Nondegeneracy of massive neutrinos and elastic interactions in the dark sector

被引：1
作者：
Jimenez, Jose Beltran [1 ,2 ]
Figueruelo, David [1 ,2 ]
Pannia, Florencia Anabella Teppa [3 ]
机构：
[1] Univ Salamanca, Dept Fis Fundamental, E-37008 Salamanca, Spain
[2] Univ Salamanca, IUFFyM, E-37008 Salamanca, Spain
[3] Univ Politecn Madrid, Dept Matemat Aplicada Ingn Ind, E-28006 Madrid, Spain
来源：
PHYSICAL REVIEW D | 2024年 / 110卷 / 02期
关键词：
COSMOLOGICAL PARAMETER CONSTRAINTS; BARYON ACOUSTIC-OSCILLATIONS; ANISOTROPIC POWER SPECTRUM; GALAXY SAMPLE; HIGH-REDSHIFT; GROWTH-RATE; SCATTERING; ENERGY; BAO;
D O I：
10.1103/PhysRevD.110.023527
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Cosmological models featuring an elastic interaction in the dark sector have been shown to provide a promising scenario for alleviating the 68 tension. A natural question for these scenarios is whether there could be a degeneracy between the interaction and massive neutrinos since they suppress structures in a similar manner. In this work we investigate the presence of such a degeneracy and show that the two effects do not exhibit strong correlations.
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页数：12
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