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DC Field | Value | Language |
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dc.contributor.author | Tumasyan, A | - |
dc.contributor.author | Adam, W | - |
dc.contributor.author | Andrejkovic, JW | - |
dc.contributor.author | Bergauer, T | - |
dc.contributor.author | Chatterjee, S | - |
dc.contributor.author | Damanakis, K | - |
dc.contributor.author | Dragicevic, M | - |
dc.contributor.author | Escalante Del Valle, A | - |
dc.contributor.author | Hussain, PS | - |
dc.contributor.author | Jeitler, M | - |
dc.contributor.author | Krammer, N | - |
dc.contributor.author | Pitters, FM | - |
dc.contributor.author | Schieck, J | - |
dc.contributor.author | Schöfbeck, R | - |
dc.contributor.author | Schwarz, D | - |
dc.contributor.author | Templ, S | - |
dc.contributor.author | Waltenberger, W | - |
dc.contributor.author | Wulz, CE | - |
dc.contributor.author | Darwish, MR | - |
dc.contributor.author | Janssen, T | - |
dc.contributor.author | Kello, T | - |
dc.contributor.author | Rejeb Sfar, H | - |
dc.contributor.author | Van Mechelen, P | - |
dc.contributor.author | Bols, ES | - |
dc.contributor.author | D’Hondt, J | - |
dc.contributor.author | De Moor, A | - |
dc.contributor.author | Delcourt, M | - |
dc.contributor.author | El Faham, H | - |
dc.contributor.author | Lowette, S | - |
dc.contributor.author | Moortgat, S | - |
dc.contributor.author | Morton, A | - |
dc.contributor.author | Müller, D | - |
dc.contributor.author | Sahasransu, AR | - |
dc.contributor.author | Tavernier, S | - |
dc.contributor.author | Van Doninck, W | - |
dc.contributor.author | Vannerom, D | - |
dc.contributor.author | Clerbaux, B | - |
dc.contributor.author | De Lentdecker, G | - |
dc.contributor.author | Favart, L | - |
dc.contributor.author | Hohov, D | - |
dc.contributor.author | Jaramillo, J | - |
dc.contributor.author | Lee, K | - |
dc.contributor.author | Mahdavikhorrami, M | - |
dc.contributor.author | Makarenko, I | - |
dc.contributor.author | Malara, A | - |
dc.contributor.author | Paredes, S | - |
dc.contributor.author | Pétré, L | - |
dc.contributor.author | Postiau, N | - |
dc.contributor.author | Starling, E | - |
dc.contributor.author | Thomas, L | - |
dc.contributor.author | Vanden Bemden, M | - |
dc.contributor.author | Vander Velde, C | - |
dc.contributor.author | Vanlaer, P | - |
dc.contributor.author | Dobur, D | - |
dc.contributor.author | Knolle, J | - |
dc.contributor.author | Lambrecht, L | - |
dc.contributor.author | Mestdach, G | - |
dc.contributor.author | Niedziela, M | - |
dc.contributor.author | Rendón, C | - |
dc.contributor.author | Roskas, C | - |
dc.contributor.author | Samalan, A | - |
dc.contributor.author | Skovpen, K | - |
dc.contributor.author | Tytgat, M | - |
dc.contributor.author | Van Den Bossche, N | - |
dc.contributor.author | Vermassen, B | - |
dc.contributor.author | Wezenbeek, L | - |
dc.contributor.author | Benecke, A | - |
dc.contributor.author | Bruno, G | - |
dc.contributor.author | Bury, F | - |
dc.contributor.author | Caputo, C | - |
dc.contributor.author | David, P | - |
dc.contributor.author | Delaere, C | - |
dc.contributor.author | Donertas, IS | - |
dc.contributor.author | Giammanco, A | - |
dc.contributor.author | Jaffel, K | - |
dc.contributor.author | Jain, S | - |
dc.contributor.author | Lemaitre, V | - |
dc.contributor.author | Mondal, K | - |
dc.contributor.author | Prisciandaro, J | - |
dc.contributor.author | Taliercio, A | - |
dc.contributor.author | Tran, TT | - |
dc.contributor.author | Vischia, P | - |
dc.contributor.author | Wertz, S | - |
dc.contributor.author | Alves, GA | - |
dc.contributor.author | Coelho, E | - |
dc.contributor.author | Hensel, C | - |
dc.contributor.author | Moraes, A | - |
dc.contributor.author | Rebello Teles, P | - |
dc.contributor.author | Aldá Júnior, WL | - |
dc.contributor.author | Alves Gallo Pereira, M | - |
dc.contributor.author | Reid, ID | - |
dc.contributor.author | Barroso Ferreira Filho, M | - |
dc.contributor.author | Brandao Malbouisson, H | - |
dc.contributor.author | Carvalho, W | - |
dc.contributor.author | Kyberd, P | - |
dc.contributor.author | Chinellato, J | - |
dc.contributor.author | Da Costa, EM | - |
dc.contributor.author | Khan, A | - |
dc.contributor.author | Da Silveira, GG | - |
dc.contributor.author | Cole, JE | - |
dc.contributor.author | Coldham, K | - |
dc.contributor.author | Lechner, L | - |
dc.contributor.author | Liko, D | - |
