Magnus展开与三味中微子在介质中的振荡
高能物理 - 唯象学
2009-11-10 v3
摘要
我们基于三能级系统演化算子的Magnus近似，推导了三代方案下太阳中微子存活概率的半解析公式，假设中微子质量本征态之间存在质量层次。我们在近似中采用了太阳电子密度的指数型剖面。分析了在传播过程中出现的各种有趣密度区域。最后，针对允许的太阳中微子参数空间区域作了一些说明。
引用
@article{arxiv.hep-ph/0302017,
title = {Magnus Expansion and Three-Neutrino Oscillations in Matter},
author = {Alexis A. Aguilar-Arevalo and L. G. Cabral-Rosetti and J. C. D'Olivo},
journal= {arXiv preprint arXiv:hep-ph/0302017},
year = {2009}
}
备注
RevTex4 style, 5 pages including 5 figures. Presented at Mexican School of Astrophysics 2002, Guanajuato, Mexico, 31 Jul - 7 Aug 2002. Final version to appear in the Proceedings of IX Mexican Workshop on Particles and Fields Physics Beyond the Standard Model, Colima Col. Mexico, November 17-22, 2003