Examinando por Autor "Alves, A."

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    Constraining 3-3-1 models at the LHC and future hadron colliders
    (American Physical Society, 2022-09) Alves, A.; Duarte, L.; Kovalenko, S.; Oviedo-Torres, Y.M.; Queiroz, F.S.; Villamizar, Y.S.
    In this work, we derive lower mass bounds on the Z0 gauge boson based on the dilepton data from the Large Hadron Collider (LHC) with 13 TeV of center-of-mass energy, and forecast the sensitivity of the high-luminosity LHC with L ¼ 3000 fb−1, the high-energy LHC with ffiffi s p ¼ 27 TeV, and also at the Future Circular Collider with ffiffi s p ¼ 100 TeV. We take into account the presence of exotic and invisible decays of the Z0 gauge boson to find a more conservative and robust limit, different from previous studies. We investigate the impact of these new decay channels for several benchmark models in the scope of two different 3-3-1 models. We found that in the most constraining cases, LHC with 139 fb−1 can impose mZ0 > 4 TeV. Moreover, we forecast high-luminosity LHC, high-energy LHC, and Future Circular Collider reach, and derive the projected bounds mZ0 > 5.8 TeV, mZ0 > 9.9 TeV, and mZ0 > 27 TeV, respectively. Lastly, we put our findings into perspective with dark matter searches to show the region of parameter space where a dark matter candidate with the right relic density is possible.