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

doi:10.1140/epjad/i2005-06-075-3

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

SCI - Physics

Research output: Contribution to journal › Article › peer-review

Abstract

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 language	English
Pages (from-to)	709-710
Number of pages	2
Journal	European Physical Journal A
Volume	25
Issue number	SUPPL. 1
DOIs	https://doi.org/10.1140/epjad/i2005-06-075-3
Publication status	Published - 2005 Sep

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1140/epjad/i2005-06-075-3

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Alignment correlation term in mass A = 8 system and G-parity irregular term. / Sumikama, T.; Iwakoshi, T.; Nagatomo, T.; Ogura, M.; Nakashima, Y.; Fujiwara, H.; Matsuta, K.; Minamisono, T.; Mihara, M.; Fukuda, M.; Minamisono, K.; Yamaguchi, T.

In: European Physical Journal A, Vol. 25, No. SUPPL. 1, 09.2005, p. 709-710.

Research output: Contribution to journal › Article › peer-review

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abstract = "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.",

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AU - Sumikama, T.

AU - Iwakoshi, T.

AU - Nagatomo, T.

AU - Ogura, M.

AU - Nakashima, Y.

AU - Fujiwara, H.

AU - Matsuta, K.

AU - Minamisono, T.

AU - Mihara, M.

AU - Fukuda, M.

AU - Minamisono, K.

AU - Yamaguchi, T.

PY - 2005/9

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AB - 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.

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