Search for the production of Higgs-portal scalar bosons in the NuMI beam using the MicroBooNE detector

Blake, A. and Gu, L. and Mahmud, T. and Mawby, I. and Nowak, J. and Patel, N. and Pophale, I. (2026) Search for the production of Higgs-portal scalar bosons in the NuMI beam using the MicroBooNE detector. Physical Review D. ISSN 1550-7998

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Abstract

We present the strongest limits to date on the mixing angle, $\theta$, with which a new scalar particle, $S$, mixes with the Higgs field in the mass range $100$ $MeV