再探Just-So太阳中微子振荡
高能物理 - 唯象学
2010-01-06 v3
摘要
我们重新审视“Just-So”太阳中微子振荡,用距离变化角度为π/2时的能量E_{π/2}来表征它们,而不是通常的Δm²。SuperKamiokande最近观测到的上升谱与E_{π/2}~6-9 MeV一致,与48 MeV勉强一致。pp中微子必须减少到标准太阳模型预测的一半,而⁷Be中微子必须构成SAGE和GALLEX镓信号的重要部分。对于接近9和48 MeV的E_{π/2},⁷Be中微子还将表现出大的季节性变化,这强调了直接测量⁷Be中微子的重要性。
引用
@article{arxiv.hep-ph/9809508,
title = {Another Look at Just-So Solar Neutrino Oscillations},
author = {James M. Gelb and S. P. Rosen},
journal= {arXiv preprint arXiv:hep-ph/9809508},
year = {2010}
}
备注
3 pages, 3 figures; accepted as Phys Rev D, Rapid Communication. Name change, trivial typographical changes. Remove the incorrect statement that our results are inconsistent with model-independent analyses of solar neutrino capture rates