Alignment correlation term in mass A = 8 system and G-parity irregular term

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

Research output: Contribution to journalArticlepeer-review


The pure nuclear spin alignments of 8Li and 8B were produced from the nuclear spin polarization applying the β-NMR method. The alignment correlation terms in the β-ray angular distribution of the mirror pair 8Li and 8B were observed to limit the G parity irregular term in the weak nuclear current. The significant deviation due to the forbidden matrix elements between the alignment correlation terms and the β-α correlation terms was observed. The determination of the alignment correlation terms was essential to extract the G-parity violating induced tensor term without the influence of the forbidden term in the vector current.

Original languageEnglish
Pages (from-to)709-710
Number of pages2
JournalEuropean Physical Journal A
Issue numberSUPPL. 1
Publication statusPublished - 2005 Sep

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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