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arXiv 0804.0454hep-phnucl-th
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6 × 6矩阵方法中的无菌中微子

Sterile Neutrinos in a 6x6 Matrix Approach

T. Goldman

摘要:

夸克-轻子对称性使我们不得不考虑惰性中微子的存在。很久以前,我们证明了这种方法预测了大的中微子混合振幅。使用外尔旋量的方法,我们显示,在一个分析的例子中,如何这一点,伪狄拉克配对,可以发展在一个降低等级的版本,传统的跷跷板机制,从小的内在混合强度。我们通过数值例子表明,活跃和不育中微子的混合可以影响振荡的结构,从中微子振荡数据中提取中微子混合参数。

英文摘要:

Quark-lepton symmetry invites consideration of the existence of sterile neutrinos. Long ago, we showed that this approach predicts large neutrino mixing amplitudes. Using a Weyl spinor approach, we show, in an analytic example, how this, and pseudo-Dirac pairing, can develop within a reduced rank version of the conventional see-saw mechanism, from small intrinsic mixing strengths. We show by numerical examples that mixing of active and sterile neutrinos can affect the structure of oscillations relevant to extraction of neutrino mixing parameters from neutrino oscillation data.

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