Brunel University Research Archive(BURA) preserves and enables easy and open access to all
types of digital content. It showcases Brunel's research outputs.
Research contained within BURA is open access, although some publications may be subject
to publisher imposed embargoes. All awarded PhD theses are also archived on BURA.
Please use this identifier to cite or link to this item:
http://bura.brunel.ac.uk/handle/2438/27937| Title: | Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets in proton-proton collisions at √s = 13 TeV |
| Authors: | Tumasyan, A Adam, W Andrejkovic, JW Bergauer, T Chatterjee, S Damanakis, K Dragicevic, M Escalante Del Valle, A Hussain, PS Jeitler, M Krammer, N Reid, ID Barroso Ferreira Filho, M Brandao Malbouisson, H Carvalho, W Kyberd, P Chinellato, J Da Costa, EM Khan, A Da Silveira, GG Cole, JE Coldham, K Lechner, L Liko, D Mikulec, I Paulitsch, P Pitters, FM Schieck, J Schöfbeck, R Schwarz, D Templ, S Waltenberger, W Wulz, CE Darwish, MR Janssen, T Kello, T Rejeb Sfar, H Van Mechelen, P Bols, ES D'Hondt, J De Moor, A Delcourt, M El Faham, H Lowette, S Moortgat, S Morton, A Müller, D Sahasransu, AR Tavernier, S Van Doninck, W Vannerom, D Clerbaux, B De Lentdecker, G Favart, L Hohov, D Jaramillo, J Lee, K Mahdavikhorrami, M Makarenko, I Malara, A Paredes, S Pétré, L Postiau, N Starling, E Thomas, L Vanden Bemden, M Vander Velde, C Vanlaer, P Dobur, D Knolle, J Lambrecht, L Mestdach, G Niedziela, M Rendón, C Roskas, C Samalan, A Skovpen, K Tytgat, M Van Den Bossche, N Vermassen, B Wezenbeek, L Benecke, A Bruno, G Bury, F Caputo, C David, P Delaere, C Donertas, IS Giammanco, A Jaffel, K Jain, S Lemaitre, V Mondal, K Prisciandaro, J Taliercio, A Tran, TT Vischia, P Wertz, S Alves, GA Coelho, E Hensel, C Moraes, A Rebello Teles, P Aldá Júnior, WL Alves Gallo Pereira, M |
| Keywords: | CMS;vector-like leptons;VLL |
| Issue Date: | 13-Sep-2023 |
| Publisher: | Elsevier |
| Citation: | Tumasyan, A. et al. for the CMS Collaboration (2023) 'Search for pair-produced vector-like leptons in final states with third-generation leptons and at least three b quark jets in proton-proton collisions at √s = 13 TeV', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 846, 137713, pp. 1 - 42. doi: 10.1016/j.physletb.2023.137713. |
| Abstract: | Copyright © 2023 The Author(s). The first search is presented for vector-like leptons (VLLs) in the context of the “4321 model”, an ultraviolet-complete model with the potential to explain existing B physics measurements that are in tension with standard model predictions. The analyzed data, corresponding to an integrated luminosity of 96.5fb−1, were recorded in 2017 and 2018 with the CMS detector at the LHC in proton-proton collisions at √ s = 13 TeV. Final states with ≥3 b -tagged jets and two third-generation leptons (ττ, τντ, or ντντ) are considered. Upper limits are derived on the VLL production cross section in the VLL mass range 500–1050 GeV. The maximum likelihood fit prefers the presence of signal at the level of 2.8 standard deviations, for a representative VLL mass point of 600 GeV. As a consequence, the observed upper limits are approximately double the expected limits. |
| Description: | Data availability: Release and preservation of data used by the CMS Collaboration as the basis for publications is guided by the CMS policy as stated in “CMS data preservation, re-use and open access policy”. A preprint was made available at arXiv, arXiv:2208.09700 [hep-ex]. It was replaced with the published version. All the figures and tables can be found at: https://cms-results.web.cern.ch/cms-results/public-results/publications/B2G-21-004 (CMS Public Pages). |
| URI: | https://bura.brunel.ac.uk/handle/2438/27937 |
| DOI: | https://doi.org/10.1016/j.physletb.2023.137713 |
| ISSN: | 0370-2693 |
| Other Identifiers: | ORCID iD Joanne E. Cole https://orcid.org/0000-0001-5638-7599 ORCID iD: Akram Khan https://orcid.org/0000-0002-4597-4402 ORCID iD: Paul Kyberd https://orcid.org/0000-0002-7353-7090 ORCID iD: Ivan D. Reid https://orcid.org/0000-0002-9235-779X 137713 |
| Appears in Collections: | Dept of Electronic and Electrical Engineering Research Papers |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| FullText.pdf | Copyright © 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (https://creativecommons.org/licenses/by /4.0/). | 3 MB | Adobe PDF | View/Open |
This item is licensed under a Creative Commons License
