

AU - Tohei, T.

AU - Orihara, H.

AU - Suehiro, T.

AU - Hayakawa, S. I.

AU - Igarashi, M.

PY - 1990/4/9

Y1 - 1990/4/9

N2 - 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.

AB - 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.

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