# 25th International Workshop on Deep Inelastic Scattering and Related Topics

Apr 3 – 7, 2017
University of Birmingham
Europe/London timezone

## Top quark mass measurements with CMS

Apr 4, 2017, 2:23 PM
22m
West Building Seminar Room 1

#### West Building Seminar Room 1

WG5) Physics with Heavy Flavours

### Speaker

Nataliia Kovalchuk (Hamburg University (DE))

### Description

Measurements of the top quark mass are presented, obtained from CMS data collected in proton proton collisions at the LHC at centre-of-mass energies of 7 TeV and 8 TeV. The mass of the top quark is measured using several methods and channels, including the reconstructed invariant mass distribution of the top quark, an analysis of endpoint spectra as well as measurements from shapes of top quark decay distributions. The dependence of the mass measurement on the kinematic phase space is investigated. The results of the various channels are combined and compared to the world average. The top mass and also $\alpha_{s}$ are extracted from the top pair cross section measured at CMS.

### Primary author

Pedro Vieira De Castro Ferreira Da Silva (CERN)