期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2013)140
关键词
Cosmology of Theories beyond the SM; Rare Decays; B-Physics
资金
- Russian Federation [NS-5590.2012.2]
- RFBR [11-02-01528a, 13-02-01127a]
- MSE [8412]
- STFC [ST/J000418/1, ST/G00045X/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/G00045X/1, ST/J000418/1] Funding Source: researchfish
We update the allowed parameter space of the simple chaotic inflationary model with quartic potential and light inflaton [1] taking into account recent results from cosmology (CMB observations from SPT, ACT and WMAP) and from particle physics (LHC hints of the SM Higgs boson). The non-minimal (yet small) coupling to gravity of the inflaton becomes essential to fit the observational data. The inflaton has mass above 300MeV and can be searched for at B-factories in B-meson two-body decays to kaon and inflaton. The inflaton lifetime depends on the model parameters, resulting in various inflaton signatures: either a missing energy, or a displaced vertex from the B-meson decay position, or a resonance in the Dalitz plot of a three particle decay. We also discuss the implementation of the inflaton model to the nu MSM, where the inflaton can be responsible for production of the dark matter sterile neutrino in the early Universe.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据