Measurement of the tt¯ production cross section using events with one lepton and at least one jet in pp collisions at s√ = 13 TeV

Open access
Author
CMS Collaboration
Sirunyan, Albert M.
Bachmair, Felix
Bäni, Lukas
Bianchini, Lorenzo
Casal, Bruno
Dissertori, Günther
Dittmar, Michael
Donegà, Mauro
Grab, Christoph
Heidegger, Constantin
Hits, Dmitry
Hoss, Jan
Kasieczka, Gregor
Lecomte, Pierre
Lustermann, Werner
Mangano, Boris
Marionneau, Matthieu
Martinez Ruiz del Arbol, Pablo
Masciovecchio, Mario
Meinhard, Maren T.
Meister, Daniel
Micheli, Francesco
Musella, Pasquale
Nessi-Tedaldi, Francesca
Pandolfi, Francesco
Pata, Joosep
Pauss, Felicitas
Perrin, Gaël
Perrozzi, Luca
Quittnat, Milena
Rossini, Marco
Schönenberger, Myriam
Starodumov, Andrey
Tavolaro, Vittorio R.
Theofilatos, Konstantinos
Wallny, Rainer
et al.
Date
2017-09Type
- Journal Article
Citations
Cited 7 times in
Web of Science
Cited 11 times in
Scopus
ETH Bibliography
yes
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Abstract
A measurement of the tt¯ production cross section at s√=13 TeV is presented using proton-proton collisions, corresponding to an integrated luminosity of 2.2 fb−1, collected with the CMS detector at the LHC. Final states with one isolated charged lepton (electron or muon) and at least one jet are selected and categorized according to the accompanying jet multiplicity. From a likelihood fit to the invariant mass distribution of the isolated lepton and a jet identified as coming from the hadronization of a bottom quark, the cross section is measured to be σtt¯=888±2,(stat)+26−28(syst)±20(lumi) pb, in agreement with the standard model prediction. Using the expected dependence of the cross section on the pole mass of the top quark (m t), the value of m t is found to be 170.6 ± 2.7 GeV. Show more
Permanent link
https://doi.org/10.3929/ethz-b-000192580Publication status
publishedJournal / series
Journal of High Energy PhysicsVolume
Pages / Article No.
Publisher
SpringerSubject
Hadron-Hadron scattering (experiments); Top physicsOrganisational unit
03593 - Dissertori, Günther / Dissertori, Günther
08803 - Grab, Christoph (Tit.Prof.)
03904 - Wallny, Rainer / Wallny, Rainer
03381 - Pauss, Felicitas (emeritus)
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Show all metadata
Citations
Cited 7 times in
Web of Science
Cited 11 times in
Scopus
ETH Bibliography
yes
Altmetrics