dc.contributor.author | Mikulec, I | - |
dc.contributor.author | Paulitsch, P | - |
dc.contributor.other | CMS Collaboration | - |
dc.date.accessioned | 2024-05-01T14:02:50Z | - |
dc.date.available | 2024-05-01T14:02:50Z | - |
dc.date.issued | 2023-08-10 | - |
dc.identifier | ORCiD: A. Tumasyan https://orcid.org/0009-0000-0684-6742 | - |
dc.identifier | ORCiD: Joanne E. Cole https://orcid.org/0000-0001-5638-7599 | - |
dc.identifier | ORCiD: Akram Khan https://orcid.org/0000-0002-4597-4402 | - |
dc.identifier | ORCiD: Paul Kyberd https://orcid.org/0000-0002-7353-7090 | - |
dc.identifier | ORCiD: Ivan D. Reid https://orcid.org/0000-0002-9235-779X | - |
dc.identifier | CMS-TOP-21-003 | - |
dc.identifier | CERN-EP-2022-172 | - |
dc.identifier | arXiv:2208.12837v2 [hep-ex] | - |
dc.identifier | 032008 | - |
dc.identifier.citation | Tumasyan, A. et al. for the benefit of the CMS Collaboration (2023) 'Search for new physics using effective field theory in 13 TeV pp collision events that contain a top quark pair and a boosted Z or Higgs boson', Physical Review D, 108 (3), 032008, pp. 1 - 35. doi: 10.1103/PhysRevD.108.032008. | en_US |
dc.identifier.issn | 2470-0010 | - |
dc.identifier.uri | https://bura.brunel.ac.uk/handle/2438/28906 | - |
dc.description | A preprint version of the article is available at arXiv:2208.12837v2 [hep-ex], https://arxiv.org/abs/2208.12837v2 . Comments: Replaced with the published version. Added the journal reference and the DOI. All the figures and tables can be found at https://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-21-003 (CMS Public Pages). Report number: CMS-TOP-21-003, CERN-EP-2022-172. | en_US |
dc.description.abstract | A data sample containing top quark pairs (tt¯) produced in association with a Lorentz-boosted Z or Higgs boson is used to search for signs of new physics using effective field theory. The data correspond to an integrated luminosity of 138 fb^{−1} of proton-proton collisions produced at a center-of-mass energy of 13 TeV at the LHC and collected by the CMS experiment. Selected events contain a single lepton and hadronic jets, including two identified with the decay of bottom quarks, plus an additional large-radius jet with high transverse momentum identified as a Z or Higgs boson decaying to a bottom quark pair. Machine learning techniques are employed to discriminate between tt¯Z or tt¯H events and events from background processes, which are dominated by tt¯ + jets production. No indications of new physics are observed. The signal strengths of boosted tt¯Z and tt¯H production are measured, and upper limits are placed on the tt¯Z and tt¯H differential cross sections as functions of the Z or Higgs boson transverse momentum. The effects of new physics are probed using a framework in which the standard model is considered to be the low-energy effective field theory of a higher energy scale theory. Eight possible dimension-six operators are added to the standard model Lagrangian and their corresponding coefficients are constrained via fits to the data. | en_US |
dc.description.sponsorship | SCOAP3. | en_US |
dc.format.extent | 1 - 35 | - |
dc.format.medium | Print-Electronic | - |
dc.language.iso | en_US | en_US |
dc.publisher | American Physical Society | en_US |
dc.relation.uri | https://arxiv.org/abs/2208.12837v2 | - |
dc.relation.uri | https://cms-results.web.cern.ch/cms-results/public-results/publications/TOP-21-003 | - |
dc.rights | Copyright © 2023 CERN, for the CMS Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. | - |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | - |
dc.subject | top quark | en_US |
dc.subject | W and Z bosons | en_US |
dc.subject | hadron colliders | en_US |
dc.subject | particles and fields | en_US |
dc.title | Search for new physics using effective field theory in 13 TeV pp collision events that contain a top quark pair and a boosted Z or Higgs boson | en_US |
dc.type | Article | en_US |
dc.date.dateAccepted | 2023-03-21 | - |
dc.identifier.doi | https://doi.org/10.1103/PhysRevD.108.032008 | - |
dc.relation.isPartOf | Physical Review D | - |
pubs.issue | 3 | - |
pubs.publication-status | Published | - |
pubs.volume | 108 | - |
dc.identifier.eissn | 2470-0029 | - |
dc.rights.license | https://creativecommons.org/licenses/by/4.0/legalcode.en | - |
dc.rights.holder | CERN, for the CMS Collaboration | - |
Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers |
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