, Volume 67, Issue 10, pp 1810-1817

Structures and decay of deep-hole states in light nuclei populated by the (p, 2p 2p) reactions

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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.

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.
This article was submitted by the authors in English.