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2019•Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018)Open access

First measurements of top quark mass and other properties with Run-2 data in CMS

N. Kovalchuk

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Abstract

Measurements of top quark properties using data collected by the CMS experiment at 13 TeV are presented. The top quark mass is measured in the lepton+jets and all-jets channels. The results are consistent with the CMS measurements of Run-1. The top quark mass is also studied as a function of the event kinematical properties. For the first time at the LHC, the width of the top quark is directly probed during Run-2. The result constitutes the most precise direct bound of the top quark width performed to date.

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What this paper is about

Measurements of top quark properties using data collected by the CMS experiment at 13 TeV are presented. The top quark mass is measured in the lepton+jets and all-jets channels. The results are consistent with the CMS measurements of Run-1. The top quark mass is also studied as a function of the event kinematical properties. For the first time at the LHC, the width of the top quark is directly probed during Run-2. The result constitutes the most precise direct bound of the top quark width performed to date.

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Available abstract

Measurements of top quark properties using data collected by the CMS experiment at 13 TeV are presented. The top quark mass is measured in the lepton+jets and all-jets channels. The results are consistent with the CMS measurements of Run-1. The top quark mass is also studied as a function of the event kinematical properties. For the first time at the LHC, the width of the top quark is directly probed during Run-2. The result constitutes the most precise direct bound of the top quark width performed to date.

Key concepts: Top quark, Physics, Particle physics, Large Hadron Collider, Quark, Bottom quark, Lepton, Nuclear physics

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