First Measurement of $\mathrm{η}$ Meson Production in Neutrino Interactions on Argon with MicroBooNE
We present a measurement of η production from neutrino interactions on argon with the MicroBooNE detector. The modeling of resonant neutrino interactions on argon is a critical aspect of the neutrino oscillation physics program being carried out by the DUNE and Short Baseline Neutrino programs. η pr...
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Veröffentlicht in: | Physical review letters 2024-04, Vol.132 (15) |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | We present a measurement of η production from neutrino interactions on argon with the MicroBooNE detector. The modeling of resonant neutrino interactions on argon is a critical aspect of the neutrino oscillation physics program being carried out by the DUNE and Short Baseline Neutrino programs. η production in neutrino interactions provides a powerful new probe of resonant interactions, complementary to pion channels, and is particularly suited to the study of higher-order resonances beyond the Δ(1232). We measure a flux-integrated cross section for neutrino-induced η production on argon of 3.22 + 0.84 (stat) ± 0.86 (syst) 10-41 cm2/nucleon. By demonstrating the successful reconstruction of the two photons resulting from η production, this analysis enables a novel calibration technique for electromagnetic showers in GeV accelerator neutrino experiments. |
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ISSN: | 0031-9007 |