新的物理和物质化学组成的信号在核心穿越中微子
Signal of New Physics and Chemical Composition of Matter in Core Crossing Neutrinos
摘要:
我们考虑了中微子穿过地核时的味转换中的非标准物质效应。我们表明,具有$E \gsim 0.5$ GeV的核心穿越中微子的振荡可以很好地用一阶微扰理论描述。我们发现,由于非标准物质效应,地球上不同的化学成分可以100%地改变中微子的味道转换。特别强调了CP破坏相位在非标准中性电流相互作用中的作用。
英文摘要:
We consider non-standard matter effect in flavor conversion of neutrinos crossing the core of the Earth. We show that oscillation of core crossing neutrinos with $E \gsim 0.5$ GeV can be well described by a first order perturbation theory. We show that due to non-standard matter effect varying chemical composition in the Earth can modify the neutrino flavor conversion by 100%. Effects of CP violating phases in non-standard Neutral Current interactions are emphasized in particular.
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