Search for hadronic decays of feebly-interacting particles at NA62
(2025) European Physical Journal C — Vol. 85 (2025)
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- et. al.
- Abstract
- The NA62 experiment at CERN has the capability to collect data in a beam-dump mode, where 400 GeV protons are dumped on an absorber. In this configuration, New Physics particles, including dark photons, dark scalars, and axion-like particles, may be produced in the absorber and decay in the instrumented volume beginning approximately 80 m downstream of the dump. A search for these particles decaying in flight to hadronic final states is reported, based on an analysis of a sample of $1.4 \times 10^{17}$ protons on dump collected in 2021. No evidence of a New Physics signal is observed, excluding new regions of parameter spaces of multiple models.
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Citations
Cortina Gil, E., Jerhot, J., Lurkin, N., NA62, & et al. (2025). Search for hadronic decays of feebly-interacting particles at NA62. European Physical Journal C, 85. https://doi.org/10.1140/epjc/s10052-025-14133-w (Original work published 2025)