https://doi.org/10.1140/epjp/s13360-026-07292-6
Regular Article
Phenomenology of the standard HVM and 95.4 GeV excess
Department of Physics, Indian Institute of Technology (BHU), 221005, Varanasi, India
a
This email address is being protected from spambots. You need JavaScript enabled to view it.
Received:
10
October
2025
Accepted:
2
January
2026
Published online:
17
January
2026
Abstract
We investigate the collider phenomenology of the standard Hierarchical VEVs Model by proposing a new version, which avoids large flavor-changing neutral current interactions, thus rendering the scale of new physics as low as the electroweak scale. The resulting collider signatures are distinctive and testable at the High-Luminosity LHC, the High-Energy LHC, and future 100 TeV hadron colliders. Remarkably, one of the pseudoscalars in the model can account for the 95.4 GeV di-photon excess observed by ATLAS and CMS. In addition, the model naturally accommodates a new class of neutrino-philic dark matter candidate, neutrinic dark matter, that interacts exclusively with neutrino pairs.
Copyright comment Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
© The Author(s), under exclusive licence to Società Italiana di Fisica and Springer-Verlag GmbH Germany, part of Springer Nature 2026
Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.
