Measurement of the top quark pole mass using tt¯+jet events in the dilepton final state in proton-proton collisions at s = 13 TeV

The CMS collaboration cms-publication-committee-chair@cern.ch

doi:10.1007/JHEP07(2023)077

Measurement of the top quark pole mass using tt¯+jet events in the dilepton final state in proton-proton collisions at s = 13 TeV

The CMS collaboration [email protected]

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9 Citas (Scopus)

Resumen

A measurement of the top quark pole mass m_t^pole in events where a top quark-antiquark pair (tt¯) is produced in association with at least one additional jet (tt¯+jet) is presented. This analysis is performed using proton-proton collision data at s = 13 TeV collected by the CMS experiment at the CERN LHC, corresponding to a total integrated luminosity of 36.3 fb⁻¹. Events with two opposite-sign leptons in the final state (e⁺e⁻, μ⁺μ⁻, e^±μ^∓) are analyzed. The reconstruction of the main observable and the event classification are optimized using multivariate analysis techniques based on machine learning. The production cross section is measured as a function of the inverse of the invariant mass of the tt¯+jet system at the parton level using a maximum likelihood unfolding. Given a reference parton distribution function (PDF), the top quark pole mass is extracted using the theoretical predictions at next-to-leading order. For the ABMP16NLO PDF, this results in m_t^pole = 172.93 ± 1.36 GeV.

Idioma original	Inglés
Número de artículo	77
Publicación	Journal of High Energy Physics
Volumen	2023
N.º	7
DOI	https://doi.org/10.1007/JHEP07(2023)077
Estado	Publicada - jul 2023

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title = "Measurement of the top quark pole mass using tt¯+jet events in the dilepton final state in proton-proton collisions at s = 13 TeV",

abstract = "A measurement of the top quark pole mass mtpole in events where a top quark-antiquark pair (tt¯) is produced in association with at least one additional jet (tt¯+jet) is presented. This analysis is performed using proton-proton collision data at s = 13 TeV collected by the CMS experiment at the CERN LHC, corresponding to a total integrated luminosity of 36.3 fb−1. Events with two opposite-sign leptons in the final state (e+e−, μ+μ−, e±μ∓) are analyzed. The reconstruction of the main observable and the event classification are optimized using multivariate analysis techniques based on machine learning. The production cross section is measured as a function of the inverse of the invariant mass of the tt¯+jet system at the parton level using a maximum likelihood unfolding. Given a reference parton distribution function (PDF), the top quark pole mass is extracted using the theoretical predictions at next-to-leading order. For the ABMP16NLO PDF, this results in mtpole = 172.93 ± 1.36 GeV.",

keywords = "Hadron-Hadron Scattering, Top Physics",

author = "\{The CMS collaboration [email protected]\} and A. Tumasyan and W. Adam and Andrejkovic, \{J. W.\} and T. Bergauer and S. Chatterjee and K. Damanakis and M. Dragicevic and \{Escalante Del Valle\}, A. and Hussain, \{P. S.\} and M. Jeitler and N. Krammer and L. Lechner and D. Liko and I. Mikulec and P. Paulitsch and Pitters, \{F. M.\} and J. Schieck and R. Sch{\"o}fbeck and D. Schwarz and S. Templ and W. Waltenberger and Wulz, \{C. E.\} and Darwish, \{M. R.\} and T. Janssen and T. Kello and \{Rejeb Sfar\}, H. and \{Van Mechelen\}, P. and Bols, \{E. S.\} and J. D{\textquoteright}Hondt and \{De Moor\}, A. and M. Delcourt and \{El Faham\}, H. and S. Lowette and S. Moortgat and A. Morton and D. M{\"u}ller and Sahasransu, \{A. R.\} and S. Tavernier and \{Van Doninck\}, W. and D. Vannerom and B. Clerbaux and \{De Lentdecker\}, G. and L. Favart and D. Hohov and J. Jaramillo and K. Lee and M. Mahdavikhorrami and I. Makarenko and A. Malara and \{Carrera Jarrin\}, E.",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2023.",

year = "2023",

month = jul,

doi = "10.1007/JHEP07(2023)077",

language = "Ingl{\'e}s",

volume = "2023",

journal = "Journal of High Energy Physics",

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AU - The CMS collaboration [email protected]

AU - Tumasyan, A.

