Sterile neutrino constraints from cosmology

被引：1
作者：
Hamann, Jan [1 ]
Hannestad, Steen [1 ]
Raffelt, Georg G. [2 ]
Tamborra, Irene [2 ]
Wong, Yvonne Y. Y. [3 ]
机构：
[1] Univ Aarhus, Dept Phys & Astron, DK-8000 Aarhus C, Denmark
[2] Max Planck Inst Phys & Astrophys, Werner Heisenberg Inst, D-80805 Munich, Germany
[3] Rhein Westfal TH Aachen, Inst Theoret Teilchenphys & Kosmol, D-52056 Aachen, Germany
来源：
12TH INTERNATIONAL CONFERENCE ON TOPICS IN ASTROPARTICLE AND UNDERGROUND PHYSICS (TAUP 2011), PTS 1-6 | 2012年 / 375卷
关键词：
HUBBLE-SPACE-TELESCOPE; POWER SPECTRUM; POLARIZATION;
D O I：
10.1088/1742-6596/375/1/032003
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The presence of light particles beyond the standard model's three neutrino species can profoundly impact the physics of decoupling and primordial nucleosynthesis. I review the observational signatures of extra light species, present constraints from recent data, and discuss the implications of possible sterile neutrinos with O(eV)-masses for cosmology.
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页数：4
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