论文标题
用大规模结构的有效田间理论来限制腐烂的暗物质
Constraining decaying dark matter with the effective field theory of large-scale structure
论文作者
论文摘要
我提出了对腐烂的冷暗物质（DCDM）模型的第一个约束，这要归功于应用于Boss-DR12数据的大型结构（EFTOFLSS）的有效现场理论。我考虑了DCDM的两个现象学模型：i）一个模型，其中冷暗物质（CDM）的分数$ f _ {\ rm dcdm} $带有寿命$τ$的暗辐射（DR）； ii）一种模型（最近被认为是$ s_8 $张力的潜在分辨率），其中所有CDM都以终身$τ$腐烂到DR和大量温暖的暗物质（WDM）粒子，分数$ \ varepsilon $的CDM REST MOSS ENESS的分数转移到了DR上。我讨论了EFTOFLSS约束对DCDM模型的含义，该模型建议解决$ S_8 $张力。
I present the first constraints on decaying cold dark matter (DCDM) models thanks to the effective field theory of large-scale structure (EFTofLSS) applied to BOSS-DR12 data. I consider two phenomenological models of DCDM: i) a model where a fraction $f_{\rm dcdm}$ of cold dark matter (CDM) decays into dark radiation (DR) with a lifetime $τ$; ii) a model (recently suggested as a potential resolution to the $S_8$ tension) where all the CDM decays with a lifetime $τ$ into DR and a massive warm dark matter (WDM) particle, with a fraction $\varepsilon$ of the CDM rest mass energy transferred to the DR. I discuss the implications of the EFTofLSS constraints for the DCDM model suggested to resolve the $S_8$ tension.
