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hep-ph2026
Probing a 146 GeV cLFV scalar using the LHC and low-energy experiments
Christina Gao, Lingfeng Li, Z. J. Xiong
The CMS Collaboration reported a local excess at in the search for the lepton-flavor-violating decay of the Higgs boson and additional Higgs bosons in the …
hep-ph2024
Dark showers from Z-dark Z' mixing
Hsin-Chia Cheng, Xu-Hui Jiang, Lingfeng Li +1
We discuss dark shower signals at the LHC from a dark QCD sector, containing GeV-scale dark pions. The portal with the Standard Model is given by the mixing of the Z boson with a d…
hep-ph2024
New inflationary probes of axion dark matter
Xingang Chen, JiJi Fan, Lingfeng Li
If a light axion is present during inflation and becomes part of dark matter afterwards, its quantum fluctuations contribute to dark matter isocurvature. In this article, we introd…