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Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel

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2019
Sirunyan_2019_MeasurementOfTheTopQuarkMass_CMS.pdf (826.9Kb)
Authors
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milenović, Predrag
Milošević, Jovan
Contributors
CMS Collaboration
CMS Collaboration (ukupan broj autora: 2285)
Article (Published version)
Metadata
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Abstract
A top quark mass measurement is performed using 35.9fb-1 of LHC proton–proton collision data collected with the CMS detector at s=13TeV. The measurement uses the t t ¯ all-jets final state. A kinematic fit is performed to reconstruct the decay of the t t ¯ system and suppress the multijet background. Using the ideogram method, the top quark mass (m t ) is determined, simultaneously constraining an additional jet energy scale factor (JSF). The resulting value of mt=172.34±0.20(stat+JSF)±0.70(syst)GeV is in good agreement with previous measurements. In addition, a combined measurement that uses the t t ¯ lepton+jets and all-jets final states is presented, using the same mass extraction method, and provides an m t measurement of 172.26±0.07(stat+JSF)±0.61(syst)GeV. This is the first combined m t extraction from the lepton+jets and all-jets channels through a single likelihood function. © 2019, CERN for the benefit of the CMS collaboration.
Source:
European Physical Journal C, 2019, 79, 4

DOI: 10.1140/epjc/s10052-019-6788-2

ISSN: 1434-6044; 1434-6052

PubMed: 31031568

WoS: 000463723300003

Scopus: 2-s2.0-85064056375
[ Google Scholar ]
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18
URI
https://vinar.vin.bg.ac.rs/handle/123456789/8142
Collections
  • Radovi istraživača
Institution/Community
Vinča
TY  - JOUR
AU  - Sirunyan, A. M.
AU  - Tumasyan, A.
AU  - Adam, W.
AU  - Ambrogi, F.
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Devetak, Damir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
AU  - Milošević, Jovan
PY  - 2019
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/8142
AB  - A top quark mass measurement is performed using 35.9fb-1 of LHC proton–proton collision data collected with the CMS detector at s=13TeV. The measurement uses the t t ¯ all-jets final state. A kinematic fit is performed to reconstruct the decay of the t t ¯ system and suppress the multijet background. Using the ideogram method, the top quark mass (m t ) is determined, simultaneously constraining an additional jet energy scale factor (JSF). The resulting value of mt=172.34±0.20(stat+JSF)±0.70(syst)GeV is in good agreement with previous measurements. In addition, a combined measurement that uses the t t ¯ lepton+jets and all-jets final states is presented, using the same mass extraction method, and provides an m t measurement of 172.26±0.07(stat+JSF)±0.61(syst)GeV. This is the first combined m t extraction from the lepton+jets and all-jets channels through a single likelihood function. © 2019, CERN for the benefit of the CMS collaboration.
T2  - European Physical Journal C
T1  - Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel
VL  - 79
IS  - 4
DO  - 10.1140/epjc/s10052-019-6788-2
ER  - 
@article{
author = "Sirunyan, A. M. and Tumasyan, A. and Adam, W. and Ambrogi, F. and Adžić, Petar and Ćirković, Predrag and Devetak, Damir and Đorđević, Miloš and Milenović, Predrag and Milošević, Jovan",
year = "2019",
abstract = "A top quark mass measurement is performed using 35.9fb-1 of LHC proton–proton collision data collected with the CMS detector at s=13TeV. The measurement uses the t t ¯ all-jets final state. A kinematic fit is performed to reconstruct the decay of the t t ¯ system and suppress the multijet background. Using the ideogram method, the top quark mass (m t ) is determined, simultaneously constraining an additional jet energy scale factor (JSF). The resulting value of mt=172.34±0.20(stat+JSF)±0.70(syst)GeV is in good agreement with previous measurements. In addition, a combined measurement that uses the t t ¯ lepton+jets and all-jets final states is presented, using the same mass extraction method, and provides an m t measurement of 172.26±0.07(stat+JSF)±0.61(syst)GeV. This is the first combined m t extraction from the lepton+jets and all-jets channels through a single likelihood function. © 2019, CERN for the benefit of the CMS collaboration.",
journal = "European Physical Journal C",
title = "Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel",
volume = "79",
number = "4",
doi = "10.1140/epjc/s10052-019-6788-2"
}
Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Adžić, P., Ćirković, P., Devetak, D., Đorđević, M., Milenović, P.,& Milošević, J.. (2019). Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel. in European Physical Journal C, 79(4).
https://doi.org/10.1140/epjc/s10052-019-6788-2
Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Adžić P, Ćirković P, Devetak D, Đorđević M, Milenović P, Milošević J. Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel. in European Physical Journal C. 2019;79(4).
doi:10.1140/epjc/s10052-019-6788-2 .
Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Adžić, Petar, Ćirković, Predrag, Devetak, Damir, Đorđević, Miloš, Milenović, Predrag, Milošević, Jovan, "Measurement of the top quark mass in the all-jets final state at √s=13TeV and combination with the lepton+jets channel" in European Physical Journal C, 79, no. 4 (2019),
https://doi.org/10.1140/epjc/s10052-019-6788-2 . .

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