中文

中性双β衰变实验中的太阳振荡子背景

高能物理 - 唯象学 2007-05-23 v1

摘要

计算了氦和氘探测器由于8B{{8}B}太阳振荡子与电子的弹性散射所产生的背景。该背景为4.6×1044.6 \times 10^{-4} counts/(keVt\cdot t\cdoty),这决定了双β衰变实验的灵敏度水平为T1/20νββ4×1027T^{0\nu\beta\beta}_{1/2} \approx 4\times10^{27} {yr},这对应有效的Majorana质量<mνe>23.5 \mid < m_{\nu_e}>\mid \approx 23.5 meV。在自然氘探测器进行半年测量后即可得到这一限值。

关键词

引用

@article{arxiv.hep-ph/0407156,
  title  = {Solar Neutrino Background in Neutrinoless double beta-decay searching for experiments},
  author = {Alexander A. Klimenko},
  journal= {arXiv preprint arXiv:hep-ph/0407156},
  year   = {2007}
}

备注

3 pages, 2 figures Talk given at LIV International Meeting on Nuclear Spectroscopy and Nuclear Structure "NUCLEUS-2004" June 22-25, 2004, Belgorod, Russia Section #6 Fundamental Interactions in Nuclear Physics Formula correction