Search for a neutral gauge boson with nonuniversal fermion couplings in vector boson fusion processes in proton-proton collisions at V¯s = 13 TeV

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URI: https://hdl.handle.net/10902/38545
ISSN: 0031-9007
ISSN: 1079-7114
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Autoría
Hayrapetyan, A.; Tumasyan, A.; Bhowmik, Sandeep; Blanco Fernández, SergioAutoridad Unican; Cabrillo Bartolomé, José Ibán; Calderón Tazón, AliciaAutoridad Unican; Duarte Campderros, JorgeAutoridad Unican; Fernández García, MarcosAutoridad Unican; Gómez Gramuglio, GervasioAutoridad Unican; Lasaosa García, Clara; López Ruiz, Rubén; Martínez Rivero, Celso; Martínez Ruiz del Árbol, PabloAutoridad Unican; Matorras Weinig, FranciscoAutoridad Unican; Matorras Cuevas, PabloAutoridad Unican; Navarrete Ramos, EfrénAutoridad Unican; Piedra Gómez, JonatanAutoridad Unican; Scodellaro, LucaAutoridad Unican; Vila Álvarez, IvánAutoridad Unican; [et al.]
Fecha
2025-08-08
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
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Physical Review Letters, 2025, 135(6), 061803
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American Physical Society
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Resumen/Abstract
The first search for a heavy neutral spin-1 gauge boson (Z') with nonuniversal fermion couplings produced via vector boson fusion processes and decaying to tau leptons or W bosons is presented. The analysis is performed using LHC data at V¯s = 13 TeV collected from 2016 to 2018 with the CMS experiment and corresponding to an integrated luminosity of 138 fb-1. The data are consistent with the standard model predictions. Upper limits are set on the product of the cross section for production of the Z' boson and its branching fraction to tt or WW. The presence of a Z' boson decaying to t+t- (W-W-) is excluded for masses up to 2.45(1.60) TeV, depending on the Z' boson coupling to standard model weak bosons, and assuming a Z' --> t+t- (W+W-) branching fraction of 50%.
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.Excepto si se señala otra cosa, la licencia del ítem se describe como Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.