费米子R \nuMDM及其标量变体的批判
Critique of Fermionic R\nuMDM and its Scalar Variants
摘要：
我们研究了最小暗物质（MDM）候选粒子在参与辐射中微子（Rν）质量的设置中的稳定性。首先指出在最近提出的R \nuMDM拉格朗日量中存在一个额外的可重整化项，它违反了所声称的偶然Z_2对称性，破坏了费米子MDM五重态分量的稳定性.然后，我们探索R $ν$ MDM变体基于标量MDM多重峰的可行性。标量势中普遍存在超重整化项，使标量多重态不稳定。
英文摘要：
We examine the stability of minimal dark matter (MDM) particle-candidates in the setup in which they participate in radiative neutrino (Rν) masses. We first point out the existence of an additional renormalizable term in recently proposed R\nuMDM Lagrangian, which violates the claimed accidental Z_2 symmetry and spoils the stability of the fermionic MDM quintuplet component. We then explore the viability of R$ν$MDM variants based on scalar MDM multiplets. There are ubiquitous super-renormalizable terms in the scalar potential which make these scalar multiplets unstable.
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