Leptogenesis and neutrino masses

被引：3
|
作者：
Nardi, Enrico [1 ,2 ]
机构：
[1] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-100044 Frascati, Italy
[2] Univ Autonoma Madrid, Fac Ciencias, Dept Fis Teor, E-28049 Madrid, Spain
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2011年 / 217卷
关键词：
BARYOGENESIS; ASYMMETRY; VIOLATION; NUMBER; CP;
D O I：
10.1016/j.nuclphysbps.2011.04.059
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：
I review the connections between the leptogenesis performance in producing the cosmic baryon asymmetry, and the light neutrino masses generated via the seesaw mechanism. After a general introduction, I clarify under which assumptions leptogenesis can provide a reliable upper limit on the neutrino mass scale. Assuming these conditions hold, a dedicated numerical analysis that includes the effects of the Higgs density-asymmetry, scatterings with the top-quark, thermal corrections, and other subleading effects, yields a 3 sigma limit m(nu) < 0.10 eV.
引用
收藏
页码：27 / 32
页数：6
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