Massive neutrinos and dark energy

被引：1

作者：

Serra, Paolo

Bean, Rachel

De La Macorra, Axel

Melchiorri, Alessandro

机构：

[1] Univ Roma La Sapienza, Dept Phys, Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy

[2] Cornell Univ, Dept Astron, Ithaca, NY 14853 USA

[3] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2007年 / 168卷

关键词：

D O I：

10.1016/j.nuclphysbps.2007.02.050

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

Recently, the Heidelberg- Moscow double beta decay experiment has claimed a detection for a neutrino mass with high significance. Here we consider the impact of this measurement on the determination of the dark energy equation of state. By combining the Heidelberg-Moscow result with the WMAP 3-years data and other cosmological datasets we constrain the equation of state to -1.67 < w < -1.05 at 95% c.l., ruling out a cosmological constant at more than 95% c.l.. Interestingly enough, coupled neutrino-dark energy models may be consistent with such equation of state. While future data are certainly needed for a confirmation of the controversial Heildelberg Moscow claim, our result shows that future laboratory searches for neutrino masses may play a crucial role in the determination of the dark energy properties.

引用

页码：31 / 33

页数：3

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