Alignment correlation term in the β-ray angular distribution from spin aligned 20Na

K. Minamisono, K. Matsuta, T. Minamisono, C. D.P. Levy, T. Nagatomo, M. Ogura, T. Sumikama, J. A. Behr, K. P. Jackson, H. Fujiwara, M. Mihara, M. Fukuda

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Abstract

The alignment correlation term in the β-ray angular distribution from nuclear-spin aligned 20Na(Iπ = 2+, T1/2 = 449.7 ms) has been measured for the first time. A large enhancement of the time component d in the main axial vector current was preliminarily obtained and the higher order matrices j2 and j3 were also evaluated. In order to extract very small G-parity violating induced tensor term, the alignment correlation term of the mirror partner 20F have to be measured.

Original languageEnglish
Pages (from-to)673-676
Number of pages4
JournalNuclear Physics A
Volume746
Issue number1-4 SPEC.ISS.
DOIs
Publication statusPublished - 2004 Dec 27

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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    Minamisono, K., Matsuta, K., Minamisono, T., Levy, C. D. P., Nagatomo, T., Ogura, M., Sumikama, T., Behr, J. A., Jackson, K. P., Fujiwara, H., Mihara, M., & Fukuda, M. (2004). Alignment correlation term in the β-ray angular distribution from spin aligned 20Na. Nuclear Physics A, 746(1-4 SPEC.ISS.), 673-676. https://doi.org/10.1016/j.nuclphysa.2004.09.049