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arXiv · 2108.03262

Extending the Reach of Leptophilic Boson Searches at DUNE and MiniBooNE with Bremsstrahlung and Resonant Production

Francesco Capozzi·Bhaskar Dutta·Gajendra Gurung·Wooyoung Jang·Ian M. Shoemaker·Adrian Thompson·Jaehoon Yu
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Abstract

New gauge bosons coupling to leptons are simple and well-motivated extensions of the Standard Model. We study the sensitivity to gauged $L_μ -L_{e}$, $L_e-L_τ$ and $L_μ -L_τ$ both with the existing beam dump mode data of MiniBooNE and with the DUNE near detector. We find that including bremsstrahlung and resonant production of $Z'$ which decays to $e^{\pm}$ and $μ^{\pm}$ final states leads to a significant improvement in existing bounds, especially for $L_μ-L_e$ and $L_e-L_τ$ for DUNE while competitive constraints can be achieved with the existing data from the MiniBooNE's beam dump run.

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Francesco Capozzi, Bhaskar Dutta, Gajendra Gurung, Wooyoung Jang, Ian M. Shoemaker, Adrian Thompson, Jaehoon Yu. 2021-08-06. Extending the Reach of Leptophilic Boson Searches at DUNE and MiniBooNE with Bremsstrahlung and Resonant Production. https://doi.org/10.1103/physrevd.104.115010

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