Search for new resonances decaying to pairs of merged diphotons in proton-proton collisions at V¯s=13 TeV

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URI: https://hdl.handle.net/10902/38458
ISSN: 0031-9007
ISSN: 1079-7114
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Autoría
Hayrapetyan, A.; Bhowmik, Sandeep; Blanco Fernández, SergioAutoridad Unican; Brochero Cifuentes, Javier AndrésAutoridad 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
2025-01-30
Derechos
Attribution 4.0 International
Publicado en
Physical Review Letters, 134, 041801
Editorial
American Physical Society
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Resumen/Abstract
A search is presented for an extended Higgs sector with two new particles, X and Ø , in the process X-ØØ-(yy)(yy). Novel neural networks classify events with diphotons that are merged and determine the diphoton masses. The search uses LHC proton-proton collision data at V¯s=13 TeV collected with the CMS detector, corresponding to an integrated luminosity of 138 fb-1. No evidence of such resonances is seen. Upper limits are set on the production cross section for mx between 300 and 3000 GeV and mØ/mx between 0.5% and 2.5%, representing the most sensitive search in this channel.
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