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Perturbativity limits for scalar minimal dark matter with Yukawa interactions: Septuplet
Cai, CF; Huang, ZM; Kang, ZF; Yu, ZH; Zhang, HH; Yu ZH(余钊焕)
2015
发表期刊PHYSICAL REVIEW D
卷号92期号:11页码:115004
文章类型Article
摘要The candidate of minimal dark matter (MDM) is limited if one demands perturbativity up to a very high scale, and it was believed that the MDM model with a real scalar septuplet could keep perturbative up to the Planck or grand unified theory scale. In this work we point out that it is not true after taking into account the running of the quartic self-couplings of the scalar septuplet. For the septuplet mass around 10 TeV, which is suggested by the observed dark matter relic abundance, these couplings would hit the Landau pole at a scale similar to 10(8)-10(9) GeV, much lower than the Planck scale. We attempt to push up the Landau pole scale as high as possible by proposing an extension with extra Yukawa interactions of the septuplet. We find that in principle the Landau pole could be deferred to a scale of similar to 10(14) GeV if one could tolerate a serious fine-tuning of the initial condition of the Yukawa coupling. Moreover, if the MDM particle mass could be relaxed to similar to 10(8) GeV, which would need some nonthermal production mechanisms to give a correct relic abundance, the Landau pole scale could be pushed up above the Planck scale.
学科领域Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.92.115004
收录类别SCI
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000366096200004
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228852
专题粒子天体物理中心
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GB/T 7714
Cai, CF,Huang, ZM,Kang, ZF,et al. Perturbativity limits for scalar minimal dark matter with Yukawa interactions: Septuplet[J]. PHYSICAL REVIEW D,2015,92(11):115004.
APA Cai, CF,Huang, ZM,Kang, ZF,Yu, ZH,Zhang, HH,&余钊焕.(2015).Perturbativity limits for scalar minimal dark matter with Yukawa interactions: Septuplet.PHYSICAL REVIEW D,92(11),115004.
MLA Cai, CF,et al."Perturbativity limits for scalar minimal dark matter with Yukawa interactions: Septuplet".PHYSICAL REVIEW D 92.11(2015):115004.
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