Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV

The CMS collaboration

doi:10.1016/j.physletb.2023.137703

Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV

The CMS collaboration

研究成果: 雜誌貢獻 › 期刊論文 › 同行評審

3 引文斯高帕斯（Scopus）

摘要

The measurement of the charge asymmetry in top quark pair events with highly Lorentz-boosted top quarks decaying to a single lepton and jets is presented. The analysis is performed using proton-proton collisions at s=13TeV with the CMS detector at the LHC and corresponding to an integrated luminosity of 138 fb⁻¹. The selection is optimized for top quarks produced with large Lorentz boosts, resulting in nonisolated leptons and overlapping jets. The top quark charge asymmetry is measured for events with a tt¯ invariant mass larger than 750 GeV and corrected for detector and acceptance effects using a binned maximum likelihood fit. The measured top quark charge asymmetry of (0.42_−0.69^+0.64)% is in good agreement with the standard model prediction at next-to-next-to-leading order in quantum chromodynamic perturbation theory with next-to-leading-order electroweak corrections. The result is also presented for two invariant mass ranges, 750–900 and >900GeV.

原文	???core.languages.en_GB???
文章編號	137703
期刊	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
卷	846
DOIs	https://doi.org/10.1016/j.physletb.2023.137703
出版狀態	已出版 - 10 11月 2023

存取文件

10.1016/j.physletb.2023.137703

"Figure 2 DeltaY low postfit" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"
Malik, S. S. (貢獻者), Zolkapli, Z. Z. (貢獻者), Schnepf, M. J. (貢獻者), Awan, M. I. M. (貢獻者), Rejeb Sfar, H. (貢獻者), Raics, P. (貢獻者), Encinas Acosta, H. A. (貢獻者), Droll, A. (貢獻者), Greau, G. (貢獻者), Howard, A. S. (貢獻者), Dittmar, M. (貢獻者), Kirakosyan, M. R. (貢獻者), Tchekhovski, V. A. (貢獻者), Faure, J. L. (貢獻者), Das, A. K. (貢獻者), Baechler, J. (貢獻者), Schuh, T. (貢獻者), Carnevali, F. (貢獻者), Zhang, L. (貢獻者), Mao, Y. (貢獻者), Perfilov, M. A. (貢獻者), Pinna, D. (貢獻者), Asghar, M. I. (貢獻者), Mastrolorenzo, L. (貢獻者), Grosso, G. (貢獻者), Paulitsch, P. (貢獻者), Snyder, C. (貢獻者), Ruini, D. (貢獻者), Amin, N. (貢獻者), Cerri, O. (貢獻者), Bonomally, S. (貢獻者), Czellár, S. (貢獻者), Oskin, A. V. (貢獻者), Pesaresi, M. (貢獻者), Feindt, F. (貢獻者), Cheng, C. (貢獻者), Leggat, D. (貢獻者), del Burgo, R. (貢獻者), García Alonso, A. (貢獻者), McAlister, I. (貢獻者), Mrowietz, M. (貢獻者), Bestintzanos, I. (貢獻者), Gutay, L. J. (貢獻者), Berger, P. (貢獻者), Gallegos Maríñez, L. G. (貢獻者), Vage, L. H. (貢獻者), Neukum, M. (貢獻者), Yockey, H. (貢獻者), Kello, T. (貢獻者), Kamtsikis, C. 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(貢獻者), Velasco, M. M. (貢獻者), Neogi, O. (貢獻者), Lin, W. T. (貢獻者), Andrejkovic, J. W. (貢獻者), Kim, Y. (貢獻者), Song, D. (貢獻者), Pikurs, G. (貢獻者), Eckerlin, G. (貢獻者), Kamalieddin, R. F. (貢獻者), Rykaczewski, H. (貢獻者), Layer, L. (貢獻者), Beri, S. B. (貢獻者), Perriès, S. (貢獻者), Prieels, C. (貢獻者), Vigilante, L. (貢獻者), Volkov, P. V. (貢獻者), Karapinar, G. (貢獻者), Heath, G. P. (貢獻者), Mitchell, T. (貢獻者), Yu, P. R. (貢獻者), Fallavollita, F. (貢獻者), Darej, D. (貢獻者), Coldham, K. (貢獻者), Merlin, J. A. (貢獻者), Antunovič, Ž. (貢獻者), Lyu, X. (貢獻者), Gosewisch, J. O. (貢獻者), Eich, M. (貢獻者), Mestdach, G. (貢獻者), Tews, A. (貢獻者), Foüdas, C. (貢獻者), Modak, A. (貢獻者), Galanti, M. (貢獻者), Grimault, C. (貢獻者), Rauser, J. (貢獻者), Wei, K. (貢獻者), Nam, K. (貢獻者), Karasavvas, D. (貢獻者), Park, S. K. (貢獻者), Nissan, Y. (貢獻者), Yang, U.-K. (貢獻者), Tuuva, T. (貢獻者), Kim, M. S. (貢獻者), Marinelli, N. (貢獻者), Maity, M. (貢獻者), Jiang, C. (貢獻者), Avati, V. (貢獻者), Giani, S. (貢獻者), Chen, P. (貢獻者), Viret, S. (貢獻者), Dugad, S. R. (貢獻者), Green, D. R. 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DOI: 10.17182/hepdata.127992.v1/t6, https://www.hepdata.net/record/134017
資料集
"Figure 3 fiducial" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"
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DOI: 10.17182/hepdata.127992.v1/t9, https://www.hepdata.net/record/134020
資料集
"Figure 2 DeltaY high postfit" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"
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DOI: 10.17182/hepdata.127992.v1/t8, https://www.hepdata.net/record/134019
資料集

