通过质量-8系统中的β射线角分布测量检验守恒矢量流假说
核实验
2011-07-04 v1
摘要
为了检验守恒矢量流（CVC）假说，我们观测了8Li和8B自旋排列的β射线角关联。将排列关联项与已知的β-α角关联项结合，确定了对该关联项有贡献的所有矩阵元。由β射线关联项导出的弱磁项为7.5±0.2，与基于CVC假说由类似γ衰变测量导出的CVC预测值7.3±0.2一致。然而，对于与弱矢量流相关的二级禁戒项，没有一致的CVC预测。该二级禁戒项的实验值为1.0±0.3，而CVC预测值为0.1±0.4或2.1±0.5。
引用
@article{arxiv.1105.1584,
title = {Test of the Conserved Vector Current Hypothesis by beta-ray Angular Distribution Measurement in the Mass-8 System},
author = {T. Sumikama and K. Matsuta and T. Nagatomo and M. Ogura and T. Iwakoshi and Y. Nakashima and H. Fujiwara and M. Fukuda and M. Mihara and K. Minamisono and T. Yamaguchi and T. Minamisono},
journal= {arXiv preprint arXiv:1105.1584},
year = {2011}
}
备注
31 pages, 12 figures, Accepted for publication in Phys. Rev. C