AU - Adam, W.

AU - Andrejkovic, J. W.

AU - Bergauer, T.

AU - Chatterjee, S.

AU - Damanakis, K.

AU - Dragicevic, M.

AU - Escalante Del Valle, A.

AU - Hussain, P. S.

AU - Jeitler, M.

AU - Krammer, N.

AU - Lechner, L.

AU - Liko, D.

AU - Mikulec, I.

AU - Paulitsch, P.

AU - Pitters, F. M.

AU - Schieck, J.

AU - Schöfbeck, R.

AU - Schwarz, D.

AU - Templ, S.

AU - Waltenberger, W.

AU - Wulz, C. E.

AU - Darwish, M. R.

AU - Janssen, T.

AU - Kello, T.

AU - Rejeb Sfar, H.

AU - Van Mechelen, P.

AU - Bols, E. S.

AU - D’Hondt, J.

AU - De Moor, A.

AU - Delcourt, M.

AU - El Faham, H.

AU - Lowette, S.

AU - Moortgat, S.

AU - Morton, A.

AU - Müller, D.

AU - Sahasransu, A. R.

AU - Tavernier, S.

AU - Van Doninck, W.

AU - Vannerom, D.

AU - Clerbaux, B.

AU - De Lentdecker, G.

AU - Favart, L.

AU - Hohov, D.

AU - Jaramillo, J.

AU - Lee, K.

AU - Mahdavikhorrami, M.

AU - Makarenko, I.

AU - Malara, A.

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N2 - A measurement of the top quark pole mass mtpole in events where a top quark-antiquark pair (tt¯) is produced in association with at least one additional jet (tt¯+jet) is presented. This analysis is performed using proton-proton collision data at s = 13 TeV collected by the CMS experiment at the CERN LHC, corresponding to a total integrated luminosity of 36.3 fb−1. Events with two opposite-sign leptons in the final state (e+e−, μ+μ−, e±μ∓) are analyzed. The reconstruction of the main observable and the event classification are optimized using multivariate analysis techniques based on machine learning. The production cross section is measured as a function of the inverse of the invariant mass of the tt¯+jet system at the parton level using a maximum likelihood unfolding. Given a reference parton distribution function (PDF), the top quark pole mass is extracted using the theoretical predictions at next-to-leading order. For the ABMP16NLO PDF, this results in mtpole = 172.93 ± 1.36 GeV.

AB - A measurement of the top quark pole mass mtpole in events where a top quark-antiquark pair (tt¯) is produced in association with at least one additional jet (tt¯+jet) is presented. This analysis is performed using proton-proton collision data at s = 13 TeV collected by the CMS experiment at the CERN LHC, corresponding to a total integrated luminosity of 36.3 fb−1. Events with two opposite-sign leptons in the final state (e+e−, μ+μ−, e±μ∓) are analyzed. The reconstruction of the main observable and the event classification are optimized using multivariate analysis techniques based on machine learning. The production cross section is measured as a function of the inverse of the invariant mass of the tt¯+jet system at the parton level using a maximum likelihood unfolding. Given a reference parton distribution function (PDF), the top quark pole mass is extracted using the theoretical predictions at next-to-leading order. For the ABMP16NLO PDF, this results in mtpole = 172.93 ± 1.36 GeV.

KW - Hadron-Hadron Scattering

KW - Top Physics

UR - https://www.scopus.com/pages/publications/85170091565

U2 - 10.1007/JHEP07(2023)077

DO - 10.1007/JHEP07(2023)077

M3 - Artículo

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SN - 1126-6708

VL - 2023

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 7

M1 - 77

ER -

Measurement of the top quark pole mass using tt¯+jet events in the dilepton final state in proton-proton collisions at s = 13 TeV

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