引用此

@article{29d10475350343bab81747cb7ea0554c,

title = "Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV",

abstract = "The measurement of the charge asymmetry in top quark pair events with highly Lorentz-boosted top quarks decaying to a single lepton and jets is presented. The analysis is performed using proton-proton collisions at s=13TeV with the CMS detector at the LHC and corresponding to an integrated luminosity of 138 fb−1. The selection is optimized for top quarks produced with large Lorentz boosts, resulting in nonisolated leptons and overlapping jets. The top quark charge asymmetry is measured for events with a tt¯ invariant mass larger than 750 GeV and corrected for detector and acceptance effects using a binned maximum likelihood fit. The measured top quark charge asymmetry of (0.42−0.69+0.64)% is in good agreement with the standard model prediction at next-to-next-to-leading order in quantum chromodynamic perturbation theory with next-to-leading-order electroweak corrections. The result is also presented for two invariant mass ranges, 750–900 and >900GeV.",

keywords = "CMS, Top quark",

author = "{The CMS collaboration} 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 M. Sonawane 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'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 Kuo, {C. M.} and Yu, {S. S.}",

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

year = "2023",

month = nov,

day = "10",

doi = "10.1016/j.physletb.2023.137703",

language = "???core.languages.en_GB???",

volume = "846",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

issn = "0370-2693",

}

TY - JOUR

T1 - Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV

AU - The CMS collaboration

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 - Sonawane, M.

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 - Kuo, C. M.

AU - Yu, S. S.

PY - 2023/11/10

Y1 - 2023/11/10

N2 - The measurement of the charge asymmetry in top quark pair events with highly Lorentz-boosted top quarks decaying to a single lepton and jets is presented. The analysis is performed using proton-proton collisions at s=13TeV with the CMS detector at the LHC and corresponding to an integrated luminosity of 138 fb−1. The selection is optimized for top quarks produced with large Lorentz boosts, resulting in nonisolated leptons and overlapping jets. The top quark charge asymmetry is measured for events with a tt¯ invariant mass larger than 750 GeV and corrected for detector and acceptance effects using a binned maximum likelihood fit. The measured top quark charge asymmetry of (0.42−0.69+0.64)% is in good agreement with the standard model prediction at next-to-next-to-leading order in quantum chromodynamic perturbation theory with next-to-leading-order electroweak corrections. The result is also presented for two invariant mass ranges, 750–900 and >900GeV.

AB - The measurement of the charge asymmetry in top quark pair events with highly Lorentz-boosted top quarks decaying to a single lepton and jets is presented. The analysis is performed using proton-proton collisions at s=13TeV with the CMS detector at the LHC and corresponding to an integrated luminosity of 138 fb−1. The selection is optimized for top quarks produced with large Lorentz boosts, resulting in nonisolated leptons and overlapping jets. The top quark charge asymmetry is measured for events with a tt¯ invariant mass larger than 750 GeV and corrected for detector and acceptance effects using a binned maximum likelihood fit. The measured top quark charge asymmetry of (0.42−0.69+0.64)% is in good agreement with the standard model prediction at next-to-next-to-leading order in quantum chromodynamic perturbation theory with next-to-leading-order electroweak corrections. The result is also presented for two invariant mass ranges, 750–900 and >900GeV.

KW - CMS

KW - Top quark

UR - http://www.scopus.com/inward/record.url?scp=85174014472&partnerID=8YFLogxK

U2 - 10.1016/j.physletb.2023.137703

DO - 10.1016/j.physletb.2023.137703

M3 - 期刊論文

AN - SCOPUS:85174014472

SN - 0370-2693

VL - 846

JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

M1 - 137703

ER -

Measurement of the tt¯ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at s=13 TeV

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"Figure 2 DeltaY low postfit" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"

"Figure 3 fiducial" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"

"Figure 2 DeltaY high postfit" of "Measurement of the $\mathrm{t\bar{t}}$ charge asymmetry in events with highly Lorentz-boosted top quarks in pp collisions at $\sqrt{s}$ = 13 TeV"

引用此