Abstract
Decay particles from the s-hole states in 11B and 15N have been measured in coincidence with the quasifree 12C(p, 2p) and 16O(p, 2p) reactions at E p =392 MeV. Triton decay is found to be dominant for the 11B(s-hole) state and also found to be larger than α decay for the 15N(s-hole) state despite its smaller Q value compared to α decay. Measured decay branching ratios are discussed in comparison with the results of statistical-model, SU(3)-model, and shell-model calculations. The energy spectra around the s-hole states in both 11B and 15N exhibit some bumplike structures, which can be qualitatively explained by recent shell-model calculations for both nuclei.
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References
O. Chamberlain and E. Segrè, Phys. Rev. 87, 81 (1952).
G. Jacob and T. A. J. Maris, Rev. Mod. Phys. 45, 6 (1973), and references therein.
S. L. Belostotskii et al., Yad. Fiz. 41, 1425 (1985) [Sov. J. Nucl. Phys. 41, 903 (1985)]; S. S. Volkov et al., Yad. Fiz. 52, 1339 (1990) [Sov. J. Nucl. Phys. 52, 848 (1990)].
S. Frullani and J. Mougey, Adv. Nucl. Phys. 14, 1 (1984), and references therein.
H. Bando, T. Yamada, and J. Žofka, Phys. Rev. C 36, 1640 (1987).
T. Yamada and K. Ikeda, Prog. Theor. Phys. Suppl. 117, 445 (1994).
H. Ejiri, Phys. Rev. C 48, 1442 (1993).
Y. Hayato et al. (The Super-Kamiokande Collab.), Phys. Rev. Lett. 83, 1529 (1999).
T. Yamada, M. Takahashi, and K. Ikeda, Phys. Rev. C 53, 752 (1996).
M. Fujiwara et al., Nucl. Instrum. Methods Phys. Res. A 422, 484 (1999).
N. Matsuoka et al., RCNP Annual Report (1991), p. 186.
M. Yosoi et al., Phys. Lett. B 551, 255 (2003).
T. Inomata et al., Phys. Rev. C 57, 3153 (1998).
T. Kawabata et al., Nucl. Instrum. Methods Phys. Res. A 459, 171 (2001).
F. Pühlhofer, Nucl. Phys. A 280, 267 (1977); M. N. Harakeh, Extended Version of Code CASCADE (1983) (unpublished).
D. Wilmore and P. E. Hodgson, Nucl. Phys. 55, 673 (1964).
B. A. Watson, P. P. Singh, and R. E. Segel, Phys. Rev. 182, 977 (1969).
F. Michel et al., Phys. Rev. C 28, 1904 (1983).
M. Ermer et al., Nucl. Phys. A 533, 71 (1991).
J. B. A. England et al., Nucl. Phys. A 475, 422 (1987).
T. Yamada, Nucl. Phys. A 687, 297c (2001).
H. Horiuchi, K. Ikeda, and Y. Suzuki, Prog. Theor. Phys. Suppl. 52, 89 (1972).
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From Yadernaya Fizika, Vol. 67, No. 10, 2004, pp. 1838–1844.
Original English Text Copyright © 2004 by Yosoi, Akimune, Daito, Ejiri, Fujimura, Fujiwara, K. Hara, K.Y. Hara, Ishikawa, Itoh, Itow, Kawabata, Kobayashi, Nakamura, Noro, Obayashi, Sakaguchi, Sakemi, Shiozawa, Takeda, Taki, Tamii, Toyokawa, Tsukahara, Uchida, Yamada, Yasuda, Yoshida, Zegers.
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Yosoi, M., Akimune, H., Daito, I. et al. Structures and decay of deep-hole states in light nuclei populated by the (p, 2p 2p) reactions. Phys. Atom. Nuclei 67, 1810–1817 (2004). https://doi.org/10.1134/1.1811183
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DOI: https://doi.org/10.1134/1.1811183