Most constraining cosmological neutrino mass bounds

被引：80

作者：

Di Valentino, Eleonora ^{[1
]}

Gariazzo, Stefano ^{[2
]}

Mena, Olga ^{[3
]}

机构：

[1] Univ Durham, Inst Particle Phys Phenomenol, Dept Phys, Durham DH1 3LE, England

[2] Ist Nazl Fis Nucl INFN, Sez Torino, Via P Giuria 1, I-10125 Turin, Italy

[3] Univ Valencia, Inst Fis Corpuscular IFIC, CSIC, Parc Cientif UV,C Catedrat Jose Beltran 2, E-46980 Paterna, Spain

来源：

PHYSICAL REVIEW D | 2021年 / 104卷 / 08期

基金：

欧盟地平线“2020”;

关键词：

OSCILLATION SPECTROSCOPIC SURVEY; ANISOTROPIC POWER SPECTRUM; SAMPLE; BAYES; BAO;

D O I：

10.1103/PhysRevD.104.083504

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present here up-to-date neutrino mass limits exploiting the most recent cosmological data sets. By making use of the cosmic microwave background temperature fluctuation and polarization measurements, supernovae Ia luminosity distances, baryon acoustic oscillation observations and determinations of the growth rate parameter, we are able to set the most constraining bound to date, Sigma m(v) < 0.09 eV at 95% C.L. This very tight limit is obtained without the assumption of any prior on the value of the Hubble constant and highly compromises the viability of the inverted mass ordering as the underlying neutrino mass pattern in nature. The results obtained here further strengthen the case for very large multitracer spectroscopic surveys as unique laboratories for cosmological relics, such as neutrinos: that would be the case of the Dark Energy Spectroscopic Instrument survey and of the Euclid mission.

引用

页数：7

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