一个$Z'$模型和暗费米子候选者的磁性
A $Z'$-model and the magnetism of a dark fermion candidate
摘要：
我们的贡献开始调查的规范模型的基础上的$SU_{L}(2) \times U_{R}(1)_{Q} \times U(1)_{Q'}$对称群的现象。该模型可以容纳，通过它的破坏性模式，在TeV尺度的重$Z'$ -玻色子的候选人。扩展的希格斯扇区引入了一个重标量，其质量位于$1.2-3.7 \, \mbox{TeV}$区域。费米子区包含一个暗物质的外来候选者，它与希格斯区的右手中微子成分混合，因此整个场的内容确保了$U(1)$ -quiral异常的消除。根据对称性破缺发生的特定方式，质量是固定的。鉴于可能的对称性破坏模式，我们研究了高能情景下的唯象意义。计算了奇异费米子的磁偶极动量（MDM）以及由于它与右中微子混合而引起的跃迁MDM。
英文摘要：
Our contribution sets out to investigate the phenomenology of a gauge model based on an $SU_{L}(2) \times U_{R}(1)_{Q} \times U(1)_{Q'}$-symmetry group. The model can accommodate, through its symmetry-breaking pattern, a candidate to a heavy $Z'$-boson at the TeV-scale. The extended Higgs sector introduces a heavy scalar whose mass lies in the region $1.2-3.7 \, \mbox{TeV}$. The fermion sector includes an exotic candidate to Dark Matter that mixes with the right-handed neutrino component in the Higgs sector, so that the whole field content ensures the cancellation of the $U(1)$-quiral anomaly. The masses are fixed according to the particular way the symmetry breaking takes place. In view of the possible symmetry breakdown pattern, we study the phenomenological implications in a high-energy scenario. We worek out the magnetic dipole momentum (MDM) of the exotic fermion and the transition MDM due to its mixing with the right-neutrino.
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