Majorana中子的无定向箭理论
Un-oriented Quiver Theories for Majorana Neutrons
摘要：
在非定向开放的弦论的背景下，我们确定颤抖，其中一个马约拉纳质量的中子是间接产生的奇异瞬子。本文讨论了两类（Susy）标准模型类箭图，这两类箭图依赖于SU（2）W在Chan-Paton群中的嵌入.在这两种情况下，主要机制涉及通过非微扰质量项的类矢量对混合。我们还讨论了在这些模型中中子-反中子振荡现象与LHC物理之间的可能关系。特别是，一对矢量样的三重色标量或三重色费米子可以直接在大型强子对撞机上被检测到，这与n- \bar{n}的极限是一致的。最后，我们简要地评论我们的模型的Pati-Salam扩展。
英文摘要：
In the context of un-oriented open string theories, we identify quivers whereby a Majorana mass for the neutron is indirectly generated by exotic instantons. We discuss two classes of (Susy) Standard Model like quivers, depending on the embedding of SU(2)_W in the Chan-Paton group. In both cases, the main mechanism involves a vector-like pair mixing through a non-perturbative mass term. We also discuss possible relations between the phenomenology of Neutron-Antineutron oscillations and LHC physics in these models. In particular, a vector-like pair of color-triplet scalars or color-triplet fermions could be directly detected at LHC, compatibly with n-\bar{n} limits. Finally we briefly comment on Pati-Salam extensions of our models.
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