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First Search for Dark-Trident Processes Using the MicroBooNE Detector

https://doi.org/10.1103/PhysRevLett.132.241801

Abratenko, P ; Alterkait, O ; Andrade_Aldana, D ; Arellano, L ; Asaadi, J ; Ashkenazi, A ; Balasubramanian, S ; Baller, B ; Barr, G ; Barrow, D ; et al ( June 2024 , Physical Review Letters)

We present a first search for dark-trident scattering in a neutrino beam using a dataset corresponding to $7.2 \times 10^{20}$ protons on target taken with the MicroBooNE detector at Fermilab. Proton interactions in the neutrino target at the main injector produce $π^{0}$ and $η$ mesons, which could decay into dark-matter (DM) particles mediated via a dark photon $A^{'}$ . A convolutional neural network is trained to identify interactions of the DM particles in the liquid-argon time projection chamber (LArTPC) exploiting its imagelike reconstruction capability. In the absence of a DM signal, we provide limits at the 90% confidence level on the squared kinematic mixing parameter $ϵ^{2}$ as a function of the dark-photon mass in the range $10 \leq M_{A^{'}} \leq 400 MeV$ . The limits cover previously unconstrained parameter space for the production of fermion or scalar DM particles $χ$ for two benchmark models with mass ratios $M_{χ} / M_{A^{'}} = 0.6$ and 2 and for dark fine-structure constants $0.1 \leq α_{D} \leq 1$ .
Published by the American Physical Society2024
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Free, publicly-accessible full text available June 1, 2025
Measurement of nuclear effects in neutrino-argon interactions using generalized kinematic imbalance variables with the MicroBooNE detector

https://doi.org/10.1103/PhysRevD.109.092007

Abratenko, P. ; Alterkait, O. ; Andrade_Aldana, D. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; Barrow, D. ; et al ( May 2024 , Physical Review D)
First Measurement of η Meson Production in Neutrino Interactions on Argon with MicroBooNE

https://doi.org/10.1103/PhysRevLett.132.151801

Abratenko, P ; Alterkait, O ; Andrade_Aldana, D ; Anthony, J ; Arellano, L ; Asaadi, J ; Ashkenazi, A ; Balasubramanian, S ; Baller, B ; Barr, G ; et al ( April 2024 , Physical Review Letters)

Free, publicly-accessible full text available April 1, 2025
Measurement of ambient radon progeny decay rates and energy spectra in liquid argon using the MicroBooNE detector

https://doi.org/10.1103/PhysRevD.109.052007

Abratenko, P ; Alterkait, O ; Andrade_Aldana, D ; Arellano, L ; Asaadi, J ; Ashkenazi, A ; Balasubramanian, S ; Baller, B ; Barr, G ; Barrow, D ; et al ( March 2024 , Physical Review D)

Free, publicly-accessible full text available March 1, 2025
Search for Heavy Neutral Leptons in Electron-Positron and Neutral-Pion Final States with the MicroBooNE Detector

https://doi.org/10.1103/PhysRevLett.132.041801

Abratenko, P. ; Alterkait, O. ; Andrade Aldana, D. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; Barrow, D. ; et al ( January 2024 , Physical Review Letters)

Free, publicly-accessible full text available January 22, 2025
First demonstration of O(1 ns) timing resolution in the MicroBooNE liquid argon time projection chamber

https://doi.org/10.1103/PhysRevD.108.052010

Abratenko, P. ; Alterkait, O. ; Andrade Aldana, D. ; Anthony, J. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; et al ( September 2023 , Physical Review D)
First Double-Differential Measurement of Kinematic Imbalance in Neutrino Interactions with the MicroBooNE Detector

https://doi.org/10.1103/PhysRevLett.131.101802

Abratenko, P. ; Alterkait, O. ; Andrade Aldana, D. ; Anthony, J. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; et al ( September 2023 , Physical Review Letters)
Multidifferential cross section measurements of νμ -argon quasielasticlike reactions with the MicroBooNE detector

https://doi.org/10.1103/PhysRevD.108.053002

Abratenko, P. ; Alterkait, O. ; Andrade Aldana, D. ; Anthony, J. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; et al ( September 2023 , Physical Review D)
First Measurement of Quasielastic Λ Baryon Production in Muon Antineutrino Interactions in the MicroBooNE Detector

https://doi.org/10.1103/PhysRevLett.130.231802

Abratenko, P. ; Andrade Aldana, D. ; Anthony, J. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; Barrow, J. ; et al ( June 2023 , Physical Review Letters)

Full Text Available
First Constraints on Light Sterile Neutrino Oscillations from Combined Appearance and Disappearance Searches with the MicroBooNE Detector

https://doi.org/10.1103/PhysRevLett.130.011801

Abratenko, P. ; Andrade Aldana, D. ; Anthony, J. ; Arellano, L. ; Asaadi, J. ; Ashkenazi, A. ; Balasubramanian, S. ; Baller, B. ; Barr, G. ; Barrow, J. ; et al ( January 2023 , Physical Review Letters)

Full Text Available

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