Stability, Higgs boson mass, and new physics.
作者： Vincenzo Branchina , Emanuele Messina
DOI: 10.1103/PHYSREVLETT.111.241801
关键词:
摘要: Assuming that the particle with mass $\ensuremath{\sim}126\text{ }\text{ }\mathrm{GeV}$ discovered at LHC is standard model Higgs boson, we find stability of electroweak (EW) vacuum strongly depends on new physics interaction Planck scale ${M}_{P}$, despite fact they are higher-dimensional interactions, apparently suppressed by inverse powers ${M}_{P}$. In particular, for present experimental values top and boson masses, if $\ensuremath{\tau}$ lifetime EW vacuum, can turn from $\ensuremath{\tau}\ensuremath{\gg}{T}_{U}$ to $\ensuremath{\tau}\ensuremath{\ll}{T}_{U}$, where ${T}_{U}$ age Universe, thus, weakening conclusions so called metastability scenario.
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