Deformation of 34Mg studied via in-beam γ-ray spectroscopy using radioactive-ion projectile fragmentation

K. Yoneda, H. Sakurai, T. Gomi, T. Motobayashi, N. Aoi, N. Fukuda, U. Futakami, Z. Gacsi, Y. Higurashi, N. Imai, N. Iwasa, H. Iwasaki, T. Kubo, M. Kunibu, M. Kurokawa, Z. Liu, T. Minemura, A. Saito, M. Serata, S. ShimouraS. Takeuchi, Y. X. Watanabe, K. Yamada, Y. Yanagisawa, K. Yogo, A. Yoshida, M. Ishihara

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Abstract

The location of low-lying states in the very neutron-rich isotope 34Mg has been determined for the first time. In-beam γ-ray spectroscopy was performed using a two-step fragmentation reaction. Two strong γ-lines were observed at 660(10) keV and 1460(20) keV, which are tentatively attributed to the 21/+ → 0g.s./+ and 41/+ → 21/+ transitions in 34Mg, respectively. These tentative assignments lead to a very low energy for the 21/+ state and a large E(41/+)/E(21/+) ratio of about 3.2, in agreement with the expectations for a well deformed isotope.

Original languageEnglish
Pages (from-to)233-237
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume499
Issue number3-4
DOIs
Publication statusPublished - 2001 Feb 8

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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