Speaker
Description
The top quark mass $m_t$ and the strong coupling constant $\alpha_s$ are key parameters of the standard model, but they are only known to a precision of 0.3--1%. Together, their values determine the stability of the EW vacuum within the framework of the standard model (i.e. no new particles or fields), but even the meaning of their measured values is under debate: for top quark mass the difference between so-called MC mass and pole mass, for $\alpha_s$ the difference between lattice QCD measurements and the LEP/LHC measurements.
I will present some recent measurements from CMS on jet cross sections and kinematic top quark mass reconstruction. I will also discuss prospects for future measurements and ideas on constraining theoretical uncertainties from data, to better understand the meaning of $m_t$ and $\alpha_s$.
