Search for a massive scalar resonance decaying to a light scalar and a Higgs boson in the four b quarks final state with boosted topology

Autor: The CMS Collaboration, Tumasyan, Armen, Androsov, K., Backhaus, Malte, Berger, P., Calandri, A., de Cosa, A., Dissertori, Günther, Dittmar, Michael, Donegà, M., Dorfer, Christian, Eble, Florian, Gedia, Krunal, Glessgen, Franz, Gomez Espinosa, Tirso Alejandro, Gräb, Christopher, Hits, Dmitry Alexandrovich, Lustermann, Werner, Lyon, A.-M., Manzoni, Riccardo A., Marchese, L., Martin Perez, Cristina, Mascellani, A., Meinhard, M.T., Nessi-Tedaldi, Francesca, Niedziela, J., Pauss, F., Perovic, Vasilije, Pigazzini, Simone, Ratti, Maria G., Reichmann, Michael, Reissel, Christina, Reitenspiess, Thomas, Ristic, Branislav, Ruini, Daniele, Sanz Becerra, Diego A., Steggemann, J., Valsecchi, Davide, Wallny, Rainer
Jazyk: angličtina
Rok vydání: 2023
Předmět:
Zdroj: Physics Letters B, 842
ISSN: 0370-2693
0031-9163
1873-2445
DOI: 10.3929/ethz-b-000620214
Popis: We search for new massive scalar particles X and Y through the resonant process X→YH→bb¯bb¯, where H is the standard model Higgs boson. Data from CERN LHC proton-proton collisions are used, collected at a centre-of-mass energy of 13 TeV in 2016–2018 and corresponding to an integrated luminosity of 138fb−1. The search is performed in mass ranges of 0.9–4 TeV for X and 60–600 GeV for Y, where both Y and H are reconstructed as Lorentz-boosted single large-area jets. The results are interpreted in the context of the next-to-minimal supersymmetric standard model and also in an extension of the standard model with two additional singlet scalar fields. The 95% confidence level upper limits for the production cross section vary between 0.1 and 150 fb depending on the X and Y masses, and represent a significant improvement over results from previous searches.
Physics Letters B, 842
ISSN:0370-2693
ISSN:0031-9163
ISSN:1873-2445
Databáze: OpenAIRE
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