Search for the G-parity violation of weak nucleon current in β decays of mass 8 system

T. Sumikama, K. Matsuta, T. Nagatomo, M. Ogura, T. Iwakoshi, Y. Nakashima, H. Fujiwara, M. Fukuda, M. Mihara, K. Minamisono, T. Yamaguchi, T. Minamisono

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

The β-ray angular distribution from the mirror pair 8Li and 8B have been observed to search for the G-parity violating induced tensor term gII in the weak nucleon current The pure nuclear spin alignment of 8Li and 8B (Iπ = 2+) was successfully converted from the nuclear spin polarization by applying a β-NMR technique. The alignment correlation term in the β-ray angular distribution was observed as a function of β-ray energy. The gII was extracted from the alignment correlation term by combining the known β-α correlation term and weak magnetism to be gII/g A = -0.28 ± 0.28(stat.)±0.15(syst.) at a 1σ (68%) level.

本文言語English
ホスト出版物のタイトルProceedings of the 17th International Spin Physics Symposium
ページ230-233
ページ数4
DOI
出版ステータスPublished - 2007
イベント17th International Spin Physics Symposium - Kyoto, Japan
継続期間: 2006 10 22006 10 7

出版物シリーズ

名前AIP Conference Proceedings
915
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

Other17th International Spin Physics Symposium
CountryJapan
CityKyoto
Period06/10/206/10/7

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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