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Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te

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2020
Main article [PDF] (1.286Mb)
Authors
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Bergauer, T.
Adžić, Petar
Ćirković, Predrag
Devetak, Damir
Đorđević, Miloš
Milenović, Predrag
Milošević, Jovan
Stojanović, Milan
Contributors
CMS Collaboration
Article (Published version)
,
© 2020 CERN. for the benefit of the CMS Collaboration
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Abstract
A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13Te by the CMS experiment at the LHC. From a data set corresponding to an integrated luminosity of 35.9fb-1, events containing one muon or electron and two or three jets are analysed. The cross section is measured as a function of the top quark transverse momentum (pT), rapidity, and polarisation angle, the charged lepton pT and rapidity, and the pT of the W boson from the top quark decay. In addition, the charge ratio is measured differentially as a function of the top quark, charged lepton, and W boson kinematic observables. The results are found to be in agreement with standard model predictions using various next-to-leading-order event generators and sets of parton distribution functions. Additionally, the spin asymmetry, sensitive to the top quark polarisation, is determined from the differential distribution o...f the polarisation angle at parton level to be 0.440 ± 0.070 , in agreement with the standard model prediction.

Source:
European Physical Journal C, 2020, 80, 5, 370-
Note:
  • CMS Collaboration (ukupan broj autora: 2339)

DOI: 10.1140/epjc/s10052-020-7858-1

ISSN: 1434-6044

WoS: 000534232700010

Scopus: 2-s2.0-85084861861
[ Google Scholar ]
15
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URI
https://vinar.vin.bg.ac.rs/handle/123456789/9000
Collections
  • Radovi istraživača
Institution/Community
Vinča
TY  - JOUR
AU  - Sirunyan, A. M.
AU  - Tumasyan, A.
AU  - Adam, W.
AU  - Ambrogi, F.
AU  - Bergauer, T.
AU  - Adžić, Petar
AU  - Ćirković, Predrag
AU  - Devetak, Damir
AU  - Đorđević, Miloš
AU  - Milenović, Predrag
AU  - Milošević, Jovan
AU  - Stojanović, Milan
PY  - 2020
UR  - https://vinar.vin.bg.ac.rs/handle/123456789/9000
AB  - A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13Te by the CMS experiment at the LHC. From a data set corresponding to an integrated luminosity of 35.9fb-1, events containing one muon or electron and two or three jets are analysed. The cross section is measured as a function of the top quark transverse momentum (pT), rapidity, and polarisation angle, the charged lepton pT and rapidity, and the pT of the W boson from the top quark decay. In addition, the charge ratio is measured differentially as a function of the top quark, charged lepton, and W boson kinematic observables. The results are found to be in agreement with standard model predictions using various next-to-leading-order event generators and sets of parton distribution functions. Additionally, the spin asymmetry, sensitive to the top quark polarisation, is determined from the differential distribution of the polarisation angle at parton level to be 0.440 ± 0.070 , in agreement with the standard model prediction.
T2  - European Physical Journal C
T1  - Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te
VL  - 80
IS  - 5
SP  - 370
DO  - 10.1140/epjc/s10052-020-7858-1
ER  - 
@article{
author = "Sirunyan, A. M. and Tumasyan, A. and Adam, W. and Ambrogi, F. and Bergauer, T. and Adžić, Petar and Ćirković, Predrag and Devetak, Damir and Đorđević, Miloš and Milenović, Predrag and Milošević, Jovan and Stojanović, Milan",
year = "2020",
abstract = "A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13Te by the CMS experiment at the LHC. From a data set corresponding to an integrated luminosity of 35.9fb-1, events containing one muon or electron and two or three jets are analysed. The cross section is measured as a function of the top quark transverse momentum (pT), rapidity, and polarisation angle, the charged lepton pT and rapidity, and the pT of the W boson from the top quark decay. In addition, the charge ratio is measured differentially as a function of the top quark, charged lepton, and W boson kinematic observables. The results are found to be in agreement with standard model predictions using various next-to-leading-order event generators and sets of parton distribution functions. Additionally, the spin asymmetry, sensitive to the top quark polarisation, is determined from the differential distribution of the polarisation angle at parton level to be 0.440 ± 0.070 , in agreement with the standard model prediction.",
journal = "European Physical Journal C",
title = "Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te",
volume = "80",
number = "5",
pages = "370",
doi = "10.1140/epjc/s10052-020-7858-1"
}
Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Bergauer, T., Adžić, P., Ćirković, P., Devetak, D., Đorđević, M., Milenović, P., Milošević, J.,& Stojanović, M.. (2020). Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te. in European Physical Journal C, 80(5), 370.
https://doi.org/10.1140/epjc/s10052-020-7858-1
Sirunyan AM, Tumasyan A, Adam W, Ambrogi F, Bergauer T, Adžić P, Ćirković P, Devetak D, Đorđević M, Milenović P, Milošević J, Stojanović M. Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te. in European Physical Journal C. 2020;80(5):370.
doi:10.1140/epjc/s10052-020-7858-1 .
Sirunyan, A. M., Tumasyan, A., Adam, W., Ambrogi, F., Bergauer, T., Adžić, Petar, Ćirković, Predrag, Devetak, Damir, Đorđević, Miloš, Milenović, Predrag, Milošević, Jovan, Stojanović, Milan, "Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s=13Te" in European Physical Journal C, 80, no. 5 (2020):370,
https://doi.org/10.1140/epjc/s10052-020-7858-1 . .

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